Update Harfbuzz to version 6.0.0

Note: This requires an update to the tst_qtextlayout test, because
the test assumed that the Arabic string would always yield a run
of two glyphs. This was a side effect of how Harfbuzz handled
Qt's test font, which has zero font tables and cannot be used for
shaping. With the Harfbuzz update, the Arabic text here yields a
single cluster instead, which actually makes more sense, so the
test has been made a bit more robust to support both cases.

Pick-to: 6.2 6.5
Task-number: QTBUG-110338
Change-Id: I93d4cf8e3046dc93224e144d4c81d86bef4918d1
Reviewed-by: Lars Knoll <lars@knoll.priv.no>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

294 files changed, 33837 insertions, 23055 deletions

diff --git a/src/3rdparty/harfbuzz-ng/CMakeLists.txt b/src/3rdparty/harfbuzz-ng/CMakeLists.txt
index b03ad1279c..709a32f8ba 100644
--- a/src/3rdparty/harfbuzz-ng/CMakeLists.txt
+++ b/src/3rdparty/harfbuzz-ng/CMakeLists.txt
@@ -137,27 +137,32 @@ qt_internal_extend_target(BundledHarfbuzz CONDITION TRUE # special case
         src/hb-ot-post-table.hh
         src/hb-ot-post-table-v2subset.hh
         src/hb-ot-shape.cc src/hb-ot-shape.h src/hb-ot-shape.hh
-        src/hb-ot-shape-complex-arabic.cc src/hb-ot-shape-complex-arabic.hh
-        src/hb-ot-shape-complex-arabic-fallback.hh
-        src/hb-ot-shape-complex-arabic-joining-list.hh
-        src/hb-ot-shape-complex-arabic-table.hh
-        src/hb-ot-shape-complex-default.cc
-        src/hb-ot-shape-complex-hangul.cc
-        src/hb-ot-shape-complex-hebrew.cc
-        src/hb-ot-shape-complex-indic.cc src/hb-ot-shape-complex-indic.hh
-        src/hb-ot-shape-complex-indic-machine.hh
-        src/hb-ot-shape-complex-indic-table.cc
-        src/hb-ot-shape-complex-khmer.cc
-        src/hb-ot-shape-complex-myanmar.cc
-        src/hb-ot-shape-complex-myanmar-machine.hh
-        src/hb-ot-shape-complex-syllabic.cc src/hb-ot-shape-complex-syllabic.hh
-        src/hb-ot-shape-complex-thai.cc
-        src/hb-ot-shape-complex-use.cc
-        src/hb-ot-shape-complex-use-machine.hh
-        src/hb-ot-shape-complex-use-table.hh
-        src/hb-ot-shape-complex-vowel-constraints.cc
         src/hb-ot-shape-fallback.cc src/hb-ot-shape-fallback.hh
         src/hb-ot-shape-normalize.cc src/hb-ot-shape-normalize.hh
+        src/hb-ot-shaper-arabic-fallback.hh
+        src/hb-ot-shaper-arabic-joining-list.hh
+        src/hb-ot-shaper-arabic-pua.hh
+        src/hb-ot-shaper-arabic-table.hh
+        src/hb-ot-shaper-arabic.cc src/hb-ot-shaper-arabic.hh
+        src/hb-ot-shaper-default.cc
+        src/hb-ot-shaper-hangul.cc
+        src/hb-ot-shaper-hebrew.cc
+        src/hb-ot-shaper-indic-machine.hh
+        src/hb-ot-shaper-indic-table.cc
+        src/hb-ot-shaper-indic.cc src/hb-ot-shaper-indic.hh
+        src/hb-ot-shaper-khmer-machine.hh
+        src/hb-ot-shaper-khmer.cc
+        src/hb-ot-shaper-myanmar-machine.hh
+        src/hb-ot-shaper-myanmar.cc
+        src/hb-ot-shaper-syllabic.cc src/hb-ot-shaper-syllabic.hh
+        src/hb-ot-shaper-thai.cc
+        src/hb-ot-shaper-use-machine.hh
+        src/hb-ot-shaper-use-table.hh
+        src/hb-ot-shaper-use.cc
+        src/hb-ot-shaper-vowel-constraints.cc
+        src/hb-ot-shaper-vowel-constraints.hh
+        src/hb-ot-shaper.hh
+        src/hb-subset-accelerator.hh
         src/hb-ot-tag.cc
         src/hb-ot-var.cc src/hb-ot-var.h
         src/hb-ot-var-common.hh
diff --git a/src/3rdparty/harfbuzz-ng/NEWS b/src/3rdparty/harfbuzz-ng/NEWS
index 0559840cf3..73dcef083a 100644
--- a/src/3rdparty/harfbuzz-ng/NEWS
+++ b/src/3rdparty/harfbuzz-ng/NEWS
@@ -1,3 +1,233 @@
+Overview of changes leading to 6.0.0
+Friday, December 16, 2022
+====================================
+- A new API have been added to pre-process the face and speed up future
+  subsetting operations on that face. Provides up to a 95% reduction in
+  subsetting times when the same face is subset more than once.
+
+  For more details and benchmarks, see:
+  https://github.com/harfbuzz/harfbuzz/blob/main/docs/subset-preprocessing.md
+
+  (Garret Rieger, Behdad Esfahbod)
+
+- Shaping have been speedup by skipping entire lookups when the buffer contents
+  don't intersect with the lookup. Shows up to a 10% speedup in shaping some
+  fonts. (Behdad Esfahbod)
+
+- A new experimental feature, “Variable Composites” (enabled by passing
+  -Dexperimental_api=true to meson), is also featured in this release.
+  This technology enables drastic compression of fonts in the Chinese,
+  Japanese, Korean, and other writing systems, by reusing the OpenType Font
+  Variations technology for encoding “smart components” into the font.
+
+  The specification for these  extensions to the font format can be found in:
+  https://github.com/harfbuzz/boring-expansion-spec/blob/glyf1/glyf1.md
+
+  A test variable-font with ~7160 Hangul syllables derived from the
+  NotoSerifKR-VF font has been built, with existing OpenType technology, as
+  well as with the new Variable Composites (VarComposites) technology. The
+  VarComposites font is over 90% smaller than the OpenType version of the font!
+  Both fonts can be obtained from the “smarties” repository:
+  https://github.com/behdad/smarties/tree/3.0/fonts/hangul/serif
+
+  When building HarfBuzz with experimental features enabled, you can test
+  the “smarties” font with a sample character like this:
+
+  $ hb-view butchered-hangul-serif-smarties-variable.ttf -u AE01 --variations=wght=700
+
+  (Behdad Esfahbod)
+
+- The HarfBuzz subsetter can now drop axes by pinning them to specific values
+  (also referred to as instancing). There are a couple of restrictions
+  currently:
+
+  - Only works with TrueType (“glyf”) based fonts. “CFF2” fonts are not yet
+    supported.
+  - Only supports the case where all axes in a font are pinned.
+
+  (Garret Rieger, Qunxin Liu)
+
+- Miscellaneous fixes and improvements.
+
+  (Behdad Esfahbod, Christoph Reiter, David Corbett, Eli Schwartz, Garret
+   Rieger, Joel Auterson, Jordan Petridis, Khaled Hosny, Lorenz Wildberg,
+   Marco Rebhan, Martin Storsjö, Matthias Clasen, Qunxin Liu, Satadru Pramanik)
+
+
+- New API
++hb_subset_input_pin_axis_location()
++hb_subset_input_pin_axis_to_default()
++hb_subset_preprocess()
+
+
+Overview of changes leading to 5.3.1
+Wednesday, October 19, 2022
+====================================
+- Subsetter repacker fixes. (Garret Rieger)
+- Adjust Grapheme clusters for Katakana voiced sound marks. (Behdad Esfahbod)
+- New “hb-subset” option “--preprocess-face”. (Garret Rieger)
+
+
+Overview of changes leading to 5.3.0
+Saturday, October 8, 2022
+"Women, Life, Freedom" #MahsaAmini
+====================================
+- Don’t add glyphs from dropped MATH or COLR tables to the subset glyphs.
+  (Khaled Hosny)
+- Map “rlig” to appropriate AAT feature selectors. (Jonathan Kew)
+- Update USE data files to latest version. (David Corbett)
+- Check “CBDT” extents first before outline tables, to help with fonts that
+  also include an empty “glyf” table. (Khaled Hosny)
+- More work towards variable font instancing in the subsetter. (Qunxin Liu)
+- Subsetter repacker improvements. (Garret Rieger)
+- New API:
++hb_ot_layout_lookup_get_optical_bound()
++hb_face_builder_sort_tables()
+
+
+Overview of changes leading to 5.2.0
+Saturday, September 17, 2022
+====================================
+- Fix regressions in hb-ft font functions for FT_Face’s with transformation
+  matrix. (Behdad Esfahbod)
+- The experimental hb-repacker API now supports splitting several GPOS subtable
+  types when needed. (Garret Rieger)
+- The HarfBuzz extensions to OpenType font format are now opt-in behind
+  build-time flags. (Behdad Esfahbod)
+- The experimental hb-subset variable fonts instantiation API can now
+  instantiate more font tables and arbitrary axis locations. (Qunxin Liu)
+- Unicode 15 support. (David Corbett)
+- Various documentation improvements. (Behdad Esfahbod, Matthias Clasen)
+- The hb-view command line tool now detects WezTerm inline images support.
+  (Wez Furlong)
+- Fix FreeType and ICU dependency lookup with meson. (Xavier Claessens)
+
+- New API:
++HB_SCRIPT_KAWI
++HB_SCRIPT_NAG_MUNDARI
+
+
+Overview of changes leading to 5.1.0
+Sunday, July 31, 2022
+====================================
+- More extensive buffer tracing messages. (Behdad Esfahbod)
+- Fix hb-ft regression in bitmap fonts rendering. (Behdad Esfahbod)
+- Support extension promotion of lookups in hb-subset-repacker. (Garret Rieger)
+- A new HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL for scripts that use elongation
+  (e.g. Arabic) to signify where it is safe to insert tatweel glyph without
+  interrupting shaping. (Behdad Esfahbod)
+- Add “--safe-to-insert-tatweel” to “hb-shape” tool. (Behdad Esfahbod)
+
+- New API
++HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL
++HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL
+
+
+Overview of changes leading to 5.0.1
+Saturday, July 23, 2022
+====================================
+- Fix version 2 “avar” table with hb-ft. (Behdad Esfahbod)
+
+
+Overview of changes leading to 5.0.0
+Saturday, July 23, 2022
+====================================
+- Support fonts with more than 65535 glyphs in “GDEF”, “GSUB”, and “GPOS”
+  tables. This is part of https://github.com/be-fonts/boring-expansion-spec to
+  extend OpenType in a backward-compatible way.
+  (Behdad Esfahbod, Garret Rieger)
+- Complete support for more than 65535 glyphs in “glyf” table that started in
+  4.0.0 release. Part of boring-expansion-spec. (Behdad Esfahbod)
+- Support version 2 of “avar” table. Part of boring-expansion-spec.
+  (Behdad Esfahbod)
+- Fix mark attachment on multiple substitutions in some cases.
+  (Behdad Esfahbod)
+- Fix application of “calt”, “rclt”, and “ccmp” features to better match
+  Uniscribe behaviour with some Arabic fonts. (Behdad Esfahbod)
+- Improvement to interaction between multiple cursive attachments.
+  (Behdad Esfahbod)
+- Improve multiple mark interactions in Hebrew. (Behdad Esfahbod)
+- Implement language-specific forms in AAT shaping. (Behdad Esfahbod)
+- Fix variation of “VORG” table. (Behdad Esfahbod)
+- Support for specific script tags to be retained in the subsetter, and add
+  “--layout-scripts” option to “hb-subset” tool. (Garret Rieger)
+- Accept space as delimiter for --features/--variations in command line tools.
+- Improve subsetting of “COLR” table. (Qunxin Liu)
+- Improved fuzzing coverage for ot-math API. (Frédéric Wang)
+- Fix “kern” table version 2 (AAT) sanitization on 32-bit systems.
+  (Behdad Esfahbod)
+- Allow negative glyph advances from “graphite2” shaper. (Stephan Bergmann)
+- Implement loading (color) bitmap fonts with hb-ft. (Behdad Esfahbod)
+- Fix regression in hb-ft when changing font size. (Behdad Esfahbod)
+- Fix build on GCC < 7. (Kleis Auke Wolthuizen)
+- Dynamically load dwrite.dll on windows if “directwrite” shaper is enabled.
+  (Luca Bacci)
+- Provide a single-file harfbuzz-subset.cc file for easier alternate building
+  of hb-subset library, similar to harfbuzz.cc. (Khaled Hosny)
+
+- New API
++HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG
++hb_language_matches()
+
+
+Overview of changes leading to 4.4.1
+Wednesday, June 29, 2022
+====================================
+- Fix test failure with some compilers.
+- Fix Telugu and Kannada kerning regression.
+
+
+Overview of changes leading to 4.4.0
+Monday, June 27, 2022
+====================================
+- Caching of variable fonts shaping, in particular when using HarfBuzz’s own
+  font loading functions (ot). Bringing performance of variable shaping in par
+  with non-variable fonts shaping. (Behdad Esfahbod)
+- Caching of format 2 “Contextual Substitution” and “Chained Contexts
+  Substitution” lookups. Resulting in up to 20% speedup of lookup-heavy fonts
+  like Gulzar or Noto Nastaliq Urdu. (Behdad Esfahbod)
+- Improved ANSI output from hb-view. (Behdad Esfahbod)
+- Support for shaping legacy, pre-OpenType Windows 3.1-era, Arabic fonts that
+  relied on a fixed PUA encoding. (Khaled Hosny, Behdad Esfahbod)
+- Sinhala script is now shaped by the USE shaper instead of “indic” one.
+  (Behdad Esfahbod, David Corbett)
+- Thai shaper improvements. (David Corbett)
+- hb-ot-name API supports approximate BCP-47 language matching, for example
+  asking for “en_US” in a font that has only “en” names will return them.
+  (Behdad Esfahbod)
+- Optimized TrueType glyph shape loading. (Behdad Esfahbod)
+- Fix subsetting of HarfBuzz faces created via hb_face_create_for_tables().
+  (Garret Rieger)
+- Add 32 bit var store support to the subsetter. (Garret Rieger)
+
+- New API
++HB_BUFFER_FLAG_DEFINED
++HB_BUFFER_SERIALIZE_FLAG_DEFINED
++hb_font_changed()
++hb_font_get_serial()
++hb_ft_hb_font_changed()
++hb_set_hash()
++hb_map_copy()
++hb_map_hash()
+
+
+Overview of changes leading to 4.3.0
+Friday, May 20, 2022
+====================================
+- Major speed up in loading and subsetting fonts, especially in
+  handling CFF table. Subsetting some fonts is now 3 times faster.
+  (Behdad Esfahbod, Garret Rieger)
+- Speed up blending CFF2 table. (Behdad Esfahbod)
+- Speed up hb_ot_tags_from_language(). (Behdad Esfahbod, David Corbett)
+- Fix USE classification of U+10A38 to fix multiple marks on single Kharoshthi
+  base. (David Corbett)
+- Fix parsing of empty CFF Index. (Behdad Esfahbod)
+- Fix subsetting CPAL table with partial palette overlaps. (Garret Rieger)
+
+- New API
++hb_map_is_equal() (Behdad Esfahbod)
+
+
 Overview of changes leading to 4.2.1
 Sunday, April 24, 2022
 ====================================
diff --git a/src/3rdparty/harfbuzz-ng/README.md b/src/3rdparty/harfbuzz-ng/README.md
index fc12c65568..4202961e04 100644
--- a/src/3rdparty/harfbuzz-ng/README.md
+++ b/src/3rdparty/harfbuzz-ng/README.md
@@ -6,7 +6,12 @@
 [![Codecov Code Coverage](https://codecov.io/gh/harfbuzz/harfbuzz/branch/main/graph/badge.svg)](https://codecov.io/gh/harfbuzz/harfbuzz)
 [![Packaging status](https://repology.org/badge/tiny-repos/harfbuzz.svg)](https://repology.org/project/harfbuzz/versions)
 
-This is HarfBuzz, a text shaping library.
+# HarfBuzz
+
+HarfBuzz is a text shaping engine. It primarily supports [OpenType][1], but also
+[Apple Advanced Typography][2]. HarfBuzz is used in Android, Chrome,
+ChromeOS, Firefox, GNOME, GTK+, KDE, LibreOffice, OpenJDK, PlayStation, Qt,
+XeTeX, and other places.
 
 For bug reports, mailing list, and other information please visit:
 
@@ -14,14 +19,66 @@ For bug reports, mailing list, and other information please visit:
 
 For license information, see [COPYING](COPYING).
 
+## Documentation
+
+For user manual as well as API documentation, check: https://harfbuzz.github.io
+
+## Download
+
+For tarball releases of HarfBuzz, look [here][3]. At the same place you
+will also find Win32/Win64 binary bundles that include libharfbuzz DLL,
+hb-view.exe, hb-shape.exe, and all dependencies.
+
+The canonical source tree is available on [github][4].
+
+The API that comes with `hb.h` will not change incompatibly. Other, peripheral,
+headers are more likely to go through minor modifications, but again, we do our
+best to never change API in an incompatible way. We will never break the ABI.
+
+If you are not sure whether Pango or HarfBuzz is right for you, read [Pango vs
+HarfBuzz][5].
+
+## Development
+
 For build information, see [BUILD.md](BUILD.md).
 
 For custom configurations, see [CONFIG.md](CONFIG.md).
 
-For test execution, see [TESTING.md](TESTING.md).
+For testing and profiling, see [TESTING.md](TESTING.md).
 
-Documentation: https://harfbuzz.github.io
+To get a better idea of where HarfBuzz stands in the text rendering stack you
+may want to read [State of Text Rendering][6], though, that document is many
+years old. Here are a few presentation slides about HarfBuzz at the
+Internationalization and Unicode Conference over the years:
 
+*   November 2014, [Unicode, OpenType, and HarfBuzz: Closing the Circle][7],
+*   October 2012, [HarfBuzz, The Free and Open Text Shaping Engine][8],
+*   October 2009, [HarfBuzz: the Free and Open Shaping Engine][9].
+
+Both development and user support discussion around HarfBuzz happens on the
+[github][4].
+
+To report bugs or submit patches please use [github][4] issues and
+pull-requests.
+
+For a comparison of old vs new HarfBuzz memory consumption see [this][10].
+
+<!--See past and upcoming [HarfBuzz Hackfests](https://freedesktop.org/wiki/Software/HarfBuzz/Hackfests/)!-->
+
+## Name
+
+HarfBuzz (حرف‌باز) is my Persian translation of “[OpenType][1]”,
+transliterated using the Latin script. It sports a second meaning, but that
+ain’t translatable.
+
+> Background: Originally there was this font format called TrueType. People and
+> companies started calling their type engines all things ending in Type:
+> FreeType, CoolType, ClearType, etc. And then came OpenType, which is the
+> successor of TrueType. So, for my OpenType implementation, I decided to stick
+> with the concept but use the Persian translation. Which is fitting given that
+> Persian is written in the Arabic script, and OpenType is an extension of
+> TrueType that adds support for complex script rendering, and HarfBuzz is an
+> implementation of OpenType complex text shaping.
 
 <details>
   <summary>Packaging status of HarfBuzz</summary>
@@ -29,3 +86,14 @@ Documentation: https://harfbuzz.github.io
 [![Packaging status](https://repology.org/badge/vertical-allrepos/harfbuzz.svg?header=harfbuzz)](https://repology.org/project/harfbuzz/versions)
 
 </details>
+
+[1]: https://docs.microsoft.com/en-us/typography/opentype/spec/
+[2]: https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6AATIntro.html
+[3]: https://github.com/harfbuzz/harfbuzz/releases
+[4]: https://github.com/harfbuzz/harfbuzz
+[5]: http://mces.blogspot.com/2009/11/pango-vs-harfbuzz.html
+[6]: http://behdad.org/text/
+[7]: https://goo.gl/FSIQuC
+[8]: https://goo.gl/2wSRu
+[9]: http://behdad.org/download/Presentations/slippy/harfbuzz_slides.pdf
+[10]: https://goo.gl/woyty
diff --git a/src/3rdparty/harfbuzz-ng/import_from_tarball.sh b/src/3rdparty/harfbuzz-ng/import_from_tarball.sh
index 7bcaf22cdc..627cc51b28 100644
--- a/src/3rdparty/harfbuzz-ng/import_from_tarball.sh
+++ b/src/3rdparty/harfbuzz-ng/import_from_tarball.sh
@@ -90,16 +90,4 @@ for i in ${FILES[*]}; do
     copy_file_or_dir "$i"
 done
 
-CODEFILES=($HB_DIR/src/*.cc
-           $HB_DIR/src/*.hh
-           $HB_DIR/src/*.h)
-
-for i in ${CODEFILES[*]}; do
-    cp $i $TARGET_DIR/src/
-done
-
-GSUBFILES=($HB_DIR/src/OT/Layout/GSUB/*.hh)
-
-for i in ${GSUBFILES[*]}; do
-    cp $i $TARGET_DIR/src/OT/Layout/GSUB/
-done
+cp -R $HB_DIR/src $TARGET_DIR
diff --git a/src/3rdparty/harfbuzz-ng/qt_attribution.json b/src/3rdparty/harfbuzz-ng/qt_attribution.json
index d5e2bccfa0..4aefc44203 100644
--- a/src/3rdparty/harfbuzz-ng/qt_attribution.json
+++ b/src/3rdparty/harfbuzz-ng/qt_attribution.json
@@ -6,7 +6,7 @@
 
     "Description": "HarfBuzz is an OpenType text shaping engine.",
     "Homepage": "http://harfbuzz.org",
-    "Version": "4.2.1",
+    "Version": "6.0.0",
 
     "License": "MIT License",
     "LicenseId": "MIT",
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh
new file mode 100644
index 0000000000..fbd7c642ab
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh
@@ -0,0 +1,336 @@
+/*
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2010,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Garret Rieger
+ */
+
+#ifndef OT_LAYOUT_COMMON_COVERAGE_HH
+#define OT_LAYOUT_COMMON_COVERAGE_HH
+
+#include "../types.hh"
+#include "CoverageFormat1.hh"
+#include "CoverageFormat2.hh"
+
+namespace OT {
+namespace Layout {
+namespace Common {
+
+template<typename Iterator>
+static inline void Coverage_serialize (hb_serialize_context_t *c,
+                                       Iterator it);
+
+struct Coverage
+{
+
+  protected:
+  union {
+  HBUINT16                      format;         /* Format identifier */
+  CoverageFormat1_3<SmallTypes> format1;
+  CoverageFormat2_4<SmallTypes> format2;
+#ifndef HB_NO_BEYOND_64K
+  CoverageFormat1_3<MediumTypes>format3;
+  CoverageFormat2_4<MediumTypes>format4;
+#endif
+  } u;
+  public:
+  DEFINE_SIZE_UNION (2, format);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.format.sanitize (c)) return_trace (false);
+    switch (u.format)
+    {
+    case 1: return_trace (u.format1.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.sanitize (c));
+    case 4: return_trace (u.format4.sanitize (c));
+#endif
+    default:return_trace (true);
+    }
+  }
+
+  /* Has interface. */
+  unsigned operator [] (hb_codepoint_t k) const { return get (k); }
+  bool has (hb_codepoint_t k) const { return (*this)[k] != NOT_COVERED; }
+  /* Predicate. */
+  bool operator () (hb_codepoint_t k) const { return has (k); }
+
+  unsigned int get (hb_codepoint_t k) const { return get_coverage (k); }
+  unsigned int get_coverage (hb_codepoint_t glyph_id) const
+  {
+    switch (u.format) {
+    case 1: return u.format1.get_coverage (glyph_id);
+    case 2: return u.format2.get_coverage (glyph_id);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.get_coverage (glyph_id);
+    case 4: return u.format4.get_coverage (glyph_id);
+#endif
+    default:return NOT_COVERED;
+    }
+  }
+
+  unsigned get_population () const
+  {
+    switch (u.format) {
+    case 1: return u.format1.get_population ();
+    case 2: return u.format2.get_population ();
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.get_population ();
+    case 4: return u.format4.get_population ();
+#endif
+    default:return NOT_COVERED;
+    }
+  }
+
+  template <typename Iterator,
+      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
+  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
+  {
+    TRACE_SERIALIZE (this);
+    if (unlikely (!c->extend_min (this))) return_trace (false);
+
+    unsigned count = 0;
+    unsigned num_ranges = 0;
+    hb_codepoint_t last = (hb_codepoint_t) -2;
+    for (auto g: glyphs)
+    {
+      if (last + 1 != g)
+        num_ranges++;
+      last = g;
+      count++;
+    }
+    u.format = count <= num_ranges * 3 ? 1 : 2;
+
+#ifndef HB_NO_BEYOND_64K
+    if (count && last > 0xFFFFu)
+      u.format += 2;
+#endif
+
+    switch (u.format)
+    {
+    case 1: return_trace (u.format1.serialize (c, glyphs));
+    case 2: return_trace (u.format2.serialize (c, glyphs));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.serialize (c, glyphs));
+    case 4: return_trace (u.format4.serialize (c, glyphs));
+#endif
+    default:return_trace (false);
+    }
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    auto it =
+    + iter ()
+    | hb_filter (c->plan->glyph_map_gsub)
+    | hb_map_retains_sorting (c->plan->glyph_map_gsub)
+    ;
+
+    // Cache the iterator result as it will be iterated multiple times
+    // by the serialize code below.
+    hb_sorted_vector_t<hb_codepoint_t> glyphs (it);
+    Coverage_serialize (c->serializer, glyphs.iter ());
+    return_trace (bool (glyphs));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    switch (u.format)
+    {
+    case 1: return u.format1.intersects (glyphs);
+    case 2: return u.format2.intersects (glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersects (glyphs);
+    case 4: return u.format4.intersects (glyphs);
+#endif
+    default:return false;
+    }
+  }
+  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
+  {
+    switch (u.format)
+    {
+    case 1: return u.format1.intersects_coverage (glyphs, index);
+    case 2: return u.format2.intersects_coverage (glyphs, index);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersects_coverage (glyphs, index);
+    case 4: return u.format4.intersects_coverage (glyphs, index);
+#endif
+    default:return false;
+    }
+  }
+
+  /* Might return false if array looks unsorted.
+   * Used for faster rejection of corrupt data. */
+  template <typename set_t>
+  bool collect_coverage (set_t *glyphs) const
+  {
+    switch (u.format)
+    {
+    case 1: return u.format1.collect_coverage (glyphs);
+    case 2: return u.format2.collect_coverage (glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.collect_coverage (glyphs);
+    case 4: return u.format4.collect_coverage (glyphs);
+#endif
+    default:return false;
+    }
+  }
+
+  template <typename IterableOut,
+	    hb_requires (hb_is_sink_of (IterableOut, hb_codepoint_t))>
+  void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const
+  {
+    switch (u.format)
+    {
+    case 1: return u.format1.intersect_set (glyphs, intersect_glyphs);
+    case 2: return u.format2.intersect_set (glyphs, intersect_glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersect_set (glyphs, intersect_glyphs);
+    case 4: return u.format4.intersect_set (glyphs, intersect_glyphs);
+#endif
+    default:return ;
+    }
+  }
+
+  struct iter_t : hb_iter_with_fallback_t<iter_t, hb_codepoint_t>
+  {
+    static constexpr bool is_sorted_iterator = true;
+    iter_t (const Coverage &c_ = Null (Coverage))
+    {
+      hb_memset (this, 0, sizeof (*this));
+      format = c_.u.format;
+      switch (format)
+      {
+      case 1: u.format1.init (c_.u.format1); return;
+      case 2: u.format2.init (c_.u.format2); return;
+#ifndef HB_NO_BEYOND_64K
+      case 3: u.format3.init (c_.u.format3); return;
+      case 4: u.format4.init (c_.u.format4); return;
+#endif
+      default:                               return;
+      }
+    }
+    bool __more__ () const
+    {
+      switch (format)
+      {
+      case 1: return u.format1.__more__ ();
+      case 2: return u.format2.__more__ ();
+#ifndef HB_NO_BEYOND_64K
+      case 3: return u.format3.__more__ ();
+      case 4: return u.format4.__more__ ();
+#endif
+      default:return false;
+      }
+    }
+    void __next__ ()
+    {
+      switch (format)
+      {
+      case 1: u.format1.__next__ (); break;
+      case 2: u.format2.__next__ (); break;
+#ifndef HB_NO_BEYOND_64K
+      case 3: u.format3.__next__ (); break;
+      case 4: u.format4.__next__ (); break;
+#endif
+      default:                   break;
+      }
+    }
+    typedef hb_codepoint_t __item_t__;
+    __item_t__ __item__ () const { return get_glyph (); }
+
+    hb_codepoint_t get_glyph () const
+    {
+      switch (format)
+      {
+      case 1: return u.format1.get_glyph ();
+      case 2: return u.format2.get_glyph ();
+#ifndef HB_NO_BEYOND_64K
+      case 3: return u.format3.get_glyph ();
+      case 4: return u.format4.get_glyph ();
+#endif
+      default:return 0;
+      }
+    }
+    bool operator != (const iter_t& o) const
+    {
+      if (unlikely (format != o.format)) return true;
+      switch (format)
+      {
+      case 1: return u.format1 != o.u.format1;
+      case 2: return u.format2 != o.u.format2;
+#ifndef HB_NO_BEYOND_64K
+      case 3: return u.format3 != o.u.format3;
+      case 4: return u.format4 != o.u.format4;
+#endif
+      default:return false;
+      }
+    }
+    iter_t __end__ () const
+    {
+      iter_t it = {};
+      it.format = format;
+      switch (format)
+      {
+      case 1: it.u.format1 = u.format1.__end__ (); break;
+      case 2: it.u.format2 = u.format2.__end__ (); break;
+#ifndef HB_NO_BEYOND_64K
+      case 3: it.u.format3 = u.format3.__end__ (); break;
+      case 4: it.u.format4 = u.format4.__end__ (); break;
+#endif
+      default: break;
+      }
+      return it;
+    }
+
+    private:
+    unsigned int format;
+    union {
+#ifndef HB_NO_BEYOND_64K
+    CoverageFormat2_4<MediumTypes>::iter_t      format4; /* Put this one first since it's larger; helps shut up compiler. */
+    CoverageFormat1_3<MediumTypes>::iter_t      format3;
+#endif
+    CoverageFormat2_4<SmallTypes>::iter_t       format2; /* Put this one first since it's larger; helps shut up compiler. */
+    CoverageFormat1_3<SmallTypes>::iter_t       format1;
+    } u;
+  };
+  iter_t iter () const { return iter_t (*this); }
+};
+
+template<typename Iterator>
+static inline void
+Coverage_serialize (hb_serialize_context_t *c,
+                    Iterator it)
+{ c->start_embed<Coverage> ()->serialize (c, it); }
+
+}
+}
+}
+
+#endif  // #ifndef OT_LAYOUT_COMMON_COVERAGE_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh
new file mode 100644
index 0000000000..5d68e3d15e
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh
@@ -0,0 +1,133 @@
+/*
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2010,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Garret Rieger
+ */
+
+
+#ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH
+#define OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH
+
+namespace OT {
+namespace Layout {
+namespace Common {
+
+#define NOT_COVERED             ((unsigned int) -1)
+
+template <typename Types>
+struct CoverageFormat1_3
+{
+  friend struct Coverage;
+
+  protected:
+  HBUINT16      coverageFormat; /* Format identifier--format = 1 */
+  SortedArray16Of<typename Types::HBGlyphID>
+                glyphArray;     /* Array of GlyphIDs--in numerical order */
+  public:
+  DEFINE_SIZE_ARRAY (4, glyphArray);
+
+  private:
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (glyphArray.sanitize (c));
+  }
+
+  unsigned int get_coverage (hb_codepoint_t glyph_id) const
+  {
+    unsigned int i;
+    glyphArray.bfind (glyph_id, &i, HB_NOT_FOUND_STORE, NOT_COVERED);
+    return i;
+  }
+
+  unsigned get_population () const
+  {
+    return glyphArray.len;
+  }
+
+  template <typename Iterator,
+      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
+  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
+  {
+    TRACE_SERIALIZE (this);
+    return_trace (glyphArray.serialize (c, glyphs));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len) / 2)
+    {
+      for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
+        if (get_coverage (g) != NOT_COVERED)
+	  return true;
+      return false;
+    }
+
+    for (const auto& g : glyphArray.as_array ())
+      if (glyphs->has (g))
+        return true;
+    return false;
+  }
+  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
+  { return glyphs->has (glyphArray[index]); }
+
+  template <typename IterableOut,
+	    hb_requires (hb_is_sink_of (IterableOut, hb_codepoint_t))>
+  void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const
+  {
+    unsigned count = glyphArray.len;
+    for (unsigned i = 0; i < count; i++)
+      if (glyphs.has (glyphArray[i]))
+        intersect_glyphs << glyphArray[i];
+  }
+
+  template <typename set_t>
+  bool collect_coverage (set_t *glyphs) const
+  { return glyphs->add_sorted_array (glyphArray.as_array ()); }
+
+  public:
+  /* Older compilers need this to be public. */
+  struct iter_t
+  {
+    void init (const struct CoverageFormat1_3 &c_) { c = &c_; i = 0; }
+    bool __more__ () const { return i < c->glyphArray.len; }
+    void __next__ () { i++; }
+    hb_codepoint_t get_glyph () const { return c->glyphArray[i]; }
+    bool operator != (const iter_t& o) const
+    { return i != o.i; }
+    iter_t __end__ () const { iter_t it; it.init (*c); it.i = c->glyphArray.len; return it; }
+
+    private:
+    const struct CoverageFormat1_3 *c;
+    unsigned int i;
+  };
+  private:
+};
+
+}
+}
+}
+
+#endif  // #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh
new file mode 100644
index 0000000000..d7fcc35202
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh
@@ -0,0 +1,232 @@
+/*
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2010,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Garret Rieger
+ */
+
+#ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH
+#define OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH
+
+#include "RangeRecord.hh"
+
+namespace OT {
+namespace Layout {
+namespace Common {
+
+template <typename Types>
+struct CoverageFormat2_4
+{
+  friend struct Coverage;
+
+  protected:
+  HBUINT16      coverageFormat; /* Format identifier--format = 2 */
+  SortedArray16Of<RangeRecord<Types>>
+                rangeRecord;    /* Array of glyph ranges--ordered by
+                                 * Start GlyphID. rangeCount entries
+                                 * long */
+  public:
+  DEFINE_SIZE_ARRAY (4, rangeRecord);
+
+  private:
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (rangeRecord.sanitize (c));
+  }
+
+  unsigned int get_coverage (hb_codepoint_t glyph_id) const
+  {
+    const RangeRecord<Types> &range = rangeRecord.bsearch (glyph_id);
+    return likely (range.first <= range.last)
+         ? (unsigned int) range.value + (glyph_id - range.first)
+         : NOT_COVERED;
+  }
+
+  unsigned get_population () const
+  {
+    typename Types::large_int ret = 0;
+    for (const auto &r : rangeRecord)
+      ret += r.get_population ();
+    return ret > UINT_MAX ? UINT_MAX : (unsigned) ret;
+  }
+
+  template <typename Iterator,
+      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
+  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
+  {
+    TRACE_SERIALIZE (this);
+    if (unlikely (!c->extend_min (this))) return_trace (false);
+
+    unsigned num_ranges = 0;
+    hb_codepoint_t last = (hb_codepoint_t) -2;
+    for (auto g: glyphs)
+    {
+      if (last + 1 != g)
+        num_ranges++;
+      last = g;
+    }
+
+    if (unlikely (!rangeRecord.serialize (c, num_ranges))) return_trace (false);
+    if (!num_ranges) return_trace (true);
+
+    unsigned count = 0;
+    unsigned range = (unsigned) -1;
+    last = (hb_codepoint_t) -2;
+    for (auto g: glyphs)
+    {
+      if (last + 1 != g)
+      {
+        range++;
+        rangeRecord[range].first = g;
+        rangeRecord[range].value = count;
+      }
+      rangeRecord[range].last = g;
+      last = g;
+      count++;
+    }
+
+    return_trace (true);
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
+    {
+      for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
+        if (get_coverage (g) != NOT_COVERED)
+	  return true;
+      return false;
+    }
+
+    return hb_any (+ hb_iter (rangeRecord)
+                   | hb_map ([glyphs] (const RangeRecord<Types> &range) { return range.intersects (*glyphs); }));
+  }
+  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
+  {
+    auto *range = rangeRecord.as_array ().bsearch (index);
+    if (range)
+      return range->intersects (*glyphs);
+    return false;
+  }
+
+  template <typename IterableOut,
+	    hb_requires (hb_is_sink_of (IterableOut, hb_codepoint_t))>
+  void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const
+  {
+    /* Break out of loop for overlapping, broken, tables,
+     * to avoid fuzzer timouts. */
+    hb_codepoint_t last = 0;
+    for (const auto& range : rangeRecord)
+    {
+      if (unlikely (range.first < last))
+        break;
+      last = range.last;
+      for (hb_codepoint_t g = range.first - 1;
+	   glyphs.next (&g) && g <= last;)
+	intersect_glyphs << g;
+    }
+  }
+
+  template <typename set_t>
+  bool collect_coverage (set_t *glyphs) const
+  {
+    for (const auto& range: rangeRecord)
+      if (unlikely (!range.collect_coverage (glyphs)))
+        return false;
+    return true;
+  }
+
+  public:
+  /* Older compilers need this to be public. */
+  struct iter_t
+  {
+    void init (const CoverageFormat2_4 &c_)
+    {
+      c = &c_;
+      coverage = 0;
+      i = 0;
+      j = c->rangeRecord.len ? c->rangeRecord[0].first : 0;
+      if (unlikely (c->rangeRecord[0].first > c->rangeRecord[0].last))
+      {
+        /* Broken table. Skip. */
+        i = c->rangeRecord.len;
+        j = 0;
+      }
+    }
+    bool __more__ () const { return i < c->rangeRecord.len; }
+    void __next__ ()
+    {
+      if (j >= c->rangeRecord[i].last)
+      {
+        i++;
+        if (__more__ ())
+        {
+          unsigned int old = coverage;
+          j = c->rangeRecord[i].first;
+          coverage = c->rangeRecord[i].value;
+          if (unlikely (coverage != old + 1))
+          {
+            /* Broken table. Skip. Important to avoid DoS.
+             * Also, our callers depend on coverage being
+             * consecutive and monotonically increasing,
+             * ie. iota(). */
+           i = c->rangeRecord.len;
+           j = 0;
+           return;
+          }
+        }
+        else
+          j = 0;
+        return;
+      }
+      coverage++;
+      j++;
+    }
+    hb_codepoint_t get_glyph () const { return j; }
+    bool operator != (const iter_t& o) const
+    { return i != o.i || j != o.j; }
+    iter_t __end__ () const
+    {
+      iter_t it;
+      it.init (*c);
+      it.i = c->rangeRecord.len;
+      it.j = 0;
+      return it;
+    }
+
+    private:
+    const struct CoverageFormat2_4 *c;
+    unsigned int i, coverage;
+    hb_codepoint_t j;
+  };
+  private:
+};
+
+}
+}
+}
+
+#endif  // #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh
new file mode 100644
index 0000000000..a62629fad3
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh
@@ -0,0 +1,85 @@
+/*
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2010,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Garret Rieger
+ */
+
+#ifndef OT_LAYOUT_COMMON_RANGERECORD_HH
+#define OT_LAYOUT_COMMON_RANGERECORD_HH
+
+namespace OT {
+namespace Layout {
+namespace Common {
+
+template <typename Types>
+struct RangeRecord
+{
+  typename Types::HBGlyphID     first;          /* First GlyphID in the range */
+  typename Types::HBGlyphID     last;           /* Last GlyphID in the range */
+  HBUINT16                      value;          /* Value */
+
+  DEFINE_SIZE_STATIC (2 + 2 * Types::size);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  int cmp (hb_codepoint_t g) const
+  { return g < first ? -1 : g <= last ? 0 : +1; }
+
+  unsigned get_population () const
+  {
+    if (unlikely (last < first)) return 0;
+    return (last - first + 1);
+  }
+
+  bool intersects (const hb_set_t &glyphs) const
+  { return glyphs.intersects (first, last); }
+
+  template <typename set_t>
+  bool collect_coverage (set_t *glyphs) const
+  { return glyphs->add_range (first, last); }
+};
+
+}
+}
+}
+
+// TODO(garretrieger): This was previously implemented using
+//    DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1 (OT, RangeRecord, 9);
+//    but that only works when there is only a single namespace level.
+//    The macro should probably be fixed so it can work in this situation.
+extern HB_INTERNAL const unsigned char _hb_Null_OT_RangeRecord[9];
+template <typename Spec>
+struct Null<OT::Layout::Common::RangeRecord<Spec>> {
+  static OT::Layout::Common::RangeRecord<Spec> const & get_null () {
+    return *reinterpret_cast<const OT::Layout::Common::RangeRecord<Spec> *> (_hb_Null_OT_RangeRecord);
+  }
+};
+
+
+#endif  // #ifndef OT_LAYOUT_COMMON_RANGERECORD_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh
new file mode 100644
index 0000000000..49e76e7750
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh
@@ -0,0 +1,83 @@
+#ifndef OT_LAYOUT_GPOS_ANCHOR_HH
+#define OT_LAYOUT_GPOS_ANCHOR_HH
+
+#include "AnchorFormat1.hh"
+#include "AnchorFormat2.hh"
+#include "AnchorFormat3.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct Anchor
+{
+  protected:
+  union {
+  HBUINT16              format;         /* Format identifier */
+  AnchorFormat1         format1;
+  AnchorFormat2         format2;
+  AnchorFormat3         format3;
+  } u;
+  public:
+  DEFINE_SIZE_UNION (2, format);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!u.format.sanitize (c)) return_trace (false);
+    switch (u.format) {
+    case 1: return_trace (u.format1.sanitize (c));
+    case 2: return_trace (u.format2.sanitize (c));
+    case 3: return_trace (u.format3.sanitize (c));
+    default:return_trace (true);
+    }
+  }
+
+  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
+                   float *x, float *y) const
+  {
+    *x = *y = 0;
+    switch (u.format) {
+    case 1: u.format1.get_anchor (c, glyph_id, x, y); return;
+    case 2: u.format2.get_anchor (c, glyph_id, x, y); return;
+    case 3: u.format3.get_anchor (c, glyph_id, x, y); return;
+    default:                                          return;
+    }
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    switch (u.format) {
+    case 1: return_trace (bool (reinterpret_cast<Anchor *> (u.format1.copy (c->serializer))));
+    case 2:
+      if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+      {
+        // AnchorFormat 2 just containins extra hinting information, so
+        // if hints are being dropped convert to format 1.
+        return_trace (bool (reinterpret_cast<Anchor *> (u.format1.copy (c->serializer))));
+      }
+      return_trace (bool (reinterpret_cast<Anchor *> (u.format2.copy (c->serializer))));
+    case 3: return_trace (u.format3.subset (c));
+    default:return_trace (false);
+    }
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    switch (u.format) {
+    case 1: case 2:
+      return;
+    case 3:
+      u.format3.collect_variation_indices (c);
+      return;
+    default: return;
+    }
+  }
+};
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_ANCHOR_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh
new file mode 100644
index 0000000000..738cc31bbf
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh
@@ -0,0 +1,46 @@
+#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT1_HH
+#define OT_LAYOUT_GPOS_ANCHORFORMAT1_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct AnchorFormat1
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  FWORD         xCoordinate;            /* Horizontal value--in design units */
+  FWORD         yCoordinate;            /* Vertical value--in design units */
+  public:
+  DEFINE_SIZE_STATIC (6);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
+                   float *x, float *y) const
+  {
+    hb_font_t *font = c->font;
+    *x = font->em_fscale_x (xCoordinate);
+    *y = font->em_fscale_y (yCoordinate);
+  }
+
+  AnchorFormat1* copy (hb_serialize_context_t *c) const
+  {
+    TRACE_SERIALIZE (this);
+    AnchorFormat1* out = c->embed<AnchorFormat1> (this);
+    if (!out) return_trace (out);
+    out->format = 1;
+    return_trace (out);
+  }
+};
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_ANCHORFORMAT1_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh
new file mode 100644
index 0000000000..70b4d19f53
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh
@@ -0,0 +1,58 @@
+#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT2_HH
+#define OT_LAYOUT_GPOS_ANCHORFORMAT2_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct AnchorFormat2
+{
+
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 2 */
+  FWORD         xCoordinate;            /* Horizontal value--in design units */
+  FWORD         yCoordinate;            /* Vertical value--in design units */
+  HBUINT16      anchorPoint;            /* Index to glyph contour point */
+  public:
+  DEFINE_SIZE_STATIC (8);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this));
+  }
+
+  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
+                   float *x, float *y) const
+  {
+    hb_font_t *font = c->font;
+
+#ifdef HB_NO_HINTING
+    *x = font->em_fscale_x (xCoordinate);
+    *y = font->em_fscale_y (yCoordinate);
+    return;
+#endif
+
+    unsigned int x_ppem = font->x_ppem;
+    unsigned int y_ppem = font->y_ppem;
+    hb_position_t cx = 0, cy = 0;
+    bool ret;
+
+    ret = (x_ppem || y_ppem) &&
+          font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
+    *x = ret && x_ppem ? cx : font->em_fscale_x (xCoordinate);
+    *y = ret && y_ppem ? cy : font->em_fscale_y (yCoordinate);
+  }
+
+  AnchorFormat2* copy (hb_serialize_context_t *c) const
+  {
+    TRACE_SERIALIZE (this);
+    return_trace (c->embed<AnchorFormat2> (this));
+  }
+};
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_ANCHORFORMAT2_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh
new file mode 100644
index 0000000000..2e30ab33c3
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh
@@ -0,0 +1,100 @@
+#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT3_HH
+#define OT_LAYOUT_GPOS_ANCHORFORMAT3_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct AnchorFormat3
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 3 */
+  FWORD         xCoordinate;            /* Horizontal value--in design units */
+  FWORD         yCoordinate;            /* Vertical value--in design units */
+  Offset16To<Device>
+                xDeviceTable;           /* Offset to Device table for X
+                                         * coordinate-- from beginning of
+                                         * Anchor table (may be NULL) */
+  Offset16To<Device>
+                yDeviceTable;           /* Offset to Device table for Y
+                                         * coordinate-- from beginning of
+                                         * Anchor table (may be NULL) */
+  public:
+  DEFINE_SIZE_STATIC (10);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && xDeviceTable.sanitize (c, this) && yDeviceTable.sanitize (c, this));
+  }
+
+  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
+                   float *x, float *y) const
+  {
+    hb_font_t *font = c->font;
+    *x = font->em_fscale_x (xCoordinate);
+    *y = font->em_fscale_y (yCoordinate);
+
+    if (font->x_ppem || font->num_coords)
+      *x += (this+xDeviceTable).get_x_delta (font, c->var_store, c->var_store_cache);
+    if (font->y_ppem || font->num_coords)
+      *y += (this+yDeviceTable).get_y_delta (font, c->var_store, c->var_store_cache);
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out)) return_trace (false);
+    if (unlikely (!c->serializer->embed (format))) return_trace (false);
+    if (unlikely (!c->serializer->embed (xCoordinate))) return_trace (false);
+    if (unlikely (!c->serializer->embed (yCoordinate))) return_trace (false);
+
+    unsigned x_varidx = xDeviceTable ? (this+xDeviceTable).get_variation_index () : HB_OT_LAYOUT_NO_VARIATIONS_INDEX;
+    if (c->plan->layout_variation_idx_delta_map->has (x_varidx))
+    {
+      int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (x_varidx));
+      if (delta != 0)
+      {
+        if (!c->serializer->check_assign (out->xCoordinate, xCoordinate + delta,
+                                          HB_SERIALIZE_ERROR_INT_OVERFLOW))
+          return_trace (false);
+      }
+    }
+
+    unsigned y_varidx = yDeviceTable ? (this+yDeviceTable).get_variation_index () : HB_OT_LAYOUT_NO_VARIATIONS_INDEX;
+    if (c->plan->layout_variation_idx_delta_map->has (y_varidx))
+    {
+      int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (y_varidx));
+      if (delta != 0)
+      {
+        if (!c->serializer->check_assign (out->yCoordinate, yCoordinate + delta,
+                                          HB_SERIALIZE_ERROR_INT_OVERFLOW))
+          return_trace (false);
+      }
+    }
+
+    if (c->plan->all_axes_pinned)
+      return_trace (c->serializer->check_assign (out->format, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
+
+    if (!c->serializer->embed (xDeviceTable)) return_trace (false);
+    if (!c->serializer->embed (yDeviceTable)) return_trace (false);
+
+    out->xDeviceTable.serialize_copy (c->serializer, xDeviceTable, this, 0, hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map);
+    out->yDeviceTable.serialize_copy (c->serializer, yDeviceTable, this, 0, hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map);
+    return_trace (out);
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    (this+xDeviceTable).collect_variation_indices (c);
+    (this+yDeviceTable).collect_variation_indices (c);
+  }
+};
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_ANCHORFORMAT3_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh
new file mode 100644
index 0000000000..c442efa1ea
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh
@@ -0,0 +1,77 @@
+#ifndef OT_LAYOUT_GPOS_ANCHORMATRIX_HH
+#define OT_LAYOUT_GPOS_ANCHORMATRIX_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct AnchorMatrix
+{
+  HBUINT16      rows;                   /* Number of rows */
+  UnsizedArrayOf<Offset16To<Anchor>>
+                matrixZ;                /* Matrix of offsets to Anchor tables--
+                                         * from beginning of AnchorMatrix table */
+  public:
+  DEFINE_SIZE_ARRAY (2, matrixZ);
+
+  bool sanitize (hb_sanitize_context_t *c, unsigned int cols) const
+  {
+    TRACE_SANITIZE (this);
+    if (!c->check_struct (this)) return_trace (false);
+    if (unlikely (hb_unsigned_mul_overflows (rows, cols))) return_trace (false);
+    unsigned int count = rows * cols;
+    if (!c->check_array (matrixZ.arrayZ, count)) return_trace (false);
+    for (unsigned int i = 0; i < count; i++)
+      if (!matrixZ[i].sanitize (c, this)) return_trace (false);
+    return_trace (true);
+  }
+
+  const Anchor& get_anchor (unsigned int row, unsigned int col,
+                            unsigned int cols, bool *found) const
+  {
+    *found = false;
+    if (unlikely (row >= rows || col >= cols)) return Null (Anchor);
+    *found = !matrixZ[row * cols + col].is_null ();
+    return this+matrixZ[row * cols + col];
+  }
+
+  template <typename Iterator,
+            hb_requires (hb_is_iterator (Iterator))>
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  Iterator index_iter) const
+  {
+    for (unsigned i : index_iter)
+      (this+matrixZ[i]).collect_variation_indices (c);
+  }
+
+  template <typename Iterator,
+      hb_requires (hb_is_iterator (Iterator))>
+  bool subset (hb_subset_context_t *c,
+               unsigned             num_rows,
+               Iterator             index_iter) const
+  {
+    TRACE_SUBSET (this);
+
+    auto *out = c->serializer->start_embed (this);
+
+    if (!index_iter) return_trace (false);
+    if (unlikely (!c->serializer->extend_min (out)))  return_trace (false);
+
+    out->rows = num_rows;
+    for (const unsigned i : index_iter)
+    {
+      auto *offset = c->serializer->embed (matrixZ[i]);
+      if (!offset) return_trace (false);
+      offset->serialize_subset (c, matrixZ[i], this);
+    }
+
+    return_trace (true);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_ANCHORMATRIX_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh
new file mode 100644
index 0000000000..d551ac2a2b
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh
@@ -0,0 +1,14 @@
+#ifndef OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH
+#define OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct ChainContextPos : ChainContext {};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh
new file mode 100644
index 0000000000..408197454f
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh
@@ -0,0 +1,33 @@
+#ifndef OT_LAYOUT_GPOS_COMMON_HH
+#define OT_LAYOUT_GPOS_COMMON_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+enum attach_type_t {
+  ATTACH_TYPE_NONE      = 0X00,
+
+  /* Each attachment should be either a mark or a cursive; can't be both. */
+  ATTACH_TYPE_MARK      = 0X01,
+  ATTACH_TYPE_CURSIVE   = 0X02,
+};
+
+/* buffer **position** var allocations */
+#define attach_chain() var.i16[0] /* glyph to which this attaches to, relative to current glyphs; negative for going back, positive for forward. */
+#define attach_type() var.u8[2] /* attachment type */
+/* Note! if attach_chain() is zero, the value of attach_type() is irrelevant. */
+
+template<typename Iterator, typename SrcLookup>
+static void SinglePos_serialize (hb_serialize_context_t *c,
+                                 const SrcLookup *src,
+                                 Iterator it,
+                                 const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+                                 bool all_axes_pinned);
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_COMMON_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh
new file mode 100644
index 0000000000..2a01eaa3a6
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh
@@ -0,0 +1,14 @@
+#ifndef OT_LAYOUT_GPOS_CONTEXTPOS_HH
+#define OT_LAYOUT_GPOS_CONTEXTPOS_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct ContextPos : Context {};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_CONTEXTPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh
new file mode 100644
index 0000000000..c105cfb091
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh
@@ -0,0 +1,35 @@
+#ifndef OT_LAYOUT_GPOS_CURSIVEPOS_HH
+#define OT_LAYOUT_GPOS_CURSIVEPOS_HH
+
+#include "CursivePosFormat1.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct CursivePos
+{
+  protected:
+  union {
+  HBUINT16              format;         /* Format identifier */
+  CursivePosFormat1     format1;
+  } u;
+
+  public:
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_CURSIVEPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh
new file mode 100644
index 0000000000..7f58fac8b8
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh
@@ -0,0 +1,301 @@
+#ifndef OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH
+
+#include "Anchor.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct EntryExitRecord
+{
+  friend struct CursivePosFormat1;
+
+  bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (entryAnchor.sanitize (c, base) && exitAnchor.sanitize (c, base));
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  const void *src_base) const
+  {
+    (src_base+entryAnchor).collect_variation_indices (c);
+    (src_base+exitAnchor).collect_variation_indices (c);
+  }
+
+  EntryExitRecord* subset (hb_subset_context_t *c,
+                           const void *src_base) const
+  {
+    TRACE_SERIALIZE (this);
+    auto *out = c->serializer->embed (this);
+    if (unlikely (!out)) return_trace (nullptr);
+
+    out->entryAnchor.serialize_subset (c, entryAnchor, src_base);
+    out->exitAnchor.serialize_subset (c, exitAnchor, src_base);
+    return_trace (out);
+  }
+
+  protected:
+  Offset16To<Anchor>
+                entryAnchor;            /* Offset to EntryAnchor table--from
+                                         * beginning of CursivePos
+                                         * subtable--may be NULL */
+  Offset16To<Anchor>
+                exitAnchor;             /* Offset to ExitAnchor table--from
+                                         * beginning of CursivePos
+                                         * subtable--may be NULL */
+  public:
+  DEFINE_SIZE_STATIC (4);
+};
+
+static void
+reverse_cursive_minor_offset (hb_glyph_position_t *pos, unsigned int i, hb_direction_t direction, unsigned int new_parent) {
+  int chain = pos[i].attach_chain(), type = pos[i].attach_type();
+  if (likely (!chain || 0 == (type & ATTACH_TYPE_CURSIVE)))
+    return;
+
+  pos[i].attach_chain() = 0;
+
+  unsigned int j = (int) i + chain;
+
+  /* Stop if we see new parent in the chain. */
+  if (j == new_parent)
+    return;
+
+  reverse_cursive_minor_offset (pos, j, direction, new_parent);
+
+  if (HB_DIRECTION_IS_HORIZONTAL (direction))
+    pos[j].y_offset = -pos[i].y_offset;
+  else
+    pos[j].x_offset = -pos[i].x_offset;
+
+  pos[j].attach_chain() = -chain;
+  pos[j].attach_type() = type;
+}
+
+
+struct CursivePosFormat1
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  Offset16To<Coverage>
+                coverage;               /* Offset to Coverage table--from
+                                         * beginning of subtable */
+  Array16Of<EntryExitRecord>
+                entryExitRecord;        /* Array of EntryExit records--in
+                                         * Coverage Index order */
+  public:
+  DEFINE_SIZE_ARRAY (6, entryExitRecord);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (coverage.sanitize (c, this) && entryExitRecord.sanitize (c, this));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  { return (this+coverage).intersects (glyphs); }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    + hb_zip (this+coverage, entryExitRecord)
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    | hb_apply ([&] (const EntryExitRecord& record) { record.collect_variation_indices (c, this); })
+    ;
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
+
+  const Coverage &get_coverage () const { return this+coverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+
+    const EntryExitRecord &this_record = entryExitRecord[(this+coverage).get_coverage  (buffer->cur().codepoint)];
+    if (!this_record.entryAnchor) return_trace (false);
+
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    unsigned unsafe_from;
+    if (!skippy_iter.prev (&unsafe_from))
+    {
+      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    const EntryExitRecord &prev_record = entryExitRecord[(this+coverage).get_coverage  (buffer->info[skippy_iter.idx].codepoint)];
+    if (!prev_record.exitAnchor)
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    unsigned int i = skippy_iter.idx;
+    unsigned int j = buffer->idx;
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "cursive attaching glyph at %d to glyph at %d",
+			  i, j);
+    }
+
+    buffer->unsafe_to_break (i, j + 1);
+    float entry_x, entry_y, exit_x, exit_y;
+    (this+prev_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y);
+    (this+this_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y);
+
+    hb_glyph_position_t *pos = buffer->pos;
+
+    hb_position_t d;
+    /* Main-direction adjustment */
+    switch (c->direction) {
+      case HB_DIRECTION_LTR:
+        pos[i].x_advance  = roundf (exit_x) + pos[i].x_offset;
+
+        d = roundf (entry_x) + pos[j].x_offset;
+        pos[j].x_advance -= d;
+        pos[j].x_offset  -= d;
+        break;
+      case HB_DIRECTION_RTL:
+        d = roundf (exit_x) + pos[i].x_offset;
+        pos[i].x_advance -= d;
+        pos[i].x_offset  -= d;
+
+        pos[j].x_advance  = roundf (entry_x) + pos[j].x_offset;
+        break;
+      case HB_DIRECTION_TTB:
+        pos[i].y_advance  = roundf (exit_y) + pos[i].y_offset;
+
+        d = roundf (entry_y) + pos[j].y_offset;
+        pos[j].y_advance -= d;
+        pos[j].y_offset  -= d;
+        break;
+      case HB_DIRECTION_BTT:
+        d = roundf (exit_y) + pos[i].y_offset;
+        pos[i].y_advance -= d;
+        pos[i].y_offset  -= d;
+
+        pos[j].y_advance  = roundf (entry_y);
+        break;
+      case HB_DIRECTION_INVALID:
+      default:
+        break;
+    }
+
+    /* Cross-direction adjustment */
+
+    /* We attach child to parent (think graph theory and rooted trees whereas
+     * the root stays on baseline and each node aligns itself against its
+     * parent.
+     *
+     * Optimize things for the case of RightToLeft, as that's most common in
+     * Arabic. */
+    unsigned int child  = i;
+    unsigned int parent = j;
+    hb_position_t x_offset = entry_x - exit_x;
+    hb_position_t y_offset = entry_y - exit_y;
+    if  (!(c->lookup_props & LookupFlag::RightToLeft))
+    {
+      unsigned int k = child;
+      child = parent;
+      parent = k;
+      x_offset = -x_offset;
+      y_offset = -y_offset;
+    }
+
+    /* If child was already connected to someone else, walk through its old
+     * chain and reverse the link direction, such that the whole tree of its
+     * previous connection now attaches to new parent.  Watch out for case
+     * where new parent is on the path from old chain...
+     */
+    reverse_cursive_minor_offset (pos, child, c->direction, parent);
+
+    pos[child].attach_type() = ATTACH_TYPE_CURSIVE;
+    pos[child].attach_chain() = (int) parent - (int) child;
+    buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
+    if (likely (HB_DIRECTION_IS_HORIZONTAL (c->direction)))
+      pos[child].y_offset = y_offset;
+    else
+      pos[child].x_offset = x_offset;
+
+    /* If parent was attached to child, separate them.
+     * https://github.com/harfbuzz/harfbuzz/issues/2469
+     */
+    if (unlikely (pos[parent].attach_chain() == -pos[child].attach_chain()))
+    {
+      pos[parent].attach_chain() = 0;
+      if (likely (HB_DIRECTION_IS_HORIZONTAL (c->direction)))
+	pos[parent].y_offset = 0;
+      else
+	pos[parent].x_offset = 0;
+    }
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "cursive attached glyph at %d to glyph at %d",
+			  i, j);
+    }
+
+    buffer->idx++;
+    return_trace (true);
+  }
+
+  template <typename Iterator,
+            hb_requires (hb_is_iterator (Iterator))>
+  void serialize (hb_subset_context_t *c,
+                  Iterator it,
+                  const void *src_base)
+  {
+    if (unlikely (!c->serializer->extend_min ((*this)))) return;
+    this->format = 1;
+    this->entryExitRecord.len = it.len ();
+
+    for (const EntryExitRecord& entry_record : + it
+                                               | hb_map (hb_second))
+      entry_record.subset (c, src_base);
+
+    auto glyphs =
+    + it
+    | hb_map_retains_sorting (hb_first)
+    ;
+
+    coverage.serialize_serialize (c->serializer, glyphs);
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out)) return_trace (false);
+
+    auto it =
+    + hb_zip (this+coverage, entryExitRecord)
+    | hb_filter (glyphset, hb_first)
+    | hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, const EntryExitRecord&> p) -> hb_pair_t<hb_codepoint_t, const EntryExitRecord&>
+                              { return hb_pair (glyph_map[p.first], p.second);})
+    ;
+
+    bool ret = bool (it);
+    out->serialize (c, it, this);
+    return_trace (ret);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh
new file mode 100644
index 0000000000..d1808adab4
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh
@@ -0,0 +1,17 @@
+#ifndef OT_LAYOUT_GPOS_EXTENSIONPOS_HH
+#define OT_LAYOUT_GPOS_EXTENSIONPOS_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct ExtensionPos : Extension<ExtensionPos>
+{
+  typedef struct PosLookupSubTable SubTable;
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_EXTENSIONPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh
new file mode 100644
index 0000000000..9493ec987e
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh
@@ -0,0 +1,171 @@
+#ifndef OT_LAYOUT_GPOS_GPOS_HH
+#define OT_LAYOUT_GPOS_GPOS_HH
+
+#include "../../../hb-ot-layout-common.hh"
+#include "../../../hb-ot-layout-gsubgpos.hh"
+#include "Common.hh"
+#include "PosLookup.hh"
+
+namespace OT {
+
+using Layout::GPOS_impl::PosLookup;
+
+namespace Layout {
+
+static void
+propagate_attachment_offsets (hb_glyph_position_t *pos,
+                              unsigned int len,
+                              unsigned int i,
+                              hb_direction_t direction,
+                              unsigned nesting_level = HB_MAX_NESTING_LEVEL);
+
+/*
+ * GPOS -- Glyph Positioning
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/gpos
+ */
+
+struct GPOS : GSUBGPOS
+{
+  static constexpr hb_tag_t tableTag = HB_OT_TAG_GPOS;
+
+  using Lookup = PosLookup;
+
+  const PosLookup& get_lookup (unsigned int i) const
+  { return static_cast<const PosLookup &> (GSUBGPOS::get_lookup (i)); }
+
+  static inline void position_start (hb_font_t *font, hb_buffer_t *buffer);
+  static inline void position_finish_advances (hb_font_t *font, hb_buffer_t *buffer);
+  static inline void position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer);
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    hb_subset_layout_context_t l (c, tableTag);
+    return GSUBGPOS::subset<PosLookup> (&l);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (GSUBGPOS::sanitize<PosLookup> (c));
+  }
+
+  HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
+                                   hb_face_t *face) const;
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    for (unsigned i = 0; i < GSUBGPOS::get_lookup_count (); i++)
+    {
+      if (!c->gpos_lookups->has (i)) continue;
+      const PosLookup &l = get_lookup (i);
+      l.dispatch (c);
+    }
+  }
+
+  void closure_lookups (hb_face_t      *face,
+                        const hb_set_t *glyphs,
+                        hb_set_t       *lookup_indexes /* IN/OUT */) const
+  { GSUBGPOS::closure_lookups<PosLookup> (face, glyphs, lookup_indexes); }
+
+  typedef GSUBGPOS::accelerator_t<GPOS> accelerator_t;
+};
+
+
+static void
+propagate_attachment_offsets (hb_glyph_position_t *pos,
+                              unsigned int len,
+                              unsigned int i,
+                              hb_direction_t direction,
+                              unsigned nesting_level)
+{
+  /* Adjusts offsets of attached glyphs (both cursive and mark) to accumulate
+   * offset of glyph they are attached to. */
+  int chain = pos[i].attach_chain(), type = pos[i].attach_type();
+  if (likely (!chain))
+    return;
+
+  pos[i].attach_chain() = 0;
+
+  unsigned int j = (int) i + chain;
+
+  if (unlikely (j >= len))
+    return;
+
+  if (unlikely (!nesting_level))
+    return;
+
+  propagate_attachment_offsets (pos, len, j, direction, nesting_level - 1);
+
+  assert (!!(type & GPOS_impl::ATTACH_TYPE_MARK) ^ !!(type & GPOS_impl::ATTACH_TYPE_CURSIVE));
+
+  if (type & GPOS_impl::ATTACH_TYPE_CURSIVE)
+  {
+    if (HB_DIRECTION_IS_HORIZONTAL (direction))
+      pos[i].y_offset += pos[j].y_offset;
+    else
+      pos[i].x_offset += pos[j].x_offset;
+  }
+  else /*if (type & GPOS_impl::ATTACH_TYPE_MARK)*/
+  {
+    pos[i].x_offset += pos[j].x_offset;
+    pos[i].y_offset += pos[j].y_offset;
+
+    assert (j < i);
+    if (HB_DIRECTION_IS_FORWARD (direction))
+      for (unsigned int k = j; k < i; k++) {
+        pos[i].x_offset -= pos[k].x_advance;
+        pos[i].y_offset -= pos[k].y_advance;
+      }
+    else
+      for (unsigned int k = j + 1; k < i + 1; k++) {
+        pos[i].x_offset += pos[k].x_advance;
+        pos[i].y_offset += pos[k].y_advance;
+      }
+  }
+}
+
+void
+GPOS::position_start (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer)
+{
+  unsigned int count = buffer->len;
+  for (unsigned int i = 0; i < count; i++)
+    buffer->pos[i].attach_chain() = buffer->pos[i].attach_type() = 0;
+}
+
+void
+GPOS::position_finish_advances (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer HB_UNUSED)
+{
+  //_hb_buffer_assert_gsubgpos_vars (buffer);
+}
+
+void
+GPOS::position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
+{
+  _hb_buffer_assert_gsubgpos_vars (buffer);
+
+  unsigned int len;
+  hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, &len);
+  hb_direction_t direction = buffer->props.direction;
+
+  /* Handle attachments */
+  if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT)
+    for (unsigned i = 0; i < len; i++)
+      propagate_attachment_offsets (pos, len, i, direction);
+
+  if (unlikely (font->slant))
+  {
+    for (unsigned i = 0; i < len; i++)
+      if (unlikely (pos[i].y_offset))
+        pos[i].x_offset += _hb_roundf (font->slant_xy * pos[i].y_offset);
+  }
+}
+
+}
+
+struct GPOS_accelerator_t : Layout::GPOS::accelerator_t {
+  GPOS_accelerator_t (hb_face_t *face) : Layout::GPOS::accelerator_t (face) {}
+};
+
+}
+
+#endif  /* OT_LAYOUT_GPOS_GPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh
new file mode 100644
index 0000000000..a2d807cc32
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh
@@ -0,0 +1,56 @@
+#ifndef OT_LAYOUT_GPOS_LIGATUREARRAY_HH
+#define OT_LAYOUT_GPOS_LIGATUREARRAY_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+
+typedef AnchorMatrix LigatureAttach;    /* component-major--
+                                         * in order of writing direction--,
+                                         * mark-minor--
+                                         * ordered by class--zero-based. */
+
+/* Array of LigatureAttach tables ordered by LigatureCoverage Index */
+struct LigatureArray : List16OfOffset16To<LigatureAttach>
+{
+  template <typename Iterator,
+            hb_requires (hb_is_iterator (Iterator))>
+  bool subset (hb_subset_context_t *c,
+               Iterator             coverage,
+               unsigned             class_count,
+               const hb_map_t      *klass_mapping) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+
+    auto *out = c->serializer->start_embed (this);
+    if (unlikely (!c->serializer->extend_min (out)))  return_trace (false);
+
+    for (const auto _ : + hb_zip (coverage, *this)
+                  | hb_filter (glyphset, hb_first))
+    {
+      auto *matrix = out->serialize_append (c->serializer);
+      if (unlikely (!matrix)) return_trace (false);
+
+      const LigatureAttach& src = (this + _.second);
+      auto indexes =
+          + hb_range (src.rows * class_count)
+          | hb_filter ([=] (unsigned index) { return klass_mapping->has (index % class_count); })
+          ;
+      matrix->serialize_subset (c,
+                                _.second,
+                                this,
+                                src.rows,
+                                indexes);
+    }
+    return_trace (this->len);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_LIGATUREARRAY_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh
new file mode 100644
index 0000000000..cb5e8b2689
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh
@@ -0,0 +1,128 @@
+#ifndef OT_LAYOUT_GPOS_MARKARRAY_HH
+#define OT_LAYOUT_GPOS_MARKARRAY_HH
+
+#include "AnchorMatrix.hh"
+#include "MarkRecord.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct MarkArray : Array16Of<MarkRecord>        /* Array of MarkRecords--in Coverage order */
+{
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (Array16Of<MarkRecord>::sanitize (c, this));
+  }
+
+  bool apply (hb_ot_apply_context_t *c,
+              unsigned int mark_index, unsigned int glyph_index,
+              const AnchorMatrix &anchors, unsigned int class_count,
+              unsigned int glyph_pos) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    const MarkRecord &record = Array16Of<MarkRecord>::operator[](mark_index);
+    unsigned int mark_class = record.klass;
+
+    const Anchor& mark_anchor = this + record.markAnchor;
+    bool found;
+    const Anchor& glyph_anchor = anchors.get_anchor (glyph_index, mark_class, class_count, &found);
+    /* If this subtable doesn't have an anchor for this base and this class,
+     * return false such that the subsequent subtables have a chance at it. */
+    if (unlikely (!found)) return_trace (false);
+
+    float mark_x, mark_y, base_x, base_y;
+
+    buffer->unsafe_to_break (glyph_pos, buffer->idx + 1);
+    mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
+    glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "attaching mark glyph at %d to glyph at %d",
+			  c->buffer->idx, glyph_pos);
+    }
+
+    hb_glyph_position_t &o = buffer->cur_pos();
+    o.x_offset = roundf (base_x - mark_x);
+    o.y_offset = roundf (base_y - mark_y);
+    o.attach_type() = ATTACH_TYPE_MARK;
+    o.attach_chain() = (int) glyph_pos - (int) buffer->idx;
+    buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "attached mark glyph at %d to glyph at %d",
+			  c->buffer->idx, glyph_pos);
+    }
+
+    buffer->idx++;
+    return_trace (true);
+  }
+
+  template <typename Iterator,
+      hb_requires (hb_is_iterator (Iterator))>
+  bool subset (hb_subset_context_t *c,
+               Iterator             coverage,
+               const hb_map_t      *klass_mapping) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+
+    auto* out = c->serializer->start_embed (this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+
+    auto mark_iter =
+    + hb_zip (coverage, this->iter ())
+    | hb_filter (glyphset, hb_first)
+    | hb_map (hb_second)
+    ;
+
+    unsigned new_length = 0;
+    for (const auto& mark_record : mark_iter) {
+      if (unlikely (!mark_record.subset (c, this, klass_mapping)))
+        return_trace (false);
+      new_length++;
+    }
+
+    if (unlikely (!c->serializer->check_assign (out->len, new_length,
+                                                HB_SERIALIZE_ERROR_ARRAY_OVERFLOW)))
+      return_trace (false);
+
+    return_trace (true);
+  }
+};
+
+HB_INTERNAL inline
+void Markclass_closure_and_remap_indexes (const Coverage  &mark_coverage,
+                                          const MarkArray &mark_array,
+                                          const hb_set_t  &glyphset,
+                                          hb_map_t*        klass_mapping /* INOUT */)
+{
+  hb_set_t orig_classes;
+
+  + hb_zip (mark_coverage, mark_array)
+  | hb_filter (glyphset, hb_first)
+  | hb_map (hb_second)
+  | hb_map (&MarkRecord::get_class)
+  | hb_sink (orig_classes)
+  ;
+
+  unsigned idx = 0;
+  for (auto klass : orig_classes.iter ())
+  {
+    if (klass_mapping->has (klass)) continue;
+    klass_mapping->set (klass, idx);
+    idx++;
+  }
+}
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKARRAY_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh
new file mode 100644
index 0000000000..edf7099c07
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh
@@ -0,0 +1,41 @@
+#ifndef OT_LAYOUT_GPOS_MARKBASEPOS_HH
+#define OT_LAYOUT_GPOS_MARKBASEPOS_HH
+
+#include "MarkBasePosFormat1.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct MarkBasePos
+{
+  protected:
+  union {
+  HBUINT16				format;         /* Format identifier */
+  MarkBasePosFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  MarkBasePosFormat1_2<MediumTypes>	format2;
+#endif
+  } u;
+
+  public:
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKBASEPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh
new file mode 100644
index 0000000000..ebb8c31c67
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh
@@ -0,0 +1,219 @@
+#ifndef OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH
+
+#include "MarkArray.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+typedef AnchorMatrix BaseArray;         /* base-major--
+                                         * in order of BaseCoverage Index--,
+                                         * mark-minor--
+                                         * ordered by class--zero-based. */
+
+template <typename Types>
+struct MarkBasePosFormat1_2
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  typename Types::template OffsetTo<Coverage>
+                markCoverage;           /* Offset to MarkCoverage table--from
+                                         * beginning of MarkBasePos subtable */
+  typename Types::template OffsetTo<Coverage>
+                baseCoverage;           /* Offset to BaseCoverage table--from
+                                         * beginning of MarkBasePos subtable */
+  HBUINT16      classCount;             /* Number of classes defined for marks */
+  typename Types::template OffsetTo<MarkArray>
+                markArray;              /* Offset to MarkArray table--from
+                                         * beginning of MarkBasePos subtable */
+  typename Types::template OffsetTo<BaseArray>
+                baseArray;              /* Offset to BaseArray table--from
+                                         * beginning of MarkBasePos subtable */
+
+  public:
+  DEFINE_SIZE_STATIC (4 + 4 * Types::size);
+
+    bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  markCoverage.sanitize (c, this) &&
+                  baseCoverage.sanitize (c, this) &&
+                  markArray.sanitize (c, this) &&
+                  baseArray.sanitize (c, this, (unsigned int) classCount));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    return (this+markCoverage).intersects (glyphs) &&
+           (this+baseCoverage).intersects (glyphs);
+  }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    + hb_zip (this+markCoverage, this+markArray)
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); })
+    ;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping);
+
+    unsigned basecount = (this+baseArray).rows;
+    auto base_iter =
+    + hb_zip (this+baseCoverage, hb_range (basecount))
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    ;
+
+    hb_sorted_vector_t<unsigned> base_indexes;
+    for (const unsigned row : base_iter)
+    {
+      + hb_range ((unsigned) classCount)
+      | hb_filter (klass_mapping)
+      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
+      | hb_sink (base_indexes)
+      ;
+    }
+    (this+baseArray).collect_variation_indices (c, base_indexes.iter ());
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  {
+    if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return;
+    if (unlikely (!(this+baseCoverage).collect_coverage (c->input))) return;
+  }
+
+  const Coverage &get_coverage () const { return this+markCoverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int mark_index = (this+markCoverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (mark_index == NOT_COVERED)) return_trace (false);
+
+    /* Now we search backwards for a non-mark glyph */
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
+    do {
+      unsigned unsafe_from;
+      if (!skippy_iter.prev (&unsafe_from))
+      {
+        buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
+        return_trace (false);
+      }
+
+      /* We only want to attach to the first of a MultipleSubst sequence.
+       * https://github.com/harfbuzz/harfbuzz/issues/740
+       * Reject others...
+       * ...but stop if we find a mark in the MultipleSubst sequence:
+       * https://github.com/harfbuzz/harfbuzz/issues/1020 */
+      if (!_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx]) ||
+          0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) ||
+          (skippy_iter.idx == 0 ||
+           _hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx - 1]) ||
+           !_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx - 1]) ||
+           _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]) !=
+           _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1]) ||
+           _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) !=
+           _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx - 1]) + 1
+           ))
+        break;
+      skippy_iter.reject ();
+    } while (true);
+
+    /* Checking that matched glyph is actually a base glyph by GDEF is too strong; disabled */
+    //if (!_hb_glyph_info_is_base_glyph (&buffer->info[skippy_iter.idx])) { return_trace (false); }
+
+    unsigned int base_index = (this+baseCoverage).get_coverage  (buffer->info[skippy_iter.idx].codepoint);
+    if (base_index == NOT_COVERED)
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    return_trace ((this+markArray).apply (c, mark_index, base_index, this+baseArray, classCount, skippy_iter.idx));
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->format = format;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping);
+
+    if (!klass_mapping.get_population ()) return_trace (false);
+    out->classCount = klass_mapping.get_population ();
+
+    auto mark_iter =
+    + hb_zip (this+markCoverage, this+markArray)
+    | hb_filter (glyphset, hb_first)
+    ;
+
+    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
+    + mark_iter
+    | hb_map (hb_first)
+    | hb_map (glyph_map)
+    | hb_sink (new_coverage)
+    ;
+
+    if (!out->markCoverage.serialize_serialize (c->serializer, new_coverage.iter ()))
+      return_trace (false);
+
+    out->markArray.serialize_subset (c, markArray, this,
+                                     (this+markCoverage).iter (),
+                                     &klass_mapping);
+
+    unsigned basecount = (this+baseArray).rows;
+    auto base_iter =
+    + hb_zip (this+baseCoverage, hb_range (basecount))
+    | hb_filter (glyphset, hb_first)
+    ;
+
+    new_coverage.reset ();
+    + base_iter
+    | hb_map (hb_first)
+    | hb_map (glyph_map)
+    | hb_sink (new_coverage)
+    ;
+
+    if (!out->baseCoverage.serialize_serialize (c->serializer, new_coverage.iter ()))
+      return_trace (false);
+
+    hb_sorted_vector_t<unsigned> base_indexes;
+    for (const unsigned row : + base_iter
+                              | hb_map (hb_second))
+    {
+      + hb_range ((unsigned) classCount)
+      | hb_filter (klass_mapping)
+      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
+      | hb_sink (base_indexes)
+      ;
+    }
+
+    out->baseArray.serialize_subset (c, baseArray, this,
+                                     base_iter.len (),
+                                     base_indexes.iter ());
+
+    return_trace (true);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh
new file mode 100644
index 0000000000..09152fd876
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh
@@ -0,0 +1,41 @@
+#ifndef OT_LAYOUT_GPOS_MARKLIGPOS_HH
+#define OT_LAYOUT_GPOS_MARKLIGPOS_HH
+
+#include "MarkLigPosFormat1.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct MarkLigPos
+{
+  protected:
+  union {
+  HBUINT16				format;         /* Format identifier */
+  MarkLigPosFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  MarkLigPosFormat1_2<MediumTypes>	format2;
+#endif
+  } u;
+
+  public:
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKLIGPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh
new file mode 100644
index 0000000000..1a8021237e
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh
@@ -0,0 +1,206 @@
+#ifndef OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH
+
+#include "LigatureArray.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+
+template <typename Types>
+struct MarkLigPosFormat1_2
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  typename Types::template OffsetTo<Coverage>
+                markCoverage;           /* Offset to Mark Coverage table--from
+                                         * beginning of MarkLigPos subtable */
+  typename Types::template OffsetTo<Coverage>
+                ligatureCoverage;       /* Offset to Ligature Coverage
+                                         * table--from beginning of MarkLigPos
+                                         * subtable */
+  HBUINT16      classCount;             /* Number of defined mark classes */
+  typename Types::template OffsetTo<MarkArray>
+                markArray;              /* Offset to MarkArray table--from
+                                         * beginning of MarkLigPos subtable */
+  typename Types::template OffsetTo<LigatureArray>
+                ligatureArray;          /* Offset to LigatureArray table--from
+                                         * beginning of MarkLigPos subtable */
+  public:
+  DEFINE_SIZE_STATIC (4 + 4 * Types::size);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  markCoverage.sanitize (c, this) &&
+                  ligatureCoverage.sanitize (c, this) &&
+                  markArray.sanitize (c, this) &&
+                  ligatureArray.sanitize (c, this, (unsigned int) classCount));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    return (this+markCoverage).intersects (glyphs) &&
+           (this+ligatureCoverage).intersects (glyphs);
+  }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    + hb_zip (this+markCoverage, this+markArray)
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); })
+    ;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping);
+
+    unsigned ligcount = (this+ligatureArray).len;
+    auto lig_iter =
+    + hb_zip (this+ligatureCoverage, hb_range (ligcount))
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    ;
+
+    const LigatureArray& lig_array = this+ligatureArray;
+    for (const unsigned i : lig_iter)
+    {
+      hb_sorted_vector_t<unsigned> lig_indexes;
+      unsigned row_count = lig_array[i].rows;
+      for (unsigned row : + hb_range (row_count))
+      {
+        + hb_range ((unsigned) classCount)
+        | hb_filter (klass_mapping)
+        | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
+        | hb_sink (lig_indexes)
+        ;
+      }
+
+      lig_array[i].collect_variation_indices (c, lig_indexes.iter ());
+    }
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  {
+    if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return;
+    if (unlikely (!(this+ligatureCoverage).collect_coverage (c->input))) return;
+  }
+
+  const Coverage &get_coverage () const { return this+markCoverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int mark_index = (this+markCoverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (mark_index == NOT_COVERED)) return_trace (false);
+
+    /* Now we search backwards for a non-mark glyph */
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
+    unsigned unsafe_from;
+    if (!skippy_iter.prev (&unsafe_from))
+    {
+      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    /* Checking that matched glyph is actually a ligature by GDEF is too strong; disabled */
+    //if (!_hb_glyph_info_is_ligature (&buffer->info[skippy_iter.idx])) { return_trace (false); }
+
+    unsigned int j = skippy_iter.idx;
+    unsigned int lig_index = (this+ligatureCoverage).get_coverage  (buffer->info[j].codepoint);
+    if (lig_index == NOT_COVERED)
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    const LigatureArray& lig_array = this+ligatureArray;
+    const LigatureAttach& lig_attach = lig_array[lig_index];
+
+    /* Find component to attach to */
+    unsigned int comp_count = lig_attach.rows;
+    if (unlikely (!comp_count))
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    /* We must now check whether the ligature ID of the current mark glyph
+     * is identical to the ligature ID of the found ligature.  If yes, we
+     * can directly use the component index.  If not, we attach the mark
+     * glyph to the last component of the ligature. */
+    unsigned int comp_index;
+    unsigned int lig_id = _hb_glyph_info_get_lig_id (&buffer->info[j]);
+    unsigned int mark_id = _hb_glyph_info_get_lig_id (&buffer->cur());
+    unsigned int mark_comp = _hb_glyph_info_get_lig_comp (&buffer->cur());
+    if (lig_id && lig_id == mark_id && mark_comp > 0)
+      comp_index = hb_min (comp_count, _hb_glyph_info_get_lig_comp (&buffer->cur())) - 1;
+    else
+      comp_index = comp_count - 1;
+
+    return_trace ((this+markArray).apply (c, mark_index, comp_index, lig_attach, classCount, j));
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->format = format;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping);
+
+    if (!klass_mapping.get_population ()) return_trace (false);
+    out->classCount = klass_mapping.get_population ();
+
+    auto mark_iter =
+    + hb_zip (this+markCoverage, this+markArray)
+    | hb_filter (glyphset, hb_first)
+    ;
+
+    auto new_mark_coverage =
+    + mark_iter
+    | hb_map_retains_sorting (hb_first)
+    | hb_map_retains_sorting (glyph_map)
+    ;
+
+    if (!out->markCoverage.serialize_serialize (c->serializer, new_mark_coverage))
+      return_trace (false);
+
+    out->markArray.serialize_subset (c, markArray, this,
+                                     (this+markCoverage).iter (),
+                                     &klass_mapping);
+
+    auto new_ligature_coverage =
+    + hb_iter (this + ligatureCoverage)
+    | hb_filter (glyphset)
+    | hb_map_retains_sorting (glyph_map)
+    ;
+
+    if (!out->ligatureCoverage.serialize_serialize (c->serializer, new_ligature_coverage))
+      return_trace (false);
+
+    out->ligatureArray.serialize_subset (c, ligatureArray, this,
+                                         hb_iter (this+ligatureCoverage), classCount, &klass_mapping);
+
+    return_trace (true);
+  }
+
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh
new file mode 100644
index 0000000000..4118fc304f
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh
@@ -0,0 +1,42 @@
+#ifndef OT_LAYOUT_GPOS_MARKMARKPOS_HH
+#define OT_LAYOUT_GPOS_MARKMARKPOS_HH
+
+#include "MarkMarkPosFormat1.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct MarkMarkPos
+{
+  protected:
+  union {
+  HBUINT16				format;         /* Format identifier */
+  MarkMarkPosFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  MarkMarkPosFormat1_2<MediumTypes>	format2;
+#endif
+  } u;
+
+  public:
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKMARKPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh
new file mode 100644
index 0000000000..fbcebb8044
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh
@@ -0,0 +1,228 @@
+#ifndef OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH
+
+#include "MarkMarkPosFormat1.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+typedef AnchorMatrix Mark2Array;        /* mark2-major--
+                                         * in order of Mark2Coverage Index--,
+                                         * mark1-minor--
+                                         * ordered by class--zero-based. */
+
+template <typename Types>
+struct MarkMarkPosFormat1_2
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  typename Types::template OffsetTo<Coverage>
+                mark1Coverage;          /* Offset to Combining Mark1 Coverage
+                                         * table--from beginning of MarkMarkPos
+                                         * subtable */
+  typename Types::template OffsetTo<Coverage>
+                mark2Coverage;          /* Offset to Combining Mark2 Coverage
+                                         * table--from beginning of MarkMarkPos
+                                         * subtable */
+  HBUINT16      classCount;             /* Number of defined mark classes */
+  typename Types::template OffsetTo<MarkArray>
+                mark1Array;             /* Offset to Mark1Array table--from
+                                         * beginning of MarkMarkPos subtable */
+  typename Types::template OffsetTo<Mark2Array>
+                mark2Array;             /* Offset to Mark2Array table--from
+                                         * beginning of MarkMarkPos subtable */
+  public:
+  DEFINE_SIZE_STATIC (4 + 4 * Types::size);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  mark1Coverage.sanitize (c, this) &&
+                  mark2Coverage.sanitize (c, this) &&
+                  mark1Array.sanitize (c, this) &&
+                  mark2Array.sanitize (c, this, (unsigned int) classCount));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    return (this+mark1Coverage).intersects (glyphs) &&
+           (this+mark2Coverage).intersects (glyphs);
+  }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    + hb_zip (this+mark1Coverage, this+mark1Array)
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+mark1Array)); })
+    ;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, *c->glyph_set, &klass_mapping);
+
+    unsigned mark2_count = (this+mark2Array).rows;
+    auto mark2_iter =
+    + hb_zip (this+mark2Coverage, hb_range (mark2_count))
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    ;
+
+    hb_sorted_vector_t<unsigned> mark2_indexes;
+    for (const unsigned row : mark2_iter)
+    {
+      + hb_range ((unsigned) classCount)
+      | hb_filter (klass_mapping)
+      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
+      | hb_sink (mark2_indexes)
+      ;
+    }
+    (this+mark2Array).collect_variation_indices (c, mark2_indexes.iter ());
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  {
+    if (unlikely (!(this+mark1Coverage).collect_coverage (c->input))) return;
+    if (unlikely (!(this+mark2Coverage).collect_coverage (c->input))) return;
+  }
+
+  const Coverage &get_coverage () const { return this+mark1Coverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int mark1_index = (this+mark1Coverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (mark1_index == NOT_COVERED)) return_trace (false);
+
+    /* now we search backwards for a suitable mark glyph until a non-mark glyph */
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    skippy_iter.set_lookup_props (c->lookup_props & ~(uint32_t)LookupFlag::IgnoreFlags);
+    unsigned unsafe_from;
+    if (!skippy_iter.prev (&unsafe_from))
+    {
+      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    if (!_hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx]))
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    unsigned int j = skippy_iter.idx;
+
+    unsigned int id1 = _hb_glyph_info_get_lig_id (&buffer->cur());
+    unsigned int id2 = _hb_glyph_info_get_lig_id (&buffer->info[j]);
+    unsigned int comp1 = _hb_glyph_info_get_lig_comp (&buffer->cur());
+    unsigned int comp2 = _hb_glyph_info_get_lig_comp (&buffer->info[j]);
+
+    if (likely (id1 == id2))
+    {
+      if (id1 == 0) /* Marks belonging to the same base. */
+        goto good;
+      else if (comp1 == comp2) /* Marks belonging to the same ligature component. */
+        goto good;
+    }
+    else
+    {
+      /* If ligature ids don't match, it may be the case that one of the marks
+       * itself is a ligature.  In which case match. */
+      if ((id1 > 0 && !comp1) || (id2 > 0 && !comp2))
+        goto good;
+    }
+
+    /* Didn't match. */
+    buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+    return_trace (false);
+
+    good:
+    unsigned int mark2_index = (this+mark2Coverage).get_coverage  (buffer->info[j].codepoint);
+    if (mark2_index == NOT_COVERED)
+    {
+      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
+      return_trace (false);
+    }
+
+    return_trace ((this+mark1Array).apply (c, mark1_index, mark2_index, this+mark2Array, classCount, j));
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->format = format;
+
+    hb_map_t klass_mapping;
+    Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, glyphset, &klass_mapping);
+
+    if (!klass_mapping.get_population ()) return_trace (false);
+    out->classCount = klass_mapping.get_population ();
+
+    auto mark1_iter =
+    + hb_zip (this+mark1Coverage, this+mark1Array)
+    | hb_filter (glyphset, hb_first)
+    ;
+
+    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
+    + mark1_iter
+    | hb_map (hb_first)
+    | hb_map (glyph_map)
+    | hb_sink (new_coverage)
+    ;
+
+    if (!out->mark1Coverage.serialize_serialize (c->serializer, new_coverage.iter ()))
+      return_trace (false);
+
+    out->mark1Array.serialize_subset (c, mark1Array, this,
+                                      (this+mark1Coverage).iter (),
+                                      &klass_mapping);
+
+    unsigned mark2count = (this+mark2Array).rows;
+    auto mark2_iter =
+    + hb_zip (this+mark2Coverage, hb_range (mark2count))
+    | hb_filter (glyphset, hb_first)
+    ;
+
+    new_coverage.reset ();
+    + mark2_iter
+    | hb_map (hb_first)
+    | hb_map (glyph_map)
+    | hb_sink (new_coverage)
+    ;
+
+    if (!out->mark2Coverage.serialize_serialize (c->serializer, new_coverage.iter ()))
+      return_trace (false);
+
+    hb_sorted_vector_t<unsigned> mark2_indexes;
+    for (const unsigned row : + mark2_iter
+                              | hb_map (hb_second))
+    {
+      + hb_range ((unsigned) classCount)
+      | hb_filter (klass_mapping)
+      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
+      | hb_sink (mark2_indexes)
+      ;
+    }
+
+    out->mark2Array.serialize_subset (c, mark2Array, this, mark2_iter.len (), mark2_indexes.iter ());
+
+    return_trace (true);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh
new file mode 100644
index 0000000000..a7d489d2a5
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh
@@ -0,0 +1,52 @@
+#ifndef OT_LAYOUT_GPOS_MARKRECORD_HH
+#define OT_LAYOUT_GPOS_MARKRECORD_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct MarkRecord
+{
+  friend struct MarkArray;
+
+  public:
+  HBUINT16      klass;                  /* Class defined for this mark */
+  Offset16To<Anchor>
+                markAnchor;             /* Offset to Anchor table--from
+                                         * beginning of MarkArray table */
+  public:
+  DEFINE_SIZE_STATIC (4);
+
+  unsigned get_class () const { return (unsigned) klass; }
+  bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && markAnchor.sanitize (c, base));
+  }
+
+  MarkRecord *subset (hb_subset_context_t    *c,
+                      const void             *src_base,
+                      const hb_map_t         *klass_mapping) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->embed (this);
+    if (unlikely (!out)) return_trace (nullptr);
+
+    out->klass = klass_mapping->get (klass);
+    out->markAnchor.serialize_subset (c, markAnchor, src_base);
+    return_trace (out);
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  const void *src_base) const
+  {
+    (src_base+markAnchor).collect_variation_indices (c);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_MARKRECORD_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh
new file mode 100644
index 0000000000..9823768cbc
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh
@@ -0,0 +1,46 @@
+#ifndef OT_LAYOUT_GPOS_PAIRPOS_HH
+#define OT_LAYOUT_GPOS_PAIRPOS_HH
+
+#include "PairPosFormat1.hh"
+#include "PairPosFormat2.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct PairPos
+{
+  protected:
+  union {
+  HBUINT16			format;         /* Format identifier */
+  PairPosFormat1_3<SmallTypes>	format1;
+  PairPosFormat2_4<SmallTypes>	format2;
+#ifndef HB_NO_BEYOND_64K
+  PairPosFormat1_3<MediumTypes>	format3;
+  PairPosFormat2_4<MediumTypes>	format4;
+#endif
+  } u;
+
+  public:
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+    case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
+#endif
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_PAIRPOS_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh
new file mode 100644
index 0000000000..9c9b268889
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh
@@ -0,0 +1,219 @@
+#ifndef OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH
+
+#include "PairSet.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+
+template <typename Types>
+struct PairPosFormat1_3
+{
+  using PairSet = GPOS_impl::PairSet<Types>;
+  using PairValueRecord = GPOS_impl::PairValueRecord<Types>;
+
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  typename Types::template OffsetTo<Coverage>
+                coverage;               /* Offset to Coverage table--from
+                                         * beginning of subtable */
+  ValueFormat   valueFormat[2];         /* [0] Defines the types of data in
+                                         * ValueRecord1--for the first glyph
+                                         * in the pair--may be zero (0) */
+                                        /* [1] Defines the types of data in
+                                         * ValueRecord2--for the second glyph
+                                         * in the pair--may be zero (0) */
+  Array16Of<typename Types::template OffsetTo<PairSet>>
+                pairSet;                /* Array of PairSet tables
+                                         * ordered by Coverage Index */
+  public:
+  DEFINE_SIZE_ARRAY (8 + Types::size, pairSet);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+
+    if (!c->check_struct (this)) return_trace (false);
+
+    unsigned int len1 = valueFormat[0].get_len ();
+    unsigned int len2 = valueFormat[1].get_len ();
+    typename PairSet::sanitize_closure_t closure =
+    {
+      valueFormat,
+      len1,
+      1 + len1 + len2
+    };
+
+    return_trace (coverage.sanitize (c, this) && pairSet.sanitize (c, this, &closure));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    auto &cov = this+coverage;
+
+    if (pairSet.len > glyphs->get_population () * hb_bit_storage ((unsigned) pairSet.len) / 4)
+    {
+      for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
+      {
+	unsigned i = cov.get_coverage (g);
+	if ((this+pairSet[i]).intersects (glyphs, valueFormat))
+	  return true;
+      }
+      return false;
+    }
+
+    return
+    + hb_zip (cov, pairSet)
+    | hb_filter (*glyphs, hb_first)
+    | hb_map (hb_second)
+    | hb_map ([glyphs, this] (const typename Types::template OffsetTo<PairSet> &_)
+              { return (this+_).intersects (glyphs, valueFormat); })
+    | hb_any
+    ;
+  }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    if ((!valueFormat[0].has_device ()) && (!valueFormat[1].has_device ())) return;
+
+    auto it =
+    + hb_zip (this+coverage, pairSet)
+    | hb_filter (c->glyph_set, hb_first)
+    | hb_map (hb_second)
+    ;
+
+    if (!it) return;
+    + it
+    | hb_map (hb_add (this))
+    | hb_apply ([&] (const PairSet& _) { _.collect_variation_indices (c, valueFormat); })
+    ;
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  {
+    if (unlikely (!(this+coverage).collect_coverage (c->input))) return;
+    unsigned int count = pairSet.len;
+    for (unsigned int i = 0; i < count; i++)
+      (this+pairSet[i]).collect_glyphs (c, valueFormat);
+  }
+
+  const Coverage &get_coverage () const { return this+coverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (index == NOT_COVERED)) return_trace (false);
+
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    unsigned unsafe_to;
+    if (!skippy_iter.next (&unsafe_to))
+    {
+      buffer->unsafe_to_concat (buffer->idx, unsafe_to);
+      return_trace (false);
+    }
+
+    return_trace ((this+pairSet[index]).apply (c, valueFormat, skippy_iter.idx));
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->format = format;
+    out->valueFormat[0] = valueFormat[0];
+    out->valueFormat[1] = valueFormat[1];
+    if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+    {
+      hb_pair_t<unsigned, unsigned> newFormats = compute_effective_value_formats (glyphset);
+      out->valueFormat[0] = newFormats.first;
+      out->valueFormat[1] = newFormats.second;
+    }
+
+    if (c->plan->all_axes_pinned)
+    {
+      out->valueFormat[0] = out->valueFormat[0].drop_device_table_flags ();
+      out->valueFormat[1] = out->valueFormat[1].drop_device_table_flags ();
+    }
+
+    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
+
+    + hb_zip (this+coverage, pairSet)
+    | hb_filter (glyphset, hb_first)
+    | hb_filter ([this, c, out] (const typename Types::template OffsetTo<PairSet>& _)
+                 {
+                   auto snap = c->serializer->snapshot ();
+                   auto *o = out->pairSet.serialize_append (c->serializer);
+                   if (unlikely (!o)) return false;
+                   bool ret = o->serialize_subset (c, _, this, valueFormat, out->valueFormat);
+                   if (!ret)
+                   {
+                     out->pairSet.pop ();
+                     c->serializer->revert (snap);
+                   }
+                   return ret;
+                 },
+                 hb_second)
+    | hb_map (hb_first)
+    | hb_map (glyph_map)
+    | hb_sink (new_coverage)
+    ;
+
+    out->coverage.serialize_serialize (c->serializer, new_coverage.iter ());
+
+    return_trace (bool (new_coverage));
+  }
+
+
+  hb_pair_t<unsigned, unsigned> compute_effective_value_formats (const hb_set_t& glyphset) const
+  {
+    unsigned len1 = valueFormat[0].get_len ();
+    unsigned len2 = valueFormat[1].get_len ();
+    unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2);
+
+    unsigned format1 = 0;
+    unsigned format2 = 0;
+    for (const auto & _ :
+	  + hb_zip (this+coverage, pairSet)
+	  | hb_filter (glyphset, hb_first)
+	  | hb_map (hb_second)
+	)
+    {
+      const PairSet& set = (this + _);
+      const PairValueRecord *record = &set.firstPairValueRecord;
+
+      unsigned count = set.len;
+      for (unsigned i = 0; i < count; i++)
+      {
+        if (record->intersects (glyphset))
+        {
+          format1 = format1 | valueFormat[0].get_effective_format (record->get_values_1 ());
+          format2 = format2 | valueFormat[1].get_effective_format (record->get_values_2 (valueFormat[0]));
+        }
+        record = &StructAtOffset<const PairValueRecord> (record, record_size);
+      }
+
+      if (format1 == valueFormat[0] && format2 == valueFormat[1])
+        break;
+    }
+
+    return hb_pair (format1, format2);
+  }
+};
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh
new file mode 100644
index 0000000000..9c87ac2b03
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh
@@ -0,0 +1,351 @@
+#ifndef OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH
+#define OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH
+
+#include "ValueFormat.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+template <typename Types>
+struct PairPosFormat2_4
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 2 */
+  typename Types::template OffsetTo<Coverage>
+                coverage;               /* Offset to Coverage table--from
+                                         * beginning of subtable */
+  ValueFormat   valueFormat1;           /* ValueRecord definition--for the
+                                         * first glyph of the pair--may be zero
+                                         * (0) */
+  ValueFormat   valueFormat2;           /* ValueRecord definition--for the
+                                         * second glyph of the pair--may be
+                                         * zero (0) */
+  typename Types::template OffsetTo<ClassDef>
+                classDef1;              /* Offset to ClassDef table--from
+                                         * beginning of PairPos subtable--for
+                                         * the first glyph of the pair */
+  typename Types::template OffsetTo<ClassDef>
+                classDef2;              /* Offset to ClassDef table--from
+                                         * beginning of PairPos subtable--for
+                                         * the second glyph of the pair */
+  HBUINT16      class1Count;            /* Number of classes in ClassDef1
+                                         * table--includes Class0 */
+  HBUINT16      class2Count;            /* Number of classes in ClassDef2
+                                         * table--includes Class0 */
+  ValueRecord   values;                 /* Matrix of value pairs:
+                                         * class1-major, class2-minor,
+                                         * Each entry has value1 and value2 */
+  public:
+  DEFINE_SIZE_ARRAY (10 + 3 * Types::size, values);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (!(c->check_struct (this)
+       && coverage.sanitize (c, this)
+       && classDef1.sanitize (c, this)
+       && classDef2.sanitize (c, this))) return_trace (false);
+
+    unsigned int len1 = valueFormat1.get_len ();
+    unsigned int len2 = valueFormat2.get_len ();
+    unsigned int stride = len1 + len2;
+    unsigned int record_size = valueFormat1.get_size () + valueFormat2.get_size ();
+    unsigned int count = (unsigned int) class1Count * (unsigned int) class2Count;
+    return_trace (c->check_range ((const void *) values,
+                                  count,
+                                  record_size) &&
+                  valueFormat1.sanitize_values_stride_unsafe (c, this, &values[0], count, stride) &&
+                  valueFormat2.sanitize_values_stride_unsafe (c, this, &values[len1], count, stride));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    return (this+coverage).intersects (glyphs) &&
+           (this+classDef2).intersects (glyphs);
+  }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    if (!intersects (c->glyph_set)) return;
+    if ((!valueFormat1.has_device ()) && (!valueFormat2.has_device ())) return;
+
+    hb_set_t klass1_glyphs, klass2_glyphs;
+    if (!(this+classDef1).collect_coverage (&klass1_glyphs)) return;
+    if (!(this+classDef2).collect_coverage (&klass2_glyphs)) return;
+
+    hb_set_t class1_set, class2_set;
+    for (const unsigned cp : + c->glyph_set->iter () | hb_filter (this + coverage))
+    {
+      if (!klass1_glyphs.has (cp)) class1_set.add (0);
+      else
+      {
+        unsigned klass1 = (this+classDef1).get (cp);
+        class1_set.add (klass1);
+      }
+    }
+
+    class2_set.add (0);
+    for (const unsigned cp : + c->glyph_set->iter () | hb_filter (klass2_glyphs))
+    {
+      unsigned klass2 = (this+classDef2).get (cp);
+      class2_set.add (klass2);
+    }
+
+    if (class1_set.is_empty ()
+        || class2_set.is_empty ()
+        || (class2_set.get_population() == 1 && class2_set.has(0)))
+      return;
+
+    unsigned len1 = valueFormat1.get_len ();
+    unsigned len2 = valueFormat2.get_len ();
+    const hb_array_t<const Value> values_array = values.as_array ((unsigned)class1Count * (unsigned) class2Count * (len1 + len2));
+    for (const unsigned class1_idx : class1_set.iter ())
+    {
+      for (const unsigned class2_idx : class2_set.iter ())
+      {
+        unsigned start_offset = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
+        if (valueFormat1.has_device ())
+          valueFormat1.collect_variation_indices (c, this, values_array.sub_array (start_offset, len1));
+
+        if (valueFormat2.has_device ())
+          valueFormat2.collect_variation_indices (c, this, values_array.sub_array (start_offset+len1, len2));
+      }
+    }
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  {
+    if (unlikely (!(this+coverage).collect_coverage (c->input))) return;
+    if (unlikely (!(this+classDef2).collect_coverage (c->input))) return;
+  }
+
+  const Coverage &get_coverage () const { return this+coverage; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (index == NOT_COVERED)) return_trace (false);
+
+    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
+    skippy_iter.reset (buffer->idx, 1);
+    unsigned unsafe_to;
+    if (!skippy_iter.next (&unsafe_to))
+    {
+      buffer->unsafe_to_concat (buffer->idx, unsafe_to);
+      return_trace (false);
+    }
+
+    unsigned int len1 = valueFormat1.get_len ();
+    unsigned int len2 = valueFormat2.get_len ();
+    unsigned int record_len = len1 + len2;
+
+    unsigned int klass1 = (this+classDef1).get_class (buffer->cur().codepoint);
+    unsigned int klass2 = (this+classDef2).get_class (buffer->info[skippy_iter.idx].codepoint);
+    if (unlikely (klass1 >= class1Count || klass2 >= class2Count))
+    {
+      buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1);
+      return_trace (false);
+    }
+
+    const Value *v = &values[record_len * (klass1 * class2Count + klass2)];
+
+    bool applied_first = false, applied_second = false;
+
+
+    /* Isolate simple kerning and apply it half to each side.
+     * Results in better cursor positinoing / underline drawing.
+     *
+     * Disabled, because causes issues... :-(
+     * https://github.com/harfbuzz/harfbuzz/issues/3408
+     * https://github.com/harfbuzz/harfbuzz/pull/3235#issuecomment-1029814978
+     */
+#ifndef HB_SPLIT_KERN
+    if (0)
+#endif
+    {
+      if (!len2)
+      {
+        const hb_direction_t dir = buffer->props.direction;
+        const bool horizontal = HB_DIRECTION_IS_HORIZONTAL (dir);
+        const bool backward = HB_DIRECTION_IS_BACKWARD (dir);
+        unsigned mask = horizontal ? ValueFormat::xAdvance : ValueFormat::yAdvance;
+        if (backward)
+          mask |= mask >> 2; /* Add eg. xPlacement in RTL. */
+        /* Add Devices. */
+        mask |= mask << 4;
+
+        if (valueFormat1 & ~mask)
+          goto bail;
+
+        /* Is simple kern. Apply value on an empty position slot,
+         * then split it between sides. */
+
+        hb_glyph_position_t pos{};
+        if (valueFormat1.apply_value (c, this, v, pos))
+        {
+          hb_position_t *src  = &pos.x_advance;
+          hb_position_t *dst1 = &buffer->cur_pos().x_advance;
+          hb_position_t *dst2 = &buffer->pos[skippy_iter.idx].x_advance;
+          unsigned i = horizontal ? 0 : 1;
+
+          hb_position_t kern  = src[i];
+          hb_position_t kern1 = kern >> 1;
+          hb_position_t kern2 = kern - kern1;
+
+          if (!backward)
+          {
+            dst1[i] += kern1;
+            dst2[i] += kern2;
+            dst2[i + 2] += kern2;
+          }
+          else
+          {
+            dst1[i] += kern1;
+            dst1[i + 2] += src[i + 2] - kern2;
+            dst2[i] += kern2;
+          }
+
+          applied_first = applied_second = kern != 0;
+          goto success;
+        }
+        goto boring;
+      }
+    }
+    bail:
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "try kerning glyphs at %d,%d",
+			  c->buffer->idx, skippy_iter.idx);
+    }
+
+    applied_first = valueFormat1.apply_value (c, this, v, buffer->cur_pos());
+    applied_second = valueFormat2.apply_value (c, this, v + len1, buffer->pos[skippy_iter.idx]);
+
+    if (applied_first || applied_second)
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "kerned glyphs at %d,%d",
+			    c->buffer->idx, skippy_iter.idx);
+      }
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "tried kerning glyphs at %d,%d",
+			  c->buffer->idx, skippy_iter.idx);
+    }
+
+    success:
+    if (applied_first || applied_second)
+      buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1);
+    else
+    boring:
+      buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1);
+
+    if (len2)
+    {
+      skippy_iter.idx++;
+      // https://github.com/harfbuzz/harfbuzz/issues/3824
+      // https://github.com/harfbuzz/harfbuzz/issues/3888#issuecomment-1326781116
+      buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1);
+    }
+
+    buffer->idx = skippy_iter.idx;
+
+    return_trace (true);
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->format = format;
+
+    hb_map_t klass1_map;
+    out->classDef1.serialize_subset (c, classDef1, this, &klass1_map, true, true, &(this + coverage));
+    out->class1Count = klass1_map.get_population ();
+
+    hb_map_t klass2_map;
+    out->classDef2.serialize_subset (c, classDef2, this, &klass2_map, true, false);
+    out->class2Count = klass2_map.get_population ();
+
+    unsigned len1 = valueFormat1.get_len ();
+    unsigned len2 = valueFormat2.get_len ();
+
+    hb_pair_t<unsigned, unsigned> newFormats = hb_pair (valueFormat1, valueFormat2);
+    if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+      newFormats = compute_effective_value_formats (klass1_map, klass2_map);
+
+    out->valueFormat1 = newFormats.first;
+    out->valueFormat2 = newFormats.second;
+
+    if (c->plan->all_axes_pinned)
+    {
+      out->valueFormat1 = out->valueFormat1.drop_device_table_flags ();
+      out->valueFormat2 = out->valueFormat2.drop_device_table_flags ();
+    }
+
+    for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map))
+    {
+      for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map))
+      {
+        unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
+        valueFormat1.copy_values (c->serializer, out->valueFormat1, this, &values[idx], c->plan->layout_variation_idx_delta_map);
+        valueFormat2.copy_values (c->serializer, out->valueFormat2, this, &values[idx + len1], c->plan->layout_variation_idx_delta_map);
+      }
+    }
+
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    auto it =
+    + hb_iter (this+coverage)
+    | hb_filter (glyphset)
+    | hb_map_retains_sorting (glyph_map)
+    ;
+
+    out->coverage.serialize_serialize (c->serializer, it);
+    return_trace (out->class1Count && out->class2Count && bool (it));
+  }
+
+
+  hb_pair_t<unsigned, unsigned> compute_effective_value_formats (const hb_map_t& klass1_map,
+                                                                 const hb_map_t& klass2_map) const
+  {
+    unsigned len1 = valueFormat1.get_len ();
+    unsigned len2 = valueFormat2.get_len ();
+    unsigned record_size = len1 + len2;
+
+    unsigned format1 = 0;
+    unsigned format2 = 0;
+
+    for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map))
+    {
+      for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map))
+      {
+        unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * record_size;
+        format1 = format1 | valueFormat1.get_effective_format (&values[idx]);
+        format2 = format2 | valueFormat2.get_effective_format (&values[idx + len1]);
+      }
+
+      if (format1 == valueFormat1 && format2 == valueFormat2)
+        break;
+    }
+
+    return hb_pair (format1, format2);
+  }
+};
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh
new file mode 100644
index 0000000000..a318f39913
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh
@@ -0,0 +1,203 @@
+#ifndef OT_LAYOUT_GPOS_PAIRSET_HH
+#define OT_LAYOUT_GPOS_PAIRSET_HH
+
+#include "PairValueRecord.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+
+template <typename Types>
+struct PairSet
+{
+  template <typename Types2>
+  friend struct PairPosFormat1_3;
+
+  using PairValueRecord = GPOS_impl::PairValueRecord<Types>;
+
+  protected:
+  HBUINT16              len;    /* Number of PairValueRecords */
+  PairValueRecord       firstPairValueRecord;
+                                /* Array of PairValueRecords--ordered
+                                 * by GlyphID of the second glyph */
+  public:
+  DEFINE_SIZE_MIN (2);
+
+  struct sanitize_closure_t
+  {
+    const ValueFormat *valueFormats;
+    unsigned int len1; /* valueFormats[0].get_len() */
+    unsigned int stride; /* 1 + len1 + len2 */
+  };
+
+  bool sanitize (hb_sanitize_context_t *c, const sanitize_closure_t *closure) const
+  {
+    TRACE_SANITIZE (this);
+    if (!(c->check_struct (this)
+       && c->check_range (&firstPairValueRecord,
+                          len,
+                          HBUINT16::static_size,
+                          closure->stride))) return_trace (false);
+
+    unsigned int count = len;
+    const PairValueRecord *record = &firstPairValueRecord;
+    return_trace (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) &&
+                  closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride));
+  }
+
+  bool intersects (const hb_set_t *glyphs,
+                   const ValueFormat *valueFormats) const
+  {
+    unsigned int len1 = valueFormats[0].get_len ();
+    unsigned int len2 = valueFormats[1].get_len ();
+    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
+
+    const PairValueRecord *record = &firstPairValueRecord;
+    unsigned int count = len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (glyphs->has (record->secondGlyph))
+        return true;
+      record = &StructAtOffset<const PairValueRecord> (record, record_size);
+    }
+    return false;
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c,
+                       const ValueFormat *valueFormats) const
+  {
+    unsigned int len1 = valueFormats[0].get_len ();
+    unsigned int len2 = valueFormats[1].get_len ();
+    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
+
+    const PairValueRecord *record = &firstPairValueRecord;
+    c->input->add_array (&record->secondGlyph, len, record_size);
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  const ValueFormat *valueFormats) const
+  {
+    unsigned len1 = valueFormats[0].get_len ();
+    unsigned len2 = valueFormats[1].get_len ();
+    unsigned record_size = HBUINT16::static_size * (1 + len1 + len2);
+
+    const PairValueRecord *record = &firstPairValueRecord;
+    unsigned count = len;
+    for (unsigned i = 0; i < count; i++)
+    {
+      if (c->glyph_set->has (record->secondGlyph))
+      { record->collect_variation_indices (c, valueFormats, this); }
+
+      record = &StructAtOffset<const PairValueRecord> (record, record_size);
+    }
+  }
+
+  bool apply (hb_ot_apply_context_t *c,
+              const ValueFormat *valueFormats,
+              unsigned int pos) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int len1 = valueFormats[0].get_len ();
+    unsigned int len2 = valueFormats[1].get_len ();
+    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
+
+    const PairValueRecord *record = hb_bsearch (buffer->info[pos].codepoint,
+                                                &firstPairValueRecord,
+                                                len,
+                                                record_size);
+    if (record)
+    {
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "try kerning glyphs at %d,%d",
+			    c->buffer->idx, pos);
+      }
+
+      bool applied_first = valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos());
+      bool applied_second = valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]);
+
+      if (applied_first || applied_second)
+	if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+	{
+	  c->buffer->message (c->font,
+			      "kerned glyphs at %d,%d",
+			      c->buffer->idx, pos);
+	}
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "tried kerning glyphs at %d,%d",
+			    c->buffer->idx, pos);
+      }
+
+      if (applied_first || applied_second)
+        buffer->unsafe_to_break (buffer->idx, pos + 1);
+
+      if (len2)
+      {
+	pos++;
+      // https://github.com/harfbuzz/harfbuzz/issues/3824
+      // https://github.com/harfbuzz/harfbuzz/issues/3888#issuecomment-1326781116
+      buffer->unsafe_to_break (buffer->idx, pos + 1);
+      }
+
+      buffer->idx = pos;
+      return_trace (true);
+    }
+    buffer->unsafe_to_concat (buffer->idx, pos + 1);
+    return_trace (false);
+  }
+
+  bool subset (hb_subset_context_t *c,
+               const ValueFormat valueFormats[2],
+               const ValueFormat newFormats[2]) const
+  {
+    TRACE_SUBSET (this);
+    auto snap = c->serializer->snapshot ();
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+    out->len = 0;
+
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    unsigned len1 = valueFormats[0].get_len ();
+    unsigned len2 = valueFormats[1].get_len ();
+    unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2);
+
+    typename PairValueRecord::context_t context =
+    {
+      this,
+      valueFormats,
+      newFormats,
+      len1,
+      &glyph_map,
+      c->plan->layout_variation_idx_delta_map
+    };
+
+    const PairValueRecord *record = &firstPairValueRecord;
+    unsigned count = len, num = 0;
+    for (unsigned i = 0; i < count; i++)
+    {
+      if (glyphset.has (record->secondGlyph)
+         && record->subset (c, &context)) num++;
+      record = &StructAtOffset<const PairValueRecord> (record, record_size);
+    }
+
+    out->len = num;
+    if (!num) c->serializer->revert (snap);
+    return_trace (num);
+  }
+};
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_PAIRSET_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh
new file mode 100644
index 0000000000..3222477764
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh
@@ -0,0 +1,99 @@
+#ifndef OT_LAYOUT_GPOS_PAIRVALUERECORD_HH
+#define OT_LAYOUT_GPOS_PAIRVALUERECORD_HH
+
+#include "ValueFormat.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+
+template <typename Types>
+struct PairValueRecord
+{
+  template <typename Types2>
+  friend struct PairSet;
+
+  protected:
+  typename Types::HBGlyphID
+	        secondGlyph;            /* GlyphID of second glyph in the
+                                         * pair--first glyph is listed in the
+                                         * Coverage table */
+  ValueRecord   values;                 /* Positioning data for the first glyph
+                                         * followed by for second glyph */
+  public:
+  DEFINE_SIZE_ARRAY (Types::size, values);
+
+  int cmp (hb_codepoint_t k) const
+  { return secondGlyph.cmp (k); }
+
+  struct context_t
+  {
+    const void          *base;
+    const ValueFormat   *valueFormats;
+    const ValueFormat   *newFormats;
+    unsigned            len1; /* valueFormats[0].get_len() */
+    const hb_map_t      *glyph_map;
+    const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map;
+  };
+
+  bool subset (hb_subset_context_t *c,
+               context_t *closure) const
+  {
+    TRACE_SERIALIZE (this);
+    auto *s = c->serializer;
+    auto *out = s->start_embed (*this);
+    if (unlikely (!s->extend_min (out))) return_trace (false);
+
+    out->secondGlyph = (*closure->glyph_map)[secondGlyph];
+
+    closure->valueFormats[0].copy_values (s,
+                                          closure->newFormats[0],
+                                          closure->base, &values[0],
+                                          closure->layout_variation_idx_delta_map);
+    closure->valueFormats[1].copy_values (s,
+                                          closure->newFormats[1],
+                                          closure->base,
+                                          &values[closure->len1],
+                                          closure->layout_variation_idx_delta_map);
+
+    return_trace (true);
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  const ValueFormat *valueFormats,
+                                  const void *base) const
+  {
+    unsigned record1_len = valueFormats[0].get_len ();
+    unsigned record2_len = valueFormats[1].get_len ();
+    const hb_array_t<const Value> values_array = values.as_array (record1_len + record2_len);
+
+    if (valueFormats[0].has_device ())
+      valueFormats[0].collect_variation_indices (c, base, values_array.sub_array (0, record1_len));
+
+    if (valueFormats[1].has_device ())
+      valueFormats[1].collect_variation_indices (c, base, values_array.sub_array (record1_len, record2_len));
+  }
+
+  bool intersects (const hb_set_t& glyphset) const
+  {
+    return glyphset.has(secondGlyph);
+  }
+
+  const Value* get_values_1 () const
+  {
+    return &values[0];
+  }
+
+  const Value* get_values_2 (ValueFormat format1) const
+  {
+    return &values[format1.get_len ()];
+  }
+};
+
+
+}
+}
+}
+
+#endif  // OT_LAYOUT_GPOS_PAIRVALUERECORD_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh
new file mode 100644
index 0000000000..c4e57bb543
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh
@@ -0,0 +1,79 @@
+#ifndef OT_LAYOUT_GPOS_POSLOOKUP_HH
+#define OT_LAYOUT_GPOS_POSLOOKUP_HH
+
+#include "PosLookupSubTable.hh"
+#include "../../../hb-ot-layout-common.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct PosLookup : Lookup
+{
+  using SubTable = PosLookupSubTable;
+
+  const SubTable& get_subtable (unsigned int i) const
+  { return Lookup::get_subtable<SubTable> (i); }
+
+  bool is_reverse () const
+  {
+    return false;
+  }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    return_trace (dispatch (c));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  {
+    hb_intersects_context_t c (glyphs);
+    return dispatch (&c);
+  }
+
+  hb_collect_glyphs_context_t::return_t collect_glyphs (hb_collect_glyphs_context_t *c) const
+  { return dispatch (c); }
+
+  hb_closure_lookups_context_t::return_t closure_lookups (hb_closure_lookups_context_t *c, unsigned this_index) const
+  {
+    if (c->is_lookup_visited (this_index))
+      return hb_closure_lookups_context_t::default_return_value ();
+
+    c->set_lookup_visited (this_index);
+    if (!intersects (c->glyphs))
+    {
+      c->set_lookup_inactive (this_index);
+      return hb_closure_lookups_context_t::default_return_value ();
+    }
+
+    hb_closure_lookups_context_t::return_t ret = dispatch (c);
+    return ret;
+  }
+
+  template <typename set_t>
+  void collect_coverage (set_t *glyphs) const
+  {
+    hb_collect_coverage_context_t<set_t> c (glyphs);
+    dispatch (&c);
+  }
+
+  template <typename context_t>
+  static typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index);
+
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  { return Lookup::dispatch<SubTable> (c, std::forward<Ts> (ds)...); }
+
+  bool subset (hb_subset_context_t *c) const
+  { return Lookup::subset<SubTable> (c); }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  { return Lookup::sanitize<SubTable> (c); }
+};
+
+}
+}
+}
+
+#endif  /* OT_LAYOUT_GPOS_POSLOOKUP_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh
new file mode 100644
index 0000000000..c19fbc323f
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh
@@ -0,0 +1,79 @@
+#ifndef OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH
+#define OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH
+
+#include "SinglePos.hh"
+#include "PairPos.hh"
+#include "CursivePos.hh"
+#include "MarkBasePos.hh"
+#include "MarkLigPos.hh"
+#include "MarkMarkPos.hh"
+#include "ContextPos.hh"
+#include "ChainContextPos.hh"
+#include "ExtensionPos.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct PosLookupSubTable
+{
+  friend struct ::OT::Lookup;
+  friend struct PosLookup;
+
+  enum Type {
+    Single              = 1,
+    Pair                = 2,
+    Cursive             = 3,
+    MarkBase            = 4,
+    MarkLig             = 5,
+    MarkMark            = 6,
+    Context             = 7,
+    ChainContext        = 8,
+    Extension           = 9
+  };
+
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, unsigned int lookup_type, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, lookup_type);
+    switch (lookup_type) {
+    case Single:                return_trace (u.single.dispatch (c, std::forward<Ts> (ds)...));
+    case Pair:                  return_trace (u.pair.dispatch (c, std::forward<Ts> (ds)...));
+    case Cursive:               return_trace (u.cursive.dispatch (c, std::forward<Ts> (ds)...));
+    case MarkBase:              return_trace (u.markBase.dispatch (c, std::forward<Ts> (ds)...));
+    case MarkLig:               return_trace (u.markLig.dispatch (c, std::forward<Ts> (ds)...));
+    case MarkMark:              return_trace (u.markMark.dispatch (c, std::forward<Ts> (ds)...));
+    case Context:               return_trace (u.context.dispatch (c, std::forward<Ts> (ds)...));
+    case ChainContext:          return_trace (u.chainContext.dispatch (c, std::forward<Ts> (ds)...));
+    case Extension:             return_trace (u.extension.dispatch (c, std::forward<Ts> (ds)...));
+    default:                    return_trace (c->default_return_value ());
+    }
+  }
+
+  bool intersects (const hb_set_t *glyphs, unsigned int lookup_type) const
+  {
+    hb_intersects_context_t c (glyphs);
+    return dispatch (&c, lookup_type);
+  }
+
+  protected:
+  union {
+  SinglePos             single;
+  PairPos               pair;
+  CursivePos            cursive;
+  MarkBasePos           markBase;
+  MarkLigPos            markLig;
+  MarkMarkPos           markMark;
+  ContextPos            context;
+  ChainContextPos       chainContext;
+  ExtensionPos          extension;
+  } u;
+  public:
+  DEFINE_SIZE_MIN (0);
+};
+
+}
+}
+}
+
+#endif  /* HB_OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh
new file mode 100644
index 0000000000..6dce3e6343
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh
@@ -0,0 +1,100 @@
+#ifndef OT_LAYOUT_GPOS_SINGLEPOS_HH
+#define OT_LAYOUT_GPOS_SINGLEPOS_HH
+
+#include "SinglePosFormat1.hh"
+#include "SinglePosFormat2.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct SinglePos
+{
+  protected:
+  union {
+  HBUINT16              format;         /* Format identifier */
+  SinglePosFormat1      format1;
+  SinglePosFormat2      format2;
+  } u;
+
+  public:
+  template<typename Iterator,
+           hb_requires (hb_is_iterator (Iterator))>
+  unsigned get_format (Iterator glyph_val_iter_pairs)
+  {
+    hb_array_t<const Value> first_val_iter = hb_second (*glyph_val_iter_pairs);
+
+    for (const auto iter : glyph_val_iter_pairs)
+      for (const auto _ : hb_zip (iter.second, first_val_iter))
+        if (_.first != _.second)
+          return 2;
+
+    return 1;
+  }
+
+  template<typename Iterator,
+      typename SrcLookup,
+      hb_requires (hb_is_iterator (Iterator))>
+  void serialize (hb_serialize_context_t *c,
+                  const SrcLookup* src,
+                  Iterator glyph_val_iter_pairs,
+                  const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+                  bool all_axes_pinned)
+  {
+    if (unlikely (!c->extend_min (u.format))) return;
+    unsigned format = 2;
+    ValueFormat new_format = src->get_value_format ();
+
+    if (all_axes_pinned)
+      new_format = new_format.drop_device_table_flags ();
+
+    if (glyph_val_iter_pairs)
+      format = get_format (glyph_val_iter_pairs);
+
+    u.format = format;
+    switch (u.format) {
+    case 1: u.format1.serialize (c,
+                                 src,
+                                 glyph_val_iter_pairs,
+                                 new_format,
+                                 layout_variation_idx_delta_map);
+      return;
+    case 2: u.format2.serialize (c,
+                                 src,
+                                 glyph_val_iter_pairs,
+                                 new_format,
+                                 layout_variation_idx_delta_map);
+      return;
+    default:return;
+    }
+  }
+
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+    default:return_trace (c->default_return_value ());
+    }
+  }
+};
+
+
+template<typename Iterator, typename SrcLookup>
+static void
+SinglePos_serialize (hb_serialize_context_t *c,
+                     const SrcLookup *src,
+                     Iterator it,
+                     const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+                     bool all_axes_pinned)
+{ c->start_embed<SinglePos> ()->serialize (c, src, it, layout_variation_idx_delta_map, all_axes_pinned); }
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_SINGLEPOS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh
new file mode 100644
index 0000000000..b4c9fc3db0
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh
@@ -0,0 +1,156 @@
+#ifndef OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH
+#define OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH
+
+#include "Common.hh"
+#include "ValueFormat.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct SinglePosFormat1
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 1 */
+  Offset16To<Coverage>
+                coverage;               /* Offset to Coverage table--from
+                                         * beginning of subtable */
+  ValueFormat   valueFormat;            /* Defines the types of data in the
+                                         * ValueRecord */
+  ValueRecord   values;                 /* Defines positioning
+                                         * value(s)--applied to all glyphs in
+                                         * the Coverage table */
+  public:
+  DEFINE_SIZE_ARRAY (6, values);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  coverage.sanitize (c, this) &&
+                  valueFormat.sanitize_value (c, this, values));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  { return (this+coverage).intersects (glyphs); }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    if (!valueFormat.has_device ()) return;
+
+    hb_set_t intersection;
+    (this+coverage).intersect_set (*c->glyph_set, intersection);
+    if (!intersection) return;
+
+    valueFormat.collect_variation_indices (c, this, values.as_array (valueFormat.get_len ()));
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
+
+  const Coverage &get_coverage () const { return this+coverage; }
+
+  ValueFormat get_value_format () const { return valueFormat; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (index == NOT_COVERED)) return_trace (false);
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "positioning glyph at %d",
+			  c->buffer->idx);
+    }
+
+    valueFormat.apply_value (c, this, values, buffer->cur_pos());
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "positioned glyph at %d",
+			  c->buffer->idx);
+    }
+
+    buffer->idx++;
+    return_trace (true);
+  }
+
+  bool
+  position_single (hb_font_t           *font,
+		   hb_direction_t       direction,
+		   hb_codepoint_t       gid,
+		   hb_glyph_position_t &pos) const
+  {
+    unsigned int index = (this+coverage).get_coverage  (gid);
+    if (likely (index == NOT_COVERED)) return false;
+
+    /* This is ugly... */
+    hb_buffer_t buffer;
+    buffer.props.direction = direction;
+    OT::hb_ot_apply_context_t c (1, font, &buffer);
+
+    valueFormat.apply_value (&c, this, values, pos);
+    return true;
+  }
+
+  template<typename Iterator,
+      typename SrcLookup,
+      hb_requires (hb_is_iterator (Iterator))>
+  void serialize (hb_serialize_context_t *c,
+                  const SrcLookup *src,
+                  Iterator it,
+                  ValueFormat newFormat,
+                  const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map)
+  {
+    if (unlikely (!c->extend_min (this))) return;
+    if (unlikely (!c->check_assign (valueFormat,
+                                    newFormat,
+                                    HB_SERIALIZE_ERROR_INT_OVERFLOW))) return;
+
+    for (const hb_array_t<const Value>& _ : + it | hb_map (hb_second))
+    {
+      src->get_value_format ().copy_values (c, newFormat, src,  &_, layout_variation_idx_delta_map);
+      // Only serialize the first entry in the iterator, the rest are assumed to
+      // be the same.
+      break;
+    }
+
+    auto glyphs =
+    + it
+    | hb_map_retains_sorting (hb_first)
+    ;
+
+    coverage.serialize_serialize (c, glyphs);
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    hb_set_t intersection;
+    (this+coverage).intersect_set (glyphset, intersection);
+
+    auto it =
+    + hb_iter (intersection)
+    | hb_map_retains_sorting (glyph_map)
+    | hb_zip (hb_repeat (values.as_array (valueFormat.get_len ())))
+    ;
+
+    bool ret = bool (it);
+    SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_delta_map, c->plan->all_axes_pinned);
+    return_trace (ret);
+  }
+};
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh
new file mode 100644
index 0000000000..c77951156b
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh
@@ -0,0 +1,176 @@
+#ifndef OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH
+#define OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH
+
+#include "Common.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct SinglePosFormat2
+{
+  protected:
+  HBUINT16      format;                 /* Format identifier--format = 2 */
+  Offset16To<Coverage>
+                coverage;               /* Offset to Coverage table--from
+                                         * beginning of subtable */
+  ValueFormat   valueFormat;            /* Defines the types of data in the
+                                         * ValueRecord */
+  HBUINT16      valueCount;             /* Number of ValueRecords */
+  ValueRecord   values;                 /* Array of ValueRecords--positioning
+                                         * values applied to glyphs */
+  public:
+  DEFINE_SIZE_ARRAY (8, values);
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  coverage.sanitize (c, this) &&
+                  valueFormat.sanitize_values (c, this, values, valueCount));
+  }
+
+  bool intersects (const hb_set_t *glyphs) const
+  { return (this+coverage).intersects (glyphs); }
+
+  void closure_lookups (hb_closure_lookups_context_t *c) const {}
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  {
+    if (!valueFormat.has_device ()) return;
+
+    auto it =
+    + hb_zip (this+coverage, hb_range ((unsigned) valueCount))
+    | hb_filter (c->glyph_set, hb_first)
+    ;
+
+    if (!it) return;
+
+    unsigned sub_length = valueFormat.get_len ();
+    const hb_array_t<const Value> values_array = values.as_array (valueCount * sub_length);
+
+    for (unsigned i : + it
+                      | hb_map (hb_second))
+      valueFormat.collect_variation_indices (c, this, values_array.sub_array (i * sub_length, sub_length));
+
+  }
+
+  void collect_glyphs (hb_collect_glyphs_context_t *c) const
+  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
+
+  const Coverage &get_coverage () const { return this+coverage; }
+
+  ValueFormat get_value_format () const { return valueFormat; }
+
+  bool apply (hb_ot_apply_context_t *c) const
+  {
+    TRACE_APPLY (this);
+    hb_buffer_t *buffer = c->buffer;
+    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
+    if (likely (index == NOT_COVERED)) return_trace (false);
+
+    if (unlikely (index >= valueCount)) return_trace (false);
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "positioning glyph at %d",
+			  c->buffer->idx);
+    }
+
+    valueFormat.apply_value (c, this,
+                             &values[index * valueFormat.get_len ()],
+                             buffer->cur_pos());
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "positioned glyph at %d",
+			  c->buffer->idx);
+    }
+
+    buffer->idx++;
+    return_trace (true);
+  }
+
+  bool
+  position_single (hb_font_t           *font,
+		   hb_direction_t       direction,
+		   hb_codepoint_t       gid,
+		   hb_glyph_position_t &pos) const
+  {
+    unsigned int index = (this+coverage).get_coverage  (gid);
+    if (likely (index == NOT_COVERED)) return false;
+    if (unlikely (index >= valueCount)) return false;
+
+    /* This is ugly... */
+    hb_buffer_t buffer;
+    buffer.props.direction = direction;
+    OT::hb_ot_apply_context_t c (1, font, &buffer);
+
+    valueFormat.apply_value (&c, this,
+                             &values[index * valueFormat.get_len ()],
+                             pos);
+    return true;
+  }
+
+
+  template<typename Iterator,
+      typename SrcLookup,
+      hb_requires (hb_is_iterator (Iterator))>
+  void serialize (hb_serialize_context_t *c,
+                  const SrcLookup *src,
+                  Iterator it,
+                  ValueFormat newFormat,
+                  const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map)
+  {
+    auto out = c->extend_min (this);
+    if (unlikely (!out)) return;
+    if (unlikely (!c->check_assign (valueFormat, newFormat, HB_SERIALIZE_ERROR_INT_OVERFLOW))) return;
+    if (unlikely (!c->check_assign (valueCount, it.len (), HB_SERIALIZE_ERROR_ARRAY_OVERFLOW))) return;
+
+    + it
+    | hb_map (hb_second)
+    | hb_apply ([&] (hb_array_t<const Value> _)
+    { src->get_value_format ().copy_values (c, newFormat, src, &_, layout_variation_idx_delta_map); })
+    ;
+
+    auto glyphs =
+    + it
+    | hb_map_retains_sorting (hb_first)
+    ;
+
+    coverage.serialize_serialize (c, glyphs);
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+    const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+    unsigned sub_length = valueFormat.get_len ();
+    auto values_array = values.as_array (valueCount * sub_length);
+
+    auto it =
+    + hb_zip (this+coverage, hb_range ((unsigned) valueCount))
+    | hb_filter (glyphset, hb_first)
+    | hb_map_retains_sorting ([&] (const hb_pair_t<hb_codepoint_t, unsigned>& _)
+                              {
+                                return hb_pair (glyph_map[_.first],
+                                                values_array.sub_array (_.second * sub_length,
+                                                                        sub_length));
+                              })
+    ;
+
+    bool ret = bool (it);
+    SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_delta_map, c->plan->all_axes_pinned);
+    return_trace (ret);
+  }
+};
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh
new file mode 100644
index 0000000000..26a40f01a3
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh
@@ -0,0 +1,394 @@
+#ifndef OT_LAYOUT_GPOS_VALUEFORMAT_HH
+#define OT_LAYOUT_GPOS_VALUEFORMAT_HH
+
+#include "../../../hb-ot-layout-gsubgpos.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+typedef HBUINT16 Value;
+
+typedef UnsizedArrayOf<Value> ValueRecord;
+
+struct ValueFormat : HBUINT16
+{
+  enum Flags {
+    xPlacement  = 0x0001u,      /* Includes horizontal adjustment for placement */
+    yPlacement  = 0x0002u,      /* Includes vertical adjustment for placement */
+    xAdvance    = 0x0004u,      /* Includes horizontal adjustment for advance */
+    yAdvance    = 0x0008u,      /* Includes vertical adjustment for advance */
+    xPlaDevice  = 0x0010u,      /* Includes horizontal Device table for placement */
+    yPlaDevice  = 0x0020u,      /* Includes vertical Device table for placement */
+    xAdvDevice  = 0x0040u,      /* Includes horizontal Device table for advance */
+    yAdvDevice  = 0x0080u,      /* Includes vertical Device table for advance */
+    ignored     = 0x0F00u,      /* Was used in TrueType Open for MM fonts */
+    reserved    = 0xF000u,      /* For future use */
+
+    devices     = 0x00F0u       /* Mask for having any Device table */
+  };
+
+/* All fields are options.  Only those available advance the value pointer. */
+#if 0
+  HBINT16               xPlacement;     /* Horizontal adjustment for
+                                         * placement--in design units */
+  HBINT16               yPlacement;     /* Vertical adjustment for
+                                         * placement--in design units */
+  HBINT16               xAdvance;       /* Horizontal adjustment for
+                                         * advance--in design units (only used
+                                         * for horizontal writing) */
+  HBINT16               yAdvance;       /* Vertical adjustment for advance--in
+                                         * design units (only used for vertical
+                                         * writing) */
+  Offset16To<Device>    xPlaDevice;     /* Offset to Device table for
+                                         * horizontal placement--measured from
+                                         * beginning of PosTable (may be NULL) */
+  Offset16To<Device>    yPlaDevice;     /* Offset to Device table for vertical
+                                         * placement--measured from beginning
+                                         * of PosTable (may be NULL) */
+  Offset16To<Device>    xAdvDevice;     /* Offset to Device table for
+                                         * horizontal advance--measured from
+                                         * beginning of PosTable (may be NULL) */
+  Offset16To<Device>    yAdvDevice;     /* Offset to Device table for vertical
+                                         * advance--measured from beginning of
+                                         * PosTable (may be NULL) */
+#endif
+
+  IntType& operator = (uint16_t i) { v = i; return *this; }
+
+  unsigned int get_len () const  { return hb_popcount ((unsigned int) *this); }
+  unsigned int get_size () const { return get_len () * Value::static_size; }
+
+  hb_vector_t<unsigned> get_device_table_indices () const {
+    unsigned i = 0;
+    hb_vector_t<unsigned> result;
+    unsigned format = *this;
+
+    if (format & xPlacement) i++;
+    if (format & yPlacement) i++;
+    if (format & xAdvance)   i++;
+    if (format & yAdvance)   i++;
+
+    if (format & xPlaDevice) result.push (i++);
+    if (format & yPlaDevice) result.push (i++);
+    if (format & xAdvDevice) result.push (i++);
+    if (format & yAdvDevice) result.push (i++);
+
+    return result;
+  }
+
+  bool apply_value (hb_ot_apply_context_t *c,
+                    const void            *base,
+                    const Value           *values,
+                    hb_glyph_position_t   &glyph_pos) const
+  {
+    bool ret = false;
+    unsigned int format = *this;
+    if (!format) return ret;
+
+    hb_font_t *font = c->font;
+    bool horizontal =
+#ifndef HB_NO_VERTICAL
+      HB_DIRECTION_IS_HORIZONTAL (c->direction)
+#else
+      true
+#endif
+      ;
+
+    if (format & xPlacement) glyph_pos.x_offset  += font->em_scale_x (get_short (values++, &ret));
+    if (format & yPlacement) glyph_pos.y_offset  += font->em_scale_y (get_short (values++, &ret));
+    if (format & xAdvance) {
+      if (likely (horizontal)) glyph_pos.x_advance += font->em_scale_x (get_short (values, &ret));
+      values++;
+    }
+    /* y_advance values grow downward but font-space grows upward, hence negation */
+    if (format & yAdvance) {
+      if (unlikely (!horizontal)) glyph_pos.y_advance -= font->em_scale_y (get_short (values, &ret));
+      values++;
+    }
+
+    if (!has_device ()) return ret;
+
+    bool use_x_device = font->x_ppem || font->num_coords;
+    bool use_y_device = font->y_ppem || font->num_coords;
+
+    if (!use_x_device && !use_y_device) return ret;
+
+    const VariationStore &store = c->var_store;
+    auto *cache = c->var_store_cache;
+
+    /* pixel -> fractional pixel */
+    if (format & xPlaDevice) {
+      if (use_x_device) glyph_pos.x_offset  += (base + get_device (values, &ret)).get_x_delta (font, store, cache);
+      values++;
+    }
+    if (format & yPlaDevice) {
+      if (use_y_device) glyph_pos.y_offset  += (base + get_device (values, &ret)).get_y_delta (font, store, cache);
+      values++;
+    }
+    if (format & xAdvDevice) {
+      if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values, &ret)).get_x_delta (font, store, cache);
+      values++;
+    }
+    if (format & yAdvDevice) {
+      /* y_advance values grow downward but font-space grows upward, hence negation */
+      if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values, &ret)).get_y_delta (font, store, cache);
+      values++;
+    }
+    return ret;
+  }
+
+  unsigned int get_effective_format (const Value *values) const
+  {
+    unsigned int format = *this;
+    for (unsigned flag = xPlacement; flag <= yAdvDevice; flag = flag << 1) {
+      if (format & flag) should_drop (*values++, (Flags) flag, &format);
+    }
+
+    return format;
+  }
+
+  template<typename Iterator,
+      hb_requires (hb_is_iterator (Iterator))>
+  unsigned int get_effective_format (Iterator it) const {
+    unsigned int new_format = 0;
+
+    for (const hb_array_t<const Value>& values : it)
+      new_format = new_format | get_effective_format (&values);
+
+    return new_format;
+  }
+
+  void copy_values (hb_serialize_context_t *c,
+                    unsigned int new_format,
+                    const void *base,
+                    const Value *values,
+                    const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map) const
+  {
+    unsigned int format = *this;
+    if (!format) return;
+
+    HBINT16 *x_placement = nullptr, *y_placement = nullptr, *x_adv = nullptr, *y_adv = nullptr;
+    if (format & xPlacement) x_placement = copy_value (c, new_format, xPlacement, *values++);
+    if (format & yPlacement) y_placement = copy_value (c, new_format, yPlacement, *values++);
+    if (format & xAdvance)   x_adv = copy_value (c, new_format, xAdvance, *values++);
+    if (format & yAdvance)   y_adv = copy_value (c, new_format, yAdvance, *values++);
+
+    if (format & xPlaDevice)
+    {
+      add_delta_to_value (x_placement, base, values, layout_variation_idx_delta_map);
+      copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, xPlaDevice);
+    }
+
+    if (format & yPlaDevice)
+    {
+      add_delta_to_value (y_placement, base, values, layout_variation_idx_delta_map);
+      copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, yPlaDevice);
+    }
+
+    if (format & xAdvDevice)
+    {
+      add_delta_to_value (x_adv, base, values, layout_variation_idx_delta_map);
+      copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, xAdvDevice);
+    }
+
+    if (format & yAdvDevice)
+    {
+      add_delta_to_value (y_adv, base, values, layout_variation_idx_delta_map);
+      copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, yAdvDevice);
+    }
+  }
+
+  HBINT16* copy_value (hb_serialize_context_t *c,
+                       unsigned int new_format,
+                       Flags flag,
+                       Value value) const
+  {
+    // Filter by new format.
+    if (!(new_format & flag)) return nullptr;
+    return reinterpret_cast<HBINT16 *> (c->copy (value));
+  }
+
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
+                                  const void *base,
+                                  const hb_array_t<const Value>& values) const
+  {
+    unsigned format = *this;
+    unsigned i = 0;
+    if (format & xPlacement) i++;
+    if (format & yPlacement) i++;
+    if (format & xAdvance) i++;
+    if (format & yAdvance) i++;
+    if (format & xPlaDevice)
+    {
+      (base + get_device (&(values[i]))).collect_variation_indices (c);
+      i++;
+    }
+
+    if (format & ValueFormat::yPlaDevice)
+    {
+      (base + get_device (&(values[i]))).collect_variation_indices (c);
+      i++;
+    }
+
+    if (format & ValueFormat::xAdvDevice)
+    {
+
+      (base + get_device (&(values[i]))).collect_variation_indices (c);
+      i++;
+    }
+
+    if (format & ValueFormat::yAdvDevice)
+    {
+
+      (base + get_device (&(values[i]))).collect_variation_indices (c);
+      i++;
+    }
+  }
+
+  unsigned drop_device_table_flags () const
+  {
+    unsigned format = *this;
+    for (unsigned flag = xPlaDevice; flag <= yAdvDevice; flag = flag << 1)
+      format = format & ~flag;
+
+    return format;
+  }
+
+  private:
+  bool sanitize_value_devices (hb_sanitize_context_t *c, const void *base, const Value *values) const
+  {
+    unsigned int format = *this;
+
+    if (format & xPlacement) values++;
+    if (format & yPlacement) values++;
+    if (format & xAdvance)   values++;
+    if (format & yAdvance)   values++;
+
+    if ((format & xPlaDevice) && !get_device (values++).sanitize (c, base)) return false;
+    if ((format & yPlaDevice) && !get_device (values++).sanitize (c, base)) return false;
+    if ((format & xAdvDevice) && !get_device (values++).sanitize (c, base)) return false;
+    if ((format & yAdvDevice) && !get_device (values++).sanitize (c, base)) return false;
+
+    return true;
+  }
+
+  static inline Offset16To<Device>& get_device (Value* value)
+  {
+    return *static_cast<Offset16To<Device> *> (value);
+  }
+  static inline const Offset16To<Device>& get_device (const Value* value, bool *worked=nullptr)
+  {
+    if (worked) *worked |= bool (*value);
+    return *static_cast<const Offset16To<Device> *> (value);
+  }
+
+  void add_delta_to_value (HBINT16 *value,
+                           const void *base,
+                           const Value *src_value,
+                           const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map) const
+  {
+    if (!value) return;
+    unsigned varidx = (base + get_device (src_value)).get_variation_index ();
+    hb_pair_t<unsigned, int> *varidx_delta;
+    if (!layout_variation_idx_delta_map->has (varidx, &varidx_delta)) return;
+
+    *value += hb_second (*varidx_delta);
+  }
+
+  bool copy_device (hb_serialize_context_t *c, const void *base,
+                    const Value *src_value,
+                    const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+                    unsigned int new_format, Flags flag) const
+  {
+    // Filter by new format.
+    if (!(new_format & flag)) return true;
+
+    Value       *dst_value = c->copy (*src_value);
+
+    if (!dst_value) return false;
+    if (*dst_value == 0) return true;
+
+    *dst_value = 0;
+    c->push ();
+    if ((base + get_device (src_value)).copy (c, layout_variation_idx_delta_map))
+    {
+      c->add_link (*dst_value, c->pop_pack ());
+      return true;
+    }
+    else
+    {
+      c->pop_discard ();
+      return false;
+    }
+  }
+
+  static inline const HBINT16& get_short (const Value* value, bool *worked=nullptr)
+  {
+    if (worked) *worked |= bool (*value);
+    return *reinterpret_cast<const HBINT16 *> (value);
+  }
+
+  public:
+
+  bool has_device () const
+  {
+    unsigned int format = *this;
+    return (format & devices) != 0;
+  }
+
+  bool sanitize_value (hb_sanitize_context_t *c, const void *base, const Value *values) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_range (values, get_size ()) && (!has_device () || sanitize_value_devices (c, base, values)));
+  }
+
+  bool sanitize_values (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count) const
+  {
+    TRACE_SANITIZE (this);
+    unsigned int len = get_len ();
+
+    if (!c->check_range (values, count, get_size ())) return_trace (false);
+
+    if (!has_device ()) return_trace (true);
+
+    for (unsigned int i = 0; i < count; i++) {
+      if (!sanitize_value_devices (c, base, values))
+        return_trace (false);
+      values += len;
+    }
+
+    return_trace (true);
+  }
+
+  /* Just sanitize referenced Device tables.  Doesn't check the values themselves. */
+  bool sanitize_values_stride_unsafe (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count, unsigned int stride) const
+  {
+    TRACE_SANITIZE (this);
+
+    if (!has_device ()) return_trace (true);
+
+    for (unsigned int i = 0; i < count; i++) {
+      if (!sanitize_value_devices (c, base, values))
+        return_trace (false);
+      values += stride;
+    }
+
+    return_trace (true);
+  }
+
+ private:
+
+  void should_drop (Value value, Flags flag, unsigned int* format) const
+  {
+    if (value) return;
+    *format = *format & ~flag;
+  }
+
+};
+
+}
+}
+}
+
+#endif  // #ifndef OT_LAYOUT_GPOS_VALUEFORMAT_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh
index 484f347468..6c50c9717a 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh
@@ -5,12 +5,13 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
+template <typename Types>
 struct AlternateSet
 {
   protected:
-  Array16Of<HBGlyphID16>
+  Array16Of<typename Types::HBGlyphID>
                 alternates;             /* Array of alternate GlyphIDs--in
                                          * arbitrary order */
   public:
@@ -56,8 +57,23 @@ struct AlternateSet
 
     if (unlikely (alt_index > count || alt_index == 0)) return_trace (false);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "replacing glyph at %d (alternate substitution)",
+			  c->buffer->idx);
+    }
+
     c->replace_glyph (alternates[alt_index - 1]);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "replaced glyph at %d (alternate substitution)",
+			  c->buffer->idx - 1);
+    }
+
     return_trace (true);
   }
 
@@ -68,7 +84,7 @@ struct AlternateSet
   {
     if (alternates.len && alternate_count)
     {
-      + alternates.sub_array (start_offset, alternate_count)
+      + alternates.as_array ().sub_array (start_offset, alternate_count)
       | hb_sink (hb_array (alternate_glyphs, *alternate_count))
       ;
     }
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh
index e5d999261f..9d7cd6fddf 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh
@@ -6,14 +6,17 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct AlternateSubst
 {
   protected:
   union {
-  HBUINT16              format;         /* Format identifier */
-  AlternateSubstFormat1 format1;
+  HBUINT16				format;         /* Format identifier */
+  AlternateSubstFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  AlternateSubstFormat1_2<MediumTypes>	format2;
+#endif
   } u;
   public:
 
@@ -24,10 +27,15 @@ struct AlternateSubst
     if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
     switch (u.format) {
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
 
+  /* TODO This function is unused and not updated to 24bit GIDs. Should be done by using
+   * iterators. While at it perhaps using iterator of arrays of hb_codepoint_t instead. */
   bool serialize (hb_serialize_context_t *c,
                   hb_sorted_array_t<const HBGlyphID16> glyphs,
                   hb_array_t<const unsigned int> alternate_len_list,
@@ -42,6 +50,9 @@ struct AlternateSubst
     default:return_trace (false);
     }
   }
+
+  /* TODO subset() should choose format. */
+
 };
 
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh
index af1cd7bedb..adec65d586 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh
@@ -6,20 +6,21 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
-struct AlternateSubstFormat1
+template <typename Types>
+struct AlternateSubstFormat1_2
 {
   protected:
   HBUINT16      format;                 /* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of Substitution table */
-  Array16OfOffset16To<AlternateSet>
+  Array16Of<typename Types::template OffsetTo<AlternateSet<Types>>>
                 alternateSet;           /* Array of AlternateSet tables
                                          * ordered by Coverage Index */
   public:
-  DEFINE_SIZE_ARRAY (6, alternateSet);
+  DEFINE_SIZE_ARRAY (2 + 2 * Types::size, alternateSet);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -39,9 +40,8 @@ struct AlternateSubstFormat1
     | hb_filter (c->parent_active_glyphs (), hb_first)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const AlternateSet &_) { _.closure (c); })
+    | hb_apply ([c] (const AlternateSet<Types> &_) { _.closure (c); })
     ;
-
   }
 
   void closure_lookups (hb_closure_lookups_context_t *c) const {}
@@ -52,7 +52,7 @@ struct AlternateSubstFormat1
     + hb_zip (this+coverage, alternateSet)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const AlternateSet &_) { _.collect_glyphs (c); })
+    | hb_apply ([c] (const AlternateSet<Types> &_) { _.collect_glyphs (c); })
     ;
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh
index bbb88b222f..08fd779f73 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh
@@ -7,7 +7,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct ChainContextSubst : ChainContext {};
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh
index f4c78a9f02..968bba0481 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh
@@ -6,7 +6,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> hb_codepoint_pair_t;
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh
index 2af54e8ff4..9f8cb46b5e 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh
@@ -7,7 +7,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct ContextSubst : Context {};
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh
index 40a3ff439f..831a7dfa2d 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh
@@ -7,7 +7,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct ExtensionSubst : Extension<ExtensionSubst>
 {
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh
index ad153ce8d7..900cf603e4 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh
@@ -1,16 +1,15 @@
 #ifndef OT_LAYOUT_GSUB_GSUB_HH
 #define OT_LAYOUT_GSUB_GSUB_HH
 
-// TODO(garretrieger): move to new layout.
 #include "../../../hb-ot-layout-gsubgpos.hh"
 #include "Common.hh"
 #include "SubstLookup.hh"
 
-using OT::Layout::GSUB::SubstLookup;
-
 namespace OT {
+
+using Layout::GSUB_impl::SubstLookup;
+
 namespace Layout {
-namespace GSUB {
 
 /*
  * GSUB -- Glyph Substitution
@@ -19,6 +18,8 @@ namespace GSUB {
 
 struct GSUB : GSUBGPOS
 {
+  using Lookup = SubstLookup;
+
   static constexpr hb_tag_t tableTag = HB_OT_TAG_GSUB;
 
   const SubstLookup& get_lookup (unsigned int i) const
@@ -26,12 +27,15 @@ struct GSUB : GSUBGPOS
 
   bool subset (hb_subset_context_t *c) const
   {
-    hb_subset_layout_context_t l (c, tableTag, c->plan->gsub_lookups, c->plan->gsub_langsys, c->plan->gsub_features);
+    hb_subset_layout_context_t l (c, tableTag);
     return GSUBGPOS::subset<SubstLookup> (&l);
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
-  { return GSUBGPOS::sanitize<SubstLookup> (c); }
+  {
+    TRACE_SANITIZE (this);
+    return_trace (GSUBGPOS::sanitize<SubstLookup> (c));
+  }
 
   HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
                                    hb_face_t *face) const;
@@ -46,10 +50,9 @@ struct GSUB : GSUBGPOS
 
 
 }
-}
 
-struct GSUB_accelerator_t : Layout::GSUB::GSUB::accelerator_t {
-  GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::GSUB::accelerator_t (face) {}
+struct GSUB_accelerator_t : Layout::GSUB::accelerator_t {
+  GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::accelerator_t (face) {}
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh
index 0448d925d1..cdb35f525b 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh
@@ -5,18 +5,20 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
+template <typename Types>
 struct Ligature
 {
   protected:
-  HBGlyphID16   ligGlyph;               /* GlyphID of ligature to substitute */
-  HeadlessArrayOf<HBGlyphID16>
-                component;              /* Array of component GlyphIDs--start
+  typename Types::HBGlyphID
+		ligGlyph;               /* GlyphID of ligature to substitute */
+  HeadlessArrayOf<typename Types::HBGlyphID>
+		component;              /* Array of component GlyphIDs--start
                                          * with the second  component--ordered
                                          * in writing direction */
   public:
-  DEFINE_SIZE_ARRAY (4, component);
+  DEFINE_SIZE_ARRAY (Types::size + 2, component);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -62,7 +64,24 @@ struct Ligature
      * as a "ligated" substitution. */
     if (unlikely (count == 1))
     {
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->sync_so_far ();
+	c->buffer->message (c->font,
+			    "replacing glyph at %d (ligature substitution)",
+			    c->buffer->idx);
+      }
+
       c->replace_glyph (ligGlyph);
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "replaced glyph at %d (ligature substitution)",
+			    c->buffer->idx - 1);
+      }
+
       return_trace (true);
     }
 
@@ -83,6 +102,31 @@ struct Ligature
       return_trace (false);
     }
 
+    unsigned pos = 0;
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      unsigned delta = c->buffer->sync_so_far ();
+
+      pos = c->buffer->idx;
+
+      char buf[HB_MAX_CONTEXT_LENGTH * 16] = {0};
+      char *p = buf;
+
+      match_end += delta;
+      for (unsigned i = 0; i < count; i++)
+      {
+	match_positions[i] += delta;
+	if (i)
+	  *p++ = ',';
+	snprintf (p, sizeof(buf) - (p - buf), "%u", match_positions[i]);
+	p += strlen(p);
+      }
+
+      c->buffer->message (c->font,
+			  "ligating glyphs at %s",
+			  buf);
+    }
+
     ligate_input (c,
                   count,
                   match_positions,
@@ -90,6 +134,14 @@ struct Ligature
                   ligGlyph,
                   total_component_count);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "ligated glyph at %d",
+			  pos);
+    }
+
     return_trace (true);
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh
index 185b324b35..637cec7137 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh
@@ -6,12 +6,13 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
+template <typename Types>
 struct LigatureSet
 {
   protected:
-  Array16OfOffset16To<Ligature>
+  Array16OfOffset16To<Ligature<Types>>
                 ligature;               /* Array LigatureSet tables
                                          * ordered by preference */
   public:
@@ -28,7 +29,7 @@ struct LigatureSet
     return
     + hb_iter (ligature)
     | hb_map (hb_add (this))
-    | hb_map ([glyphs] (const Ligature &_) { return _.intersects (glyphs); })
+    | hb_map ([glyphs] (const Ligature<Types> &_) { return _.intersects (glyphs); })
     | hb_any
     ;
   }
@@ -37,7 +38,7 @@ struct LigatureSet
   {
     + hb_iter (ligature)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const Ligature &_) { _.closure (c); })
+    | hb_apply ([c] (const Ligature<Types> &_) { _.closure (c); })
     ;
   }
 
@@ -45,7 +46,7 @@ struct LigatureSet
   {
     + hb_iter (ligature)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const Ligature &_) { _.collect_glyphs (c); })
+    | hb_apply ([c] (const Ligature<Types> &_) { _.collect_glyphs (c); })
     ;
   }
 
@@ -54,7 +55,7 @@ struct LigatureSet
     return
     + hb_iter (ligature)
     | hb_map (hb_add (this))
-    | hb_map ([c] (const Ligature &_) { return _.would_apply (c); })
+    | hb_map ([c] (const Ligature<Types> &_) { return _.would_apply (c); })
     | hb_any
     ;
   }
@@ -65,7 +66,7 @@ struct LigatureSet
     unsigned int num_ligs = ligature.len;
     for (unsigned int i = 0; i < num_ligs; i++)
     {
-      const Ligature &lig = this+ligature[i];
+      const auto &lig = this+ligature[i];
       if (lig.apply (c)) return_trace (true);
     }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh
index a029bf5e9f..7ba19e844c 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh
@@ -6,14 +6,17 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct LigatureSubst
 {
   protected:
   union {
-  HBUINT16              format;         /* Format identifier */
-  LigatureSubstFormat1  format1;
+  HBUINT16				format;         /* Format identifier */
+  LigatureSubstFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  LigatureSubstFormat1_2<MediumTypes>	format2;
+#endif
   } u;
 
   public:
@@ -24,10 +27,16 @@ struct LigatureSubst
     if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
     switch (u.format) {
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
 
+  /* TODO This function is only used by small GIDs, and not updated to 24bit GIDs. Should
+   * be done by using iterators. While at it perhaps using iterator of arrays of hb_codepoint_t
+   * instead. */
   bool serialize (hb_serialize_context_t *c,
                   hb_sorted_array_t<const HBGlyphID16> first_glyphs,
                   hb_array_t<const unsigned int> ligature_per_first_glyph_count_list,
@@ -49,6 +58,9 @@ struct LigatureSubst
     default:return_trace (false);
     }
   }
+
+  /* TODO subset() should choose format. */
+
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh
index 19dfe98469..32b642c38a 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh
@@ -6,20 +6,21 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
-struct LigatureSubstFormat1
+template <typename Types>
+struct LigatureSubstFormat1_2
 {
   protected:
   HBUINT16      format;                 /* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of Substitution table */
-  Array16OfOffset16To<LigatureSet>
+  Array16Of<typename Types::template OffsetTo<LigatureSet<Types>>>
                 ligatureSet;            /* Array LigatureSet tables
                                          * ordered by Coverage Index */
   public:
-  DEFINE_SIZE_ARRAY (6, ligatureSet);
+  DEFINE_SIZE_ARRAY (4 + Types::size, ligatureSet);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -33,7 +34,7 @@ struct LigatureSubstFormat1
     + hb_zip (this+coverage, ligatureSet)
     | hb_filter (*glyphs, hb_first)
     | hb_map (hb_second)
-    | hb_map ([this, glyphs] (const Offset16To<LigatureSet> &_)
+    | hb_map ([this, glyphs] (const typename Types::template OffsetTo<LigatureSet<Types>> &_)
               { return (this+_).intersects (glyphs); })
     | hb_any
     ;
@@ -48,7 +49,7 @@ struct LigatureSubstFormat1
     | hb_filter (c->parent_active_glyphs (), hb_first)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const LigatureSet &_) { _.closure (c); })
+    | hb_apply ([c] (const LigatureSet<Types> &_) { _.closure (c); })
     ;
 
   }
@@ -62,7 +63,7 @@ struct LigatureSubstFormat1
     + hb_zip (this+coverage, ligatureSet)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const LigatureSet &_) { _.collect_glyphs (c); })
+    | hb_apply ([c] (const LigatureSet<Types> &_) { _.collect_glyphs (c); })
     ;
   }
 
@@ -73,7 +74,7 @@ struct LigatureSubstFormat1
     unsigned int index = (this+coverage).get_coverage (c->glyphs[0]);
     if (likely (index == NOT_COVERED)) return false;
 
-    const LigatureSet &lig_set = this+ligatureSet[index];
+    const auto &lig_set = this+ligatureSet[index];
     return lig_set.would_apply (c);
   }
 
@@ -84,7 +85,7 @@ struct LigatureSubstFormat1
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur ().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    const LigatureSet &lig_set = this+ligatureSet[index];
+    const auto &lig_set = this+ligatureSet[index];
     return_trace (lig_set.apply (c));
   }
 
@@ -128,7 +129,7 @@ struct LigatureSubstFormat1
     hb_set_t new_coverage;
     + hb_zip (this+coverage, hb_iter (ligatureSet) | hb_map (hb_add (this)))
     | hb_filter (glyphset, hb_first)
-    | hb_filter ([&] (const LigatureSet& _) {
+    | hb_filter ([&] (const LigatureSet<Types>& _) {
       return _.intersects (&glyphset);
     }, hb_second)
     | hb_map (hb_first)
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh
index b289175504..95710ed2be 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh
@@ -6,14 +6,17 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct MultipleSubst
 {
   protected:
   union {
-  HBUINT16              format;         /* Format identifier */
-  MultipleSubstFormat1  format1;
+  HBUINT16				format;         /* Format identifier */
+  MultipleSubstFormat1_2<SmallTypes>	format1;
+#ifndef HB_NO_BEYOND_64K
+  MultipleSubstFormat1_2<MediumTypes>	format2;
+#endif
   } u;
 
   public:
@@ -25,24 +28,30 @@ struct MultipleSubst
     if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
     switch (u.format) {
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
 
+  template<typename Iterator,
+           hb_requires (hb_is_sorted_iterator (Iterator))>
   bool serialize (hb_serialize_context_t *c,
-                  hb_sorted_array_t<const HBGlyphID16> glyphs,
-                  hb_array_t<const unsigned int> substitute_len_list,
-                  hb_array_t<const HBGlyphID16> substitute_glyphs_list)
+		  Iterator it)
   {
     TRACE_SERIALIZE (this);
     if (unlikely (!c->extend_min (u.format))) return_trace (false);
     unsigned int format = 1;
     u.format = format;
     switch (u.format) {
-    case 1: return_trace (u.format1.serialize (c, glyphs, substitute_len_list, substitute_glyphs_list));
+    case 1: return_trace (u.format1.serialize (c, it));
     default:return_trace (false);
     }
   }
+
+  /* TODO subset() should choose format. */
+
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh
index 54c6dc8478..3b4bd11694 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh
@@ -6,20 +6,21 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
-struct MultipleSubstFormat1
+template <typename Types>
+struct MultipleSubstFormat1_2
 {
   protected:
   HBUINT16      format;                 /* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of Substitution table */
-  Array16OfOffset16To<Sequence>
+  Array16Of<typename Types::template OffsetTo<Sequence<Types>>>
                 sequence;               /* Array of Sequence tables
                                          * ordered by Coverage Index */
   public:
-  DEFINE_SIZE_ARRAY (6, sequence);
+  DEFINE_SIZE_ARRAY (4 + Types::size, sequence);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -39,7 +40,7 @@ struct MultipleSubstFormat1
     | hb_filter (c->parent_active_glyphs (), hb_first)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const Sequence &_) { _.closure (c); })
+    | hb_apply ([c] (const Sequence<Types> &_) { _.closure (c); })
     ;
   }
 
@@ -51,7 +52,7 @@ struct MultipleSubstFormat1
     + hb_zip (this+coverage, sequence)
     | hb_map (hb_second)
     | hb_map (hb_add (this))
-    | hb_apply ([c] (const Sequence &_) { _.collect_glyphs (c); })
+    | hb_apply ([c] (const Sequence<Types> &_) { _.collect_glyphs (c); })
     ;
   }
 
@@ -70,22 +71,31 @@ struct MultipleSubstFormat1
     return_trace ((this+sequence[index]).apply (c));
   }
 
+  template<typename Iterator,
+           hb_requires (hb_is_sorted_iterator (Iterator))>
   bool serialize (hb_serialize_context_t *c,
-                  hb_sorted_array_t<const HBGlyphID16> glyphs,
-                  hb_array_t<const unsigned int> substitute_len_list,
-                  hb_array_t<const HBGlyphID16> substitute_glyphs_list)
+		  Iterator it)
   {
     TRACE_SERIALIZE (this);
+    auto sequences =
+      + it
+      | hb_map (hb_second)
+      ;
+    auto glyphs =
+      + it
+      | hb_map_retains_sorting (hb_first)
+      ;
     if (unlikely (!c->extend_min (this))) return_trace (false);
-    if (unlikely (!sequence.serialize (c, glyphs.length))) return_trace (false);
-    for (unsigned int i = 0; i < glyphs.length; i++)
+
+    if (unlikely (!sequence.serialize (c, sequences.length))) return_trace (false);
+
+    for (auto& pair : hb_zip (sequences, sequence))
     {
-      unsigned int substitute_len = substitute_len_list[i];
-      if (unlikely (!sequence[i]
-                        .serialize_serialize (c, substitute_glyphs_list.sub_array (0, substitute_len))))
+      if (unlikely (!pair.second
+		    .serialize_serialize (c, pair.first)))
         return_trace (false);
-      substitute_glyphs_list += substitute_len;
     }
+
     return_trace (coverage.serialize_serialize (c, glyphs));
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh
index 435d80fd31..48e208efb9 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh
@@ -6,7 +6,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct ReverseChainSingleSubst
 {
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh
index 7a79a9df25..a23e92028e 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh
@@ -5,7 +5,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct ReverseChainSingleSubstFormat1
 {
@@ -33,10 +33,10 @@ struct ReverseChainSingleSubstFormat1
     TRACE_SANITIZE (this);
     if (!(coverage.sanitize (c, this) && backtrack.sanitize (c, this)))
       return_trace (false);
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
     if (!lookahead.sanitize (c, this))
       return_trace (false);
-    const Array16Of<HBGlyphID16> &substitute = StructAfter<Array16Of<HBGlyphID16>> (lookahead);
+    const auto &substitute = StructAfter<decltype (substituteX)> (lookahead);
     return_trace (substitute.sanitize (c));
   }
 
@@ -45,7 +45,7 @@ struct ReverseChainSingleSubstFormat1
     if (!(this+coverage).intersects (glyphs))
       return false;
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
 
     unsigned int count;
 
@@ -69,8 +69,8 @@ struct ReverseChainSingleSubstFormat1
   {
     if (!intersects (c->glyphs)) return;
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
-    const Array16Of<HBGlyphID16> &substitute = StructAfter<Array16Of<HBGlyphID16>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
+    const auto &substitute = StructAfter<decltype (substituteX)> (lookahead);
 
     + hb_zip (this+coverage, substitute)
     | hb_filter (c->parent_active_glyphs (), hb_first)
@@ -91,12 +91,12 @@ struct ReverseChainSingleSubstFormat1
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!(this+backtrack[i]).collect_coverage (c->before))) return;
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
     count = lookahead.len;
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!(this+lookahead[i]).collect_coverage (c->after))) return;
 
-    const Array16Of<HBGlyphID16> &substitute = StructAfter<Array16Of<HBGlyphID16>> (lookahead);
+    const auto &substitute = StructAfter<decltype (substituteX)> (lookahead);
     count = substitute.len;
     c->output->add_array (substitute.arrayZ, substitute.len);
   }
@@ -115,8 +115,8 @@ struct ReverseChainSingleSubstFormat1
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur ().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
-    const Array16Of<HBGlyphID16> &substitute = StructAfter<Array16Of<HBGlyphID16>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
+    const auto &substitute = StructAfter<decltype (substituteX)> (lookahead);
 
     if (unlikely (index >= substitute.len)) return_trace (false);
 
@@ -131,7 +131,23 @@ struct ReverseChainSingleSubstFormat1
                          c->buffer->idx + 1, &end_index))
     {
       c->buffer->unsafe_to_break_from_outbuffer (start_index, end_index);
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "replacing glyph at %d (reverse chaining substitution)",
+			    c->buffer->idx);
+      }
+
       c->replace_glyph_inplace (substitute[index]);
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "replaced glyph at %d (reverse chaining substitution)",
+			    c->buffer->idx);
+      }
+
       /* Note: We DON'T decrease buffer->idx.  The main loop does it
        * for us.  This is useful for preventing surprises if someone
        * calls us through a Context lookup. */
@@ -206,8 +222,8 @@ struct ReverseChainSingleSubstFormat1
     const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
     const hb_map_t &glyph_map = *c->plan->glyph_map;
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
-    const Array16Of<HBGlyphID16> &substitute = StructAfter<Array16Of<HBGlyphID16>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (backtrack);
+    const auto &substitute = StructAfter<decltype (substituteX)> (lookahead);
 
     auto it =
     + hb_zip (this+coverage, substitute)
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh
index ebd451e6ba..e2190078b8 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh
@@ -5,12 +5,13 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
+template <typename Types>
 struct Sequence
 {
   protected:
-  Array16Of<HBGlyphID16>
+  Array16Of<typename Types::HBGlyphID>
                 substitute;             /* String of GlyphIDs to substitute */
   public:
   DEFINE_SIZE_ARRAY (2, substitute);
@@ -39,17 +40,58 @@ struct Sequence
      * as a "multiplied" substitution. */
     if (unlikely (count == 1))
     {
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->sync_so_far ();
+	c->buffer->message (c->font,
+			    "replacing glyph at %d (multiple substitution)",
+			    c->buffer->idx);
+      }
+
       c->replace_glyph (substitute.arrayZ[0]);
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->message (c->font,
+			    "replaced glyph at %d (multiple subtitution)",
+			    c->buffer->idx - 1);
+      }
+
       return_trace (true);
     }
     /* Spec disallows this, but Uniscribe allows it.
      * https://github.com/harfbuzz/harfbuzz/issues/253 */
     else if (unlikely (count == 0))
     {
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->sync_so_far ();
+	c->buffer->message (c->font,
+			    "deleting glyph at %d (multiple substitution)",
+			    c->buffer->idx);
+      }
+
       c->buffer->delete_glyph ();
+
+      if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+      {
+	c->buffer->sync_so_far ();
+	c->buffer->message (c->font,
+			    "deleted glyph at %d (multiple substitution)",
+			    c->buffer->idx);
+      }
+
       return_trace (true);
     }
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "multiplying glyph at %d",
+			  c->buffer->idx);
+    }
+
     unsigned int klass = _hb_glyph_info_is_ligature (&c->buffer->cur()) ?
                          HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH : 0;
     unsigned lig_id = _hb_glyph_info_get_lig_id (&c->buffer->cur());
@@ -64,6 +106,26 @@ struct Sequence
     }
     c->buffer->skip_glyph ();
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+
+      char buf[HB_MAX_CONTEXT_LENGTH * 16] = {0};
+      char *p = buf;
+
+      for (unsigned i = c->buffer->idx - count; i < c->buffer->idx; i++)
+      {
+	if (buf < p)
+	  *p++ = ',';
+	snprintf (p, sizeof(buf) - (p - buf), "%u", i);
+	p += strlen(p);
+      }
+
+      c->buffer->message (c->font,
+			  "multiplied glyphs at %s",
+			  buf);
+    }
+
     return_trace (true);
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh
index 786428fe45..7da8103168 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh
@@ -7,15 +7,19 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct SingleSubst
 {
   protected:
   union {
-  HBUINT16              format;         /* Format identifier */
-  SingleSubstFormat1    format1;
-  SingleSubstFormat2    format2;
+  HBUINT16				format;         /* Format identifier */
+  SingleSubstFormat1_3<SmallTypes>	format1;
+  SingleSubstFormat2_4<SmallTypes>	format2;
+#ifndef HB_NO_BEYOND_64K
+  SingleSubstFormat1_3<MediumTypes>	format3;
+  SingleSubstFormat2_4<MediumTypes>	format4;
+#endif
   } u;
 
   public:
@@ -28,6 +32,10 @@ struct SingleSubst
     switch (u.format) {
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
     case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+    case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
@@ -45,11 +53,24 @@ struct SingleSubst
     if (glyphs)
     {
       format = 1;
+      hb_codepoint_t mask = 0xFFFFu;
+
+#ifndef HB_NO_BEYOND_64K
+       if (+ glyphs
+	   | hb_map_retains_sorting (hb_first)
+	   | hb_filter ([] (hb_codepoint_t gid) { return gid > 0xFFFFu; }))
+       {
+	 format += 2;
+	 mask = 0xFFFFFFu;
+       }
+#endif
+
       auto get_delta = [=] (hb_codepoint_pair_t _)
-                       { return (unsigned) (_.second - _.first) & 0xFFFF; };
+                       { return (unsigned) (_.second - _.first) & mask; };
       delta = get_delta (*glyphs);
-      if (!hb_all (++(+glyphs), delta, get_delta)) format = 2;
+      if (!hb_all (++(+glyphs), delta, get_delta)) format += 1;
     }
+
     u.format = format;
     switch (u.format) {
     case 1: return_trace (u.format1.serialize (c,
@@ -57,6 +78,13 @@ struct SingleSubst
                                                | hb_map_retains_sorting (hb_first),
                                                delta));
     case 2: return_trace (u.format2.serialize (c, glyphs));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.serialize (c,
+                                               + glyphs
+                                               | hb_map_retains_sorting (hb_first),
+                                               delta));
+    case 4: return_trace (u.format4.serialize (c, glyphs));
+#endif
     default:return_trace (false);
     }
   }
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh
index 3c6b2954ce..1be21b98bc 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh
@@ -5,20 +5,22 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
-struct SingleSubstFormat1
+template <typename Types>
+struct SingleSubstFormat1_3
 {
   protected:
   HBUINT16      format;                 /* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of Substitution table */
-  HBUINT16      deltaGlyphID;           /* Add to original GlyphID to get
+  typename Types::HBUINT
+                deltaGlyphID;           /* Add to original GlyphID to get
                                          * substitute GlyphID, modulo 0x10000 */
 
   public:
-  DEFINE_SIZE_STATIC (6);
+  DEFINE_SIZE_STATIC (2 + 2 * Types::size);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -26,6 +28,9 @@ struct SingleSubstFormat1
     return_trace (coverage.sanitize (c, this) && deltaGlyphID.sanitize (c));
   }
 
+  hb_codepoint_t get_mask () const
+  { return (1 << (8 * Types::size)) - 1; }
+
   bool intersects (const hb_set_t *glyphs) const
   { return (this+coverage).intersects (glyphs); }
 
@@ -34,14 +39,33 @@ struct SingleSubstFormat1
 
   void closure (hb_closure_context_t *c) const
   {
-    unsigned d = deltaGlyphID;
-
-    + hb_iter (this+coverage)
-    | hb_filter (c->parent_active_glyphs ())
-    | hb_map ([d] (hb_codepoint_t g) { return (g + d) & 0xFFFFu; })
+    hb_codepoint_t d = deltaGlyphID;
+    hb_codepoint_t mask = get_mask ();
+
+    /* Help fuzzer avoid this function as much. */
+    unsigned pop = (this+coverage).get_population ();
+    if (pop >= mask)
+      return;
+
+    hb_set_t intersection;
+    (this+coverage).intersect_set (c->parent_active_glyphs (), intersection);
+
+    /* In degenerate fuzzer-found fonts, but not real fonts,
+     * this table can keep adding new glyphs in each round of closure.
+     * Refuse to close-over, if it maps glyph range to overlapping range. */
+    hb_codepoint_t min_before = intersection.get_min ();
+    hb_codepoint_t max_before = intersection.get_max ();
+    hb_codepoint_t min_after = (min_before + d) & mask;
+    hb_codepoint_t max_after = (max_before + d) & mask;
+    if (intersection.get_population () == max_before - min_before + 1 &&
+	((min_before <= min_after && min_after <= max_before) ||
+	 (min_before <= max_after && max_after <= max_before)))
+      return;
+
+    + hb_iter (intersection)
+    | hb_map ([d, mask] (hb_codepoint_t g) { return (g + d) & mask; })
     | hb_sink (c->output)
     ;
-
   }
 
   void closure_lookups (hb_closure_lookups_context_t *c) const {}
@@ -49,9 +73,11 @@ struct SingleSubstFormat1
   void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
     if (unlikely (!(this+coverage).collect_coverage (c->input))) return;
-    unsigned d = deltaGlyphID;
+    hb_codepoint_t d = deltaGlyphID;
+    hb_codepoint_t mask = get_mask ();
+
     + hb_iter (this+coverage)
-    | hb_map ([d] (hb_codepoint_t g) { return (g + d) & 0xFFFFu; })
+    | hb_map ([d, mask] (hb_codepoint_t g) { return (g + d) & mask; })
     | hb_sink (c->output)
     ;
   }
@@ -68,11 +94,28 @@ struct SingleSubstFormat1
     unsigned int index = (this+coverage).get_coverage (glyph_id);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    /* According to the Adobe Annotated OpenType Suite, result is always
-     * limited to 16bit. */
-    glyph_id = (glyph_id + deltaGlyphID) & 0xFFFFu;
+    hb_codepoint_t d = deltaGlyphID;
+    hb_codepoint_t mask = get_mask ();
+
+    glyph_id = (glyph_id + d) & mask;
+
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "replacing glyph at %d (single substitution)",
+			  c->buffer->idx);
+    }
+
     c->replace_glyph (glyph_id);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "replaced glyph at %d (single substitution)",
+			  c->buffer->idx - 1);
+    }
+
     return_trace (true);
   }
 
@@ -95,14 +138,17 @@ struct SingleSubstFormat1
     const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
     const hb_map_t &glyph_map = *c->plan->glyph_map;
 
-    hb_codepoint_t delta = deltaGlyphID;
+    hb_codepoint_t d = deltaGlyphID;
+    hb_codepoint_t mask = get_mask ();
+
+    hb_set_t intersection;
+    (this+coverage).intersect_set (glyphset, intersection);
 
     auto it =
-    + hb_iter (this+coverage)
-    | hb_filter (glyphset)
-    | hb_map_retains_sorting ([&] (hb_codepoint_t g) {
+    + hb_iter (intersection)
+    | hb_map_retains_sorting ([d, mask] (hb_codepoint_t g) {
                                 return hb_codepoint_pair_t (g,
-                                                            (g + delta) & 0xFFFF); })
+                                                            (g + d) & mask); })
     | hb_filter (glyphset, hb_second)
     | hb_map_retains_sorting ([&] (hb_codepoint_pair_t p) -> hb_codepoint_pair_t
                               { return hb_pair (glyph_map[p.first], glyph_map[p.second]); })
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh
index df75bb52bb..01df714525 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh
@@ -5,21 +5,22 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
-struct SingleSubstFormat2
+template <typename Types>
+struct SingleSubstFormat2_4
 {
   protected:
   HBUINT16      format;                 /* Format identifier--format = 2 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
                 coverage;               /* Offset to Coverage table--from
                                          * beginning of Substitution table */
-  Array16Of<HBGlyphID16>
+  Array16Of<typename Types::HBGlyphID>
                 substitute;             /* Array of substitute
                                          * GlyphIDs--ordered by Coverage Index */
 
   public:
-  DEFINE_SIZE_ARRAY (6, substitute);
+  DEFINE_SIZE_ARRAY (4 + Types::size, substitute);
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -35,12 +36,27 @@ struct SingleSubstFormat2
 
   void closure (hb_closure_context_t *c) const
   {
-    + hb_zip (this+coverage, substitute)
-    | hb_filter (c->parent_active_glyphs (), hb_first)
+    auto &cov = this+coverage;
+    auto &glyph_set = c->parent_active_glyphs ();
+
+    if (substitute.len > glyph_set.get_population () * 4)
+    {
+      for (auto g : glyph_set)
+      {
+	unsigned i = cov.get_coverage (g);
+	if (i == NOT_COVERED || i >= substitute.len)
+	  continue;
+	c->output->add (substitute.arrayZ[i]);
+      }
+
+      return;
+    }
+
+    + hb_zip (cov, substitute)
+    | hb_filter (glyph_set, hb_first)
     | hb_map (hb_second)
     | hb_sink (c->output)
     ;
-
   }
 
   void closure_lookups (hb_closure_lookups_context_t *c) const {}
@@ -67,8 +83,23 @@ struct SingleSubstFormat2
 
     if (unlikely (index >= substitute.len)) return_trace (false);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "replacing glyph at %d (single substitution)",
+			  c->buffer->idx);
+    }
+
     c->replace_glyph (substitute[index]);
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      c->buffer->message (c->font,
+			  "replaced glyph at %d (single substitution)",
+			  c->buffer->idx - 1);
+    }
+
     return_trace (true);
   }
 
@@ -103,7 +134,7 @@ struct SingleSubstFormat2
     + hb_zip (this+coverage, substitute)
     | hb_filter (glyphset, hb_first)
     | hb_filter (glyphset, hb_second)
-    | hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, const HBGlyphID16 &> p) -> hb_codepoint_pair_t
+    | hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, const typename Types::HBGlyphID &> p) -> hb_codepoint_pair_t
                               { return hb_pair (glyph_map[p.first], glyph_map[p.second]); })
     ;
 
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh
index 3419b5a734..d49dcc0e0f 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh
@@ -6,11 +6,11 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct SubstLookup : Lookup
 {
-  typedef SubstLookupSubTable SubTable;
+  using SubTable = SubstLookupSubTable;
 
   bool sanitize (hb_sanitize_context_t *c) const
   { return Lookup::sanitize<SubTable> (c); }
@@ -25,7 +25,7 @@ struct SubstLookup : Lookup
   {
     unsigned int type = get_type ();
     if (unlikely (type == SubTable::Extension))
-      return reinterpret_cast<const ExtensionSubst &> (get_subtable (0)).is_reverse ();
+      return get_subtable (0).u.extension.is_reverse ();
     return lookup_type_is_reverse (type);
   }
 
@@ -73,8 +73,6 @@ struct SubstLookup : Lookup
       return hb_closure_lookups_context_t::default_return_value ();
     }
 
-    c->set_recurse_func (dispatch_closure_lookups_recurse_func);
-
     hb_closure_lookups_context_t::return_t ret = dispatch (c);
     return ret;
   }
@@ -100,12 +98,15 @@ struct SubstLookup : Lookup
       return dispatch (c);
   }
 
-  static inline bool apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index);
-
+  template<typename Glyphs, typename Substitutes,
+	   hb_requires (hb_is_sorted_source_of (Glyphs,
+						const hb_codepoint_t) &&
+			hb_is_source_of (Substitutes,
+					 const hb_codepoint_t))>
   bool serialize_single (hb_serialize_context_t *c,
                          uint32_t lookup_props,
-                         hb_sorted_array_t<const HBGlyphID16> glyphs,
-                         hb_array_t<const HBGlyphID16> substitutes)
+                         Glyphs glyphs,
+                         Substitutes substitutes)
   {
     TRACE_SERIALIZE (this);
     if (unlikely (!Lookup::serialize (c, SubTable::Single, lookup_props, 1))) return_trace (false);
@@ -118,19 +119,16 @@ struct SubstLookup : Lookup
     return_trace (false);
   }
 
-  bool serialize_multiple (hb_serialize_context_t *c,
-                           uint32_t lookup_props,
-                           hb_sorted_array_t<const HBGlyphID16> glyphs,
-                           hb_array_t<const unsigned int> substitute_len_list,
-                           hb_array_t<const HBGlyphID16> substitute_glyphs_list)
+  template<typename Iterator,
+           hb_requires (hb_is_sorted_iterator (Iterator))>
+  bool serialize (hb_serialize_context_t *c,
+		  uint32_t lookup_props,
+		  Iterator it)
   {
     TRACE_SERIALIZE (this);
     if (unlikely (!Lookup::serialize (c, SubTable::Multiple, lookup_props, 1))) return_trace (false);
     if (c->push<SubTable> ()->u.multiple.
-        serialize (c,
-                   glyphs,
-                   substitute_len_list,
-                   substitute_glyphs_list))
+        serialize (c, it))
     {
       c->add_link (get_subtables<SubTable> ()[0], c->pop_pack ());
       return_trace (true);
@@ -206,8 +204,6 @@ struct SubstLookup : Lookup
     return ret;
   }
 
-  HB_INTERNAL static hb_closure_lookups_context_t::return_t dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned lookup_index);
-
   template <typename context_t, typename ...Ts>
   typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
   { return Lookup::dispatch<SubTable> (c, std::forward<Ts> (ds)...); }
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh
index 53e963e2a2..a525fba039 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh
@@ -13,7 +13,7 @@
 
 namespace OT {
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
 
 struct SubstLookupSubTable
 {
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh
new file mode 100644
index 0000000000..6a43403e94
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2010,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod, Garret Rieger
+ */
+
+#ifndef OT_LAYOUT_TYPES_HH
+#define OT_LAYOUT_TYPES_HH
+
+namespace OT {
+namespace Layout {
+
+struct SmallTypes {
+  static constexpr unsigned size = 2;
+  using large_int = uint32_t;
+  using HBUINT = HBUINT16;
+  using HBGlyphID = HBGlyphID16;
+  using Offset = Offset16;
+  template <typename Type, bool has_null=true>
+  using OffsetTo = OT::Offset16To<Type, has_null>;
+  template <typename Type>
+  using ArrayOf = OT::Array16Of<Type>;
+  template <typename Type>
+  using SortedArrayOf = OT::SortedArray16Of<Type>;
+};
+
+struct MediumTypes {
+  static constexpr unsigned size = 3;
+  using large_int = uint64_t;
+  using HBUINT = HBUINT24;
+  using HBGlyphID = HBGlyphID24;
+  using Offset = Offset24;
+  template <typename Type, bool has_null=true>
+  using OffsetTo = OT::Offset24To<Type, has_null>;
+  template <typename Type>
+  using ArrayOf = OT::Array24Of<Type>;
+  template <typename Type>
+  using SortedArrayOf = OT::SortedArray24Of<Type>;
+};
+
+}
+}
+
+#endif  /* OT_LAYOUT_TYPES_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh
new file mode 100644
index 0000000000..edf8cd8797
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh
@@ -0,0 +1,369 @@
+#ifndef OT_GLYF_COMPOSITEGLYPH_HH
+#define OT_GLYF_COMPOSITEGLYPH_HH
+
+
+#include "../../hb-open-type.hh"
+#include "composite-iter.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct CompositeGlyphRecord
+{
+  protected:
+  enum composite_glyph_flag_t
+  {
+    ARG_1_AND_2_ARE_WORDS	= 0x0001,
+    ARGS_ARE_XY_VALUES		= 0x0002,
+    ROUND_XY_TO_GRID		= 0x0004,
+    WE_HAVE_A_SCALE		= 0x0008,
+    MORE_COMPONENTS		= 0x0020,
+    WE_HAVE_AN_X_AND_Y_SCALE	= 0x0040,
+    WE_HAVE_A_TWO_BY_TWO	= 0x0080,
+    WE_HAVE_INSTRUCTIONS	= 0x0100,
+    USE_MY_METRICS		= 0x0200,
+    OVERLAP_COMPOUND		= 0x0400,
+    SCALED_COMPONENT_OFFSET	= 0x0800,
+    UNSCALED_COMPONENT_OFFSET	= 0x1000,
+#ifndef HB_NO_BEYOND_64K
+    GID_IS_24BIT		= 0x2000
+#endif
+  };
+
+  public:
+  unsigned int get_size () const
+  {
+    unsigned int size = min_size;
+    /* glyphIndex is 24bit instead of 16bit */
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT) size += HBGlyphID24::static_size - HBGlyphID16::static_size;
+#endif
+    /* arg1 and 2 are int16 */
+    if (flags & ARG_1_AND_2_ARE_WORDS) size += 4;
+    /* arg1 and 2 are int8 */
+    else size += 2;
+
+    /* One x 16 bit (scale) */
+    if (flags & WE_HAVE_A_SCALE) size += 2;
+    /* Two x 16 bit (xscale, yscale) */
+    else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) size += 4;
+    /* Four x 16 bit (xscale, scale01, scale10, yscale) */
+    else if (flags & WE_HAVE_A_TWO_BY_TWO) size += 8;
+
+    return size;
+  }
+
+  void drop_instructions_flag ()  { flags = (uint16_t) flags & ~WE_HAVE_INSTRUCTIONS; }
+  void set_overlaps_flag ()
+  {
+    flags = (uint16_t) flags | OVERLAP_COMPOUND;
+  }
+
+  bool has_instructions ()  const { return   flags & WE_HAVE_INSTRUCTIONS; }
+
+  bool has_more ()          const { return   flags & MORE_COMPONENTS; }
+  bool is_use_my_metrics () const { return   flags & USE_MY_METRICS; }
+  bool is_anchored ()       const { return !(flags & ARGS_ARE_XY_VALUES); }
+  void get_anchor_points (unsigned int &point1, unsigned int &point2) const
+  {
+    const auto *p = &StructAfter<const HBUINT8> (flags);
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT)
+      p += HBGlyphID24::static_size;
+    else
+#endif
+      p += HBGlyphID16::static_size;
+    if (flags & ARG_1_AND_2_ARE_WORDS)
+    {
+      point1 = ((const HBUINT16 *) p)[0];
+      point2 = ((const HBUINT16 *) p)[1];
+    }
+    else
+    {
+      point1 = p[0];
+      point2 = p[1];
+    }
+  }
+
+  void transform_points (contour_point_vector_t &points) const
+  {
+    float matrix[4];
+    contour_point_t trans;
+    if (get_transformation (matrix, trans))
+    {
+      if (scaled_offsets ())
+      {
+	points.translate (trans);
+	points.transform (matrix);
+      }
+      else
+      {
+	points.transform (matrix);
+	points.translate (trans);
+      }
+    }
+  }
+
+  unsigned compile_with_deltas (const contour_point_t &p_delta,
+                                char *out) const
+  {
+    const HBINT8 *p = &StructAfter<const HBINT8> (flags);
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT)
+      p += HBGlyphID24::static_size;
+    else
+#endif
+      p += HBGlyphID16::static_size;
+
+    unsigned len = get_size ();
+    unsigned len_before_val = (const char *)p - (const char *)this;
+    if (flags & ARG_1_AND_2_ARE_WORDS)
+    {
+      // no overflow, copy and update value with deltas
+      hb_memcpy (out, this, len);
+
+      const HBINT16 *px = reinterpret_cast<const HBINT16 *> (p);
+      HBINT16 *o = reinterpret_cast<HBINT16 *> (out + len_before_val);
+      o[0] = px[0] + roundf (p_delta.x);
+      o[1] = px[1] + roundf (p_delta.y);
+    }
+    else
+    {
+      int new_x = p[0] + roundf (p_delta.x);
+      int new_y = p[1] + roundf (p_delta.y);
+      if (new_x <= 127 && new_x >= -128 &&
+          new_y <= 127 && new_y >= -128)
+      {
+        hb_memcpy (out, this, len);
+        HBINT8 *o = reinterpret_cast<HBINT8 *> (out + len_before_val);
+        o[0] = new_x;
+        o[1] = new_y;
+      }
+      else
+      {
+        // int8 overflows after deltas applied
+        hb_memcpy (out, this, len_before_val);
+        
+        //update flags
+        CompositeGlyphRecord *o = reinterpret_cast<CompositeGlyphRecord *> (out);
+        o->flags = flags | ARG_1_AND_2_ARE_WORDS;
+        out += len_before_val;
+
+        HBINT16 new_value;
+        new_value = new_x;
+        hb_memcpy (out, &new_value, HBINT16::static_size);
+        out += HBINT16::static_size;
+
+        new_value = new_y;
+        hb_memcpy (out, &new_value, HBINT16::static_size);
+        out += HBINT16::static_size;
+
+        hb_memcpy (out, p+2, len - len_before_val - 2);
+        len += 2;
+      }
+    }
+    return len;
+  }
+
+  protected:
+  bool scaled_offsets () const
+  { return (flags & (SCALED_COMPONENT_OFFSET | UNSCALED_COMPONENT_OFFSET)) == SCALED_COMPONENT_OFFSET; }
+
+  bool get_transformation (float (&matrix)[4], contour_point_t &trans) const
+  {
+    matrix[0] = matrix[3] = 1.f;
+    matrix[1] = matrix[2] = 0.f;
+
+    const auto *p = &StructAfter<const HBINT8> (flags);
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT)
+      p += HBGlyphID24::static_size;
+    else
+#endif
+      p += HBGlyphID16::static_size;
+    int tx, ty;
+    if (flags & ARG_1_AND_2_ARE_WORDS)
+    {
+      tx = *(const HBINT16 *) p;
+      p += HBINT16::static_size;
+      ty = *(const HBINT16 *) p;
+      p += HBINT16::static_size;
+    }
+    else
+    {
+      tx = *p++;
+      ty = *p++;
+    }
+    if (is_anchored ()) tx = ty = 0;
+
+    trans.init ((float) tx, (float) ty);
+
+    {
+      const F2DOT14 *points = (const F2DOT14 *) p;
+      if (flags & WE_HAVE_A_SCALE)
+      {
+	matrix[0] = matrix[3] = points[0].to_float ();
+	return true;
+      }
+      else if (flags & WE_HAVE_AN_X_AND_Y_SCALE)
+      {
+	matrix[0] = points[0].to_float ();
+	matrix[3] = points[1].to_float ();
+	return true;
+      }
+      else if (flags & WE_HAVE_A_TWO_BY_TWO)
+      {
+	matrix[0] = points[0].to_float ();
+	matrix[1] = points[1].to_float ();
+	matrix[2] = points[2].to_float ();
+	matrix[3] = points[3].to_float ();
+	return true;
+      }
+    }
+    return tx || ty;
+  }
+
+  public:
+  hb_codepoint_t get_gid () const
+  {
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT)
+      return StructAfter<const HBGlyphID24> (flags);
+    else
+#endif
+      return StructAfter<const HBGlyphID16> (flags);
+  }
+  void set_gid (hb_codepoint_t gid)
+  {
+#ifndef HB_NO_BEYOND_64K
+    if (flags & GID_IS_24BIT)
+      StructAfter<HBGlyphID24> (flags) = gid;
+    else
+#endif
+      /* TODO assert? */
+      StructAfter<HBGlyphID16> (flags) = gid;
+  }
+
+  protected:
+  HBUINT16	flags;
+  HBUINT24	pad;
+  public:
+  DEFINE_SIZE_MIN (4);
+};
+
+using composite_iter_t = composite_iter_tmpl<CompositeGlyphRecord>;
+
+struct CompositeGlyph
+{
+  const GlyphHeader &header;
+  hb_bytes_t bytes;
+  CompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) :
+    header (header_), bytes (bytes_) {}
+
+  composite_iter_t iter () const
+  { return composite_iter_t (bytes, &StructAfter<CompositeGlyphRecord, GlyphHeader> (header)); }
+
+  unsigned int instructions_length (hb_bytes_t bytes) const
+  {
+    unsigned int start = bytes.length;
+    unsigned int end = bytes.length;
+    const CompositeGlyphRecord *last = nullptr;
+    for (auto &item : iter ())
+      last = &item;
+    if (unlikely (!last)) return 0;
+
+    if (last->has_instructions ())
+      start = (char *) last - &bytes + last->get_size ();
+    if (unlikely (start > end)) return 0;
+    return end - start;
+  }
+
+  /* Trimming for composites not implemented.
+   * If removing hints it falls out of that. */
+  const hb_bytes_t trim_padding () const { return bytes; }
+
+  void drop_hints ()
+  {
+    for (const auto &_ : iter ())
+      const_cast<CompositeGlyphRecord &> (_).drop_instructions_flag ();
+  }
+
+  /* Chop instructions off the end */
+  void drop_hints_bytes (hb_bytes_t &dest_start) const
+  { dest_start = bytes.sub_array (0, bytes.length - instructions_length (bytes)); }
+
+  void set_overlaps_flag ()
+  {
+    CompositeGlyphRecord& glyph_chain = const_cast<CompositeGlyphRecord &> (
+	StructAfter<CompositeGlyphRecord, GlyphHeader> (header));
+    if (!bytes.check_range(&glyph_chain, CompositeGlyphRecord::min_size))
+      return;
+    glyph_chain.set_overlaps_flag ();
+  }
+
+  bool compile_bytes_with_deltas (const hb_bytes_t &source_bytes,
+                                  const contour_point_vector_t &deltas,
+                                  hb_bytes_t &dest_bytes /* OUT */)
+  {
+    if (source_bytes.length <= GlyphHeader::static_size ||
+        header.numberOfContours != -1)
+    {
+      dest_bytes = hb_bytes_t ();
+      return true;
+    }
+
+    unsigned source_len = source_bytes.length - GlyphHeader::static_size;
+
+    /* try to allocate more memories than source glyph bytes
+     * in case that there might be an overflow for int8 value
+     * and we would need to use int16 instead */
+    char *o = (char *) hb_calloc (source_len + source_len/2, sizeof (char));
+    if (unlikely (!o)) return false;
+
+    const CompositeGlyphRecord *c = reinterpret_cast<const CompositeGlyphRecord *> (source_bytes.arrayZ + GlyphHeader::static_size);
+    auto it = composite_iter_t (hb_bytes_t ((const char *)c, source_len), c);
+
+    char *p = o;
+    unsigned i = 0, source_comp_len = 0;
+    for (const auto &component : it)
+    {
+      /* last 4 points in deltas are phantom points and should not be included */
+      if (i >= deltas.length - 4) return false;
+
+      unsigned comp_len = component.get_size ();
+      if (component.is_anchored ())
+      {
+        hb_memcpy (p, &component, comp_len);
+        p += comp_len;
+      }
+      else
+      {
+        unsigned new_len = component.compile_with_deltas (deltas[i], p);
+        p += new_len;
+      }
+      i++;
+      source_comp_len += comp_len;
+    }
+
+    //copy instructions if any
+    if (source_len > source_comp_len)
+    {
+      unsigned instr_len = source_len - source_comp_len;
+      hb_memcpy (p, (const char *)c + source_comp_len, instr_len);
+      p += instr_len;
+    }
+
+    unsigned len = p - o;
+    dest_bytes = hb_bytes_t (o, len);
+    return true;
+  }
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_COMPOSITEGLYPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh
new file mode 100644
index 0000000000..b7215b0170
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh
@@ -0,0 +1,463 @@
+#ifndef OT_GLYF_GLYPH_HH
+#define OT_GLYF_GLYPH_HH
+
+
+#include "../../hb-open-type.hh"
+
+#include "GlyphHeader.hh"
+#include "SimpleGlyph.hh"
+#include "CompositeGlyph.hh"
+#include "VarCompositeGlyph.hh"
+#include "coord-setter.hh"
+
+
+namespace OT {
+
+struct glyf_accelerator_t;
+
+namespace glyf_impl {
+
+
+#ifndef HB_GLYF_MAX_POINTS
+#define HB_GLYF_MAX_POINTS 10000
+#endif
+
+
+enum phantom_point_index_t
+{
+  PHANTOM_LEFT   = 0,
+  PHANTOM_RIGHT  = 1,
+  PHANTOM_TOP    = 2,
+  PHANTOM_BOTTOM = 3,
+  PHANTOM_COUNT  = 4
+};
+
+struct Glyph
+{
+  enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE, VAR_COMPOSITE };
+
+  public:
+  composite_iter_t get_composite_iterator () const
+  {
+    if (type != COMPOSITE) return composite_iter_t ();
+    return CompositeGlyph (*header, bytes).iter ();
+  }
+  var_composite_iter_t get_var_composite_iterator () const
+  {
+    if (type != VAR_COMPOSITE) return var_composite_iter_t ();
+    return VarCompositeGlyph (*header, bytes).iter ();
+  }
+
+  const hb_bytes_t trim_padding () const
+  {
+    switch (type) {
+    case COMPOSITE: return CompositeGlyph (*header, bytes).trim_padding ();
+    case SIMPLE:    return SimpleGlyph (*header, bytes).trim_padding ();
+    default:        return bytes;
+    }
+  }
+
+  void drop_hints ()
+  {
+    switch (type) {
+    case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints (); return;
+    case SIMPLE:    SimpleGlyph (*header, bytes).drop_hints (); return;
+    default:        return;
+    }
+  }
+
+  void set_overlaps_flag ()
+  {
+    switch (type) {
+    case COMPOSITE: CompositeGlyph (*header, bytes).set_overlaps_flag (); return;
+    case SIMPLE:    SimpleGlyph (*header, bytes).set_overlaps_flag (); return;
+    default:        return;
+    }
+  }
+
+  void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const
+  {
+    switch (type) {
+    case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints_bytes (dest_start); return;
+    case SIMPLE:    SimpleGlyph (*header, bytes).drop_hints_bytes (dest_start, dest_end); return;
+    default:        return;
+    }
+  }
+
+  void update_mtx (const hb_subset_plan_t *plan,
+                   int xMin, int yMax,
+                   const contour_point_vector_t &all_points) const
+  {
+    hb_codepoint_t new_gid = 0;
+    if (!plan->new_gid_for_old_gid (gid, &new_gid))
+      return;
+
+    unsigned len = all_points.length;
+    float leftSideX = all_points[len - 4].x;
+    float rightSideX = all_points[len - 3].x;
+    float topSideY = all_points[len - 2].y;
+    float bottomSideY = all_points[len - 1].y;
+
+    int hori_aw = roundf (rightSideX - leftSideX);
+    if (hori_aw < 0) hori_aw = 0;
+    int lsb = roundf (xMin - leftSideX);
+    plan->hmtx_map->set (new_gid, hb_pair (hori_aw, lsb));
+
+    int vert_aw = roundf (topSideY - bottomSideY);
+    if (vert_aw < 0) vert_aw = 0;
+    int tsb = roundf (topSideY - yMax);
+    plan->vmtx_map->set (new_gid, hb_pair (vert_aw, tsb));
+  }
+
+  bool compile_header_bytes (const hb_subset_plan_t *plan,
+                             const contour_point_vector_t &all_points,
+                             hb_bytes_t &dest_bytes /* OUT */) const
+  {
+    GlyphHeader *glyph_header = nullptr;
+    if (type != EMPTY && all_points.length > 4)
+    {
+      glyph_header = (GlyphHeader *) hb_calloc (1, GlyphHeader::static_size);
+      if (unlikely (!glyph_header)) return false;
+    }
+
+    float xMin = 0, xMax = 0;
+    float yMin = 0, yMax = 0;
+    if (all_points.length > 4)
+    {
+      xMin = xMax = all_points[0].x;
+      yMin = yMax = all_points[0].y;
+    }
+
+    for (unsigned i = 1; i < all_points.length - 4; i++)
+    {
+      float x = all_points[i].x;
+      float y = all_points[i].y;
+      xMin = hb_min (xMin, x);
+      xMax = hb_max (xMax, x);
+      yMin = hb_min (yMin, y);
+      yMax = hb_max (yMax, y);
+    }
+
+    update_mtx (plan, roundf (xMin), roundf (yMax), all_points);
+
+    /*for empty glyphs: all_points only include phantom points.
+     *just update metrics and then return */
+    if (!glyph_header)
+      return true;
+
+    glyph_header->numberOfContours = header->numberOfContours;
+    glyph_header->xMin = roundf (xMin);
+    glyph_header->yMin = roundf (yMin);
+    glyph_header->xMax = roundf (xMax);
+    glyph_header->yMax = roundf (yMax);
+
+    dest_bytes = hb_bytes_t ((const char *)glyph_header, GlyphHeader::static_size);
+    return true;
+  }
+
+  bool compile_bytes_with_deltas (const hb_subset_plan_t *plan,
+                                  hb_font_t *font,
+                                  const glyf_accelerator_t &glyf,
+                                  hb_bytes_t &dest_start,  /* IN/OUT */
+                                  hb_bytes_t &dest_end /* OUT */)
+  {
+    contour_point_vector_t all_points, deltas;
+    if (!get_points (font, glyf, all_points, &deltas, false, false))
+      return false;
+
+    // .notdef, set type to empty so we only update metrics and don't compile bytes for
+    // it
+    if (gid == 0 &&
+        !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE))
+      type = EMPTY;
+
+    switch (type) {
+    case COMPOSITE:
+      if (!CompositeGlyph (*header, bytes).compile_bytes_with_deltas (dest_start,
+                                                                      deltas,
+                                                                      dest_end))
+        return false;
+      break;
+    case SIMPLE:
+      if (!SimpleGlyph (*header, bytes).compile_bytes_with_deltas (all_points,
+                                                                   plan->flags & HB_SUBSET_FLAGS_NO_HINTING,
+                                                                   dest_end))
+        return false;
+      break;
+    default:
+      /* set empty bytes for empty glyph
+       * do not use source glyph's pointers */
+      dest_start = hb_bytes_t ();
+      dest_end = hb_bytes_t ();
+      break;
+    }
+
+    if (!compile_header_bytes (plan, all_points, dest_start))
+    {
+      dest_end.fini ();
+      return false;
+    }
+    return true;
+  }
+
+
+  /* Note: Recursively calls itself.
+   * all_points includes phantom points
+   */
+  template <typename accelerator_t>
+  bool get_points (hb_font_t *font, const accelerator_t &glyf_accelerator,
+		   contour_point_vector_t &all_points /* OUT */,
+		   contour_point_vector_t *deltas = nullptr, /* OUT */
+		   bool shift_points_hori = true,
+		   bool use_my_metrics = true,
+		   bool phantom_only = false,
+		   hb_array_t<int> coords = hb_array_t<int> (),
+		   unsigned int depth = 0) const
+  {
+    if (unlikely (depth > HB_MAX_NESTING_LEVEL)) return false;
+
+    if (!coords)
+      coords = hb_array (font->coords, font->num_coords);
+
+    contour_point_vector_t stack_points;
+    bool inplace = type == SIMPLE && all_points.length == 0;
+    /* Load into all_points if it's empty, as an optimization. */
+    contour_point_vector_t &points = inplace ? all_points : stack_points;
+
+    switch (type) {
+    case SIMPLE:
+      if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only)))
+	return false;
+      break;
+    case COMPOSITE:
+    {
+      /* pseudo component points for each component in composite glyph */
+      unsigned num_points = hb_len (CompositeGlyph (*header, bytes).iter ());
+      if (unlikely (!points.resize (num_points))) return false;
+      break;
+    }
+#ifndef HB_NO_VAR_COMPOSITES
+    case VAR_COMPOSITE:
+    {
+      for (auto &item : get_var_composite_iterator ())
+        if (unlikely (!item.get_points (points))) return false;
+    }
+#endif
+    default:
+      break;
+    }
+
+    /* Init phantom points */
+    if (unlikely (!points.resize (points.length + PHANTOM_COUNT))) return false;
+    hb_array_t<contour_point_t> phantoms = points.as_array ().sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT);
+    {
+      int lsb = 0;
+      int h_delta = glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb) ?
+		    (int) header->xMin - lsb : 0;
+      HB_UNUSED int tsb = 0;
+      int v_orig  = (int) header->yMax +
+#ifndef HB_NO_VERTICAL
+		    ((void) glyf_accelerator.vmtx->get_leading_bearing_without_var_unscaled (gid, &tsb), tsb)
+#else
+		    0
+#endif
+		    ;
+      unsigned h_adv = glyf_accelerator.hmtx->get_advance_without_var_unscaled (gid);
+      unsigned v_adv =
+#ifndef HB_NO_VERTICAL
+		       glyf_accelerator.vmtx->get_advance_without_var_unscaled (gid)
+#else
+		       - font->face->get_upem ()
+#endif
+		       ;
+      phantoms[PHANTOM_LEFT].x = h_delta;
+      phantoms[PHANTOM_RIGHT].x = h_adv + h_delta;
+      phantoms[PHANTOM_TOP].y = v_orig;
+      phantoms[PHANTOM_BOTTOM].y = v_orig - (int) v_adv;
+    }
+
+    if (deltas != nullptr && depth == 0 && type == COMPOSITE)
+    {
+      if (unlikely (!deltas->resize (points.length))) return false;
+      deltas->copy_vector (points);
+    }
+
+#ifndef HB_NO_VAR
+    glyf_accelerator.gvar->apply_deltas_to_points (gid,
+						   coords,
+						   points.as_array ());
+#endif
+
+    // mainly used by CompositeGlyph calculating new X/Y offset value so no need to extend it
+    // with child glyphs' points
+    if (deltas != nullptr && depth == 0 && type == COMPOSITE)
+    {
+      for (unsigned i = 0 ; i < points.length; i++)
+      {
+        deltas->arrayZ[i].x = points.arrayZ[i].x - deltas->arrayZ[i].x;
+        deltas->arrayZ[i].y = points.arrayZ[i].y - deltas->arrayZ[i].y;
+      }
+    }
+
+    switch (type) {
+    case SIMPLE:
+      if (!inplace)
+	all_points.extend (points.as_array ());
+      break;
+    case COMPOSITE:
+    {
+      contour_point_vector_t comp_points;
+      unsigned int comp_index = 0;
+      for (auto &item : get_composite_iterator ())
+      {
+        comp_points.reset ();
+
+	if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ())
+				       .get_points (font,
+						    glyf_accelerator,
+						    comp_points,
+						    deltas,
+						    shift_points_hori,
+						    use_my_metrics,
+						    phantom_only,
+						    coords,
+						    depth + 1)))
+	  return false;
+
+	/* Copy phantom points from component if USE_MY_METRICS flag set */
+	if (use_my_metrics && item.is_use_my_metrics ())
+	  for (unsigned int i = 0; i < PHANTOM_COUNT; i++)
+	    phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i];
+
+	/* Apply component transformation & translation */
+	item.transform_points (comp_points);
+
+	/* Apply translation from gvar */
+	comp_points.translate (points[comp_index]);
+
+	if (item.is_anchored ())
+	{
+	  unsigned int p1, p2;
+	  item.get_anchor_points (p1, p2);
+	  if (likely (p1 < all_points.length && p2 < comp_points.length))
+	  {
+	    contour_point_t delta;
+	    delta.init (all_points[p1].x - comp_points[p2].x,
+			all_points[p1].y - comp_points[p2].y);
+
+	    comp_points.translate (delta);
+	  }
+	}
+
+	all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT));
+
+	if (all_points.length > HB_GLYF_MAX_POINTS)
+	  return false;
+
+	comp_index++;
+      }
+
+      all_points.extend (phantoms);
+    } break;
+#ifndef HB_NO_VAR_COMPOSITES
+    case VAR_COMPOSITE:
+    {
+      contour_point_vector_t comp_points;
+      hb_array_t<contour_point_t> points_left = points.as_array ();
+      for (auto &item : get_var_composite_iterator ())
+      {
+	hb_array_t<contour_point_t> record_points = points_left.sub_array (0, item.get_num_points ());
+
+        comp_points.reset ();
+
+	coord_setter_t coord_setter (coords);
+	item.set_variations (coord_setter, record_points);
+
+	if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ())
+				       .get_points (font,
+						    glyf_accelerator,
+						    comp_points,
+						    deltas,
+						    shift_points_hori,
+						    use_my_metrics,
+						    phantom_only,
+						    coord_setter.get_coords (),
+						    depth + 1)))
+	  return false;
+
+	/* Apply component transformation */
+	item.transform_points (record_points, comp_points);
+
+	/* Copy phantom points from component if USE_MY_METRICS flag set */
+	if (use_my_metrics && item.is_use_my_metrics ())
+	  for (unsigned int i = 0; i < PHANTOM_COUNT; i++)
+	    phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i];
+
+	all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT));
+
+	if (all_points.length > HB_GLYF_MAX_POINTS)
+	  return false;
+
+	points_left += item.get_num_points ();
+      }
+      all_points.extend (phantoms);
+    } break;
+#endif
+    default:
+      all_points.extend (phantoms);
+      break;
+    }
+
+    if (depth == 0 && shift_points_hori) /* Apply at top level */
+    {
+      /* Undocumented rasterizer behavior:
+       * Shift points horizontally by the updated left side bearing
+       */
+      contour_point_t delta;
+      delta.init (-phantoms[PHANTOM_LEFT].x, 0.f);
+      if (delta.x) all_points.translate (delta);
+    }
+
+    return !all_points.in_error ();
+  }
+
+  bool get_extents_without_var_scaled (hb_font_t *font, const glyf_accelerator_t &glyf_accelerator,
+				       hb_glyph_extents_t *extents) const
+  {
+    if (type == EMPTY) return true; /* Empty glyph; zero extents. */
+    return header->get_extents_without_var_scaled (font, glyf_accelerator, gid, extents);
+  }
+
+  hb_bytes_t get_bytes () const { return bytes; }
+
+  Glyph () : bytes (),
+             header (bytes.as<GlyphHeader> ()),
+             gid (-1),
+             type(EMPTY)
+  {}
+
+  Glyph (hb_bytes_t bytes_,
+	 hb_codepoint_t gid_ = (unsigned) -1) : bytes (bytes_),
+                                                header (bytes.as<GlyphHeader> ()),
+                                                gid (gid_)
+  {
+    int num_contours = header->numberOfContours;
+    if (unlikely (num_contours == 0)) type = EMPTY;
+    else if (num_contours > 0) type = SIMPLE;
+    else if (num_contours == -2) type = VAR_COMPOSITE;
+    else type = COMPOSITE; /* negative numbers */
+  }
+
+  protected:
+  hb_bytes_t bytes;
+  const GlyphHeader *header;
+  hb_codepoint_t gid;
+  unsigned type;
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_GLYPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh
new file mode 100644
index 0000000000..e4a9168b79
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh
@@ -0,0 +1,50 @@
+#ifndef OT_GLYF_GLYPHHEADER_HH
+#define OT_GLYF_GLYPHHEADER_HH
+
+
+#include "../../hb-open-type.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct GlyphHeader
+{
+  bool has_data () const { return numberOfContours; }
+
+  template <typename accelerator_t>
+  bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator,
+				       hb_codepoint_t gid, hb_glyph_extents_t *extents) const
+  {
+    /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */
+    /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */
+    int lsb = hb_min (xMin, xMax);
+    (void) glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb);
+    extents->x_bearing = font->em_scale_x (lsb);
+    extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax));
+    extents->width     = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax));
+    extents->height    = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax));
+
+    return true;
+  }
+
+  HBINT16	numberOfContours;
+		    /* If the number of contours is
+		     * greater than or equal to zero,
+		     * this is a simple glyph; if negative,
+		     * this is a composite glyph. */
+  FWORD	xMin;	/* Minimum x for coordinate data. */
+  FWORD	yMin;	/* Minimum y for coordinate data. */
+  FWORD	xMax;	/* Maximum x for coordinate data. */
+  FWORD	yMax;	/* Maximum y for coordinate data. */
+  public:
+  DEFINE_SIZE_STATIC (10);
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_GLYPHHEADER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh
new file mode 100644
index 0000000000..2b4aa99d25
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh
@@ -0,0 +1,339 @@
+#ifndef OT_GLYF_SIMPLEGLYPH_HH
+#define OT_GLYF_SIMPLEGLYPH_HH
+
+
+#include "../../hb-open-type.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct SimpleGlyph
+{
+  enum simple_glyph_flag_t
+  {
+    FLAG_ON_CURVE       = 0x01,
+    FLAG_X_SHORT        = 0x02,
+    FLAG_Y_SHORT        = 0x04,
+    FLAG_REPEAT         = 0x08,
+    FLAG_X_SAME         = 0x10,
+    FLAG_Y_SAME         = 0x20,
+    FLAG_OVERLAP_SIMPLE = 0x40,
+    FLAG_RESERVED2      = 0x80
+  };
+
+  const GlyphHeader &header;
+  hb_bytes_t bytes;
+  SimpleGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) :
+    header (header_), bytes (bytes_) {}
+
+  unsigned int instruction_len_offset () const
+  { return GlyphHeader::static_size + 2 * header.numberOfContours; }
+
+  unsigned int length (unsigned int instruction_len) const
+  { return instruction_len_offset () + 2 + instruction_len; }
+
+  unsigned int instructions_length () const
+  {
+    unsigned int instruction_length_offset = instruction_len_offset ();
+    if (unlikely (instruction_length_offset + 2 > bytes.length)) return 0;
+
+    const HBUINT16 &instructionLength = StructAtOffset<HBUINT16> (&bytes, instruction_length_offset);
+    /* Out of bounds of the current glyph */
+    if (unlikely (length (instructionLength) > bytes.length)) return 0;
+    return instructionLength;
+  }
+
+  const hb_bytes_t trim_padding () const
+  {
+    /* based on FontTools _g_l_y_f.py::trim */
+    const uint8_t *glyph = (uint8_t*) bytes.arrayZ;
+    const uint8_t *glyph_end = glyph + bytes.length;
+    /* simple glyph w/contours, possibly trimmable */
+    glyph += instruction_len_offset ();
+
+    if (unlikely (glyph + 2 >= glyph_end)) return hb_bytes_t ();
+    unsigned int num_coordinates = StructAtOffset<HBUINT16> (glyph - 2, 0) + 1;
+    unsigned int num_instructions = StructAtOffset<HBUINT16> (glyph, 0);
+
+    glyph += 2 + num_instructions;
+
+    unsigned int coord_bytes = 0;
+    unsigned int coords_with_flags = 0;
+    while (glyph < glyph_end)
+    {
+      uint8_t flag = *glyph;
+      glyph++;
+
+      unsigned int repeat = 1;
+      if (flag & FLAG_REPEAT)
+      {
+	if (unlikely (glyph >= glyph_end)) return hb_bytes_t ();
+	repeat = *glyph + 1;
+	glyph++;
+      }
+
+      unsigned int xBytes, yBytes;
+      xBytes = yBytes = 0;
+      if (flag & FLAG_X_SHORT) xBytes = 1;
+      else if ((flag & FLAG_X_SAME) == 0) xBytes = 2;
+
+      if (flag & FLAG_Y_SHORT) yBytes = 1;
+      else if ((flag & FLAG_Y_SAME) == 0) yBytes = 2;
+
+      coord_bytes += (xBytes + yBytes) * repeat;
+      coords_with_flags += repeat;
+      if (coords_with_flags >= num_coordinates) break;
+    }
+
+    if (unlikely (coords_with_flags != num_coordinates)) return hb_bytes_t ();
+    return bytes.sub_array (0, bytes.length + coord_bytes - (glyph_end - glyph));
+  }
+
+  /* zero instruction length */
+  void drop_hints ()
+  {
+    GlyphHeader &glyph_header = const_cast<GlyphHeader &> (header);
+    (HBUINT16 &) StructAtOffset<HBUINT16> (&glyph_header, instruction_len_offset ()) = 0;
+  }
+
+  void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const
+  {
+    unsigned int instructions_len = instructions_length ();
+    unsigned int glyph_length = length (instructions_len);
+    dest_start = bytes.sub_array (0, glyph_length - instructions_len);
+    dest_end = bytes.sub_array (glyph_length, bytes.length - glyph_length);
+  }
+
+  void set_overlaps_flag ()
+  {
+    if (unlikely (!header.numberOfContours)) return;
+
+    unsigned flags_offset = length (instructions_length ());
+    if (unlikely (flags_offset + 1 > bytes.length)) return;
+
+    HBUINT8 &first_flag = (HBUINT8 &) StructAtOffset<HBUINT16> (&bytes, flags_offset);
+    first_flag = (uint8_t) first_flag | FLAG_OVERLAP_SIMPLE;
+  }
+
+  static bool read_flags (const HBUINT8 *&p /* IN/OUT */,
+			  contour_point_vector_t &points_ /* IN/OUT */,
+			  const HBUINT8 *end)
+  {
+    unsigned count = points_.length;
+    for (unsigned int i = 0; i < count;)
+    {
+      if (unlikely (p + 1 > end)) return false;
+      uint8_t flag = *p++;
+      points_.arrayZ[i++].flag = flag;
+      if (flag & FLAG_REPEAT)
+      {
+	if (unlikely (p + 1 > end)) return false;
+	unsigned int repeat_count = *p++;
+	unsigned stop = hb_min (i + repeat_count, count);
+	for (; i < stop; i++)
+	  points_.arrayZ[i].flag = flag;
+      }
+    }
+    return true;
+  }
+
+  static bool read_points (const HBUINT8 *&p /* IN/OUT */,
+			   contour_point_vector_t &points_ /* IN/OUT */,
+			   const HBUINT8 *end,
+			   float contour_point_t::*m,
+			   const simple_glyph_flag_t short_flag,
+			   const simple_glyph_flag_t same_flag)
+  {
+    int v = 0;
+
+    unsigned count = points_.length;
+    for (unsigned i = 0; i < count; i++)
+    {
+      unsigned flag = points_[i].flag;
+      if (flag & short_flag)
+      {
+	if (unlikely (p + 1 > end)) return false;
+	if (flag & same_flag)
+	  v += *p++;
+	else
+	  v -= *p++;
+      }
+      else
+      {
+	if (!(flag & same_flag))
+	{
+	  if (unlikely (p + HBINT16::static_size > end)) return false;
+	  v += *(const HBINT16 *) p;
+	  p += HBINT16::static_size;
+	}
+      }
+      points_.arrayZ[i].*m = v;
+    }
+    return true;
+  }
+
+  bool get_contour_points (contour_point_vector_t &points_ /* OUT */,
+			   bool phantom_only = false) const
+  {
+    const HBUINT16 *endPtsOfContours = &StructAfter<HBUINT16> (header);
+    int num_contours = header.numberOfContours;
+    assert (num_contours);
+    /* One extra item at the end, for the instruction-count below. */
+    if (unlikely (!bytes.check_range (&endPtsOfContours[num_contours]))) return false;
+    unsigned int num_points = endPtsOfContours[num_contours - 1] + 1;
+
+    points_.alloc (num_points + 4); // Allocate for phantom points, to avoid a possible copy
+    if (!points_.resize (num_points)) return false;
+    if (phantom_only) return true;
+
+    for (int i = 0; i < num_contours; i++)
+      points_[endPtsOfContours[i]].is_end_point = true;
+
+    /* Skip instructions */
+    const HBUINT8 *p = &StructAtOffset<HBUINT8> (&endPtsOfContours[num_contours + 1],
+						 endPtsOfContours[num_contours]);
+
+    if (unlikely ((const char *) p < bytes.arrayZ)) return false; /* Unlikely overflow */
+    const HBUINT8 *end = (const HBUINT8 *) (bytes.arrayZ + bytes.length);
+    if (unlikely (p >= end)) return false;
+
+    /* Read x & y coordinates */
+    return read_flags (p, points_, end)
+        && read_points (p, points_, end, &contour_point_t::x,
+			FLAG_X_SHORT, FLAG_X_SAME)
+	&& read_points (p, points_, end, &contour_point_t::y,
+			FLAG_Y_SHORT, FLAG_Y_SAME);
+  }
+
+  static void encode_coord (int value,
+                            uint8_t &flag,
+                            const simple_glyph_flag_t short_flag,
+                            const simple_glyph_flag_t same_flag,
+                            hb_vector_t<uint8_t> &coords /* OUT */)
+  {
+    if (value == 0)
+    {
+      flag |= same_flag;
+    }
+    else if (value >= -255 && value <= 255)
+    {
+      flag |= short_flag;
+      if (value > 0) flag |= same_flag;
+      else value = -value;
+
+      coords.arrayZ[coords.length++] = (uint8_t) value;
+    }
+    else
+    {
+      int16_t val = value;
+      coords.arrayZ[coords.length++] = val >> 8;
+      coords.arrayZ[coords.length++] = val & 0xff;
+    }
+  }
+
+  static void encode_flag (uint8_t &flag,
+                           uint8_t &repeat,
+                           uint8_t lastflag,
+                           hb_vector_t<uint8_t> &flags /* OUT */)
+  {
+    if (flag == lastflag && repeat != 255)
+    {
+      repeat++;
+      if (repeat == 1)
+      {
+        /* We know there's room. */
+        flags.arrayZ[flags.length++] = flag;
+      }
+      else
+      {
+        unsigned len = flags.length;
+        flags.arrayZ[len-2] = flag | FLAG_REPEAT;
+        flags.arrayZ[len-1] = repeat;
+      }
+    }
+    else
+    {
+      repeat = 0;
+      flags.push (flag);
+    }
+  }
+
+  bool compile_bytes_with_deltas (const contour_point_vector_t &all_points,
+                                  bool no_hinting,
+                                  hb_bytes_t &dest_bytes /* OUT */)
+  {
+    if (header.numberOfContours == 0 || all_points.length <= 4)
+    {
+      dest_bytes = hb_bytes_t ();
+      return true;
+    }
+    unsigned num_points = all_points.length - 4;
+
+    hb_vector_t<uint8_t> flags, x_coords, y_coords;
+    if (unlikely (!flags.alloc (num_points))) return false;
+    if (unlikely (!x_coords.alloc (2*num_points))) return false;
+    if (unlikely (!y_coords.alloc (2*num_points))) return false;
+
+    uint8_t lastflag = 255, repeat = 0;
+    int prev_x = 0, prev_y = 0;
+
+    for (unsigned i = 0; i < num_points; i++)
+    {
+      uint8_t flag = all_points.arrayZ[i].flag;
+      flag &= FLAG_ON_CURVE + FLAG_OVERLAP_SIMPLE;
+
+      int cur_x = roundf (all_points.arrayZ[i].x);
+      int cur_y = roundf (all_points.arrayZ[i].y);
+      encode_coord (cur_x - prev_x, flag, FLAG_X_SHORT, FLAG_X_SAME, x_coords);
+      encode_coord (cur_y - prev_y, flag, FLAG_Y_SHORT, FLAG_Y_SAME, y_coords);
+      encode_flag (flag, repeat, lastflag, flags);
+
+      prev_x = cur_x;
+      prev_y = cur_y;
+      lastflag = flag;
+    }
+
+    unsigned len_before_instrs = 2 * header.numberOfContours + 2;
+    unsigned len_instrs = instructions_length ();
+    unsigned total_len = len_before_instrs + flags.length + x_coords.length + y_coords.length;
+
+    if (!no_hinting)
+      total_len += len_instrs;
+
+    char *p = (char *) hb_malloc (total_len);
+    if (unlikely (!p)) return false;
+
+    const char *src = bytes.arrayZ + GlyphHeader::static_size;
+    char *cur = p;
+    hb_memcpy (p, src, len_before_instrs);
+
+    cur += len_before_instrs;
+    src += len_before_instrs;
+
+    if (!no_hinting)
+    {
+      hb_memcpy (cur, src, len_instrs);
+      cur += len_instrs;
+    }
+
+    hb_memcpy (cur, flags.arrayZ, flags.length);
+    cur += flags.length;
+
+    hb_memcpy (cur, x_coords.arrayZ, x_coords.length);
+    cur += x_coords.length;
+
+    hb_memcpy (cur, y_coords.arrayZ, y_coords.length);
+
+    dest_bytes = hb_bytes_t (p, total_len);
+    return true;
+  }
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_SIMPLEGLYPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh
new file mode 100644
index 0000000000..1a0370c757
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh
@@ -0,0 +1,93 @@
+#ifndef OT_GLYF_SUBSETGLYPH_HH
+#define OT_GLYF_SUBSETGLYPH_HH
+
+
+#include "../../hb-open-type.hh"
+
+
+namespace OT {
+
+struct glyf_accelerator_t;
+
+namespace glyf_impl {
+
+
+struct SubsetGlyph
+{
+  hb_codepoint_t old_gid;
+  Glyph source_glyph;
+  hb_bytes_t dest_start;  /* region of source_glyph to copy first */
+  hb_bytes_t dest_end;    /* region of source_glyph to copy second */
+
+  bool serialize (hb_serialize_context_t *c,
+		  bool use_short_loca,
+		  const hb_subset_plan_t *plan,
+		  hb_font_t *font)
+  {
+    TRACE_SERIALIZE (this);
+
+    if (font)
+    {
+      const OT::glyf_accelerator_t &glyf = *font->face->table.glyf;
+      if (!this->compile_bytes_with_deltas (plan, font, glyf))
+        return_trace (false);
+    }
+
+    hb_bytes_t dest_glyph = dest_start.copy (c);
+    dest_glyph = hb_bytes_t (&dest_glyph, dest_glyph.length + dest_end.copy (c).length);
+    unsigned int pad_length = use_short_loca ? padding () : 0;
+    DEBUG_MSG (SUBSET, nullptr, "serialize %d byte glyph, width %d pad %d", dest_glyph.length, dest_glyph.length + pad_length, pad_length);
+
+    HBUINT8 pad;
+    pad = 0;
+    while (pad_length > 0)
+    {
+      c->embed (pad);
+      pad_length--;
+    }
+
+    if (unlikely (!dest_glyph.length)) return_trace (true);
+
+    /* update components gids */
+    for (auto &_ : Glyph (dest_glyph).get_composite_iterator ())
+    {
+      hb_codepoint_t new_gid;
+      if (plan->new_gid_for_old_gid (_.get_gid(), &new_gid))
+	const_cast<CompositeGlyphRecord &> (_).set_gid (new_gid);
+    }
+
+    if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+      Glyph (dest_glyph).drop_hints ();
+
+    if (plan->flags & HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG)
+      Glyph (dest_glyph).set_overlaps_flag ();
+
+    return_trace (true);
+  }
+
+  bool compile_bytes_with_deltas (const hb_subset_plan_t *plan,
+                                  hb_font_t *font,
+                                  const glyf_accelerator_t &glyf)
+  { return source_glyph.compile_bytes_with_deltas (plan, font, glyf, dest_start, dest_end); }
+
+  void free_compiled_bytes ()
+  {
+    dest_start.fini ();
+    dest_end.fini ();
+  }
+
+  void drop_hints_bytes ()
+  { source_glyph.drop_hints_bytes (dest_start, dest_end); }
+
+  unsigned int      length () const { return dest_start.length + dest_end.length; }
+  /* pad to 2 to ensure 2-byte loca will be ok */
+  unsigned int     padding () const { return length () % 2; }
+  unsigned int padded_size () const { return length () + padding (); }
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_SUBSETGLYPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh
new file mode 100644
index 0000000000..0f4c71c83d
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh
@@ -0,0 +1,353 @@
+#ifndef OT_GLYF_VARCOMPOSITEGLYPH_HH
+#define OT_GLYF_VARCOMPOSITEGLYPH_HH
+
+
+#include "../../hb-open-type.hh"
+#include "coord-setter.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct VarCompositeGlyphRecord
+{
+  protected:
+  enum var_composite_glyph_flag_t
+  {
+    USE_MY_METRICS		= 0x0001,
+    AXIS_INDICES_ARE_SHORT	= 0x0002,
+    UNIFORM_SCALE		= 0x0004,
+    HAVE_TRANSLATE_X		= 0x0008,
+    HAVE_TRANSLATE_Y		= 0x0010,
+    HAVE_ROTATION		= 0x0020,
+    HAVE_SCALE_X		= 0x0040,
+    HAVE_SCALE_Y		= 0x0080,
+    HAVE_SKEW_X			= 0x0100,
+    HAVE_SKEW_Y			= 0x0200,
+    HAVE_TCENTER_X		= 0x0400,
+    HAVE_TCENTER_Y		= 0x0800,
+    GID_IS_24			= 0x1000,
+    AXES_HAVE_VARIATION		= 0x2000,
+  };
+
+  public:
+
+  unsigned int get_size () const
+  {
+    unsigned int size = min_size;
+
+    unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 4 : 3;
+    size += numAxes * axis_width;
+
+    // gid
+    size += 2;
+    if (flags & GID_IS_24)		size += 1;
+
+    if (flags & HAVE_TRANSLATE_X)	size += 2;
+    if (flags & HAVE_TRANSLATE_Y)	size += 2;
+    if (flags & HAVE_ROTATION)		size += 2;
+    if (flags & HAVE_SCALE_X)		size += 2;
+    if (flags & HAVE_SCALE_Y)		size += 2;
+    if (flags & HAVE_SKEW_X)		size += 2;
+    if (flags & HAVE_SKEW_Y)		size += 2;
+    if (flags & HAVE_TCENTER_X)		size += 2;
+    if (flags & HAVE_TCENTER_Y)		size += 2;
+
+    return size;
+  }
+
+  bool has_more () const { return true; }
+
+  bool is_use_my_metrics () const { return flags & USE_MY_METRICS; }
+
+  hb_codepoint_t get_gid () const
+  {
+    if (flags & GID_IS_24)
+      return StructAfter<const HBGlyphID24> (numAxes);
+    else
+      return StructAfter<const HBGlyphID16> (numAxes);
+  }
+
+  unsigned get_numAxes () const
+  {
+    return numAxes;
+  }
+
+  unsigned get_num_points () const
+  {
+    unsigned num = 0;
+    if (flags & AXES_HAVE_VARIATION)			num += numAxes;
+    if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y))	num++;
+    if (flags & HAVE_ROTATION)				num++;
+    if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y))		num++;
+    if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y))		num++;
+    if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y))	num++;
+    return num;
+  }
+
+  void transform_points (hb_array_t<contour_point_t> record_points,
+			 contour_point_vector_t &points) const
+  {
+    float matrix[4];
+    contour_point_t trans;
+
+    get_transformation_from_points (record_points, matrix, trans);
+
+    points.transform (matrix);
+    points.translate (trans);
+  }
+
+  static inline void transform (float (&matrix)[4], contour_point_t &trans,
+				float (other)[6])
+  {
+    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L268
+    float xx1 = other[0];
+    float xy1 = other[1];
+    float yx1 = other[2];
+    float yy1 = other[3];
+    float dx1 = other[4];
+    float dy1 = other[5];
+    float xx2 = matrix[0];
+    float xy2 = matrix[1];
+    float yx2 = matrix[2];
+    float yy2 = matrix[3];
+    float dx2 = trans.x;
+    float dy2 = trans.y;
+
+    matrix[0] = xx1*xx2 + xy1*yx2;
+    matrix[1] = xx1*xy2 + xy1*yy2;
+    matrix[2] = yx1*xx2 + yy1*yx2;
+    matrix[3] = yx1*xy2 + yy1*yy2;
+    trans.x = xx2*dx1 + yx2*dy1 + dx2;
+    trans.y = xy2*dx1 + yy2*dy1 + dy2;
+  }
+
+  static void translate (float (&matrix)[4], contour_point_t &trans,
+			 float translateX, float translateY)
+  {
+    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L213
+    float other[6] = {1.f, 0.f, 0.f, 1.f, translateX, translateY};
+    transform (matrix, trans, other);
+  }
+
+  static void scale (float (&matrix)[4], contour_point_t &trans,
+		     float scaleX, float scaleY)
+  {
+    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L224
+    float other[6] = {scaleX, 0.f, 0.f, scaleY, 0.f, 0.f};
+    transform (matrix, trans, other);
+  }
+
+  static void rotate (float (&matrix)[4], contour_point_t &trans,
+		      float rotation)
+  {
+    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L240
+    rotation = rotation * float (M_PI);
+    float c = cosf (rotation);
+    float s = sinf (rotation);
+    float other[6] = {c, s, -s, c, 0.f, 0.f};
+    transform (matrix, trans, other);
+  }
+
+  static void skew (float (&matrix)[4], contour_point_t &trans,
+		    float skewX, float skewY)
+  {
+    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L255
+    skewX = skewX * float (M_PI);
+    skewY = skewY * float (M_PI);
+    float other[6] = {1.f, tanf (skewY), tanf (skewX), 1.f, 0.f, 0.f};
+    transform (matrix, trans, other);
+  }
+
+  bool get_points (contour_point_vector_t &points) const
+  {
+    float translateX = 0.f;
+    float translateY = 0.f;
+    float rotation = 0.f;
+    float scaleX = 1.f * (1 << 12);
+    float scaleY = 1.f * (1 << 12);
+    float skewX = 0.f;
+    float skewY = 0.f;
+    float tCenterX = 0.f;
+    float tCenterY = 0.f;
+
+    if (unlikely (!points.resize (points.length + get_num_points ()))) return false;
+
+    unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1;
+    unsigned axes_size = numAxes * axis_width;
+
+    const F2DOT14 *q = (const F2DOT14 *) (axes_size +
+					  (flags & GID_IS_24 ? 3 : 2) +
+					  &StructAfter<const HBUINT8> (numAxes));
+
+    hb_array_t<contour_point_t> rec_points = points.as_array ().sub_array (points.length - get_num_points ());
+
+    unsigned count = numAxes;
+    if (flags & AXES_HAVE_VARIATION)
+    {
+      for (unsigned i = 0; i < count; i++)
+	rec_points[i].x = *q++;
+      rec_points += count;
+    }
+    else
+      q += count;
+
+    const HBUINT16 *p = (const HBUINT16 *) q;
+
+    if (flags & HAVE_TRANSLATE_X)	translateX = * (const FWORD *) p++;
+    if (flags & HAVE_TRANSLATE_Y)	translateY = * (const FWORD *) p++;
+    if (flags & HAVE_ROTATION)		rotation = * (const F2DOT14 *) p++;
+    if (flags & HAVE_SCALE_X)		scaleX = * (const F4DOT12 *) p++;
+    if (flags & HAVE_SCALE_Y)		scaleY = * (const F4DOT12 *) p++;
+    if (flags & HAVE_SKEW_X)		skewX = * (const F2DOT14 *) p++;
+    if (flags & HAVE_SKEW_Y)		skewY = * (const F2DOT14 *) p++;
+    if (flags & HAVE_TCENTER_X)		tCenterX = * (const FWORD *) p++;
+    if (flags & HAVE_TCENTER_Y)		tCenterY = * (const FWORD *) p++;
+
+    if ((flags & UNIFORM_SCALE) && !(flags & HAVE_SCALE_Y))
+      scaleY = scaleX;
+
+    if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y))
+    {
+      rec_points[0].x = translateX;
+      rec_points[0].y = translateY;
+      rec_points++;
+    }
+    if (flags & HAVE_ROTATION)
+    {
+      rec_points[0].x = rotation;
+      rec_points++;
+    }
+    if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y))
+    {
+      rec_points[0].x = scaleX;
+      rec_points[0].y = scaleY;
+      rec_points++;
+    }
+    if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y))
+    {
+      rec_points[0].x = skewX;
+      rec_points[0].y = skewY;
+      rec_points++;
+    }
+    if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y))
+    {
+      rec_points[0].x = tCenterX;
+      rec_points[0].y = tCenterY;
+      rec_points++;
+    }
+    assert (!rec_points);
+
+    return true;
+  }
+
+  void get_transformation_from_points (hb_array_t<contour_point_t> rec_points,
+				       float (&matrix)[4], contour_point_t &trans) const
+  {
+    if (flags & AXES_HAVE_VARIATION)
+      rec_points += numAxes;
+
+    matrix[0] = matrix[3] = 1.f;
+    matrix[1] = matrix[2] = 0.f;
+    trans.init (0.f, 0.f);
+
+    float translateX = 0.f;
+    float translateY = 0.f;
+    float rotation = 0.f;
+    float scaleX = 1.f;
+    float scaleY = 1.f;
+    float skewX = 0.f;
+    float skewY = 0.f;
+    float tCenterX = 0.f;
+    float tCenterY = 0.f;
+
+    if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y))
+    {
+      translateX = rec_points[0].x;
+      translateY = rec_points[0].y;
+      rec_points++;
+    }
+    if (flags & HAVE_ROTATION)
+    {
+      rotation = rec_points[0].x / (1 << 14);
+      rec_points++;
+    }
+    if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y))
+    {
+      scaleX = rec_points[0].x / (1 << 12);
+      scaleY = rec_points[0].y / (1 << 12);
+      rec_points++;
+    }
+    if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y))
+    {
+      skewX = rec_points[0].x / (1 << 14);
+      skewY = rec_points[0].y / (1 << 14);
+      rec_points++;
+    }
+    if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y))
+    {
+      tCenterX = rec_points[0].x;
+      tCenterY = rec_points[0].y;
+      rec_points++;
+    }
+    assert (!rec_points);
+
+    translate (matrix, trans, translateX + tCenterX, translateY + tCenterY);
+    rotate (matrix, trans, rotation);
+    scale (matrix, trans, scaleX, scaleY);
+    skew (matrix, trans, -skewX, skewY);
+    translate (matrix, trans, -tCenterX, -tCenterY);
+  }
+
+  void set_variations (coord_setter_t &setter,
+		       hb_array_t<contour_point_t> rec_points) const
+  {
+    bool have_variations = flags & AXES_HAVE_VARIATION;
+    unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1;
+
+    const HBUINT8  *p = (const HBUINT8 *)  (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2));
+    const HBUINT16 *q = (const HBUINT16 *) (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2));
+
+    const F2DOT14 *a = (const F2DOT14 *) ((HBUINT8 *) (axis_width == 1 ? (p + numAxes) : (HBUINT8 *) (q + numAxes)));
+
+    unsigned count = numAxes;
+    for (unsigned i = 0; i < count; i++)
+    {
+      unsigned axis_index = axis_width == 1 ? (unsigned) *p++ : (unsigned) *q++;
+
+      signed v = have_variations ? rec_points[i].x : *a++;
+
+      v += setter[axis_index];
+      v = hb_clamp (v, -(1<<14), (1<<14));
+      setter[axis_index] = v;
+    }
+  }
+
+  protected:
+  HBUINT16	flags;
+  HBUINT8	numAxes;
+  public:
+  DEFINE_SIZE_MIN (3);
+};
+
+using var_composite_iter_t = composite_iter_tmpl<VarCompositeGlyphRecord>;
+
+struct VarCompositeGlyph
+{
+  const GlyphHeader &header;
+  hb_bytes_t bytes;
+  VarCompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) :
+    header (header_), bytes (bytes_) {}
+
+  var_composite_iter_t iter () const
+  { return var_composite_iter_t (bytes, &StructAfter<VarCompositeGlyphRecord, GlyphHeader> (header)); }
+
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_VARCOMPOSITEGLYPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh
new file mode 100644
index 0000000000..d05701f3d1
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh
@@ -0,0 +1,68 @@
+#ifndef OT_GLYF_COMPOSITE_ITER_HH
+#define OT_GLYF_COMPOSITE_ITER_HH
+
+
+#include "../../hb.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+template <typename CompositeGlyphRecord>
+struct composite_iter_tmpl : hb_iter_with_fallback_t<composite_iter_tmpl<CompositeGlyphRecord>,
+						     const CompositeGlyphRecord &>
+{
+  typedef const CompositeGlyphRecord *__item_t__;
+  composite_iter_tmpl (hb_bytes_t glyph_, __item_t__ current_) :
+      glyph (glyph_), current (nullptr), current_size (0)
+  {
+    set_current (current_);
+  }
+
+  composite_iter_tmpl () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {}
+
+  const CompositeGlyphRecord & __item__ () const { return *current; }
+  bool __more__ () const { return current; }
+  void __next__ ()
+  {
+    if (!current->has_more ()) { current = nullptr; return; }
+
+    set_current (&StructAtOffset<CompositeGlyphRecord> (current, current_size));
+  }
+  composite_iter_tmpl __end__ () const { return composite_iter_tmpl (); }
+  bool operator != (const composite_iter_tmpl& o) const
+  { return current != o.current; }
+
+
+  void set_current (__item_t__ current_)
+  {
+    if (!glyph.check_range (current_, CompositeGlyphRecord::min_size))
+    {
+      current = nullptr;
+      current_size = 0;
+      return;
+    }
+    unsigned size = current_->get_size ();
+    if (!glyph.check_range (current_, size))
+    {
+      current = nullptr;
+      current_size = 0;
+      return;
+    }
+
+    current = current_;
+    current_size = size;
+  }
+
+  private:
+  hb_bytes_t glyph;
+  __item_t__ current;
+  unsigned current_size;
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+#endif /* OT_GLYF_COMPOSITE_ITER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh
new file mode 100644
index 0000000000..df64ed5af7
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh
@@ -0,0 +1,34 @@
+#ifndef OT_GLYF_COORD_SETTER_HH
+#define OT_GLYF_COORD_SETTER_HH
+
+
+#include "../../hb.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct coord_setter_t
+{
+  coord_setter_t (hb_array_t<int> coords) :
+    coords (coords) {}
+
+  int& operator [] (unsigned idx)
+  {
+    if (coords.length < idx + 1)
+      coords.resize (idx + 1);
+    return coords[idx];
+  }
+
+  hb_array_t<int> get_coords ()
+  { return coords.as_array (); }
+
+  hb_vector_t<int> coords;
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+#endif /* OT_GLYF_COORD_SETTER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh
new file mode 100644
index 0000000000..181c33d06d
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh
@@ -0,0 +1,90 @@
+#ifndef OT_GLYF_GLYF_HELPERS_HH
+#define OT_GLYF_GLYF_HELPERS_HH
+
+
+#include "../../hb-open-type.hh"
+#include "../../hb-subset-plan.hh"
+
+#include "loca.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+template<typename IteratorIn, typename IteratorOut,
+	 hb_requires (hb_is_source_of (IteratorIn, unsigned int)),
+	 hb_requires (hb_is_sink_of (IteratorOut, unsigned))>
+static void
+_write_loca (IteratorIn&& it, bool short_offsets, IteratorOut&& dest)
+{
+  unsigned right_shift = short_offsets ? 1 : 0;
+  unsigned int offset = 0;
+  dest << 0;
+  + it
+  | hb_map ([=, &offset] (unsigned int padded_size)
+	    {
+	      offset += padded_size;
+	      DEBUG_MSG (SUBSET, nullptr, "loca entry offset %d", offset);
+	      return offset >> right_shift;
+	    })
+  | hb_sink (dest)
+  ;
+}
+
+static bool
+_add_head_and_set_loca_version (hb_subset_plan_t *plan, bool use_short_loca)
+{
+  hb_blob_t *head_blob = hb_sanitize_context_t ().reference_table<head> (plan->source);
+  hb_blob_t *head_prime_blob = hb_blob_copy_writable_or_fail (head_blob);
+  hb_blob_destroy (head_blob);
+
+  if (unlikely (!head_prime_blob))
+    return false;
+
+  head *head_prime = (head *) hb_blob_get_data_writable (head_prime_blob, nullptr);
+  head_prime->indexToLocFormat = use_short_loca ? 0 : 1;
+  bool success = plan->add_table (HB_OT_TAG_head, head_prime_blob);
+
+  hb_blob_destroy (head_prime_blob);
+  return success;
+}
+
+template<typename Iterator,
+	 hb_requires (hb_is_source_of (Iterator, unsigned int))>
+static bool
+_add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_short_loca)
+{
+  unsigned num_offsets = padded_offsets.len () + 1;
+  unsigned entry_size = use_short_loca ? 2 : 4;
+  char *loca_prime_data = (char *) hb_calloc (entry_size, num_offsets);
+
+  if (unlikely (!loca_prime_data)) return false;
+
+  DEBUG_MSG (SUBSET, nullptr, "loca entry_size %d num_offsets %d size %d",
+	     entry_size, num_offsets, entry_size * num_offsets);
+
+  if (use_short_loca)
+    _write_loca (padded_offsets, true, hb_array ((HBUINT16 *) loca_prime_data, num_offsets));
+  else
+    _write_loca (padded_offsets, false, hb_array ((HBUINT32 *) loca_prime_data, num_offsets));
+
+  hb_blob_t *loca_blob = hb_blob_create (loca_prime_data,
+					 entry_size * num_offsets,
+					 HB_MEMORY_MODE_WRITABLE,
+					 loca_prime_data,
+					 hb_free);
+
+  bool result = plan->add_table (HB_OT_TAG_loca, loca_blob)
+	     && _add_head_and_set_loca_version (plan, use_short_loca);
+
+  hb_blob_destroy (loca_blob);
+  return result;
+}
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_GLYF_HELPERS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh
new file mode 100644
index 0000000000..e6e985c38c
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh
@@ -0,0 +1,448 @@
+#ifndef OT_GLYF_GLYF_HH
+#define OT_GLYF_GLYF_HH
+
+
+#include "../../hb-open-type.hh"
+#include "../../hb-ot-head-table.hh"
+#include "../../hb-ot-hmtx-table.hh"
+#include "../../hb-ot-var-gvar-table.hh"
+#include "../../hb-draw.hh"
+
+#include "glyf-helpers.hh"
+#include "Glyph.hh"
+#include "SubsetGlyph.hh"
+#include "loca.hh"
+#include "path-builder.hh"
+
+
+namespace OT {
+
+
+/*
+ * glyf -- TrueType Glyph Data
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/glyf
+ */
+#define HB_OT_TAG_glyf HB_TAG('g','l','y','f')
+
+struct glyf
+{
+  friend struct glyf_accelerator_t;
+
+  static constexpr hb_tag_t tableTag = HB_OT_TAG_glyf;
+
+  bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const
+  {
+    TRACE_SANITIZE (this);
+    /* Runtime checks as eager sanitizing each glyph is costy */
+    return_trace (true);
+  }
+
+  /* requires source of SubsetGlyph complains the identifier isn't declared */
+  template <typename Iterator>
+  bool serialize (hb_serialize_context_t *c,
+		  Iterator it,
+                  bool use_short_loca,
+		  const hb_subset_plan_t *plan,
+		  hb_font_t *font)
+  {
+    TRACE_SERIALIZE (this);
+
+    unsigned init_len = c->length ();
+    for (auto &_ : it)
+      if (unlikely (!_.serialize (c, use_short_loca, plan, font)))
+        return false;
+
+    /* As a special case when all glyph in the font are empty, add a zero byte
+     * to the table, so that OTS doesn’t reject it, and to make the table work
+     * on Windows as well.
+     * See https://github.com/khaledhosny/ots/issues/52 */
+    if (init_len == c->length ())
+    {
+      HBUINT8 empty_byte;
+      empty_byte = 0;
+      c->copy (empty_byte);
+    }
+    return_trace (true);
+  }
+
+  /* Byte region(s) per glyph to output
+     unpadded, hints removed if so requested
+     If we fail to process a glyph we produce an empty (0-length) glyph */
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+
+    glyf *glyf_prime = c->serializer->start_embed <glyf> ();
+    if (unlikely (!c->serializer->check_success (glyf_prime))) return_trace (false);
+
+    hb_vector_t<glyf_impl::SubsetGlyph> glyphs;
+    _populate_subset_glyphs (c->plan, glyphs);
+
+    hb_font_t *font = nullptr;
+    if (!c->plan->pinned_at_default)
+    {
+      font = _create_font_for_instancing (c->plan);
+      if (unlikely (!font)) return false;
+    }
+
+    auto padded_offsets =
+    + hb_iter (glyphs)
+    | hb_map (&glyf_impl::SubsetGlyph::padded_size)
+    ;
+
+    bool use_short_loca = false;
+    if (likely (!c->plan->force_long_loca))
+    {
+      unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0);
+      use_short_loca = max_offset < 0x1FFFF;
+    }
+
+    glyf_prime->serialize (c->serializer, glyphs.writer (), use_short_loca, c->plan, font);
+    if (!use_short_loca) {
+      padded_offsets =
+          + hb_iter (glyphs)
+          | hb_map (&glyf_impl::SubsetGlyph::length)
+          ;
+    }
+
+    if (font)
+    {
+      _free_compiled_subset_glyphs (&glyphs);
+      hb_font_destroy (font);
+    }
+
+    if (unlikely (c->serializer->in_error ())) return_trace (false);
+    return_trace (c->serializer->check_success (glyf_impl::_add_loca_and_head (c->plan,
+									       padded_offsets,
+									       use_short_loca)));
+  }
+
+  void
+  _populate_subset_glyphs (const hb_subset_plan_t   *plan,
+			   hb_vector_t<glyf_impl::SubsetGlyph> &glyphs /* OUT */) const;
+
+  hb_font_t *
+  _create_font_for_instancing (const hb_subset_plan_t *plan) const;
+
+  void _free_compiled_subset_glyphs (hb_vector_t<glyf_impl::SubsetGlyph> *glyphs) const
+  {
+    for (auto _ : *glyphs)
+      _.free_compiled_bytes ();
+  }
+
+  protected:
+  UnsizedArrayOf<HBUINT8>
+		dataZ;	/* Glyphs data. */
+  public:
+  DEFINE_SIZE_MIN (0);	/* In reality, this is UNBOUNDED() type; but since we always
+			 * check the size externally, allow Null() object of it by
+			 * defining it _MIN instead. */
+};
+
+struct glyf_accelerator_t
+{
+  glyf_accelerator_t (hb_face_t *face)
+  {
+    short_offset = false;
+    num_glyphs = 0;
+    loca_table = nullptr;
+    glyf_table = nullptr;
+#ifndef HB_NO_VAR
+    gvar = nullptr;
+#endif
+    hmtx = nullptr;
+#ifndef HB_NO_VERTICAL
+    vmtx = nullptr;
+#endif
+    const OT::head &head = *face->table.head;
+    if (head.indexToLocFormat > 1 || head.glyphDataFormat > 0)
+      /* Unknown format.  Leave num_glyphs=0, that takes care of disabling us. */
+      return;
+    short_offset = 0 == head.indexToLocFormat;
+
+    loca_table = face->table.loca.get_blob (); // Needs no destruct!
+    glyf_table = hb_sanitize_context_t ().reference_table<glyf> (face);
+#ifndef HB_NO_VAR
+    gvar = face->table.gvar;
+#endif
+    hmtx = face->table.hmtx;
+#ifndef HB_NO_VERTICAL
+    vmtx = face->table.vmtx;
+#endif
+
+    num_glyphs = hb_max (1u, loca_table.get_length () / (short_offset ? 2 : 4)) - 1;
+    num_glyphs = hb_min (num_glyphs, face->get_num_glyphs ());
+  }
+  ~glyf_accelerator_t ()
+  {
+    glyf_table.destroy ();
+  }
+
+  bool has_data () const { return num_glyphs; }
+
+  protected:
+  template<typename T>
+  bool get_points (hb_font_t *font, hb_codepoint_t gid, T consumer) const
+  {
+    if (gid >= num_glyphs) return false;
+
+    /* Making this allocfree is not that easy
+       https://github.com/harfbuzz/harfbuzz/issues/2095
+       mostly because of gvar handling in VF fonts,
+       perhaps a separate path for non-VF fonts can be considered */
+    contour_point_vector_t all_points;
+
+    bool phantom_only = !consumer.is_consuming_contour_points ();
+    if (unlikely (!glyph_for_gid (gid).get_points (font, *this, all_points, nullptr, true, true, phantom_only)))
+      return false;
+
+    if (consumer.is_consuming_contour_points ())
+    {
+      unsigned count = all_points.length;
+      assert (count >= glyf_impl::PHANTOM_COUNT);
+      count -= glyf_impl::PHANTOM_COUNT;
+      for (unsigned point_index = 0; point_index < count; point_index++)
+	consumer.consume_point (all_points[point_index]);
+      consumer.points_end ();
+    }
+
+    /* Where to write phantoms, nullptr if not requested */
+    contour_point_t *phantoms = consumer.get_phantoms_sink ();
+    if (phantoms)
+      for (unsigned i = 0; i < glyf_impl::PHANTOM_COUNT; ++i)
+	phantoms[i] = all_points[all_points.length - glyf_impl::PHANTOM_COUNT + i];
+
+    return true;
+  }
+
+#ifndef HB_NO_VAR
+  struct points_aggregator_t
+  {
+    hb_font_t *font;
+    hb_glyph_extents_t *extents;
+    contour_point_t *phantoms;
+    bool scaled;
+
+    struct contour_bounds_t
+    {
+      contour_bounds_t () { min_x = min_y = FLT_MAX; max_x = max_y = -FLT_MAX; }
+
+      void add (const contour_point_t &p)
+      {
+	min_x = hb_min (min_x, p.x);
+	min_y = hb_min (min_y, p.y);
+	max_x = hb_max (max_x, p.x);
+	max_y = hb_max (max_y, p.y);
+      }
+
+      bool empty () const { return (min_x >= max_x) || (min_y >= max_y); }
+
+      void get_extents (hb_font_t *font, hb_glyph_extents_t *extents, bool scaled)
+      {
+	if (unlikely (empty ()))
+	{
+	  extents->width = 0;
+	  extents->x_bearing = 0;
+	  extents->height = 0;
+	  extents->y_bearing = 0;
+	  return;
+	}
+	if (scaled)
+	{
+	  extents->x_bearing = font->em_scalef_x (min_x);
+	  extents->width = font->em_scalef_x (max_x) - extents->x_bearing;
+	  extents->y_bearing = font->em_scalef_y (max_y);
+	  extents->height = font->em_scalef_y (min_y) - extents->y_bearing;
+	}
+	else
+	{
+	  extents->x_bearing = roundf (min_x);
+	  extents->width = roundf (max_x - extents->x_bearing);
+	  extents->y_bearing = roundf (max_y);
+	  extents->height = roundf (min_y - extents->y_bearing);
+	}
+      }
+
+      protected:
+      float min_x, min_y, max_x, max_y;
+    } bounds;
+
+    points_aggregator_t (hb_font_t *font_, hb_glyph_extents_t *extents_, contour_point_t *phantoms_, bool scaled_)
+    {
+      font = font_;
+      extents = extents_;
+      phantoms = phantoms_;
+      scaled = scaled_;
+      if (extents) bounds = contour_bounds_t ();
+    }
+
+    void consume_point (const contour_point_t &point) { bounds.add (point); }
+    void points_end () { bounds.get_extents (font, extents, scaled); }
+
+    bool is_consuming_contour_points () { return extents; }
+    contour_point_t *get_phantoms_sink () { return phantoms; }
+  };
+
+  public:
+  unsigned
+  get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const
+  {
+    if (unlikely (gid >= num_glyphs)) return 0;
+
+    bool success = false;
+
+    contour_point_t phantoms[glyf_impl::PHANTOM_COUNT];
+    if (font->num_coords)
+      success = get_points (font, gid, points_aggregator_t (font, nullptr, phantoms, false));
+
+    if (unlikely (!success))
+      return
+#ifndef HB_NO_VERTICAL
+	is_vertical ? vmtx->get_advance_without_var_unscaled (gid) :
+#endif
+	hmtx->get_advance_without_var_unscaled (gid);
+
+    float result = is_vertical
+		 ? phantoms[glyf_impl::PHANTOM_TOP].y - phantoms[glyf_impl::PHANTOM_BOTTOM].y
+		 : phantoms[glyf_impl::PHANTOM_RIGHT].x - phantoms[glyf_impl::PHANTOM_LEFT].x;
+    return hb_clamp (roundf (result), 0.f, (float) UINT_MAX / 2);
+  }
+
+  bool get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t gid, bool is_vertical, int *lsb) const
+  {
+    if (unlikely (gid >= num_glyphs)) return false;
+
+    hb_glyph_extents_t extents;
+
+    contour_point_t phantoms[glyf_impl::PHANTOM_COUNT];
+    if (unlikely (!get_points (font, gid, points_aggregator_t (font, &extents, phantoms, false))))
+      return false;
+
+    *lsb = is_vertical
+	 ? roundf (phantoms[glyf_impl::PHANTOM_TOP].y) - extents.y_bearing
+	 : roundf (phantoms[glyf_impl::PHANTOM_LEFT].x);
+    return true;
+  }
+#endif
+
+  public:
+  bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const
+  {
+    if (unlikely (gid >= num_glyphs)) return false;
+
+#ifndef HB_NO_VAR
+    if (font->num_coords)
+      return get_points (font, gid, points_aggregator_t (font, extents, nullptr, true));
+#endif
+    return glyph_for_gid (gid).get_extents_without_var_scaled (font, *this, extents);
+  }
+
+  const glyf_impl::Glyph
+  glyph_for_gid (hb_codepoint_t gid, bool needs_padding_removal = false) const
+  {
+    if (unlikely (gid >= num_glyphs)) return glyf_impl::Glyph ();
+
+    unsigned int start_offset, end_offset;
+
+    if (short_offset)
+    {
+      const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataZ.arrayZ;
+      start_offset = 2 * offsets[gid];
+      end_offset   = 2 * offsets[gid + 1];
+    }
+    else
+    {
+      const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataZ.arrayZ;
+      start_offset = offsets[gid];
+      end_offset   = offsets[gid + 1];
+    }
+
+    if (unlikely (start_offset > end_offset || end_offset > glyf_table.get_length ()))
+      return glyf_impl::Glyph ();
+
+    glyf_impl::Glyph glyph (hb_bytes_t ((const char *) this->glyf_table + start_offset,
+			     end_offset - start_offset), gid);
+    return needs_padding_removal ? glyf_impl::Glyph (glyph.trim_padding (), gid) : glyph;
+  }
+
+  bool
+  get_path (hb_font_t *font, hb_codepoint_t gid, hb_draw_session_t &draw_session) const
+  { return get_points (font, gid, glyf_impl::path_builder_t (font, draw_session)); }
+
+#ifndef HB_NO_VAR
+  const gvar_accelerator_t *gvar;
+#endif
+  const hmtx_accelerator_t *hmtx;
+#ifndef HB_NO_VERTICAL
+  const vmtx_accelerator_t *vmtx;
+#endif
+
+  private:
+  bool short_offset;
+  unsigned int num_glyphs;
+  hb_blob_ptr_t<loca> loca_table;
+  hb_blob_ptr_t<glyf> glyf_table;
+};
+
+
+inline void
+glyf::_populate_subset_glyphs (const hb_subset_plan_t   *plan,
+			       hb_vector_t<glyf_impl::SubsetGlyph>& glyphs /* OUT */) const
+{
+  OT::glyf_accelerator_t glyf (plan->source);
+  unsigned num_glyphs = plan->num_output_glyphs ();
+  if (!glyphs.resize (num_glyphs)) return;
+
+  for (auto p : plan->glyph_map->iter ())
+  {
+    unsigned new_gid = p.second;
+    glyf_impl::SubsetGlyph& subset_glyph = glyphs.arrayZ[new_gid];
+    subset_glyph.old_gid = p.first;
+
+    if (unlikely (new_gid == 0 &&
+                  !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE)) &&
+                  plan->pinned_at_default)
+      subset_glyph.source_glyph = glyf_impl::Glyph ();
+    else
+    {
+      /* If plan has an accelerator, the preprocessing step already trimmed glyphs.
+       * Don't trim them again! */
+      subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, !plan->accelerator);
+    }
+
+    if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+      subset_glyph.drop_hints_bytes ();
+    else
+      subset_glyph.dest_start = subset_glyph.source_glyph.get_bytes ();
+  }
+}
+
+inline hb_font_t *
+glyf::_create_font_for_instancing (const hb_subset_plan_t *plan) const
+{
+  hb_font_t *font = hb_font_create (plan->source);
+  if (unlikely (font == hb_font_get_empty ())) return nullptr;
+
+  hb_vector_t<hb_variation_t> vars;
+  if (unlikely (!vars.alloc (plan->user_axes_location->get_population ())))
+    return nullptr;
+
+  for (auto _ : *plan->user_axes_location)
+  {
+    hb_variation_t var;
+    var.tag = _.first;
+    var.value = _.second;
+    vars.push (var);
+  }
+
+#ifndef HB_NO_VAR
+  hb_font_set_variations (font, vars.arrayZ, plan->user_axes_location->get_population ());
+#endif
+  return font;
+}
+
+
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_GLYF_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh
new file mode 100644
index 0000000000..4481cba8ed
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh
@@ -0,0 +1,43 @@
+#ifndef OT_GLYF_LOCA_HH
+#define OT_GLYF_LOCA_HH
+
+
+#include "../../hb-open-type.hh"
+
+
+namespace OT {
+
+
+/*
+ * loca -- Index to Location
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/loca
+ */
+#define HB_OT_TAG_loca HB_TAG('l','o','c','a')
+
+struct loca
+{
+  friend struct glyf;
+  friend struct glyf_accelerator_t;
+
+  static constexpr hb_tag_t tableTag = HB_OT_TAG_loca;
+
+  bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (true);
+  }
+
+  protected:
+  UnsizedArrayOf<HBUINT8>
+		dataZ;	/* Location data. */
+  public:
+  DEFINE_SIZE_MIN (0);	/* In reality, this is UNBOUNDED() type; but since we always
+			 * check the size externally, allow Null() object of it by
+			 * defining it _MIN instead. */
+};
+
+
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_LOCA_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh
new file mode 100644
index 0000000000..9bfc45a1a6
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh
@@ -0,0 +1,135 @@
+#ifndef OT_GLYF_PATH_BUILDER_HH
+#define OT_GLYF_PATH_BUILDER_HH
+
+
+#include "../../hb.hh"
+
+
+namespace OT {
+namespace glyf_impl {
+
+
+struct path_builder_t
+{
+  hb_font_t *font;
+  hb_draw_session_t *draw_session;
+
+  struct optional_point_t
+  {
+    optional_point_t () {}
+    optional_point_t (float x_, float y_) : has_data (true), x (x_), y (y_) {}
+    operator bool () const { return has_data; }
+
+    bool has_data = false;
+    float x = 0.;
+    float y = 0.;
+
+    optional_point_t lerp (optional_point_t p, float t)
+    { return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); }
+  } first_oncurve, first_offcurve, last_offcurve;
+
+  path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_)
+  {
+    font = font_;
+    draw_session = &draw_session_;
+    first_oncurve = first_offcurve = last_offcurve = optional_point_t ();
+  }
+
+  /* based on https://github.com/RazrFalcon/ttf-parser/blob/4f32821/src/glyf.rs#L287
+     See also:
+     * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM01/Chap1.html
+     * https://stackoverflow.com/a/20772557 */
+  void consume_point (const contour_point_t &point)
+  {
+    bool is_on_curve = point.flag & glyf_impl::SimpleGlyph::FLAG_ON_CURVE;
+    optional_point_t p (font->em_fscalef_x (point.x), font->em_fscalef_y (point.y));
+    if (!first_oncurve)
+    {
+      if (is_on_curve)
+      {
+	first_oncurve = p;
+	draw_session->move_to (p.x, p.y);
+      }
+      else
+      {
+	if (first_offcurve)
+	{
+	  optional_point_t mid = first_offcurve.lerp (p, .5f);
+	  first_oncurve = mid;
+	  last_offcurve = p;
+	  draw_session->move_to (mid.x, mid.y);
+	}
+	else
+	  first_offcurve = p;
+      }
+    }
+    else
+    {
+      if (last_offcurve)
+      {
+	if (is_on_curve)
+	{
+	  draw_session->quadratic_to (last_offcurve.x, last_offcurve.y,
+				     p.x, p.y);
+	  last_offcurve = optional_point_t ();
+	}
+	else
+	{
+	  optional_point_t mid = last_offcurve.lerp (p, .5f);
+	  draw_session->quadratic_to (last_offcurve.x, last_offcurve.y,
+				     mid.x, mid.y);
+	  last_offcurve = p;
+	}
+      }
+      else
+      {
+	if (is_on_curve)
+	  draw_session->line_to (p.x, p.y);
+	else
+	  last_offcurve = p;
+      }
+    }
+
+    if (point.is_end_point)
+    {
+      if (first_offcurve && last_offcurve)
+      {
+	optional_point_t mid = last_offcurve.lerp (first_offcurve, .5f);
+	draw_session->quadratic_to (last_offcurve.x, last_offcurve.y,
+				   mid.x, mid.y);
+	last_offcurve = optional_point_t ();
+	/* now check the rest */
+      }
+
+      if (first_offcurve && first_oncurve)
+	draw_session->quadratic_to (first_offcurve.x, first_offcurve.y,
+				   first_oncurve.x, first_oncurve.y);
+      else if (last_offcurve && first_oncurve)
+	draw_session->quadratic_to (last_offcurve.x, last_offcurve.y,
+				   first_oncurve.x, first_oncurve.y);
+      else if (first_oncurve)
+	draw_session->line_to (first_oncurve.x, first_oncurve.y);
+      else if (first_offcurve)
+      {
+	float x = first_offcurve.x, y = first_offcurve.y;
+	draw_session->move_to (x, y);
+	draw_session->quadratic_to (x, y, x, y);
+      }
+
+      /* Getting ready for the next contour */
+      first_oncurve = first_offcurve = last_offcurve = optional_point_t ();
+      draw_session->close_path ();
+    }
+  }
+  void points_end () {}
+
+  bool is_consuming_contour_points () { return true; }
+  contour_point_t *get_phantoms_sink () { return nullptr; }
+};
+
+
+} /* namespace glyf_impl */
+} /* namespace OT */
+
+
+#endif /* OT_GLYF_PATH_BUILDER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh
new file mode 100644
index 0000000000..c2e24a7067
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh
@@ -0,0 +1,216 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "graph.hh"
+#include "../hb-ot-layout-common.hh"
+
+#ifndef GRAPH_CLASSDEF_GRAPH_HH
+#define GRAPH_CLASSDEF_GRAPH_HH
+
+namespace graph {
+
+struct ClassDefFormat1 : public OT::ClassDefFormat1_3<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    constexpr unsigned min_size = OT::ClassDefFormat1_3<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+    return vertex_len >= min_size + classValue.get_size () - classValue.len.get_size ();
+  }
+};
+
+struct ClassDefFormat2 : public OT::ClassDefFormat2_4<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    constexpr unsigned min_size = OT::ClassDefFormat2_4<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+    return vertex_len >= min_size + rangeRecord.get_size () - rangeRecord.len.get_size ();
+  }
+};
+
+struct ClassDef : public OT::ClassDef
+{
+  template<typename It>
+  static bool add_class_def (gsubgpos_graph_context_t& c,
+                             unsigned parent_id,
+                             unsigned link_position,
+                             It glyph_and_class,
+                             unsigned max_size)
+  {
+    unsigned class_def_prime_id = c.graph.new_node (nullptr, nullptr);
+    auto& class_def_prime_vertex = c.graph.vertices_[class_def_prime_id];
+    if (!make_class_def (c, glyph_and_class, class_def_prime_id, max_size))
+      return false;
+
+    auto* class_def_link = c.graph.vertices_[parent_id].obj.real_links.push ();
+    class_def_link->width = SmallTypes::size;
+    class_def_link->objidx = class_def_prime_id;
+    class_def_link->position = link_position;
+    class_def_prime_vertex.parents.push (parent_id);
+
+    return true;
+  }
+
+  template<typename It>
+  static bool make_class_def (gsubgpos_graph_context_t& c,
+                              It glyph_and_class,
+                              unsigned dest_obj,
+                              unsigned max_size)
+  {
+    char* buffer = (char*) hb_calloc (1, max_size);
+    hb_serialize_context_t serializer (buffer, max_size);
+    OT::ClassDef_serialize (&serializer, glyph_and_class);
+    serializer.end_serialize ();
+    if (serializer.in_error ())
+    {
+      hb_free (buffer);
+      return false;
+    }
+
+    hb_bytes_t class_def_copy = serializer.copy_bytes ();
+    c.add_buffer ((char *) class_def_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer.
+
+    auto& obj = c.graph.vertices_[dest_obj].obj;
+    obj.head = (char *) class_def_copy.arrayZ;
+    obj.tail = obj.head + class_def_copy.length;
+
+    hb_free (buffer);
+    return true;
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < OT::ClassDef::min_size) return false;
+    switch (u.format)
+    {
+    case 1: return ((ClassDefFormat1*)this)->sanitize (vertex);
+    case 2: return ((ClassDefFormat2*)this)->sanitize (vertex);
+#ifndef HB_NO_BEYOND_64K
+    // Not currently supported
+    case 3:
+    case 4:
+#endif
+    default: return false;
+    }
+  }
+};
+
+
+struct class_def_size_estimator_t
+{
+  template<typename It>
+  class_def_size_estimator_t (It glyph_and_class)
+      : gids_consecutive (true), num_ranges_per_class (), glyphs_per_class ()
+  {
+    unsigned last_gid = (unsigned) -1;
+    for (auto p : + glyph_and_class)
+    {
+      unsigned gid = p.first;
+      unsigned klass = p.second;
+
+      if (last_gid != (unsigned) -1 && gid != last_gid + 1)
+        gids_consecutive = false;
+      last_gid = gid;
+
+      hb_set_t* glyphs;
+      if (glyphs_per_class.has (klass, &glyphs) && glyphs) {
+        glyphs->add (gid);
+        continue;
+      }
+
+      hb_set_t new_glyphs;
+      new_glyphs.add (gid);
+      glyphs_per_class.set (klass, std::move (new_glyphs));
+    }
+
+    if (in_error ()) return;
+
+    for (unsigned klass : glyphs_per_class.keys ())
+    {
+      if (!klass) continue; // class 0 doesn't get encoded.
+
+      const hb_set_t& glyphs = glyphs_per_class.get (klass);
+      hb_codepoint_t start = HB_SET_VALUE_INVALID;
+      hb_codepoint_t end = HB_SET_VALUE_INVALID;
+
+      unsigned count = 0;
+      while (glyphs.next_range (&start, &end))
+        count++;
+
+      num_ranges_per_class.set (klass, count);
+    }
+  }
+
+  // Incremental increase in the Coverage and ClassDef table size
+  // (worst case) if all glyphs associated with 'klass' were added.
+  unsigned incremental_coverage_size (unsigned klass) const
+  {
+    // Coverage takes 2 bytes per glyph worst case,
+    return 2 * glyphs_per_class.get (klass).get_population ();
+  }
+
+  // Incremental increase in the Coverage and ClassDef table size
+  // (worst case) if all glyphs associated with 'klass' were added.
+  unsigned incremental_class_def_size (unsigned klass) const
+  {
+    // ClassDef takes 6 bytes per range
+    unsigned class_def_2_size = 6 * num_ranges_per_class.get (klass);
+    if (gids_consecutive)
+    {
+      // ClassDef1 takes 2 bytes per glyph, but only can be used
+      // when gids are consecutive.
+      return hb_min (2 * glyphs_per_class.get (klass).get_population (), class_def_2_size);
+    }
+
+    return class_def_2_size;
+  }
+
+  bool in_error ()
+  {
+    if (num_ranges_per_class.in_error ()) return true;
+    if (glyphs_per_class.in_error ()) return true;
+
+    for (const hb_set_t& s : glyphs_per_class.values ())
+    {
+      if (s.in_error ()) return true;
+    }
+    return false;
+  }
+
+ private:
+  bool gids_consecutive;
+  hb_hashmap_t<unsigned, unsigned> num_ranges_per_class;
+  hb_hashmap_t<unsigned, hb_set_t> glyphs_per_class;
+};
+
+
+}
+
+#endif  // GRAPH_CLASSDEF_GRAPH_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh
new file mode 100644
index 0000000000..49d0936315
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh
@@ -0,0 +1,152 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "graph.hh"
+#include "../OT/Layout/Common/Coverage.hh"
+
+#ifndef GRAPH_COVERAGE_GRAPH_HH
+#define GRAPH_COVERAGE_GRAPH_HH
+
+namespace graph {
+
+struct CoverageFormat1 : public OT::Layout::Common::CoverageFormat1_3<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    constexpr unsigned min_size = OT::Layout::Common::CoverageFormat1_3<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+    return vertex_len >= min_size + glyphArray.get_size () - glyphArray.len.get_size ();
+  }
+};
+
+struct CoverageFormat2 : public OT::Layout::Common::CoverageFormat2_4<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    constexpr unsigned min_size = OT::Layout::Common::CoverageFormat2_4<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+    return vertex_len >= min_size + rangeRecord.get_size () - rangeRecord.len.get_size ();
+  }
+};
+
+struct Coverage : public OT::Layout::Common::Coverage
+{
+  static Coverage* clone_coverage (gsubgpos_graph_context_t& c,
+                                   unsigned coverage_id,
+                                   unsigned new_parent_id,
+                                   unsigned link_position,
+                                   unsigned start, unsigned end)
+
+  {
+    unsigned coverage_size = c.graph.vertices_[coverage_id].table_size ();
+    auto& coverage_v = c.graph.vertices_[coverage_id];
+    Coverage* coverage_table = (Coverage*) coverage_v.obj.head;
+    if (!coverage_table || !coverage_table->sanitize (coverage_v))
+      return nullptr;
+
+    auto new_coverage =
+        + hb_zip (coverage_table->iter (), hb_range ())
+        | hb_filter ([&] (hb_pair_t<unsigned, unsigned> p) {
+          return p.second >= start && p.second < end;
+        })
+        | hb_map_retains_sorting (hb_first)
+        ;
+
+    return add_coverage (c, new_parent_id, link_position, new_coverage, coverage_size);
+  }
+
+  template<typename It>
+  static Coverage* add_coverage (gsubgpos_graph_context_t& c,
+                                 unsigned parent_id,
+                                 unsigned link_position,
+                                 It glyphs,
+                                 unsigned max_size)
+  {
+    unsigned coverage_prime_id = c.graph.new_node (nullptr, nullptr);
+    auto& coverage_prime_vertex = c.graph.vertices_[coverage_prime_id];
+    if (!make_coverage (c, glyphs, coverage_prime_id, max_size))
+      return nullptr;
+
+    auto* coverage_link = c.graph.vertices_[parent_id].obj.real_links.push ();
+    coverage_link->width = SmallTypes::size;
+    coverage_link->objidx = coverage_prime_id;
+    coverage_link->position = link_position;
+    coverage_prime_vertex.parents.push (parent_id);
+
+    return (Coverage*) coverage_prime_vertex.obj.head;
+  }
+
+  template<typename It>
+  static bool make_coverage (gsubgpos_graph_context_t& c,
+                             It glyphs,
+                             unsigned dest_obj,
+                             unsigned max_size)
+  {
+    char* buffer = (char*) hb_calloc (1, max_size);
+    hb_serialize_context_t serializer (buffer, max_size);
+    OT::Layout::Common::Coverage_serialize (&serializer, glyphs);
+    serializer.end_serialize ();
+    if (serializer.in_error ())
+    {
+      hb_free (buffer);
+      return false;
+    }
+
+    hb_bytes_t coverage_copy = serializer.copy_bytes ();
+    c.add_buffer ((char *) coverage_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer.
+
+    auto& obj = c.graph.vertices_[dest_obj].obj;
+    obj.head = (char *) coverage_copy.arrayZ;
+    obj.tail = obj.head + coverage_copy.length;
+
+    hb_free (buffer);
+    return true;
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < OT::Layout::Common::Coverage::min_size) return false;
+    switch (u.format)
+    {
+    case 1: return ((CoverageFormat1*)this)->sanitize (vertex);
+    case 2: return ((CoverageFormat2*)this)->sanitize (vertex);
+#ifndef HB_NO_BEYOND_64K
+    // Not currently supported
+    case 3:
+    case 4:
+#endif
+    default: return false;
+    }
+  }
+};
+
+
+}
+
+#endif  // GRAPH_COVERAGE_GRAPH_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/graph.hh
new file mode 100644
index 0000000000..dc5b6a36fe
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/graph.hh
@@ -0,0 +1,1385 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "../hb-set.hh"
+#include "../hb-priority-queue.hh"
+#include "../hb-serialize.hh"
+
+#ifndef GRAPH_GRAPH_HH
+#define GRAPH_GRAPH_HH
+
+namespace graph {
+
+/**
+ * Represents a serialized table in the form of a graph.
+ * Provides methods for modifying and reordering the graph.
+ */
+struct graph_t
+{
+  struct vertex_t
+  {
+    hb_serialize_context_t::object_t obj;
+    int64_t distance = 0 ;
+    int64_t space = 0 ;
+    hb_vector_t<unsigned> parents;
+    unsigned start = 0;
+    unsigned end = 0;
+    unsigned priority = 0;
+
+
+    bool link_positions_valid (unsigned num_objects, bool removed_nil)
+    {
+      hb_set_t assigned_bytes;
+      for (const auto& l : obj.real_links)
+      {
+        if (l.objidx >= num_objects
+            || (removed_nil && !l.objidx))
+        {
+          DEBUG_MSG (SUBSET_REPACK, nullptr,
+                     "Invalid graph. Invalid object index.");
+          return false;
+        }
+
+        unsigned start = l.position;
+        unsigned end = start + l.width - 1;
+
+        if (unlikely (l.width < 2 || l.width > 4))
+        {
+          DEBUG_MSG (SUBSET_REPACK, nullptr,
+                     "Invalid graph. Invalid link width.");
+          return false;
+        }
+
+        if (unlikely (end >= table_size ()))
+        {
+          DEBUG_MSG (SUBSET_REPACK, nullptr,
+                     "Invalid graph. Link position is out of bounds.");
+          return false;
+        }
+
+        if (unlikely (assigned_bytes.intersects (start, end)))
+        {
+          DEBUG_MSG (SUBSET_REPACK, nullptr,
+                     "Invalid graph. Found offsets whose positions overlap.");
+          return false;
+        }
+
+        assigned_bytes.add_range (start, end);
+      }
+
+      return !assigned_bytes.in_error ();
+    }
+
+    void normalize ()
+    {
+      obj.real_links.qsort ();
+      for (auto& l : obj.real_links)
+      {
+        for (unsigned i = 0; i < l.width; i++)
+        {
+          obj.head[l.position + i] = 0;
+        }
+      }
+    }
+
+    bool equals (const vertex_t& other,
+                 const graph_t& graph,
+                 const graph_t& other_graph,
+                 unsigned depth) const
+    {
+      if (!(as_bytes () == other.as_bytes ()))
+      {
+        DEBUG_MSG (SUBSET_REPACK, nullptr,
+                   "vertex [%lu] bytes != [%lu] bytes, depth = %u",
+                   (unsigned long) table_size (),
+                   (unsigned long) other.table_size (),
+                   depth);
+
+        auto a = as_bytes ();
+        auto b = other.as_bytes ();
+        while (a || b)
+        {
+          DEBUG_MSG (SUBSET_REPACK, nullptr,
+                     "  0x%x %s 0x%x", *a, (*a == *b) ? "==" : "!=", *b);
+          a++;
+          b++;
+        }
+        return false;
+      }
+
+      return links_equal (obj.real_links, other.obj.real_links, graph, other_graph, depth);
+    }
+
+    hb_bytes_t as_bytes () const
+    {
+      return hb_bytes_t (obj.head, table_size ());
+    }
+
+    friend void swap (vertex_t& a, vertex_t& b)
+    {
+      hb_swap (a.obj, b.obj);
+      hb_swap (a.distance, b.distance);
+      hb_swap (a.space, b.space);
+      hb_swap (a.parents, b.parents);
+      hb_swap (a.start, b.start);
+      hb_swap (a.end, b.end);
+      hb_swap (a.priority, b.priority);
+    }
+
+    hb_hashmap_t<unsigned, unsigned>
+    position_to_index_map () const
+    {
+      hb_hashmap_t<unsigned, unsigned> result;
+
+      for (const auto& l : obj.real_links) {
+        result.set (l.position, l.objidx);
+      }
+
+      return result;
+    }
+
+    bool is_shared () const
+    {
+      return parents.length > 1;
+    }
+
+    unsigned incoming_edges () const
+    {
+      return parents.length;
+    }
+
+    void remove_parent (unsigned parent_index)
+    {
+      for (unsigned i = 0; i < parents.length; i++)
+      {
+        if (parents[i] != parent_index) continue;
+        parents.remove_unordered (i);
+        break;
+      }
+    }
+
+    void remove_real_link (unsigned child_index, const void* offset)
+    {
+      for (unsigned i = 0; i < obj.real_links.length; i++)
+      {
+        auto& link = obj.real_links.arrayZ[i];
+        if (link.objidx != child_index)
+          continue;
+
+        if ((obj.head + link.position) != offset)
+          continue;
+
+        obj.real_links.remove_unordered (i);
+        return;
+      }
+    }
+
+    void remap_parents (const hb_vector_t<unsigned>& id_map)
+    {
+      for (unsigned i = 0; i < parents.length; i++)
+        parents[i] = id_map[parents[i]];
+    }
+
+    void remap_parent (unsigned old_index, unsigned new_index)
+    {
+      for (unsigned i = 0; i < parents.length; i++)
+      {
+        if (parents[i] == old_index)
+          parents[i] = new_index;
+      }
+    }
+
+    bool is_leaf () const
+    {
+      return !obj.real_links.length && !obj.virtual_links.length;
+    }
+
+    bool raise_priority ()
+    {
+      if (has_max_priority ()) return false;
+      priority++;
+      return true;
+    }
+
+    bool has_max_priority () const {
+      return priority >= 3;
+    }
+
+    size_t table_size () const {
+      return obj.tail - obj.head;
+    }
+
+    int64_t modified_distance (unsigned order) const
+    {
+      // TODO(garretrieger): once priority is high enough, should try
+      // setting distance = 0 which will force to sort immediately after
+      // it's parent where possible.
+
+      int64_t modified_distance =
+          hb_min (hb_max(distance + distance_modifier (), 0), 0x7FFFFFFFFFF);
+      if (has_max_priority ()) {
+        modified_distance = 0;
+      }
+      return (modified_distance << 18) | (0x003FFFF & order);
+    }
+
+    int64_t distance_modifier () const
+    {
+      if (!priority) return 0;
+      int64_t table_size = obj.tail - obj.head;
+
+      if (priority == 1)
+        return -table_size / 2;
+
+      return -table_size;
+    }
+
+   private:
+    bool links_equal (const hb_vector_t<hb_serialize_context_t::object_t::link_t>& this_links,
+                      const hb_vector_t<hb_serialize_context_t::object_t::link_t>& other_links,
+                      const graph_t& graph,
+                      const graph_t& other_graph,
+                      unsigned depth) const
+    {
+      auto a = this_links.iter ();
+      auto b = other_links.iter ();
+
+      while (a && b)
+      {
+        const auto& link_a = *a;
+        const auto& link_b = *b;
+
+        if (link_a.width != link_b.width ||
+            link_a.is_signed != link_b.is_signed ||
+            link_a.whence != link_b.whence ||
+            link_a.position != link_b.position ||
+            link_a.bias != link_b.bias)
+          return false;
+
+        if (!graph.vertices_[link_a.objidx].equals (
+                other_graph.vertices_[link_b.objidx], graph, other_graph, depth + 1))
+          return false;
+
+        a++;
+        b++;
+      }
+
+      if (bool (a) != bool (b))
+        return false;
+
+      return true;
+    }
+  };
+
+  template <typename T>
+  struct vertex_and_table_t
+  {
+    vertex_and_table_t () : index (0), vertex (nullptr), table (nullptr)
+    {}
+
+    unsigned index;
+    vertex_t* vertex;
+    T* table;
+
+    operator bool () {
+       return table && vertex;
+    }
+  };
+
+  /*
+   * A topological sorting of an object graph. Ordered
+   * in reverse serialization order (first object in the
+   * serialization is at the end of the list). This matches
+   * the 'packed' object stack used internally in the
+   * serializer
+   */
+  template<typename T>
+  graph_t (const T& objects)
+      : parents_invalid (true),
+        distance_invalid (true),
+        positions_invalid (true),
+        successful (true),
+        buffers ()
+  {
+    num_roots_for_space_.push (1);
+    bool removed_nil = false;
+    vertices_.alloc (objects.length);
+    vertices_scratch_.alloc (objects.length);
+    for (unsigned i = 0; i < objects.length; i++)
+    {
+      // If this graph came from a serialization buffer object 0 is the
+      // nil object. We don't need it for our purposes here so drop it.
+      if (i == 0 && !objects[i])
+      {
+        removed_nil = true;
+        continue;
+      }
+
+      vertex_t* v = vertices_.push ();
+      if (check_success (!vertices_.in_error ()))
+        v->obj = *objects[i];
+
+      check_success (v->link_positions_valid (objects.length, removed_nil));
+
+      if (!removed_nil) continue;
+      // Fix indices to account for removed nil object.
+      for (auto& l : v->obj.all_links_writer ()) {
+        l.objidx--;
+      }
+    }
+  }
+
+  ~graph_t ()
+  {
+    vertices_.fini ();
+    for (char* b : buffers)
+      hb_free (b);
+  }
+
+  bool operator== (const graph_t& other) const
+  {
+    return root ().equals (other.root (), *this, other, 0);
+  }
+
+  // Sorts links of all objects in a consistent manner and zeroes all offsets.
+  void normalize ()
+  {
+    for (auto& v : vertices_.writer ())
+      v.normalize ();
+  }
+
+  bool in_error () const
+  {
+    return !successful ||
+        vertices_.in_error () ||
+        num_roots_for_space_.in_error ();
+  }
+
+  const vertex_t& root () const
+  {
+    return vertices_[root_idx ()];
+  }
+
+  unsigned root_idx () const
+  {
+    // Object graphs are in reverse order, the first object is at the end
+    // of the vector. Since the graph is topologically sorted it's safe to
+    // assume the first object has no incoming edges.
+    return vertices_.length - 1;
+  }
+
+  const hb_serialize_context_t::object_t& object (unsigned i) const
+  {
+    return vertices_[i].obj;
+  }
+
+  void add_buffer (char* buffer)
+  {
+    buffers.push (buffer);
+  }
+
+  /*
+   * Adds a 16 bit link from parent_id to child_id
+   */
+  template<typename T>
+  void add_link (T* offset,
+                 unsigned parent_id,
+                 unsigned child_id)
+  {
+    auto& v = vertices_[parent_id];
+    auto* link = v.obj.real_links.push ();
+    link->width = 2;
+    link->objidx = child_id;
+    link->position = (char*) offset - (char*) v.obj.head;
+    vertices_[child_id].parents.push (parent_id);
+  }
+
+  /*
+   * Generates a new topological sorting of graph ordered by the shortest
+   * distance to each node if positions are marked as invalid.
+   */
+  void sort_shortest_distance_if_needed ()
+  {
+    if (!positions_invalid) return;
+    sort_shortest_distance ();
+  }
+
+
+  /*
+   * Generates a new topological sorting of graph ordered by the shortest
+   * distance to each node.
+   */
+  void sort_shortest_distance ()
+  {
+    positions_invalid = true;
+
+    if (vertices_.length <= 1) {
+      // Graph of 1 or less doesn't need sorting.
+      return;
+    }
+
+    update_distances ();
+
+    hb_priority_queue_t queue;
+    hb_vector_t<vertex_t> &sorted_graph = vertices_scratch_;
+    if (unlikely (!check_success (sorted_graph.resize (vertices_.length)))) return;
+    hb_vector_t<unsigned> id_map;
+    if (unlikely (!check_success (id_map.resize (vertices_.length)))) return;
+
+    hb_vector_t<unsigned> removed_edges;
+    if (unlikely (!check_success (removed_edges.resize (vertices_.length)))) return;
+    update_parents ();
+
+    queue.insert (root ().modified_distance (0), root_idx ());
+    int new_id = root_idx ();
+    unsigned order = 1;
+    while (!queue.in_error () && !queue.is_empty ())
+    {
+      unsigned next_id = queue.pop_minimum().second;
+
+      hb_swap (sorted_graph[new_id], vertices_[next_id]);
+      const vertex_t& next = sorted_graph[new_id];
+
+      if (unlikely (!check_success(new_id >= 0))) {
+        // We are out of ids. Which means we've visited a node more than once.
+        // This graph contains a cycle which is not allowed.
+        DEBUG_MSG (SUBSET_REPACK, nullptr, "Invalid graph. Contains cycle.");
+        return;
+      }
+
+      id_map[next_id] = new_id--;
+
+      for (const auto& link : next.obj.all_links ()) {
+        removed_edges[link.objidx]++;
+        if (!(vertices_[link.objidx].incoming_edges () - removed_edges[link.objidx]))
+          // Add the order that the links were encountered to the priority.
+          // This ensures that ties between priorities objects are broken in a consistent
+          // way. More specifically this is set up so that if a set of objects have the same
+          // distance they'll be added to the topological order in the order that they are
+          // referenced from the parent object.
+          queue.insert (vertices_[link.objidx].modified_distance (order++),
+                        link.objidx);
+      }
+    }
+
+    check_success (!queue.in_error ());
+    check_success (!sorted_graph.in_error ());
+
+    remap_all_obj_indices (id_map, &sorted_graph);
+    hb_swap (vertices_, sorted_graph);
+
+    if (!check_success (new_id == -1))
+      print_orphaned_nodes ();
+  }
+
+  /*
+   * Finds the set of nodes (placed into roots) that should be assigned unique spaces.
+   * More specifically this looks for the top most 24 bit or 32 bit links in the graph.
+   * Some special casing is done that is specific to the layout of GSUB/GPOS tables.
+   */
+  void find_space_roots (hb_set_t& visited, hb_set_t& roots)
+  {
+    int root_index = (int) root_idx ();
+    for (int i = root_index; i >= 0; i--)
+    {
+      if (visited.has (i)) continue;
+
+      // Only real links can form 32 bit spaces
+      for (auto& l : vertices_[i].obj.real_links)
+      {
+        if (l.is_signed || l.width < 3)
+          continue;
+
+        if (i == root_index && l.width == 3)
+          // Ignore 24bit links from the root node, this skips past the single 24bit
+          // pointer to the lookup list.
+          continue;
+
+        if (l.width == 3)
+        {
+          // A 24bit offset forms a root, unless there is 32bit offsets somewhere
+          // in it's subgraph, then those become the roots instead. This is to make sure
+          // that extension subtables beneath a 24bit lookup become the spaces instead
+          // of the offset to the lookup.
+          hb_set_t sub_roots;
+          find_32bit_roots (l.objidx, sub_roots);
+          if (sub_roots) {
+            for (unsigned sub_root_idx : sub_roots) {
+              roots.add (sub_root_idx);
+              find_subgraph (sub_root_idx, visited);
+            }
+            continue;
+          }
+        }
+
+        roots.add (l.objidx);
+        find_subgraph (l.objidx, visited);
+      }
+    }
+  }
+
+  template <typename T, typename ...Ts>
+  vertex_and_table_t<T> as_table (unsigned parent, const void* offset, Ts... ds)
+  {
+    return as_table_from_index<T> (index_for_offset (parent, offset), std::forward<Ts>(ds)...);
+  }
+
+  template <typename T, typename ...Ts>
+  vertex_and_table_t<T> as_mutable_table (unsigned parent, const void* offset, Ts... ds)
+  {
+    return as_table_from_index<T> (mutable_index_for_offset (parent, offset), std::forward<Ts>(ds)...);
+  }
+
+  template <typename T, typename ...Ts>
+  vertex_and_table_t<T> as_table_from_index (unsigned index, Ts... ds)
+  {
+    if (index >= vertices_.length)
+      return vertex_and_table_t<T> ();
+
+    vertex_and_table_t<T> r;
+    r.vertex = &vertices_[index];
+    r.table = (T*) r.vertex->obj.head;
+    r.index = index;
+    if (!r.table)
+      return vertex_and_table_t<T> ();
+
+    if (!r.table->sanitize (*(r.vertex), std::forward<Ts>(ds)...))
+      return vertex_and_table_t<T> ();
+
+    return r;
+  }
+
+  // Finds the object id of the object pointed to by the offset at 'offset'
+  // within object[node_idx].
+  unsigned index_for_offset (unsigned node_idx, const void* offset) const
+  {
+    const auto& node = object (node_idx);
+    if (offset < node.head || offset >= node.tail) return -1;
+
+    unsigned length = node.real_links.length;
+    for (unsigned i = 0; i < length; i++)
+    {
+      // Use direct access for increased performance, this is a hot method.
+      const auto& link = node.real_links.arrayZ[i];
+      if (offset != node.head + link.position)
+        continue;
+      return link.objidx;
+    }
+
+    return -1;
+  }
+
+  // Finds the object id of the object pointed to by the offset at 'offset'
+  // within object[node_idx]. Ensures that the returned object is safe to mutate.
+  // That is, if the original child object is shared by parents other than node_idx
+  // it will be duplicated and the duplicate will be returned instead.
+  unsigned mutable_index_for_offset (unsigned node_idx, const void* offset)
+  {
+    unsigned child_idx = index_for_offset (node_idx, offset);
+    auto& child = vertices_[child_idx];
+    for (unsigned p : child.parents)
+    {
+      if (p != node_idx) {
+        return duplicate (node_idx, child_idx);
+      }
+    }
+
+    return child_idx;
+  }
+
+
+  /*
+   * Assign unique space numbers to each connected subgraph of 24 bit and/or 32 bit offset(s).
+   * Currently, this is implemented specifically tailored to the structure of a GPOS/GSUB
+   * (including with 24bit offsets) table.
+   */
+  bool assign_spaces ()
+  {
+    update_parents ();
+
+    hb_set_t visited;
+    hb_set_t roots;
+    find_space_roots (visited, roots);
+
+    // Mark everything not in the subgraphs of the roots as visited. This prevents
+    // subgraphs from being connected via nodes not in those subgraphs.
+    visited.invert ();
+
+    if (!roots) return false;
+
+    while (roots)
+    {
+      uint32_t next = HB_SET_VALUE_INVALID;
+      if (unlikely (!check_success (!roots.in_error ()))) break;
+      if (!roots.next (&next)) break;
+
+      hb_set_t connected_roots;
+      find_connected_nodes (next, roots, visited, connected_roots);
+      if (unlikely (!check_success (!connected_roots.in_error ()))) break;
+
+      isolate_subgraph (connected_roots);
+      if (unlikely (!check_success (!connected_roots.in_error ()))) break;
+
+      unsigned next_space = this->next_space ();
+      num_roots_for_space_.push (0);
+      for (unsigned root : connected_roots)
+      {
+        DEBUG_MSG (SUBSET_REPACK, nullptr, "Subgraph %u gets space %u", root, next_space);
+        vertices_[root].space = next_space;
+        num_roots_for_space_[next_space] = num_roots_for_space_[next_space] + 1;
+        distance_invalid = true;
+        positions_invalid = true;
+      }
+
+      // TODO(grieger): special case for GSUB/GPOS use extension promotions to move 16 bit space
+      //                into the 32 bit space as needed, instead of using isolation.
+    }
+
+
+
+    return true;
+  }
+
+  /*
+   * Isolates the subgraph of nodes reachable from root. Any links to nodes in the subgraph
+   * that originate from outside of the subgraph will be removed by duplicating the linked to
+   * object.
+   *
+   * Indices stored in roots will be updated if any of the roots are duplicated to new indices.
+   */
+  bool isolate_subgraph (hb_set_t& roots)
+  {
+    update_parents ();
+    hb_map_t subgraph;
+
+    // incoming edges to root_idx should be all 32 bit in length so we don't need to de-dup these
+    // set the subgraph incoming edge count to match all of root_idx's incoming edges
+    hb_set_t parents;
+    for (unsigned root_idx : roots)
+    {
+      subgraph.set (root_idx, wide_parents (root_idx, parents));
+      find_subgraph (root_idx, subgraph);
+    }
+
+    unsigned original_root_idx = root_idx ();
+    hb_map_t index_map;
+    bool made_changes = false;
+    for (auto entry : subgraph.iter ())
+    {
+      const auto& node = vertices_[entry.first];
+      unsigned subgraph_incoming_edges = entry.second;
+
+      if (subgraph_incoming_edges < node.incoming_edges ())
+      {
+        // Only  de-dup objects with incoming links from outside the subgraph.
+        made_changes = true;
+        duplicate_subgraph (entry.first, index_map);
+      }
+    }
+
+    if (!made_changes)
+      return false;
+
+    if (original_root_idx != root_idx ()
+        && parents.has (original_root_idx))
+    {
+      // If the root idx has changed since parents was determined, update root idx in parents
+      parents.add (root_idx ());
+      parents.del (original_root_idx);
+    }
+
+    auto new_subgraph =
+        + subgraph.keys ()
+        | hb_map([&] (uint32_t node_idx) {
+          const uint32_t *v;
+          if (index_map.has (node_idx, &v)) return *v;
+          return node_idx;
+        })
+        ;
+
+    remap_obj_indices (index_map, new_subgraph);
+    remap_obj_indices (index_map, parents.iter (), true);
+
+    // Update roots set with new indices as needed.
+    uint32_t next = HB_SET_VALUE_INVALID;
+    while (roots.next (&next))
+    {
+      const uint32_t *v;
+      if (index_map.has (next, &v))
+      {
+        roots.del (next);
+        roots.add (*v);
+      }
+    }
+
+    return true;
+  }
+
+  void find_subgraph (unsigned node_idx, hb_map_t& subgraph)
+  {
+    for (const auto& link : vertices_[node_idx].obj.all_links ())
+    {
+      const uint32_t *v;
+      if (subgraph.has (link.objidx, &v))
+      {
+        subgraph.set (link.objidx, *v + 1);
+        continue;
+      }
+      subgraph.set (link.objidx, 1);
+      find_subgraph (link.objidx, subgraph);
+    }
+  }
+
+  void find_subgraph (unsigned node_idx, hb_set_t& subgraph)
+  {
+    if (subgraph.has (node_idx)) return;
+    subgraph.add (node_idx);
+    for (const auto& link : vertices_[node_idx].obj.all_links ())
+      find_subgraph (link.objidx, subgraph);
+  }
+
+  size_t find_subgraph_size (unsigned node_idx, hb_set_t& subgraph, unsigned max_depth = -1)
+  {
+    if (subgraph.has (node_idx)) return 0;
+    subgraph.add (node_idx);
+
+    const auto& o = vertices_[node_idx].obj;
+    size_t size = o.tail - o.head;
+    if (max_depth == 0)
+      return size;
+
+    for (const auto& link : o.all_links ())
+      size += find_subgraph_size (link.objidx, subgraph, max_depth - 1);
+    return size;
+  }
+
+  /*
+   * Finds the topmost children of 32bit offsets in the subgraph starting
+   * at node_idx. Found indices are placed into 'found'.
+   */
+  void find_32bit_roots (unsigned node_idx, hb_set_t& found)
+  {
+    for (const auto& link : vertices_[node_idx].obj.all_links ())
+    {
+      if (!link.is_signed && link.width == 4) {
+        found.add (link.objidx);
+        continue;
+      }
+      find_32bit_roots (link.objidx, found);
+    }
+  }
+
+  /*
+   * Moves the child of old_parent_idx pointed to by old_offset to a new
+   * vertex at the new_offset.
+   */
+  template<typename O>
+  void move_child (unsigned old_parent_idx,
+                   const O* old_offset,
+                   unsigned new_parent_idx,
+                   const O* new_offset)
+  {
+    distance_invalid = true;
+    positions_invalid = true;
+
+    auto& old_v = vertices_[old_parent_idx];
+    auto& new_v = vertices_[new_parent_idx];
+
+    unsigned child_id = index_for_offset (old_parent_idx,
+                                          old_offset);
+
+    auto* new_link = new_v.obj.real_links.push ();
+    new_link->width = O::static_size;
+    new_link->objidx = child_id;
+    new_link->position = (const char*) new_offset - (const char*) new_v.obj.head;
+
+    auto& child = vertices_[child_id];
+    child.parents.push (new_parent_idx);
+
+    old_v.remove_real_link (child_id, old_offset);
+    child.remove_parent (old_parent_idx);
+  }
+
+  /*
+   * duplicates all nodes in the subgraph reachable from node_idx. Does not re-assign
+   * links. index_map is updated with mappings from old id to new id. If a duplication has already
+   * been performed for a given index, then it will be skipped.
+   */
+  void duplicate_subgraph (unsigned node_idx, hb_map_t& index_map)
+  {
+    if (index_map.has (node_idx))
+      return;
+
+    index_map.set (node_idx, duplicate (node_idx));
+    for (const auto& l : object (node_idx).all_links ()) {
+      duplicate_subgraph (l.objidx, index_map);
+    }
+  }
+
+  /*
+   * Creates a copy of node_idx and returns it's new index.
+   */
+  unsigned duplicate (unsigned node_idx)
+  {
+    positions_invalid = true;
+    distance_invalid = true;
+
+    auto* clone = vertices_.push ();
+    auto& child = vertices_[node_idx];
+    if (vertices_.in_error ()) {
+      return -1;
+    }
+
+    clone->obj.head = child.obj.head;
+    clone->obj.tail = child.obj.tail;
+    clone->distance = child.distance;
+    clone->space = child.space;
+    clone->parents.reset ();
+
+    unsigned clone_idx = vertices_.length - 2;
+    for (const auto& l : child.obj.real_links)
+    {
+      clone->obj.real_links.push (l);
+      vertices_[l.objidx].parents.push (clone_idx);
+    }
+    for (const auto& l : child.obj.virtual_links)
+    {
+      clone->obj.virtual_links.push (l);
+      vertices_[l.objidx].parents.push (clone_idx);
+    }
+
+    check_success (!clone->obj.real_links.in_error ());
+    check_success (!clone->obj.virtual_links.in_error ());
+
+    // The last object is the root of the graph, so swap back the root to the end.
+    // The root's obj idx does change, however since it's root nothing else refers to it.
+    // all other obj idx's will be unaffected.
+    hb_swap (vertices_[vertices_.length - 2], *clone);
+
+    // Since the root moved, update the parents arrays of all children on the root.
+    for (const auto& l : root ().obj.all_links ())
+      vertices_[l.objidx].remap_parent (root_idx () - 1, root_idx ());
+
+    return clone_idx;
+  }
+
+  /*
+   * Creates a copy of child and re-assigns the link from
+   * parent to the clone. The copy is a shallow copy, objects
+   * linked from child are not duplicated.
+   */
+  unsigned duplicate_if_shared (unsigned parent_idx, unsigned child_idx)
+  {
+    unsigned new_idx = duplicate (parent_idx, child_idx);
+    if (new_idx == (unsigned) -1) return child_idx;
+    return new_idx;
+  }
+
+
+  /*
+   * Creates a copy of child and re-assigns the link from
+   * parent to the clone. The copy is a shallow copy, objects
+   * linked from child are not duplicated.
+   */
+  unsigned duplicate (unsigned parent_idx, unsigned child_idx)
+  {
+    update_parents ();
+
+    unsigned links_to_child = 0;
+    for (const auto& l : vertices_[parent_idx].obj.all_links ())
+    {
+      if (l.objidx == child_idx) links_to_child++;
+    }
+
+    if (vertices_[child_idx].incoming_edges () <= links_to_child)
+    {
+      // Can't duplicate this node, doing so would orphan the original one as all remaining links
+      // to child are from parent.
+      DEBUG_MSG (SUBSET_REPACK, nullptr, "  Not duplicating %d => %d",
+                 parent_idx, child_idx);
+      return -1;
+    }
+
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "  Duplicating %d => %d",
+               parent_idx, child_idx);
+
+    unsigned clone_idx = duplicate (child_idx);
+    if (clone_idx == (unsigned) -1) return false;
+    // duplicate shifts the root node idx, so if parent_idx was root update it.
+    if (parent_idx == clone_idx) parent_idx++;
+
+    auto& parent = vertices_[parent_idx];
+    for (auto& l : parent.obj.all_links_writer ())
+    {
+      if (l.objidx != child_idx)
+        continue;
+
+      reassign_link (l, parent_idx, clone_idx);
+    }
+
+    return clone_idx;
+  }
+
+
+  /*
+   * Adds a new node to the graph, not connected to anything.
+   */
+  unsigned new_node (char* head, char* tail)
+  {
+    positions_invalid = true;
+    distance_invalid = true;
+
+    auto* clone = vertices_.push ();
+    if (vertices_.in_error ()) {
+      return -1;
+    }
+
+    clone->obj.head = head;
+    clone->obj.tail = tail;
+    clone->distance = 0;
+    clone->space = 0;
+
+    unsigned clone_idx = vertices_.length - 2;
+
+    // The last object is the root of the graph, so swap back the root to the end.
+    // The root's obj idx does change, however since it's root nothing else refers to it.
+    // all other obj idx's will be unaffected.
+    hb_swap (vertices_[vertices_.length - 2], *clone);
+
+    // Since the root moved, update the parents arrays of all children on the root.
+    for (const auto& l : root ().obj.all_links ())
+      vertices_[l.objidx].remap_parent (root_idx () - 1, root_idx ());
+
+    return clone_idx;
+  }
+
+  /*
+   * Raises the sorting priority of all children.
+   */
+  bool raise_childrens_priority (unsigned parent_idx)
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "  Raising priority of all children of %d",
+               parent_idx);
+    // This operation doesn't change ordering until a sort is run, so no need
+    // to invalidate positions. It does not change graph structure so no need
+    // to update distances or edge counts.
+    auto& parent = vertices_[parent_idx].obj;
+    bool made_change = false;
+    for (auto& l : parent.all_links_writer ())
+      made_change |= vertices_[l.objidx].raise_priority ();
+    return made_change;
+  }
+
+  bool is_fully_connected ()
+  {
+    update_parents();
+
+    if (root().parents)
+      // Root cannot have parents.
+      return false;
+
+    for (unsigned i = 0; i < root_idx (); i++)
+    {
+      if (!vertices_[i].parents)
+        return false;
+    }
+    return true;
+  }
+
+#if 0
+  /*
+   * Saves the current graph to a packed binary format which the repacker fuzzer takes
+   * as a seed.
+   */
+  void save_fuzzer_seed (hb_tag_t tag) const
+  {
+    FILE* f = fopen ("./repacker_fuzzer_seed", "w");
+    fwrite ((void*) &tag, sizeof (tag), 1, f);
+
+    uint16_t num_objects = vertices_.length;
+    fwrite ((void*) &num_objects, sizeof (num_objects), 1, f);
+
+    for (const auto& v : vertices_)
+    {
+      uint16_t blob_size = v.table_size ();
+      fwrite ((void*) &blob_size, sizeof (blob_size), 1, f);
+      fwrite ((const void*) v.obj.head, blob_size, 1, f);
+    }
+
+    uint16_t link_count = 0;
+    for (const auto& v : vertices_)
+      link_count += v.obj.real_links.length;
+
+    fwrite ((void*) &link_count, sizeof (link_count), 1, f);
+
+    typedef struct
+    {
+      uint16_t parent;
+      uint16_t child;
+      uint16_t position;
+      uint8_t width;
+    } link_t;
+
+    for (unsigned i = 0; i < vertices_.length; i++)
+    {
+      for (const auto& l : vertices_[i].obj.real_links)
+      {
+        link_t link {
+          (uint16_t) i, (uint16_t) l.objidx,
+          (uint16_t) l.position, (uint8_t) l.width
+        };
+        fwrite ((void*) &link, sizeof (link), 1, f);
+      }
+    }
+
+    fclose (f);
+  }
+#endif
+
+  void print_orphaned_nodes ()
+  {
+    if (!DEBUG_ENABLED(SUBSET_REPACK)) return;
+
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "Graph is not fully connected.");
+    parents_invalid = true;
+    update_parents();
+
+    if (root().parents) {
+      DEBUG_MSG (SUBSET_REPACK, nullptr, "Root node has incoming edges.");
+    }
+
+    for (unsigned i = 0; i < root_idx (); i++)
+    {
+      const auto& v = vertices_[i];
+      if (!v.parents)
+        DEBUG_MSG (SUBSET_REPACK, nullptr, "Node %u is orphaned.", i);
+    }
+  }
+
+  unsigned num_roots_for_space (unsigned space) const
+  {
+    return num_roots_for_space_[space];
+  }
+
+  unsigned next_space () const
+  {
+    return num_roots_for_space_.length;
+  }
+
+  void move_to_new_space (const hb_set_t& indices)
+  {
+    num_roots_for_space_.push (0);
+    unsigned new_space = num_roots_for_space_.length - 1;
+
+    for (unsigned index : indices) {
+      auto& node = vertices_[index];
+      num_roots_for_space_[node.space] = num_roots_for_space_[node.space] - 1;
+      num_roots_for_space_[new_space] = num_roots_for_space_[new_space] + 1;
+      node.space = new_space;
+      distance_invalid = true;
+      positions_invalid = true;
+    }
+  }
+
+  unsigned space_for (unsigned index, unsigned* root = nullptr) const
+  {
+    const auto& node = vertices_[index];
+    if (node.space)
+    {
+      if (root != nullptr)
+        *root = index;
+      return node.space;
+    }
+
+    if (!node.parents)
+    {
+      if (root)
+        *root = index;
+      return 0;
+    }
+
+    return space_for (node.parents[0], root);
+  }
+
+  void err_other_error () { this->successful = false; }
+
+  size_t total_size_in_bytes () const {
+    size_t total_size = 0;
+    for (unsigned i = 0; i < vertices_.length; i++) {
+      size_t size = vertices_[i].obj.tail - vertices_[i].obj.head;
+      total_size += size;
+    }
+    return total_size;
+  }
+
+
+ private:
+
+  /*
+   * Returns the numbers of incoming edges that are 24 or 32 bits wide.
+   */
+  unsigned wide_parents (unsigned node_idx, hb_set_t& parents) const
+  {
+    unsigned count = 0;
+    hb_set_t visited;
+    for (unsigned p : vertices_[node_idx].parents)
+    {
+      if (visited.has (p)) continue;
+      visited.add (p);
+
+      // Only real links can be wide
+      for (const auto& l : vertices_[p].obj.real_links)
+      {
+        if (l.objidx == node_idx
+            && (l.width == 3 || l.width == 4)
+            && !l.is_signed)
+        {
+          count++;
+          parents.add (p);
+        }
+      }
+    }
+    return count;
+  }
+
+  bool check_success (bool success)
+  { return this->successful && (success || ((void) err_other_error (), false)); }
+
+ public:
+  /*
+   * Creates a map from objid to # of incoming edges.
+   */
+  void update_parents ()
+  {
+    if (!parents_invalid) return;
+
+    for (unsigned i = 0; i < vertices_.length; i++)
+      vertices_[i].parents.reset ();
+
+    for (unsigned p = 0; p < vertices_.length; p++)
+    {
+      for (auto& l : vertices_[p].obj.all_links ())
+      {
+        vertices_[l.objidx].parents.push (p);
+      }
+    }
+
+    for (unsigned i = 0; i < vertices_.length; i++)
+      // parents arrays must be accurate or downstream operations like cycle detection
+      // and sorting won't work correctly.
+      check_success (!vertices_[i].parents.in_error ());
+
+    parents_invalid = false;
+  }
+
+  /*
+   * compute the serialized start and end positions for each vertex.
+   */
+  void update_positions ()
+  {
+    if (!positions_invalid) return;
+
+    unsigned current_pos = 0;
+    for (int i = root_idx (); i >= 0; i--)
+    {
+      auto& v = vertices_[i];
+      v.start = current_pos;
+      current_pos += v.obj.tail - v.obj.head;
+      v.end = current_pos;
+    }
+
+    positions_invalid = false;
+  }
+
+  /*
+   * Finds the distance to each object in the graph
+   * from the initial node.
+   */
+  void update_distances ()
+  {
+    if (!distance_invalid) return;
+
+    // Uses Dijkstra's algorithm to find all of the shortest distances.
+    // https://en.wikipedia.org/wiki/Dijkstra%27s_algorithm
+    //
+    // Implementation Note:
+    // Since our priority queue doesn't support fast priority decreases
+    // we instead just add new entries into the queue when a priority changes.
+    // Redundant ones are filtered out later on by the visited set.
+    // According to https://www3.cs.stonybrook.edu/~rezaul/papers/TR-07-54.pdf
+    // for practical performance this is faster then using a more advanced queue
+    // (such as a fibonacci queue) with a fast decrease priority.
+    for (unsigned i = 0; i < vertices_.length; i++)
+    {
+      if (i == vertices_.length - 1)
+        vertices_[i].distance = 0;
+      else
+        vertices_[i].distance = hb_int_max (int64_t);
+    }
+
+    hb_priority_queue_t queue;
+    queue.insert (0, vertices_.length - 1);
+
+    hb_vector_t<bool> visited;
+    visited.resize (vertices_.length);
+
+    while (!queue.in_error () && !queue.is_empty ())
+    {
+      unsigned next_idx = queue.pop_minimum ().second;
+      if (visited[next_idx]) continue;
+      const auto& next = vertices_[next_idx];
+      int64_t next_distance = vertices_[next_idx].distance;
+      visited[next_idx] = true;
+
+      for (const auto& link : next.obj.all_links ())
+      {
+        if (visited[link.objidx]) continue;
+
+        const auto& child = vertices_[link.objidx].obj;
+        unsigned link_width = link.width ? link.width : 4; // treat virtual offsets as 32 bits wide
+        int64_t child_weight = (child.tail - child.head) +
+                               ((int64_t) 1 << (link_width * 8)) * (vertices_[link.objidx].space + 1);
+        int64_t child_distance = next_distance + child_weight;
+
+        if (child_distance < vertices_[link.objidx].distance)
+        {
+          vertices_[link.objidx].distance = child_distance;
+          queue.insert (child_distance, link.objidx);
+        }
+      }
+    }
+
+    check_success (!queue.in_error ());
+    if (!check_success (queue.is_empty ()))
+    {
+      print_orphaned_nodes ();
+      return;
+    }
+
+    distance_invalid = false;
+  }
+
+ private:
+  /*
+   * Updates a link in the graph to point to a different object. Corrects the
+   * parents vector on the previous and new child nodes.
+   */
+  void reassign_link (hb_serialize_context_t::object_t::link_t& link,
+                      unsigned parent_idx,
+                      unsigned new_idx)
+  {
+    unsigned old_idx = link.objidx;
+    link.objidx = new_idx;
+    vertices_[old_idx].remove_parent (parent_idx);
+    vertices_[new_idx].parents.push (parent_idx);
+  }
+
+  /*
+   * Updates all objidx's in all links using the provided mapping. Corrects incoming edge counts.
+   */
+  template<typename Iterator, hb_requires (hb_is_iterator (Iterator))>
+  void remap_obj_indices (const hb_map_t& id_map,
+                          Iterator subgraph,
+                          bool only_wide = false)
+  {
+    if (!id_map) return;
+    for (unsigned i : subgraph)
+    {
+      for (auto& link : vertices_[i].obj.all_links_writer ())
+      {
+        const uint32_t *v;
+        if (!id_map.has (link.objidx, &v)) continue;
+        if (only_wide && !(link.width == 4 && !link.is_signed)) continue;
+
+        reassign_link (link, i, *v);
+      }
+    }
+  }
+
+  /*
+   * Updates all objidx's in all links using the provided mapping.
+   */
+  void remap_all_obj_indices (const hb_vector_t<unsigned>& id_map,
+                              hb_vector_t<vertex_t>* sorted_graph) const
+  {
+    for (unsigned i = 0; i < sorted_graph->length; i++)
+    {
+      (*sorted_graph)[i].remap_parents (id_map);
+      for (auto& link : (*sorted_graph)[i].obj.all_links_writer ())
+      {
+        link.objidx = id_map[link.objidx];
+      }
+    }
+  }
+
+  /*
+   * Finds all nodes in targets that are reachable from start_idx, nodes in visited will be skipped.
+   * For this search the graph is treated as being undirected.
+   *
+   * Connected targets will be added to connected and removed from targets. All visited nodes
+   * will be added to visited.
+   */
+  void find_connected_nodes (unsigned start_idx,
+                             hb_set_t& targets,
+                             hb_set_t& visited,
+                             hb_set_t& connected)
+  {
+    if (unlikely (!check_success (!visited.in_error ()))) return;
+    if (visited.has (start_idx)) return;
+    visited.add (start_idx);
+
+    if (targets.has (start_idx))
+    {
+      targets.del (start_idx);
+      connected.add (start_idx);
+    }
+
+    const auto& v = vertices_[start_idx];
+
+    // Graph is treated as undirected so search children and parents of start_idx
+    for (const auto& l : v.obj.all_links ())
+      find_connected_nodes (l.objidx, targets, visited, connected);
+
+    for (unsigned p : v.parents)
+      find_connected_nodes (p, targets, visited, connected);
+  }
+
+ public:
+  // TODO(garretrieger): make private, will need to move most of offset overflow code into graph.
+  hb_vector_t<vertex_t> vertices_;
+  hb_vector_t<vertex_t> vertices_scratch_;
+ private:
+  bool parents_invalid;
+  bool distance_invalid;
+  bool positions_invalid;
+  bool successful;
+  hb_vector_t<unsigned> num_roots_for_space_;
+  hb_vector_t<char*> buffers;
+};
+
+}
+
+#endif  // GRAPH_GRAPH_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc
new file mode 100644
index 0000000000..b2044426d4
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "gsubgpos-graph.hh"
+
+namespace graph {
+
+gsubgpos_graph_context_t::gsubgpos_graph_context_t (hb_tag_t table_tag_,
+                                                    graph_t& graph_)
+    : table_tag (table_tag_),
+      graph (graph_),
+      lookup_list_index (0),
+      lookups ()
+{
+  if (table_tag_ != HB_OT_TAG_GPOS
+      &&  table_tag_ != HB_OT_TAG_GSUB)
+    return;
+
+  GSTAR* gstar = graph::GSTAR::graph_to_gstar (graph_);
+  if (gstar) {
+    gstar->find_lookups (graph, lookups);
+    lookup_list_index = gstar->get_lookup_list_index (graph_);
+  }
+}
+
+unsigned gsubgpos_graph_context_t::create_node (unsigned size)
+{
+  char* buffer = (char*) hb_calloc (1, size);
+  if (!buffer)
+    return -1;
+
+  add_buffer (buffer);
+
+  return graph.new_node (buffer, buffer + size);
+}
+
+unsigned gsubgpos_graph_context_t::num_non_ext_subtables ()  {
+  unsigned count = 0;
+  for (auto l : lookups.values ())
+  {
+    if (l->is_extension (table_tag)) continue;
+    count += l->number_of_subtables ();
+  }
+  return count;
+}
+
+}
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh
new file mode 100644
index 0000000000..9fe9662e64
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "graph.hh"
+#include "../hb-ot-layout-gsubgpos.hh"
+
+#ifndef GRAPH_GSUBGPOS_CONTEXT_HH
+#define GRAPH_GSUBGPOS_CONTEXT_HH
+
+namespace graph {
+
+struct Lookup;
+
+struct gsubgpos_graph_context_t
+{
+  hb_tag_t table_tag;
+  graph_t& graph;
+  unsigned lookup_list_index;
+  hb_hashmap_t<unsigned, graph::Lookup*> lookups;
+
+
+  HB_INTERNAL gsubgpos_graph_context_t (hb_tag_t table_tag_,
+                                        graph_t& graph_);
+
+  HB_INTERNAL unsigned create_node (unsigned size);
+
+  void add_buffer (char* buffer)
+  {
+    graph.add_buffer (buffer);
+  }
+
+ private:
+  HB_INTERNAL unsigned num_non_ext_subtables ();
+};
+
+}
+
+#endif  // GRAPH_GSUBGPOS_CONTEXT
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh
new file mode 100644
index 0000000000..c170638409
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh
@@ -0,0 +1,414 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "graph.hh"
+#include "../hb-ot-layout-gsubgpos.hh"
+#include "../OT/Layout/GSUB/ExtensionSubst.hh"
+#include "gsubgpos-context.hh"
+#include "pairpos-graph.hh"
+#include "markbasepos-graph.hh"
+
+#ifndef GRAPH_GSUBGPOS_GRAPH_HH
+#define GRAPH_GSUBGPOS_GRAPH_HH
+
+namespace graph {
+
+struct Lookup;
+
+template<typename T>
+struct ExtensionFormat1 : public OT::ExtensionFormat1<T>
+{
+  void reset(unsigned type)
+  {
+    this->format = 1;
+    this->extensionLookupType = type;
+    this->extensionOffset = 0;
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    return vertex_len >= OT::ExtensionFormat1<T>::static_size;
+  }
+
+  unsigned get_lookup_type () const
+  {
+    return this->extensionLookupType;
+  }
+
+  unsigned get_subtable_index (graph_t& graph, unsigned this_index) const
+  {
+    return graph.index_for_offset (this_index, &this->extensionOffset);
+  }
+};
+
+struct Lookup : public OT::Lookup
+{
+  unsigned number_of_subtables () const
+  {
+    return subTable.len;
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < OT::Lookup::min_size) return false;
+    return vertex_len >= this->get_size ();
+  }
+
+  bool is_extension (hb_tag_t table_tag) const
+  {
+    return lookupType == extension_type (table_tag);
+  }
+
+  bool make_extension (gsubgpos_graph_context_t& c,
+                       unsigned this_index)
+  {
+    unsigned type = lookupType;
+    unsigned ext_type = extension_type (c.table_tag);
+    if (!ext_type || is_extension (c.table_tag))
+    {
+      // NOOP
+      return true;
+    }
+
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "Promoting lookup type %u (obj %u) to extension.",
+               type,
+               this_index);
+
+    for (unsigned i = 0; i < subTable.len; i++)
+    {
+      unsigned subtable_index = c.graph.index_for_offset (this_index, &subTable[i]);
+      if (!make_subtable_extension (c,
+                                    this_index,
+                                    subtable_index))
+        return false;
+    }
+
+    lookupType = ext_type;
+    return true;
+  }
+
+  bool split_subtables_if_needed (gsubgpos_graph_context_t& c,
+                                  unsigned this_index)
+  {
+    unsigned type = lookupType;
+    bool is_ext = is_extension (c.table_tag);
+
+    if (c.table_tag != HB_OT_TAG_GPOS)
+      return true;
+
+    if (!is_ext &&
+        type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::Pair &&
+        type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::MarkBase)
+      return true;
+
+    hb_vector_t<hb_pair_t<unsigned, hb_vector_t<unsigned>>> all_new_subtables;
+    for (unsigned i = 0; i < subTable.len; i++)
+    {
+      unsigned subtable_index = c.graph.index_for_offset (this_index, &subTable[i]);
+      unsigned parent_index = this_index;
+      if (is_ext) {
+        unsigned ext_subtable_index = subtable_index;
+        parent_index = ext_subtable_index;
+        ExtensionFormat1<OT::Layout::GSUB_impl::ExtensionSubst>* extension =
+            (ExtensionFormat1<OT::Layout::GSUB_impl::ExtensionSubst>*)
+            c.graph.object (ext_subtable_index).head;
+        if (!extension || !extension->sanitize (c.graph.vertices_[ext_subtable_index]))
+          continue;
+
+        subtable_index = extension->get_subtable_index (c.graph, ext_subtable_index);
+        type = extension->get_lookup_type ();
+        if (type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::Pair
+            && type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::MarkBase)
+          continue;
+      }
+
+      hb_vector_t<unsigned> new_sub_tables;
+      switch (type)
+      {
+      case 2:
+        new_sub_tables = split_subtable<PairPos> (c, parent_index, subtable_index); break;
+      case 4:
+        new_sub_tables = split_subtable<MarkBasePos> (c, parent_index, subtable_index); break;
+      default:
+        break;
+      }
+      if (new_sub_tables.in_error ()) return false;
+      if (!new_sub_tables) continue;
+      hb_pair_t<unsigned, hb_vector_t<unsigned>>* entry = all_new_subtables.push ();
+      entry->first = i;
+      entry->second = std::move (new_sub_tables);
+    }
+
+    if (all_new_subtables) {
+      add_sub_tables (c, this_index, type, all_new_subtables);
+    }
+
+    return true;
+  }
+
+  template<typename T>
+  hb_vector_t<unsigned> split_subtable (gsubgpos_graph_context_t& c,
+                                        unsigned parent_idx,
+                                        unsigned objidx)
+  {
+    T* sub_table = (T*) c.graph.object (objidx).head;
+    if (!sub_table || !sub_table->sanitize (c.graph.vertices_[objidx]))
+      return hb_vector_t<unsigned> ();
+
+    return sub_table->split_subtables (c, parent_idx, objidx);
+  }
+
+  void add_sub_tables (gsubgpos_graph_context_t& c,
+                       unsigned this_index,
+                       unsigned type,
+                       hb_vector_t<hb_pair_t<unsigned, hb_vector_t<unsigned>>>& subtable_ids)
+  {
+    bool is_ext = is_extension (c.table_tag);
+    auto& v = c.graph.vertices_[this_index];
+    fix_existing_subtable_links (c, this_index, subtable_ids);
+
+    unsigned new_subtable_count = 0;
+    for (const auto& p : subtable_ids)
+      new_subtable_count += p.second.length;
+
+    size_t new_size = v.table_size ()
+                      + new_subtable_count * OT::Offset16::static_size;
+    char* buffer = (char*) hb_calloc (1, new_size);
+    c.add_buffer (buffer);
+    hb_memcpy (buffer, v.obj.head, v.table_size());
+
+    v.obj.head = buffer;
+    v.obj.tail = buffer + new_size;
+
+    Lookup* new_lookup = (Lookup*) buffer;
+
+    unsigned shift = 0;
+    new_lookup->subTable.len = subTable.len + new_subtable_count;
+    for (const auto& p : subtable_ids)
+    {
+      unsigned offset_index = p.first + shift + 1;
+      shift += p.second.length;
+
+      for (unsigned subtable_id : p.second)
+      {
+        if (is_ext)
+        {
+          unsigned ext_id = create_extension_subtable (c, subtable_id, type);
+          c.graph.vertices_[subtable_id].parents.push (ext_id);
+          subtable_id = ext_id;
+        }
+
+        auto* link = v.obj.real_links.push ();
+        link->width = 2;
+        link->objidx = subtable_id;
+        link->position = (char*) &new_lookup->subTable[offset_index++] -
+                         (char*) new_lookup;
+        c.graph.vertices_[subtable_id].parents.push (this_index);
+      }
+    }
+
+    // Repacker sort order depends on link order, which we've messed up so resort it.
+    v.obj.real_links.qsort ();
+
+    // The head location of the lookup has changed, invalidating the lookups map entry
+    // in the context. Update the map.
+    c.lookups.set (this_index, new_lookup);
+  }
+
+  void fix_existing_subtable_links (gsubgpos_graph_context_t& c,
+                                    unsigned this_index,
+                                    hb_vector_t<hb_pair_t<unsigned, hb_vector_t<unsigned>>>& subtable_ids)
+  {
+    auto& v = c.graph.vertices_[this_index];
+    Lookup* lookup = (Lookup*) v.obj.head;
+
+    unsigned shift = 0;
+    for (const auto& p : subtable_ids)
+    {
+      unsigned insert_index = p.first + shift;
+      unsigned pos_offset = p.second.length * OT::Offset16::static_size;
+      unsigned insert_offset = (char*) &lookup->subTable[insert_index] - (char*) lookup;
+      shift += p.second.length;
+
+      for (auto& l : v.obj.all_links_writer ())
+      {
+        if (l.position > insert_offset) l.position += pos_offset;
+      }
+    }
+  }
+
+  unsigned create_extension_subtable (gsubgpos_graph_context_t& c,
+                                      unsigned subtable_index,
+                                      unsigned type)
+  {
+    unsigned extension_size = OT::ExtensionFormat1<OT::Layout::GSUB_impl::ExtensionSubst>::static_size;
+
+    unsigned ext_index = c.create_node (extension_size);
+    if (ext_index == (unsigned) -1)
+      return -1;
+
+    auto& ext_vertex = c.graph.vertices_[ext_index];
+    ExtensionFormat1<OT::Layout::GSUB_impl::ExtensionSubst>* extension =
+        (ExtensionFormat1<OT::Layout::GSUB_impl::ExtensionSubst>*) ext_vertex.obj.head;
+    extension->reset (type);
+
+    // Make extension point at the subtable.
+    auto* l = ext_vertex.obj.real_links.push ();
+
+    l->width = 4;
+    l->objidx = subtable_index;
+    l->position = 4;
+
+    return ext_index;
+  }
+
+  bool make_subtable_extension (gsubgpos_graph_context_t& c,
+                                unsigned lookup_index,
+                                unsigned subtable_index)
+  {
+    unsigned type = lookupType;
+
+    unsigned ext_index = create_extension_subtable(c, subtable_index, type);
+    if (ext_index == (unsigned) -1)
+      return false;
+
+    auto& lookup_vertex = c.graph.vertices_[lookup_index];
+    for (auto& l : lookup_vertex.obj.real_links.writer ())
+    {
+      if (l.objidx == subtable_index)
+        // Change lookup to point at the extension.
+        l.objidx = ext_index;
+    }
+
+    // Make extension point at the subtable.
+    auto& ext_vertex = c.graph.vertices_[ext_index];
+    auto& subtable_vertex = c.graph.vertices_[subtable_index];
+    ext_vertex.parents.push (lookup_index);
+    subtable_vertex.remap_parent (lookup_index, ext_index);
+
+    return true;
+  }
+
+ private:
+  unsigned extension_type (hb_tag_t table_tag) const
+  {
+    switch (table_tag)
+    {
+    case HB_OT_TAG_GPOS: return 9;
+    case HB_OT_TAG_GSUB: return 7;
+    default: return 0;
+    }
+  }
+};
+
+template <typename T>
+struct LookupList : public OT::LookupList<T>
+{
+  bool sanitize (const graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < OT::LookupList<T>::min_size) return false;
+    return vertex_len >= OT::LookupList<T>::item_size * this->len;
+  }
+};
+
+struct GSTAR : public OT::GSUBGPOS
+{
+  static GSTAR* graph_to_gstar (graph_t& graph)
+  {
+    const auto& r = graph.root ();
+
+    GSTAR* gstar = (GSTAR*) r.obj.head;
+    if (!gstar || !gstar->sanitize (r))
+      return nullptr;
+
+    return gstar;
+  }
+
+  const void* get_lookup_list_field_offset () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.get_lookup_list_offset ();
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.get_lookup_list_offset ();
+#endif
+    default: return 0;
+    }
+  }
+
+  bool sanitize (const graph_t::vertex_t& vertex)
+  {
+    int64_t len = vertex.obj.tail - vertex.obj.head;
+    if (len < OT::GSUBGPOS::min_size) return false;
+    return len >= get_size ();
+  }
+
+  void find_lookups (graph_t& graph,
+                     hb_hashmap_t<unsigned, Lookup*>& lookups /* OUT */)
+  {
+    switch (u.version.major) {
+      case 1: find_lookups<SmallTypes> (graph, lookups); break;
+#ifndef HB_NO_BEYOND_64K
+      case 2: find_lookups<MediumTypes> (graph, lookups); break;
+#endif
+    }
+  }
+
+  unsigned get_lookup_list_index (graph_t& graph)
+  {
+    return graph.index_for_offset (graph.root_idx (),
+                                   get_lookup_list_field_offset());
+  }
+
+  template<typename Types>
+  void find_lookups (graph_t& graph,
+                     hb_hashmap_t<unsigned, Lookup*>& lookups /* OUT */)
+  {
+    unsigned lookup_list_idx = get_lookup_list_index (graph);
+    const LookupList<Types>* lookupList =
+        (const LookupList<Types>*) graph.object (lookup_list_idx).head;
+    if (!lookupList || !lookupList->sanitize (graph.vertices_[lookup_list_idx]))
+      return;
+
+    for (unsigned i = 0; i < lookupList->len; i++)
+    {
+      unsigned lookup_idx = graph.index_for_offset (lookup_list_idx, &(lookupList->arrayZ[i]));
+      Lookup* lookup = (Lookup*) graph.object (lookup_idx).head;
+      if (!lookup || !lookup->sanitize (graph.vertices_[lookup_idx])) continue;
+      lookups.set (lookup_idx, lookup);
+    }
+  }
+};
+
+
+
+
+}
+
+#endif  /* GRAPH_GSUBGPOS_GRAPH_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh
new file mode 100644
index 0000000000..84ef5f71b9
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh
@@ -0,0 +1,510 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef GRAPH_MARKBASEPOS_GRAPH_HH
+#define GRAPH_MARKBASEPOS_GRAPH_HH
+
+#include "split-helpers.hh"
+#include "coverage-graph.hh"
+#include "../OT/Layout/GPOS/MarkBasePos.hh"
+#include "../OT/Layout/GPOS/PosLookupSubTable.hh"
+
+namespace graph {
+
+struct AnchorMatrix : public OT::Layout::GPOS_impl::AnchorMatrix
+{
+  bool sanitize (graph_t::vertex_t& vertex, unsigned class_count) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < AnchorMatrix::min_size) return false;
+
+    return vertex_len >= AnchorMatrix::min_size +
+        OT::Offset16::static_size * class_count * this->rows;
+  }
+
+  bool shrink (gsubgpos_graph_context_t& c,
+               unsigned this_index,
+               unsigned old_class_count,
+               unsigned new_class_count)
+  {
+    if (new_class_count >= old_class_count) return false;
+    auto& o = c.graph.vertices_[this_index].obj;
+    unsigned base_count = rows;
+    o.tail = o.head +
+             AnchorMatrix::min_size +
+             OT::Offset16::static_size * base_count * new_class_count;
+
+    // Reposition links into the new indexing scheme.
+    for (auto& link : o.real_links.writer ())
+    {
+      unsigned index = (link.position - 2) / 2;
+      unsigned base = index / old_class_count;
+      unsigned klass = index % old_class_count;
+      if (klass >= new_class_count)
+        // should have already been removed
+        return false;
+
+      unsigned new_index = base * new_class_count + klass;
+
+      link.position = (char*) &(this->matrixZ[new_index]) - (char*) this;
+    }
+
+    return true;
+  }
+
+  unsigned clone (gsubgpos_graph_context_t& c,
+                  unsigned this_index,
+                  unsigned start,
+                  unsigned end,
+                  unsigned class_count)
+  {
+    unsigned base_count = rows;
+    unsigned new_class_count = end - start;
+    unsigned size = AnchorMatrix::min_size +
+                    OT::Offset16::static_size * new_class_count * rows;
+    unsigned prime_id = c.create_node (size);
+    if (prime_id == (unsigned) -1) return -1;
+    AnchorMatrix* prime = (AnchorMatrix*) c.graph.object (prime_id).head;
+    prime->rows = base_count;
+
+    auto& o = c.graph.vertices_[this_index].obj;
+    int num_links = o.real_links.length;
+    for (int i = 0; i < num_links; i++)
+    {
+      const auto& link = o.real_links[i];
+      unsigned old_index = (link.position - 2) / OT::Offset16::static_size;
+      unsigned klass = old_index % class_count;
+      if (klass < start || klass >= end) continue;
+
+      unsigned base = old_index / class_count;
+      unsigned new_klass = klass - start;
+      unsigned new_index = base * new_class_count + new_klass;
+
+
+      unsigned child_idx = link.objidx;
+      c.graph.add_link (&(prime->matrixZ[new_index]),
+                        prime_id,
+                        child_idx);
+
+      auto& child = c.graph.vertices_[child_idx];
+      child.remove_parent (this_index);
+
+      o.real_links.remove_unordered (i);
+      num_links--;
+      i--;
+    }
+
+    return prime_id;
+  }
+};
+
+struct MarkArray : public OT::Layout::GPOS_impl::MarkArray
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    unsigned min_size = MarkArray::min_size;
+    if (vertex_len < min_size) return false;
+
+    return vertex_len >= get_size ();
+  }
+
+  bool shrink (gsubgpos_graph_context_t& c,
+               const hb_hashmap_t<unsigned, unsigned>& mark_array_links,
+               unsigned this_index,
+               unsigned new_class_count)
+  {
+    auto& o = c.graph.vertices_[this_index].obj;
+    for (const auto& link : o.real_links)
+      c.graph.vertices_[link.objidx].remove_parent (this_index);
+    o.real_links.reset ();
+
+    unsigned new_index = 0;
+    for (const auto& record : this->iter ())
+    {
+      unsigned klass = record.klass;
+      if (klass >= new_class_count) continue;
+
+      (*this)[new_index].klass = klass;
+      unsigned position = (char*) &record.markAnchor - (char*) this;
+      unsigned* objidx;
+      if (!mark_array_links.has (position, &objidx))
+      {
+        new_index++;
+        continue;
+      }
+
+      c.graph.add_link (&(*this)[new_index].markAnchor, this_index, *objidx);
+      new_index++;
+    }
+
+    this->len = new_index;
+    o.tail = o.head + MarkArray::min_size +
+             OT::Layout::GPOS_impl::MarkRecord::static_size * new_index;
+    return true;
+  }
+
+  unsigned clone (gsubgpos_graph_context_t& c,
+                  unsigned this_index,
+                  const hb_hashmap_t<unsigned, unsigned>& pos_to_index,
+                  hb_set_t& marks,
+                  unsigned start_class)
+  {
+    unsigned size = MarkArray::min_size +
+                    OT::Layout::GPOS_impl::MarkRecord::static_size *
+                    marks.get_population ();
+    unsigned prime_id = c.create_node (size);
+    if (prime_id == (unsigned) -1) return -1;
+    MarkArray* prime = (MarkArray*) c.graph.object (prime_id).head;
+    prime->len = marks.get_population ();
+
+
+    unsigned i = 0;
+    for (hb_codepoint_t mark : marks)
+    {
+      (*prime)[i].klass = (*this)[mark].klass - start_class;
+      unsigned offset_pos = (char*) &((*this)[mark].markAnchor) - (char*) this;
+      unsigned* anchor_index;
+      if (pos_to_index.has (offset_pos, &anchor_index))
+        c.graph.move_child (this_index,
+                            &((*this)[mark].markAnchor),
+                            prime_id,
+                            &((*prime)[i].markAnchor));
+
+      i++;
+    }
+
+    return prime_id;
+  }
+};
+
+struct MarkBasePosFormat1 : public OT::Layout::GPOS_impl::MarkBasePosFormat1_2<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    return vertex_len >= MarkBasePosFormat1::static_size;
+  }
+
+  hb_vector_t<unsigned> split_subtables (gsubgpos_graph_context_t& c,
+                                         unsigned parent_index,
+                                         unsigned this_index)
+  {
+    hb_set_t visited;
+
+    const unsigned base_coverage_id = c.graph.index_for_offset (this_index, &baseCoverage);
+    const unsigned base_size =
+        OT::Layout::GPOS_impl::PairPosFormat1_3<SmallTypes>::min_size +
+        MarkArray::min_size +
+        AnchorMatrix::min_size +
+        c.graph.vertices_[base_coverage_id].table_size ();
+
+    hb_vector_t<class_info_t> class_to_info = get_class_info (c, this_index);
+
+    unsigned class_count = classCount;
+    auto base_array = c.graph.as_table<AnchorMatrix> (this_index,
+                                                      &baseArray,
+                                                      class_count);
+    if (!base_array) return hb_vector_t<unsigned> ();
+    unsigned base_count = base_array.table->rows;
+
+    unsigned partial_coverage_size = 4;
+    unsigned accumulated = base_size;
+    hb_vector_t<unsigned> split_points;
+
+    for (unsigned klass = 0; klass < class_count; klass++)
+    {
+      class_info_t& info = class_to_info[klass];
+      partial_coverage_size += OT::HBUINT16::static_size * info.marks.get_population ();
+      unsigned accumulated_delta =
+          OT::Layout::GPOS_impl::MarkRecord::static_size * info.marks.get_population () +
+          OT::Offset16::static_size * base_count;
+
+      for (unsigned objidx : info.child_indices)
+        accumulated_delta += c.graph.find_subgraph_size (objidx, visited);
+
+      accumulated += accumulated_delta;
+      unsigned total = accumulated + partial_coverage_size;
+
+      if (total >= (1 << 16))
+      {
+        split_points.push (klass);
+        accumulated = base_size + accumulated_delta;
+        partial_coverage_size = 4 + OT::HBUINT16::static_size * info.marks.get_population ();
+        visited.clear (); // node sharing isn't allowed between splits.
+      }
+    }
+
+
+    const unsigned mark_array_id = c.graph.index_for_offset (this_index, &markArray);
+    split_context_t split_context {
+      c,
+      this,
+      c.graph.duplicate_if_shared (parent_index, this_index),
+      std::move (class_to_info),
+      c.graph.vertices_[mark_array_id].position_to_index_map (),
+    };
+
+    return actuate_subtable_split<split_context_t> (split_context, split_points);
+  }
+
+ private:
+
+  struct class_info_t {
+    hb_set_t marks;
+    hb_vector_t<unsigned> child_indices;
+  };
+
+  struct split_context_t {
+    gsubgpos_graph_context_t& c;
+    MarkBasePosFormat1* thiz;
+    unsigned this_index;
+    hb_vector_t<class_info_t> class_to_info;
+    hb_hashmap_t<unsigned, unsigned> mark_array_links;
+
+    hb_set_t marks_for (unsigned start, unsigned end)
+    {
+      hb_set_t marks;
+      for (unsigned klass = start; klass < end; klass++)
+      {
+        + class_to_info[klass].marks.iter ()
+        | hb_sink (marks)
+        ;
+      }
+      return marks;
+    }
+
+    unsigned original_count ()
+    {
+      return thiz->classCount;
+    }
+
+    unsigned clone_range (unsigned start, unsigned end)
+    {
+      return thiz->clone_range (*this, this->this_index, start, end);
+    }
+
+    bool shrink (unsigned count)
+    {
+      return thiz->shrink (*this, this->this_index, count);
+    }
+  };
+
+  hb_vector_t<class_info_t> get_class_info (gsubgpos_graph_context_t& c,
+                                            unsigned this_index)
+  {
+    hb_vector_t<class_info_t> class_to_info;
+
+    unsigned class_count= classCount;
+    class_to_info.resize (class_count);
+
+    auto mark_array = c.graph.as_table<MarkArray> (this_index, &markArray);
+    if (!mark_array) return hb_vector_t<class_info_t> ();
+    unsigned mark_count = mark_array.table->len;
+    for (unsigned mark = 0; mark < mark_count; mark++)
+    {
+      unsigned klass = (*mark_array.table)[mark].get_class ();
+      class_to_info[klass].marks.add (mark);
+    }
+
+    for (const auto& link : mark_array.vertex->obj.real_links)
+    {
+      unsigned mark = (link.position - 2) /
+                     OT::Layout::GPOS_impl::MarkRecord::static_size;
+      unsigned klass = (*mark_array.table)[mark].get_class ();
+      class_to_info[klass].child_indices.push (link.objidx);
+    }
+
+    unsigned base_array_id =
+        c.graph.index_for_offset (this_index, &baseArray);
+    auto& base_array_v = c.graph.vertices_[base_array_id];
+
+    for (const auto& link : base_array_v.obj.real_links)
+    {
+      unsigned index = (link.position - 2) / OT::Offset16::static_size;
+      unsigned klass = index % class_count;
+      class_to_info[klass].child_indices.push (link.objidx);
+    }
+
+    return class_to_info;
+  }
+
+  bool shrink (split_context_t& sc,
+               unsigned this_index,
+               unsigned count)
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Shrinking MarkBasePosFormat1 (%u) to [0, %u).",
+               this_index,
+               count);
+
+    unsigned old_count = classCount;
+    if (count >= old_count)
+      return true;
+
+    classCount = count;
+
+    auto mark_coverage = sc.c.graph.as_mutable_table<Coverage> (this_index,
+                                                                &markCoverage);
+    if (!mark_coverage) return false;
+    hb_set_t marks = sc.marks_for (0, count);
+    auto new_coverage =
+        + hb_enumerate (mark_coverage.table->iter ())
+        | hb_filter (marks, hb_first)
+        | hb_map_retains_sorting (hb_second)
+        ;
+    if (!Coverage::make_coverage (sc.c, + new_coverage,
+                                  mark_coverage.index,
+                                  4 + 2 * marks.get_population ()))
+      return false;
+
+
+    auto base_array = sc.c.graph.as_mutable_table<AnchorMatrix> (this_index,
+                                                                 &baseArray,
+                                                                 old_count);
+    if (!base_array || !base_array.table->shrink (sc.c,
+                                                  base_array.index,
+                                                  old_count,
+                                                  count))
+      return false;
+
+    auto mark_array = sc.c.graph.as_mutable_table<MarkArray> (this_index,
+                                                              &markArray);
+    if (!mark_array || !mark_array.table->shrink (sc.c,
+                                                  sc.mark_array_links,
+                                                  mark_array.index,
+                                                  count))
+      return false;
+
+    return true;
+  }
+
+  // Create a new MarkBasePos that has all of the data for classes from [start, end).
+  unsigned clone_range (split_context_t& sc,
+                        unsigned this_index,
+                        unsigned start, unsigned end) const
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Cloning MarkBasePosFormat1 (%u) range [%u, %u).", this_index, start, end);
+
+    graph_t& graph = sc.c.graph;
+    unsigned prime_size = OT::Layout::GPOS_impl::MarkBasePosFormat1_2<SmallTypes>::static_size;
+
+    unsigned prime_id = sc.c.create_node (prime_size);
+    if (prime_id == (unsigned) -1) return -1;
+
+    MarkBasePosFormat1* prime = (MarkBasePosFormat1*) graph.object (prime_id).head;
+    prime->format = this->format;
+    unsigned new_class_count = end - start;
+    prime->classCount = new_class_count;
+
+    unsigned base_coverage_id =
+        graph.index_for_offset (sc.this_index, &baseCoverage);
+    graph.add_link (&(prime->baseCoverage), prime_id, base_coverage_id);
+    graph.duplicate (prime_id, base_coverage_id);
+
+    auto mark_coverage = sc.c.graph.as_table<Coverage> (this_index,
+                                                        &markCoverage);
+    if (!mark_coverage) return false;
+    hb_set_t marks = sc.marks_for (start, end);
+    auto new_coverage =
+        + hb_enumerate (mark_coverage.table->iter ())
+        | hb_filter (marks, hb_first)
+        | hb_map_retains_sorting (hb_second)
+        ;
+    if (!Coverage::add_coverage (sc.c,
+                                 prime_id,
+                                 2,
+                                 + new_coverage,
+                                 marks.get_population () * 2 + 4))
+      return -1;
+
+    auto mark_array =
+        graph.as_table <MarkArray> (sc.this_index, &markArray);
+    if (!mark_array) return -1;
+    unsigned new_mark_array =
+        mark_array.table->clone (sc.c,
+                                 mark_array.index,
+                                 sc.mark_array_links,
+                                 marks,
+                                 start);
+    graph.add_link (&(prime->markArray), prime_id, new_mark_array);
+
+    unsigned class_count = classCount;
+    auto base_array =
+        graph.as_table<AnchorMatrix> (sc.this_index, &baseArray, class_count);
+    if (!base_array) return -1;
+    unsigned new_base_array =
+        base_array.table->clone (sc.c,
+                                 base_array.index,
+                                 start, end, this->classCount);
+    graph.add_link (&(prime->baseArray), prime_id, new_base_array);
+
+    return prime_id;
+  }
+};
+
+
+struct MarkBasePos : public OT::Layout::GPOS_impl::MarkBasePos
+{
+  hb_vector_t<unsigned> split_subtables (gsubgpos_graph_context_t& c,
+                                         unsigned parent_index,
+                                         unsigned this_index)
+  {
+    switch (u.format) {
+    case 1:
+      return ((MarkBasePosFormat1*)(&u.format1))->split_subtables (c, parent_index, this_index);
+#ifndef HB_NO_BEYOND_64K
+    case 2: HB_FALLTHROUGH;
+      // Don't split 24bit PairPos's.
+#endif
+    default:
+      return hb_vector_t<unsigned> ();
+    }
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < u.format.get_size ()) return false;
+
+    switch (u.format) {
+    case 1:
+      return ((MarkBasePosFormat1*)(&u.format1))->sanitize (vertex);
+#ifndef HB_NO_BEYOND_64K
+    case 2: HB_FALLTHROUGH;
+#endif
+    default:
+      // We don't handle format 3 and 4 here.
+      return false;
+    }
+  }
+};
+
+
+}
+
+#endif  // GRAPH_MARKBASEPOS_GRAPH_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh
new file mode 100644
index 0000000000..1c13eb24f9
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh
@@ -0,0 +1,647 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef GRAPH_PAIRPOS_GRAPH_HH
+#define GRAPH_PAIRPOS_GRAPH_HH
+
+#include "split-helpers.hh"
+#include "coverage-graph.hh"
+#include "classdef-graph.hh"
+#include "../OT/Layout/GPOS/PairPos.hh"
+#include "../OT/Layout/GPOS/PosLookupSubTable.hh"
+
+namespace graph {
+
+struct PairPosFormat1 : public OT::Layout::GPOS_impl::PairPosFormat1_3<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    unsigned min_size = OT::Layout::GPOS_impl::PairPosFormat1_3<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+
+    return vertex_len >=
+        min_size + pairSet.get_size () - pairSet.len.get_size();
+  }
+
+  hb_vector_t<unsigned> split_subtables (gsubgpos_graph_context_t& c,
+                                         unsigned parent_index,
+                                         unsigned this_index)
+  {
+    hb_set_t visited;
+
+    const unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage);
+    const unsigned coverage_size = c.graph.vertices_[coverage_id].table_size ();
+    const unsigned base_size = OT::Layout::GPOS_impl::PairPosFormat1_3<SmallTypes>::min_size;
+
+    unsigned partial_coverage_size = 4;
+    unsigned accumulated = base_size;
+    hb_vector_t<unsigned> split_points;
+    for (unsigned i = 0; i < pairSet.len; i++)
+    {
+      unsigned pair_set_index = pair_set_graph_index (c, this_index, i);
+      unsigned accumulated_delta =
+          c.graph.find_subgraph_size (pair_set_index, visited) +
+          SmallTypes::size; // for PairSet offset.
+      partial_coverage_size += OT::HBUINT16::static_size;
+
+      accumulated += accumulated_delta;
+      unsigned total = accumulated + hb_min (partial_coverage_size, coverage_size);
+
+      if (total >= (1 << 16))
+      {
+        split_points.push (i);
+        accumulated = base_size + accumulated_delta;
+        partial_coverage_size = 6;
+        visited.clear (); // node sharing isn't allowed between splits.
+      }
+    }
+
+    split_context_t split_context {
+      c,
+      this,
+      c.graph.duplicate_if_shared (parent_index, this_index),
+    };
+
+    return actuate_subtable_split<split_context_t> (split_context, split_points);
+  }
+
+ private:
+
+  struct split_context_t {
+    gsubgpos_graph_context_t& c;
+    PairPosFormat1* thiz;
+    unsigned this_index;
+
+    unsigned original_count ()
+    {
+      return thiz->pairSet.len;
+    }
+
+    unsigned clone_range (unsigned start, unsigned end)
+    {
+      return thiz->clone_range (this->c, this->this_index, start, end);
+    }
+
+    bool shrink (unsigned count)
+    {
+      return thiz->shrink (this->c, this->this_index, count);
+    }
+  };
+
+  bool shrink (gsubgpos_graph_context_t& c,
+               unsigned this_index,
+               unsigned count)
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Shrinking PairPosFormat1 (%u) to [0, %u).",
+               this_index,
+               count);
+    unsigned old_count = pairSet.len;
+    if (count >= old_count)
+      return true;
+
+    pairSet.len = count;
+    c.graph.vertices_[this_index].obj.tail -= (old_count - count) * SmallTypes::size;
+
+    auto coverage = c.graph.as_mutable_table<Coverage> (this_index, &this->coverage);
+    if (!coverage) return false;
+
+    unsigned coverage_size = coverage.vertex->table_size ();
+    auto new_coverage =
+        + hb_zip (coverage.table->iter (), hb_range ())
+        | hb_filter ([&] (hb_pair_t<unsigned, unsigned> p) {
+          return p.second < count;
+        })
+        | hb_map_retains_sorting (hb_first)
+        ;
+
+    return Coverage::make_coverage (c, new_coverage, coverage.index, coverage_size);
+  }
+
+  // Create a new PairPos including PairSet's from start (inclusive) to end (exclusive).
+  // Returns object id of the new object.
+  unsigned clone_range (gsubgpos_graph_context_t& c,
+                        unsigned this_index,
+                        unsigned start, unsigned end) const
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Cloning PairPosFormat1 (%u) range [%u, %u).", this_index, start, end);
+
+    unsigned num_pair_sets = end - start;
+    unsigned prime_size = OT::Layout::GPOS_impl::PairPosFormat1_3<SmallTypes>::min_size
+                          + num_pair_sets * SmallTypes::size;
+
+    unsigned pair_pos_prime_id = c.create_node (prime_size);
+    if (pair_pos_prime_id == (unsigned) -1) return -1;
+
+    PairPosFormat1* pair_pos_prime = (PairPosFormat1*) c.graph.object (pair_pos_prime_id).head;
+    pair_pos_prime->format = this->format;
+    pair_pos_prime->valueFormat[0] = this->valueFormat[0];
+    pair_pos_prime->valueFormat[1] = this->valueFormat[1];
+    pair_pos_prime->pairSet.len = num_pair_sets;
+
+    for (unsigned i = start; i < end; i++)
+    {
+      c.graph.move_child<> (this_index,
+                            &pairSet[i],
+                            pair_pos_prime_id,
+                            &pair_pos_prime->pairSet[i - start]);
+    }
+
+    unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage);
+    if (!Coverage::clone_coverage (c,
+                                   coverage_id,
+                                   pair_pos_prime_id,
+                                   2,
+                                   start, end))
+      return -1;
+
+    return pair_pos_prime_id;
+  }
+
+
+
+  unsigned pair_set_graph_index (gsubgpos_graph_context_t& c, unsigned this_index, unsigned i) const
+  {
+    return c.graph.index_for_offset (this_index, &pairSet[i]);
+  }
+};
+
+struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallTypes>
+{
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    size_t vertex_len = vertex.table_size ();
+    unsigned min_size = OT::Layout::GPOS_impl::PairPosFormat2_4<SmallTypes>::min_size;
+    if (vertex_len < min_size) return false;
+
+    const unsigned class1_count = class1Count;
+    return vertex_len >=
+        min_size + class1_count * get_class1_record_size ();
+  }
+
+  hb_vector_t<unsigned> split_subtables (gsubgpos_graph_context_t& c,
+                                         unsigned parent_index,
+                                         unsigned this_index)
+  {
+    const unsigned base_size = OT::Layout::GPOS_impl::PairPosFormat2_4<SmallTypes>::min_size;
+    const unsigned class_def_2_size = size_of (c, this_index, &classDef2);
+    const Coverage* coverage = get_coverage (c, this_index);
+    const ClassDef* class_def_1 = get_class_def_1 (c, this_index);
+    auto gid_and_class =
+        + coverage->iter ()
+        | hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
+          return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1->get_class (gid));
+        })
+        ;
+    class_def_size_estimator_t estimator (gid_and_class);
+
+    const unsigned class1_count = class1Count;
+    const unsigned class2_count = class2Count;
+    const unsigned class1_record_size = get_class1_record_size ();
+
+    const unsigned value_1_len = valueFormat1.get_len ();
+    const unsigned value_2_len = valueFormat2.get_len ();
+    const unsigned total_value_len = value_1_len + value_2_len;
+
+    unsigned accumulated = base_size;
+    unsigned coverage_size = 4;
+    unsigned class_def_1_size = 4;
+    unsigned max_coverage_size = coverage_size;
+    unsigned max_class_def_1_size = class_def_1_size;
+
+    hb_vector_t<unsigned> split_points;
+
+    hb_hashmap_t<unsigned, unsigned> device_tables = get_all_device_tables (c, this_index);
+    hb_vector_t<unsigned> format1_device_table_indices = valueFormat1.get_device_table_indices ();
+    hb_vector_t<unsigned> format2_device_table_indices = valueFormat2.get_device_table_indices ();
+    bool has_device_tables = bool(format1_device_table_indices) || bool(format2_device_table_indices);
+
+    hb_set_t visited;
+    for (unsigned i = 0; i < class1_count; i++)
+    {
+      unsigned accumulated_delta = class1_record_size;
+      coverage_size += estimator.incremental_coverage_size (i);
+      class_def_1_size += estimator.incremental_class_def_size (i);
+      max_coverage_size = hb_max (max_coverage_size, coverage_size);
+      max_class_def_1_size = hb_max (max_class_def_1_size, class_def_1_size);
+
+      if (has_device_tables) {
+        for (unsigned j = 0; j < class2_count; j++)
+        {
+          unsigned value1_index = total_value_len * (class2_count * i + j);
+          unsigned value2_index = value1_index + value_1_len;
+          accumulated_delta += size_of_value_record_children (c,
+                                                        device_tables,
+                                                        format1_device_table_indices,
+                                                        value1_index,
+                                                        visited);
+          accumulated_delta += size_of_value_record_children (c,
+                                                        device_tables,
+                                                        format2_device_table_indices,
+                                                        value2_index,
+                                                        visited);
+        }
+      }
+
+      accumulated += accumulated_delta;
+      unsigned total = accumulated
+                       + coverage_size + class_def_1_size + class_def_2_size
+                       // The largest object will pack last and can exceed the size limit.
+                       - hb_max (hb_max (coverage_size, class_def_1_size), class_def_2_size);
+      if (total >= (1 << 16))
+      {
+        split_points.push (i);
+        // split does not include i, so add the size for i when we reset the size counters.
+        accumulated = base_size + accumulated_delta;
+        coverage_size = 4 + estimator.incremental_coverage_size (i);
+        class_def_1_size = 4 + estimator.incremental_class_def_size (i);
+        visited.clear (); // node sharing isn't allowed between splits.
+      }
+    }
+
+    split_context_t split_context {
+      c,
+      this,
+      c.graph.duplicate_if_shared (parent_index, this_index),
+      class1_record_size,
+      total_value_len,
+      value_1_len,
+      value_2_len,
+      max_coverage_size,
+      max_class_def_1_size,
+      device_tables,
+      format1_device_table_indices,
+      format2_device_table_indices
+    };
+
+    return actuate_subtable_split<split_context_t> (split_context, split_points);
+  }
+ private:
+
+  struct split_context_t
+  {
+    gsubgpos_graph_context_t& c;
+    PairPosFormat2* thiz;
+    unsigned this_index;
+    unsigned class1_record_size;
+    unsigned value_record_len;
+    unsigned value1_record_len;
+    unsigned value2_record_len;
+    unsigned max_coverage_size;
+    unsigned max_class_def_size;
+
+    const hb_hashmap_t<unsigned, unsigned>& device_tables;
+    const hb_vector_t<unsigned>& format1_device_table_indices;
+    const hb_vector_t<unsigned>& format2_device_table_indices;
+
+    unsigned original_count ()
+    {
+      return thiz->class1Count;
+    }
+
+    unsigned clone_range (unsigned start, unsigned end)
+    {
+      return thiz->clone_range (*this, start, end);
+    }
+
+    bool shrink (unsigned count)
+    {
+      return thiz->shrink (*this, count);
+    }
+  };
+
+  size_t get_class1_record_size () const
+  {
+    const size_t class2_count = class2Count;
+    return
+        class2_count * (valueFormat1.get_size () + valueFormat2.get_size ());
+  }
+
+  unsigned clone_range (split_context_t& split_context,
+                        unsigned start, unsigned end) const
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Cloning PairPosFormat2 (%u) range [%u, %u).", split_context.this_index, start, end);
+
+    graph_t& graph = split_context.c.graph;
+
+    unsigned num_records = end - start;
+    unsigned prime_size = OT::Layout::GPOS_impl::PairPosFormat2_4<SmallTypes>::min_size
+                          + num_records * split_context.class1_record_size;
+
+    unsigned pair_pos_prime_id = split_context.c.create_node (prime_size);
+    if (pair_pos_prime_id == (unsigned) -1) return -1;
+
+    PairPosFormat2* pair_pos_prime =
+        (PairPosFormat2*) graph.object (pair_pos_prime_id).head;
+    pair_pos_prime->format = this->format;
+    pair_pos_prime->valueFormat1 = this->valueFormat1;
+    pair_pos_prime->valueFormat2 = this->valueFormat2;
+    pair_pos_prime->class1Count = num_records;
+    pair_pos_prime->class2Count = this->class2Count;
+    clone_class1_records (split_context,
+                          pair_pos_prime_id,
+                          start,
+                          end);
+
+    unsigned coverage_id =
+        graph.index_for_offset (split_context.this_index, &coverage);
+    unsigned class_def_1_id =
+        graph.index_for_offset (split_context.this_index, &classDef1);
+    auto& coverage_v = graph.vertices_[coverage_id];
+    auto& class_def_1_v = graph.vertices_[class_def_1_id];
+    Coverage* coverage_table = (Coverage*) coverage_v.obj.head;
+    ClassDef* class_def_1_table = (ClassDef*) class_def_1_v.obj.head;
+    if (!coverage_table
+        || !coverage_table->sanitize (coverage_v)
+        || !class_def_1_table
+        || !class_def_1_table->sanitize (class_def_1_v))
+      return -1;
+
+    auto klass_map =
+    + coverage_table->iter ()
+    | hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
+      return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1_table->get_class (gid));
+    })
+    | hb_filter ([&] (hb_codepoint_t klass) {
+      return klass >= start && klass < end;
+    }, hb_second)
+    | hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, hb_codepoint_t> gid_and_class) {
+      // Classes must be from 0...N so subtract start
+      return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid_and_class.first, gid_and_class.second - start);
+    })
+    ;
+
+    if (!Coverage::add_coverage (split_context.c,
+                                 pair_pos_prime_id,
+                                 2,
+                                 + klass_map | hb_map_retains_sorting (hb_first),
+                                 split_context.max_coverage_size))
+      return -1;
+
+    // classDef1
+    if (!ClassDef::add_class_def (split_context.c,
+                                  pair_pos_prime_id,
+                                  8,
+                                  + klass_map,
+                                  split_context.max_class_def_size))
+      return -1;
+
+    // classDef2
+    unsigned class_def_2_id =
+        graph.index_for_offset (split_context.this_index, &classDef2);
+    auto* class_def_link = graph.vertices_[pair_pos_prime_id].obj.real_links.push ();
+    class_def_link->width = SmallTypes::size;
+    class_def_link->objidx = class_def_2_id;
+    class_def_link->position = 10;
+    graph.vertices_[class_def_2_id].parents.push (pair_pos_prime_id);
+    graph.duplicate (pair_pos_prime_id, class_def_2_id);
+
+    return pair_pos_prime_id;
+  }
+
+  void clone_class1_records (split_context_t& split_context,
+                             unsigned pair_pos_prime_id,
+                             unsigned start, unsigned end) const
+  {
+    PairPosFormat2* pair_pos_prime =
+        (PairPosFormat2*) split_context.c.graph.object (pair_pos_prime_id).head;
+
+    char* start_addr = ((char*)&values[0]) + start * split_context.class1_record_size;
+    unsigned num_records = end - start;
+    hb_memcpy (&pair_pos_prime->values[0],
+            start_addr,
+            num_records * split_context.class1_record_size);
+
+    if (!split_context.format1_device_table_indices
+        && !split_context.format2_device_table_indices)
+      // No device tables to move over.
+      return;
+
+    unsigned class2_count = class2Count;
+    for (unsigned i = start; i < end; i++)
+    {
+      for (unsigned j = 0; j < class2_count; j++)
+      {
+        unsigned value1_index = split_context.value_record_len * (class2_count * i + j);
+        unsigned value2_index = value1_index + split_context.value1_record_len;
+
+        unsigned new_value1_index = split_context.value_record_len * (class2_count * (i - start) + j);
+        unsigned new_value2_index = new_value1_index + split_context.value1_record_len;
+
+        transfer_device_tables (split_context,
+                                pair_pos_prime_id,
+                                split_context.format1_device_table_indices,
+                                value1_index,
+                                new_value1_index);
+
+        transfer_device_tables (split_context,
+                                pair_pos_prime_id,
+                                split_context.format2_device_table_indices,
+                                value2_index,
+                                new_value2_index);
+      }
+    }
+  }
+
+  void transfer_device_tables (split_context_t& split_context,
+                               unsigned pair_pos_prime_id,
+                               const hb_vector_t<unsigned>& device_table_indices,
+                               unsigned old_value_record_index,
+                               unsigned new_value_record_index) const
+  {
+    PairPosFormat2* pair_pos_prime =
+        (PairPosFormat2*) split_context.c.graph.object (pair_pos_prime_id).head;
+
+    for (unsigned i : device_table_indices)
+    {
+      OT::Offset16* record = (OT::Offset16*) &values[old_value_record_index + i];
+      unsigned record_position = ((char*) record) - ((char*) this);
+      if (!split_context.device_tables.has (record_position)) continue;
+
+      split_context.c.graph.move_child (
+          split_context.this_index,
+          record,
+          pair_pos_prime_id,
+          (OT::Offset16*) &pair_pos_prime->values[new_value_record_index + i]);
+    }
+  }
+
+  bool shrink (split_context_t& split_context,
+               unsigned count)
+  {
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  Shrinking PairPosFormat2 (%u) to [0, %u).",
+               split_context.this_index,
+               count);
+    unsigned old_count = class1Count;
+    if (count >= old_count)
+      return true;
+
+    graph_t& graph = split_context.c.graph;
+    class1Count = count;
+    graph.vertices_[split_context.this_index].obj.tail -=
+        (old_count - count) * split_context.class1_record_size;
+
+    auto coverage =
+        graph.as_mutable_table<Coverage> (split_context.this_index, &this->coverage);
+    if (!coverage) return false;
+
+    auto class_def_1 =
+        graph.as_mutable_table<ClassDef> (split_context.this_index, &classDef1);
+    if (!class_def_1) return false;
+
+    auto klass_map =
+    + coverage.table->iter ()
+    | hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
+      return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1.table->get_class (gid));
+    })
+    | hb_filter ([&] (hb_codepoint_t klass) {
+      return klass < count;
+    }, hb_second)
+    ;
+
+    auto new_coverage = + klass_map | hb_map_retains_sorting (hb_first);
+    if (!Coverage::make_coverage (split_context.c,
+                                  + new_coverage,
+                                  coverage.index,
+                                  // existing ranges my not be kept, worst case size is a format 1
+                                  // coverage table.
+                                  4 + new_coverage.len() * 2))
+      return false;
+
+    return ClassDef::make_class_def (split_context.c,
+                                     + klass_map,
+                                     class_def_1.index,
+                                     class_def_1.vertex->table_size ());
+  }
+
+  hb_hashmap_t<unsigned, unsigned>
+  get_all_device_tables (gsubgpos_graph_context_t& c,
+                         unsigned this_index) const
+  {
+    const auto& v = c.graph.vertices_[this_index];
+    return v.position_to_index_map ();
+  }
+
+  const Coverage* get_coverage (gsubgpos_graph_context_t& c,
+                          unsigned this_index) const
+  {
+    unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage);
+    auto& coverage_v = c.graph.vertices_[coverage_id];
+
+    Coverage* coverage_table = (Coverage*) coverage_v.obj.head;
+    if (!coverage_table || !coverage_table->sanitize (coverage_v))
+      return &Null(Coverage);
+    return coverage_table;
+  }
+
+  const ClassDef* get_class_def_1 (gsubgpos_graph_context_t& c,
+                                   unsigned this_index) const
+  {
+    unsigned class_def_1_id = c.graph.index_for_offset (this_index, &classDef1);
+    auto& class_def_1_v = c.graph.vertices_[class_def_1_id];
+
+    ClassDef* class_def_1_table = (ClassDef*) class_def_1_v.obj.head;
+    if (!class_def_1_table || !class_def_1_table->sanitize (class_def_1_v))
+      return &Null(ClassDef);
+    return class_def_1_table;
+  }
+
+  unsigned size_of_value_record_children (gsubgpos_graph_context_t& c,
+                                          const hb_hashmap_t<unsigned, unsigned>& device_tables,
+                                          const hb_vector_t<unsigned> device_table_indices,
+                                          unsigned value_record_index,
+                                          hb_set_t& visited)
+  {
+    unsigned size = 0;
+    for (unsigned i : device_table_indices)
+    {
+      OT::Layout::GPOS_impl::Value* record = &values[value_record_index + i];
+      unsigned record_position = ((char*) record) - ((char*) this);
+      unsigned* obj_idx;
+      if (!device_tables.has (record_position, &obj_idx)) continue;
+      size += c.graph.find_subgraph_size (*obj_idx, visited);
+    }
+    return size;
+  }
+
+  unsigned size_of (gsubgpos_graph_context_t& c,
+                    unsigned this_index,
+                    const void* offset) const
+  {
+    const unsigned id = c.graph.index_for_offset (this_index, offset);
+    return c.graph.vertices_[id].table_size ();
+  }
+};
+
+struct PairPos : public OT::Layout::GPOS_impl::PairPos
+{
+  hb_vector_t<unsigned> split_subtables (gsubgpos_graph_context_t& c,
+                                         unsigned parent_index,
+                                         unsigned this_index)
+  {
+    switch (u.format) {
+    case 1:
+      return ((PairPosFormat1*)(&u.format1))->split_subtables (c, parent_index, this_index);
+    case 2:
+      return ((PairPosFormat2*)(&u.format2))->split_subtables (c, parent_index, this_index);
+#ifndef HB_NO_BEYOND_64K
+    case 3: HB_FALLTHROUGH;
+    case 4: HB_FALLTHROUGH;
+      // Don't split 24bit PairPos's.
+#endif
+    default:
+      return hb_vector_t<unsigned> ();
+    }
+  }
+
+  bool sanitize (graph_t::vertex_t& vertex) const
+  {
+    int64_t vertex_len = vertex.obj.tail - vertex.obj.head;
+    if (vertex_len < u.format.get_size ()) return false;
+
+    switch (u.format) {
+    case 1:
+      return ((PairPosFormat1*)(&u.format1))->sanitize (vertex);
+    case 2:
+      return ((PairPosFormat2*)(&u.format2))->sanitize (vertex);
+#ifndef HB_NO_BEYOND_64K
+    case 3: HB_FALLTHROUGH;
+    case 4: HB_FALLTHROUGH;
+#endif
+    default:
+      // We don't handle format 3 and 4 here.
+      return false;
+    }
+  }
+};
+
+}
+
+#endif  // GRAPH_PAIRPOS_GRAPH_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh b/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh
new file mode 100644
index 0000000000..d03a61bd19
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh
@@ -0,0 +1,270 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef GRAPH_SERIALIZE_HH
+#define GRAPH_SERIALIZE_HH
+
+namespace graph {
+
+struct overflow_record_t
+{
+  unsigned parent;
+  unsigned child;
+
+  bool operator != (const overflow_record_t o) const
+  { return !(*this == o); }
+
+  inline bool operator == (const overflow_record_t& o) const
+  {
+    return parent == o.parent &&
+        child == o.child;
+  }
+
+  inline uint32_t hash () const
+  {
+    uint32_t current = 0;
+    current = current * 31 + hb_hash (parent);
+    current = current * 31 + hb_hash (child);
+    return current;
+  }
+};
+
+inline
+int64_t compute_offset (
+    const graph_t& graph,
+    unsigned parent_idx,
+    const hb_serialize_context_t::object_t::link_t& link)
+{
+  const auto& parent = graph.vertices_[parent_idx];
+  const auto& child = graph.vertices_[link.objidx];
+  int64_t offset = 0;
+  switch ((hb_serialize_context_t::whence_t) link.whence) {
+    case hb_serialize_context_t::whence_t::Head:
+      offset = child.start - parent.start; break;
+    case hb_serialize_context_t::whence_t::Tail:
+      offset = child.start - parent.end; break;
+    case hb_serialize_context_t::whence_t::Absolute:
+      offset = child.start; break;
+  }
+
+  assert (offset >= link.bias);
+  offset -= link.bias;
+  return offset;
+}
+
+inline
+bool is_valid_offset (int64_t offset,
+                      const hb_serialize_context_t::object_t::link_t& link)
+{
+  if (unlikely (!link.width))
+    // Virtual links can't overflow.
+    return link.is_signed || offset >= 0;
+
+  if (link.is_signed)
+  {
+    if (link.width == 4)
+      return offset >= -((int64_t) 1 << 31) && offset < ((int64_t) 1 << 31);
+    else
+      return offset >= -(1 << 15) && offset < (1 << 15);
+  }
+  else
+  {
+    if (link.width == 4)
+      return offset >= 0 && offset < ((int64_t) 1 << 32);
+    else if (link.width == 3)
+      return offset >= 0 && offset < ((int32_t) 1 << 24);
+    else
+      return offset >= 0 && offset < (1 << 16);
+  }
+}
+
+/*
+ * Will any offsets overflow on graph when it's serialized?
+ */
+inline bool
+will_overflow (graph_t& graph,
+               hb_vector_t<overflow_record_t>* overflows = nullptr)
+{
+  if (overflows) overflows->resize (0);
+  graph.update_positions ();
+
+  hb_hashmap_t<overflow_record_t*, bool> record_set;
+  const auto& vertices = graph.vertices_;
+  for (int parent_idx = vertices.length - 1; parent_idx >= 0; parent_idx--)
+  {
+    // Don't need to check virtual links for overflow
+    for (const auto& link : vertices[parent_idx].obj.real_links)
+    {
+      int64_t offset = compute_offset (graph, parent_idx, link);
+      if (is_valid_offset (offset, link))
+        continue;
+
+      if (!overflows) return true;
+
+      overflow_record_t r;
+      r.parent = parent_idx;
+      r.child = link.objidx;
+      if (record_set.has(&r)) continue; // don't keep duplicate overflows.
+
+      overflows->push (r);
+      record_set.set(&r, true);
+    }
+  }
+
+  if (!overflows) return false;
+  return overflows->length;
+}
+
+inline
+void print_overflows (graph_t& graph,
+                      const hb_vector_t<overflow_record_t>& overflows)
+{
+  if (!DEBUG_ENABLED(SUBSET_REPACK)) return;
+
+  graph.update_parents ();
+  int limit = 10;
+  for (const auto& o : overflows)
+  {
+    if (!limit--) break;
+    const auto& parent = graph.vertices_[o.parent];
+    const auto& child = graph.vertices_[o.child];
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "  overflow from "
+               "%4d (%4d in, %4d out, space %2d) => "
+               "%4d (%4d in, %4d out, space %2d)",
+               o.parent,
+               parent.incoming_edges (),
+               parent.obj.real_links.length + parent.obj.virtual_links.length,
+               graph.space_for (o.parent),
+               o.child,
+               child.incoming_edges (),
+               child.obj.real_links.length + child.obj.virtual_links.length,
+               graph.space_for (o.child));
+  }
+  if (overflows.length > 10) {
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "  ... plus %d more overflows.", overflows.length - 10);
+  }
+}
+
+template <typename O> inline void
+serialize_link_of_type (const hb_serialize_context_t::object_t::link_t& link,
+                        char* head,
+                        hb_serialize_context_t* c)
+{
+  OT::Offset<O>* offset = reinterpret_cast<OT::Offset<O>*> (head + link.position);
+  *offset = 0;
+  c->add_link (*offset,
+               // serializer has an extra nil object at the start of the
+               // object array. So all id's are +1 of what our id's are.
+               link.objidx + 1,
+               (hb_serialize_context_t::whence_t) link.whence,
+               link.bias);
+}
+
+inline
+void serialize_link (const hb_serialize_context_t::object_t::link_t& link,
+                     char* head,
+                     hb_serialize_context_t* c)
+{
+  switch (link.width)
+  {
+    case 0:
+      // Virtual links aren't serialized.
+      return;
+    case 4:
+      if (link.is_signed)
+      {
+        serialize_link_of_type<OT::HBINT32> (link, head, c);
+      } else {
+        serialize_link_of_type<OT::HBUINT32> (link, head, c);
+      }
+      return;
+    case 2:
+      if (link.is_signed)
+      {
+        serialize_link_of_type<OT::HBINT16> (link, head, c);
+      } else {
+        serialize_link_of_type<OT::HBUINT16> (link, head, c);
+      }
+      return;
+    case 3:
+      serialize_link_of_type<OT::HBUINT24> (link, head, c);
+      return;
+    default:
+      // Unexpected link width.
+      assert (0);
+  }
+}
+
+/*
+ * serialize graph into the provided serialization buffer.
+ */
+inline hb_blob_t* serialize (const graph_t& graph)
+{
+  hb_vector_t<char> buffer;
+  size_t size = graph.total_size_in_bytes ();
+  if (!buffer.alloc (size)) {
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "Unable to allocate output buffer.");
+    return nullptr;
+  }
+  hb_serialize_context_t c((void *) buffer, size);
+
+  c.start_serialize<void> ();
+  const auto& vertices = graph.vertices_;
+  for (unsigned i = 0; i < vertices.length; i++) {
+    c.push ();
+
+    size_t size = vertices[i].obj.tail - vertices[i].obj.head;
+    char* start = c.allocate_size <char> (size);
+    if (!start) {
+      DEBUG_MSG (SUBSET_REPACK, nullptr, "Buffer out of space.");
+      return nullptr;
+    }
+
+    hb_memcpy (start, vertices[i].obj.head, size);
+
+    // Only real links needs to be serialized.
+    for (const auto& link : vertices[i].obj.real_links)
+      serialize_link (link, start, &c);
+
+    // All duplications are already encoded in the graph, so don't
+    // enable sharing during packing.
+    c.pop_pack (false);
+  }
+  c.end_serialize ();
+
+  if (c.in_error ()) {
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "Error during serialization. Err flag: %d",
+               c.errors);
+    return nullptr;
+  }
+
+  return c.copy_blob ();
+}
+
+} // namespace graph
+
+#endif // GRAPH_SERIALIZE_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh b/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh
new file mode 100644
index 0000000000..61fd7c2d2f
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh
@@ -0,0 +1,69 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef GRAPH_SPLIT_HELPERS_HH
+#define GRAPH_SPLIT_HELPERS_HH
+
+namespace graph {
+
+template<typename Context>
+HB_INTERNAL
+hb_vector_t<unsigned> actuate_subtable_split (Context& split_context,
+                                              const hb_vector_t<unsigned>& split_points)
+{
+  hb_vector_t<unsigned> new_objects;
+  if (!split_points)
+    return new_objects;
+
+  for (unsigned i = 0; i < split_points.length; i++)
+  {
+    unsigned start = split_points[i];
+    unsigned end = (i < split_points.length - 1)
+                   ? split_points[i + 1]
+                   : split_context.original_count ();
+    unsigned id = split_context.clone_range (start, end);
+
+    if (id == (unsigned) -1)
+    {
+      new_objects.reset ();
+      new_objects.allocated = -1; // mark error
+      return new_objects;
+    }
+    new_objects.push (id);
+  }
+
+  if (!split_context.shrink (split_points[0]))
+  {
+    new_objects.reset ();
+    new_objects.allocated = -1; // mark error
+  }
+
+  return new_objects;
+}
+
+}
+
+#endif  // GRAPH_SPLIT_HELPERS_HH
diff --git a/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc b/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc
new file mode 100644
index 0000000000..55854ff5c2
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc
@@ -0,0 +1,119 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "gsubgpos-context.hh"
+#include "classdef-graph.hh"
+
+typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> gid_and_class_t;
+typedef hb_vector_t<gid_and_class_t> gid_and_class_list_t;
+
+
+static bool incremental_size_is (const gid_and_class_list_t& list, unsigned klass,
+                                 unsigned cov_expected, unsigned class_def_expected)
+{
+  graph::class_def_size_estimator_t estimator (list.iter ());
+
+  unsigned result = estimator.incremental_coverage_size (klass);
+  if (result != cov_expected)
+  {
+    printf ("FAIL: coverage expected size %u but was %u\n", cov_expected, result);
+    return false;
+  }
+
+  result = estimator.incremental_class_def_size (klass);
+  if (result != class_def_expected)
+  {
+    printf ("FAIL: class def expected size %u but was %u\n", class_def_expected, result);
+    return false;
+  }
+
+  return true;
+}
+
+static void test_class_and_coverage_size_estimates ()
+{
+  gid_and_class_list_t empty = {
+  };
+  assert (incremental_size_is (empty, 0, 0, 0));
+  assert (incremental_size_is (empty, 1, 0, 0));
+
+  gid_and_class_list_t class_zero = {
+    {5, 0},
+  };
+  assert (incremental_size_is (class_zero, 0, 2, 0));
+
+  gid_and_class_list_t consecutive = {
+    {4, 0},
+    {5, 0},
+    {6, 1},
+    {7, 1},
+    {8, 2},
+    {9, 2},
+    {10, 2},
+    {11, 2},
+  };
+  assert (incremental_size_is (consecutive, 0, 4, 0));
+  assert (incremental_size_is (consecutive, 1, 4, 4));
+  assert (incremental_size_is (consecutive, 2, 8, 6));
+
+  gid_and_class_list_t non_consecutive = {
+    {4, 0},
+    {5, 0},
+
+    {6, 1},
+    {7, 1},
+
+    {9, 2},
+    {10, 2},
+    {11, 2},
+    {12, 2},
+  };
+  assert (incremental_size_is (non_consecutive, 0, 4, 0));
+  assert (incremental_size_is (non_consecutive, 1, 4, 6));
+  assert (incremental_size_is (non_consecutive, 2, 8, 6));
+
+  gid_and_class_list_t multiple_ranges = {
+    {4, 0},
+    {5, 0},
+
+    {6, 1},
+    {7, 1},
+
+    {9, 1},
+
+    {11, 1},
+    {12, 1},
+    {13, 1},
+  };
+  assert (incremental_size_is (multiple_ranges, 0, 4, 0));
+  assert (incremental_size_is (multiple_ranges, 1, 2 * 6, 3 * 6));
+}
+
+int
+main (int argc, char **argv)
+{
+  test_class_and_coverage_size_estimates ();
+}
diff --git a/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc b/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc
new file mode 100644
index 0000000000..a43485e6fb
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc
@@ -0,0 +1,57 @@
+#include "graph/gsubgpos-context.cc"
+#include "hb-aat-layout.cc"
+#include "hb-aat-map.cc"
+#include "hb-blob.cc"
+#include "hb-buffer-serialize.cc"
+#include "hb-buffer-verify.cc"
+#include "hb-buffer.cc"
+#include "hb-common.cc"
+#include "hb-draw.cc"
+#include "hb-face.cc"
+#include "hb-fallback-shape.cc"
+#include "hb-font.cc"
+#include "hb-map.cc"
+#include "hb-number.cc"
+#include "hb-ot-cff1-table.cc"
+#include "hb-ot-cff2-table.cc"
+#include "hb-ot-color.cc"
+#include "hb-ot-face.cc"
+#include "hb-ot-font.cc"
+#include "hb-ot-layout.cc"
+#include "hb-ot-map.cc"
+#include "hb-ot-math.cc"
+#include "hb-ot-meta.cc"
+#include "hb-ot-metrics.cc"
+#include "hb-ot-name.cc"
+#include "hb-ot-shape-fallback.cc"
+#include "hb-ot-shape-normalize.cc"
+#include "hb-ot-shape.cc"
+#include "hb-ot-shaper-arabic.cc"
+#include "hb-ot-shaper-default.cc"
+#include "hb-ot-shaper-hangul.cc"
+#include "hb-ot-shaper-hebrew.cc"
+#include "hb-ot-shaper-indic-table.cc"
+#include "hb-ot-shaper-indic.cc"
+#include "hb-ot-shaper-khmer.cc"
+#include "hb-ot-shaper-myanmar.cc"
+#include "hb-ot-shaper-syllabic.cc"
+#include "hb-ot-shaper-thai.cc"
+#include "hb-ot-shaper-use.cc"
+#include "hb-ot-shaper-vowel-constraints.cc"
+#include "hb-ot-tag.cc"
+#include "hb-ot-var.cc"
+#include "hb-set.cc"
+#include "hb-shape-plan.cc"
+#include "hb-shape.cc"
+#include "hb-shaper.cc"
+#include "hb-static.cc"
+#include "hb-style.cc"
+#include "hb-subset-cff-common.cc"
+#include "hb-subset-cff1.cc"
+#include "hb-subset-cff2.cc"
+#include "hb-subset-input.cc"
+#include "hb-subset-plan.cc"
+#include "hb-subset-repacker.cc"
+#include "hb-subset.cc"
+#include "hb-ucd.cc"
+#include "hb-unicode.cc"
diff --git a/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc b/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc
index b6a5957c42..fe4e21db07 100644
--- a/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc
+++ b/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc
@@ -5,10 +5,16 @@
 #include "hb-buffer-verify.cc"
 #include "hb-buffer.cc"
 #include "hb-common.cc"
+#include "hb-coretext.cc"
+#include "hb-directwrite.cc"
 #include "hb-draw.cc"
 #include "hb-face.cc"
 #include "hb-fallback-shape.cc"
 #include "hb-font.cc"
+#include "hb-ft.cc"
+#include "hb-gdi.cc"
+#include "hb-glib.cc"
+#include "hb-graphite2.cc"
 #include "hb-map.cc"
 #include "hb-number.cc"
 #include "hb-ot-cff1-table.cc"
@@ -22,21 +28,21 @@
 #include "hb-ot-meta.cc"
 #include "hb-ot-metrics.cc"
 #include "hb-ot-name.cc"
-#include "hb-ot-shape-complex-arabic.cc"
-#include "hb-ot-shape-complex-default.cc"
-#include "hb-ot-shape-complex-hangul.cc"
-#include "hb-ot-shape-complex-hebrew.cc"
-#include "hb-ot-shape-complex-indic-table.cc"
-#include "hb-ot-shape-complex-indic.cc"
-#include "hb-ot-shape-complex-khmer.cc"
-#include "hb-ot-shape-complex-myanmar.cc"
-#include "hb-ot-shape-complex-syllabic.cc"
-#include "hb-ot-shape-complex-thai.cc"
-#include "hb-ot-shape-complex-use.cc"
-#include "hb-ot-shape-complex-vowel-constraints.cc"
 #include "hb-ot-shape-fallback.cc"
 #include "hb-ot-shape-normalize.cc"
 #include "hb-ot-shape.cc"
+#include "hb-ot-shaper-arabic.cc"
+#include "hb-ot-shaper-default.cc"
+#include "hb-ot-shaper-hangul.cc"
+#include "hb-ot-shaper-hebrew.cc"
+#include "hb-ot-shaper-indic-table.cc"
+#include "hb-ot-shaper-indic.cc"
+#include "hb-ot-shaper-khmer.cc"
+#include "hb-ot-shaper-myanmar.cc"
+#include "hb-ot-shaper-syllabic.cc"
+#include "hb-ot-shaper-thai.cc"
+#include "hb-ot-shaper-use.cc"
+#include "hb-ot-shaper-vowel-constraints.cc"
 #include "hb-ot-tag.cc"
 #include "hb-ot-var.cc"
 #include "hb-set.cc"
@@ -47,10 +53,4 @@
 #include "hb-style.cc"
 #include "hb-ucd.cc"
 #include "hb-unicode.cc"
-#include "hb-glib.cc"
-#include "hb-ft.cc"
-#include "hb-graphite2.cc"
 #include "hb-uniscribe.cc"
-#include "hb-gdi.cc"
-#include "hb-directwrite.cc"
-#include "hb-coretext.cc"
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh
index b52844e75d..bf12d2e699 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh
@@ -42,7 +42,7 @@ struct BaselineTableFormat0Part
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -78,7 +78,7 @@ struct BaselineTableFormat2Part
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh
index 1db0f1df92..6cbed82692 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh
@@ -415,18 +415,7 @@ struct Lookup
   public:
   DEFINE_SIZE_UNION (2, format);
 };
-/* Lookup 0 has unbounded size (dependant on num_glyphs).  So we need to defined
- * special NULL objects for Lookup<> objects, but since it's template our macros
- * don't work.  So we have to hand-code them here.  UGLY. */
-} /* Close namespace. */
-/* Ugly hand-coded null objects for template Lookup<> :(. */
-extern HB_INTERNAL const unsigned char _hb_Null_AAT_Lookup[2];
-template <typename T>
-struct Null<AAT::Lookup<T>> {
-  static AAT::Lookup<T> const & get_null ()
-  { return *reinterpret_cast<const AAT::Lookup<T> *> (_hb_Null_AAT_Lookup); }
-};
-namespace AAT {
+DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1 (AAT, Lookup, 2);
 
 enum { DELETED_GLYPH = 0xFFFF };
 
@@ -681,6 +670,13 @@ struct ObsoleteTypes
 				     const void *base,
 				     const T *array)
   {
+    /* https://github.com/harfbuzz/harfbuzz/issues/3483 */
+    /* If offset is less than base, return an offset that would
+     * result in an address half a 32bit address-space away,
+     * to make sure sanitize fails even on 32bit builds. */
+    if (unlikely (offset < unsigned ((const char *) array - (const char *) base)))
+      return INT_MAX / T::static_size;
+
     /* https://github.com/harfbuzz/harfbuzz/issues/2816 */
     return (offset - unsigned ((const char *) array - (const char *) base)) / T::static_size;
   }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh
index 573f0cf9f6..815a1fd2aa 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh
@@ -62,7 +62,7 @@ struct SettingName
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh
index 0bf9bd2912..8fd3990f88 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh
@@ -48,7 +48,7 @@ struct ActionSubrecordHeader
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   HBUINT16	actionClass;	/* The JustClass value associated with this
@@ -65,14 +65,14 @@ struct DecompositionAction
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   ActionSubrecordHeader
 		header;
-  HBFixed	lowerLimit;	/* If the distance factor is less than this value,
+  F16DOT16	lowerLimit;	/* If the distance factor is less than this value,
 				 * then the ligature is decomposed. */
-  HBFixed	upperLimit;	/* If the distance factor is greater than this value,
+  F16DOT16	upperLimit;	/* If the distance factor is greater than this value,
 				 * then the ligature is decomposed. */
   HBUINT16	order;		/* Numerical order in which this ligature will
 				 * be decomposed; you may want infrequent ligatures
@@ -112,13 +112,13 @@ struct ConditionalAddGlyphAction
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
   ActionSubrecordHeader
 		header;
-  HBFixed	substThreshold; /* Distance growth factor (in ems) at which
+  F16DOT16	substThreshold; /* Distance growth factor (in ems) at which
 				 * this glyph is replaced and the growth factor
 				 * recalculated. */
   HBGlyphID16	addGlyph;	/* Glyph to be added as kashida. If this value is
@@ -137,7 +137,7 @@ struct DuctileGlyphAction
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -146,13 +146,13 @@ struct DuctileGlyphAction
   HBUINT32	variationAxis;	/* The 4-byte tag identifying the ductile axis.
 				 * This would normally be 0x64756374 ('duct'),
 				 * but you may use any axis the font contains. */
-  HBFixed	minimumLimit;	/* The lowest value for the ductility axis that
+  F16DOT16	minimumLimit;	/* The lowest value for the ductility axis that
 				 * still yields an acceptable appearance. Normally
 				 * this will be 1.0. */
-  HBFixed	noStretchValue; /* This is the default value that corresponds to
+  F16DOT16	noStretchValue; /* This is the default value that corresponds to
 				 * no change in appearance. Normally, this will
 				 * be 1.0. */
-  HBFixed	maximumLimit;	/* The highest value for the ductility axis that
+  F16DOT16	maximumLimit;	/* The highest value for the ductility axis that
 				 * still yields an acceptable appearance. */
   public:
   DEFINE_SIZE_STATIC (22);
@@ -163,7 +163,7 @@ struct RepeatedAddGlyphAction
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -271,14 +271,14 @@ struct JustWidthDeltaEntry
   };
 
   protected:
-  HBFixed	beforeGrowLimit;/* The ratio by which the advance width of the
+  F16DOT16	beforeGrowLimit;/* The ratio by which the advance width of the
 				 * glyph is permitted to grow on the left or top side. */
-  HBFixed	beforeShrinkLimit;
+  F16DOT16	beforeShrinkLimit;
 				/* The ratio by which the advance width of the
 				 * glyph is permitted to shrink on the left or top side. */
-  HBFixed	afterGrowLimit;	/* The ratio by which the advance width of the glyph
+  F16DOT16	afterGrowLimit;	/* The ratio by which the advance width of the glyph
 				 * is permitted to shrink on the left or top side. */
-  HBFixed	afterShrinkLimit;
+  F16DOT16	afterShrinkLimit;
 				/* The ratio by which the advance width of the glyph
 				 * is at most permitted to shrink on the right or
 				 * bottom side. */
@@ -294,7 +294,7 @@ struct WidthDeltaPair
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh
index 0354b47d5a..995492cd5a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh
@@ -287,7 +287,7 @@ struct KerxSubTableFormat1
 	       * in the 'kern' table example. */
 	      if (v == -0x8000)
 	      {
-		o.attach_type() = ATTACH_TYPE_NONE;
+		o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_NONE;
 		o.attach_chain() = 0;
 		o.y_offset = 0;
 	      }
@@ -310,7 +310,7 @@ struct KerxSubTableFormat1
 	      /* CoreText doesn't do crossStream kerning in vertical.  We do. */
 	      if (v == -0x8000)
 	      {
-		o.attach_type() = ATTACH_TYPE_NONE;
+		o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_NONE;
 		o.attach_chain() = 0;
 		o.x_offset = 0;
 	      }
@@ -567,7 +567,7 @@ struct KerxSubTableFormat4
 	  }
 	  break;
 	}
-	o.attach_type() = ATTACH_TYPE_MARK;
+	o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_MARK;
 	o.attach_chain() = (int) mark - (int) buffer->idx;
 	buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
       }
@@ -751,7 +751,7 @@ struct KerxSubTableHeader
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   public:
@@ -901,7 +901,7 @@ struct KerxTable
 	unsigned int count = c->buffer->len;
 	for (unsigned int i = 0; i < count; i++)
 	{
-	  pos[i].attach_type() = ATTACH_TYPE_CURSIVE;
+	  pos[i].attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_CURSIVE;
 	  pos[i].attach_chain() = HB_DIRECTION_IS_FORWARD (c->buffer->props.direction) ? -1 : +1;
 	  /* We intentionally don't set HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT,
 	   * since there needs to be a non-zero attachment for post-positioning to
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh
index b77c1f4d44..8b9190d0be 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh
@@ -123,7 +123,7 @@ struct RearrangementSubtable
 	bool reverse_l = 3 == (m >> 4);
 	bool reverse_r = 3 == (m & 0x0F);
 
-	if (end - start >= l + r)
+	if (end - start >= l + r && end-start <= HB_MAX_CONTEXT_LENGTH)
 	{
 	  buffer->merge_clusters (start, hb_min (buffer->idx + 1, buffer->len));
 	  buffer->merge_clusters (start, end);
@@ -131,14 +131,14 @@ struct RearrangementSubtable
 	  hb_glyph_info_t *info = buffer->info;
 	  hb_glyph_info_t buf[4];
 
-	  memcpy (buf, info + start, l * sizeof (buf[0]));
-	  memcpy (buf + 2, info + end - r, r * sizeof (buf[0]));
+	  hb_memcpy (buf, info + start, l * sizeof (buf[0]));
+	  hb_memcpy (buf + 2, info + end - r, r * sizeof (buf[0]));
 
 	  if (l != r)
 	    memmove (info + start + r, info + start + l, (end - start - l - r) * sizeof (buf[0]));
 
-	  memcpy (info + start, buf + 2, r * sizeof (buf[0]));
-	  memcpy (info + end - l, buf, l * sizeof (buf[0]));
+	  hb_memcpy (info + start, buf + 2, r * sizeof (buf[0]));
+	  hb_memcpy (info + end - l, buf, l * sizeof (buf[0]));
 	  if (reverse_l)
 	  {
 	    buf[0] = info[end - 1];
@@ -980,6 +980,15 @@ struct Chain
 	  setting = HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS;
 	  goto retry;
 	}
+#ifndef HB_NO_AAT
+	else if (type == HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE && setting &&
+		 /* TODO: Rudimentary language matching. */
+		 hb_language_matches (map->face->table.ltag->get_language (setting - 1), map->props.language))
+	{
+	  flags &= feature.disableFlags;
+	  flags |= feature.enableFlags;
+	}
+#endif
       }
     }
     return flags;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh
index b1a1512821..51b650fc33 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh
@@ -42,7 +42,7 @@ struct OpticalBounds
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   FWORD		leftSide;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh
index 68bcb2396f..2ba9355b06 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh
@@ -62,7 +62,7 @@ struct TrackTableEntry
   }
 
   protected:
-  HBFixed	track;		/* Track value for this record. */
+  F16DOT16	track;		/* Track value for this record. */
   NameID	trackNameID;	/* The 'name' table index for this track.
 				 * (a short word or phrase like "loose"
 				 * or "very tight") */
@@ -82,7 +82,7 @@ struct TrackData
 			const void *base) const
   {
     unsigned int sizes = nSizes;
-    hb_array_t<const HBFixed> size_table ((base+sizeTable).arrayZ, sizes);
+    hb_array_t<const F16DOT16> size_table ((base+sizeTable).arrayZ, sizes);
 
     float s0 = size_table[idx].to_float ();
     float s1 = size_table[idx + 1].to_float ();
@@ -120,7 +120,7 @@ struct TrackData
     if (!sizes) return 0.;
     if (sizes == 1) return trackTableEntry->get_value (base, 0, sizes);
 
-    hb_array_t<const HBFixed> size_table ((base+sizeTable).arrayZ, sizes);
+    hb_array_t<const F16DOT16> size_table ((base+sizeTable).arrayZ, sizes);
     unsigned int size_index;
     for (size_index = 0; size_index < sizes - 1; size_index++)
       if (size_table[size_index].to_float () >= ptem)
@@ -141,7 +141,7 @@ struct TrackData
   protected:
   HBUINT16	nTracks;	/* Number of separate tracks included in this table. */
   HBUINT16	nSizes;		/* Number of point sizes included in this table. */
-  NNOffset32To<UnsizedArrayOf<HBFixed>>
+  NNOffset32To<UnsizedArrayOf<F16DOT16>>
 		sizeTable;	/* Offset from start of the tracking table to
 				 * Array[nSizes] of size values.. */
   UnsizedArrayOf<TrackTableEntry>
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc
index caff204d67..78427b0d5a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc
@@ -131,6 +131,7 @@ static const hb_aat_feature_mapping_t feature_mappings[] =
   {HB_TAG ('p','n','u','m'), HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING,          HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS,           (hb_aat_layout_feature_selector_t) 4},
   {HB_TAG ('p','w','i','d'), HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING,            HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT,              (hb_aat_layout_feature_selector_t) 7},
   {HB_TAG ('q','w','i','d'), HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING,            HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT,             (hb_aat_layout_feature_selector_t) 7},
+  {HB_TAG ('r','l','i','g'), HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES,               HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON,          HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF},
   {HB_TAG ('r','u','b','y'), HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA,               HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON,                   HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF},
   {HB_TAG ('s','i','n','f'), HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION,       HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS,           HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION},
   {HB_TAG ('s','m','c','p'), HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE,              HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS,          HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE},
@@ -229,7 +230,7 @@ hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper,
  *
  * <note>Note: does not examine the `GSUB` table.</note>
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.3.0
  */
@@ -288,7 +289,7 @@ is_deleted_glyph (const hb_glyph_info_t *info)
 void
 hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
 {
-  hb_ot_layout_delete_glyphs_inplace (buffer, is_deleted_glyph);
+  buffer->delete_glyphs_inplace (is_deleted_glyph);
 }
 
 /**
@@ -300,7 +301,7 @@ hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
  *
  * <note>Note: does not examine the `GPOS` table.</note>
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.3.0
  */
@@ -333,7 +334,7 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
  * Tests whether the specified face includes any tracking information
  * in the `trak` table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.3.0
  */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh
index 5a0fa70544..d0ee7d672c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh
@@ -38,7 +38,7 @@ struct hb_aat_map_t
 
   void init ()
   {
-    memset (this, 0, sizeof (*this));
+    hb_memset (this, 0, sizeof (*this));
     chain_flags.init ();
   }
   void fini () { chain_flags.fini (); }
@@ -52,8 +52,9 @@ struct hb_aat_map_builder_t
   public:
 
   HB_INTERNAL hb_aat_map_builder_t (hb_face_t *face_,
-				    const hb_segment_properties_t *props_ HB_UNUSED) :
-				      face (face_) {}
+				    const hb_segment_properties_t props_) :
+				      face (face_),
+				      props (props_) {}
 
   HB_INTERNAL void add_feature (hb_tag_t tag, unsigned int value=1);
 
@@ -87,6 +88,7 @@ struct hb_aat_map_builder_t
 
   public:
   hb_face_t *face;
+  hb_segment_properties_t props;
 
   public:
   hb_sorted_vector_t<feature_info_t> features;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-algs.hh b/src/3rdparty/harfbuzz-ng/src/hb-algs.hh
index c40a55cd1f..d85a4afe10 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-algs.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-algs.hh
@@ -59,7 +59,7 @@
 	  static inline constexpr T operator | (T l, T r) { return T ((unsigned) l | (unsigned) r); } \
 	  static inline constexpr T operator & (T l, T r) { return T ((unsigned) l & (unsigned) r); } \
 	  static inline constexpr T operator ^ (T l, T r) { return T ((unsigned) l ^ (unsigned) r); } \
-	  static inline constexpr T operator ~ (T r) { return T (~(unsigned int) r); } \
+	  static inline constexpr unsigned operator ~ (T r) { return (~(unsigned) r); } \
 	  static inline T& operator |= (T &l, T r) { l = l | r; return l; } \
 	  static inline T& operator &= (T& l, T r) { l = l & r; return l; } \
 	  static inline T& operator ^= (T& l, T r) { l = l ^ r; return l; } \
@@ -109,15 +109,16 @@ struct BEInt<Type, 2>
   struct __attribute__((packed)) packed_uint16_t { uint16_t v; };
   constexpr operator Type () const
   {
-#if ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \
+#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
+    ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \
     defined(__BYTE_ORDER) && \
     (__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN)
     /* Spoon-feed the compiler a big-endian integer with alignment 1.
      * https://github.com/harfbuzz/harfbuzz/pull/1398 */
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-    return __builtin_bswap16 (((packed_uint16_t *) this)->v);
+    return __builtin_bswap16 (((packed_uint16_t *) v)->v);
 #else /* __BYTE_ORDER == __BIG_ENDIAN */
-    return ((packed_uint16_t *) this)->v;
+    return ((packed_uint16_t *) v)->v;
 #endif
 #else
     return (v[0] <<  8)
@@ -150,10 +151,27 @@ struct BEInt<Type, 4>
 			        uint8_t ((V >> 16) & 0xFF),
 			        uint8_t ((V >>  8) & 0xFF),
 			        uint8_t ((V      ) & 0xFF)} {}
-  constexpr operator Type () const { return (v[0] << 24)
-					  + (v[1] << 16)
-					  + (v[2] <<  8)
-					  + (v[3]      ); }
+
+  struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
+  constexpr operator Type () const {
+#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
+    ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \
+    defined(__BYTE_ORDER) && \
+    (__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN)
+    /* Spoon-feed the compiler a big-endian integer with alignment 1.
+     * https://github.com/harfbuzz/harfbuzz/pull/1398 */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    return __builtin_bswap32 (((packed_uint32_t *) v)->v);
+#else /* __BYTE_ORDER == __BIG_ENDIAN */
+    return ((packed_uint32_t *) v)->v;
+#endif
+#else
+    return (v[0] << 24)
+	 + (v[1] << 16)
+	 + (v[2] <<  8)
+	 + (v[3]      );
+#endif
+  }
   private: uint8_t v[4];
 };
 
@@ -211,31 +229,15 @@ struct
 }
 HB_FUNCOBJ (hb_bool);
 
-template <typename T>
-static inline
-T hb_coerce (const T v) { return v; }
-template <typename T, typename V,
-	  hb_enable_if (!hb_is_same (hb_decay<T>, hb_decay<V>) && std::is_pointer<V>::value)>
-static inline
-T hb_coerce (const V v) { return *v; }
-
 struct
 {
   private:
 
   template <typename T> constexpr auto
-  impl (const T& v, hb_priority<2>) const HB_RETURN (uint32_t, hb_deref (v).hash ())
+  impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, hb_deref (v).hash ())
 
   template <typename T> constexpr auto
-  impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, std::hash<hb_decay<decltype (hb_deref (v))>>{} (hb_deref (v)))
-
-  template <typename T,
-	    hb_enable_if (std::is_integral<T>::value)> constexpr auto
-  impl (const T& v, hb_priority<0>) const HB_AUTO_RETURN
-  (
-    /* Knuth's multiplicative method: */
-    (uint32_t) v * 2654435761u
-  )
+  impl (const T& v, hb_priority<0>) const HB_RETURN (uint32_t, std::hash<hb_decay<decltype (hb_deref (v))>>{} (hb_deref (v)))
 
   public:
 
@@ -482,6 +484,17 @@ struct
 }
 HB_FUNCOBJ (hb_equal);
 
+struct
+{
+  template <typename T> void
+  operator () (T& a, T& b) const
+  {
+    using std::swap; // allow ADL
+    swap (a, b);
+  }
+}
+HB_FUNCOBJ (hb_swap);
+
 
 template <typename T1, typename T2>
 struct hb_pair_t
@@ -494,7 +507,7 @@ struct hb_pair_t
 	    hb_enable_if (std::is_default_constructible<U1>::value &&
 			  std::is_default_constructible<U2>::value)>
   hb_pair_t () : first (), second () {}
-  hb_pair_t (T1 a, T2 b) : first (a), second (b) {}
+  hb_pair_t (T1 a, T2 b) : first (std::forward<T1> (a)), second (std::forward<T2> (b)) {}
 
   template <typename Q1, typename Q2,
 	    hb_enable_if (hb_is_convertible (T1, Q1) &&
@@ -511,10 +524,28 @@ struct hb_pair_t
   bool operator > (const pair_t& o) const { return first > o.first || (first == o.first && second > o.second); }
   bool operator <= (const pair_t& o) const { return !(*this > o); }
 
+  static int cmp (const void *pa, const void *pb)
+  {
+    pair_t *a = (pair_t *) pa;
+    pair_t *b = (pair_t *) pb;
+
+    if (a->first < b->first) return -1;
+    if (a->first > b->first) return +1;
+    if (a->second < b->second) return -1;
+    if (a->second > b->second) return +1;
+    return 0;
+  }
+
+  friend void swap (hb_pair_t& a, hb_pair_t& b)
+  {
+    hb_swap (a.first, b.first);
+    hb_swap (a.second, b.second);
+  }
+
+
   T1 first;
   T2 second;
 };
-#define hb_pair_t(T1,T2) hb_pair_t<T1, T2>
 template <typename T1, typename T2> static inline hb_pair_t<T1, T2>
 hb_pair (T1&& a, T2&& b) { return hb_pair_t<T1, T2> (a, b); }
 
@@ -540,14 +571,14 @@ struct
 {
   template <typename T, typename T2> constexpr auto
   operator () (T&& a, T2&& b) const HB_AUTO_RETURN
-  (a <= b ? std::forward<T> (a) : std::forward<T2> (b))
+  (a <= b ? a : b)
 }
 HB_FUNCOBJ (hb_min);
 struct
 {
   template <typename T, typename T2> constexpr auto
   operator () (T&& a, T2&& b) const HB_AUTO_RETURN
-  (a >= b ? std::forward<T> (a) : std::forward<T2> (b))
+  (a >= b ? a : b)
 }
 HB_FUNCOBJ (hb_max);
 struct
@@ -558,17 +589,6 @@ struct
 }
 HB_FUNCOBJ (hb_clamp);
 
-struct
-{
-  template <typename T> void
-  operator () (T& a, T& b) const
-  {
-    using std::swap; // allow ADL
-    swap (a, b);
-  }
-}
-HB_FUNCOBJ (hb_swap);
-
 /*
  * Bithacks.
  */
@@ -837,14 +857,14 @@ hb_in_range (T u, T lo, T hi)
   return (T)(u - lo) <= (T)(hi - lo);
 }
 template <typename T> static inline bool
-hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2)
+hb_in_ranges (T u, T lo1, T hi1)
 {
-  return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2);
+  return hb_in_range (u, lo1, hi1);
 }
-template <typename T> static inline bool
-hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
+template <typename T, typename ...Ts> static inline bool
+hb_in_ranges (T u, T lo1, T hi1, Ts... ds)
 {
-  return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2) || hb_in_range (u, lo3, hi3);
+  return hb_in_range<T> (u, lo1, hi1) || hb_in_ranges<T> (u, ds...);
 }
 
 
@@ -852,10 +872,18 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
  * Overflow checking.
  */
 
-/* Consider __builtin_mul_overflow use here also */
 static inline bool
-hb_unsigned_mul_overflows (unsigned int count, unsigned int size)
+hb_unsigned_mul_overflows (unsigned int count, unsigned int size, unsigned *result = nullptr)
 {
+#if (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__)
+  unsigned stack_result;
+  if (!result)
+    result = &stack_result;
+  return __builtin_mul_overflow (count, size, result);
+#endif
+
+  if (result)
+    *result = count * size;
   return (size > 0) && (count >= ((unsigned int) -1) / size);
 }
 
@@ -956,7 +984,7 @@ void hb_qsort(void *base, size_t nel, size_t width,
               [void *arg]);
 */
 
-#define SORT_R_SWAP(a,b,tmp) ((tmp) = (a), (a) = (b), (b) = (tmp))
+#define SORT_R_SWAP(a,b,tmp) ((void) ((tmp) = (a)), (void) ((a) = (b)), (b) = (tmp))
 
 /* swap a and b */
 /* a and b must not be equal! */
@@ -1147,9 +1175,12 @@ hb_qsort (void *base, size_t nel, size_t width,
 }
 
 
-template <typename T, typename T2, typename T3> static inline void
-hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *), T3 *array2)
+template <typename T, typename T2, typename T3 = int> static inline void
+hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *), T3 *array2 = nullptr)
 {
+  static_assert (hb_is_trivially_copy_assignable (T), "");
+  static_assert (hb_is_trivially_copy_assignable (T3), "");
+
   for (unsigned int i = 1; i < len; i++)
   {
     unsigned int j = i;
@@ -1172,12 +1203,6 @@ hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *)
   }
 }
 
-template <typename T> static inline void
-hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *))
-{
-  hb_stable_sort (array, len, compar, (int *) nullptr);
-}
-
 static inline hb_bool_t
 hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *out)
 {
@@ -1305,47 +1330,4 @@ struct
 HB_FUNCOBJ (hb_dec);
 
 
-/* Compiler-assisted vectorization. */
-
-/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))),
- * basically a fixed-size bitset. */
-template <typename elt_t, unsigned int byte_size>
-struct hb_vector_size_t
-{
-  elt_t& operator [] (unsigned int i) { return v[i]; }
-  const elt_t& operator [] (unsigned int i) const { return v[i]; }
-
-  void clear (unsigned char v = 0) { memset (this, v, sizeof (*this)); }
-
-  template <typename Op>
-  hb_vector_size_t process (const Op& op) const
-  {
-    hb_vector_size_t r;
-    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
-      r.v[i] = op (v[i]);
-    return r;
-  }
-  template <typename Op>
-  hb_vector_size_t process (const Op& op, const hb_vector_size_t &o) const
-  {
-    hb_vector_size_t r;
-    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
-      r.v[i] = op (v[i], o.v[i]);
-    return r;
-  }
-  hb_vector_size_t operator | (const hb_vector_size_t &o) const
-  { return process (hb_bitwise_or, o); }
-  hb_vector_size_t operator & (const hb_vector_size_t &o) const
-  { return process (hb_bitwise_and, o); }
-  hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
-  { return process (hb_bitwise_xor, o); }
-  hb_vector_size_t operator ~ () const
-  { return process (hb_bitwise_neg); }
-
-  private:
-  static_assert (0 == byte_size % sizeof (elt_t), "");
-  elt_t v[byte_size / sizeof (elt_t)];
-};
-
-
 #endif /* HB_ALGS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-array.hh b/src/3rdparty/harfbuzz-ng/src/hb-array.hh
index 1d1476d7cd..17562bc336 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-array.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-array.hh
@@ -56,7 +56,6 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
   hb_array_t& operator= (const hb_array_t&) = default;
   hb_array_t& operator= (hb_array_t&&) = default;
 
-  constexpr hb_array_t (std::nullptr_t) : hb_array_t () {}
   constexpr hb_array_t (Type *array_, unsigned int length_) : arrayZ (array_), length (length_) {}
   template <unsigned int length_>
   constexpr hb_array_t (Type (&array_)[length_]) : hb_array_t (array_, length_) {}
@@ -101,10 +100,17 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
   /* Ouch. The operator== compares the contents of the array.  For range-based for loops,
    * it's best if we can just compare arrayZ, though comparing contents is still fast,
    * but also would require that Type has operator==.  As such, we optimize this operator
-   * for range-based for loop and just compare arrayZ.  No need to compare length, as we
-   * assume we're only compared to .end(). */
+   * for range-based for loop and just compare arrayZ and length.
+   *
+   * The above comment is outdated now because we implemented separate begin/end to
+   * objects that were using hb_array_t for range-based loop before. */
   bool operator != (const hb_array_t& o) const
-  { return arrayZ != o.arrayZ; }
+  { return this->arrayZ != o.arrayZ || this->length != o.length; }
+
+  /* Faster range-based for loop without bounds-check. */
+  Type *begin () const { return arrayZ; }
+  Type *end () const { return arrayZ + length; }
+
 
   /* Extra operators.
    */
@@ -114,11 +120,11 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
 
   HB_INTERNAL bool operator == (const hb_array_t &o) const;
 
-  uint32_t hash () const {
+  uint32_t hash () const
+  {
     uint32_t current = 0;
-    for (unsigned int i = 0; i < this->length; i++) {
-      current = current * 31 + hb_hash (this->arrayZ[i]);
-    }
+    for (auto &v : *this)
+      current = current * 31 + hb_hash (v);
     return current;
   }
 
@@ -186,23 +192,18 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
 
   hb_sorted_array_t<Type> qsort (int (*cmp_)(const void*, const void*))
   {
+    //static_assert (hb_enable_if (hb_is_trivially_copy_assignable(Type)), "");
     if (likely (length))
       hb_qsort (arrayZ, length, this->get_item_size (), cmp_);
     return hb_sorted_array_t<Type> (*this);
   }
   hb_sorted_array_t<Type> qsort ()
   {
+    //static_assert (hb_enable_if (hb_is_trivially_copy_assignable(Type)), "");
     if (likely (length))
       hb_qsort (arrayZ, length, this->get_item_size (), Type::cmp);
     return hb_sorted_array_t<Type> (*this);
   }
-  void qsort (unsigned int start, unsigned int end)
-  {
-    end = hb_min (end, length);
-    assert (start <= end);
-    if (likely (start < end))
-      hb_qsort (arrayZ + start, end - start, this->get_item_size (), Type::cmp);
-  }
 
   /*
    * Other methods.
@@ -221,11 +222,8 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
     if (end < start + 2)
       return;
 
-    for (unsigned lhs = start, rhs = end - 1; lhs < rhs; lhs++, rhs--) {
-      Type temp = arrayZ[rhs];
-      arrayZ[rhs] = arrayZ[lhs];
-      arrayZ[lhs] = temp;
-    }
+    for (unsigned lhs = start, rhs = end - 1; lhs < rhs; lhs++, rhs--)
+      hb_swap (arrayZ[rhs], arrayZ[lhs]);
   }
 
   hb_array_t sub_array (unsigned int start_offset = 0, unsigned int *seg_count = nullptr /* IN/OUT */) const
@@ -267,17 +265,31 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
   void fini ()
   { hb_free ((void *) arrayZ); arrayZ = nullptr; length = 0; }
 
-  template <typename hb_serialize_context_t>
+  template <typename hb_serialize_context_t,
+	    typename U = Type,
+	    hb_enable_if (!(sizeof (U) < sizeof (long long) && hb_is_trivially_copy_assignable(hb_decay<Type>)))>
   hb_array_t copy (hb_serialize_context_t *c) const
   {
     TRACE_SERIALIZE (this);
     auto* out = c->start_embed (arrayZ);
-    if (unlikely (!c->extend_size (out, get_size ()))) return_trace (hb_array_t ());
+    if (unlikely (!c->extend_size (out, get_size (), false))) return_trace (hb_array_t ());
     for (unsigned i = 0; i < length; i++)
       out[i] = arrayZ[i]; /* TODO: add version that calls c->copy() */
     return_trace (hb_array_t (out, length));
   }
 
+  template <typename hb_serialize_context_t,
+	    typename U = Type,
+	    hb_enable_if (sizeof (U) < sizeof (long long) && hb_is_trivially_copy_assignable(hb_decay<Type>))>
+  hb_array_t copy (hb_serialize_context_t *c) const
+  {
+    TRACE_SERIALIZE (this);
+    auto* out = c->start_embed (arrayZ);
+    if (unlikely (!c->extend_size (out, get_size (), false))) return_trace (hb_array_t ());
+    hb_memcpy (out, arrayZ, get_size ());
+    return_trace (hb_array_t (out, length));
+  }
+
   template <typename hb_sanitize_context_t>
   bool sanitize (hb_sanitize_context_t *c) const
   { return c->check_array (arrayZ, length); }
@@ -300,8 +312,8 @@ hb_array (T (&array_)[length_])
 
 template <typename Type>
 struct hb_sorted_array_t :
-	hb_iter_t<hb_sorted_array_t<Type>, Type&>,
-	hb_array_t<Type>
+	hb_array_t<Type>,
+	hb_iter_t<hb_sorted_array_t<Type>, Type&>
 {
   typedef hb_iter_t<hb_sorted_array_t, Type&> iter_base_t;
   HB_ITER_USING (iter_base_t);
@@ -314,7 +326,6 @@ struct hb_sorted_array_t :
   hb_sorted_array_t& operator= (const hb_sorted_array_t&) = default;
   hb_sorted_array_t& operator= (hb_sorted_array_t&&) = default;
 
-  constexpr hb_sorted_array_t (std::nullptr_t) : hb_sorted_array_t () {}
   constexpr hb_sorted_array_t (Type *array_, unsigned int length_) : hb_array_t<Type> (array_, length_) {}
   template <unsigned int length_>
   constexpr hb_sorted_array_t (Type (&array_)[length_]) : hb_array_t<Type> (array_) {}
@@ -322,17 +333,24 @@ struct hb_sorted_array_t :
   template <typename U,
 	    hb_enable_if (hb_is_cr_convertible(U, Type))>
   constexpr hb_sorted_array_t (const hb_array_t<U> &o) :
-    hb_iter_t<hb_sorted_array_t, Type&> (),
-    hb_array_t<Type> (o) {}
+    hb_array_t<Type> (o),
+    hb_iter_t<hb_sorted_array_t, Type&> () {}
   template <typename U,
 	    hb_enable_if (hb_is_cr_convertible(U, Type))>
   hb_sorted_array_t& operator = (const hb_array_t<U> &o)
   { hb_array_t<Type> (*this) = o; return *this; }
 
   /* Iterator implementation. */
+
+  /* See comment in hb_array_of::operator != */
   bool operator != (const hb_sorted_array_t& o) const
   { return this->arrayZ != o.arrayZ || this->length != o.length; }
 
+  /* Faster range-based for loop without bounds-check. */
+  Type *begin () const { return this->arrayZ; }
+  Type *end () const { return this->arrayZ + this->length; }
+
+
   hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int *seg_count /* IN/OUT */) const
   { return hb_sorted_array_t (((const hb_array_t<Type> *) (this))->sub_array (start_offset, seg_count)); }
   hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int seg_count) const
@@ -384,15 +402,16 @@ struct hb_sorted_array_t :
     }
     return false;
   }
-  template <typename T>
-  bool bsearch_impl (const T &x, unsigned *pos) const
+  template <typename T, typename ...Ts>
+  bool bsearch_impl (const T &x, unsigned *pos, Ts... ds) const
   {
     return hb_bsearch_impl (pos,
 			    x,
 			    this->arrayZ,
 			    this->length,
 			    sizeof (Type),
-			    _hb_cmp_method<T, Type>);
+			    _hb_cmp_method<T, Type, Ts...>,
+			    std::forward<Ts> (ds)...);
   }
 };
 template <typename T> inline hb_sorted_array_t<T>
@@ -403,7 +422,7 @@ hb_sorted_array (T (&array_)[length_])
 { return hb_sorted_array_t<T> (array_); }
 
 template <typename T>
-bool hb_array_t<T>::operator == (const hb_array_t<T> &o) const
+inline bool hb_array_t<T>::operator == (const hb_array_t<T> &o) const
 {
   if (o.length != this->length) return false;
   for (unsigned int i = 0; i < this->length; i++) {
@@ -411,22 +430,55 @@ bool hb_array_t<T>::operator == (const hb_array_t<T> &o) const
   }
   return true;
 }
+template <>
+inline bool hb_array_t<const char>::operator == (const hb_array_t<const char> &o) const
+{
+  if (o.length != this->length) return false;
+  return 0 == hb_memcmp (arrayZ, o.arrayZ, length);
+}
+template <>
+inline bool hb_array_t<const unsigned char>::operator == (const hb_array_t<const unsigned char> &o) const
+{
+  if (o.length != this->length) return false;
+  return 0 == hb_memcmp (arrayZ, o.arrayZ, length);
+}
+
 
-/* TODO Specialize operator== for hb_bytes_t and hb_ubytes_t. */
+/* Specialize hash() for byte arrays. */
 
 template <>
-inline uint32_t hb_array_t<const char>::hash () const {
+inline uint32_t hb_array_t<const char>::hash () const
+{
   uint32_t current = 0;
-  for (unsigned int i = 0; i < this->length; i++)
-    current = current * 31 + (uint32_t) (this->arrayZ[i] * 2654435761u);
+  unsigned i = 0;
+
+#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
+    ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__))
+  struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
+  for (; i + 4 <= this->length; i += 4)
+    current = current * 31 + hb_hash ((uint32_t) ((packed_uint32_t *) &this->arrayZ[i])->v);
+#endif
+
+  for (; i < this->length; i++)
+    current = current * 31 + hb_hash (this->arrayZ[i]);
   return current;
 }
 
 template <>
-inline uint32_t hb_array_t<const unsigned char>::hash () const {
+inline uint32_t hb_array_t<const unsigned char>::hash () const
+{
   uint32_t current = 0;
-  for (unsigned int i = 0; i < this->length; i++)
-    current = current * 31 + (uint32_t) (this->arrayZ[i] * 2654435761u);
+  unsigned i = 0;
+
+#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
+    ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__))
+  struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
+  for (; i + 4 <= this->length; i += 4)
+    current = current * 31 + hb_hash ((uint32_t) ((packed_uint32_t *) &this->arrayZ[i])->v);
+#endif
+
+  for (; i < this->length; i++)
+    current = current * 31 + hb_hash (this->arrayZ[i]);
   return current;
 }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh
index e640d1b586..14c6fb3264 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh
@@ -111,6 +111,19 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N)
 #endif
 
 
+#ifndef _hb_compiler_memory_r_barrier
+/* This we always use std::atomic for; and should never be disabled...
+ * except that MSVC gives me an internal compiler error on it. */
+#if !defined(_MSC_VER)
+#include <atomic>
+#define _hb_compiler_memory_r_barrier() std::atomic_signal_fence (std::memory_order_acquire)
+#else
+#define _hb_compiler_memory_r_barrier() do {} while (0)
+#endif
+#endif
+
+
+
 #ifndef _hb_memory_r_barrier
 #define _hb_memory_r_barrier()			_hb_memory_barrier ()
 #endif
@@ -146,10 +159,13 @@ struct hb_atomic_int_t
   hb_atomic_int_t () = default;
   constexpr hb_atomic_int_t (int v) : v (v) {}
 
+  hb_atomic_int_t& operator = (int v_) { set_relaxed (v_); return *this; }
+  operator int () const { return get_relaxed (); }
+
   void set_relaxed (int v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
-  void set (int v_) { hb_atomic_int_impl_set (&v, v_); }
+  void set_release (int v_) { hb_atomic_int_impl_set (&v, v_); }
   int get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
-  int get () const { return hb_atomic_int_impl_get (&v); }
+  int get_acquire () const { return hb_atomic_int_impl_get (&v); }
   int inc () { return hb_atomic_int_impl_add (&v,  1); }
   int dec () { return hb_atomic_int_impl_add (&v, -1); }
 
@@ -167,11 +183,11 @@ struct hb_atomic_ptr_t
   void init (T* v_ = nullptr) { set_relaxed (v_); }
   void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); }
   T *get_relaxed () const { return (T *) hb_atomic_ptr_impl_get_relaxed (&v); }
-  T *get () const { return (T *) hb_atomic_ptr_impl_get ((void **) &v); }
+  T *get_acquire () const { return (T *) hb_atomic_ptr_impl_get ((void **) &v); }
   bool cmpexch (const T *old, T *new_) const { return hb_atomic_ptr_impl_cmpexch ((void **) &v, (void *) old, (void *) new_); }
 
-  T * operator -> () const                    { return get (); }
-  template <typename C> operator C * () const { return get (); }
+  T * operator -> () const                    { return get_acquire (); }
+  template <typename C> operator C * () const { return get_acquire (); }
 
   T *v = nullptr;
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh b/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh
index a9e1278de7..8e8c988716 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh
@@ -39,6 +39,12 @@ struct hb_bimap_t
     back_map.reset ();
   }
 
+  void resize (unsigned pop)
+  {
+    forw_map.resize (pop);
+    back_map.resize (pop);
+  }
+
   bool in_error () const { return forw_map.in_error () || back_map.in_error (); }
 
   void set (hb_codepoint_t lhs, hb_codepoint_t rhs)
@@ -48,17 +54,18 @@ struct hb_bimap_t
     if (unlikely (rhs == HB_MAP_VALUE_INVALID)) { del (lhs); return; }
 
     forw_map.set (lhs, rhs);
-    if (in_error ()) return;
+    if (unlikely (in_error ())) return;
 
     back_map.set (rhs, lhs);
-    if (in_error ()) forw_map.del (lhs);
+    if (unlikely (in_error ())) forw_map.del (lhs);
   }
 
   hb_codepoint_t get (hb_codepoint_t lhs) const { return forw_map.get (lhs); }
   hb_codepoint_t backward (hb_codepoint_t rhs) const { return back_map.get (rhs); }
 
   hb_codepoint_t operator [] (hb_codepoint_t lhs) const { return get (lhs); }
-  bool has (hb_codepoint_t lhs, hb_codepoint_t *vp = nullptr) const { return forw_map.has (lhs, vp); }
+  bool has (hb_codepoint_t lhs) const { return forw_map.has (lhs); }
+
 
   void del (hb_codepoint_t lhs)
   {
@@ -72,7 +79,7 @@ struct hb_bimap_t
     back_map.clear ();
   }
 
-  bool is_empty () const { return get_population () == 0; }
+  bool is_empty () const { return forw_map.is_empty (); }
 
   unsigned int get_population () const { return forw_map.get_population (); }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh
index 9759836654..11987054f8 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh
@@ -30,6 +30,53 @@
 
 #include "hb.hh"
 
+
+/* Compiler-assisted vectorization. */
+
+/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))),
+ * basically a fixed-size bitset. */
+template <typename elt_t, unsigned int byte_size>
+struct hb_vector_size_t
+{
+  elt_t& operator [] (unsigned int i) { return v[i]; }
+  const elt_t& operator [] (unsigned int i) const { return v[i]; }
+
+  void clear (unsigned char v = 0) { hb_memset (this, v, sizeof (*this)); }
+
+  template <typename Op>
+  hb_vector_size_t process (const Op& op) const
+  {
+    hb_vector_size_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      r.v[i] = op (v[i]);
+    return r;
+  }
+  template <typename Op>
+  hb_vector_size_t process (const Op& op, const hb_vector_size_t &o) const
+  {
+    hb_vector_size_t r;
+    for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++)
+      r.v[i] = op (v[i], o.v[i]);
+    return r;
+  }
+  hb_vector_size_t operator | (const hb_vector_size_t &o) const
+  { return process (hb_bitwise_or, o); }
+  hb_vector_size_t operator & (const hb_vector_size_t &o) const
+  { return process (hb_bitwise_and, o); }
+  hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
+  { return process (hb_bitwise_xor, o); }
+  hb_vector_size_t operator ~ () const
+  { return process (hb_bitwise_neg); }
+
+  hb_array_t<const elt_t> iter () const
+  { return hb_array (v); }
+
+  private:
+  static_assert (0 == byte_size % sizeof (elt_t), "");
+  elt_t v[byte_size / sizeof (elt_t)];
+};
+
+
 struct hb_bit_page_t
 {
   void init0 () { v.clear (); }
@@ -40,15 +87,22 @@ struct hb_bit_page_t
 
   bool is_empty () const
   {
-    for (unsigned int i = 0; i < len (); i++)
-      if (v[i])
-	return false;
-    return true;
+    return
+    + hb_iter (v)
+    | hb_none
+    ;
+  }
+  uint32_t hash () const
+  {
+    return
+    + hb_iter (v)
+    | hb_reduce ([] (uint32_t h, const elt_t &_) { return h * 31 + hb_hash (_); }, (uint32_t) 0u)
+    ;
   }
 
   void add (hb_codepoint_t g) { elt (g) |= mask (g); }
   void del (hb_codepoint_t g) { elt (g) &= ~mask (g); }
-  void set (hb_codepoint_t g, bool v) { if (v) add (g); else del (g); }
+  void set (hb_codepoint_t g, bool value) { if (value) add (g); else del (g); }
   bool get (hb_codepoint_t g) const { return elt (g) & mask (g); }
 
   void add_range (hb_codepoint_t a, hb_codepoint_t b)
@@ -62,7 +116,7 @@ struct hb_bit_page_t
       *la |= ~(mask (a) - 1);
       la++;
 
-      memset (la, 0xff, (char *) lb - (char *) la);
+      hb_memset (la, 0xff, (char *) lb - (char *) la);
 
       *lb |= ((mask (b) << 1) - 1);
     }
@@ -78,7 +132,7 @@ struct hb_bit_page_t
       *la &= mask (a) - 1;
       la++;
 
-      memset (la, 0, (char *) lb - (char *) la);
+      hb_memset (la, 0, (char *) lb - (char *) la);
 
       *lb &= ~((mask (b) << 1) - 1);
     }
@@ -94,13 +148,13 @@ struct hb_bit_page_t
 		      hb_codepoint_t *p,
 		      unsigned int    size) const
   {
-    unsigned int start_v = start_value >> ELT_BITS_LOG_2;
+    unsigned int start_v = start_value / ELT_BITS;
     unsigned int start_bit = start_value & ELT_MASK;
     unsigned int count = 0;
     for (unsigned i = start_v; i < len () && count < size; i++)
     {
       elt_t bits = v[i];
-      uint32_t v_base = base | (i << ELT_BITS_LOG_2);
+      uint32_t v_base = base | (i * ELT_BITS);
       for (unsigned int j = start_bit; j < ELT_BITS && count < size; j++)
       {
 	if ((elt_t(1) << j) & bits) {
@@ -125,13 +179,13 @@ struct hb_bit_page_t
 			       unsigned int    size,
 			       hb_codepoint_t *next_value) const
   {
-    unsigned int start_v = start_value >> ELT_BITS_LOG_2;
+    unsigned int start_v = start_value / ELT_BITS;
     unsigned int start_bit = start_value & ELT_MASK;
     unsigned int count = 0;
     for (unsigned i = start_v; i < len () && count < size; i++)
     {
       elt_t bits = v[i];
-      uint32_t v_offset = i << ELT_BITS_LOG_2;
+      uint32_t v_offset = i * ELT_BITS;
       for (unsigned int j = start_bit; j < ELT_BITS && count < size; j++)
       {
 	if ((elt_t(1) << j) & bits)
@@ -154,7 +208,10 @@ struct hb_bit_page_t
 
   bool is_equal (const hb_bit_page_t &other) const
   {
-    return 0 == hb_memcmp (&v, &other.v, sizeof (v));
+    for (unsigned i = 0; i < len (); i++)
+      if (v[i] != other.v[i])
+	return false;
+    return true;
   }
   bool is_subset (const hb_bit_page_t &larger_page) const
   {
@@ -166,10 +223,10 @@ struct hb_bit_page_t
 
   unsigned int get_population () const
   {
-    unsigned int pop = 0;
-    for (unsigned int i = 0; i < len (); i++)
-      pop += hb_popcount (v[i]);
-    return pop;
+    return
+    + hb_iter (v)
+    | hb_reduce ([] (unsigned pop, const elt_t &_) { return pop + hb_popcount (_); }, 0u)
+    ;
   }
 
   bool next (hb_codepoint_t *codepoint) const
@@ -255,8 +312,6 @@ struct hb_bit_page_t
   typedef hb_vector_size_t<elt_t, PAGE_BITS / 8> vector_t;
 
   static constexpr unsigned ELT_BITS = sizeof (elt_t) * 8;
-  static constexpr unsigned ELT_BITS_LOG_2 = 6;
-  static_assert (1 << ELT_BITS_LOG_2 == ELT_BITS, "");
   static constexpr unsigned ELT_MASK = ELT_BITS - 1;
 
   static constexpr unsigned BITS = sizeof (vector_t) * 8;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh
index 4a4ce34053..ff8aecc60c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh
@@ -38,10 +38,10 @@ struct hb_bit_set_invertible_t
   bool inverted = false;
 
   hb_bit_set_invertible_t () = default;
-  hb_bit_set_invertible_t (hb_bit_set_invertible_t& o) = default;
-  hb_bit_set_invertible_t (hb_bit_set_invertible_t&& o) = default;
+  hb_bit_set_invertible_t (const hb_bit_set_invertible_t& o) = default;
+  hb_bit_set_invertible_t (hb_bit_set_invertible_t&& other) : hb_bit_set_invertible_t () { hb_swap (*this, other); }
   hb_bit_set_invertible_t& operator= (const hb_bit_set_invertible_t& o) = default;
-  hb_bit_set_invertible_t& operator= (hb_bit_set_invertible_t&& o) = default;
+  hb_bit_set_invertible_t& operator= (hb_bit_set_invertible_t&& other) { hb_swap (*this, other); return *this; }
   friend void swap (hb_bit_set_invertible_t &a, hb_bit_set_invertible_t &b)
   {
     if (likely (!a.s.successful || !b.s.successful))
@@ -56,6 +56,7 @@ struct hb_bit_set_invertible_t
   bool in_error () const { return s.in_error (); }
   explicit operator bool () const { return !is_empty (); }
 
+  void alloc (unsigned sz) { s.alloc (sz); }
   void reset ()
   {
     s.reset ();
@@ -79,6 +80,8 @@ struct hb_bit_set_invertible_t
     next (&v);
     return v == INVALID;
   }
+  uint32_t hash () const { return s.hash () ^ (uint32_t) inverted; }
+
   hb_codepoint_t get_min () const
   {
     hb_codepoint_t v = INVALID;
@@ -97,7 +100,7 @@ struct hb_bit_set_invertible_t
 
   void add (hb_codepoint_t g) { unlikely (inverted) ? s.del (g) : s.add (g); }
   bool add_range (hb_codepoint_t a, hb_codepoint_t b)
-  { return unlikely (inverted) ? (s.del_range (a, b), true) : s.add_range (a, b); }
+  { return unlikely (inverted) ? ((void) s.del_range (a, b), true) : s.add_range (a, b); }
 
   template <typename T>
   void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
@@ -120,10 +123,8 @@ struct hb_bit_set_invertible_t
   bool get (hb_codepoint_t g) const { return s.get (g) ^ inverted; }
 
   /* Has interface. */
-  static constexpr bool SENTINEL = false;
-  typedef bool value_t;
-  value_t operator [] (hb_codepoint_t k) const { return get (k); }
-  bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }
+  bool operator [] (hb_codepoint_t k) const { return get (k); }
+  bool has (hb_codepoint_t k) const { return (*this)[k]; }
   /* Predicate. */
   bool operator () (hb_codepoint_t k) const { return has (k); }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh
index fcaff9f3be..8de6e037fb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh
@@ -78,17 +78,17 @@ struct hb_bit_set_t
 
   bool successful = true; /* Allocations successful */
   mutable unsigned int population = 0;
-  mutable unsigned int last_page_lookup = 0;
+  mutable hb_atomic_int_t last_page_lookup = 0;
   hb_sorted_vector_t<page_map_t> page_map;
   hb_vector_t<page_t> pages;
 
   void err () { if (successful) successful = false; } /* TODO Remove */
   bool in_error () const { return !successful; }
 
-  bool resize (unsigned int count)
+  bool resize (unsigned int count, bool clear = true)
   {
     if (unlikely (!successful)) return false;
-    if (unlikely (!pages.resize (count) || !page_map.resize (count)))
+    if (unlikely (!pages.resize (count, clear) || !page_map.resize (count, clear)))
     {
       pages.resize (page_map.length);
       successful = false;
@@ -97,6 +97,13 @@ struct hb_bit_set_t
     return true;
   }
 
+  void alloc (unsigned sz)
+  {
+    sz >>= (page_t::PAGE_BITS_LOG_2 - 1);
+    pages.alloc (sz);
+    page_map.alloc (sz);
+  }
+
   void reset ()
   {
     successful = true;
@@ -119,6 +126,14 @@ struct hb_bit_set_t
   }
   explicit operator bool () const { return !is_empty (); }
 
+  uint32_t hash () const
+  {
+    uint32_t h = 0;
+    for (auto &map : page_map)
+      h = h * 31 + hb_hash (map.major) + hb_hash (pages[map.index]);
+    return h;
+  }
+
   private:
   void dirty () { population = UINT_MAX; }
   public:
@@ -315,10 +330,8 @@ struct hb_bit_set_t
   }
 
   /* Has interface. */
-  static constexpr bool SENTINEL = false;
-  typedef bool value_t;
-  value_t operator [] (hb_codepoint_t k) const { return get (k); }
-  bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }
+  bool operator [] (hb_codepoint_t k) const { return get (k); }
+  bool has (hb_codepoint_t k) const { return (*this)[k]; }
   /* Predicate. */
   bool operator () (hb_codepoint_t k) const { return has (k); }
 
@@ -337,19 +350,18 @@ struct hb_bit_set_t
   {
     if (unlikely (!successful)) return;
     unsigned int count = other.pages.length;
-    if (unlikely (!resize (count)))
+    if (unlikely (!resize (count, false)))
       return;
     population = other.population;
 
-    /* TODO switch to vector operator =. */
-    hb_memcpy ((void *) pages, (const void *) other.pages, count * pages.item_size);
-    hb_memcpy ((void *) page_map, (const void *) other.page_map, count * page_map.item_size);
+    page_map = other.page_map;
+    pages = other.pages;
   }
 
   bool is_equal (const hb_bit_set_t &other) const
   {
     if (has_population () && other.has_population () &&
-	get_population () != other.get_population ())
+	population != other.population)
       return false;
 
     unsigned int na = pages.length;
@@ -377,7 +389,7 @@ struct hb_bit_set_t
   bool is_subset (const hb_bit_set_t &larger_set) const
   {
     if (has_population () && larger_set.has_population () &&
-	get_population () != larger_set.get_population ())
+	population > larger_set.population)
       return false;
 
     uint32_t spi = 0;
@@ -451,12 +463,10 @@ struct hb_bit_set_t
   }
   public:
 
-  template <typename Op>
-  void process (const Op& op, const hb_bit_set_t &other)
+  void process_ (hb_bit_page_t::vector_t (*op) (const hb_bit_page_t::vector_t &, const hb_bit_page_t::vector_t &),
+		 bool passthru_left, bool passthru_right,
+		 const hb_bit_set_t &other)
   {
-    const bool passthru_left = op (1, 0);
-    const bool passthru_right = op (0, 1);
-
     if (unlikely (!successful)) return;
 
     dirty ();
@@ -528,21 +538,21 @@ struct hb_bit_set_t
     b = nb;
     for (; a && b; )
     {
-      if (page_map[a - 1].major == other.page_map[b - 1].major)
+      if (page_map.arrayZ[a - 1].major == other.page_map.arrayZ[b - 1].major)
       {
 	a--;
 	b--;
 	count--;
-	page_map[count] = page_map[a];
+	page_map.arrayZ[count] = page_map.arrayZ[a];
 	page_at (count).v = op (page_at (a).v, other.page_at (b).v);
       }
-      else if (page_map[a - 1].major > other.page_map[b - 1].major)
+      else if (page_map.arrayZ[a - 1].major > other.page_map.arrayZ[b - 1].major)
       {
 	a--;
 	if (passthru_left)
 	{
 	  count--;
-	  page_map[count] = page_map[a];
+	  page_map.arrayZ[count] = page_map.arrayZ[a];
 	}
       }
       else
@@ -551,8 +561,8 @@ struct hb_bit_set_t
 	if (passthru_right)
 	{
 	  count--;
-	  page_map[count].major = other.page_map[b].major;
-	  page_map[count].index = next_page++;
+	  page_map.arrayZ[count].major = other.page_map.arrayZ[b].major;
+	  page_map.arrayZ[count].index = next_page++;
 	  page_at (count).v = other.page_at (b).v;
 	}
       }
@@ -562,20 +572,29 @@ struct hb_bit_set_t
       {
 	a--;
 	count--;
-	page_map[count] = page_map [a];
+	page_map.arrayZ[count] = page_map.arrayZ[a];
       }
     if (passthru_right)
       while (b)
       {
 	b--;
 	count--;
-	page_map[count].major = other.page_map[b].major;
-	page_map[count].index = next_page++;
+	page_map.arrayZ[count].major = other.page_map.arrayZ[b].major;
+	page_map.arrayZ[count].index = next_page++;
 	page_at (count).v = other.page_at (b).v;
       }
     assert (!count);
     resize (newCount);
   }
+  template <typename Op>
+  static hb_bit_page_t::vector_t
+  op_ (const hb_bit_page_t::vector_t &a, const hb_bit_page_t::vector_t &b)
+  { return Op{} (a, b); }
+  template <typename Op>
+  void process (const Op& op, const hb_bit_set_t &other)
+  {
+    process_ (op_<Op>, op (1, 0), op (0, 1), other);
+  }
 
   void union_ (const hb_bit_set_t &other) { process (hb_bitwise_or, other); }
   void intersect (const hb_bit_set_t &other) { process (hb_bitwise_and, other); }
@@ -584,8 +603,6 @@ struct hb_bit_set_t
 
   bool next (hb_codepoint_t *codepoint) const
   {
-    // TODO: this should be merged with prev() as both implementations
-    //       are very similar.
     if (unlikely (*codepoint == INVALID)) {
       *codepoint = get_min ();
       return *codepoint != INVALID;
@@ -619,7 +636,7 @@ struct hb_bit_set_t
 
     for (; i < page_map.length; i++)
     {
-      const page_map_t &current = page_map.arrayZ[i];
+      const page_map_t &current = page_map_array[i];
       hb_codepoint_t m = pages_array[current.index].get_min ();
       if (m != INVALID)
       {
@@ -642,21 +659,21 @@ struct hb_bit_set_t
     page_map_t map = {get_major (*codepoint), 0};
     unsigned int i;
     page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST);
-    if (i < page_map.length && page_map[i].major == map.major)
+    if (i < page_map.length && page_map.arrayZ[i].major == map.major)
     {
-      if (pages[page_map[i].index].previous (codepoint))
+      if (pages[page_map.arrayZ[i].index].previous (codepoint))
       {
-	*codepoint += page_map[i].major * page_t::PAGE_BITS;
+	*codepoint += page_map.arrayZ[i].major * page_t::PAGE_BITS;
 	return true;
       }
     }
     i--;
     for (; (int) i >= 0; i--)
     {
-      hb_codepoint_t m = pages[page_map[i].index].get_max ();
+      hb_codepoint_t m = pages.arrayZ[page_map.arrayZ[i].index].get_max ();
       if (m != INVALID)
       {
-	*codepoint = page_map[i].major * page_t::PAGE_BITS + m;
+	*codepoint = page_map.arrayZ[i].major * page_t::PAGE_BITS + m;
 	return true;
       }
     }
@@ -874,8 +891,20 @@ struct hb_bit_set_t
 
   page_t *page_for (hb_codepoint_t g, bool insert = false)
   {
-    page_map_t map = {get_major (g), pages.length};
-    unsigned int i;
+    unsigned major = get_major (g);
+
+    /* The extra page_map length is necessary; can't just rely on vector here,
+     * since the next check would be tricked because a null page also has
+     * major==0, which we can't distinguish from an actualy major==0 page... */
+    unsigned i = last_page_lookup;
+    if (likely (i < page_map.length))
+    {
+      auto &cached_page = page_map.arrayZ[i];
+      if (cached_page.major == major)
+	return &pages.arrayZ[cached_page.index];
+    }
+
+    page_map_t map = {major, pages.length};
     if (!page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST))
     {
       if (!insert)
@@ -884,24 +913,48 @@ struct hb_bit_set_t
       if (unlikely (!resize (pages.length + 1)))
 	return nullptr;
 
-      pages[map.index].init0 ();
-      memmove (page_map + i + 1,
-	       page_map + i,
+      pages.arrayZ[map.index].init0 ();
+      memmove (page_map.arrayZ + i + 1,
+	       page_map.arrayZ + i,
 	       (page_map.length - 1 - i) * page_map.item_size);
       page_map[i] = map;
     }
-    return &pages[page_map[i].index];
+
+    last_page_lookup = i;
+    return &pages.arrayZ[page_map.arrayZ[i].index];
   }
   const page_t *page_for (hb_codepoint_t g) const
   {
-    page_map_t key = {get_major (g)};
-    const page_map_t *found = page_map.bsearch (key);
-    if (found)
-      return &pages[found->index];
-    return nullptr;
+    unsigned major = get_major (g);
+
+    /* The extra page_map length is necessary; can't just rely on vector here,
+     * since the next check would be tricked because a null page also has
+     * major==0, which we can't distinguish from an actualy major==0 page... */
+    unsigned i = last_page_lookup;
+    if (likely (i < page_map.length))
+    {
+      auto &cached_page = page_map.arrayZ[i];
+      if (cached_page.major == major)
+	return &pages.arrayZ[cached_page.index];
+    }
+
+    page_map_t key = {major};
+    if (!page_map.bfind (key, &i))
+      return nullptr;
+
+    last_page_lookup = i;
+    return &pages.arrayZ[page_map[i].index];
+  }
+  page_t &page_at (unsigned int i)
+  {
+    assert (i < page_map.length);
+    return pages.arrayZ[page_map.arrayZ[i].index];
+  }
+  const page_t &page_at (unsigned int i) const
+  {
+    assert (i < page_map.length);
+    return pages.arrayZ[page_map.arrayZ[i].index];
   }
-  page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
-  const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
   unsigned int get_major (hb_codepoint_t g) const { return g >> page_t::PAGE_BITS_LOG_2; }
   unsigned int page_remainder (hb_codepoint_t g) const { return g & page_t::PAGE_BITMASK; }
   hb_codepoint_t major_start (unsigned int major) const { return major << page_t::PAGE_BITS_LOG_2; }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.cc b/src/3rdparty/harfbuzz-ng/src/hb-blob.cc
index 65e44c7f6a..f0fda1fa4d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-blob.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.cc
@@ -99,7 +99,7 @@ hb_blob_create (const char        *data,
  * is zero. This is in contrast to hb_blob_create(), which returns the singleton
  * empty blob (as returned by hb_blob_get_empty()) if @length is zero.
  *
- * Return value: New blob, or %NULL if failed.  Destroy with hb_blob_destroy().
+ * Return value: New blob, or `NULL` if failed.  Destroy with hb_blob_destroy().
  *
  * Since: 2.8.2
  **/
@@ -263,8 +263,6 @@ hb_blob_destroy (hb_blob_t *blob)
 {
   if (!hb_object_destroy (blob)) return;
 
-  blob->fini_shallow ();
-
   hb_free (blob);
 }
 
@@ -278,7 +276,7 @@ hb_blob_destroy (hb_blob_t *blob)
  *
  * Attaches a user-data key/data pair to the specified blob.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -305,7 +303,7 @@ hb_blob_set_user_data (hb_blob_t          *blob,
  * Since: 0.9.2
  **/
 void *
-hb_blob_get_user_data (hb_blob_t          *blob,
+hb_blob_get_user_data (const hb_blob_t    *blob,
 		       hb_user_data_key_t *key)
 {
   return hb_object_get_user_data (blob, key);
@@ -335,7 +333,7 @@ hb_blob_make_immutable (hb_blob_t *blob)
  *
  * Tests whether a blob is immutable.
  *
- * Return value: %true if @blob is immutable, %false otherwise
+ * Return value: `true` if @blob is immutable, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -369,7 +367,7 @@ hb_blob_get_length (hb_blob_t *blob)
  *
  * Fetches the data from a blob.
  *
- * Returns: (transfer none) (array length=length): the byte data of @blob.
+ * Returns: (nullable) (transfer none) (array length=length): the byte data of @blob.
  *
  * Since: 0.9.2
  **/
@@ -394,7 +392,7 @@ hb_blob_get_data (hb_blob_t *blob, unsigned int *length)
  * fails.
  *
  * Returns: (transfer none) (array length=length): Writable blob data,
- * or %NULL if failed.
+ * or `NULL` if failed.
  *
  * Since: 0.9.2
  **/
@@ -497,7 +495,7 @@ hb_blob_t::try_make_writable ()
 
   DEBUG_MSG_FUNC (BLOB, this, "dupped successfully -> %p\n", this->data);
 
-  memcpy (new_data, this->data, this->length);
+  hb_memcpy (new_data, this->data, this->length);
   this->destroy_user_data ();
   this->mode = HB_MEMORY_MODE_WRITABLE;
   this->data = new_data;
@@ -572,7 +570,7 @@ _open_resource_fork (const char *file_name, hb_mapped_file_t *file)
 
   strncpy (rsrc_name, file_name, name_len);
   strncpy (rsrc_name + name_len, _PATH_RSRCFORKSPEC,
-	   sizeof (_PATH_RSRCFORKSPEC) - 1);
+	   sizeof (_PATH_RSRCFORKSPEC));
 
   int fd = open (rsrc_name, O_RDONLY | O_BINARY, 0);
   hb_free (rsrc_name);
@@ -620,7 +618,7 @@ hb_blob_create_from_file (const char *file_name)
  * specified binary font file.
  *
  * Returns: An #hb_blob_t pointer with the content of the file,
- * or %NULL if failed.
+ * or `NULL` if failed.
  *
  * Since: 2.8.2
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.h b/src/3rdparty/harfbuzz-ng/src/hb-blob.h
index 203f9e19dd..4eb42314da 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-blob.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.h
@@ -135,7 +135,7 @@ hb_blob_set_user_data (hb_blob_t          *blob,
 
 
 HB_EXTERN void *
-hb_blob_get_user_data (hb_blob_t          *blob,
+hb_blob_get_user_data (const hb_blob_t    *blob,
 		       hb_user_data_key_t *key);
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.hh b/src/3rdparty/harfbuzz-ng/src/hb-blob.hh
index a3683a681e..b1b3b94d3d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-blob.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.hh
@@ -38,7 +38,7 @@
 
 struct hb_blob_t
 {
-  void fini_shallow () { destroy_user_data (); }
+  ~hb_blob_t () { destroy_user_data (); }
 
   void destroy_user_data ()
   {
@@ -61,12 +61,12 @@ struct hb_blob_t
   public:
   hb_object_header_t header;
 
-  const char *data;
-  unsigned int length;
-  hb_memory_mode_t mode;
+  const char *data = nullptr;
+  unsigned int length = 0;
+  hb_memory_mode_t mode = (hb_memory_mode_t) 0;
 
-  void *user_data;
-  hb_destroy_func_t destroy;
+  void *user_data = nullptr;
+  hb_destroy_func_t destroy = nullptr;
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh
index e80cfea6e7..993bb1f698 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh
@@ -32,15 +32,16 @@
 #include "hb.hh"
 
 
-#line 36 "hb-buffer-deserialize-json.hh"
+#line 33 "hb-buffer-deserialize-json.hh"
 static const unsigned char _deserialize_json_trans_keys[] = {
 	0u, 0u, 9u, 123u, 9u, 34u, 97u, 117u, 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 
 	48u, 57u, 9u, 125u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 
 	9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 125u, 
 	120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 
-	9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 
-	34u, 92u, 9u, 125u, 34u, 92u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 
-	9u, 125u, 9u, 93u, 9u, 123u, 0u, 0u, 0
+	9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, 
+	9u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 34u, 92u, 9u, 125u, 
+	34u, 92u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 93u, 
+	9u, 123u, 0u, 0u, 0
 };
 
 static const char _deserialize_json_key_spans[] = {
@@ -48,9 +49,10 @@ static const char _deserialize_json_key_spans[] = {
 	10, 117, 117, 117, 1, 50, 49, 10, 
 	117, 117, 1, 1, 50, 49, 117, 117, 
 	2, 1, 50, 49, 10, 117, 117, 1, 
-	50, 49, 10, 117, 117, 1, 50, 49, 
-	59, 117, 59, 117, 117, 1, 50, 49, 
-	117, 85, 115, 0
+	50, 49, 10, 117, 117, 1, 1, 50, 
+	49, 117, 117, 1, 50, 49, 59, 117, 
+	59, 117, 117, 1, 50, 49, 117, 85, 
+	115, 0
 };
 
 static const short _deserialize_json_index_offsets[] = {
@@ -58,9 +60,10 @@ static const short _deserialize_json_index_offsets[] = {
 	271, 282, 400, 518, 636, 638, 689, 739, 
 	750, 868, 986, 988, 990, 1041, 1091, 1209, 
 	1327, 1330, 1332, 1383, 1433, 1444, 1562, 1680, 
-	1682, 1733, 1783, 1794, 1912, 2030, 2032, 2083, 
-	2133, 2193, 2311, 2371, 2489, 2607, 2609, 2660, 
-	2710, 2828, 2914, 3030
+	1682, 1733, 1783, 1794, 1912, 2030, 2032, 2034, 
+	2085, 2135, 2253, 2371, 2373, 2424, 2474, 2534, 
+	2652, 2712, 2830, 2948, 2950, 3001, 3051, 3169, 
+	3255, 3371
 };
 
 static const char _deserialize_json_indicies[] = {
@@ -82,28 +85,28 @@ static const char _deserialize_json_indicies[] = {
 	3, 3, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 3, 1, 4, 1, 
-	5, 1, 6, 7, 1, 1, 8, 1, 
+	5, 1, 6, 7, 1, 8, 9, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 9, 1, 10, 11, 
-	1, 12, 1, 12, 12, 12, 12, 12, 
+	1, 1, 1, 1, 10, 1, 11, 12, 
+	1, 13, 1, 13, 13, 13, 13, 13, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 12, 1, 1, 1, 1, 1, 
+	1, 1, 13, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 13, 1, 13, 13, 
-	13, 13, 13, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 14, 1, 14, 14, 
+	14, 14, 14, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 13, 1, 1, 
+	1, 1, 1, 1, 1, 14, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 14, 1, 1, 15, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 1, 
-	17, 18, 18, 18, 18, 18, 18, 18, 
-	18, 18, 1, 19, 19, 19, 19, 19, 
+	1, 1, 15, 1, 1, 16, 17, 17, 
+	17, 17, 17, 17, 17, 17, 17, 1, 
+	18, 19, 19, 19, 19, 19, 19, 19, 
+	19, 19, 1, 20, 20, 20, 20, 20, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 19, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 20, 1, 
+	1, 1, 20, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 21, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -113,11 +116,11 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 21, 
-	1, 22, 22, 22, 22, 22, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 22, 
+	1, 23, 23, 23, 23, 23, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	22, 1, 1, 1, 1, 1, 1, 1, 
+	23, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 3, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -128,41 +131,58 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 23, 1, 19, 
-	19, 19, 19, 19, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 24, 1, 20, 
+	20, 20, 20, 20, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 20, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 21, 1, 1, 1, 19, 19, 
+	19, 19, 19, 19, 19, 19, 19, 19, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 22, 1, 25, 1, 25, 
+	25, 25, 25, 25, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 25, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 19, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 20, 1, 1, 1, 18, 18, 
-	18, 18, 18, 18, 18, 18, 18, 18, 
+	26, 1, 26, 26, 26, 26, 26, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 26, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 27, 1, 
+	1, 28, 29, 29, 29, 29, 29, 29, 
+	29, 29, 29, 1, 30, 31, 31, 31, 
+	31, 31, 31, 31, 31, 31, 1, 32, 
+	32, 32, 32, 32, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 32, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 33, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 21, 1, 24, 1, 24, 
-	24, 24, 24, 24, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 24, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	25, 1, 25, 25, 25, 25, 25, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 34, 1, 32, 32, 32, 
+	32, 32, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 25, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 26, 1, 
-	1, 27, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 1, 29, 30, 30, 30, 
-	30, 30, 30, 30, 30, 30, 1, 31, 
-	31, 31, 31, 31, 1, 1, 1, 1, 
+	1, 1, 1, 1, 32, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 31, 1, 
+	33, 1, 1, 1, 31, 31, 31, 31, 
+	31, 31, 31, 31, 31, 31, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 32, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -170,41 +190,41 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 34, 1, 35, 1, 36, 1, 36, 
+	36, 36, 36, 36, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 36, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 33, 1, 31, 31, 31, 
-	31, 31, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 31, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	32, 1, 1, 1, 30, 30, 30, 30, 
-	30, 30, 30, 30, 30, 30, 1, 1, 
+	37, 1, 37, 37, 37, 37, 37, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 37, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 38, 39, 39, 39, 39, 39, 39, 
+	39, 39, 39, 1, 40, 40, 40, 40, 
+	40, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 40, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 41, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 33, 1, 34, 1, 35, 1, 35, 
-	35, 35, 35, 35, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 35, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	36, 1, 36, 36, 36, 36, 36, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 36, 1, 1, 1, 1, 1, 1, 
+	42, 1, 40, 40, 40, 40, 40, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 37, 38, 38, 38, 38, 38, 38, 
-	38, 38, 38, 1, 39, 39, 39, 39, 
-	39, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 39, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 40, 
+	1, 40, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 41, 1, 1, 
+	1, 43, 43, 43, 43, 43, 43, 43, 
+	43, 43, 43, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -212,137 +232,130 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 42, 1, 
+	44, 45, 1, 46, 1, 46, 46, 46, 
+	46, 46, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 46, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	41, 1, 39, 39, 39, 39, 39, 1, 
+	1, 1, 1, 1, 1, 1, 47, 1, 
+	47, 47, 47, 47, 47, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 47, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 39, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 40, 1, 1, 
-	1, 42, 42, 42, 42, 42, 42, 42, 
-	42, 42, 42, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 48, 1, 1, 49, 
+	50, 50, 50, 50, 50, 50, 50, 50, 
+	50, 1, 51, 52, 52, 52, 52, 52, 
+	52, 52, 52, 52, 1, 53, 53, 53, 
+	53, 53, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 53, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	54, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 41, 1, 
-	43, 44, 1, 45, 1, 45, 45, 45, 
-	45, 45, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 45, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 46, 1, 
-	46, 46, 46, 46, 46, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 46, 
+	1, 55, 1, 53, 53, 53, 53, 53, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 47, 1, 1, 48, 
-	49, 49, 49, 49, 49, 49, 49, 49, 
-	49, 1, 50, 51, 51, 51, 51, 51, 
-	51, 51, 51, 51, 1, 52, 52, 52, 
-	52, 52, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 52, 1, 1, 1, 
+	1, 1, 53, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 54, 1, 
+	1, 1, 52, 52, 52, 52, 52, 52, 
+	52, 52, 52, 52, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	53, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 55, 
+	1, 56, 1, 56, 56, 56, 56, 56, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 56, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 54, 1, 52, 52, 52, 52, 52, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 57, 1, 57, 57, 
+	57, 57, 57, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 52, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 53, 1, 
-	1, 1, 51, 51, 51, 51, 51, 51, 
-	51, 51, 51, 51, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 57, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 58, 1, 1, 59, 60, 60, 
+	60, 60, 60, 60, 60, 60, 60, 1, 
+	61, 62, 62, 62, 62, 62, 62, 62, 
+	62, 62, 1, 63, 63, 63, 63, 63, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 63, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 64, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 54, 
-	1, 55, 1, 55, 55, 55, 55, 55, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 55, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 56, 1, 56, 56, 
-	56, 56, 56, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 56, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 65, 
+	1, 63, 63, 63, 63, 63, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 57, 1, 1, 58, 59, 59, 
-	59, 59, 59, 59, 59, 59, 59, 1, 
-	60, 61, 61, 61, 61, 61, 61, 61, 
-	61, 61, 1, 62, 62, 62, 62, 62, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	63, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 64, 1, 1, 1, 
+	62, 62, 62, 62, 62, 62, 62, 62, 
+	62, 62, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 62, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 63, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 65, 1, 66, 
+	1, 67, 1, 67, 67, 67, 67, 67, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 67, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 64, 
-	1, 62, 62, 62, 62, 62, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 68, 1, 68, 68, 
+	68, 68, 68, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	62, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 63, 1, 1, 1, 
-	61, 61, 61, 61, 61, 61, 61, 61, 
-	61, 61, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 68, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 69, 70, 70, 
+	70, 70, 70, 70, 70, 70, 70, 1, 
+	71, 71, 71, 71, 71, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 71, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 72, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 64, 1, 65, 
-	1, 65, 65, 65, 65, 65, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	65, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 66, 1, 66, 66, 66, 66, 
-	66, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 66, 1, 67, 1, 1, 
+	1, 1, 1, 1, 73, 1, 71, 71, 
+	71, 71, 71, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 68, 69, 69, 69, 69, 
-	69, 69, 69, 69, 69, 1, 71, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	70, 70, 70, 70, 70, 70, 70, 70, 
-	72, 70, 73, 73, 73, 73, 73, 1, 
+	1, 1, 1, 1, 1, 71, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 72, 1, 1, 1, 74, 74, 74, 
+	74, 74, 74, 74, 74, 74, 74, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 73, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 74, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -350,21 +363,33 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 73, 1, 75, 1, 75, 75, 
+	75, 75, 75, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 75, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 75, 1, 
-	70, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 76, 
+	1, 76, 76, 76, 76, 76, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	76, 1, 77, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	78, 79, 79, 79, 79, 79, 79, 79, 
+	79, 79, 1, 81, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 80, 80, 80, 
+	80, 80, 80, 80, 80, 82, 80, 83, 
+	83, 83, 83, 83, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 83, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 70, 1, 76, 76, 76, 76, 
-	76, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 84, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 76, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 77, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -373,67 +398,85 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 85, 1, 80, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	78, 1, 76, 76, 76, 76, 76, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 76, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 77, 1, 1, 
-	1, 79, 79, 79, 79, 79, 79, 79, 
-	79, 79, 79, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 80, 
+	1, 86, 86, 86, 86, 86, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	86, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 87, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 78, 1, 
-	80, 1, 80, 80, 80, 80, 80, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 80, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 88, 1, 86, 
+	86, 86, 86, 86, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 81, 1, 81, 81, 81, 
-	81, 81, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 86, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 81, 1, 1, 1, 
+	1, 1, 87, 1, 1, 1, 89, 89, 
+	89, 89, 89, 89, 89, 89, 89, 89, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 82, 83, 83, 83, 
-	83, 83, 83, 83, 83, 83, 1, 76, 
-	76, 76, 76, 76, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 76, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 77, 1, 1, 1, 84, 84, 
-	84, 84, 84, 84, 84, 84, 84, 84, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 88, 1, 90, 1, 90, 
+	90, 90, 90, 90, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 90, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 78, 1, 85, 85, 85, 
-	85, 85, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 85, 1, 1, 1, 
+	91, 1, 91, 91, 91, 91, 91, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 91, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 92, 93, 93, 93, 93, 93, 93, 
+	93, 93, 93, 1, 86, 86, 86, 86, 
 	86, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 86, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 87, 
+	1, 1, 1, 94, 94, 94, 94, 94, 
+	94, 94, 94, 94, 94, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	88, 1, 95, 95, 95, 95, 95, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 95, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 96, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 87, 1, 0, 0, 0, 0, 0, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 0, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 97, 1, 
+	0, 0, 0, 0, 0, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 0, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -442,46 +485,52 @@ static const char _deserialize_json_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 2, 1, 1, 
-	0
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 2, 1, 1, 0
 };
 
 static const char _deserialize_json_trans_targs[] = {
 	1, 0, 2, 2, 3, 4, 18, 24, 
-	37, 45, 5, 12, 6, 7, 8, 9, 
-	11, 9, 11, 10, 2, 49, 10, 49, 
-	13, 14, 15, 16, 17, 16, 17, 10, 
-	2, 49, 19, 20, 21, 22, 23, 10, 
-	2, 49, 23, 25, 31, 26, 27, 28, 
-	29, 30, 29, 30, 10, 2, 49, 32, 
-	33, 34, 35, 36, 35, 36, 10, 2, 
-	49, 38, 39, 40, 43, 44, 40, 41, 
-	42, 10, 2, 49, 10, 2, 49, 44, 
-	46, 47, 43, 48, 48, 49, 50, 51
+	37, 43, 51, 5, 12, 6, 7, 8, 
+	9, 11, 9, 11, 10, 2, 55, 10, 
+	55, 13, 14, 15, 16, 17, 16, 17, 
+	10, 2, 55, 19, 20, 21, 22, 23, 
+	10, 2, 55, 23, 25, 31, 26, 27, 
+	28, 29, 30, 29, 30, 10, 2, 55, 
+	32, 33, 34, 35, 36, 35, 36, 10, 
+	2, 55, 38, 39, 40, 41, 42, 10, 
+	2, 55, 42, 44, 45, 46, 49, 50, 
+	46, 47, 48, 10, 2, 55, 10, 2, 
+	55, 50, 52, 53, 49, 54, 54, 55, 
+	56, 57
 };
 
 static const char _deserialize_json_trans_actions[] = {
 	0, 0, 1, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 2, 2, 
-	2, 0, 0, 3, 3, 4, 0, 5, 
-	0, 0, 2, 2, 2, 0, 0, 6, 
-	6, 7, 0, 0, 0, 2, 2, 8, 
-	8, 9, 0, 0, 0, 0, 0, 2, 
-	2, 2, 0, 0, 10, 10, 11, 0, 
-	0, 2, 2, 2, 0, 0, 12, 12, 
-	13, 0, 0, 2, 14, 14, 0, 15, 
-	0, 16, 16, 17, 18, 18, 19, 15, 
-	0, 0, 20, 20, 21, 0, 0, 0
+	0, 0, 0, 0, 0, 0, 0, 2, 
+	2, 2, 0, 0, 3, 3, 4, 0, 
+	5, 0, 0, 2, 2, 2, 0, 0, 
+	6, 6, 7, 0, 0, 0, 2, 2, 
+	8, 8, 9, 0, 0, 0, 0, 0, 
+	2, 2, 2, 0, 0, 10, 10, 11, 
+	0, 0, 2, 2, 2, 0, 0, 12, 
+	12, 13, 0, 0, 0, 2, 2, 14, 
+	14, 15, 0, 0, 0, 2, 16, 16, 
+	0, 17, 0, 18, 18, 19, 20, 20, 
+	21, 17, 0, 0, 22, 22, 23, 0, 
+	0, 0
 };
 
 static const int deserialize_json_start = 1;
-static const int deserialize_json_first_final = 49;
+static const int deserialize_json_first_final = 55;
 static const int deserialize_json_error = 0;
 
 static const int deserialize_json_en_main = 1;
 
 
-#line 108 "hb-buffer-deserialize-json.rl"
+#line 111 "hb-buffer-deserialize-json.rl"
 
 
 static hb_bool_t
@@ -508,12 +557,12 @@ _hb_buffer_deserialize_json (hb_buffer_t *buffer,
   hb_glyph_info_t info = {0};
   hb_glyph_position_t pos = {0};
   
-#line 512 "hb-buffer-deserialize-json.hh"
+#line 554 "hb-buffer-deserialize-json.hh"
 	{
 	cs = deserialize_json_start;
 	}
 
-#line 517 "hb-buffer-deserialize-json.hh"
+#line 557 "hb-buffer-deserialize-json.hh"
 	{
 	int _slen;
 	int _trans;
@@ -541,8 +590,8 @@ _resume:
 	case 1:
 #line 38 "hb-buffer-deserialize-json.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 	break;
 	case 5:
@@ -561,25 +610,25 @@ _resume:
 	tok = p;
 }
 	break;
-	case 15:
+	case 17:
 #line 55 "hb-buffer-deserialize-json.rl"
 	{ if (unlikely (!buffer->ensure_glyphs ())) return false; }
 	break;
-	case 21:
+	case 23:
 #line 56 "hb-buffer-deserialize-json.rl"
 	{ if (unlikely (!buffer->ensure_unicode ())) return false; }
 	break;
-	case 16:
+	case 18:
 #line 58 "hb-buffer-deserialize-json.rl"
 	{
 	/* TODO Unescape \" and \\ if found. */
 	if (!hb_font_glyph_from_string (font,
-					tok, p - tok,
+					tok+1, p - tok - 2, /* Skip "" */
 					&info.codepoint))
 	  return false;
 }
 	break;
-	case 18:
+	case 20:
 #line 66 "hb-buffer-deserialize-json.rl"
 	{ if (!parse_uint (tok, p, &info.codepoint)) return false; }
 	break;
@@ -604,6 +653,10 @@ _resume:
 	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
 	break;
 	case 14:
+#line 72 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.mask    )) return false; }
+	break;
+	case 16:
 #line 51 "hb-buffer-deserialize-json.rl"
 	{
 	tok = p;
@@ -611,7 +664,7 @@ _resume:
 #line 55 "hb-buffer-deserialize-json.rl"
 	{ if (unlikely (!buffer->ensure_glyphs ())) return false; }
 	break;
-	case 20:
+	case 22:
 #line 51 "hb-buffer-deserialize-json.rl"
 	{
 	tok = p;
@@ -619,12 +672,12 @@ _resume:
 #line 56 "hb-buffer-deserialize-json.rl"
 	{ if (unlikely (!buffer->ensure_unicode ())) return false; }
 	break;
-	case 17:
+	case 19:
 #line 58 "hb-buffer-deserialize-json.rl"
 	{
 	/* TODO Unescape \" and \\ if found. */
 	if (!hb_font_glyph_from_string (font,
-					tok, p - tok,
+					tok+1, p - tok - 2, /* Skip "" */
 					&info.codepoint))
 	  return false;
 }
@@ -637,7 +690,7 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-	case 19:
+	case 21:
 #line 66 "hb-buffer-deserialize-json.rl"
 	{ if (!parse_uint (tok, p, &info.codepoint)) return false; }
 #line 43 "hb-buffer-deserialize-json.rl"
@@ -709,7 +762,19 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-#line 713 "hb-buffer-deserialize-json.hh"
+	case 15:
+#line 72 "hb-buffer-deserialize-json.rl"
+	{ if (!parse_uint (tok, p, &info.mask    )) return false; }
+#line 43 "hb-buffer-deserialize-json.rl"
+	{
+	buffer->add_info (info);
+	if (unlikely (!buffer->successful))
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
+#line 735 "hb-buffer-deserialize-json.hh"
 	}
 
 _again:
@@ -721,7 +786,7 @@ _again:
 	_out: {}
 	}
 
-#line 136 "hb-buffer-deserialize-json.rl"
+#line 139 "hb-buffer-deserialize-json.rl"
 
 
   *end_ptr = p;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh
index 06a605e225..6b9b4282fc 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh
@@ -32,29 +32,30 @@
 #include "hb.hh"
 
 
-#line 36 "hb-buffer-deserialize-text.hh"
+#line 33 "hb-buffer-deserialize-text.hh"
 static const unsigned char _deserialize_text_trans_keys[] = {
-	0u, 0u, 9u, 91u, 85u, 85u, 43u, 43u, 48u, 102u, 9u, 85u, 48u, 57u, 45u, 57u, 
-	48u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 44u, 44u, 45u, 57u, 48u, 57u, 44u, 57u, 
-	43u, 124u, 45u, 57u, 48u, 57u, 9u, 124u, 9u, 124u, 0u, 0u, 9u, 85u, 9u, 124u, 
+	0u, 0u, 9u, 91u, 85u, 85u, 43u, 43u, 48u, 102u, 9u, 85u, 48u, 57u, 48u, 57u, 
+	45u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 44u, 44u, 
+	45u, 57u, 48u, 57u, 44u, 57u, 43u, 124u, 9u, 124u, 9u, 124u, 0u, 0u, 9u, 85u, 
 	9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 
-	9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 0
+	9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 
+	0
 };
 
 static const char _deserialize_text_key_spans[] = {
-	0, 83, 1, 1, 55, 77, 10, 13, 
-	10, 10, 13, 10, 1, 13, 10, 14, 
-	82, 13, 10, 116, 116, 0, 77, 116, 
+	0, 83, 1, 1, 55, 77, 10, 10, 
+	13, 10, 13, 10, 10, 13, 10, 1, 
+	13, 10, 14, 82, 116, 116, 0, 77, 
 	116, 116, 116, 116, 116, 116, 116, 116, 
-	116, 116, 116, 116, 116
+	116, 116, 116, 116, 116, 116, 116, 116
 };
 
 static const short _deserialize_text_index_offsets[] = {
 	0, 0, 84, 86, 88, 144, 222, 233, 
-	247, 258, 269, 283, 294, 296, 310, 321, 
-	336, 419, 433, 444, 561, 678, 679, 757, 
-	874, 991, 1108, 1225, 1342, 1459, 1576, 1693, 
-	1810, 1927, 2044, 2161, 2278
+	244, 258, 269, 283, 294, 305, 319, 330, 
+	332, 346, 357, 372, 455, 572, 689, 690, 
+	768, 885, 1002, 1119, 1236, 1353, 1470, 1587, 
+	1704, 1821, 1938, 2055, 2172, 2289, 2406, 2523
 };
 
 static const char _deserialize_text_indicies[] = {
@@ -87,210 +88,226 @@ static const char _deserialize_text_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 4, 1, 8, 
 	9, 9, 9, 9, 9, 9, 9, 9, 
-	9, 1, 10, 1, 1, 11, 12, 12, 
-	12, 12, 12, 12, 12, 12, 12, 1, 
+	9, 1, 10, 11, 11, 11, 11, 11, 
+	11, 11, 11, 11, 1, 12, 1, 1, 
 	13, 14, 14, 14, 14, 14, 14, 14, 
 	14, 14, 1, 15, 16, 16, 16, 16, 
 	16, 16, 16, 16, 16, 1, 17, 1, 
 	1, 18, 19, 19, 19, 19, 19, 19, 
 	19, 19, 19, 1, 20, 21, 21, 21, 
 	21, 21, 21, 21, 21, 21, 1, 22, 
-	1, 23, 1, 1, 24, 25, 25, 25, 
-	25, 25, 25, 25, 25, 25, 1, 26, 
-	27, 27, 27, 27, 27, 27, 27, 27, 
-	27, 1, 22, 1, 1, 1, 21, 21, 
-	21, 21, 21, 21, 21, 21, 21, 21, 
-	1, 28, 28, 1, 1, 1, 1, 1, 
+	23, 23, 23, 23, 23, 23, 23, 23, 
+	23, 1, 24, 1, 1, 25, 26, 26, 
+	26, 26, 26, 26, 26, 26, 26, 1, 
+	27, 28, 28, 28, 28, 28, 28, 28, 
+	28, 28, 1, 29, 1, 30, 1, 1, 
+	31, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 1, 33, 34, 34, 34, 34, 
+	34, 34, 34, 34, 34, 1, 29, 1, 
+	1, 1, 28, 28, 28, 28, 28, 28, 
+	28, 28, 28, 28, 1, 35, 35, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 35, 
+	1, 1, 35, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 28, 1, 1, 28, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 35, 35, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 28, 28, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 35, 1, 
+	36, 36, 36, 36, 36, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 36, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 28, 1, 29, 1, 1, 30, 
-	31, 31, 31, 31, 31, 31, 31, 31, 
-	31, 1, 32, 33, 33, 33, 33, 33, 
-	33, 33, 33, 33, 1, 34, 34, 34, 
-	34, 34, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 1, 1, 1, 38, 39, 1, 1, 
+	37, 37, 37, 37, 37, 37, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 34, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 1, 1, 
-	1, 36, 37, 1, 1, 35, 35, 35, 
-	35, 35, 35, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	37, 37, 37, 37, 37, 37, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 35, 35, 35, 
-	35, 35, 35, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 40, 1, 41, 41, 41, 
+	41, 41, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	38, 1, 39, 39, 39, 39, 39, 1, 
+	1, 1, 1, 1, 41, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 39, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 42, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 40, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	43, 1, 1, 7, 7, 7, 7, 7, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 41, 1, 1, 
-	7, 7, 7, 7, 7, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 7, 
+	1, 1, 7, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 4, 
+	1, 44, 44, 44, 44, 44, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 4, 1, 42, 42, 
-	42, 42, 42, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 42, 1, 1, 
+	44, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 45, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 43, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 46, 1, 44, 44, 
+	44, 44, 44, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 44, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 1, 
+	1, 1, 1, 45, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 44, 1, 42, 42, 42, 42, 42, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 42, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 45, 45, 45, 45, 45, 45, 
-	45, 45, 45, 45, 1, 1, 1, 1, 
-	43, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 46, 1, 49, 49, 49, 49, 49, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 49, 48, 48, 50, 48, 48, 
+	48, 48, 48, 48, 48, 51, 1, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 52, 
+	48, 48, 53, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 54, 55, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 56, 48, 
+	57, 57, 57, 57, 57, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 57, 
+	35, 35, 58, 35, 35, 35, 35, 35, 
+	35, 35, 59, 1, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 60, 35, 35, 61, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 62, 63, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 35, 35, 35, 35, 35, 
+	35, 35, 35, 64, 35, 65, 65, 65, 
+	65, 65, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 65, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 44, 1, 
-	47, 47, 47, 47, 47, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 47, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 48, 1, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 49, 46, 46, 50, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 51, 52, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 53, 46, 54, 54, 54, 
-	54, 54, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 54, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 55, 
-	1, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 56, 28, 28, 57, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	58, 59, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	28, 28, 28, 28, 28, 28, 28, 28, 
-	60, 28, 61, 61, 61, 61, 61, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 61, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 62, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 66, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	67, 1, 68, 68, 68, 68, 68, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 63, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 68, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 64, 1, 65, 
-	65, 65, 65, 65, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 65, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 42, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 69, 1, 70, 
+	70, 70, 70, 70, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 70, 48, 
+	48, 50, 48, 48, 48, 48, 48, 48, 
+	48, 51, 1, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 52, 48, 48, 53, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 54, 55, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 56, 48, 71, 71, 71, 71, 
+	71, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 40, 1, 1, 1, 1, 
+	1, 1, 1, 71, 1, 1, 72, 1, 
+	1, 1, 1, 1, 1, 1, 1, 73, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 66, 1, 67, 67, 67, 67, 
-	67, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 67, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 48, 1, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	49, 46, 46, 50, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 51, 
-	52, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 46, 
-	46, 46, 46, 46, 46, 46, 46, 53, 
-	46, 68, 68, 68, 68, 68, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	68, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 69, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	74, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	70, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 75, 
+	1, 76, 76, 76, 76, 76, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 43, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	76, 1, 1, 77, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 71, 1, 72, 72, 
-	72, 72, 72, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 72, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	73, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 78, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 74, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 79, 1, 76, 76, 
+	76, 76, 76, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 76, 1, 1, 
+	77, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 75, 1, 72, 72, 72, 72, 72, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 72, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 73, 1, 1, 
-	1, 1, 27, 27, 27, 27, 27, 27, 
-	27, 27, 27, 27, 1, 1, 1, 1, 
+	1, 1, 78, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 79, 1, 71, 71, 71, 71, 71, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 71, 1, 1, 72, 1, 1, 
+	1, 1, 1, 1, 1, 1, 73, 1, 
+	1, 1, 16, 16, 16, 16, 16, 16, 
+	16, 16, 16, 16, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
@@ -299,109 +316,128 @@ static const char _deserialize_text_indicies[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 75, 1, 
-	68, 68, 68, 68, 68, 1, 1, 1, 
+	80, 80, 80, 80, 80, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 80, 
+	1, 1, 81, 1, 1, 1, 1, 1, 
+	1, 1, 82, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 83, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 1, 68, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 69, 1, 1, 1, 1, 76, 
-	76, 76, 76, 76, 76, 76, 76, 76, 
-	76, 1, 1, 1, 1, 1, 1, 70, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 45, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 43, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 84, 1, 85, 85, 85, 
+	85, 85, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 85, 1, 1, 86, 
+	1, 1, 1, 1, 1, 1, 1, 87, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 71, 1, 77, 77, 77, 
-	77, 77, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 77, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 88, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 78, 1, 1, 1, 1, 1, 1, 
+	89, 1, 85, 85, 85, 85, 85, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 85, 1, 1, 86, 1, 1, 1, 
+	1, 1, 1, 1, 87, 1, 1, 1, 
+	1, 34, 34, 34, 34, 34, 34, 34, 
+	34, 34, 34, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	79, 1, 77, 77, 77, 77, 77, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 77, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 88, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 33, 33, 33, 33, 33, 33, 33, 
-	33, 33, 33, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 89, 1, 80, 
+	80, 80, 80, 80, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 78, 1, 
+	1, 1, 1, 1, 1, 1, 80, 1, 
+	1, 81, 1, 1, 1, 1, 1, 1, 
+	1, 82, 1, 1, 1, 1, 90, 90, 
+	90, 90, 90, 90, 90, 90, 90, 90, 
+	1, 1, 1, 1, 1, 1, 83, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 79, 1, 61, 
-	61, 61, 61, 61, 1, 1, 1, 1, 
+	1, 1, 1, 45, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 1, 1, 1, 61, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 62, 1, 1, 1, 14, 14, 
-	14, 14, 14, 14, 14, 14, 14, 14, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 84, 1, 65, 65, 65, 65, 
+	65, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 65, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 91, 91, 91, 91, 91, 
+	91, 91, 91, 91, 91, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 1, 63, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
 	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 64, 1, 0
+	66, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 1, 1, 1, 1, 67, 
+	1, 0
 };
 
 static const char _deserialize_text_trans_targs[] = {
-	1, 0, 2, 25, 3, 4, 19, 5, 
-	23, 24, 8, 27, 36, 27, 36, 30, 
-	33, 11, 12, 15, 12, 15, 13, 14, 
-	31, 32, 31, 32, 26, 18, 34, 35, 
-	34, 35, 20, 19, 6, 21, 22, 20, 
-	21, 22, 20, 21, 22, 24, 26, 26, 
-	7, 9, 10, 16, 21, 29, 26, 7, 
-	9, 10, 16, 21, 29, 28, 17, 21, 
-	29, 28, 29, 29, 28, 7, 10, 29, 
-	28, 7, 21, 29, 33, 28, 21, 29
+	1, 0, 2, 26, 3, 4, 20, 5, 
+	24, 25, 28, 39, 9, 31, 34, 31, 
+	34, 11, 32, 33, 32, 33, 35, 38, 
+	14, 15, 18, 15, 18, 16, 17, 36, 
+	37, 36, 37, 27, 21, 20, 6, 22, 
+	23, 21, 22, 23, 21, 22, 23, 25, 
+	27, 27, 7, 8, 12, 13, 19, 22, 
+	30, 27, 7, 8, 12, 13, 19, 22, 
+	30, 29, 22, 30, 29, 30, 30, 29, 
+	7, 10, 22, 30, 29, 7, 22, 30, 
+	29, 7, 8, 13, 30, 29, 7, 8, 
+	22, 30, 38, 39
 };
 
 static const char _deserialize_text_trans_actions[] = {
 	0, 0, 0, 0, 1, 0, 2, 0, 
-	2, 2, 3, 4, 4, 5, 5, 4, 
-	4, 3, 3, 3, 0, 0, 6, 3, 
-	4, 4, 5, 5, 5, 3, 4, 4, 
-	5, 5, 7, 8, 9, 7, 7, 0, 
-	0, 0, 10, 10, 10, 8, 12, 13, 
-	14, 14, 14, 15, 11, 11, 17, 18, 
-	18, 18, 0, 16, 16, 19, 20, 19, 
-	19, 0, 0, 13, 10, 21, 21, 10, 
-	22, 23, 22, 22, 5, 24, 24, 24
+	2, 2, 3, 3, 4, 3, 3, 5, 
+	5, 4, 3, 3, 5, 5, 3, 3, 
+	4, 4, 4, 0, 0, 6, 4, 3, 
+	3, 5, 5, 5, 7, 8, 9, 7, 
+	7, 0, 0, 0, 10, 10, 10, 8, 
+	12, 13, 14, 14, 14, 14, 15, 11, 
+	11, 17, 18, 18, 18, 18, 0, 16, 
+	16, 19, 19, 19, 0, 0, 13, 20, 
+	21, 21, 20, 20, 22, 23, 22, 22, 
+	10, 24, 24, 24, 10, 25, 26, 26, 
+	25, 25, 5, 5
 };
 
 static const char _deserialize_text_eof_actions[] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 7, 0, 0, 0, 10, 
-	10, 11, 16, 19, 0, 11, 10, 22, 
-	22, 10, 24, 24, 19
+	0, 0, 0, 0, 7, 0, 0, 0, 
+	10, 10, 11, 16, 19, 0, 11, 20, 
+	22, 22, 20, 10, 25, 25, 10, 19
 };
 
 static const int deserialize_text_start = 1;
-static const int deserialize_text_first_final = 19;
+static const int deserialize_text_first_final = 20;
 static const int deserialize_text_error = 0;
 
 static const int deserialize_text_en_main = 1;
 
 
-#line 114 "hb-buffer-deserialize-text.rl"
+#line 117 "hb-buffer-deserialize-text.rl"
 
 
 static hb_bool_t
@@ -424,12 +460,12 @@ _hb_buffer_deserialize_text (hb_buffer_t *buffer,
   hb_glyph_info_t info = {0};
   hb_glyph_position_t pos = {0};
   
-#line 428 "hb-buffer-deserialize-text.hh"
+#line 457 "hb-buffer-deserialize-text.hh"
 	{
 	cs = deserialize_text_start;
 	}
 
-#line 433 "hb-buffer-deserialize-text.hh"
+#line 460 "hb-buffer-deserialize-text.hh"
 	{
 	int _slen;
 	int _trans;
@@ -457,11 +493,11 @@ _resume:
 	case 1:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 	break;
-	case 3:
+	case 4:
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
 	tok = p;
@@ -489,7 +525,7 @@ _resume:
 #line 66 "hb-buffer-deserialize-text.rl"
 	{if (!parse_hex (tok, p, &info.codepoint )) return false; }
 	break;
-	case 21:
+	case 24:
 #line 68 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_uint (tok, p, &info.cluster )) return false; }
 	break;
@@ -497,26 +533,30 @@ _resume:
 #line 69 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.x_offset )) return false; }
 	break;
-	case 23:
+	case 26:
 #line 70 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
 	break;
-	case 20:
+	case 21:
 #line 71 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
 	break;
+	case 23:
+#line 72 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
+	break;
 	case 15:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
 	tok = p;
 }
 	break;
-	case 4:
+	case 3:
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
 	tok = p;
@@ -574,7 +614,7 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-	case 22:
+	case 25:
 #line 70 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -586,7 +626,7 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-	case 19:
+	case 20:
 #line 71 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -598,7 +638,7 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-	case 24:
+	case 22:
 #line 72 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -610,11 +650,23 @@ _resume:
 	*end_ptr = p;
 }
 	break;
+	case 19:
+#line 73 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_uint (tok, p, &info.mask    )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (unlikely (!buffer->successful))
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
 	case 12:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
@@ -626,8 +678,8 @@ _resume:
 	case 14:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
@@ -665,8 +717,8 @@ _resume:
 	case 11:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
@@ -692,8 +744,8 @@ _resume:
 	case 13:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
@@ -718,7 +770,7 @@ _resume:
 	*end_ptr = p;
 }
 	break;
-#line 722 "hb-buffer-deserialize-text.hh"
+#line 715 "hb-buffer-deserialize-text.hh"
 	}
 
 _again:
@@ -772,7 +824,7 @@ _again:
 	*end_ptr = p;
 }
 	break;
-	case 22:
+	case 25:
 #line 70 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.y_offset )) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -784,7 +836,7 @@ _again:
 	*end_ptr = p;
 }
 	break;
-	case 19:
+	case 20:
 #line 71 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.x_advance)) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -796,7 +848,7 @@ _again:
 	*end_ptr = p;
 }
 	break;
-	case 24:
+	case 22:
 #line 72 "hb-buffer-deserialize-text.rl"
 	{ if (!parse_int  (tok, p, &pos.y_advance)) return false; }
 #line 43 "hb-buffer-deserialize-text.rl"
@@ -808,11 +860,23 @@ _again:
 	*end_ptr = p;
 }
 	break;
+	case 19:
+#line 73 "hb-buffer-deserialize-text.rl"
+	{ if (!parse_uint (tok, p, &info.mask    )) return false; }
+#line 43 "hb-buffer-deserialize-text.rl"
+	{
+	buffer->add_info (info);
+	if (unlikely (!buffer->successful))
+	  return false;
+	buffer->pos[buffer->len - 1] = pos;
+	*end_ptr = p;
+}
+	break;
 	case 11:
 #line 38 "hb-buffer-deserialize-text.rl"
 	{
-	memset (&info, 0, sizeof (info));
-	memset (&pos , 0, sizeof (pos ));
+	hb_memset (&info, 0, sizeof (info));
+	hb_memset (&pos , 0, sizeof (pos ));
 }
 #line 51 "hb-buffer-deserialize-text.rl"
 	{
@@ -835,14 +899,14 @@ _again:
 	*end_ptr = p;
 }
 	break;
-#line 839 "hb-buffer-deserialize-text.hh"
+#line 825 "hb-buffer-deserialize-text.hh"
 	}
 	}
 
 	_out: {}
 	}
 
-#line 138 "hb-buffer-deserialize-text.rl"
+#line 141 "hb-buffer-deserialize-text.rl"
 
 
   *end_ptr = p;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc
index 6539b89640..a458f2318f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc
@@ -31,7 +31,7 @@
 #include "hb-buffer.hh"
 
 
-static const char *serialize_formats[] = {
+static const char *_hb_buffer_serialize_formats[] = {
   "text",
   "json",
   nullptr
@@ -50,13 +50,13 @@ static const char *serialize_formats[] = {
 const char **
 hb_buffer_serialize_list_formats ()
 {
-  return serialize_formats;
+  return _hb_buffer_serialize_formats;
 }
 
 /**
  * hb_buffer_serialize_format_from_string:
  * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
+ * @len: length of @str, or -1 if string is `NULL` terminated
  *
  * Parses a string into an #hb_buffer_serialize_format_t. Does not check if
  * @str is a valid buffer serialization format, use
@@ -78,11 +78,11 @@ hb_buffer_serialize_format_from_string (const char *str, int len)
  * hb_buffer_serialize_format_to_string:
  * @format: an #hb_buffer_serialize_format_t to convert.
  *
- * Converts @format to the string corresponding it, or %NULL if it is not a valid
+ * Converts @format to the string corresponding it, or `NULL` if it is not a valid
  * #hb_buffer_serialize_format_t.
  *
  * Return value: (transfer none):
- * A %NULL terminated string corresponding to @format. Should not be freed.
+ * A `NULL` terminated string corresponding to @format. Should not be freed.
  *
  * Since: 0.9.7
  **/
@@ -91,8 +91,8 @@ hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format)
 {
   switch ((unsigned) format)
   {
-    case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0];
-    case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1];
+    case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return _hb_buffer_serialize_formats[0];
+    case HB_BUFFER_SERIALIZE_FORMAT_JSON: return _hb_buffer_serialize_formats[1];
     default:
     case HB_BUFFER_SERIALIZE_FORMAT_INVALID:  return nullptr;
   }
@@ -183,7 +183,7 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
     unsigned int l = p - b;
     if (buf_size > l)
     {
-      memcpy (buf, b, l);
+      hb_memcpy (buf, b, l);
       buf += l;
       buf_size -= l;
       *buf_consumed += l;
@@ -241,7 +241,7 @@ _hb_buffer_serialize_unicode_json (hb_buffer_t *buffer,
     unsigned int l = p - b;
     if (buf_size > l)
     {
-      memcpy (buf, b, l);
+      hb_memcpy (buf, b, l);
       buf += l;
       buf_size -= l;
       *buf_consumed += l;
@@ -329,7 +329,7 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
     unsigned int l = p - b;
     if (buf_size > l)
     {
-      memcpy (buf, b, l);
+      hb_memcpy (buf, b, l);
       buf += l;
       buf_size -= l;
       *buf_consumed += l;
@@ -381,7 +381,7 @@ _hb_buffer_serialize_unicode_text (hb_buffer_t *buffer,
     unsigned int l = p - b;
     if (buf_size > l)
     {
-      memcpy (buf, b, l);
+      hb_memcpy (buf, b, l);
       buf += l;
       buf_size -= l;
       *buf_consumed += l;
@@ -400,9 +400,9 @@ _hb_buffer_serialize_unicode_text (hb_buffer_t *buffer,
  * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
  *       write serialized buffer into.
  * @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
  * @font: (nullable): the #hb_font_t used to shape this buffer, needed to
- *        read glyph names and extents. If %NULL, and empty font will be used.
+ *        read glyph names and extents. If `NULL`, an empty font will be used.
  * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
  * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
  *         to serialize.
@@ -514,7 +514,7 @@ hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
  * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
  *       write serialized buffer into.
  * @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
  * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
  * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
  *         to serialize.
@@ -637,9 +637,9 @@ _hb_buffer_serialize_invalid (hb_buffer_t *buffer,
  * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
  *       write serialized buffer into.
  * @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
  * @font: (nullable): the #hb_font_t used to shape this buffer, needed to
- *        read glyph names and extents. If %NULL, and empty font will be used.
+ *        read glyph names and extents. If `NULL`, an empty font will be used.
  * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
  * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
  *         to serialize.
@@ -727,7 +727,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv)
  * hb_buffer_deserialize_glyphs:
  * @buffer: an #hb_buffer_t buffer.
  * @buf: (array length=buf_len): string to deserialize
- * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated
  * @end_ptr: (out) (optional): output pointer to the character after last
  *                               consumed one.
  * @font: (nullable): font for getting glyph IDs
@@ -736,7 +736,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv)
  * Deserializes glyphs @buffer from textual representation in the format
  * produced by hb_buffer_serialize_glyphs().
  *
- * Return value: %true if @buf is not fully consumed, %false otherwise.
+ * Return value: `true` if @buf is not fully consumed, `false` otherwise.
  *
  * Since: 0.9.7
  **/
@@ -800,7 +800,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
  * hb_buffer_deserialize_unicode:
  * @buffer: an #hb_buffer_t buffer.
  * @buf: (array length=buf_len): string to deserialize
- * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated
  * @end_ptr: (out) (optional): output pointer to the character after last
  *                               consumed one.
  * @format: the #hb_buffer_serialize_format_t of the input @buf
@@ -808,7 +808,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
  * Deserializes Unicode @buffer from textual representation in the format
  * produced by hb_buffer_serialize_unicode().
  *
- * Return value: %true if @buf is not fully consumed, %false otherwise.
+ * Return value: `true` if @buf is not fully consumed, `false` otherwise.
  *
  * Since: 2.7.3
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc
index dea2c11c35..1cd52b39b1 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc
@@ -102,9 +102,9 @@ buffer_verify_unsafe_to_break (hb_buffer_t  *buffer,
   /* Check that breaking up shaping at safe-to-break is indeed safe. */
 
   hb_buffer_t *fragment = hb_buffer_create_similar (buffer);
-  hb_buffer_set_flags (fragment, hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY);
+  hb_buffer_set_flags (fragment, (hb_buffer_flags_t (hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY)));
   hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer);
-  hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY);
+  hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY)));
 
   unsigned int num_glyphs;
   hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
@@ -169,6 +169,12 @@ buffer_verify_unsafe_to_break (hb_buffer_t  *buffer,
       hb_buffer_destroy (fragment);
       return false;
     }
+    else if (!fragment->successful || fragment->shaping_failed)
+    {
+      hb_buffer_destroy (reconstruction);
+      hb_buffer_destroy (fragment);
+      return true;
+    }
     hb_buffer_append (reconstruction, fragment, 0, -1);
 
     start = end;
@@ -180,7 +186,7 @@ buffer_verify_unsafe_to_break (hb_buffer_t  *buffer,
 
   bool ret = true;
   hb_buffer_diff_flags_t diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
-  if (diff)
+  if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
   {
     buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-break test failed.");
     ret = false;
@@ -238,10 +244,10 @@ buffer_verify_unsafe_to_concat (hb_buffer_t        *buffer,
 
   hb_buffer_t *fragments[2] {hb_buffer_create_similar (buffer),
 			     hb_buffer_create_similar (buffer)};
-  hb_buffer_set_flags (fragments[0], hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY);
-  hb_buffer_set_flags (fragments[1], hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY);
+  hb_buffer_set_flags (fragments[0], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY)));
+  hb_buffer_set_flags (fragments[1], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY)));
   hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer);
-  hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY);
+  hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY)));
   hb_segment_properties_t props;
   hb_buffer_get_segment_properties (buffer, &props);
   hb_buffer_set_segment_properties (fragments[0], &props);
@@ -307,7 +313,6 @@ buffer_verify_unsafe_to_concat (hb_buffer_t        *buffer,
 
   bool ret = true;
   hb_buffer_diff_flags_t diff;
-
   /*
    * Shape the two fragment streams.
    */
@@ -317,12 +322,22 @@ buffer_verify_unsafe_to_concat (hb_buffer_t        *buffer,
     ret = false;
     goto out;
   }
+  else if (!fragments[0]->successful || fragments[0]->shaping_failed)
+  {
+    ret = true;
+    goto out;
+  }
   if (!hb_shape_full (font, fragments[1], features, num_features, shapers))
   {
     buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment.");
     ret = false;
     goto out;
   }
+  else if (!fragments[1]->successful || fragments[1]->shaping_failed)
+  {
+    ret = true;
+    goto out;
+  }
 
   if (!forward)
   {
@@ -366,7 +381,7 @@ buffer_verify_unsafe_to_concat (hb_buffer_t        *buffer,
    * Diff results.
    */
   diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
-  if (diff)
+  if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
   {
     buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-concat test failed.");
     ret = false;
@@ -402,6 +417,7 @@ hb_buffer_t::verify (hb_buffer_t        *text_buffer,
     ret = false;
   if (!ret)
   {
+#ifndef HB_NO_BUFFER_SERIALIZE
     unsigned len = text_buffer->len;
     hb_vector_t<char> bytes;
     if (likely (bytes.resize (len * 10 + 16)))
@@ -414,6 +430,7 @@ hb_buffer_t::verify (hb_buffer_t        *text_buffer,
 				   HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS);
       buffer_verify_error (this, font, BUFFER_VERIFY_ERROR "text was: %s.", bytes.arrayZ);
     }
+#endif
   }
   return ret;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc
index 6a9ee3ccc8..4b6c2d9eaa 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc
@@ -51,7 +51,7 @@
  * Checks the equality of two #hb_segment_properties_t's.
  *
  * Return value:
- * %true if all properties of @a equal those of @b, %false otherwise.
+ * `true` if all properties of @a equal those of @b, `false` otherwise.
  *
  * Since: 0.9.7
  **/
@@ -81,8 +81,8 @@ hb_segment_properties_equal (const hb_segment_properties_t *a,
 unsigned int
 hb_segment_properties_hash (const hb_segment_properties_t *p)
 {
-  return (unsigned int) p->direction ^
-	 (unsigned int) p->script ^
+  return ((unsigned int) p->direction * 31 +
+	  (unsigned int) p->script) * 31 +
 	 (intptr_t) (p->language);
 }
 
@@ -172,12 +172,13 @@ hb_buffer_t::enlarge (unsigned int size)
   while (size >= new_allocated)
     new_allocated += (new_allocated >> 1) + 32;
 
-  static_assert ((sizeof (info[0]) == sizeof (pos[0])), "");
-  if (unlikely (hb_unsigned_mul_overflows (new_allocated, sizeof (info[0]))))
+  unsigned new_bytes;
+  if (unlikely (hb_unsigned_mul_overflows (new_allocated, sizeof (info[0]), &new_bytes)))
     goto done;
 
-  new_pos = (hb_glyph_position_t *) hb_realloc (pos, new_allocated * sizeof (pos[0]));
-  new_info = (hb_glyph_info_t *) hb_realloc (info, new_allocated * sizeof (info[0]));
+  static_assert (sizeof (info[0]) == sizeof (pos[0]), "");
+  new_pos = (hb_glyph_position_t *) hb_realloc (pos, new_bytes);
+  new_info = (hb_glyph_info_t *) hb_realloc (info, new_bytes);
 
 done:
   if (unlikely (!new_pos || !new_info))
@@ -208,7 +209,7 @@ hb_buffer_t::make_room_for (unsigned int num_in,
     assert (have_output);
 
     out_info = (hb_glyph_info_t *) pos;
-    memcpy (out_info, info, out_len * sizeof (out_info[0]));
+    hb_memcpy (out_info, info, out_len * sizeof (out_info[0]));
   }
 
   return true;
@@ -229,7 +230,7 @@ hb_buffer_t::shift_forward (unsigned int count)
      * Ideally, we should at least set Default_Ignorable bits on
      * these, as well as consistent cluster values.  But the former
      * is layering violation... */
-    memset (info + len, 0, (idx + count - len) * sizeof (info[0]));
+    hb_memset (info + len, 0, (idx + count - len) * sizeof (info[0]));
   }
   len += count;
   idx += count;
@@ -289,6 +290,7 @@ hb_buffer_t::clear ()
   props = default_props;
 
   successful = true;
+  shaping_failed = false;
   have_output = false;
   have_positions = false;
 
@@ -297,8 +299,8 @@ hb_buffer_t::clear ()
   out_len = 0;
   out_info = info;
 
-  memset (context, 0, sizeof context);
-  memset (context_len, 0, sizeof context_len);
+  hb_memset (context, 0, sizeof context);
+  hb_memset (context_len, 0, sizeof context_len);
 
   deallocate_var_all ();
   serial = 0;
@@ -310,16 +312,16 @@ hb_buffer_t::enter ()
 {
   deallocate_var_all ();
   serial = 0;
+  shaping_failed = false;
   scratch_flags = HB_BUFFER_SCRATCH_FLAG_DEFAULT;
-  if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_LEN_FACTOR)))
+  unsigned mul;
+  if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_LEN_FACTOR, &mul)))
   {
-    max_len = hb_max (len * HB_BUFFER_MAX_LEN_FACTOR,
-		      (unsigned) HB_BUFFER_MAX_LEN_MIN);
+    max_len = hb_max (mul, (unsigned) HB_BUFFER_MAX_LEN_MIN);
   }
-  if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_OPS_FACTOR)))
+  if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_OPS_FACTOR, &mul)))
   {
-    max_ops = hb_max (len * HB_BUFFER_MAX_OPS_FACTOR,
-		      (unsigned) HB_BUFFER_MAX_OPS_MIN);
+    max_ops = hb_max (mul, (unsigned) HB_BUFFER_MAX_OPS_MIN);
   }
 }
 void
@@ -329,6 +331,7 @@ hb_buffer_t::leave ()
   max_ops = HB_BUFFER_MAX_OPS_DEFAULT;
   deallocate_var_all ();
   serial = 0;
+  // Intentionally not reseting shaping_failed, such that it can be inspected.
 }
 
 
@@ -342,7 +345,7 @@ hb_buffer_t::add (hb_codepoint_t  codepoint,
 
   glyph = &info[len];
 
-  memset (glyph, 0, sizeof (*glyph));
+  hb_memset (glyph, 0, sizeof (*glyph));
   glyph->codepoint = codepoint;
   glyph->mask = 0;
   glyph->cluster = cluster;
@@ -384,9 +387,11 @@ hb_buffer_t::clear_positions ()
   hb_memset (pos, 0, sizeof (pos[0]) * len);
 }
 
-void
+bool
 hb_buffer_t::sync ()
 {
+  bool ret = false;
+
   assert (have_output);
 
   assert (idx <= len);
@@ -400,12 +405,39 @@ hb_buffer_t::sync ()
     info = out_info;
   }
   len = out_len;
+  ret = true;
 
 reset:
   have_output = false;
   out_len = 0;
   out_info = info;
   idx = 0;
+
+  return ret;
+}
+
+int
+hb_buffer_t::sync_so_far ()
+{
+  bool had_output = have_output;
+  unsigned out_i = out_len;
+  unsigned i = idx;
+  unsigned old_idx = idx;
+
+  if (sync ())
+    idx = out_i;
+  else
+    idx = i;
+
+  if (had_output)
+  {
+    have_output = true;
+    out_len = idx;
+  }
+
+  assert (idx <= len);
+
+  return idx - old_idx;
 }
 
 bool
@@ -542,7 +574,8 @@ hb_buffer_t::delete_glyph ()
   /* The logic here is duplicated in hb_ot_hide_default_ignorables(). */
 
   unsigned int cluster = info[idx].cluster;
-  if (idx + 1 < len && cluster == info[idx + 1].cluster)
+  if ((idx + 1 < len && cluster == info[idx + 1].cluster) ||
+      (out_len && cluster == out_info[out_len - 1].cluster))
   {
     /* Cluster survives; do nothing. */
     goto done;
@@ -573,6 +606,53 @@ done:
 }
 
 void
+hb_buffer_t::delete_glyphs_inplace (bool (*filter) (const hb_glyph_info_t *info))
+{
+  /* Merge clusters and delete filtered glyphs.
+   * NOTE! We can't use out-buffer as we have positioning data. */
+  unsigned int j = 0;
+  unsigned int count = len;
+  for (unsigned int i = 0; i < count; i++)
+  {
+    if (filter (&info[i]))
+    {
+      /* Merge clusters.
+       * Same logic as delete_glyph(), but for in-place removal. */
+
+      unsigned int cluster = info[i].cluster;
+      if (i + 1 < count && cluster == info[i + 1].cluster)
+	continue; /* Cluster survives; do nothing. */
+
+      if (j)
+      {
+	/* Merge cluster backward. */
+	if (cluster < info[j - 1].cluster)
+	{
+	  unsigned int mask = info[i].mask;
+	  unsigned int old_cluster = info[j - 1].cluster;
+	  for (unsigned k = j; k && info[k - 1].cluster == old_cluster; k--)
+	    set_cluster (info[k - 1], cluster, mask);
+	}
+	continue;
+      }
+
+      if (i + 1 < count)
+	merge_clusters (i, i + 2); /* Merge cluster forward. */
+
+      continue;
+    }
+
+    if (j != i)
+    {
+      info[j] = info[i];
+      pos[j] = pos[i];
+    }
+    j++;
+  }
+  len = j;
+}
+
+void
 hb_buffer_t::guess_segment_properties ()
 {
   assert_unicode ();
@@ -623,6 +703,7 @@ DEFINE_NULL_INSTANCE (hb_buffer_t) =
   HB_SEGMENT_PROPERTIES_DEFAULT,
 
   false, /* successful */
+  true, /* shaping_failed */
   false, /* have_output */
   true  /* have_positions */
 
@@ -631,16 +712,16 @@ DEFINE_NULL_INSTANCE (hb_buffer_t) =
 
 
 /**
- * hb_buffer_create: (Xconstructor)
+ * hb_buffer_create:
  *
  * Creates a new #hb_buffer_t with all properties to defaults.
  *
  * Return value: (transfer full):
  * A newly allocated #hb_buffer_t with a reference count of 1. The initial
  * reference count should be released with hb_buffer_destroy() when you are done
- * using the #hb_buffer_t. This function never returns %NULL. If memory cannot
+ * using the #hb_buffer_t. This function never returns `NULL`. If memory cannot
  * be allocated, a special #hb_buffer_t object will be returned on which
- * hb_buffer_allocation_successful() returns %false.
+ * hb_buffer_allocation_successful() returns `false`.
  *
  * Since: 0.9.2
  **/
@@ -770,7 +851,7 @@ hb_buffer_destroy (hb_buffer_t *buffer)
  *
  * Attaches a user-data key/data pair to the specified buffer. 
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -797,7 +878,7 @@ hb_buffer_set_user_data (hb_buffer_t        *buffer,
  * Since: 0.9.2
  **/
 void *
-hb_buffer_get_user_data (hb_buffer_t        *buffer,
+hb_buffer_get_user_data (const hb_buffer_t  *buffer,
 			 hb_user_data_key_t *key)
 {
   return hb_object_get_user_data (buffer, key);
@@ -834,7 +915,7 @@ hb_buffer_set_content_type (hb_buffer_t              *buffer,
  * Since: 0.9.5
  **/
 hb_buffer_content_type_t
-hb_buffer_get_content_type (hb_buffer_t *buffer)
+hb_buffer_get_content_type (const hb_buffer_t *buffer)
 {
   return buffer->content_type;
 }
@@ -876,7 +957,7 @@ hb_buffer_set_unicode_funcs (hb_buffer_t        *buffer,
  * Since: 0.9.2
  **/
 hb_unicode_funcs_t *
-hb_buffer_get_unicode_funcs (hb_buffer_t        *buffer)
+hb_buffer_get_unicode_funcs (const hb_buffer_t *buffer)
 {
   return buffer->unicode;
 }
@@ -899,7 +980,6 @@ hb_buffer_get_unicode_funcs (hb_buffer_t        *buffer)
 void
 hb_buffer_set_direction (hb_buffer_t    *buffer,
 			 hb_direction_t  direction)
-
 {
   if (unlikely (hb_object_is_immutable (buffer)))
     return;
@@ -919,7 +999,7 @@ hb_buffer_set_direction (hb_buffer_t    *buffer,
  * Since: 0.9.2
  **/
 hb_direction_t
-hb_buffer_get_direction (hb_buffer_t    *buffer)
+hb_buffer_get_direction (const hb_buffer_t *buffer)
 {
   return buffer->props.direction;
 }
@@ -963,7 +1043,7 @@ hb_buffer_set_script (hb_buffer_t *buffer,
  * Since: 0.9.2
  **/
 hb_script_t
-hb_buffer_get_script (hb_buffer_t *buffer)
+hb_buffer_get_script (const hb_buffer_t *buffer)
 {
   return buffer->props.script;
 }
@@ -1007,7 +1087,7 @@ hb_buffer_set_language (hb_buffer_t   *buffer,
  * Since: 0.9.2
  **/
 hb_language_t
-hb_buffer_get_language (hb_buffer_t *buffer)
+hb_buffer_get_language (const hb_buffer_t *buffer)
 {
   return buffer->props.language;
 }
@@ -1043,7 +1123,7 @@ hb_buffer_set_segment_properties (hb_buffer_t *buffer,
  * Since: 0.9.7
  **/
 void
-hb_buffer_get_segment_properties (hb_buffer_t *buffer,
+hb_buffer_get_segment_properties (const hb_buffer_t *buffer,
 				  hb_segment_properties_t *props)
 {
   *props = buffer->props;
@@ -1081,7 +1161,7 @@ hb_buffer_set_flags (hb_buffer_t       *buffer,
  * Since: 0.9.7
  **/
 hb_buffer_flags_t
-hb_buffer_get_flags (hb_buffer_t *buffer)
+hb_buffer_get_flags (const hb_buffer_t *buffer)
 {
   return buffer->flags;
 }
@@ -1120,7 +1200,7 @@ hb_buffer_set_cluster_level (hb_buffer_t               *buffer,
  * Since: 0.9.42
  **/
 hb_buffer_cluster_level_t
-hb_buffer_get_cluster_level (hb_buffer_t *buffer)
+hb_buffer_get_cluster_level (const hb_buffer_t *buffer)
 {
   return buffer->cluster_level;
 }
@@ -1161,7 +1241,7 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t    *buffer,
  * Since: 0.9.31
  **/
 hb_codepoint_t
-hb_buffer_get_replacement_codepoint (hb_buffer_t    *buffer)
+hb_buffer_get_replacement_codepoint (const hb_buffer_t *buffer)
 {
   return buffer->replacement;
 }
@@ -1201,7 +1281,7 @@ hb_buffer_set_invisible_glyph (hb_buffer_t    *buffer,
  * Since: 2.0.0
  **/
 hb_codepoint_t
-hb_buffer_get_invisible_glyph (hb_buffer_t    *buffer)
+hb_buffer_get_invisible_glyph (const hb_buffer_t *buffer)
 {
   return buffer->invisible;
 }
@@ -1241,7 +1321,7 @@ hb_buffer_set_not_found_glyph (hb_buffer_t    *buffer,
  * Since: 3.1.0
  **/
 hb_codepoint_t
-hb_buffer_get_not_found_glyph (hb_buffer_t    *buffer)
+hb_buffer_get_not_found_glyph (const hb_buffer_t *buffer)
 {
   return buffer->not_found;
 }
@@ -1273,7 +1353,7 @@ hb_buffer_clear_contents (hb_buffer_t *buffer)
  * Pre allocates memory for @buffer to fit at least @size number of items.
  *
  * Return value:
- * %true if @buffer memory allocation succeeded, %false otherwise
+ * `true` if @buffer memory allocation succeeded, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1290,7 +1370,7 @@ hb_buffer_pre_allocate (hb_buffer_t *buffer, unsigned int size)
  * Check if allocating memory for the buffer succeeded.
  *
  * Return value:
- * %true if @buffer memory allocation succeeded, %false otherwise.
+ * `true` if @buffer memory allocation succeeded, `false` otherwise.
  *
  * Since: 0.9.2
  **/
@@ -1335,7 +1415,7 @@ hb_buffer_add (hb_buffer_t    *buffer,
  * end.
  *
  * Return value:
- * %true if @buffer memory allocation succeeded, %false otherwise.
+ * `true` if @buffer memory allocation succeeded, `false` otherwise.
  *
  * Since: 0.9.2
  **/
@@ -1351,9 +1431,9 @@ hb_buffer_set_length (hb_buffer_t  *buffer,
 
   /* Wipe the new space */
   if (length > buffer->len) {
-    memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len));
+    hb_memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len));
     if (buffer->have_positions)
-      memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len));
+      hb_memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len));
   }
 
   buffer->len = length;
@@ -1381,7 +1461,7 @@ hb_buffer_set_length (hb_buffer_t  *buffer,
  * Since: 0.9.2
  **/
 unsigned int
-hb_buffer_get_length (hb_buffer_t *buffer)
+hb_buffer_get_length (const hb_buffer_t *buffer)
 {
   return buffer->len;
 }
@@ -1421,7 +1501,7 @@ hb_buffer_get_glyph_infos (hb_buffer_t  *buffer,
  * If buffer did not have positions before, the positions will be
  * initialized to zeros, unless this function is called from
  * within a buffer message callback (see hb_buffer_set_message_func()),
- * in which case %NULL is returned.
+ * in which case `NULL` is returned.
  *
  * Return value: (transfer none) (array length=length):
  * The @buffer glyph position array.
@@ -1456,7 +1536,7 @@ hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,
  * and cleared of position data when hb_buffer_clear_contents() is called.
  *
  * Return value:
- * %true if the @buffer has position array, %false otherwise.
+ * `true` if the @buffer has position array, `false` otherwise.
  *
  * Since: 2.7.3
  **/
@@ -1640,10 +1720,10 @@ hb_buffer_add_utf (hb_buffer_t  *buffer,
  * @buffer: An #hb_buffer_t
  * @text: (array length=text_length) (element-type uint8_t): An array of UTF-8
  *               characters to append.
- * @text_length: The length of the @text, or -1 if it is %NULL terminated.
+ * @text_length: The length of the @text, or -1 if it is `NULL` terminated.
  * @item_offset: The offset of the first character to add to the @buffer.
  * @item_length: The number of characters to add to the @buffer, or -1 for the
- *               end of @text (assuming it is %NULL terminated).
+ *               end of @text (assuming it is `NULL` terminated).
  *
  * See hb_buffer_add_codepoints().
  *
@@ -1666,10 +1746,10 @@ hb_buffer_add_utf8 (hb_buffer_t  *buffer,
  * hb_buffer_add_utf16:
  * @buffer: An #hb_buffer_t
  * @text: (array length=text_length): An array of UTF-16 characters to append
- * @text_length: The length of the @text, or -1 if it is %NULL terminated
+ * @text_length: The length of the @text, or -1 if it is `NULL` terminated
  * @item_offset: The offset of the first character to add to the @buffer
  * @item_length: The number of characters to add to the @buffer, or -1 for the
- *               end of @text (assuming it is %NULL terminated)
+ *               end of @text (assuming it is `NULL` terminated)
  *
  * See hb_buffer_add_codepoints().
  *
@@ -1692,10 +1772,10 @@ hb_buffer_add_utf16 (hb_buffer_t    *buffer,
  * hb_buffer_add_utf32:
  * @buffer: An #hb_buffer_t
  * @text: (array length=text_length): An array of UTF-32 characters to append
- * @text_length: The length of the @text, or -1 if it is %NULL terminated
+ * @text_length: The length of the @text, or -1 if it is `NULL` terminated
  * @item_offset: The offset of the first character to add to the @buffer
  * @item_length: The number of characters to add to the @buffer, or -1 for the
- *               end of @text (assuming it is %NULL terminated)
+ *               end of @text (assuming it is `NULL` terminated)
  *
  * See hb_buffer_add_codepoints().
  *
@@ -1719,10 +1799,10 @@ hb_buffer_add_utf32 (hb_buffer_t    *buffer,
  * @buffer: An #hb_buffer_t
  * @text: (array length=text_length) (element-type uint8_t): an array of UTF-8
  *               characters to append
- * @text_length: the length of the @text, or -1 if it is %NULL terminated
+ * @text_length: the length of the @text, or -1 if it is `NULL` terminated
  * @item_offset: the offset of the first character to add to the @buffer
  * @item_length: the number of characters to add to the @buffer, or -1 for the
- *               end of @text (assuming it is %NULL terminated)
+ *               end of @text (assuming it is `NULL` terminated)
  *
  * Similar to hb_buffer_add_codepoints(), but allows only access to first 256
  * Unicode code points that can fit in 8-bit strings.
@@ -1745,10 +1825,10 @@ hb_buffer_add_latin1 (hb_buffer_t   *buffer,
  * hb_buffer_add_codepoints:
  * @buffer: a #hb_buffer_t to append characters to.
  * @text: (array length=text_length): an array of Unicode code points to append.
- * @text_length: the length of the @text, or -1 if it is %NULL terminated.
+ * @text_length: the length of the @text, or -1 if it is `NULL` terminated.
  * @item_offset: the offset of the first code point to add to the @buffer.
  * @item_length: the number of code points to add to the @buffer, or -1 for the
- *               end of @text (assuming it is %NULL terminated).
+ *               end of @text (assuming it is `NULL` terminated).
  *
  * Appends characters from @text array to @buffer. The @item_offset is the
  * position of the first character from @text that will be appended, and
@@ -1761,7 +1841,9 @@ hb_buffer_add_latin1 (hb_buffer_t   *buffer,
  * marks at stat of run.
  *
  * This function does not check the validity of @text, it is up to the caller
- * to ensure it contains a valid Unicode code points.
+ * to ensure it contains a valid Unicode scalar values.  In contrast,
+ * hb_buffer_add_utf32() can be used that takes similar input but performs
+ * sanity-check on the input.
  *
  * Since: 0.9.31
  **/
@@ -1824,9 +1906,9 @@ hb_buffer_append (hb_buffer_t *buffer,
 
   hb_segment_properties_overlay (&buffer->props, &source->props);
 
-  memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0]));
+  hb_memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0]));
   if (buffer->have_positions)
-    memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0]));
+    hb_memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0]));
 
   if (source->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE)
   {
@@ -2014,7 +2096,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
       result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
     if (buf_info->cluster != ref_info->cluster)
       result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
-    if ((buf_info->mask & ~ref_info->mask & HB_GLYPH_FLAG_DEFINED))
+    if ((buf_info->mask ^ ref_info->mask) & HB_GLYPH_FLAG_DEFINED)
       result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
     if (contains && ref_info->codepoint == dottedcircle_glyph)
       result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;
@@ -2069,6 +2151,13 @@ hb_buffer_set_message_func (hb_buffer_t *buffer,
 			    hb_buffer_message_func_t func,
 			    void *user_data, hb_destroy_func_t destroy)
 {
+  if (unlikely (hb_object_is_immutable (buffer)))
+  {
+    if (destroy)
+      destroy (user_data);
+    return;
+  }
+
   if (buffer->message_destroy)
     buffer->message_destroy (buffer->message_data);
 
@@ -2085,8 +2174,16 @@ hb_buffer_set_message_func (hb_buffer_t *buffer,
 bool
 hb_buffer_t::message_impl (hb_font_t *font, const char *fmt, va_list ap)
 {
+  assert (!have_output || (out_info == info && out_len == idx));
+
+  message_depth++;
+
   char buf[100];
   vsnprintf (buf, sizeof (buf), fmt, ap);
-  return (bool) this->message_func (this, font, buf, this->message_data);
+  bool ret = (bool) this->message_func (this, font, buf, this->message_data);
+
+  message_depth--;
+
+  return ret;
 }
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h
index 14aaa5e1f5..8c17489835 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h
@@ -142,6 +142,15 @@ typedef struct hb_glyph_info_t {
  *				   shaping, otherwise the buffer flag will not be
  *				   reliably produced.
  * 				   Since: 4.0.0
+ * @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL: In scripts that use elongation (Arabic,
+				   Mongolian, Syriac, etc.), this flag signifies
+				   that it is safe to insert a U+0640 TATWEEL
+				   character before this cluster for elongation.
+				   This flag does not determine the
+				   script-specific elongation places, but only
+				   when it is safe to do the elongation without
+				   interrupting text shaping.
+				   Since: 5.1.0
  * @HB_GLYPH_FLAG_DEFINED: All the currently defined flags.
  *
  * Flags for #hb_glyph_info_t.
@@ -149,10 +158,11 @@ typedef struct hb_glyph_info_t {
  * Since: 1.5.0
  */
 typedef enum { /*< flags >*/
-  HB_GLYPH_FLAG_UNSAFE_TO_BREAK		= 0x00000001,
-  HB_GLYPH_FLAG_UNSAFE_TO_CONCAT	= 0x00000002,
+  HB_GLYPH_FLAG_UNSAFE_TO_BREAK			= 0x00000001,
+  HB_GLYPH_FLAG_UNSAFE_TO_CONCAT		= 0x00000002,
+  HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL		= 0x00000004,
 
-  HB_GLYPH_FLAG_DEFINED			= 0x00000003 /* OR of all defined flags */
+  HB_GLYPH_FLAG_DEFINED				= 0x00000007 /* OR of all defined flags */
 } hb_glyph_flags_t;
 
 HB_EXTERN hb_glyph_flags_t
@@ -266,7 +276,7 @@ hb_buffer_set_user_data (hb_buffer_t        *buffer,
 			 hb_bool_t           replace);
 
 HB_EXTERN void *
-hb_buffer_get_user_data (hb_buffer_t        *buffer,
+hb_buffer_get_user_data (const hb_buffer_t  *buffer,
 			 hb_user_data_key_t *key);
 
 
@@ -289,7 +299,7 @@ hb_buffer_set_content_type (hb_buffer_t              *buffer,
 			    hb_buffer_content_type_t  content_type);
 
 HB_EXTERN hb_buffer_content_type_t
-hb_buffer_get_content_type (hb_buffer_t *buffer);
+hb_buffer_get_content_type (const hb_buffer_t *buffer);
 
 
 HB_EXTERN void
@@ -297,21 +307,21 @@ hb_buffer_set_unicode_funcs (hb_buffer_t        *buffer,
 			     hb_unicode_funcs_t *unicode_funcs);
 
 HB_EXTERN hb_unicode_funcs_t *
-hb_buffer_get_unicode_funcs (hb_buffer_t        *buffer);
+hb_buffer_get_unicode_funcs (const hb_buffer_t  *buffer);
 
 HB_EXTERN void
 hb_buffer_set_direction (hb_buffer_t    *buffer,
 			 hb_direction_t  direction);
 
 HB_EXTERN hb_direction_t
-hb_buffer_get_direction (hb_buffer_t *buffer);
+hb_buffer_get_direction (const hb_buffer_t *buffer);
 
 HB_EXTERN void
 hb_buffer_set_script (hb_buffer_t *buffer,
 		      hb_script_t  script);
 
 HB_EXTERN hb_script_t
-hb_buffer_get_script (hb_buffer_t *buffer);
+hb_buffer_get_script (const hb_buffer_t *buffer);
 
 HB_EXTERN void
 hb_buffer_set_language (hb_buffer_t   *buffer,
@@ -319,14 +329,14 @@ hb_buffer_set_language (hb_buffer_t   *buffer,
 
 
 HB_EXTERN hb_language_t
-hb_buffer_get_language (hb_buffer_t *buffer);
+hb_buffer_get_language (const hb_buffer_t *buffer);
 
 HB_EXTERN void
 hb_buffer_set_segment_properties (hb_buffer_t *buffer,
 				  const hb_segment_properties_t *props);
 
 HB_EXTERN void
-hb_buffer_get_segment_properties (hb_buffer_t *buffer,
+hb_buffer_get_segment_properties (const hb_buffer_t *buffer,
 				  hb_segment_properties_t *props);
 
 HB_EXTERN void
@@ -373,6 +383,11 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
  *                      flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT
  *                      glyph-flag should be produced by the shaper. By default
  *                      it will not be produced since it incurs a cost. Since: 4.0.0
+ * @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL:
+ *                      flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL
+ *                      glyph-flag should be produced by the shaper. By default
+ *                      it will not be produced. Since: 5.1.0
+ * @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0
  *
  * Flags for #hb_buffer_t.
  *
@@ -386,7 +401,10 @@ typedef enum { /*< flags >*/
   HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES	= 0x00000008u,
   HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE	= 0x00000010u,
   HB_BUFFER_FLAG_VERIFY				= 0x00000020u,
-  HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT	= 0x00000040u
+  HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT	= 0x00000040u,
+  HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL	= 0x00000080u,
+
+  HB_BUFFER_FLAG_DEFINED			= 0x000000FFu
 } hb_buffer_flags_t;
 
 HB_EXTERN void
@@ -394,7 +412,7 @@ hb_buffer_set_flags (hb_buffer_t       *buffer,
 		     hb_buffer_flags_t  flags);
 
 HB_EXTERN hb_buffer_flags_t
-hb_buffer_get_flags (hb_buffer_t *buffer);
+hb_buffer_get_flags (const hb_buffer_t *buffer);
 
 /**
  * hb_buffer_cluster_level_t:
@@ -436,7 +454,7 @@ hb_buffer_set_cluster_level (hb_buffer_t               *buffer,
 			     hb_buffer_cluster_level_t  cluster_level);
 
 HB_EXTERN hb_buffer_cluster_level_t
-hb_buffer_get_cluster_level (hb_buffer_t *buffer);
+hb_buffer_get_cluster_level (const hb_buffer_t *buffer);
 
 /**
  * HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT:
@@ -453,21 +471,21 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t    *buffer,
 				     hb_codepoint_t  replacement);
 
 HB_EXTERN hb_codepoint_t
-hb_buffer_get_replacement_codepoint (hb_buffer_t    *buffer);
+hb_buffer_get_replacement_codepoint (const hb_buffer_t *buffer);
 
 HB_EXTERN void
 hb_buffer_set_invisible_glyph (hb_buffer_t    *buffer,
 			       hb_codepoint_t  invisible);
 
 HB_EXTERN hb_codepoint_t
-hb_buffer_get_invisible_glyph (hb_buffer_t    *buffer);
+hb_buffer_get_invisible_glyph (const hb_buffer_t *buffer);
 
 HB_EXTERN void
 hb_buffer_set_not_found_glyph (hb_buffer_t    *buffer,
 			       hb_codepoint_t  not_found);
 
 HB_EXTERN hb_codepoint_t
-hb_buffer_get_not_found_glyph (hb_buffer_t    *buffer);
+hb_buffer_get_not_found_glyph (const hb_buffer_t *buffer);
 
 
 /*
@@ -549,7 +567,7 @@ hb_buffer_set_length (hb_buffer_t  *buffer,
 		      unsigned int  length);
 
 HB_EXTERN unsigned int
-hb_buffer_get_length (hb_buffer_t *buffer);
+hb_buffer_get_length (const hb_buffer_t *buffer);
 
 /* Getting glyphs out of the buffer */
 
@@ -583,6 +601,7 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
  * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0
  * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances,
  *  glyph offsets will reflect absolute glyph positions. Since: 1.8.0
+ * @HB_BUFFER_SERIALIZE_FLAG_DEFINED: All currently defined flags. Since: 4.4.0
  *
  * Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().
  *
@@ -595,7 +614,9 @@ typedef enum { /*< flags >*/
   HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES	= 0x00000004u,
   HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS	= 0x00000008u,
   HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS		= 0x00000010u,
-  HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES		= 0x00000020u
+  HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES		= 0x00000020u,
+
+  HB_BUFFER_SERIALIZE_FLAG_DEFINED		= 0x0000003Fu
 } hb_buffer_serialize_flags_t;
 
 /**
@@ -749,16 +770,16 @@ hb_buffer_diff (hb_buffer_t *buffer,
  * hb_buffer_message_func_t:
  * @buffer: An #hb_buffer_t to work upon
  * @font: The #hb_font_t the @buffer is shaped with
- * @message: %NULL-terminated message passed to the function
+ * @message: `NULL`-terminated message passed to the function
  * @user_data: User data pointer passed by the caller
  *
  * A callback method for #hb_buffer_t. The method gets called with the
  * #hb_buffer_t it was set on, the #hb_font_t the buffer is shaped with and a
  * message describing what step of the shaping process will be performed.
- * Returning %false from this method will skip this shaping step and move to
+ * Returning `false` from this method will skip this shaping step and move to
  * the next one.
  *
- * Return value: %true to perform the shaping step, %false to skip it.
+ * Return value: `true` to perform the shaping step, `false` to skip it.
  *
  * Since: 1.1.3
  */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh
index bc6992905e..bb1efe9dd3 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh
@@ -32,6 +32,7 @@
 
 #include "hb.hh"
 #include "hb-unicode.hh"
+#include "hb-set-digest.hh"
 
 
 #ifndef HB_BUFFER_MAX_LEN_FACTOR
@@ -57,6 +58,7 @@
 static_assert ((sizeof (hb_glyph_info_t) == 20), "");
 static_assert ((sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)), "");
 
+HB_MARK_AS_FLAG_T (hb_glyph_flags_t);
 HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
 HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
 HB_MARK_AS_FLAG_T (hb_buffer_diff_flags_t);
@@ -69,12 +71,13 @@ enum hb_buffer_scratch_flags_t {
   HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT		= 0x00000008u,
   HB_BUFFER_SCRATCH_FLAG_HAS_CGJ			= 0x00000010u,
   HB_BUFFER_SCRATCH_FLAG_HAS_GLYPH_FLAGS		= 0x00000020u,
+  HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE		= 0x00000040u,
 
-  /* Reserved for complex shapers' internal use. */
-  HB_BUFFER_SCRATCH_FLAG_COMPLEX0			= 0x01000000u,
-  HB_BUFFER_SCRATCH_FLAG_COMPLEX1			= 0x02000000u,
-  HB_BUFFER_SCRATCH_FLAG_COMPLEX2			= 0x04000000u,
-  HB_BUFFER_SCRATCH_FLAG_COMPLEX3			= 0x08000000u,
+  /* Reserved for shapers' internal use. */
+  HB_BUFFER_SCRATCH_FLAG_SHAPER0			= 0x01000000u,
+  HB_BUFFER_SCRATCH_FLAG_SHAPER1			= 0x02000000u,
+  HB_BUFFER_SCRATCH_FLAG_SHAPER2			= 0x04000000u,
+  HB_BUFFER_SCRATCH_FLAG_SHAPER3			= 0x08000000u,
 };
 HB_MARK_AS_FLAG_T (hb_buffer_scratch_flags_t);
 
@@ -106,6 +109,7 @@ struct hb_buffer_t
   hb_segment_properties_t props; /* Script, language, direction */
 
   bool successful; /* Allocations successful */
+  bool shaping_failed; /* Shaping failure */
   bool have_output; /* Whether we have an output buffer going on */
   bool have_positions; /* Whether we have positions */
 
@@ -130,9 +134,7 @@ struct hb_buffer_t
    * Managed by enter / leave
    */
 
-#ifndef HB_NDEBUG
   uint8_t allocated_var_bits;
-#endif
   uint8_t serial;
   hb_buffer_scratch_flags_t scratch_flags; /* Have space-fallback, etc. */
   unsigned int max_len; /* Maximum allowed len. */
@@ -161,38 +163,40 @@ struct hb_buffer_t
 
   void allocate_var (unsigned int start, unsigned int count)
   {
-#ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
     unsigned int bits = (1u<<end) - (1u<<start);
     assert (0 == (allocated_var_bits & bits));
     allocated_var_bits |= bits;
-#endif
+  }
+  bool try_allocate_var (unsigned int start, unsigned int count)
+  {
+    unsigned int end = start + count;
+    assert (end <= 8);
+    unsigned int bits = (1u<<end) - (1u<<start);
+    if (allocated_var_bits & bits)
+      return false;
+    allocated_var_bits |= bits;
+    return true;
   }
   void deallocate_var (unsigned int start, unsigned int count)
   {
-#ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
     unsigned int bits = (1u<<end) - (1u<<start);
     assert (bits == (allocated_var_bits & bits));
     allocated_var_bits &= ~bits;
-#endif
   }
   void assert_var (unsigned int start, unsigned int count)
   {
-#ifndef HB_NDEBUG
     unsigned int end = start + count;
     assert (end <= 8);
-    unsigned int bits = (1u<<end) - (1u<<start);
+    HB_UNUSED unsigned int bits = (1u<<end) - (1u<<start);
     assert (bits == (allocated_var_bits & bits));
-#endif
   }
   void deallocate_var_all ()
   {
-#ifndef HB_NDEBUG
     allocated_var_bits = 0;
-#endif
   }
 
   hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; }
@@ -204,6 +208,14 @@ struct hb_buffer_t
   hb_glyph_info_t &prev ()      { return out_info[out_len ? out_len - 1 : 0]; }
   hb_glyph_info_t prev () const { return out_info[out_len ? out_len - 1 : 0]; }
 
+  hb_set_digest_t digest () const
+  {
+    hb_set_digest_t d;
+    d.init ();
+    d.add_array (&info[0].codepoint, len, sizeof (info[0]));
+    return d;
+  }
+
   HB_INTERNAL void similar (const hb_buffer_t &src);
   HB_INTERNAL void reset ();
   HB_INTERNAL void clear ();
@@ -285,7 +297,8 @@ struct hb_buffer_t
 
   HB_INTERNAL void guess_segment_properties ();
 
-  HB_INTERNAL void sync ();
+  HB_INTERNAL bool sync ();
+  HB_INTERNAL int sync_so_far ();
   HB_INTERNAL void clear_output ();
   HB_INTERNAL void clear_positions ();
 
@@ -398,6 +411,8 @@ struct hb_buffer_t
   HB_INTERNAL void merge_out_clusters (unsigned int start, unsigned int end);
   /* Merge clusters for deleting current glyph, and skip it. */
   HB_INTERNAL void delete_glyph ();
+  HB_INTERNAL void delete_glyphs_inplace (bool (*filter) (const hb_glyph_info_t *info));
+
 
 
   /* Adds glyph flags in mask to infos with clusters between start and end.
@@ -458,6 +473,17 @@ struct hb_buffer_t
 		      start, end,
 		      true);
   }
+  void safe_to_insert_tatweel (unsigned int start = 0, unsigned int end = -1)
+  {
+    if ((flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL) == 0)
+    {
+      unsafe_to_break (start, end);
+      return;
+    }
+    _set_glyph_flags (HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL,
+		      start, end,
+		      true);
+  }
   void unsafe_to_concat (unsigned int start = 0, unsigned int end = -1)
   {
     if (likely ((flags & HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT) == 0))
@@ -549,18 +575,14 @@ struct hb_buffer_t
 #ifdef HB_NO_BUFFER_MESSAGE
    return true;
 #else
-    if (!messaging ())
+    if (likely (!messaging ()))
       return true;
 
-    message_depth++;
-
     va_list ap;
     va_start (ap, fmt);
     bool ret = message_impl (font, fmt, ap);
     va_end (ap);
 
-    message_depth--;
-
     return ret;
 #endif
   }
@@ -619,9 +641,10 @@ DECLARE_NULL_INSTANCE (hb_buffer_t);
 #define HB_BUFFER_XALLOCATE_VAR(b, func, var) \
   b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \
 	   sizeof (b->info[0].var))
-#define HB_BUFFER_ALLOCATE_VAR(b, var)		HB_BUFFER_XALLOCATE_VAR (b, allocate_var,   var ())
-#define HB_BUFFER_DEALLOCATE_VAR(b, var)	HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ())
-#define HB_BUFFER_ASSERT_VAR(b, var)		HB_BUFFER_XALLOCATE_VAR (b, assert_var,     var ())
+#define HB_BUFFER_ALLOCATE_VAR(b, var)		HB_BUFFER_XALLOCATE_VAR (b, allocate_var,     var ())
+#define HB_BUFFER_TRY_ALLOCATE_VAR(b, var)	HB_BUFFER_XALLOCATE_VAR (b, try_allocate_var, var ())
+#define HB_BUFFER_DEALLOCATE_VAR(b, var)	HB_BUFFER_XALLOCATE_VAR (b, deallocate_var,   var ())
+#define HB_BUFFER_ASSERT_VAR(b, var)		HB_BUFFER_XALLOCATE_VAR (b, assert_var,       var ())
 
 
 #endif /* HB_BUFFER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cache.hh b/src/3rdparty/harfbuzz-ng/src/hb-cache.hh
index e617b75de9..f8c8108f1f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cache.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cache.hh
@@ -32,12 +32,21 @@
 
 /* Implements a lockfree cache for int->int functions. */
 
-template <unsigned int key_bits, unsigned int value_bits, unsigned int cache_bits>
+template <unsigned int key_bits=16,
+	 unsigned int value_bits=8 + 32 - key_bits,
+	 unsigned int cache_bits=8,
+	 bool thread_safe=true>
 struct hb_cache_t
 {
+  using item_t = typename std::conditional<thread_safe,
+					   hb_atomic_int_t,
+					   typename std::conditional<key_bits + value_bits - cache_bits <= 16,
+								     short,
+								     int>::type
+					  >::type;
+
   static_assert ((key_bits >= cache_bits), "");
-  static_assert ((key_bits + value_bits - cache_bits <= 8 * sizeof (hb_atomic_int_t)), "");
-  static_assert (sizeof (hb_atomic_int_t) == sizeof (unsigned int), "");
+  static_assert ((key_bits + value_bits <= cache_bits + 8 * sizeof (item_t)), "");
 
   void init () { clear (); }
   void fini () {}
@@ -45,14 +54,14 @@ struct hb_cache_t
   void clear ()
   {
     for (unsigned i = 0; i < ARRAY_LENGTH (values); i++)
-      values[i].set_relaxed (-1);
+      values[i] = -1;
   }
 
   bool get (unsigned int key, unsigned int *value) const
   {
     unsigned int k = key & ((1u<<cache_bits)-1);
-    unsigned int v = values[k].get_relaxed ();
-    if ((key_bits + value_bits - cache_bits == 8 * sizeof (hb_atomic_int_t) && v == (unsigned int) -1) ||
+    unsigned int v = values[k];
+    if ((key_bits + value_bits - cache_bits == 8 * sizeof (item_t) && v == (unsigned int) -1) ||
 	(v >> value_bits) != (key >> cache_bits))
       return false;
     *value = v & ((1u<<value_bits)-1);
@@ -65,16 +74,13 @@ struct hb_cache_t
       return false; /* Overflows */
     unsigned int k = key & ((1u<<cache_bits)-1);
     unsigned int v = ((key>>cache_bits)<<value_bits) | value;
-    values[k].set_relaxed (v);
+    values[k] = v;
     return true;
   }
 
   private:
-  hb_atomic_int_t values[1u<<cache_bits];
+  item_t values[1u<<cache_bits];
 };
 
-typedef hb_cache_t<21, 16, 8> hb_cmap_cache_t;
-typedef hb_cache_t<16, 24, 8> hb_advance_cache_t;
-
 
 #endif /* HB_CACHE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh
index 641de0eff2..49805a89c5 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh
@@ -248,6 +248,9 @@ struct number_t
 /* byte string */
 struct UnsizedByteStr : UnsizedArrayOf <HBUINT8>
 {
+  hb_ubytes_t as_ubytes (unsigned l) const
+  { return hb_ubytes_t ((const unsigned char *) this, l); }
+
   // encode 2-byte int (Dict/CharString) or 4-byte int (Dict)
   template <typename T, typename V>
   static bool serialize_int (hb_serialize_context_t *c, op_code_t intOp, V value)
@@ -274,128 +277,91 @@ struct UnsizedByteStr : UnsizedArrayOf <HBUINT8>
   /* Defining null_size allows a Null object may be created. Should be safe because:
    * A descendent struct Dict uses a Null pointer to indicate a missing table,
    * checked before access.
-   * byte_str_t, a wrapper struct pairing a byte pointer along with its length, always
-   * checks the length before access. A Null pointer is used as the initial pointer
-   * along with zero length by the default ctor.
    */
   DEFINE_SIZE_MIN(0);
 };
 
-/* Holder of a section of byte string within a CFFIndex entry */
-struct byte_str_t : hb_ubytes_t
-{
-  byte_str_t ()
-    : hb_ubytes_t () {}
-  byte_str_t (const UnsizedByteStr& s, unsigned int l)
-    : hb_ubytes_t ((const unsigned char*)&s, l) {}
-  byte_str_t (const unsigned char *s, unsigned int l)
-    : hb_ubytes_t (s, l) {}
-  byte_str_t (const hb_ubytes_t &ub)	/* conversion from hb_ubytes_t */
-    : hb_ubytes_t (ub) {}
-
-  /* sub-string */
-  byte_str_t sub_str (unsigned int offset, unsigned int len_) const
-  { return byte_str_t (hb_ubytes_t::sub_array (offset, len_)); }
-
-  bool check_limit (unsigned int offset, unsigned int count) const
-  { return (offset + count <= length); }
-};
-
 /* A byte string associated with the current offset and an error condition */
 struct byte_str_ref_t
 {
-  byte_str_ref_t () { init (); }
+  byte_str_ref_t ()
+    : str () {}
 
-  void init ()
-  {
-    str = byte_str_t ();
-    offset = 0;
-    error = false;
-  }
-
-  void fini () {}
-
-  byte_str_ref_t (const byte_str_t &str_, unsigned int offset_ = 0)
-    : str (str_), offset (offset_), error (false) {}
+  byte_str_ref_t (const hb_ubytes_t &str_, unsigned int offset_ = 0)
+    : str (str_) { set_offset (offset_); }
 
-  void reset (const byte_str_t &str_, unsigned int offset_ = 0)
+  void reset (const hb_ubytes_t &str_, unsigned int offset_ = 0)
   {
     str = str_;
-    offset = offset_;
-    error = false;
+    set_offset (offset_);
   }
 
   const unsigned char& operator [] (int i) {
-    if (unlikely ((unsigned int) (offset + i) >= str.length))
+    if (unlikely ((unsigned int) (get_offset () + i) >= str.length))
     {
       set_error ();
       return Null (unsigned char);
     }
-    return str[offset + i];
+    return str.arrayZ[get_offset () + i];
   }
 
-  /* Conversion to byte_str_t */
-  operator byte_str_t () const { return str.sub_str (offset, str.length - offset); }
+  unsigned char head_unchecked () const { return str.arrayZ[get_offset ()]; }
 
-  byte_str_t sub_str (unsigned int offset_, unsigned int len_) const
-  { return str.sub_str (offset_, len_); }
+  /* Conversion to hb_ubytes_t */
+  operator hb_ubytes_t () const { return str.sub_array (get_offset ()); }
+
+  hb_ubytes_t sub_array (unsigned int offset_, unsigned int len_) const
+  { return str.sub_array (offset_, len_); }
 
   bool avail (unsigned int count=1) const
-  { return (!in_error () && str.check_limit (offset, count)); }
+  { return get_offset () + count <= str.length; }
   void inc (unsigned int count=1)
   {
-    if (likely (!in_error () && (offset <= str.length) && (offset + count <= str.length)))
-    {
-      offset += count;
-    }
-    else
-    {
-      offset = str.length;
-      set_error ();
-    }
+    /* Automatically puts us in error if count is out-of-range. */
+    set_offset (get_offset () + count);
   }
 
-  void set_error ()      { error = true; }
-  bool in_error () const { return error; }
+  /* We (ab)use ubytes backwards_length as a cursor (called offset),
+   * as well as to store error condition. */
+
+  unsigned get_offset () const { return str.backwards_length; }
+  void set_offset (unsigned offset) { str.backwards_length = offset; }
+
+  void set_error ()      { str.backwards_length = str.length + 1; }
+  bool in_error () const { return str.backwards_length > str.length; }
 
-  byte_str_t       str;
-  unsigned int  offset; /* beginning of the sub-string within str */
+  unsigned total_size () const { return str.length; }
 
   protected:
-  bool	  error;
+  hb_ubytes_t       str;
 };
 
-typedef hb_vector_t<byte_str_t> byte_str_array_t;
+using byte_str_array_t = hb_vector_t<hb_ubytes_t>;
 
 /* stack */
 template <typename ELEM, int LIMIT>
 struct cff_stack_t
 {
-  void init ()
-  {
-    error = false;
-    count = 0;
-    elements.init ();
-    elements.resize (kSizeLimit);
-  }
-  void fini () { elements.fini (); }
-
   ELEM& operator [] (unsigned int i)
   {
-    if (unlikely (i >= count)) set_error ();
+    if (unlikely (i >= count))
+    {
+      set_error ();
+      return Crap (ELEM);
+    }
     return elements[i];
   }
 
   void push (const ELEM &v)
   {
-    if (likely (count < elements.length))
+    if (likely (count < LIMIT))
       elements[count++] = v;
     else
       set_error ();
   }
   ELEM &push ()
   {
-    if (likely (count < elements.length))
+    if (likely (count < LIMIT))
       return elements[count++];
     else
     {
@@ -424,7 +390,7 @@ struct cff_stack_t
 
   const ELEM& peek ()
   {
-    if (unlikely (count < 0))
+    if (unlikely (count == 0))
     {
       set_error ();
       return Null (ELEM);
@@ -434,7 +400,7 @@ struct cff_stack_t
 
   void unpop ()
   {
-    if (likely (count < elements.length))
+    if (likely (count < LIMIT))
       count++;
     else
       set_error ();
@@ -442,18 +408,19 @@ struct cff_stack_t
 
   void clear () { count = 0; }
 
-  bool in_error () const { return (error || elements.in_error ()); }
+  bool in_error () const { return (error); }
   void set_error ()      { error = true; }
 
   unsigned int get_count () const { return count; }
   bool is_empty () const          { return !count; }
 
-  static constexpr unsigned kSizeLimit = LIMIT;
+  hb_array_t<const ELEM> sub_array (unsigned start, unsigned length) const
+  { return hb_array_t<const ELEM> (elements).sub_array (start, length); }
 
-  protected:
-  bool error;
-  unsigned int count;
-  hb_vector_t<ELEM> elements;
+  private:
+  bool error = false;
+  unsigned int count = 0;
+  ELEM elements[LIMIT];
 };
 
 /* argument stack */
@@ -508,9 +475,6 @@ struct arg_stack_t : cff_stack_t<ARG, 513>
     return true;
   }
 
-  hb_array_t<const ARG> get_subarray (unsigned int start) const
-  { return S::elements.sub_array (start); }
-
   private:
   typedef cff_stack_t<ARG, 513> S;
 };
@@ -518,8 +482,15 @@ struct arg_stack_t : cff_stack_t<ARG, 513>
 /* an operator prefixed by its operands in a byte string */
 struct op_str_t
 {
+  /* This used to have a hb_ubytes_t. Using a pointer and length
+   * in a particular order, saves 8 bytes in this struct and more
+   * in our parsed_cs_op_t subclass. */
+
+  const unsigned char *ptr = nullptr;
+
   op_code_t  op;
-  byte_str_t str;
+
+  uint8_t length = 0;
 };
 
 /* base of OP_SERIALIZER */
@@ -530,9 +501,11 @@ struct op_serializer_t
   {
     TRACE_SERIALIZE (this);
 
-    HBUINT8 *d = c->allocate_size<HBUINT8> (opstr.str.length);
+    unsigned char *d = c->allocate_size<unsigned char> (opstr.length);
     if (unlikely (!d)) return_trace (false);
-    memcpy (d, &opstr.str[0], opstr.str.length);
+    /* Faster than hb_memcpy for small strings. */
+    for (unsigned i = 0; i < opstr.length; i++)
+      d[i] = opstr.ptr[i];
     return_trace (true);
   }
 };
@@ -547,32 +520,40 @@ struct parsed_values_t
   }
   void fini () { values.fini (); }
 
+  void alloc (unsigned n)
+  {
+    values.alloc (n);
+  }
+
   void add_op (op_code_t op, const byte_str_ref_t& str_ref = byte_str_ref_t ())
   {
     VAL *val = values.push ();
     val->op = op;
-    val->str = str_ref.str.sub_str (opStart, str_ref.offset - opStart);
-    opStart = str_ref.offset;
+    auto arr = str_ref.sub_array (opStart, str_ref.get_offset () - opStart);
+    val->ptr = arr.arrayZ;
+    val->length = arr.length;
+    opStart = str_ref.get_offset ();
   }
 
   void add_op (op_code_t op, const byte_str_ref_t& str_ref, const VAL &v)
   {
     VAL *val = values.push (v);
     val->op = op;
-    val->str = str_ref.sub_str ( opStart, str_ref.offset - opStart);
-    opStart = str_ref.offset;
+    auto arr = str_ref.sub_array (opStart, str_ref.get_offset () - opStart);
+    val->ptr = arr.arrayZ;
+    val->length = arr.length;
+    opStart = str_ref.get_offset ();
   }
 
   bool has_op (op_code_t op) const
   {
-    for (unsigned int i = 0; i < get_count (); i++)
-      if (get_value (i).op == op) return true;
+    for (const auto& v : values)
+      if (v.op == op) return true;
     return false;
   }
 
   unsigned get_count () const { return values.length; }
-  const VAL &get_value (unsigned int i)   const { return values[i]; }
-  const VAL &operator [] (unsigned int i) const { return get_value (i); }
+  const VAL &operator [] (unsigned int i) const { return values[i]; }
 
   unsigned int       opStart;
   hb_vector_t<VAL>   values;
@@ -581,32 +562,29 @@ struct parsed_values_t
 template <typename ARG=number_t>
 struct interp_env_t
 {
-  void init (const byte_str_t &str_)
+  interp_env_t () {}
+  interp_env_t (const hb_ubytes_t &str_)
   {
     str_ref.reset (str_);
-    argStack.init ();
-    error = false;
   }
-  void fini () { argStack.fini (); }
-
   bool in_error () const
-  { return error || str_ref.in_error () || argStack.in_error (); }
+  { return str_ref.in_error () || argStack.in_error (); }
 
-  void set_error () { error = true; }
+  void set_error () { str_ref.set_error (); }
 
   op_code_t fetch_op ()
   {
     op_code_t  op = OpCode_Invalid;
     if (unlikely (!str_ref.avail ()))
       return OpCode_Invalid;
-    op = (op_code_t)(unsigned char)str_ref[0];
+    op = (op_code_t) str_ref.head_unchecked ();
+    str_ref.inc ();
     if (op == OpCode_escape) {
       if (unlikely (!str_ref.avail ()))
 	return OpCode_Invalid;
-      op = Make_OpCode_ESC(str_ref[1]);
+      op = Make_OpCode_ESC (str_ref.head_unchecked ());
       str_ref.inc ();
     }
-    str_ref.inc ();
     return op;
   }
 
@@ -621,11 +599,9 @@ struct interp_env_t
 		str_ref;
   arg_stack_t<ARG>
 		argStack;
-  protected:
-  bool		error;
 };
 
-typedef interp_env_t<> num_interp_env_t;
+using num_interp_env_t =  interp_env_t<>;
 
 template <typename ARG=number_t>
 struct opset_t
@@ -668,11 +644,8 @@ struct opset_t
 template <typename ENV>
 struct interpreter_t
 {
-  ~interpreter_t() { fini (); }
-
-  void fini () { env.fini (); }
-
-  ENV env;
+  interpreter_t (ENV& env_) : env (env_) {}
+  ENV& env;
 };
 
 } /* namespace CFF */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh
index ef299369b5..f93c83ab45 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh
@@ -57,6 +57,7 @@ struct call_context_t
 
 /* call stack */
 const unsigned int kMaxCallLimit = 10;
+const unsigned int kMaxOps = 10000;
 struct call_stack_t : cff_stack_t<call_context_t, kMaxCallLimit> {};
 
 template <typename SUBRS>
@@ -79,10 +80,10 @@ struct biased_subrs_t
   unsigned int get_count () const { return subrs ? subrs->count : 0; }
   unsigned int get_bias () const  { return bias; }
 
-  byte_str_t operator [] (unsigned int index) const
+  hb_ubytes_t operator [] (unsigned int index) const
   {
     if (unlikely (!subrs || index >= subrs->count))
-      return Null (byte_str_t);
+      return hb_ubytes_t ();
     else
       return (*subrs)[index];
   }
@@ -112,10 +113,9 @@ struct point_t
 template <typename ARG, typename SUBRS>
 struct cs_interp_env_t : interp_env_t<ARG>
 {
-  void init (const byte_str_t &str, const SUBRS *globalSubrs_, const SUBRS *localSubrs_)
+  cs_interp_env_t (const hb_ubytes_t &str, const SUBRS *globalSubrs_, const SUBRS *localSubrs_) :
+    interp_env_t<ARG> (str)
   {
-    interp_env_t<ARG>::init (str);
-
     context.init (str, CSType_CharString);
     seen_moveto = true;
     seen_hintmask = false;
@@ -123,15 +123,11 @@ struct cs_interp_env_t : interp_env_t<ARG>
     vstem_count = 0;
     hintmask_size = 0;
     pt.set_int (0, 0);
-    callStack.init ();
     globalSubrs.init (globalSubrs_);
     localSubrs.init (localSubrs_);
   }
-  void fini ()
+  ~cs_interp_env_t ()
   {
-    interp_env_t<ARG>::fini ();
-
-    callStack.fini ();
     globalSubrs.fini ();
     localSubrs.fini ();
   }
@@ -880,11 +876,19 @@ struct path_procs_t
 template <typename ENV, typename OPSET, typename PARAM>
 struct cs_interpreter_t : interpreter_t<ENV>
 {
+  cs_interpreter_t (ENV& env_) : interpreter_t<ENV> (env_) {}
+
   bool interpret (PARAM& param)
   {
     SUPER::env.set_endchar (false);
 
+    unsigned max_ops = kMaxOps;
     for (;;) {
+      if (unlikely (!--max_ops))
+      {
+	SUPER::env.set_error ();
+	break;
+      }
       OPSET::process_op (SUPER::env.fetch_op (), SUPER::env, param);
       if (unlikely (SUPER::env.in_error ()))
 	return false;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh
index a520ca3bce..79fe9b42c5 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh
@@ -179,6 +179,8 @@ struct top_dict_opset_t : dict_opset_t
 template <typename OPSET, typename PARAM, typename ENV=num_interp_env_t>
 struct dict_interpreter_t : interpreter_t<ENV>
 {
+  dict_interpreter_t (ENV& env_) : interpreter_t<ENV> (env_) {}
+
   bool interpret (PARAM& param)
   {
     param.init ();
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh
index 1c8762c172..b306c2ecc9 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh
@@ -38,17 +38,15 @@ typedef biased_subrs_t<CFF1Subrs>   cff1_biased_subrs_t;
 struct cff1_cs_interp_env_t : cs_interp_env_t<number_t, CFF1Subrs>
 {
   template <typename ACC>
-  void init (const byte_str_t &str, ACC &acc, unsigned int fd)
+  cff1_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd)
+    : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs)
   {
-    SUPER::init (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs);
     processed_width = false;
     has_width = false;
     arg_start = 0;
     in_seac = false;
   }
 
-  void fini () { SUPER::fini (); }
-
   void set_width (bool has_width_)
   {
     if (likely (!processed_width && (SUPER::argStack.get_count () > 0)))
@@ -154,7 +152,7 @@ struct cff1_cs_opset_t : cs_opset_t<number_t, OPSET, cff1_cs_interp_env_t, PARAM
 };
 
 template <typename OPSET, typename PARAM>
-struct cff1_cs_interpreter_t : cs_interpreter_t<cff1_cs_interp_env_t, OPSET, PARAM> {};
+using cff1_cs_interpreter_t = cs_interpreter_t<cff1_cs_interp_env_t, OPSET, PARAM>;
 
 } /* namespace CFF */
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh
index 766183760e..00c25800e6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh
@@ -40,13 +40,15 @@ struct blend_arg_t : number_t
   void set_real (double v) { reset_blends (); number_t::set_real (v); }
 
   void set_blends (unsigned int numValues_, unsigned int valueIndex_,
-		   unsigned int numBlends, hb_array_t<const blend_arg_t> blends_)
+		   hb_array_t<const blend_arg_t> blends_)
   {
     numValues = numValues_;
     valueIndex = valueIndex_;
-    deltas.resize (numBlends);
+    unsigned numBlends = blends_.length;
+    if (unlikely (!deltas.resize (numBlends)))
+      return;
     for (unsigned int i = 0; i < numBlends; i++)
-      deltas[i] = blends_[i];
+      deltas.arrayZ[i] = blends_.arrayZ[i];
   }
 
   bool blending () const { return deltas.length > 0; }
@@ -61,17 +63,16 @@ struct blend_arg_t : number_t
   hb_vector_t<number_t> deltas;
 };
 
-typedef interp_env_t<blend_arg_t> BlendInterpEnv;
 typedef biased_subrs_t<CFF2Subrs>   cff2_biased_subrs_t;
 
-struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
+template <typename ELEM>
+struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
 {
   template <typename ACC>
-  void init (const byte_str_t &str, ACC &acc, unsigned int fd,
-	     const int *coords_=nullptr, unsigned int num_coords_=0)
+  cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd,
+			const int *coords_=nullptr, unsigned int num_coords_=0)
+    : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs)
   {
-    SUPER::init (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs);
-
     coords = coords_;
     num_coords = num_coords_;
     varStore = acc.varStore;
@@ -100,18 +101,14 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
       return OpCode_return;
   }
 
-  const blend_arg_t& eval_arg (unsigned int i)
+  const ELEM& eval_arg (unsigned int i)
   {
-    blend_arg_t  &arg = argStack[i];
-    blend_arg (arg);
-    return arg;
+    return SUPER::argStack[i];
   }
 
-  const blend_arg_t& pop_arg ()
+  const ELEM& pop_arg ()
   {
-    blend_arg_t  &arg = argStack.pop ();
-    blend_arg (arg);
-    return arg;
+    return SUPER::argStack.pop ();
   }
 
   void process_blend ()
@@ -122,7 +119,7 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
       if (do_blend)
       {
 	if (unlikely (!scalars.resize (region_count)))
-	  set_error ();
+	  SUPER::set_error ();
 	else
 	  varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords,
 						 &scalars[0], region_count);
@@ -133,10 +130,10 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
 
   void process_vsindex ()
   {
-    unsigned int  index = argStack.pop_uint ();
+    unsigned int  index = SUPER::argStack.pop_uint ();
     if (unlikely (seen_vsindex () || seen_blend))
     {
-      set_error ();
+     SUPER::set_error ();
     }
     else
     {
@@ -151,22 +148,19 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
   void	 set_ivs (unsigned int ivs_) { ivs = ivs_; }
   bool	 seen_vsindex () const { return seen_vsindex_; }
 
-  protected:
-  void blend_arg (blend_arg_t &arg)
+  double blend_deltas (hb_array_t<const ELEM> deltas) const
   {
-    if (do_blend && arg.blending ())
+    double v = 0;
+    if (do_blend)
     {
-      if (likely (scalars.length == arg.deltas.length))
+      if (likely (scalars.length == deltas.length))
       {
-	double v = arg.to_real ();
-	for (unsigned int i = 0; i < scalars.length; i++)
-	{
-	  v += (double)scalars[i] * arg.deltas[i].to_real ();
-	}
-	arg.set_real (v);
-	arg.deltas.resize (0);
+        unsigned count = scalars.length;
+	for (unsigned i = 0; i < count; i++)
+	  v += (double) scalars.arrayZ[i] * deltas.arrayZ[i].to_real ();
       }
     }
+    return v;
   }
 
   protected:
@@ -180,22 +174,24 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<blend_arg_t, CFF2Subrs>
   bool	  seen_vsindex_;
   bool	  seen_blend;
 
-  typedef cs_interp_env_t<blend_arg_t, CFF2Subrs> SUPER;
+  typedef cs_interp_env_t<ELEM, CFF2Subrs> SUPER;
 };
-template <typename OPSET, typename PARAM, typename PATH=path_procs_null_t<cff2_cs_interp_env_t, PARAM>>
-struct cff2_cs_opset_t : cs_opset_t<blend_arg_t, OPSET, cff2_cs_interp_env_t, PARAM, PATH>
+template <typename OPSET, typename PARAM, typename ELEM, typename PATH=path_procs_null_t<cff2_cs_interp_env_t<ELEM>, PARAM>>
+struct cff2_cs_opset_t : cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH>
 {
-  static void process_op (op_code_t op, cff2_cs_interp_env_t &env, PARAM& param)
+  static void process_op (op_code_t op, cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
   {
     switch (op) {
       case OpCode_callsubr:
       case OpCode_callgsubr:
 	/* a subroutine number shouldn't be a blended value */
+#if 0
 	if (unlikely (env.argStack.peek ().blending ()))
 	{
 	  env.set_error ();
 	  break;
 	}
+#endif
 	SUPER::process_op (op, env, param);
 	break;
 
@@ -204,11 +200,13 @@ struct cff2_cs_opset_t : cs_opset_t<blend_arg_t, OPSET, cff2_cs_interp_env_t, PA
 	break;
 
       case OpCode_vsindexcs:
+#if 0
 	if (unlikely (env.argStack.peek ().blending ()))
 	{
 	  env.set_error ();
 	  break;
 	}
+#endif
 	OPSET::process_vsindex (env, param);
 	break;
 
@@ -217,7 +215,26 @@ struct cff2_cs_opset_t : cs_opset_t<blend_arg_t, OPSET, cff2_cs_interp_env_t, PA
     }
   }
 
-  static void process_blend (cff2_cs_interp_env_t &env, PARAM& param)
+  template <typename T = ELEM,
+	    hb_enable_if (hb_is_same (T, blend_arg_t))>
+  static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
+				 ELEM &arg,
+				 const hb_array_t<const ELEM> blends,
+				 unsigned n, unsigned i)
+  {
+    arg.set_blends (n, i, blends);
+  }
+  template <typename T = ELEM,
+	    hb_enable_if (!hb_is_same (T, blend_arg_t))>
+  static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
+				 ELEM &arg,
+				 const hb_array_t<const ELEM> blends,
+				 unsigned n, unsigned i)
+  {
+    arg.set_real (arg.to_real () + env.blend_deltas (blends));
+  }
+
+  static void process_blend (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
   {
     unsigned int n, k;
 
@@ -234,26 +251,26 @@ struct cff2_cs_opset_t : cs_opset_t<blend_arg_t, OPSET, cff2_cs_interp_env_t, PA
     }
     for (unsigned int i = 0; i < n; i++)
     {
-      const hb_array_t<const blend_arg_t>	blends = env.argStack.get_subarray (start + n + (i * k));
-      env.argStack[start + i].set_blends (n, i, k, blends);
+      const hb_array_t<const ELEM> blends = env.argStack.sub_array (start + n + (i * k), k);
+      process_arg_blend (env, env.argStack[start + i], blends, n, i);
     }
 
     /* pop off blend values leaving default values now adorned with blend values */
     env.argStack.pop (k * n);
   }
 
-  static void process_vsindex (cff2_cs_interp_env_t &env, PARAM& param)
+  static void process_vsindex (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
   {
     env.process_vsindex ();
     env.clear_args ();
   }
 
   private:
-  typedef cs_opset_t<blend_arg_t, OPSET, cff2_cs_interp_env_t, PARAM, PATH>  SUPER;
+  typedef cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH>  SUPER;
 };
 
-template <typename OPSET, typename PARAM>
-struct cff2_cs_interpreter_t : cs_interpreter_t<cff2_cs_interp_env_t, OPSET, PARAM> {};
+template <typename OPSET, typename PARAM, typename ELEM>
+using cff2_cs_interpreter_t = cs_interpreter_t<cff2_cs_interp_env_t<ELEM>, OPSET, PARAM>;
 
 } /* namespace CFF */
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-common.cc b/src/3rdparty/harfbuzz-ng/src/hb-common.cc
index 41229b9183..e9f9cfeb5f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-common.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-common.cc
@@ -99,7 +99,7 @@ _hb_options_init ()
   }
 
   /* This is idempotent and threadsafe. */
-  _hb_options.set_relaxed (u.i);
+  _hb_options = u.i;
 }
 
 
@@ -108,7 +108,7 @@ _hb_options_init ()
 /**
  * hb_tag_from_string:
  * @str: (array length=len) (element-type uint8_t): String to convert
- * @len: Length of @str, or -1 if it is %NULL-terminated
+ * @len: Length of @str, or -1 if it is `NULL`-terminated
  *
  * Converts a string into an #hb_tag_t. Valid tags
  * are four characters. Shorter input strings will be
@@ -160,7 +160,7 @@ hb_tag_to_string (hb_tag_t tag, char *buf)
 
 /* hb_direction_t */
 
-const char direction_strings[][4] = {
+static const char direction_strings[][4] = {
   "ltr",
   "rtl",
   "ttb",
@@ -170,7 +170,7 @@ const char direction_strings[][4] = {
 /**
  * hb_direction_from_string:
  * @str: (array length=len) (element-type uint8_t): String to convert
- * @len: Length of @str, or -1 if it is %NULL-terminated
+ * @len: Length of @str, or -1 if it is `NULL`-terminated
  *
  * Converts a string to an #hb_direction_t.
  *
@@ -285,7 +285,7 @@ struct hb_language_item_t {
     lang = (hb_language_t) hb_malloc(len);
     if (likely (lang))
     {
-      memcpy((unsigned char *) lang, s, len);
+      hb_memcpy((unsigned char *) lang, s, len);
       for (unsigned char *p = (unsigned char *) lang; *p; p++)
 	*p = canon_map[*p];
     }
@@ -357,7 +357,7 @@ retry:
  * hb_language_from_string:
  * @str: (array length=len) (element-type uint8_t): a string representing
  *       a BCP 47 language tag
- * @len: length of the @str, or -1 if it is %NULL-terminated.
+ * @len: length of the @str, or -1 if it is `NULL`-terminated.
  *
  * Converts @str representing a BCP 47 language tag to the corresponding
  * #hb_language_t.
@@ -379,7 +379,7 @@ hb_language_from_string (const char *str, int len)
     /* NUL-terminate it. */
     char strbuf[64];
     len = hb_min (len, (int) sizeof (strbuf) - 1);
-    memcpy (strbuf, str, len);
+    hb_memcpy (strbuf, str, len);
     strbuf[len] = '\0';
     item = lang_find_or_insert (strbuf);
   }
@@ -396,7 +396,7 @@ hb_language_from_string (const char *str, int len)
  * Converts an #hb_language_t to a string.
  *
  * Return value: (transfer none):
- * A %NULL-terminated string representing the @language. Must not be freed by
+ * A `NULL`-terminated string representing the @language. Must not be freed by
  * the caller.
  *
  * Since: 0.9.2
@@ -441,6 +441,38 @@ hb_language_get_default ()
   return language;
 }
 
+/**
+ * hb_language_matches:
+ * @language: The #hb_language_t to work on
+ * @specific: Another #hb_language_t
+ *
+ * Check whether a second language tag is the same or a more
+ * specific version of the provided language tag.  For example,
+ * "fa_IR.utf8" is a more specific tag for "fa" or for "fa_IR".
+ *
+ * Return value: `true` if languages match, `false` otherwise.
+ *
+ * Since: 5.0.0
+ **/
+hb_bool_t
+hb_language_matches (hb_language_t language,
+		     hb_language_t specific)
+{
+  if (language == specific) return true;
+  if (!language || !specific) return false;
+
+  const char *l = language->s;
+  const char *s = specific->s;
+  unsigned ll = strlen (l);
+  unsigned sl = strlen (s);
+
+  if (ll > sl)
+    return false;
+
+  return strncmp (l, s, ll) == 0 &&
+	 (s[ll] == '\0' || s[ll] == '-');
+}
+
 
 /* hb_script_t */
 
@@ -498,7 +530,7 @@ hb_script_from_iso15924_tag (hb_tag_t tag)
  * hb_script_from_string:
  * @str: (array length=len) (element-type uint8_t): a string representing an
  *       ISO 15924 tag.
- * @len: length of the @str, or -1 if it is %NULL-terminated.
+ * @len: length of the @str, or -1 if it is `NULL`-terminated.
  *
  * Converts a string @str representing an ISO 15924 script tag to a
  * corresponding #hb_script_t. Shorthand for hb_tag_from_string() then
@@ -693,8 +725,8 @@ hb_version_string ()
  * Tests the library version against a minimum value,
  * as three integer components.
  *
- * Return value: %true if the library is equal to or greater than
- * the test value, %false otherwise
+ * Return value: `true` if the library is equal to or greater than
+ * the test value, `false` otherwise
  *
  * Since: 0.9.30
  **/
@@ -881,7 +913,7 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
 /**
  * hb_feature_from_string:
  * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
+ * @len: length of @str, or -1 if string is `NULL` terminated
  * @feature: (out): the #hb_feature_t to initialize with the parsed values
  *
  * Parses a string into a #hb_feature_t.
@@ -923,7 +955,7 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
  * </informaltable>
  *
  * Return value:
- * %true if @str is successfully parsed, %false otherwise
+ * `true` if @str is successfully parsed, `false` otherwise
  *
  * Since: 0.9.5
  **/
@@ -944,7 +976,7 @@ hb_feature_from_string (const char *str, int len,
   }
 
   if (feature)
-    memset (feature, 0, sizeof (*feature));
+    hb_memset (feature, 0, sizeof (*feature));
   return false;
 }
 
@@ -954,7 +986,7 @@ hb_feature_from_string (const char *str, int len,
  * @buf: (array length=size) (out): output string
  * @size: the allocated size of @buf
  *
- * Converts a #hb_feature_t into a %NULL-terminated string in the format
+ * Converts a #hb_feature_t into a `NULL`-terminated string in the format
  * understood by hb_feature_from_string(). The client in responsible for
  * allocating big enough size for @buf, 128 bytes is more than enough.
  *
@@ -993,7 +1025,7 @@ hb_feature_to_string (hb_feature_t *feature,
   }
   assert (len < ARRAY_LENGTH (s));
   len = hb_min (len, size - 1);
-  memcpy (buf, s, len);
+  hb_memcpy (buf, s, len);
   buf[len] = '\0';
 }
 
@@ -1022,7 +1054,7 @@ parse_one_variation (const char **pp, const char *end, hb_variation_t *variation
 /**
  * hb_variation_from_string:
  * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
+ * @len: length of @str, or -1 if string is `NULL` terminated
  * @variation: (out): the #hb_variation_t to initialize with the parsed values
  *
  * Parses a string into a #hb_variation_t.
@@ -1035,7 +1067,7 @@ parse_one_variation (const char **pp, const char *end, hb_variation_t *variation
  * number. For example `wght=500`, or `slnt=-7.5`.
  *
  * Return value:
- * %true if @str is successfully parsed, %false otherwise
+ * `true` if @str is successfully parsed, `false` otherwise
  *
  * Since: 1.4.2
  */
@@ -1056,7 +1088,7 @@ hb_variation_from_string (const char *str, int len,
   }
 
   if (variation)
-    memset (variation, 0, sizeof (*variation));
+    hb_memset (variation, 0, sizeof (*variation));
   return false;
 }
 
@@ -1104,10 +1136,10 @@ get_C_locale ()
 /**
  * hb_variation_to_string:
  * @variation: an #hb_variation_t to convert
- * @buf: (array length=size) (out): output string
+ * @buf: (array length=size) (out caller-allocates): output string
  * @size: the allocated size of @buf
  *
- * Converts an #hb_variation_t into a %NULL-terminated string in the format
+ * Converts an #hb_variation_t into a `NULL`-terminated string in the format
  * understood by hb_variation_from_string(). The client in responsible for
  * allocating big enough size for @buf, 128 bytes is more than enough.
  *
@@ -1134,7 +1166,7 @@ hb_variation_to_string (hb_variation_t *variation,
 
   assert (len < ARRAY_LENGTH (s));
   len = hb_min (len, size - 1);
-  memcpy (buf, s, len);
+  hb_memcpy (buf, s, len);
   buf[len] = '\0';
 }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-common.h b/src/3rdparty/harfbuzz-ng/src/hb-common.h
index 7b897a6c51..e92feb9898 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-common.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-common.h
@@ -326,6 +326,9 @@ hb_language_to_string (hb_language_t language);
 HB_EXTERN hb_language_t
 hb_language_get_default (void);
 
+HB_EXTERN hb_bool_t
+hb_language_matches (hb_language_t language,
+		     hb_language_t specific);
 
 /**
  * hb_script_t:
@@ -492,6 +495,8 @@ hb_language_get_default (void);
  * @HB_SCRIPT_TOTO: `Toto`, Since: 3.0.0
  * @HB_SCRIPT_VITHKUQI: `Vith`, Since: 3.0.0
  * @HB_SCRIPT_MATH: `Zmth`, Since: 3.4.0
+ * @HB_SCRIPT_KAWI: `Kawi`, Since: 5.2.0
+ * @HB_SCRIPT_NAG_MUNDARI: `Nagm`, Since: 5.2.0
  * @HB_SCRIPT_INVALID: No script set
  *
  * Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding
@@ -713,6 +718,12 @@ typedef enum
    */
   HB_SCRIPT_MATH			= HB_TAG ('Z','m','t','h'),
 
+  /*
+   * Since 5.2.0
+   */
+  HB_SCRIPT_KAWI			= HB_TAG ('K','a','w','i'), /*15.0*/
+  HB_SCRIPT_NAG_MUNDARI			= HB_TAG ('N','a','g','m'), /*15.0*/
+
   /* No script set. */
   HB_SCRIPT_INVALID			= HB_TAG_NONE,
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-config.hh b/src/3rdparty/harfbuzz-ng/src/hb-config.hh
index 4b46dea938..98b1e9d0cf 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-config.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-config.hh
@@ -35,6 +35,10 @@
 #include "config.h"
 #endif
 
+#ifndef HB_EXPERIMENTAL_API
+#define HB_NO_BEYOND_64K
+#define HB_NO_VAR_COMPOSITES
+#endif
 
 #ifdef HB_TINY
 #define HB_LEAN
@@ -64,9 +68,11 @@
 #define HB_NO_FACE_COLLECT_UNICODES
 #define HB_NO_GETENV
 #define HB_NO_HINTING
+#define HB_NO_LANGUAGE_LONG
 #define HB_NO_LANGUAGE_PRIVATE_SUBTAG
 #define HB_NO_LAYOUT_FEATURE_PARAMS
 #define HB_NO_LAYOUT_COLLECT_GLYPHS
+#define HB_NO_LAYOUT_RARELY_USED
 #define HB_NO_LAYOUT_UNUSED
 #define HB_NO_MATH
 #define HB_NO_META
@@ -79,6 +85,7 @@
 #define HB_NO_OT_SHAPE_FRACTIONS
 #define HB_NO_STYLE
 #define HB_NO_SUBSET_LAYOUT
+#define HB_NO_VERTICAL
 #define HB_NO_VAR
 #endif
 
@@ -97,12 +104,22 @@
 
 /* Closure of options. */
 
+#ifdef HB_NO_BORING_EXPANSION
+#define HB_NO_BEYOND_64K
+#define HB_NO_AVAR2
+#endif
+
 #ifdef HB_DISABLE_DEPRECATED
 #define HB_IF_NOT_DEPRECATED(x)
 #else
 #define HB_IF_NOT_DEPRECATED(x) x
 #endif
 
+#ifdef HB_NO_SHAPER
+#define HB_NO_OT_SHAPE
+#define HB_NO_AAT_SHAPE
+#endif
+
 #ifdef HB_NO_AAT
 #define HB_NO_OT_NAME_LANGUAGE_AAT
 #define HB_NO_AAT_SHAPE
@@ -145,10 +162,11 @@
 #endif
 
 #ifdef HB_NO_OT_SHAPE_FALLBACK
-#define HB_NO_OT_SHAPE_COMPLEX_ARABIC_FALLBACK
-#define HB_NO_OT_SHAPE_COMPLEX_HEBREW_FALLBACK
-#define HB_NO_OT_SHAPE_COMPLEX_THAI_FALLBACK
-#define HB_NO_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS
+#define HB_NO_OT_SHAPER_ARABIC_FALLBACK
+#define HB_NO_OT_SHAPER_HEBREW_FALLBACK
+#define HB_NO_OT_SHAPER_THAI_FALLBACK
+#define HB_NO_OT_SHAPER_VOWEL_CONSTRAINTS
+#define HB_NO_OT_SHAPER_MYANMAR_ZAWGYI
 #endif
 
 #ifdef NDEBUG
@@ -163,5 +181,9 @@
 #endif
 #endif
 
+#ifdef HB_OPTIMIZE_SIZE
+#define HB_NO_OT_LAYOUT_LOOKUP_CACHE
+#endif
+
 
 #endif /* HB_CONFIG_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc
index 6ccc1b0a2b..4267e0e13e 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc
@@ -332,7 +332,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
     return nullptr;
   }
 
-  if (font->coords)
+  if (font->num_coords)
   {
     CFMutableDictionaryRef variations =
       CFDictionaryCreateMutable (kCFAllocatorDefault,
@@ -347,10 +347,13 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
       hb_ot_var_axis_info_t info;
       unsigned int c = 1;
       hb_ot_var_get_axis_infos (font->face, i, &c, &info);
-      CFDictionarySetValue (variations,
-	CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag),
-	CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &font->design_coords[i])
-      );
+      float v = hb_clamp (font->design_coords[i], info.min_value, info.max_value);
+
+      CFNumberRef tag_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag);
+      CFNumberRef value_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &v);
+      CFDictionarySetValue (variations, tag_number, value_number);
+      CFRelease (tag_number);
+      CFRelease (value_number);
     }
 
     CFDictionaryRef attributes =
@@ -379,37 +382,6 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_font_data_t *data)
   CFRelease ((CTFontRef) data);
 }
 
-static const hb_coretext_font_data_t *
-hb_coretext_font_data_sync (hb_font_t *font)
-{
-retry:
-  const hb_coretext_font_data_t *data = font->data.coretext;
-  if (unlikely (!data)) return nullptr;
-
-  if (fabs (CTFontGetSize ((CTFontRef) data) - (CGFloat) font->ptem) > (CGFloat) .5)
-  {
-    /* XXX-MT-bug
-     * Note that evaluating condition above can be dangerous if another thread
-     * got here first and destructed data.  That's, as always, bad use pattern.
-     * If you modify the font (change font size), other threads must not be
-     * using it at the same time.  However, since this check is delayed to
-     * when one actually tries to shape something, this is a XXX race condition
-     * (and the only one we have that I know of) right now.  Ie. you modify the
-     * font size in one thread, then (supposedly safely) try to use it from two
-     * or more threads and BOOM!  I'm not sure how to fix this.  We want RCU.
-     */
-
-    /* Drop and recreate. */
-    /* If someone dropped it in the mean time, throw it away and don't touch it.
-     * Otherwise, destruct it. */
-    if (likely (font->data.coretext.cmpexch (const_cast<hb_coretext_font_data_t *> (data), nullptr)))
-      _hb_coretext_shaper_font_data_destroy (const_cast<hb_coretext_font_data_t *> (data));
-    else
-      goto retry;
-  }
-  return font->data.coretext;
-}
-
 /**
  * hb_coretext_font_create:
  * @ct_font: The CTFontRef to work upon
@@ -455,8 +427,8 @@ hb_coretext_font_create (CTFontRef ct_font)
 CTFontRef
 hb_coretext_font_get_ct_font (hb_font_t *font)
 {
-  const hb_coretext_font_data_t *data = hb_coretext_font_data_sync (font);
-  return data ? (CTFontRef) data : nullptr;
+  CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
+  return ct_font ? (CTFontRef) ct_font : nullptr;
 }
 
 
@@ -516,7 +488,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
 {
   hb_face_t *face = font->face;
   CGFontRef cg_font = (CGFontRef) (const void *) face->data.coretext;
-  CTFontRef ct_font = (CTFontRef) hb_coretext_font_data_sync (font);
+  CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
 
   CGFloat ct_font_size = CTFontGetSize (ct_font);
   CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@@ -679,7 +651,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
       } else {
 	active_feature_t *feature = active_features.lsearch (event->feature);
 	if (feature)
-	  active_features.remove (feature - active_features.arrayZ);
+	  active_features.remove_ordered (feature - active_features.arrayZ);
       }
     }
   }
@@ -1106,7 +1078,8 @@ resize_and_retry:
 	      advance = positions[j + 1].x - positions[j].x;
 	    else /* last glyph */
 	      advance = run_advance - (positions[j].x - positions[0].x);
-	    info->mask = round (advance * x_mult);
+	    /* int cast necessary to pass through negative values. */
+	    info->mask = (int) round (advance * x_mult);
 	    info->var1.i32 = x_offset;
 	    info->var2.i32 = round (positions[j].y * y_mult);
 	    info++;
@@ -1122,7 +1095,8 @@ resize_and_retry:
 	      advance = positions[j + 1].y - positions[j].y;
 	    else /* last glyph */
 	      advance = run_advance - (positions[j].y - positions[0].y);
-	    info->mask = round (advance * y_mult);
+	    /* int cast necessary to pass through negative values. */
+	    info->mask = (int) round (advance * y_mult);
 	    info->var1.i32 = round (positions[j].x * x_mult);
 	    info->var2.i32 = y_offset;
 	    info++;
@@ -1151,7 +1125,7 @@ resize_and_retry:
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
 
-	info++, pos++;
+	info++; pos++;
       }
     else
       for (unsigned int i = 0; i < count; i++)
@@ -1160,7 +1134,7 @@ resize_and_retry:
 	pos->x_offset = info->var1.i32;
 	pos->y_offset = info->var2.i32;
 
-	info++, pos++;
+	info++; pos++;
       }
 
     /* Fix up clusters so that we never return out-of-order indices;
@@ -1173,7 +1147,8 @@ resize_and_retry:
      * This does *not* mean we'll form the same clusters as Uniscribe
      * or the native OT backend, only that the cluster indices will be
      * monotonic in the output buffer. */
-    if (count > 1 && (status_or & kCTRunStatusNonMonotonic))
+    if (count > 1 && (status_or & kCTRunStatusNonMonotonic) &&
+	buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
     {
       hb_glyph_info_t *info = buffer->info;
       if (HB_DIRECTION_IS_FORWARD (buffer->props.direction))
@@ -1197,6 +1172,10 @@ resize_and_retry:
     }
   }
 
+  /* TODO: Sometimes the above positioning code generates negative
+   * advance values. Fix them up. Example, with NotoNastaliqUrdu
+   * font and sequence ابهد. */
+
   buffer->clear_glyph_flags ();
   buffer->unsafe_to_break ();
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh b/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh
new file mode 100644
index 0000000000..a210ab7960
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh
@@ -0,0 +1,221 @@
+/*
+ * Copyright © 2022 Behdad Esfahbod
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HB_CPLUSPLUS_HH
+#define HB_CPLUSPLUS_HH
+
+#include "hb.h"
+
+HB_BEGIN_DECLS
+HB_END_DECLS
+
+#ifdef __cplusplus
+
+#include <functional>
+#include <utility>
+
+#if 0
+#if !(__cplusplus >= 201103L)
+#error "HarfBuzz C++ helpers require C++11"
+#endif
+#endif
+
+namespace hb {
+
+
+template <typename T>
+struct vtable;
+
+template <typename T>
+struct shared_ptr
+{
+  using element_type = T;
+
+  using v = vtable<T>;
+
+  explicit shared_ptr (T *p = nullptr) : p (p) {}
+  shared_ptr (const shared_ptr &o) : p (v::reference (o.p)) {}
+  shared_ptr (shared_ptr &&o) : p (o.p) { o.p = nullptr; }
+  shared_ptr& operator = (const shared_ptr &o) { if (p != o.p) { destroy (); p = o.p; reference (); } return *this; }
+  shared_ptr& operator = (shared_ptr &&o) { v::destroy (p); p = o.p; o.p = nullptr; return *this; }
+  ~shared_ptr () { v::destroy (p); p = nullptr; }
+
+  T* get() const { return p; }
+
+  void swap (shared_ptr &o) { std::swap (p, o.p); }
+  friend void swap (shared_ptr &a, shared_ptr &b) { std::swap (a.p, b.p); }
+
+  operator T * () const { return p; }
+  T& operator * () const { return *get (); }
+  T* operator -> () const { return get (); }
+  operator bool () const { return p; }
+  bool operator == (const shared_ptr &o) const { return p == o.p; }
+  bool operator != (const shared_ptr &o) const { return p != o.p; }
+
+  static T* get_empty() { return v::get_empty (); }
+  T* reference() { return v::reference (p); }
+  void destroy() { v::destroy (p); }
+  void set_user_data (hb_user_data_key_t *key,
+		      void *value,
+		      hb_destroy_func_t destroy,
+		      hb_bool_t replace) { v::set_user_data (p, key, value, destroy, replace); } 
+  void * get_user_data (hb_user_data_key_t *key) { return v::get_user_data (p, key); }
+
+  private:
+  T *p;
+};
+
+template<typename T> struct is_shared_ptr : std::false_type {};
+template<typename T> struct is_shared_ptr<shared_ptr<T>> : std::true_type {};
+
+template <typename T>
+struct unique_ptr
+{
+  using element_type = T;
+
+  using v = vtable<T>;
+
+  explicit unique_ptr (T *p = nullptr) : p (p) {}
+  unique_ptr (const unique_ptr &o) = delete;
+  unique_ptr (unique_ptr &&o) : p (o.p) { o.p = nullptr; }
+  unique_ptr& operator = (const unique_ptr &o) = delete;
+  unique_ptr& operator = (unique_ptr &&o) { v::destroy (p); p = o.p; o.p = nullptr; return *this; }
+  ~unique_ptr () { v::destroy (p); p = nullptr; }
+
+  T* get() const { return p; }
+  T* release () { T* v = p; p = nullptr; return v; }
+
+  void swap (unique_ptr &o) { std::swap (p, o.p); }
+  friend void swap (unique_ptr &a, unique_ptr &b) { std::swap (a.p, b.p); }
+
+  operator T * () const { return p; }
+  T& operator * () const { return *get (); }
+  T* operator -> () const { return get (); }
+  operator bool () { return p; }
+
+  private:
+  T *p;
+};
+
+template<typename T> struct is_unique_ptr : std::false_type {};
+template<typename T> struct is_unique_ptr<unique_ptr<T>> : std::true_type {};
+
+template <typename T,
+	  T * (*_get_empty) (void),
+	  T * (*_reference) (T *),
+	  void (*_destroy) (T *),
+	  hb_bool_t (*_set_user_data) (T *,
+				       hb_user_data_key_t *,
+				       void *,
+				       hb_destroy_func_t,
+				       hb_bool_t),
+	  void * (*_get_user_data) (const T *,
+				    hb_user_data_key_t *)>
+struct vtable_t
+{
+  static constexpr auto get_empty = _get_empty;
+  static constexpr auto reference = _reference;
+  static constexpr auto destroy = _destroy;
+  static constexpr auto set_user_data = _set_user_data;
+  static constexpr auto get_user_data = _get_user_data;
+};
+
+#define HB_DEFINE_VTABLE(name) \
+	template<> \
+	struct vtable<hb_##name##_t> \
+	     : vtable_t<hb_##name##_t, \
+			&hb_##name##_get_empty, \
+			&hb_##name##_reference, \
+			&hb_##name##_destroy, \
+			&hb_##name##_set_user_data, \
+			&hb_##name##_get_user_data> {}
+
+HB_DEFINE_VTABLE (buffer);
+HB_DEFINE_VTABLE (blob);
+HB_DEFINE_VTABLE (face);
+HB_DEFINE_VTABLE (font);
+HB_DEFINE_VTABLE (font_funcs);
+HB_DEFINE_VTABLE (map);
+HB_DEFINE_VTABLE (set);
+HB_DEFINE_VTABLE (shape_plan);
+HB_DEFINE_VTABLE (unicode_funcs);
+
+#undef HB_DEFINE_VTABLE
+
+
+#ifdef HB_SUBSET_H
+
+#define HB_DEFINE_VTABLE(name) \
+	template<> \
+	struct vtable<hb_##name##_t> \
+	     : vtable_t<hb_##name##_t, \
+			nullptr, \
+			&hb_##name##_reference, \
+			&hb_##name##_destroy, \
+			&hb_##name##_set_user_data, \
+			&hb_##name##_get_user_data> {}
+
+
+HB_DEFINE_VTABLE (subset_input);
+HB_DEFINE_VTABLE (subset_plan);
+
+#undef HB_DEFINE_VTABLE
+
+#endif
+
+
+} // namespace hb
+
+/* Workaround for GCC < 7, see:
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
+ * https://stackoverflow.com/a/25594741 */
+namespace std {
+
+
+template<typename T>
+struct hash<hb::shared_ptr<T>>
+{
+    std::size_t operator()(const hb::shared_ptr<T>& v) const noexcept
+    {
+        std::size_t h = std::hash<decltype (v.get ())>{}(v.get ());
+        return h;
+    }
+};
+
+template<typename T>
+struct hash<hb::unique_ptr<T>>
+{
+    std::size_t operator()(const hb::unique_ptr<T>& v) const noexcept
+    {
+        std::size_t h = std::hash<decltype (v.get ())>{}(v.get ());
+        return h;
+    }
+};
+
+
+} // namespace std
+
+#endif /* __cplusplus */
+
+#endif /* HB_CPLUSPLUS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-debug.hh b/src/3rdparty/harfbuzz-ng/src/hb-debug.hh
index 3ac7440e80..cbe13e5214 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-debug.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-debug.hh
@@ -67,12 +67,12 @@ hb_options ()
 #endif
   /* Make a local copy, so we can access bitfield threadsafely. */
   hb_options_union_t u;
-  u.i = _hb_options.get_relaxed ();
+  u.i = _hb_options;
 
   if (unlikely (!u.i))
   {
     _hb_options_init ();
-    u.i = _hb_options.get_relaxed ();
+    u.i = _hb_options;
   }
 
   return u.opts;
@@ -460,4 +460,9 @@ struct hb_no_trace_t {
 #endif
 
 
+#ifndef HB_BUFFER_MESSAGE_MORE
+#define HB_BUFFER_MESSAGE_MORE (HB_DEBUG+1)
+#endif
+
+
 #endif /* HB_DEBUG_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h b/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h
index a130d77f77..333dc3cd4c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h
@@ -93,7 +93,7 @@ HB_BEGIN_DECLS
  * This method should retrieve the glyph ID for a specified Unicode code point
  * font, with an optional variation selector.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  * Deprecated: 1.2.3
  *
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc
index f177ff31c0..de05b7d871 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc
@@ -43,6 +43,14 @@
  * Functions for using HarfBuzz with DirectWrite fonts.
  **/
 
+/* Declare object creator for dynamic support of DWRITE */
+typedef HRESULT (WINAPI *t_DWriteCreateFactory)(
+  DWRITE_FACTORY_TYPE factoryType,
+  REFIID              iid,
+  IUnknown            **factory
+);
+
+
 /*
  * DirectWrite font stream helpers
  */
@@ -137,6 +145,7 @@ public:
 
 struct hb_directwrite_face_data_t
 {
+  HMODULE dwrite_dll;
   IDWriteFactory *dwriteFactory;
   IDWriteFontFile *fontFile;
   DWriteFontFileStream *fontFileStream;
@@ -158,12 +167,33 @@ _hb_directwrite_shaper_face_data_create (hb_face_t *face)
     return nullptr; \
   } HB_STMT_END
 
+  data->dwrite_dll = LoadLibrary (TEXT ("DWRITE"));
+  if (unlikely (!data->dwrite_dll))
+    FAIL ("Cannot find DWrite.DLL");
+
+  t_DWriteCreateFactory p_DWriteCreateFactory;
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+
+  p_DWriteCreateFactory = (t_DWriteCreateFactory)
+			  GetProcAddress (data->dwrite_dll, "DWriteCreateFactory");
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
+
+  if (unlikely (!p_DWriteCreateFactory))
+    FAIL ("Cannot find DWriteCreateFactory().");
+
   HRESULT hr;
 
   // TODO: factory and fontFileLoader should be cached separately
   IDWriteFactory* dwriteFactory;
-  hr = DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory),
-			    (IUnknown**) &dwriteFactory);
+  hr = p_DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory),
+			      (IUnknown**) &dwriteFactory);
 
   if (unlikely (hr != S_OK))
     FAIL ("Failed to run DWriteCreateFactory().");
@@ -227,6 +257,8 @@ _hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data)
     delete data->fontFileStream;
   if (data->faceBlob)
     hb_blob_destroy (data->faceBlob);
+  if (data->dwrite_dll)
+    FreeLibrary (data->dwrite_dll);
   if (data)
     delete data;
 }
@@ -241,17 +273,12 @@ struct hb_directwrite_font_data_t {};
 hb_directwrite_font_data_t *
 _hb_directwrite_shaper_font_data_create (hb_font_t *font)
 {
-  hb_directwrite_font_data_t *data = new hb_directwrite_font_data_t;
-  if (unlikely (!data))
-    return nullptr;
-
-  return data;
+  return (hb_directwrite_font_data_t *) HB_SHAPER_DATA_SUCCEEDED;
 }
 
 void
 _hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data)
 {
-  delete data;
 }
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-draw.cc b/src/3rdparty/harfbuzz-ng/src/hb-draw.cc
index b31019b07e..72c203f24f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-draw.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-draw.cc
@@ -56,12 +56,14 @@ hb_draw_quadratic_to_nil (hb_draw_funcs_t *dfuncs, void *draw_data,
 			  float to_x, float to_y,
 			  void *user_data HB_UNUSED)
 {
+#define HB_ONE_THIRD 0.33333333f
   dfuncs->emit_cubic_to (draw_data, *st,
-			 (st->current_x + 2.f * control_x) / 3.f,
-			 (st->current_y + 2.f * control_y) / 3.f,
-			 (to_x + 2.f * control_x) / 3.f,
-			 (to_y + 2.f * control_y) / 3.f,
+			 (st->current_x + 2.f * control_x) * HB_ONE_THIRD,
+			 (st->current_y + 2.f * control_y) * HB_ONE_THIRD,
+			 (to_x + 2.f * control_x) * HB_ONE_THIRD,
+			 (to_y + 2.f * control_y) * HB_ONE_THIRD,
 			 to_x, to_y);
+#undef HB_ONE_THIRD
 }
 
 static void
@@ -78,6 +80,56 @@ hb_draw_close_path_nil (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data HB_UN
 			void *user_data HB_UNUSED) {}
 
 
+static bool
+_hb_draw_funcs_set_preamble (hb_draw_funcs_t    *dfuncs,
+			     bool                func_is_null,
+			     void              **user_data,
+			     hb_destroy_func_t  *destroy)
+{
+  if (hb_object_is_immutable (dfuncs))
+  {
+    if (*destroy)
+      (*destroy) (*user_data);
+    return false;
+  }
+
+  if (func_is_null)
+  {
+    if (*destroy)
+      (*destroy) (*user_data);
+    *destroy = nullptr;
+    *user_data = nullptr;
+  }
+
+  return true;
+}
+
+static bool
+_hb_draw_funcs_set_middle (hb_draw_funcs_t   *dfuncs,
+			   void              *user_data,
+			   hb_destroy_func_t  destroy)
+{
+  if (user_data && !dfuncs->user_data)
+  {
+    dfuncs->user_data = (decltype (dfuncs->user_data)) hb_calloc (1, sizeof (*dfuncs->user_data));
+    if (unlikely (!dfuncs->user_data))
+      goto fail;
+  }
+  if (destroy && !dfuncs->destroy)
+  {
+    dfuncs->destroy = (decltype (dfuncs->destroy)) hb_calloc (1, sizeof (*dfuncs->destroy));
+    if (unlikely (!dfuncs->destroy))
+      goto fail;
+  }
+
+  return true;
+
+fail:
+  if (destroy)
+    (destroy) (user_data);
+  return false;
+}
+
 #define HB_DRAW_FUNC_IMPLEMENT(name)						\
 										\
 void										\
@@ -86,35 +138,38 @@ hb_draw_funcs_set_##name##_func (hb_draw_funcs_t	 *dfuncs,		\
 				 void			 *user_data,		\
 				 hb_destroy_func_t	  destroy)		\
 {										\
-  if (hb_object_is_immutable (dfuncs))						\
-    return;									\
-										\
-  if (dfuncs->destroy.name)							\
-    dfuncs->destroy.name (dfuncs->user_data.name);				\
+  if (!_hb_draw_funcs_set_preamble (dfuncs, !func, &user_data, &destroy))\
+      return;                                                            \
 										\
-  if (func) {									\
-    dfuncs->func.name = func;							\
-    dfuncs->user_data.name = user_data;						\
-    dfuncs->destroy.name = destroy;						\
-  } else {									\
-    dfuncs->func.name = hb_draw_##name##_nil;					\
-    dfuncs->user_data.name = nullptr;						\
-    dfuncs->destroy.name = nullptr;						\
-  }										\
+  if (dfuncs->destroy && dfuncs->destroy->name)					\
+    dfuncs->destroy->name (!dfuncs->user_data ? nullptr : dfuncs->user_data->name); \
+									 \
+  if (!_hb_draw_funcs_set_middle (dfuncs, user_data, destroy))           \
+      return;                                                            \
+									\
+  if (func)								\
+    dfuncs->func.name = func;						\
+  else									\
+    dfuncs->func.name = hb_draw_##name##_nil;				\
+									\
+  if (dfuncs->user_data)						\
+    dfuncs->user_data->name = user_data;				\
+  if (dfuncs->destroy)							\
+    dfuncs->destroy->name = destroy;					\
 }
 
 HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_DRAW_FUNC_IMPLEMENT
 
 /**
- * hb_draw_funcs_create: (Xconstructor)
+ * hb_draw_funcs_create:
  *
  * Creates a new draw callbacks object.
  *
  * Return value: (transfer full):
  * A newly allocated #hb_draw_funcs_t with a reference count of 1. The initial
  * reference count should be released with hb_draw_funcs_destroy when you are
- * done using the #hb_draw_funcs_t. This function never returns %NULL. If
+ * done using the #hb_draw_funcs_t. This function never returns `NULL`. If
  * memory cannot be allocated, a special singleton #hb_draw_funcs_t object will
  * be returned.
  *
@@ -177,11 +232,16 @@ hb_draw_funcs_destroy (hb_draw_funcs_t *dfuncs)
 {
   if (!hb_object_destroy (dfuncs)) return;
 
+  if (dfuncs->destroy)
+  {
 #define HB_DRAW_FUNC_IMPLEMENT(name) \
-  if (dfuncs->destroy.name) dfuncs->destroy.name (dfuncs->user_data.name);
-    HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS
+    if (dfuncs->destroy->name) dfuncs->destroy->name (!dfuncs->user_data ? nullptr : dfuncs->user_data->name);
+      HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_DRAW_FUNC_IMPLEMENT
+  }
 
+  hb_free (dfuncs->destroy);
+  hb_free (dfuncs->user_data);
 
   hb_free (dfuncs);
 }
@@ -209,7 +269,7 @@ hb_draw_funcs_make_immutable (hb_draw_funcs_t *dfuncs)
  *
  * Checks whether @dfuncs is immutable.
  *
- * Return value: %true if @dfuncs is immutable, %false otherwise
+ * Return value: `true` if @dfuncs is immutable, `false` otherwise
  *
  * Since: 4.0.0
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-draw.hh b/src/3rdparty/harfbuzz-ng/src/hb-draw.hh
index 28bc9218e1..768f51a875 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-draw.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-draw.hh
@@ -54,31 +54,31 @@ struct hb_draw_funcs_t
 #define HB_DRAW_FUNC_IMPLEMENT(name) void *name;
     HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_DRAW_FUNC_IMPLEMENT
-  } user_data;
+  } *user_data;
 
   struct {
 #define HB_DRAW_FUNC_IMPLEMENT(name) hb_destroy_func_t name;
     HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_DRAW_FUNC_IMPLEMENT
-  } destroy;
+  } *destroy;
 
   void emit_move_to (void *draw_data, hb_draw_state_t &st,
 		     float to_x, float to_y)
   { func.move_to (this, draw_data, &st,
 		  to_x, to_y,
-		  user_data.move_to); }
+		  !user_data ? nullptr : user_data->move_to); }
   void emit_line_to (void *draw_data, hb_draw_state_t &st,
 		     float to_x, float to_y)
   { func.line_to (this, draw_data, &st,
 		  to_x, to_y,
-		  user_data.line_to); }
+		  !user_data ? nullptr : user_data->line_to); }
   void emit_quadratic_to (void *draw_data, hb_draw_state_t &st,
 			  float control_x, float control_y,
 			  float to_x, float to_y)
   { func.quadratic_to (this, draw_data, &st,
 		       control_x, control_y,
 		       to_x, to_y,
-		       user_data.quadratic_to); }
+		       !user_data ? nullptr : user_data->quadratic_to); }
   void emit_cubic_to (void *draw_data, hb_draw_state_t &st,
 		      float control1_x, float control1_y,
 		      float control2_x, float control2_y,
@@ -87,10 +87,10 @@ struct hb_draw_funcs_t
 		   control1_x, control1_y,
 		   control2_x, control2_y,
 		   to_x, to_y,
-		   user_data.cubic_to); }
+		   !user_data ? nullptr : user_data->cubic_to); }
   void emit_close_path (void *draw_data, hb_draw_state_t &st)
   { func.close_path (this, draw_data, &st,
-		     user_data.close_path); }
+		     !user_data ? nullptr : user_data->close_path); }
 
 
   void move_to (void *draw_data, hb_draw_state_t &st,
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.cc b/src/3rdparty/harfbuzz-ng/src/hb-face.cc
index 5365598636..8b4b635c7a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-face.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-face.cc
@@ -132,7 +132,7 @@ hb_face_create_for_tables (hb_reference_table_func_t  reference_table_func,
   face->user_data = user_data;
   face->destroy = destroy;
 
-  face->num_glyphs.set_relaxed (-1);
+  face->num_glyphs = -1;
 
   face->data.init0 (face);
   face->table.init0 (face);
@@ -190,7 +190,7 @@ _hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void
 }
 
 /**
- * hb_face_create: (Xconstructor)
+ * hb_face_create:
  * @blob: #hb_blob_t to work upon
  * @index: The index of the face within @blob
  *
@@ -288,6 +288,7 @@ hb_face_destroy (hb_face_t *face)
 {
   if (!hb_object_destroy (face)) return;
 
+#ifndef HB_NO_SHAPER
   for (hb_face_t::plan_node_t *node = face->shape_plans; node; )
   {
     hb_face_t::plan_node_t *next = node->next;
@@ -295,6 +296,7 @@ hb_face_destroy (hb_face_t *face)
     hb_free (node);
     node = next;
   }
+#endif
 
   face->data.fini ();
   face->table.fini ();
@@ -315,7 +317,7 @@ hb_face_destroy (hb_face_t *face)
  *
  * Attaches a user-data key/data pair to the given face object.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -371,7 +373,7 @@ hb_face_make_immutable (hb_face_t *face)
  *
  * Tests whether the given face object is immutable.
  *
- * Return value: %true is @face is immutable, %false otherwise
+ * Return value: `true` is @face is immutable, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -479,7 +481,7 @@ hb_face_set_upem (hb_face_t    *face,
   if (hb_object_is_immutable (face))
     return;
 
-  face->upem.set_relaxed (upem);
+  face->upem = upem;
 }
 
 /**
@@ -514,7 +516,7 @@ hb_face_set_glyph_count (hb_face_t    *face,
   if (hb_object_is_immutable (face))
     return;
 
-  face->num_glyphs.set_relaxed (glyph_count);
+  face->num_glyphs = glyph_count;
 }
 
 /**
@@ -633,20 +635,29 @@ hb_face_collect_variation_unicodes (hb_face_t *face,
  * face-builder: A face that has add_table().
  */
 
+struct face_table_info_t
+{
+  hb_blob_t* data;
+  signed order;
+};
+
 struct hb_face_builder_data_t
 {
-  hb_hashmap_t<hb_tag_t, hb_blob_t *> tables;
+  hb_hashmap_t<hb_tag_t, face_table_info_t> tables;
 };
 
 static int compare_entries (const void* pa, const void* pb)
 {
-  const auto& a = * (const hb_pair_t<hb_tag_t, hb_blob_t*> *) pa;
-  const auto& b = * (const hb_pair_t<hb_tag_t, hb_blob_t*> *) pb;
+  const auto& a = * (const hb_pair_t<hb_tag_t, face_table_info_t> *) pa;
+  const auto& b = * (const hb_pair_t<hb_tag_t, face_table_info_t> *) pb;
 
   /* Order by blob size first (smallest to largest) and then table tag */
 
-  if (a.second->length != b.second->length)
-    return a.second->length < b.second->length ? -1 : +1;
+  if (a.second.order != b.second.order)
+    return a.second.order < b.second.order ? -1 : +1;
+
+  if (a.second.data->length != b.second.data->length)
+    return a.second.data->length < b.second.data->length ? -1 : +1;
 
   return a.first < b.first ? -1 : a.first == b.first ? 0 : +1;
 }
@@ -668,8 +679,8 @@ _hb_face_builder_data_destroy (void *user_data)
 {
   hb_face_builder_data_t *data = (hb_face_builder_data_t *) user_data;
 
-  for (hb_blob_t* b : data->tables.values())
-    hb_blob_destroy (b);
+  for (auto info : data->tables.values())
+    hb_blob_destroy (info.data);
 
   data->tables.fini ();
 
@@ -683,8 +694,8 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data)
   unsigned int table_count = data->tables.get_population ();
   unsigned int face_length = table_count * 16 + 12;
 
-  for (hb_blob_t* b : data->tables.values())
-    face_length += hb_ceil_to_4 (hb_blob_get_length (b));
+  for (auto info : data->tables.values())
+    face_length += hb_ceil_to_4 (hb_blob_get_length (info.data));
 
   char *buf = (char *) hb_malloc (face_length);
   if (unlikely (!buf))
@@ -699,7 +710,7 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data)
   hb_tag_t sfnt_tag = is_cff ? OT::OpenTypeFontFile::CFFTag : OT::OpenTypeFontFile::TrueTypeTag;
 
   // Sort the tags so that produced face is deterministic.
-  hb_vector_t<hb_pair_t <hb_tag_t, hb_blob_t*>> sorted_entries;
+  hb_vector_t<hb_pair_t <hb_tag_t, face_table_info_t>> sorted_entries;
   data->tables.iter () | hb_sink (sorted_entries);
   if (unlikely (sorted_entries.in_error ()))
   {
@@ -708,7 +719,13 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data)
   }
 
   sorted_entries.qsort (compare_entries);
-  bool ret = f->serialize_single (&c, sfnt_tag, + sorted_entries.iter());
+
+  bool ret = f->serialize_single (&c,
+                                  sfnt_tag,
+                                  + sorted_entries.iter()
+                                  | hb_map ([&] (hb_pair_t<hb_tag_t, face_table_info_t> _) {
+                                    return hb_pair_t<hb_tag_t, hb_blob_t*> (_.first, _.second.data);
+                                  }));
 
   c.end_serialize ();
 
@@ -729,7 +746,7 @@ _hb_face_builder_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void
   if (!tag)
     return _hb_face_builder_data_reference_blob (data);
 
-  return hb_blob_reference (data->tables[tag]);
+  return hb_blob_reference (data->tables[tag].data);
 }
 
 
@@ -769,16 +786,16 @@ hb_face_builder_create ()
 hb_bool_t
 hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
 {
-  if (tag == HB_MAP_VALUE_INVALID)
+  if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy))
     return false;
 
-  if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy))
+  if (tag == HB_MAP_VALUE_INVALID)
     return false;
 
   hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data;
 
-  hb_blob_t* previous = data->tables.get (tag);
-  if (!data->tables.set (tag, hb_blob_reference (blob)))
+  hb_blob_t* previous = data->tables.get (tag).data;
+  if (!data->tables.set (tag, face_table_info_t {hb_blob_reference (blob), -1}))
   {
     hb_blob_destroy (blob);
     return false;
@@ -787,3 +804,39 @@ hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob)
   hb_blob_destroy (previous);
   return true;
 }
+
+/**
+ * hb_face_builder_sort_tables:
+ * @face: A face object created with hb_face_builder_create()
+ * @tags: (array zero-terminated=1): ordered list of table tags terminated by
+ *   %HB_TAG_NONE
+ *
+ * Set the ordering of tables for serialization. Any tables not
+ * specified in the tags list will be ordered after the tables in
+ * tags, ordered by the default sort ordering.
+ *
+ * Since: 5.3.0
+ **/
+void
+hb_face_builder_sort_tables (hb_face_t *face,
+                             const hb_tag_t  *tags)
+{
+  if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy))
+    return;
+
+  hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data;
+
+  // Sort all unspecified tables after any specified tables.
+  for (auto& info : data->tables.values_ref())
+    info.order = (unsigned) -1;
+
+  signed order = 0;
+  for (const hb_tag_t* tag = tags;
+       *tag;
+       tag++)
+  {
+    face_table_info_t* info;
+    if (!data->tables.has (*tag, &info)) continue;
+    info->order = order++;
+  }
+}
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.h b/src/3rdparty/harfbuzz-ng/src/hb-face.h
index 6ef2f8b886..38e7104af6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-face.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-face.h
@@ -171,6 +171,10 @@ hb_face_builder_add_table (hb_face_t *face,
 			   hb_tag_t   tag,
 			   hb_blob_t *blob);
 
+HB_EXTERN void
+hb_face_builder_sort_tables (hb_face_t *face,
+                             const hb_tag_t  *tags);
+
 
 HB_END_DECLS
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.hh b/src/3rdparty/harfbuzz-ng/src/hb-face.hh
index 765f272858..1bf0606e52 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-face.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-face.hh
@@ -65,7 +65,9 @@ struct hb_face_t
     hb_shape_plan_t *shape_plan;
     plan_node_t *next;
   };
+#ifndef HB_NO_SHAPER
   hb_atomic_ptr_t<plan_node_t> shape_plans;
+#endif
 
   hb_blob_t *reference_table (hb_tag_t tag) const
   {
@@ -83,7 +85,7 @@ struct hb_face_t
 
   unsigned int get_upem () const
   {
-    unsigned int ret = upem.get_relaxed ();
+    unsigned int ret = upem;
     if (unlikely (!ret))
     {
       return load_upem ();
@@ -93,7 +95,7 @@ struct hb_face_t
 
   unsigned int get_num_glyphs () const
   {
-    unsigned int ret = num_glyphs.get_relaxed ();
+    unsigned int ret = num_glyphs;
     if (unlikely (ret == UINT_MAX))
       return load_num_glyphs ();
     return ret;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc b/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc
index f8524ecc8e..c54ad8764b 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc
@@ -75,16 +75,6 @@ _hb_fallback_shape (hb_shape_plan_t    *shape_plan HB_UNUSED,
 		    const hb_feature_t *features HB_UNUSED,
 		    unsigned int        num_features HB_UNUSED)
 {
-  /* TODO
-   *
-   * - Apply fallback kern.
-   * - Handle Variation Selectors?
-   * - Apply normalization?
-   *
-   * This will make the fallback shaper into a dumb "TrueType"
-   * shaper which many people unfortunately still request.
-   */
-
   hb_codepoint_t space;
   bool has_space = (bool) font->get_nominal_glyph (' ', &space);
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-font.cc
index db05f017a5..0ce3e2608a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-font.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-font.cc
@@ -71,7 +71,7 @@ hb_font_get_font_h_extents_nil (hb_font_t         *font HB_UNUSED,
 				hb_font_extents_t *extents,
 				void              *user_data HB_UNUSED)
 {
-  memset (extents, 0, sizeof (*extents));
+  hb_memset (extents, 0, sizeof (*extents));
   return false;
 }
 
@@ -96,7 +96,7 @@ hb_font_get_font_v_extents_nil (hb_font_t         *font HB_UNUSED,
 				hb_font_extents_t *extents,
 				void              *user_data HB_UNUSED)
 {
-  memset (extents, 0, sizeof (*extents));
+  hb_memset (extents, 0, sizeof (*extents));
   return false;
 }
 
@@ -409,7 +409,7 @@ hb_font_get_glyph_extents_nil (hb_font_t          *font HB_UNUSED,
 			       hb_glyph_extents_t *extents,
 			       void               *user_data HB_UNUSED)
 {
-  memset (extents, 0, sizeof (*extents));
+  hb_memset (extents, 0, sizeof (*extents));
   return false;
 }
 
@@ -518,6 +518,7 @@ typedef struct hb_font_get_glyph_shape_default_adaptor_t {
   void		  *draw_data;
   float		   x_scale;
   float		   y_scale;
+  float		   slant;
 } hb_font_get_glyph_shape_default_adaptor_t;
 
 static void
@@ -530,9 +531,10 @@ hb_draw_move_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED,
   hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
   float x_scale = adaptor->x_scale;
   float y_scale = adaptor->y_scale;
+  float slant   = adaptor->slant;
 
   adaptor->draw_funcs->emit_move_to (adaptor->draw_data, *st,
-				     x_scale * to_x, y_scale * to_y);
+				     x_scale * to_x + slant * to_y, y_scale * to_y);
 }
 
 static void
@@ -544,12 +546,13 @@ hb_draw_line_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
   hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
   float x_scale = adaptor->x_scale;
   float y_scale = adaptor->y_scale;
+  float slant   = adaptor->slant;
 
-  st->current_x *= x_scale;
-  st->current_y *= y_scale;
+  st->current_x = st->current_x * x_scale + st->current_y * slant;
+  st->current_y = st->current_y * y_scale;
 
   adaptor->draw_funcs->emit_line_to (adaptor->draw_data, *st,
-				     x_scale * to_x, y_scale * to_y);
+				     x_scale * to_x + slant * to_y, y_scale * to_y);
 }
 
 static void
@@ -562,13 +565,14 @@ hb_draw_quadratic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data
   hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
   float x_scale = adaptor->x_scale;
   float y_scale = adaptor->y_scale;
+  float slant   = adaptor->slant;
 
-  st->current_x *= x_scale;
-  st->current_y *= y_scale;
+  st->current_x = st->current_x * x_scale + st->current_y * slant;
+  st->current_y = st->current_y * y_scale;
 
   adaptor->draw_funcs->emit_quadratic_to (adaptor->draw_data, *st,
-					  x_scale * control_x, y_scale * control_y,
-					  x_scale * to_x, y_scale * to_y);
+					  x_scale * control_x + slant * control_y, y_scale * control_y,
+					  x_scale * to_x + slant * to_y, y_scale * to_y);
 }
 
 static void
@@ -582,14 +586,15 @@ hb_draw_cubic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
   hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
   float x_scale = adaptor->x_scale;
   float y_scale = adaptor->y_scale;
+  float slant   = adaptor->slant;
 
-  st->current_x *= x_scale;
-  st->current_y *= y_scale;
+  st->current_x = st->current_x * x_scale + st->current_y * slant;
+  st->current_y = st->current_y * y_scale;
 
   adaptor->draw_funcs->emit_cubic_to (adaptor->draw_data, *st,
-				      x_scale * control1_x, y_scale * control1_y,
-				      x_scale * control2_x, y_scale * control2_y,
-				      x_scale * to_x, y_scale * to_y);
+				      x_scale * control1_x + slant * control1_y, y_scale * control1_y,
+				      x_scale * control2_x + slant * control2_y, y_scale * control2_y,
+				      x_scale * to_x + slant * to_y, y_scale * to_y);
 }
 
 static void
@@ -623,8 +628,10 @@ hb_font_get_glyph_shape_default (hb_font_t       *font,
   hb_font_get_glyph_shape_default_adaptor_t adaptor = {
     draw_funcs,
     draw_data,
-    (float) font->x_scale / (float) font->parent->x_scale,
-    (float) font->y_scale / (float) font->parent->y_scale
+    font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0.f,
+    font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f,
+    font->parent->y_scale ? (font->slant - font->parent->slant) *
+			    (float) font->x_scale / (float) font->parent->y_scale : 0.f
   };
 
   font->parent->get_glyph_shape (glyph,
@@ -636,16 +643,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
 {
   HB_OBJECT_HEADER_STATIC,
 
-  {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
-    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-  },
-  {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
-    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-  },
+  nullptr,
+  nullptr,
   {
     {
 #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil,
@@ -658,16 +657,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
 static const hb_font_funcs_t _hb_font_funcs_default = {
   HB_OBJECT_HEADER_STATIC,
 
-  {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
-    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-  },
-  {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
-    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-  },
+  nullptr,
+  nullptr,
   {
     {
 #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_default,
@@ -679,7 +670,7 @@ static const hb_font_funcs_t _hb_font_funcs_default = {
 
 
 /**
- * hb_font_funcs_create: (Xconstructor)
+ * hb_font_funcs_create:
  *
  * Creates a new #hb_font_funcs_t structure of font functions.
  *
@@ -746,10 +737,16 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
 {
   if (!hb_object_destroy (ffuncs)) return;
 
-#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \
-  ffuncs->destroy.name (ffuncs->user_data.name);
-  HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+  if (ffuncs->destroy)
+  {
+#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy->name) \
+    ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name);
+    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
+  }
+
+  hb_free (ffuncs->destroy);
+  hb_free (ffuncs->user_data);
 
   hb_free (ffuncs);
 }
@@ -764,7 +761,7 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
  *
  * Attaches a user-data key/data pair to the specified font-functions structure.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -791,8 +788,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t    *ffuncs,
  * Since: 0.9.2
  **/
 void *
-hb_font_funcs_get_user_data (hb_font_funcs_t    *ffuncs,
-			     hb_user_data_key_t *key)
+hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs,
+			     hb_user_data_key_t    *key)
 {
   return hb_object_get_user_data (ffuncs, key);
 }
@@ -821,7 +818,7 @@ hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs)
  *
  * Tests whether a font-functions structure is immutable.
  *
- * Return value: %true if @ffuncs is immutable, %false otherwise
+ * Return value: `true` if @ffuncs is immutable, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -832,6 +829,56 @@ hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs)
 }
 
 
+static bool
+_hb_font_funcs_set_preamble (hb_font_funcs_t    *ffuncs,
+			     bool                func_is_null,
+			     void              **user_data,
+			     hb_destroy_func_t  *destroy)
+{
+  if (hb_object_is_immutable (ffuncs))
+  {
+    if (*destroy)
+      (*destroy) (*user_data);
+    return false;
+  }
+
+  if (func_is_null)
+  {
+    if (*destroy)
+      (*destroy) (*user_data);
+    *destroy = nullptr;
+    *user_data = nullptr;
+  }
+
+  return true;
+}
+
+static bool
+_hb_font_funcs_set_middle (hb_font_funcs_t   *ffuncs,
+			   void              *user_data,
+			   hb_destroy_func_t  destroy)
+{
+  if (user_data && !ffuncs->user_data)
+  {
+    ffuncs->user_data = (decltype (ffuncs->user_data)) hb_calloc (1, sizeof (*ffuncs->user_data));
+    if (unlikely (!ffuncs->user_data))
+      goto fail;
+  }
+  if (destroy && !ffuncs->destroy)
+  {
+    ffuncs->destroy = (decltype (ffuncs->destroy)) hb_calloc (1, sizeof (*ffuncs->destroy));
+    if (unlikely (!ffuncs->destroy))
+      goto fail;
+  }
+
+  return true;
+
+fail:
+  if (destroy)
+    (destroy) (user_data);
+  return false;
+}
+
 #define HB_FONT_FUNC_IMPLEMENT(name) \
 									 \
 void                                                                     \
@@ -840,25 +887,24 @@ hb_font_funcs_set_##name##_func (hb_font_funcs_t             *ffuncs,    \
 				 void                        *user_data, \
 				 hb_destroy_func_t            destroy)   \
 {                                                                        \
-  if (hb_object_is_immutable (ffuncs))                                   \
-  {                                                                      \
-    if (destroy)                                                         \
-      destroy (user_data);                                               \
-    return;                                                              \
-  }                                                                      \
+  if (!_hb_font_funcs_set_preamble (ffuncs, !func, &user_data, &destroy))\
+      return;                                                            \
 									 \
-  if (ffuncs->destroy.name)                                              \
-    ffuncs->destroy.name (ffuncs->user_data.name);                       \
+  if (ffuncs->destroy && ffuncs->destroy->name)                          \
+    ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name); \
+                                                                         \
+  if (!_hb_font_funcs_set_middle (ffuncs, user_data, destroy))           \
+      return;                                                            \
 									 \
-  if (func) {                                                            \
+  if (func)                                                              \
     ffuncs->get.f.name = func;                                           \
-    ffuncs->user_data.name = user_data;                                  \
-    ffuncs->destroy.name = destroy;                                      \
-  } else {                                                               \
+  else                                                                   \
     ffuncs->get.f.name = hb_font_get_##name##_default;                   \
-    ffuncs->user_data.name = nullptr;                                    \
-    ffuncs->destroy.name = nullptr;                                      \
-  }                                                                      \
+									 \
+  if (ffuncs->user_data)                                                 \
+    ffuncs->user_data->name = user_data;                                 \
+  if (ffuncs->destroy)                                                   \
+    ffuncs->destroy->name = destroy;                                     \
 }
 
 HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
@@ -887,7 +933,7 @@ hb_font_t::has_func (unsigned int i)
  * Fetches the extents for a specified font, for horizontal
  * text segments.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 1.1.3
  **/
@@ -906,7 +952,7 @@ hb_font_get_h_extents (hb_font_t         *font,
  * Fetches the extents for a specified font, for vertical
  * text segments.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 1.1.3
  **/
@@ -930,7 +976,7 @@ hb_font_get_v_extents (hb_font_t         *font,
  * If @variation_selector is 0, calls hb_font_get_nominal_glyph();
  * otherwise calls hb_font_get_variation_glyph().
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -958,7 +1004,7 @@ hb_font_get_glyph (hb_font_t      *font,
  * for code points modified by variation selectors. For variation-selector
  * support, user hb_font_get_variation_glyph() or use hb_font_get_glyph().
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 1.2.3
  **/
@@ -1010,7 +1056,7 @@ hb_font_get_nominal_glyphs (hb_font_t *font,
  * by the specified variation-selector code point, in the specified
  * font.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 1.2.3
  **/
@@ -1120,7 +1166,7 @@ hb_font_get_glyph_v_advances (hb_font_t*            font,
  * Fetches the (X,Y) coordinates of the origin for a glyph ID
  * in the specified font, for horizontal text segments.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1143,7 +1189,7 @@ hb_font_get_glyph_h_origin (hb_font_t      *font,
  * Fetches the (X,Y) coordinates of the origin for a glyph ID
  * in the specified font, for vertical text segments.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1216,7 +1262,7 @@ hb_font_get_glyph_v_kerning (hb_font_t      *font,
  * Fetches the #hb_glyph_extents_t data for a glyph ID
  * in the specified font.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1239,7 +1285,7 @@ hb_font_get_glyph_extents (hb_font_t          *font,
  * Fetches the (x,y) coordinates of a specified contour-point index
  * in the specified glyph, within the specified font.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1262,7 +1308,7 @@ hb_font_get_glyph_contour_point (hb_font_t      *font,
  *
  * Fetches the glyph-name string for a glyph ID in the specified @font.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1286,7 +1332,7 @@ hb_font_get_glyph_name (hb_font_t      *font,
  *
  * <note>Note: @len == -1 means the name string is null-terminated.</note>
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1307,7 +1353,7 @@ hb_font_get_glyph_from_name (hb_font_t      *font,
  * @draw_data: User data to pass to draw callbacks
  *
  * Fetches the glyph shape that corresponds to a glyph in the specified @font.
- * The shape is returned by way of calls to the callsbacks of the @dfuncs
+ * The shape is returned by way of calls to the callbacks of the @dfuncs
  * objects, with @draw_data passed to them.
  *
  * Since: 4.0.0
@@ -1521,7 +1567,7 @@ hb_font_get_glyph_kerning_for_direction (hb_font_t      *font,
  * Calls the appropriate direction-specific variant (horizontal
  * or vertical) depending on the value of @direction.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1550,7 +1596,7 @@ hb_font_get_glyph_extents_for_origin (hb_font_t          *font,
  * Calls the appropriate direction-specific variant (horizontal
  * or vertical) depending on the value of @direction.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1601,7 +1647,7 @@ hb_font_glyph_to_string (hb_font_t      *font,
  *
  * <note>Note: @len == -1 means the string is null-terminated.</note>
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1623,6 +1669,9 @@ DEFINE_NULL_INSTANCE (hb_font_t) =
 {
   HB_OBJECT_HEADER_STATIC,
 
+  0, /* serial */
+  0, /* serial_coords */
+
   nullptr, /* parent */
   const_cast<hb_face_t *> (&_hb_Null_hb_face_t),
 
@@ -1630,6 +1679,8 @@ DEFINE_NULL_INSTANCE (hb_font_t) =
   1000, /* y_scale */
   0., /* slant */
   0., /* slant_xy; */
+  1.f, /* x_multf */
+  1.f, /* y_multf */
   1<<16, /* x_mult */
   1<<16, /* y_mult */
 
@@ -1654,6 +1705,7 @@ _hb_font_create (hb_face_t *face)
 
   if (unlikely (!face))
     face = hb_face_get_empty ();
+
   if (!(font = hb_object_create<hb_font_t> ()))
     return hb_font_get_empty ();
 
@@ -1662,14 +1714,15 @@ _hb_font_create (hb_face_t *face)
   font->face = hb_face_reference (face);
   font->klass = hb_font_funcs_get_empty ();
   font->data.init0 (font);
-  font->x_scale = font->y_scale = hb_face_get_upem (face);
+  font->x_scale = font->y_scale = face->get_upem ();
+  font->x_multf = font->y_multf = 1.f;
   font->x_mult = font->y_mult = 1 << 16;
 
   return font;
 }
 
 /**
- * hb_font_create: (Xconstructor)
+ * hb_font_create:
  * @face: a face.
  *
  * Constructs a new font object from the specified face.
@@ -1715,6 +1768,8 @@ _hb_font_adopt_var_coords (hb_font_t *font,
   font->coords = coords;
   font->design_coords = design_coords;
   font->num_coords = coords_length;
+
+  font->mults_changed (); // Easiest to call this to drop cached data
 }
 
 /**
@@ -1744,7 +1799,6 @@ hb_font_create_sub_font (hb_font_t *parent)
   font->x_scale = parent->x_scale;
   font->y_scale = parent->y_scale;
   font->slant = parent->slant;
-  font->mults_changed ();
   font->x_ppem = parent->x_ppem;
   font->y_ppem = parent->y_ppem;
   font->ptem = parent->ptem;
@@ -1756,8 +1810,8 @@ hb_font_create_sub_font (hb_font_t *parent)
     float *design_coords = (float *) hb_calloc (num_coords, sizeof (parent->design_coords[0]));
     if (likely (coords && design_coords))
     {
-      memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0]));
-      memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0]));
+      hb_memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0]));
+      hb_memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0]));
       _hb_font_adopt_var_coords (font, coords, design_coords, num_coords);
     }
     else
@@ -1767,6 +1821,8 @@ hb_font_create_sub_font (hb_font_t *parent)
     }
   }
 
+  font->mults_changed ();
+
   return font;
 }
 
@@ -1841,7 +1897,7 @@ hb_font_destroy (hb_font_t *font)
  *
  * Attaches a user-data key/data pair to the specified font object.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1852,6 +1908,9 @@ hb_font_set_user_data (hb_font_t          *font,
 		       hb_destroy_func_t   destroy /* May be NULL. */,
 		       hb_bool_t           replace)
 {
+  if (!hb_object_is_immutable (font))
+    font->serial++;
+
   return hb_object_set_user_data (font, key, data, destroy, replace);
 }
 
@@ -1868,7 +1927,7 @@ hb_font_set_user_data (hb_font_t          *font,
  * Since: 0.9.2
  **/
 void *
-hb_font_get_user_data (hb_font_t          *font,
+hb_font_get_user_data (const hb_font_t    *font,
 		       hb_user_data_key_t *key)
 {
   return hb_object_get_user_data (font, key);
@@ -1900,7 +1959,7 @@ hb_font_make_immutable (hb_font_t *font)
  *
  * Tests whether a font object is immutable.
  *
- * Return value: %true if @font is immutable, %false otherwise
+ * Return value: `true` if @font is immutable, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -1911,6 +1970,45 @@ hb_font_is_immutable (hb_font_t *font)
 }
 
 /**
+ * hb_font_get_serial:
+ * @font: #hb_font_t to work upon
+ *
+ * Returns the internal serial number of the font. The serial
+ * number is increased every time a setting on the font is
+ * changed, using a setter function.
+ *
+ * Return value: serial number
+ *
+ * Since: 4.4.0
+ **/
+unsigned int
+hb_font_get_serial (hb_font_t *font)
+{
+  return font->serial;
+}
+
+/**
+ * hb_font_changed:
+ * @font: #hb_font_t to work upon
+ *
+ * Notifies the @font that underlying font data has changed.
+ * This has the effect of increasing the serial as returned
+ * by hb_font_get_serial(), which invalidates internal caches.
+ *
+ * Since: 4.4.0
+ **/
+void
+hb_font_changed (hb_font_t *font)
+{
+  if (hb_object_is_immutable (font))
+    return;
+
+  font->serial++;
+
+  font->mults_changed ();
+}
+
+/**
  * hb_font_set_parent:
  * @font: #hb_font_t to work upon
  * @parent: The parent font object to assign
@@ -1926,6 +2024,11 @@ hb_font_set_parent (hb_font_t *font,
   if (hb_object_is_immutable (font))
     return;
 
+  if (parent == font->parent)
+    return;
+
+  font->serial++;
+
   if (!parent)
     parent = hb_font_get_empty ();
 
@@ -1968,6 +2071,11 @@ hb_font_set_face (hb_font_t *font,
   if (hb_object_is_immutable (font))
     return;
 
+  if (face == font->face)
+    return;
+
+  font->serial++;
+
   if (unlikely (!face))
     face = hb_face_get_empty ();
 
@@ -2022,6 +2130,8 @@ hb_font_set_funcs (hb_font_t         *font,
     return;
   }
 
+  font->serial++;
+
   if (font->destroy)
     font->destroy (font->user_data);
 
@@ -2059,6 +2169,8 @@ hb_font_set_funcs_data (hb_font_t         *font,
     return;
   }
 
+  font->serial++;
+
   if (font->destroy)
     font->destroy (font->user_data);
 
@@ -2085,6 +2197,11 @@ hb_font_set_scale (hb_font_t *font,
   if (hb_object_is_immutable (font))
     return;
 
+  if (font->x_scale == x_scale && font->y_scale == y_scale)
+    return;
+
+  font->serial++;
+
   font->x_scale = x_scale;
   font->y_scale = y_scale;
   font->mults_changed ();
@@ -2127,6 +2244,11 @@ hb_font_set_ppem (hb_font_t    *font,
   if (hb_object_is_immutable (font))
     return;
 
+  if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
+    return;
+
+  font->serial++;
+
   font->x_ppem = x_ppem;
   font->y_ppem = y_ppem;
 }
@@ -2169,6 +2291,11 @@ hb_font_set_ptem (hb_font_t *font,
   if (hb_object_is_immutable (font))
     return;
 
+  if (font->ptem == ptem)
+    return;
+
+  font->serial++;
+
   font->ptem = ptem;
 }
 
@@ -2216,6 +2343,11 @@ hb_font_set_synthetic_slant (hb_font_t *font, float slant)
   if (hb_object_is_immutable (font))
     return;
 
+  if (font->slant == slant)
+    return;
+
+  font->serial++;
+
   font->slant = slant;
   font->mults_changed ();
 }
@@ -2263,6 +2395,8 @@ hb_font_set_variations (hb_font_t            *font,
   if (hb_object_is_immutable (font))
     return;
 
+  font->serial_coords = ++font->serial;
+
   if (!variations_length)
   {
     hb_font_set_var_coords_normalized (font, nullptr, 0);
@@ -2283,6 +2417,10 @@ hb_font_set_variations (hb_font_t            *font,
     return;
   }
 
+  /* Initialize design coords to default from fvar. */
+  for (unsigned int i = 0; i < coords_length; i++)
+    design_coords[i] = axes[i].get_default ();
+
   for (unsigned int i = 0; i < variations_length; i++)
   {
     const auto tag = variations[i].tag;
@@ -2322,6 +2460,8 @@ hb_font_set_var_coords_design (hb_font_t    *font,
   if (hb_object_is_immutable (font))
     return;
 
+  font->serial_coords = ++font->serial;
+
   int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr;
   float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
 
@@ -2333,7 +2473,7 @@ hb_font_set_var_coords_design (hb_font_t    *font,
   }
 
   if (coords_length)
-    memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0]));
+    hb_memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0]));
 
   hb_ot_var_normalize_coords (font->face, coords_length, coords, normalized);
   _hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
@@ -2355,6 +2495,8 @@ hb_font_set_var_named_instance (hb_font_t *font,
   if (hb_object_is_immutable (font))
     return;
 
+  font->serial_coords = ++font->serial;
+
   unsigned int coords_length = hb_ot_var_named_instance_get_design_coords (font->face, instance_index, nullptr, nullptr);
 
   float *coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
@@ -2391,6 +2533,8 @@ hb_font_set_var_coords_normalized (hb_font_t    *font,
   if (hb_object_is_immutable (font))
     return;
 
+  font->serial_coords = ++font->serial;
+
   int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
   int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
   float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr;
@@ -2405,8 +2549,8 @@ hb_font_set_var_coords_normalized (hb_font_t    *font,
 
   if (coords_length)
   {
-    memcpy (copy, coords, coords_length * sizeof (coords[0]));
-    memcpy (unmapped, coords, coords_length * sizeof (coords[0]));
+    hb_memcpy (copy, coords, coords_length * sizeof (coords[0]));
+    hb_memcpy (unmapped, coords, coords_length * sizeof (coords[0]));
   }
 
   /* Best effort design coords simulation */
@@ -2596,12 +2740,14 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t          *ffuncs,
     return;
   }
 
+  /* Since we pass it to two destroying functions. */
+  trampoline_reference (&trampoline->closure);
+
   hb_font_funcs_set_nominal_glyph_func (ffuncs,
 					hb_font_get_nominal_glyph_trampoline,
 					trampoline,
 					trampoline_destroy);
 
-  trampoline_reference (&trampoline->closure);
   hb_font_funcs_set_variation_glyph_func (ffuncs,
 					  hb_font_get_variation_glyph_trampoline,
 					  trampoline,
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h
index 9548857535..e2c3df4a5a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-font.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-font.h
@@ -86,8 +86,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t    *ffuncs,
 
 
 HB_EXTERN void *
-hb_font_funcs_get_user_data (hb_font_funcs_t    *ffuncs,
-			     hb_user_data_key_t *key);
+hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs,
+			     hb_user_data_key_t    *key);
 
 
 HB_EXTERN void
@@ -198,7 +198,7 @@ typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t;
  * This method should retrieve the nominal glyph ID for a specified Unicode code
  * point. Glyph IDs must be returned in a #hb_codepoint_t output parameter.
  * 
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data,
@@ -221,7 +221,7 @@ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *fo
  * followed by a specified Variation Selector code point. Glyph IDs must be
  * returned in a #hb_codepoint_t output parameter.
  * 
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data,
@@ -362,7 +362,7 @@ typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_v_advances_func_t;
  * origin for a glyph. Each coordinate must be returned in an #hb_position_t
  * output parameter.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  * 
  **/
 typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data,
@@ -434,7 +434,7 @@ typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t;
  * This method should retrieve the extents for a specified glyph. Extents must be 
  * returned in an #hb_glyph_extents output parameter.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  * 
  **/
 typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
@@ -458,7 +458,7 @@ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *fo
  * specified contour point in a glyph. Each coordinate must be returned as
  * an #hb_position_t output parameter.
  * 
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data,
@@ -481,7 +481,7 @@ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, vo
  * This method should retrieve the glyph name that corresponds to a
  * glyph ID. The name should be returned in a string output parameter.
  * 
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data,
@@ -503,7 +503,7 @@ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_
  * This method should retrieve the glyph ID that corresponds to a glyph-name
  * string. 
  * 
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data,
@@ -993,7 +993,7 @@ hb_font_set_user_data (hb_font_t          *font,
 
 
 HB_EXTERN void *
-hb_font_get_user_data (hb_font_t          *font,
+hb_font_get_user_data (const hb_font_t    *font,
 		       hb_user_data_key_t *key);
 
 HB_EXTERN void
@@ -1002,6 +1002,12 @@ hb_font_make_immutable (hb_font_t *font);
 HB_EXTERN hb_bool_t
 hb_font_is_immutable (hb_font_t *font);
 
+HB_EXTERN unsigned int
+hb_font_get_serial (hb_font_t *font);
+
+HB_EXTERN void
+hb_font_changed (hb_font_t *font);
+
 HB_EXTERN void
 hb_font_set_parent (hb_font_t *font,
 		    hb_font_t *parent);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.hh b/src/3rdparty/harfbuzz-ng/src/hb-font.hh
index 70311b4a85..6942d99c70 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-font.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-font.hh
@@ -68,13 +68,13 @@ struct hb_font_funcs_t
 #define HB_FONT_FUNC_IMPLEMENT(name) void *name;
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
-  } user_data;
+  } *user_data;
 
   struct {
 #define HB_FONT_FUNC_IMPLEMENT(name) hb_destroy_func_t name;
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
-  } destroy;
+  } *destroy;
 
   /* Don't access these directly.  Call font->get_*() instead. */
   union get_t {
@@ -104,6 +104,8 @@ DECLARE_NULL_INSTANCE (hb_font_funcs_t);
 struct hb_font_t
 {
   hb_object_header_t header;
+  unsigned int serial;
+  unsigned int serial_coords;
 
   hb_font_t *parent;
   hb_face_t *face;
@@ -112,6 +114,8 @@ struct hb_font_t
   int32_t y_scale;
   float slant;
   float slant_xy;
+  float x_multf;
+  float y_multf;
   int64_t x_mult;
   int64_t y_mult;
 
@@ -137,12 +141,12 @@ struct hb_font_t
   { return HB_DIRECTION_IS_VERTICAL(direction) ? y_mult : x_mult; }
   hb_position_t em_scale_x (int16_t v) { return em_mult (v, x_mult); }
   hb_position_t em_scale_y (int16_t v) { return em_mult (v, y_mult); }
-  hb_position_t em_scalef_x (float v) { return em_scalef (v, x_scale); }
-  hb_position_t em_scalef_y (float v) { return em_scalef (v, y_scale); }
-  float em_fscale_x (int16_t v) { return em_fscale (v, x_scale); }
-  float em_fscale_y (int16_t v) { return em_fscale (v, y_scale); }
-  float em_fscalef_x (float v) { return em_fscalef (v, x_scale); }
-  float em_fscalef_y (float v) { return em_fscalef (v, y_scale); }
+  hb_position_t em_scalef_x (float v) { return em_multf (v, x_multf); }
+  hb_position_t em_scalef_y (float v) { return em_multf (v, y_multf); }
+  float em_fscale_x (int16_t v) { return em_fmult (v, x_multf); }
+  float em_fscale_y (int16_t v) { return em_fmult (v, y_multf); }
+  float em_fscalef_x (float v) { return em_fmultf (v, x_multf); }
+  float em_fscalef_y (float v) { return em_fmultf (v, y_multf); }
   hb_position_t em_scale_dir (int16_t v, hb_direction_t direction)
   { return em_mult (v, dir_mult (direction)); }
 
@@ -202,17 +206,17 @@ struct hb_font_t
 
   hb_bool_t get_font_h_extents (hb_font_extents_t *extents)
   {
-    memset (extents, 0, sizeof (*extents));
+    hb_memset (extents, 0, sizeof (*extents));
     return klass->get.f.font_h_extents (this, user_data,
 					extents,
-					klass->user_data.font_h_extents);
+					!klass->user_data ? nullptr : klass->user_data->font_h_extents);
   }
   hb_bool_t get_font_v_extents (hb_font_extents_t *extents)
   {
-    memset (extents, 0, sizeof (*extents));
+    hb_memset (extents, 0, sizeof (*extents));
     return klass->get.f.font_v_extents (this, user_data,
 					extents,
-					klass->user_data.font_v_extents);
+					!klass->user_data ? nullptr : klass->user_data->font_v_extents);
   }
 
   bool has_glyph (hb_codepoint_t unicode)
@@ -228,7 +232,7 @@ struct hb_font_t
     *glyph = not_found;
     return klass->get.f.nominal_glyph (this, user_data,
 				       unicode, glyph,
-				       klass->user_data.nominal_glyph);
+				       !klass->user_data ? nullptr : klass->user_data->nominal_glyph);
   }
   unsigned int get_nominal_glyphs (unsigned int count,
 				   const hb_codepoint_t *first_unicode,
@@ -240,7 +244,7 @@ struct hb_font_t
 					count,
 					first_unicode, unicode_stride,
 					first_glyph, glyph_stride,
-					klass->user_data.nominal_glyphs);
+					!klass->user_data ? nullptr : klass->user_data->nominal_glyphs);
   }
 
   hb_bool_t get_variation_glyph (hb_codepoint_t unicode, hb_codepoint_t variation_selector,
@@ -250,21 +254,21 @@ struct hb_font_t
     *glyph = not_found;
     return klass->get.f.variation_glyph (this, user_data,
 					 unicode, variation_selector, glyph,
-					 klass->user_data.variation_glyph);
+					 !klass->user_data ? nullptr : klass->user_data->variation_glyph);
   }
 
   hb_position_t get_glyph_h_advance (hb_codepoint_t glyph)
   {
     return klass->get.f.glyph_h_advance (this, user_data,
 					 glyph,
-					 klass->user_data.glyph_h_advance);
+					 !klass->user_data ? nullptr : klass->user_data->glyph_h_advance);
   }
 
   hb_position_t get_glyph_v_advance (hb_codepoint_t glyph)
   {
     return klass->get.f.glyph_v_advance (this, user_data,
 					 glyph,
-					 klass->user_data.glyph_v_advance);
+					 !klass->user_data ? nullptr : klass->user_data->glyph_v_advance);
   }
 
   void get_glyph_h_advances (unsigned int count,
@@ -277,7 +281,7 @@ struct hb_font_t
 					  count,
 					  first_glyph, glyph_stride,
 					  first_advance, advance_stride,
-					  klass->user_data.glyph_h_advances);
+					  !klass->user_data ? nullptr : klass->user_data->glyph_h_advances);
   }
 
   void get_glyph_v_advances (unsigned int count,
@@ -290,7 +294,7 @@ struct hb_font_t
 					  count,
 					  first_glyph, glyph_stride,
 					  first_advance, advance_stride,
-					  klass->user_data.glyph_v_advances);
+					  !klass->user_data ? nullptr : klass->user_data->glyph_v_advances);
   }
 
   hb_bool_t get_glyph_h_origin (hb_codepoint_t glyph,
@@ -299,7 +303,7 @@ struct hb_font_t
     *x = *y = 0;
     return klass->get.f.glyph_h_origin (this, user_data,
 					glyph, x, y,
-					klass->user_data.glyph_h_origin);
+					!klass->user_data ? nullptr : klass->user_data->glyph_h_origin);
   }
 
   hb_bool_t get_glyph_v_origin (hb_codepoint_t glyph,
@@ -308,7 +312,7 @@ struct hb_font_t
     *x = *y = 0;
     return klass->get.f.glyph_v_origin (this, user_data,
 					glyph, x, y,
-					klass->user_data.glyph_v_origin);
+					!klass->user_data ? nullptr : klass->user_data->glyph_v_origin);
   }
 
   hb_position_t get_glyph_h_kerning (hb_codepoint_t left_glyph,
@@ -319,7 +323,7 @@ struct hb_font_t
 #else
     return klass->get.f.glyph_h_kerning (this, user_data,
 					 left_glyph, right_glyph,
-					 klass->user_data.glyph_h_kerning);
+					 !klass->user_data ? nullptr : klass->user_data->glyph_h_kerning);
 #endif
   }
 
@@ -331,18 +335,18 @@ struct hb_font_t
 #else
     return klass->get.f.glyph_v_kerning (this, user_data,
 					 top_glyph, bottom_glyph,
-					 klass->user_data.glyph_v_kerning);
+					 !klass->user_data ? nullptr : klass->user_data->glyph_v_kerning);
 #endif
   }
 
   hb_bool_t get_glyph_extents (hb_codepoint_t glyph,
 			       hb_glyph_extents_t *extents)
   {
-    memset (extents, 0, sizeof (*extents));
+    hb_memset (extents, 0, sizeof (*extents));
     return klass->get.f.glyph_extents (this, user_data,
 				       glyph,
 				       extents,
-				       klass->user_data.glyph_extents);
+				       !klass->user_data ? nullptr : klass->user_data->glyph_extents);
   }
 
   hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index,
@@ -352,7 +356,7 @@ struct hb_font_t
     return klass->get.f.glyph_contour_point (this, user_data,
 					     glyph, point_index,
 					     x, y,
-					     klass->user_data.glyph_contour_point);
+					     !klass->user_data ? nullptr : klass->user_data->glyph_contour_point);
   }
 
   hb_bool_t get_glyph_name (hb_codepoint_t glyph,
@@ -362,7 +366,7 @@ struct hb_font_t
     return klass->get.f.glyph_name (this, user_data,
 				    glyph,
 				    name, size,
-				    klass->user_data.glyph_name);
+				    !klass->user_data ? nullptr : klass->user_data->glyph_name);
   }
 
   hb_bool_t get_glyph_from_name (const char *name, int len, /* -1 means nul-terminated */
@@ -373,7 +377,7 @@ struct hb_font_t
     return klass->get.f.glyph_from_name (this, user_data,
 					 name, len,
 					 glyph,
-					 klass->user_data.glyph_from_name);
+					 !klass->user_data ? nullptr : klass->user_data->glyph_from_name);
   }
 
   void get_glyph_shape (hb_codepoint_t glyph,
@@ -382,7 +386,7 @@ struct hb_font_t
     klass->get.f.glyph_shape (this, user_data,
 			      glyph,
 			      draw_funcs, draw_data,
-			      klass->user_data.glyph_shape);
+			      !klass->user_data ? nullptr : klass->user_data->glyph_shape);
   }
 
 
@@ -444,7 +448,6 @@ struct hb_font_t
   {
     *x = get_glyph_h_advance (glyph) / 2;
 
-    /* TODO cache this somehow?! */
     hb_font_extents_t extents;
     get_h_extents_with_fallback (&extents);
     *y = extents.ascender;
@@ -628,20 +631,26 @@ struct hb_font_t
 
   void mults_changed ()
   {
-    signed upem = face->get_upem ();
-    x_mult = ((int64_t) x_scale << 16) / upem;
-    y_mult = ((int64_t) y_scale << 16) / upem;
+    float upem = face->get_upem ();
+    x_multf = x_scale / upem;
+    y_multf = y_scale / upem;
+    bool x_neg = x_scale < 0;
+    x_mult = (x_neg ? -((int64_t) -x_scale << 16) : ((int64_t) x_scale << 16)) / upem;
+    bool y_neg = y_scale < 0;
+    y_mult = (y_neg ? -((int64_t) -y_scale << 16) : ((int64_t) y_scale << 16)) / upem;
     slant_xy = y_scale ? slant * x_scale / y_scale : 0.f;
+
+    data.fini ();
   }
 
   hb_position_t em_mult (int16_t v, int64_t mult)
   { return (hb_position_t) ((v * mult + 32768) >> 16); }
-  hb_position_t em_scalef (float v, int scale)
-  { return (hb_position_t) roundf (em_fscalef (v, scale)); }
-  float em_fscalef (float v, int scale)
-  { return v * scale / face->get_upem (); }
-  float em_fscale (int16_t v, int scale)
-  { return (float) v * scale / face->get_upem (); }
+  hb_position_t em_multf (float v, float mult)
+  { return (hb_position_t) roundf (em_fmultf (v, mult)); }
+  float em_fmultf (float v, float mult)
+  { return v * mult; }
+  float em_fmult (int16_t v, float mult)
+  { return (float) v * mult; }
 };
 DECLARE_NULL_INSTANCE (hb_font_t);
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ft.cc b/src/3rdparty/harfbuzz-ng/src/hb-ft.cc
index 0cfbb22e31..3892dedc13 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ft.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ft.cc
@@ -37,6 +37,8 @@
 #include "hb-font.hh"
 #include "hb-machinery.hh"
 #include "hb-cache.hh"
+#include "hb-ot-os2-table.hh"
+#include "hb-ot-shaper-arabic-pua.hh"
 
 #include FT_ADVANCES_H
 #include FT_MULTIPLE_MASTERS_H
@@ -78,16 +80,19 @@
  */
 
 
+using hb_ft_advance_cache_t = hb_cache_t<16, 24, 8, false>;
+
 struct hb_ft_font_t
 {
-  mutable hb_mutex_t lock;
-  FT_Face ft_face;
   int load_flags;
   bool symbol; /* Whether selected cmap is symbol cmap. */
   bool unref; /* Whether to destroy ft_face when done. */
+  bool transform; /* Whether to apply FT_Face's transform. */
 
-  mutable int cached_x_scale;
-  mutable hb_advance_cache_t advance_cache;
+  mutable hb_mutex_t lock; /* Protects members below. */
+  FT_Face ft_face;
+  mutable unsigned cached_serial;
+  mutable hb_ft_advance_cache_t advance_cache;
 };
 
 static hb_ft_font_t *
@@ -103,7 +108,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
 
   ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING;
 
-  ft_font->cached_x_scale = 0;
+  ft_font->cached_serial = (unsigned) -1;
   ft_font->advance_cache.init ();
 
   return ft_font;
@@ -130,6 +135,85 @@ _hb_ft_font_destroy (void *data)
   hb_free (ft_font);
 }
 
+
+/* hb_font changed, update FT_Face. */
+static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face)
+{
+  hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data;
+
+  float x_mult = 1.f, y_mult = 1.f;
+
+  if (font->x_scale < 0) x_mult = -x_mult;
+  if (font->y_scale < 0) y_mult = -y_mult;
+
+  if (FT_Set_Char_Size (ft_face,
+			abs (font->x_scale), abs (font->y_scale),
+			0, 0
+#if 0
+		    font->x_ppem * 72 * 64 / font->x_scale,
+		    font->y_ppem * 72 * 64 / font->y_scale
+#endif
+     ) && ft_face->num_fixed_sizes)
+  {
+#ifdef HAVE_FT_GET_TRANSFORM
+    /* Bitmap font, eg. bitmap color emoji. */
+    /* TODO Pick largest size? */
+    int x_scale  = ft_face->available_sizes[0].x_ppem;
+    int y_scale = ft_face->available_sizes[0].y_ppem;
+    FT_Set_Char_Size (ft_face,
+		      x_scale, y_scale,
+		      0, 0);
+
+    /* This contains the sign that was previously in x_mult/y_mult. */
+    x_mult = (float) font->x_scale / x_scale;
+    y_mult = (float) font->y_scale / y_scale;
+#endif
+  }
+  else
+  { /* Shrug */ }
+
+
+  if (x_mult != 1.f || y_mult != 1.f)
+  {
+    FT_Matrix matrix = { (int) roundf (x_mult * (1<<16)), 0,
+			  0, (int) roundf (y_mult * (1<<16))};
+    FT_Set_Transform (ft_face, &matrix, nullptr);
+    ft_font->transform = true;
+  }
+
+#if defined(HAVE_FT_GET_VAR_BLEND_COORDINATES) && !defined(HB_NO_VAR)
+  unsigned int num_coords;
+  const float *coords = hb_font_get_var_coords_design (font, &num_coords);
+  if (num_coords)
+  {
+    FT_Fixed *ft_coords = (FT_Fixed *) hb_calloc (num_coords, sizeof (FT_Fixed));
+    if (ft_coords)
+    {
+      for (unsigned int i = 0; i < num_coords; i++)
+	  ft_coords[i] = coords[i] * 65536.f;
+      FT_Set_Var_Design_Coordinates (ft_face, num_coords, ft_coords);
+      hb_free (ft_coords);
+    }
+  }
+#endif
+}
+
+/* Check if hb_font changed, update FT_Face. */
+static inline bool
+_hb_ft_hb_font_check_changed (hb_font_t *font,
+			      const hb_ft_font_t *ft_font)
+{
+  if (font->serial != ft_font->cached_serial)
+  {
+    _hb_ft_hb_font_changed (font, ft_font->ft_face);
+    ft_font->advance_cache.clear ();
+    ft_font->cached_serial = font->serial;
+    return true;
+  }
+  return false;
+}
+
+
 /**
  * hb_ft_font_set_load_flags:
  * @font: #hb_font_t to work upon
@@ -181,13 +265,13 @@ hb_ft_font_get_load_flags (hb_font_t *font)
 }
 
 /**
- * hb_ft_font_get_face:
+ * hb_ft_font_get_face: (skip)
  * @font: #hb_font_t to work upon
  *
  * Fetches the FT_Face associated with the specified #hb_font_t
  * font object.
  *
- * Return value: (nullable): the FT_Face found or %NULL
+ * Return value: (nullable): the FT_Face found or `NULL`
  *
  * Since: 0.9.2
  **/
@@ -203,13 +287,13 @@ hb_ft_font_get_face (hb_font_t *font)
 }
 
 /**
- * hb_ft_font_lock_face:
+ * hb_ft_font_lock_face: (skip)
  * @font: #hb_font_t to work upon
  *
  * Gets the FT_Face associated with @font, This face will be kept around until
  * you call hb_ft_font_unlock_face().
  *
- * Return value: (nullable): the FT_Face associated with @font or %NULL
+ * Return value: (nullable) (transfer none): the FT_Face associated with @font or `NULL`
  * Since: 2.6.5
  **/
 FT_Face
@@ -226,7 +310,7 @@ hb_ft_font_lock_face (hb_font_t *font)
 }
 
 /**
- * hb_ft_font_unlock_face:
+ * hb_ft_font_unlock_face: (skip)
  * @font: #hb_font_t to work upon
  *
  * Releases an FT_Face previously obtained with hb_ft_font_lock_face().
@@ -246,7 +330,7 @@ hb_ft_font_unlock_face (hb_font_t *font)
 
 
 static hb_bool_t
-hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED,
+hb_ft_get_nominal_glyph (hb_font_t *font,
 			 void *font_data,
 			 hb_codepoint_t unicode,
 			 hb_codepoint_t *glyph,
@@ -258,14 +342,29 @@ hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED,
 
   if (unlikely (!g))
   {
-    if (unlikely (ft_font->symbol) && unicode <= 0x00FFu)
+    if (unlikely (ft_font->symbol))
     {
-      /* For symbol-encoded OpenType fonts, we duplicate the
-       * U+F000..F0FF range at U+0000..U+00FF.  That's what
-       * Windows seems to do, and that's hinted about at:
-       * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
-       * under "Non-Standard (Symbol) Fonts". */
-      g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode);
+      switch ((unsigned) font->face->table.OS2->get_font_page ()) {
+      case OT::OS2::font_page_t::FONT_PAGE_NONE:
+	if (unicode <= 0x00FFu)
+	  /* For symbol-encoded OpenType fonts, we duplicate the
+	   * U+F000..F0FF range at U+0000..U+00FF.  That's what
+	   * Windows seems to do, and that's hinted about at:
+	   * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
+	   * under "Non-Standard (Symbol) Fonts". */
+	  g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode);
+	break;
+#ifndef HB_NO_OT_SHAPER_ARABIC_FALLBACK
+      case OT::OS2::font_page_t::FONT_PAGE_SIMP_ARABIC:
+	g = FT_Get_Char_Index (ft_font->ft_face, _hb_arabic_pua_simp_map (unicode));
+	break;
+      case OT::OS2::font_page_t::FONT_PAGE_TRAD_ARABIC:
+	g = FT_Get_Char_Index (ft_font->ft_face, _hb_arabic_pua_trad_map (unicode));
+	break;
+#endif
+      default:
+	break;
+      }
       if (!g)
 	return false;
     }
@@ -335,12 +434,18 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
   hb_lock_t lock (ft_font->lock);
   FT_Face ft_face = ft_font->ft_face;
   int load_flags = ft_font->load_flags;
-  int mult = font->x_scale < 0 ? -1 : +1;
-
-  if (font->x_scale != ft_font->cached_x_scale)
+  float x_mult;
+#ifdef HAVE_FT_GET_TRANSFORM
+  if (ft_font->transform)
   {
-    ft_font->advance_cache.clear ();
-    ft_font->cached_x_scale = font->x_scale;
+    FT_Matrix matrix;
+    FT_Get_Transform (ft_face, &matrix, nullptr);
+    x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f;
+  }
+  else
+#endif
+  {
+    x_mult = font->x_scale < 0 ? -1 : +1;
   }
 
   for (unsigned int i = 0; i < count; i++)
@@ -357,7 +462,7 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
       ft_font->advance_cache.set (glyph, v);
     }
 
-    *first_advance = (v * mult + (1<<9)) >> 10;
+    *first_advance = (int) (v * x_mult + (1<<9)) >> 10;
     first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
     first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
   }
@@ -373,12 +478,24 @@ hb_ft_get_glyph_v_advance (hb_font_t *font,
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
   hb_lock_t lock (ft_font->lock);
   FT_Fixed v;
+  float y_mult;
+#ifdef HAVE_FT_GET_TRANSFORM
+  if (ft_font->transform)
+  {
+    FT_Matrix matrix;
+    FT_Get_Transform (ft_font->ft_face, &matrix, nullptr);
+    y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f;
+  }
+  else
+#endif
+  {
+    y_mult = font->y_scale < 0 ? -1 : +1;
+  }
 
   if (unlikely (FT_Get_Advance (ft_font->ft_face, glyph, ft_font->load_flags | FT_LOAD_VERTICAL_LAYOUT, &v)))
     return 0;
 
-  if (font->y_scale < 0)
-    v = -v;
+  v = (int) (y_mult * v);
 
   /* Note: FreeType's vertical metrics grows downward while other FreeType coordinates
    * have a Y growing upward.  Hence the extra negation. */
@@ -399,6 +516,21 @@ hb_ft_get_glyph_v_origin (hb_font_t *font,
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
   hb_lock_t lock (ft_font->lock);
   FT_Face ft_face = ft_font->ft_face;
+  float x_mult, y_mult;
+#ifdef HAVE_FT_GET_TRANSFORM
+  if (ft_font->transform)
+  {
+    FT_Matrix matrix;
+    FT_Get_Transform (ft_face, &matrix, nullptr);
+    x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f;
+    y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f;
+  }
+  else
+#endif
+  {
+    x_mult = font->x_scale < 0 ? -1 : +1;
+    y_mult = font->y_scale < 0 ? -1 : +1;
+  }
 
   if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags)))
     return false;
@@ -408,10 +540,8 @@ hb_ft_get_glyph_v_origin (hb_font_t *font,
   *x = ft_face->glyph->metrics.horiBearingX -   ft_face->glyph->metrics.vertBearingX;
   *y = ft_face->glyph->metrics.horiBearingY - (-ft_face->glyph->metrics.vertBearingY);
 
-  if (font->x_scale < 0)
-    *x = -*x;
-  if (font->y_scale < 0)
-    *y = -*y;
+  *x = (hb_position_t) (x_mult * *x);
+  *y = (hb_position_t) (y_mult * *y);
 
   return true;
 }
@@ -426,6 +556,7 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font,
 			   void *user_data HB_UNUSED)
 {
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
+  hb_lock_t lock (ft_font->lock);
   FT_Vector kerningv;
 
   FT_Kerning_Mode mode = font->x_ppem ? FT_KERNING_DEFAULT : FT_KERNING_UNFITTED;
@@ -446,24 +577,30 @@ hb_ft_get_glyph_extents (hb_font_t *font,
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
   hb_lock_t lock (ft_font->lock);
   FT_Face ft_face = ft_font->ft_face;
-
-  if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags)))
-    return false;
-
-  extents->x_bearing = ft_face->glyph->metrics.horiBearingX;
-  extents->y_bearing = ft_face->glyph->metrics.horiBearingY;
-  extents->width = ft_face->glyph->metrics.width;
-  extents->height = -ft_face->glyph->metrics.height;
-  if (font->x_scale < 0)
+  float x_mult, y_mult;
+#ifdef HAVE_FT_GET_TRANSFORM
+  if (ft_font->transform)
   {
-    extents->x_bearing = -extents->x_bearing;
-    extents->width = -extents->width;
+    FT_Matrix matrix;
+    FT_Get_Transform (ft_face, &matrix, nullptr);
+    x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f;
+    y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f;
   }
-  if (font->y_scale < 0)
+  else
+#endif
   {
-    extents->y_bearing = -extents->y_bearing;
-    extents->height = -extents->height;
+    x_mult = font->x_scale < 0 ? -1 : +1;
+    y_mult = font->y_scale < 0 ? -1 : +1;
   }
+
+  if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags)))
+    return false;
+
+  extents->x_bearing = (hb_position_t) (x_mult * ft_face->glyph->metrics.horiBearingX);
+  extents->y_bearing = (hb_position_t) (y_mult * ft_face->glyph->metrics.horiBearingY);
+  extents->width  = (hb_position_t) (x_mult *  ft_face->glyph->metrics.width);
+  extents->height = (hb_position_t) (y_mult * -ft_face->glyph->metrics.height);
+
   return true;
 }
 
@@ -556,15 +693,38 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
   const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
   hb_lock_t lock (ft_font->lock);
   FT_Face ft_face = ft_font->ft_face;
-  metrics->ascender = FT_MulFix(ft_face->ascender, ft_face->size->metrics.y_scale);
-  metrics->descender = FT_MulFix(ft_face->descender, ft_face->size->metrics.y_scale);
-  metrics->line_gap = FT_MulFix( ft_face->height, ft_face->size->metrics.y_scale ) - (metrics->ascender - metrics->descender);
-  if (font->y_scale < 0)
+  float y_mult;
+#ifdef HAVE_FT_GET_TRANSFORM
+  if (ft_font->transform)
+  {
+    FT_Matrix matrix;
+    FT_Get_Transform (ft_face, &matrix, nullptr);
+    y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f;
+  }
+  else
+#endif
   {
-    metrics->ascender = -metrics->ascender;
-    metrics->descender = -metrics->descender;
-    metrics->line_gap = -metrics->line_gap;
+    y_mult = font->y_scale < 0 ? -1 : +1;
   }
+
+  if (ft_face->units_per_EM != 0)
+  {
+    metrics->ascender = FT_MulFix(ft_face->ascender, ft_face->size->metrics.y_scale);
+    metrics->descender = FT_MulFix(ft_face->descender, ft_face->size->metrics.y_scale);
+    metrics->line_gap = FT_MulFix( ft_face->height, ft_face->size->metrics.y_scale ) - (metrics->ascender - metrics->descender);
+  }
+  else
+  {
+    /* Bitmap-only font, eg. color bitmap font. */
+    metrics->ascender = ft_face->size->metrics.ascender;
+    metrics->descender = ft_face->size->metrics.descender;
+    metrics->line_gap = ft_face->size->metrics.height - (metrics->ascender - metrics->descender);
+  }
+
+  metrics->ascender  = (hb_position_t) (y_mult * metrics->ascender);
+  metrics->descender = (hb_position_t) (y_mult * metrics->descender);
+  metrics->line_gap  = (hb_position_t) (y_mult * metrics->line_gap);
+
   return true;
 }
 
@@ -572,16 +732,18 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
 
 static int
 _hb_ft_move_to (const FT_Vector *to,
-		hb_draw_session_t *drawing)
+		void *arg)
 {
+  hb_draw_session_t *drawing = (hb_draw_session_t *) arg;
   drawing->move_to (to->x, to->y);
   return FT_Err_Ok;
 }
 
 static int
 _hb_ft_line_to (const FT_Vector *to,
-		hb_draw_session_t *drawing)
+		void *arg)
 {
+  hb_draw_session_t *drawing = (hb_draw_session_t *) arg;
   drawing->line_to (to->x, to->y);
   return FT_Err_Ok;
 }
@@ -589,8 +751,9 @@ _hb_ft_line_to (const FT_Vector *to,
 static int
 _hb_ft_conic_to (const FT_Vector *control,
 		 const FT_Vector *to,
-		 hb_draw_session_t *drawing)
+		 void *arg)
 {
+  hb_draw_session_t *drawing = (hb_draw_session_t *) arg;
   drawing->quadratic_to (control->x, control->y,
 			 to->x, to->y);
   return FT_Err_Ok;
@@ -600,8 +763,9 @@ static int
 _hb_ft_cubic_to (const FT_Vector *control1,
 		 const FT_Vector *control2,
 		 const FT_Vector *to,
-		 hb_draw_session_t *drawing)
+		 void *arg)
 {
+  hb_draw_session_t *drawing = (hb_draw_session_t *) arg;
   drawing->cubic_to (control1->x, control1->y,
 		     control2->x, control2->y,
 		     to->x, to->y);
@@ -627,10 +791,10 @@ hb_ft_get_glyph_shape (hb_font_t *font HB_UNUSED,
     return;
 
   const FT_Outline_Funcs outline_funcs = {
-    (FT_Outline_MoveToFunc) _hb_ft_move_to,
-    (FT_Outline_LineToFunc) _hb_ft_line_to,
-    (FT_Outline_ConicToFunc) _hb_ft_conic_to,
-    (FT_Outline_CubicToFunc) _hb_ft_cubic_to,
+    _hb_ft_move_to,
+    _hb_ft_line_to,
+    _hb_ft_conic_to,
+    _hb_ft_cubic_to,
     0, /* shift */
     0, /* delta */
   };
@@ -815,8 +979,9 @@ hb_ft_face_create_referenced (FT_Face ft_face)
 }
 
 static void
-hb_ft_face_finalize (FT_Face ft_face)
+hb_ft_face_finalize (void *arg)
 {
+  FT_Face ft_face = (FT_Face) arg;
   hb_face_destroy ((hb_face_t *) ft_face->generic.data);
 }
 
@@ -848,7 +1013,7 @@ hb_ft_face_create_cached (FT_Face ft_face)
       ft_face->generic.finalizer (ft_face);
 
     ft_face->generic.data = hb_ft_face_create (ft_face, nullptr);
-    ft_face->generic.finalizer = (FT_Generic_Finalizer) hb_ft_face_finalize;
+    ft_face->generic.finalizer = hb_ft_face_finalize;
   }
 
   return hb_face_reference ((hb_face_t *) ft_face->generic.data);
@@ -961,6 +1126,34 @@ hb_ft_font_changed (hb_font_t *font)
 #endif
   }
 #endif
+
+  ft_font->advance_cache.clear ();
+  ft_font->cached_serial = font->serial;
+}
+
+/**
+ * hb_ft_hb_font_changed:
+ * @font: #hb_font_t to work upon
+ *
+ * Refreshes the state of the underlying FT_Face of @font when the hb_font_t
+ * @font has changed.
+ * This function should be called after changing the size or
+ * variation-axis settings on the @font.
+ * This call is fast if nothing has changed on @font.
+ *
+ * Return value: true if changed, false otherwise
+ *
+ * Since: 4.4.0
+ **/
+hb_bool_t
+hb_ft_hb_font_changed (hb_font_t *font)
+{
+  if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy)
+    return false;
+
+  hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data;
+
+  return _hb_ft_hb_font_check_changed (font, ft_font);
 }
 
 /**
@@ -1029,8 +1222,9 @@ get_ft_library ()
 }
 
 static void
-_release_blob (FT_Face ft_face)
+_release_blob (void *arg)
 {
+  FT_Face ft_face = (FT_Face) arg;
   hb_blob_destroy ((hb_blob_t *) ft_face->generic.data);
 }
 
@@ -1081,41 +1275,14 @@ hb_ft_font_set_funcs (hb_font_t *font)
   if (FT_Select_Charmap (ft_face, FT_ENCODING_MS_SYMBOL))
     FT_Select_Charmap (ft_face, FT_ENCODING_UNICODE);
 
-  FT_Set_Char_Size (ft_face,
-		    abs (font->x_scale), abs (font->y_scale),
-		    0, 0);
-#if 0
-		    font->x_ppem * 72 * 64 / font->x_scale,
-		    font->y_ppem * 72 * 64 / font->y_scale);
-#endif
-  if (font->x_scale < 0 || font->y_scale < 0)
-  {
-    FT_Matrix matrix = { font->x_scale < 0 ? -1 : +1, 0,
-			  0, font->y_scale < 0 ? -1 : +1};
-    FT_Set_Transform (ft_face, &matrix, nullptr);
-  }
-
-#if defined(HAVE_FT_GET_VAR_BLEND_COORDINATES) && !defined(HB_NO_VAR)
-  unsigned int num_coords;
-  const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
-  if (num_coords)
-  {
-    FT_Fixed *ft_coords = (FT_Fixed *) hb_calloc (num_coords, sizeof (FT_Fixed));
-    if (ft_coords)
-    {
-      for (unsigned int i = 0; i < num_coords; i++)
-	ft_coords[i] = coords[i] * 4;
-      FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
-      hb_free (ft_coords);
-    }
-  }
-#endif
 
   ft_face->generic.data = blob;
-  ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob;
+  ft_face->generic.finalizer = _release_blob;
 
   _hb_ft_font_set_funcs (font, ft_face, true);
   hb_ft_font_set_load_flags (font, FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING);
+
+  _hb_ft_hb_font_changed (font, ft_face);
 }
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ft.h b/src/3rdparty/harfbuzz-ng/src/hb-ft.h
index bf07115ab9..6a8a7abe8c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ft.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ft.h
@@ -122,10 +122,17 @@ hb_ft_font_set_load_flags (hb_font_t *font, int load_flags);
 HB_EXTERN int
 hb_ft_font_get_load_flags (hb_font_t *font);
 
-/* Call when size or variations settings on underlying FT_Face change. */
+/* Call when size or variations settings on underlying FT_Face changed,
+ * and you want to update the hb_font_t from it. */
 HB_EXTERN void
 hb_ft_font_changed (hb_font_t *font);
 
+/* Call when size or variations settings on underlying hb_font_t may have
+ * changed, and you want to update the FT_Face from it.  This call is fast
+ * if nothing changed on hb_font_t. Returns true if changed. */
+HB_EXTERN hb_bool_t
+hb_ft_hb_font_changed (hb_font_t *font);
+
 /* Makes an hb_font_t use FreeType internally to implement font functions.
  * Note: this internally creates an FT_Face.  Use it when you create your
  * hb_face_t using hb_face_create(). */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-glib.cc b/src/3rdparty/harfbuzz-ng/src/hb-glib.cc
index 8ddc7ebad8..1da81696e7 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-glib.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-glib.cc
@@ -129,32 +129,9 @@ hb_glib_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 {
 #if GLIB_CHECK_VERSION(2,29,12)
   return g_unichar_compose (a, b, ab);
+#else
+  return false;
 #endif
-
-  /* We don't ifdef-out the fallback code such that compiler always
-   * sees it and makes sure it's compilable. */
-
-  gchar utf8[12];
-  gchar *normalized;
-  int len;
-  hb_bool_t ret;
-
-  len = g_unichar_to_utf8 (a, utf8);
-  len += g_unichar_to_utf8 (b, utf8 + len);
-  normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFC);
-  len = g_utf8_strlen (normalized, -1);
-  if (unlikely (!len))
-    return false;
-
-  if (len == 1) {
-    *ab = g_utf8_get_char (normalized);
-    ret = true;
-  } else {
-    ret = false;
-  }
-
-  g_free (normalized);
-  return ret;
 }
 
 static hb_bool_t
@@ -166,55 +143,9 @@ hb_glib_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 {
 #if GLIB_CHECK_VERSION(2,29,12)
   return g_unichar_decompose (ab, a, b);
+#else
+  return false;
 #endif
-
-  /* We don't ifdef-out the fallback code such that compiler always
-   * sees it and makes sure it's compilable. */
-
-  gchar utf8[6];
-  gchar *normalized;
-  int len;
-  hb_bool_t ret;
-
-  len = g_unichar_to_utf8 (ab, utf8);
-  normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFD);
-  len = g_utf8_strlen (normalized, -1);
-  if (unlikely (!len))
-    return false;
-
-  if (len == 1) {
-    *a = g_utf8_get_char (normalized);
-    *b = 0;
-    ret = *a != ab;
-  } else if (len == 2) {
-    *a = g_utf8_get_char (normalized);
-    *b = g_utf8_get_char (g_utf8_next_char (normalized));
-    /* Here's the ugly part: if ab decomposes to a single character and
-     * that character decomposes again, we have to detect that and undo
-     * the second part :-(. */
-    gchar *recomposed = g_utf8_normalize (normalized, -1, G_NORMALIZE_NFC);
-    hb_codepoint_t c = g_utf8_get_char (recomposed);
-    if (c != ab && c != *a) {
-      *a = c;
-      *b = 0;
-    }
-    g_free (recomposed);
-    ret = true;
-  } else {
-    /* If decomposed to more than two characters, take the last one,
-     * and recompose the rest to get the first component. */
-    gchar *end = g_utf8_offset_to_pointer (normalized, len - 1);
-    gchar *recomposed;
-    *b = g_utf8_get_char (end);
-    recomposed = g_utf8_normalize (normalized, end - normalized, G_NORMALIZE_NFC);
-    /* We expect that recomposed has exactly one character now. */
-    *a = g_utf8_get_char (recomposed);
-    g_free (recomposed);
-    ret = true;
-  }
-
-  g_free (normalized);
-  return ret;
 }
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc b/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc
index 63dc18b466..9e068f8d84 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc
@@ -158,7 +158,7 @@ _hb_graphite2_shaper_face_data_destroy (hb_graphite2_face_data_t *data)
 }
 
 /**
- * hb_graphite2_face_get_gr_face:
+ * hb_graphite2_face_get_gr_face: (skip)
  * @face: @hb_face_t to query
  *
  * Fetches the Graphite2 gr_face corresponding to the specified
@@ -195,10 +195,10 @@ _hb_graphite2_shaper_font_data_destroy (hb_graphite2_font_data_t *data HB_UNUSED
 
 #ifndef HB_DISABLE_DEPRECATED
 /**
- * hb_graphite2_font_get_gr_font:
+ * hb_graphite2_font_get_gr_font: (skip)
  * @font: An #hb_font_t
  *
- * Always returns %NULL. Use hb_graphite2_face_get_gr_face() instead.
+ * Always returns `NULL`. Use hb_graphite2_face_get_gr_face() instead.
  *
  * Return value: (nullable): Graphite2 font associated with @font.
  *
@@ -223,7 +223,7 @@ struct hb_graphite2_cluster_t {
   unsigned int base_glyph;
   unsigned int num_glyphs;
   unsigned int cluster;
-  unsigned int advance;
+  int advance;
 };
 
 hb_bool_t
@@ -318,7 +318,7 @@ _hb_graphite2_shape (hb_shape_plan_t    *shape_plan HB_UNUSED,
 
 #undef ALLOCATE_ARRAY
 
-  memset (clusters, 0, sizeof (clusters[0]) * buffer->len);
+  hb_memset (clusters, 0, sizeof (clusters[0]) * buffer->len);
 
   hb_codepoint_t *pg = gids;
   clusters[0].cluster = buffer->info[0].cluster;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
index 43a3098f65..b57f37b132 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
@@ -43,17 +43,12 @@
  * is writable, then the iterator returns lvalues, otherwise it
  * returns rvalues.
  *
- * TODO Document more.
- *
- * If iterator implementation implements operator!=, then can be
+ * If iterator implementation implements operator!=, then it can be
  * used in range-based for loop.  That already happens if the iterator
  * is random-access.  Otherwise, the range-based for loop incurs
  * one traversal to find end(), which can be avoided if written
  * as a while-style for loop, or if iterator implements a faster
- * __end__() method.
- * TODO When opting in for C++17, address this by changing return
- * type of .end()?
- */
+ * __end__() method. */
 
 /*
  * Base classes for iterators.
@@ -75,20 +70,17 @@ struct hb_iter_t
 	iter_t* thiz ()       { return static_cast<      iter_t *> (this); }
   public:
 
-  /* TODO:
-   * Port operators below to use hb_enable_if to sniff which method implements
-   * an operator and use it, and remove hb_iter_fallback_mixin_t completely. */
-
   /* Operators. */
   iter_t iter () const { return *thiz(); }
   iter_t operator + () const { return *thiz(); }
-  iter_t begin () const { return *thiz(); }
-  iter_t end () const { return thiz()->__end__ (); }
+  iter_t _begin () const { return *thiz(); }
+  iter_t begin () const { return _begin (); }
+  iter_t _end () const { return thiz()->__end__ (); }
+  iter_t end () const { return _end (); }
   explicit operator bool () const { return thiz()->__more__ (); }
   unsigned len () const { return thiz()->__len__ (); }
   /* The following can only be enabled if item_t is reference type.  Otherwise
-   * it will be returning pointer to temporary rvalue.
-   * TODO Use a wrapper return type to fix for non-reference type. */
+   * it will be returning pointer to temporary rvalue. */
   template <typename T = item_t,
 	    hb_enable_if (std::is_reference<T>::value)>
   hb_remove_reference<item_t>* operator -> () const { return std::addressof (**thiz()); }
@@ -128,7 +120,9 @@ struct hb_iter_t
 
 #define HB_ITER_USING(Name) \
   using item_t = typename Name::item_t; \
+  using Name::_begin; \
   using Name::begin; \
+  using Name::_end; \
   using Name::end; \
   using Name::get_item_size; \
   using Name::is_iterator; \
@@ -263,6 +257,8 @@ struct hb_is_iterator_of
 };
 #define hb_is_iterator_of(Iter, Item) hb_is_iterator_of<Iter, Item>::value
 #define hb_is_iterator(Iter) hb_is_iterator_of (Iter, typename Iter::item_t)
+#define hb_is_sorted_iterator_of(Iter, Item) (hb_is_iterator_of<Iter, Item>::value && Iter::is_sorted_iterator)
+#define hb_is_sorted_iterator(Iter) hb_is_sorted_iterator_of (Iter, typename Iter::item_t)
 
 /* hb_is_iterable() */
 
@@ -385,7 +381,7 @@ struct hb_map_iter_t :
   void __forward__ (unsigned n) { it += n; }
   void __prev__ () { --it; }
   void __rewind__ (unsigned n) { it -= n; }
-  hb_map_iter_t __end__ () const { return hb_map_iter_t (it.end (), f); }
+  hb_map_iter_t __end__ () const { return hb_map_iter_t (it._end (), f); }
   bool operator != (const hb_map_iter_t& o) const
   { return it != o.it; }
 
@@ -448,7 +444,7 @@ struct hb_filter_iter_t :
   bool __more__ () const { return bool (it); }
   void __next__ () { do ++it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); }
   void __prev__ () { do --it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); }
-  hb_filter_iter_t __end__ () const { return hb_filter_iter_t (it.end (), p, f); }
+  hb_filter_iter_t __end__ () const { return hb_filter_iter_t (it._end (), p, f); }
   bool operator != (const hb_filter_iter_t& o) const
   { return it != o.it; }
 
@@ -561,7 +557,7 @@ struct hb_zip_iter_t :
   void __forward__ (unsigned n) { a += n; b += n; }
   void __prev__ () { --a; --b; }
   void __rewind__ (unsigned n) { a -= n; b -= n; }
-  hb_zip_iter_t __end__ () const { return hb_zip_iter_t (a.end (), b.end ()); }
+  hb_zip_iter_t __end__ () const { return hb_zip_iter_t (a._end (), b._end ()); }
   /* Note, we should stop if ANY of the iters reaches end.  As such two compare
    * unequal if both items are unequal, NOT if either is unequal. */
   bool operator != (const hb_zip_iter_t& o) const
@@ -645,7 +641,7 @@ struct hb_concat_iter_t :
     }
   }
 
-  hb_concat_iter_t __end__ () const { return hb_concat_iter_t (a.end (), b.end ()); }
+  hb_concat_iter_t __end__ () const { return hb_concat_iter_t (a._end (), b._end ()); }
   bool operator != (const hb_concat_iter_t& o) const
   {
     return a != o.a
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh b/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh
index e52a6a4124..b555739cfb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh
@@ -136,6 +136,13 @@ static inline Type& StructAfter(TObject &X)
 
 /*
  * Lazy loaders.
+ *
+ * The lazy-loaders are thread-safe pointer-like objects that create their
+ * instead on-demand.  They also support access to a "data" object that is
+ * necessary for creating their instance.  The data object, if specified,
+ * is accessed via pointer math, located at a location before the position
+ * of the loader itself.  This avoids having to store a pointer to data
+ * for every lazy-loader.  Multiple lazy-loaders can access the same data.
  */
 
 template <typename Data, unsigned int WheresData>
@@ -176,12 +183,12 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
 
   void init0 () {} /* Init, when memory is already set to 0. No-op for us. */
   void init ()  { instance.set_relaxed (nullptr); }
-  void fini ()  { do_destroy (instance.get ()); }
+  void fini ()  { do_destroy (instance.get_acquire ()); init (); }
 
   void free_instance ()
   {
   retry:
-    Stored *p = instance.get ();
+    Stored *p = instance.get_acquire ();
     if (unlikely (p && !cmpexch (p, nullptr)))
       goto retry;
     do_destroy (p);
@@ -203,7 +210,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
   Stored * get_stored () const
   {
   retry:
-    Stored *p = this->instance.get ();
+    Stored *p = this->instance.get_acquire ();
     if (unlikely (!p))
     {
       if (unlikely (this->is_inert ()))
@@ -228,7 +235,8 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
 
   bool cmpexch (Stored *current, Stored *value) const
   {
-    /* This *must* be called when there are no other threads accessing. */
+    /* This function can only be safely called directly if no
+     * other thread is accessing. */
     return this->instance.cmpexch (current, value);
   }
 
@@ -261,7 +269,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
     hb_free (p);
   }
 
-//  private:
+  private:
   /* Must only have one pointer. */
   hb_atomic_ptr_t<Stored *> instance;
 };
@@ -283,7 +291,7 @@ struct hb_table_lazy_loader_t : hb_lazy_loader_t<T,
   {
     auto c = hb_sanitize_context_t ();
     if (core)
-      c.set_num_glyphs (0); // So we don't recurse ad infinitum...
+      c.set_num_glyphs (0); // So we don't recurse ad infinitum, or doesn't need num_glyphs
     return c.reference_table<T> (face);
   }
   static void destroy (hb_blob_t *p) { hb_blob_destroy (p); }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.cc b/src/3rdparty/harfbuzz-ng/src/hb-map.cc
index 9f1ac42846..5c5f5de59e 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-map.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-map.cc
@@ -40,7 +40,7 @@
 
 
 /**
- * hb_map_create: (Xconstructor)
+ * hb_map_create:
  *
  * Creates a new, initially empty map.
  *
@@ -56,8 +56,6 @@ hb_map_create ()
   if (!(map = hb_object_create<hb_map_t> ()))
     return hb_map_get_empty ();
 
-  map->init_shallow ();
-
   return map;
 }
 
@@ -107,8 +105,6 @@ hb_map_destroy (hb_map_t *map)
 {
   if (!hb_object_destroy (map)) return;
 
-  map->fini_shallow ();
-
   hb_free (map);
 }
 
@@ -122,7 +118,7 @@ hb_map_destroy (hb_map_t *map)
  *
  * Attaches a user-data key/data pair to the specified map.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 1.7.7
  **/
@@ -149,7 +145,7 @@ hb_map_set_user_data (hb_map_t           *map,
  * Since: 1.7.7
  **/
 void *
-hb_map_get_user_data (hb_map_t           *map,
+hb_map_get_user_data (const hb_map_t     *map,
 		      hb_user_data_key_t *key)
 {
   return hb_object_get_user_data (map, key);
@@ -162,7 +158,7 @@ hb_map_get_user_data (hb_map_t           *map,
  *
  * Tests whether memory allocation for a set was successful.
  *
- * Return value: %true if allocation succeeded, %false otherwise
+ * Return value: `true` if allocation succeeded, `false` otherwise
  *
  * Since: 1.7.7
  **/
@@ -172,6 +168,25 @@ hb_map_allocation_successful (const hb_map_t  *map)
   return map->successful;
 }
 
+/**
+ * hb_map_copy:
+ * @map: A map
+ *
+ * Allocate a copy of @map.
+ *
+ * Return value: Newly-allocated map.
+ *
+ * Since: 4.4.0
+ **/
+hb_map_t *
+hb_map_copy (const hb_map_t *map)
+{
+  hb_map_t *copy = hb_map_create ();
+  if (unlikely (!copy)) return nullptr;
+  copy->resize (map->population);
+  hb_copy (*map, *copy);
+  return copy;
+}
 
 /**
  * hb_map_set:
@@ -232,7 +247,7 @@ hb_map_del (hb_map_t       *map,
  *
  * Tests whether @key is an element of @map.
  *
- * Return value: %true if @key is found in @map, %false otherwise
+ * Return value: `true` if @key is found in @map, `false` otherwise
  *
  * Since: 1.7.7
  **/
@@ -264,7 +279,7 @@ hb_map_clear (hb_map_t *map)
  *
  * Tests whether @map is empty (contains no elements).
  *
- * Return value: %true if @map is empty
+ * Return value: `true` if @map is empty
  *
  * Since: 1.7.7
  **/
@@ -289,3 +304,40 @@ hb_map_get_population (const hb_map_t *map)
 {
   return map->get_population ();
 }
+
+/**
+ * hb_map_is_equal:
+ * @map: A map
+ * @other: Another map
+ *
+ * Tests whether @map and @other are equal (contain the same
+ * elements).
+ *
+ * Return value: `true` if the two maps are equal, `false` otherwise.
+ *
+ * Since: 4.3.0
+ **/
+hb_bool_t
+hb_map_is_equal (const hb_map_t *map,
+		 const hb_map_t *other)
+{
+  return map->is_equal (*other);
+}
+
+/**
+ * hb_map_hash:
+ * @map: A map
+ *
+ * Creates a hash representing @map.
+ *
+ * Return value:
+ * A hash of @map.
+ *
+ * Since: 4.4.0
+ **/
+HB_EXTERN unsigned int
+hb_map_hash (const hb_map_t *map)
+{
+  return map->hash ();
+}
+
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.h b/src/3rdparty/harfbuzz-ng/src/hb-map.h
index 6a45a7bdd5..3a067c5c73 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-map.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-map.h
@@ -74,7 +74,7 @@ hb_map_set_user_data (hb_map_t           *map,
 		      hb_bool_t           replace);
 
 HB_EXTERN void *
-hb_map_get_user_data (hb_map_t           *map,
+hb_map_get_user_data (const hb_map_t     *map,
 		      hb_user_data_key_t *key);
 
 
@@ -82,6 +82,9 @@ hb_map_get_user_data (hb_map_t           *map,
 HB_EXTERN hb_bool_t
 hb_map_allocation_successful (const hb_map_t *map);
 
+HB_EXTERN hb_map_t *
+hb_map_copy (const hb_map_t *map);
+
 HB_EXTERN void
 hb_map_clear (hb_map_t *map);
 
@@ -91,6 +94,13 @@ hb_map_is_empty (const hb_map_t *map);
 HB_EXTERN unsigned int
 hb_map_get_population (const hb_map_t *map);
 
+HB_EXTERN hb_bool_t
+hb_map_is_equal (const hb_map_t *map,
+		 const hb_map_t *other);
+
+HB_EXTERN unsigned int
+hb_map_hash (const hb_map_t *map);
+
 HB_EXTERN void
 hb_map_set (hb_map_t       *map,
 	    hb_codepoint_t  key,
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.hh b/src/3rdparty/harfbuzz-ng/src/hb-map.hh
index 9341637eac..bfb1b3f768 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-map.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-map.hh
@@ -34,19 +34,18 @@
  * hb_hashmap_t
  */
 
+extern HB_INTERNAL const hb_codepoint_t minus_1;
+
 template <typename K, typename V,
-	  typename k_invalid_t = K,
-	  typename v_invalid_t = V,
-	  k_invalid_t kINVALID = std::is_pointer<K>::value ? 0 : std::is_signed<K>::value ? hb_int_min (K) : (K) -1,
-	  v_invalid_t vINVALID = std::is_pointer<V>::value ? 0 : std::is_signed<V>::value ? hb_int_min (V) : (V) -1>
+	  bool minus_one = false>
 struct hb_hashmap_t
 {
   hb_hashmap_t ()  { init (); }
   ~hb_hashmap_t () { fini (); }
 
-  hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { hb_copy (o, *this); }
+  hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { resize (o.population); hb_copy (o, *this); }
   hb_hashmap_t (hb_hashmap_t&& o) : hb_hashmap_t () { hb_swap (*this, o); }
-  hb_hashmap_t& operator= (const hb_hashmap_t& o)  { hb_copy (o, *this); return *this; }
+  hb_hashmap_t& operator= (const hb_hashmap_t& o)  { reset (); resize (o.population); hb_copy (o, *this); return *this; }
   hb_hashmap_t& operator= (hb_hashmap_t&& o)  { hb_swap (*this, o); return *this; }
 
   hb_hashmap_t (std::initializer_list<hb_pair_t<K, V>> lst) : hb_hashmap_t ()
@@ -58,49 +57,54 @@ struct hb_hashmap_t
 	    hb_requires (hb_is_iterable (Iterable))>
   hb_hashmap_t (const Iterable &o) : hb_hashmap_t ()
   {
-    hb_copy (o, *this);
+    auto iter = hb_iter (o);
+    if (iter.is_random_access_iterator)
+      resize (hb_len (iter));
+    hb_copy (iter, *this);
   }
 
   struct item_t
   {
     K key;
+    uint32_t hash : 30;
+    uint32_t is_used_ : 1;
+    uint32_t is_tombstone_ : 1;
     V value;
-    uint32_t hash;
 
-    void clear ()
+    item_t () : key (),
+		hash (0),
+		is_used_ (false), is_tombstone_ (false),
+		value () {}
+
+    bool is_used () const { return is_used_; }
+    void set_used (bool is_used) { is_used_ = is_used; }
+    bool is_tombstone () const { return is_tombstone_; }
+    void set_tombstone (bool is_tombstone) { is_tombstone_ = is_tombstone; }
+    bool is_real () const { return is_used_ && !is_tombstone_; }
+
+    template <bool v = minus_one,
+	      hb_enable_if (v == false)>
+    static inline const V& default_value () { return Null(V); };
+    template <bool v = minus_one,
+	      hb_enable_if (v == true)>
+    static inline const V& default_value ()
     {
-      new (std::addressof (key)) K ();
-      key = hb_coerce<K> (kINVALID);
-      new (std::addressof (value)) V ();
-      value = hb_coerce<V> (vINVALID);
-      hash = 0;
-    }
+      static_assert (hb_is_same (V, hb_codepoint_t), "");
+      return minus_1;
+    };
 
-    bool operator == (const K &o) { return hb_deref (key) == hb_deref (o); }
-    bool operator == (const item_t &o) { return *this == o.key; }
-    bool is_unused () const
-    {
-      const K inv = hb_coerce<K> (kINVALID);
-      return key == inv;
-    }
-    bool is_tombstone () const
-    {
-      const K kinv = hb_coerce<K> (kINVALID);
-      const V vinv = hb_coerce<V> (vINVALID);
-      return key != kinv && value == vinv;
-    }
-    bool is_real () const
-    {
-      const K kinv = hb_coerce<K> (kINVALID);
-      const V vinv = hb_coerce<V> (vINVALID);
-      return key != kinv && value != vinv;
-    }
+    bool operator == (const K &o) const { return hb_deref (key) == hb_deref (o); }
+    bool operator == (const item_t &o) const { return *this == o.key; }
     hb_pair_t<K, V> get_pair() const { return hb_pair_t<K, V> (key, value); }
+    hb_pair_t<const K &, const V &> get_pair_ref() const { return hb_pair_t<const K &, const V &> (key, value); }
+
+    uint32_t total_hash () const
+    { return (hash * 31) + hb_hash (value); }
   };
 
   hb_object_header_t header;
-  bool successful; /* Allocations successful */
-  unsigned int population; /* Not including tombstones. */
+  unsigned int successful : 1; /* Allocations successful */
+  unsigned int population : 31; /* Not including tombstones. */
   unsigned int occupancy; /* Including tombstones. */
   unsigned int mask;
   unsigned int prime;
@@ -110,27 +114,29 @@ struct hb_hashmap_t
   {
     if (unlikely (!a.successful || !b.successful))
       return;
-    hb_swap (a.population, b.population);
+    unsigned tmp = a.population;
+    a.population = b.population;
+    b.population = tmp;
+    //hb_swap (a.population, b.population);
     hb_swap (a.occupancy, b.occupancy);
     hb_swap (a.mask, b.mask);
     hb_swap (a.prime, b.prime);
     hb_swap (a.items, b.items);
   }
-  void init_shallow ()
+  void init ()
   {
+    hb_object_init (this);
+
     successful = true;
     population = occupancy = 0;
     mask = 0;
     prime = 0;
     items = nullptr;
   }
-  void init ()
-  {
-    hb_object_init (this);
-    init_shallow ();
-  }
-  void fini_shallow ()
+  void fini ()
   {
+    hb_object_fini (this);
+
     if (likely (items)) {
       unsigned size = mask + 1;
       for (unsigned i = 0; i < size; i++)
@@ -140,11 +146,6 @@ struct hb_hashmap_t
     }
     population = occupancy = 0;
   }
-  void fini ()
-  {
-    hb_object_fini (this);
-    fini_shallow ();
-  }
 
   void reset ()
   {
@@ -154,11 +155,13 @@ struct hb_hashmap_t
 
   bool in_error () const { return !successful; }
 
-  bool resize ()
+  bool resize (unsigned new_population = 0)
   {
     if (unlikely (!successful)) return false;
 
-    unsigned int power = hb_bit_storage (population * 2 + 8);
+    if (new_population != 0 && (new_population + new_population / 2) < mask) return true;
+
+    unsigned int power = hb_bit_storage (hb_max ((unsigned) population, new_population) * 2 + 8);
     unsigned int new_size = 1u << power;
     item_t *new_items = (item_t *) hb_malloc ((size_t) new_size * sizeof (item_t));
     if (unlikely (!new_items))
@@ -167,9 +170,9 @@ struct hb_hashmap_t
       return false;
     }
     for (auto &_ : hb_iter (new_items, new_size))
-      _.clear ();
+      new (&_) item_t ();
 
-    unsigned int old_size = mask + 1;
+    unsigned int old_size = size ();
     item_t *old_items = items;
 
     /* Switch to new, empty, array. */
@@ -179,55 +182,102 @@ struct hb_hashmap_t
     items = new_items;
 
     /* Insert back old items. */
-    if (old_items)
-      for (unsigned int i = 0; i < old_size; i++)
+    for (unsigned int i = 0; i < old_size; i++)
+    {
+      if (old_items[i].is_real ())
       {
-	if (old_items[i].is_real ())
-	{
-	  set_with_hash (old_items[i].key,
-			 old_items[i].hash,
-			 std::move (old_items[i].value));
-	}
-	old_items[i].~item_t ();
+	set_with_hash (std::move (old_items[i].key),
+		       old_items[i].hash,
+		       std::move (old_items[i].value));
       }
+      old_items[i].~item_t ();
+    }
 
     hb_free (old_items);
 
     return true;
   }
 
-  bool set (K key, const V& value) { return set_with_hash (key, hb_hash (key), value); }
-  bool set (K key, V&& value) { return set_with_hash (key, hb_hash (key), std::move (value)); }
+  template <typename KK, typename VV>
+  bool set_with_hash (KK&& key, uint32_t hash, VV&& value, bool is_delete=false)
+  {
+    if (unlikely (!successful)) return false;
+    if (unlikely ((occupancy + occupancy / 2) >= mask && !resize ())) return false;
+    item_t &item = item_for_hash (key, hash);
 
-  V get (K key) const
+    if (is_delete && !(item == key))
+      return true; /* Trying to delete non-existent key. */
+
+    if (item.is_used ())
+    {
+      occupancy--;
+      if (!item.is_tombstone ())
+	population--;
+    }
+
+    item.key = std::forward<KK> (key);
+    item.value = std::forward<VV> (value);
+    item.hash = hash;
+    item.set_used (true);
+    item.set_tombstone (is_delete);
+
+    occupancy++;
+    if (!is_delete)
+      population++;
+
+    return true;
+  }
+
+  template <typename VV>
+  bool set (const K &key, VV&& value) { return set_with_hash (key, hb_hash (key), std::forward<VV> (value)); }
+  template <typename VV>
+  bool set (K &&key, VV&& value) { return set_with_hash (std::move (key), hb_hash (key), std::forward<VV> (value)); }
+
+  const V& get_with_hash (const K &key, uint32_t hash) const
+  {
+    if (unlikely (!items)) return item_t::default_value ();
+    auto &item = item_for_hash (key, hash);
+    return item.is_real () && item == key ? item.value : item_t::default_value ();
+  }
+  const V& get (const K &key) const
   {
-    if (unlikely (!items)) return hb_coerce<V> (vINVALID);
-    unsigned int i = bucket_for (key);
-    return items[i].is_real () && items[i] == key ? items[i].value : hb_coerce<V> (vINVALID);
+    if (unlikely (!items)) return item_t::default_value ();
+    return get_with_hash (key, hb_hash (key));
   }
 
-  void del (K key) { set (key, hb_coerce<V> (vINVALID)); }
+  void del (const K &key) { set_with_hash (key, hb_hash (key), item_t::default_value (), true); }
 
   /* Has interface. */
-  typedef V value_t;
-  value_t operator [] (K k) const { return get (k); }
-  bool has (K k, V *vp = nullptr) const
+  const V& operator [] (K k) const { return get (k); }
+  template <typename VV=V>
+  bool has (K key, VV **vp = nullptr) const
   {
-    V v = (*this)[k];
-    if (vp) *vp = v;
-    const V vinv = hb_coerce<V> (vINVALID);
-    return v != vinv;
+    if (unlikely (!items))
+      return false;
+    auto &item = item_for_hash (key, hb_hash (key));
+    if (item.is_real () && item == key)
+    {
+      if (vp) *vp = std::addressof (item.value);
+      return true;
+    }
+    else
+      return false;
   }
   /* Projection. */
   V operator () (K k) const { return get (k); }
 
+  unsigned size () const { return mask ? mask + 1 : 0; }
+
   void clear ()
   {
     if (unlikely (!successful)) return;
 
-    if (items)
-      for (auto &_ : hb_iter (items, mask + 1))
-	_.clear ();
+    for (auto &_ : hb_iter (items, size ()))
+    {
+      /* Reconstruct items. */
+      _.~item_t ();
+      new (&_) item_t ();
+    }
 
     population = occupancy = 0;
   }
@@ -235,88 +285,94 @@ struct hb_hashmap_t
   bool is_empty () const { return population == 0; }
   explicit operator bool () const { return !is_empty (); }
 
+  uint32_t hash () const
+  {
+    return
+    + iter_items ()
+    | hb_reduce ([] (uint32_t h, const item_t &_) { return h ^ _.total_hash (); }, (uint32_t) 0u)
+    ;
+  }
+
+  bool is_equal (const hb_hashmap_t &other) const
+  {
+    if (population != other.population) return false;
+
+    for (auto pair : iter ())
+      if (other.get (pair.first) != pair.second)
+        return false;
+
+    return true;
+  }
+  bool operator == (const hb_hashmap_t &other) const { return is_equal (other); }
+  bool operator != (const hb_hashmap_t &other) const { return !is_equal (other); }
+
   unsigned int get_population () const { return population; }
 
   /*
    * Iterator
    */
-  auto iter () const HB_AUTO_RETURN
+
+  auto iter_items () const HB_AUTO_RETURN
   (
-    + hb_array (items, mask ? mask + 1 : 0)
+    + hb_iter (items, size ())
     | hb_filter (&item_t::is_real)
+  )
+  auto iter_ref () const HB_AUTO_RETURN
+  (
+    + iter_items ()
+    | hb_map (&item_t::get_pair_ref)
+  )
+  auto iter () const HB_AUTO_RETURN
+  (
+    + iter_items ()
     | hb_map (&item_t::get_pair)
   )
-  auto keys () const HB_AUTO_RETURN
+  auto keys_ref () const HB_AUTO_RETURN
   (
-    + hb_array (items, mask ? mask + 1 : 0)
-    | hb_filter (&item_t::is_real)
+    + iter_items ()
     | hb_map (&item_t::key)
+  )
+  auto keys () const HB_AUTO_RETURN
+  (
+    + keys_ref ()
     | hb_map (hb_ridentity)
   )
-  auto values () const HB_AUTO_RETURN
+  auto values_ref () const HB_AUTO_RETURN
   (
-    + hb_array (items, mask ? mask + 1 : 0)
-    | hb_filter (&item_t::is_real)
+    + iter_items ()
     | hb_map (&item_t::value)
+  )
+  auto values () const HB_AUTO_RETURN
+  (
+    + values_ref ()
     | hb_map (hb_ridentity)
   )
 
   /* Sink interface. */
   hb_hashmap_t& operator << (const hb_pair_t<K, V>& v)
   { set (v.first, v.second); return *this; }
-
-  protected:
-
-  template <typename VV>
-  bool set_with_hash (K key, uint32_t hash, VV&& value)
-  {
-    if (unlikely (!successful)) return false;
-    const K kinv = hb_coerce<K> (kINVALID);
-    if (unlikely (key == kinv)) return true;
-    if (unlikely ((occupancy + occupancy / 2) >= mask && !resize ())) return false;
-    unsigned int i = bucket_for_hash (key, hash);
-
-    const V vinv = hb_coerce<V> (vINVALID);
-    if (value == vinv && items[i].key != key)
-      return true; /* Trying to delete non-existent key. */
-
-    if (!items[i].is_unused ())
-    {
-      occupancy--;
-      if (!items[i].is_tombstone ())
-	population--;
-    }
-
-    items[i].key = key;
-    items[i].value = value;
-    items[i].hash = hash;
-
-    occupancy++;
-    if (!items[i].is_tombstone ())
-      population++;
-
-    return true;
-  }
-
-  unsigned int bucket_for (K key) const
-  {
-    return bucket_for_hash (key, hb_hash (key));
-  }
-
-  unsigned int bucket_for_hash (K key, uint32_t hash) const
+  hb_hashmap_t& operator << (const hb_pair_t<K, V&&>& v)
+  { set (v.first, std::move (v.second)); return *this; }
+  hb_hashmap_t& operator << (const hb_pair_t<K&&, V>& v)
+  { set (std::move (v.first), v.second); return *this; }
+  hb_hashmap_t& operator << (const hb_pair_t<K&&, V&&>& v)
+  { set (std::move (v.first), std::move (v.second)); return *this; }
+
+  item_t& item_for_hash (const K &key, uint32_t hash) const
   {
+    hash &= 0x3FFFFFFF; // We only store lower 30bit of hash
     unsigned int i = hash % prime;
     unsigned int step = 0;
     unsigned int tombstone = (unsigned) -1;
-    while (!items[i].is_unused ())
+    while (items[i].is_used ())
     {
       if (items[i].hash == hash && items[i] == key)
-	return i;
+	return items[i];
       if (tombstone == (unsigned) -1 && items[i].is_tombstone ())
 	tombstone = i;
       i = (i + ++step) & mask;
     }
-    return tombstone == (unsigned) -1 ? i : tombstone;
+    return items[tombstone == (unsigned) -1 ? i : tombstone];
   }
 
   static unsigned int prime_for (unsigned int shift)
@@ -377,21 +433,16 @@ struct hb_hashmap_t
 
 struct hb_map_t : hb_hashmap_t<hb_codepoint_t,
 			       hb_codepoint_t,
-			       hb_codepoint_t,
-			       hb_codepoint_t,
-			       HB_MAP_VALUE_INVALID,
-			       HB_MAP_VALUE_INVALID>
+			       true>
 {
   using hashmap = hb_hashmap_t<hb_codepoint_t,
 			       hb_codepoint_t,
-			       hb_codepoint_t,
-			       hb_codepoint_t,
-			       HB_MAP_VALUE_INVALID,
-			       HB_MAP_VALUE_INVALID>;
+			       true>;
 
-  hb_map_t () = default;
   ~hb_map_t () = default;
-  hb_map_t (hb_map_t&) = default;
+  hb_map_t () : hashmap () {}
+  hb_map_t (const hb_map_t &o) : hashmap ((hashmap &) o) {}
+  hb_map_t (hb_map_t &&o) : hashmap (std::move ((hashmap &) o)) {}
   hb_map_t& operator= (const hb_map_t&) = default;
   hb_map_t& operator= (hb_map_t&&) = default;
   hb_map_t (std::initializer_list<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> lst) : hashmap (lst) {}
@@ -400,4 +451,37 @@ struct hb_map_t : hb_hashmap_t<hb_codepoint_t,
   hb_map_t (const Iterable &o) : hashmap (o) {}
 };
 
+template <typename K, typename V>
+static inline
+hb_hashmap_t<K, V>* hb_hashmap_create ()
+{
+  using hashmap = hb_hashmap_t<K, V>;
+  hashmap* map;
+  if (!(map = hb_object_create<hashmap> ()))
+    return nullptr;
+
+  return map;
+}
+
+template <typename K, typename V>
+static inline
+void hb_hashmap_destroy (hb_hashmap_t<K, V>* map)
+{
+  if (!hb_object_destroy (map))
+    return;
+
+  hb_free (map);
+}
+
+namespace hb {
+
+template <typename K, typename V>
+struct vtable<hb_hashmap_t<K, V>>
+{
+  static constexpr auto destroy = hb_hashmap_destroy<K,V>;
+};
+
+}
+
+
 #endif /* HB_MAP_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-meta.hh b/src/3rdparty/harfbuzz-ng/src/hb-meta.hh
index 3fea5d995e..31aa7fa6f1 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-meta.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-meta.hh
@@ -112,8 +112,7 @@ template <typename T> auto _hb_try_add_pointer (hb_priority<1>) -> hb_type_ident
 template <typename T> using hb_add_pointer = decltype (_hb_try_add_pointer<T> (hb_prioritize));
 
 
-/* TODO Add feature-parity to std::decay. */
-template <typename T> using hb_decay = hb_remove_const<hb_remove_reference<T>>;
+template <typename T> using hb_decay = typename std::decay<T>::type;
 
 #define hb_is_convertible(From,To) std::is_convertible<From, To>::value
 
@@ -133,6 +132,18 @@ struct
 
   template <typename T> constexpr auto
   operator () (T *v) const HB_AUTO_RETURN (*v)
+
+  template <typename T> constexpr auto
+  operator () (const hb::shared_ptr<T>& v) const HB_AUTO_RETURN (*v)
+
+  template <typename T> constexpr auto
+  operator () (hb::shared_ptr<T>& v) const HB_AUTO_RETURN (*v)
+  
+  template <typename T> constexpr auto
+  operator () (const hb::unique_ptr<T>& v) const HB_AUTO_RETURN (*v)
+
+  template <typename T> constexpr auto
+  operator () (hb::unique_ptr<T>& v) const HB_AUTO_RETURN (*v)
 }
 HB_FUNCOBJ (hb_deref);
 
@@ -188,6 +199,19 @@ template <> struct hb_int_max<signed long long>		: hb_integral_constant<signed l
 template <> struct hb_int_max<unsigned long long>	: hb_integral_constant<unsigned long long,	ULLONG_MAX>	{};
 #define hb_int_max(T) hb_int_max<T>::value
 
+#if defined(__GNUC__) && __GNUC__ < 5 && !defined(__clang__)
+#define hb_is_trivially_copyable(T) __has_trivial_copy(T)
+#define hb_is_trivially_copy_assignable(T) __has_trivial_assign(T)
+#define hb_is_trivially_constructible(T) __has_trivial_constructor(T)
+#define hb_is_trivially_copy_constructible(T) __has_trivial_copy_constructor(T)
+#define hb_is_trivially_destructible(T) __has_trivial_destructor(T)
+#else
+#define hb_is_trivially_copyable(T) std::is_trivially_copyable<T>::value
+#define hb_is_trivially_copy_assignable(T) std::is_trivially_copy_assignable<T>::value
+#define hb_is_trivially_constructible(T) std::is_trivially_constructible<T>::value
+#define hb_is_trivially_copy_constructible(T) std::is_trivially_copy_constructible<T>::value
+#define hb_is_trivially_destructible(T) std::is_trivially_destructible<T>::value
+#endif
 
 /* Class traits. */
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh b/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh
index d40fdeaa82..46a20c91ea 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh
@@ -166,7 +166,7 @@ hb_ms_setup_features (const hb_feature_t                *features,
     {
       auto *feature = active_features.lsearch (event->feature);
       if (feature)
-        active_features.remove (feature - active_features.arrayZ);
+        active_features.remove_ordered (feature - active_features.arrayZ);
     }
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh b/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh
new file mode 100644
index 0000000000..f0f95917aa
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh
@@ -0,0 +1,92 @@
+/*
+ * Copyright © 2022  Behdad Esfahbod
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HB_MULTIMAP_HH
+#define HB_MULTIMAP_HH
+
+#include "hb.hh"
+#include "hb-map.hh"
+#include "hb-vector.hh"
+
+
+/*
+ * hb_multimap_t
+ */
+
+struct hb_multimap_t
+{
+  void add (hb_codepoint_t k, hb_codepoint_t v)
+  {
+    hb_codepoint_t *i;
+    if (multiples_indices.has (k, &i))
+    {
+      multiples_values[*i].push (v);
+      return;
+    }
+
+    hb_codepoint_t *old_v;
+    if (singulars.has (k, &old_v))
+    {
+      hb_codepoint_t old = *old_v;
+      singulars.del (k);
+
+      multiples_indices.set (k, multiples_values.length);
+      auto *vec = multiples_values.push ();
+
+      vec->push (old);
+      vec->push (v);
+
+      return;
+    }
+
+    singulars.set (k, v);
+  }
+
+  hb_array_t<const hb_codepoint_t> get (hb_codepoint_t k) const
+  {
+    hb_codepoint_t *v;
+    if (singulars.has (k, &v))
+      return hb_array (v, 1);
+
+    hb_codepoint_t *i;
+    if (multiples_indices.has (k, &i))
+      return multiples_values[*i].as_array ();
+
+    return hb_array_t<hb_codepoint_t> ();
+  }
+
+  bool in_error () const
+  {
+    return singulars.in_error () || multiples_indices.in_error () || multiples_values.in_error ();
+  }
+
+  protected:
+  hb_map_t singulars;
+  hb_map_t multiples_indices;
+  hb_vector_t<hb_vector_t<hb_codepoint_t>> multiples_values;
+};
+
+
+
+#endif /* HB_MULTIMAP_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh b/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh
index 6914b22450..053f9ddcc4 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh
@@ -108,10 +108,11 @@ struct hb_mutex_t
 
 struct hb_lock_t
 {
-  hb_lock_t (hb_mutex_t &mutex_) : mutex (mutex_) { mutex.lock (); }
-  ~hb_lock_t () { mutex.unlock (); }
+  hb_lock_t (hb_mutex_t &mutex_) : mutex (&mutex_) { mutex->lock (); }
+  hb_lock_t (hb_mutex_t *mutex_) : mutex (mutex_) { if (mutex) mutex->lock (); }
+  ~hb_lock_t () { if (mutex) mutex->unlock (); }
   private:
-  hb_mutex_t &mutex;
+  hb_mutex_t *mutex;
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-null.hh b/src/3rdparty/harfbuzz-ng/src/hb-null.hh
index db38a4dfd2..0d7f4da79e 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-null.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-null.hh
@@ -37,7 +37,25 @@
 
 /* Global nul-content Null pool.  Enlarge as necessary. */
 
-#define HB_NULL_POOL_SIZE 384
+#define HB_NULL_POOL_SIZE 448
+
+template <typename T, typename>
+struct _hb_has_min_size : hb_false_type {};
+template <typename T>
+struct _hb_has_min_size<T, hb_void_t<decltype (T::min_size)>>
+	: hb_true_type {};
+template <typename T>
+using hb_has_min_size = _hb_has_min_size<T, void>;
+#define hb_has_min_size(T) hb_has_min_size<T>::value
+
+template <typename T, typename>
+struct _hb_has_null_size : hb_false_type {};
+template <typename T>
+struct _hb_has_null_size<T, hb_void_t<decltype (T::null_size)>>
+	: hb_true_type {};
+template <typename T>
+using hb_has_null_size = _hb_has_null_size<T, void>;
+#define hb_has_null_size(T) hb_has_null_size<T>::value
 
 /* Use SFINAE to sniff whether T has min_size; in which case return the larger
  * of sizeof(T) and T::null_size, otherwise return sizeof(T).
@@ -108,7 +126,7 @@ struct NullHelper
 /* Specializations for arbitrary-content Null objects expressed in bytes. */
 #define DECLARE_NULL_NAMESPACE_BYTES(Namespace, Type) \
 	} /* Close namespace. */ \
-	extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[Namespace::Type::null_size]; \
+	extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[hb_null_size (Namespace::Type)]; \
 	template <> \
 	struct Null<Namespace::Type> { \
 	  static Namespace::Type const & get_null () { \
@@ -117,8 +135,19 @@ struct NullHelper
 	}; \
 	namespace Namespace { \
 	static_assert (true, "") /* Require semicolon after. */
+#define DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1(Namespace, Type, Size) \
+	} /* Close namespace. */ \
+	extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[Size]; \
+	template <typename Spec> \
+	struct Null<Namespace::Type<Spec>> { \
+	  static Namespace::Type<Spec> const & get_null () { \
+	    return *reinterpret_cast<const Namespace::Type<Spec> *> (_hb_Null_##Namespace##_##Type); \
+	  } \
+	}; \
+	namespace Namespace { \
+	static_assert (true, "") /* Require semicolon after. */
 #define DEFINE_NULL_NAMESPACE_BYTES(Namespace, Type) \
-	const unsigned char _hb_Null_##Namespace##_##Type[Namespace::Type::null_size]
+	const unsigned char _hb_Null_##Namespace##_##Type[sizeof (_hb_Null_##Namespace##_##Type)]
 
 /* Specializations for arbitrary-content Null objects expressed as struct initializer. */
 #define DECLARE_NULL_INSTANCE(Type) \
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh b/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh
index 1a9dbba6dd..ec68c3a728 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh
@@ -31,7 +31,7 @@
 #include "hb.hh"
 
 
-#line 35 "hb-number-parser.hh"
+#line 32 "hb-number-parser.hh"
 static const unsigned char _double_parser_trans_keys[] = {
 	0u, 0u, 43u, 57u, 46u, 57u, 48u, 57u, 43u, 57u, 48u, 57u, 48u, 101u, 48u, 57u, 
 	46u, 101u, 0
@@ -135,12 +135,12 @@ strtod_rl (const char *p, const char **end_ptr /* IN/OUT */)
 
   int cs;
   
-#line 139 "hb-number-parser.hh"
+#line 132 "hb-number-parser.hh"
 	{
 	cs = double_parser_start;
 	}
 
-#line 144 "hb-number-parser.hh"
+#line 135 "hb-number-parser.hh"
 	{
 	int _slen;
 	int _trans;
@@ -198,7 +198,7 @@ _resume:
 	  exp_overflow = true;
 }
 	break;
-#line 202 "hb-number-parser.hh"
+#line 187 "hb-number-parser.hh"
 	}
 
 _again:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-object.hh b/src/3rdparty/harfbuzz-ng/src/hb-object.hh
index 4b5bc32ade..a23c25f7ca 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-object.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-object.hh
@@ -80,7 +80,7 @@ struct hb_lockable_set_t
     if (item)
     {
       item_t old = *item;
-      *item = items[items.length - 1];
+      *item = std::move (items.tail ());
       items.pop ();
       l.unlock ();
       old.fini ();
@@ -123,7 +123,7 @@ struct hb_lockable_set_t
     l.lock ();
     while (items.length)
     {
-      item_t old = items[items.length - 1];
+      item_t old = items.tail ();
       items.pop ();
       l.unlock ();
       old.fini ();
@@ -144,14 +144,14 @@ struct hb_reference_count_t
 {
   mutable hb_atomic_int_t ref_count;
 
-  void init (int v = 1) { ref_count.set_relaxed (v); }
-  int get_relaxed () const { return ref_count.get_relaxed (); }
+  void init (int v = 1) { ref_count = v; }
+  int get_relaxed () const { return ref_count; }
   int inc () const { return ref_count.inc (); }
   int dec () const { return ref_count.dec (); }
-  void fini () { ref_count.set_relaxed (-0x0000DEAD); }
+  void fini () { ref_count = -0x0000DEAD; }
 
-  bool is_inert () const { return !ref_count.get_relaxed (); }
-  bool is_valid () const { return ref_count.get_relaxed () > 0; }
+  bool is_inert () const { return !ref_count; }
+  bool is_valid () const { return ref_count > 0; }
 };
 
 
@@ -214,23 +214,26 @@ static inline void hb_object_trace (const Type *obj, const char *function)
 	     obj ? obj->header.ref_count.get_relaxed () : 0);
 }
 
-template <typename Type>
-static inline Type *hb_object_create ()
+template <typename Type, typename ...Ts>
+static inline Type *hb_object_create (Ts... ds)
 {
   Type *obj = (Type *) hb_calloc (1, sizeof (Type));
 
   if (unlikely (!obj))
     return obj;
 
+  new (obj) Type (std::forward<Ts> (ds)...);
+
   hb_object_init (obj);
   hb_object_trace (obj, HB_FUNC);
+
   return obj;
 }
 template <typename Type>
 static inline void hb_object_init (Type *obj)
 {
   obj->header.ref_count.init ();
-  obj->header.writable.set_relaxed (true);
+  obj->header.writable = true;
   obj->header.user_data.init ();
 }
 template <typename Type>
@@ -241,12 +244,12 @@ static inline bool hb_object_is_valid (const Type *obj)
 template <typename Type>
 static inline bool hb_object_is_immutable (const Type *obj)
 {
-  return !obj->header.writable.get_relaxed ();
+  return !obj->header.writable;
 }
 template <typename Type>
 static inline void hb_object_make_immutable (const Type *obj)
 {
-  obj->header.writable.set_relaxed (false);
+  obj->header.writable = false;
 }
 template <typename Type>
 static inline Type *hb_object_reference (Type *obj)
@@ -269,18 +272,22 @@ static inline bool hb_object_destroy (Type *obj)
     return false;
 
   hb_object_fini (obj);
+
+  if (!std::is_trivially_destructible<Type>::value)
+    obj->~Type ();
+
   return true;
 }
 template <typename Type>
 static inline void hb_object_fini (Type *obj)
 {
   obj->header.ref_count.fini (); /* Do this before user_data */
-  hb_user_data_array_t *user_data = obj->header.user_data.get ();
+  hb_user_data_array_t *user_data = obj->header.user_data.get_acquire ();
   if (user_data)
   {
     user_data->fini ();
     hb_free (user_data);
-    user_data = nullptr;
+    obj->header.user_data.set_relaxed (nullptr);
   }
 }
 template <typename Type>
@@ -295,7 +302,7 @@ static inline bool hb_object_set_user_data (Type               *obj,
   assert (hb_object_is_valid (obj));
 
 retry:
-  hb_user_data_array_t *user_data = obj->header.user_data.get ();
+  hb_user_data_array_t *user_data = obj->header.user_data.get_acquire ();
   if (unlikely (!user_data))
   {
     user_data = (hb_user_data_array_t *) hb_calloc (sizeof (hb_user_data_array_t), 1);
@@ -320,7 +327,7 @@ static inline void *hb_object_get_user_data (Type               *obj,
   if (unlikely (!obj || obj->header.is_inert ()))
     return nullptr;
   assert (hb_object_is_valid (obj));
-  hb_user_data_array_t *user_data = obj->header.user_data.get ();
+  hb_user_data_array_t *user_data = obj->header.user_data.get_acquire ();
   if (!user_data)
     return nullptr;
   return user_data->get (key);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh b/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh
index 6eee5827c1..13570a46e0 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh
@@ -90,7 +90,7 @@ typedef struct OpenTypeOffsetTable
   {
     if (table_count)
     {
-      + tables.sub_array (start_offset, table_count)
+      + tables.as_array ().sub_array (start_offset, table_count)
       | hb_map (&TableRecord::tag)
       | hb_sink (hb_array (table_tags, *table_count))
       ;
@@ -158,7 +158,7 @@ typedef struct OpenTypeOffsetTable
         return_trace (false);
 
       if (likely (len))
-	memcpy (start, blob->data, len);
+	hb_memcpy (start, blob->data, len);
 
       /* 4-byte alignment. */
       c->align (4);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh
index 7e524177f6..290799127a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh
@@ -33,6 +33,7 @@
 #include "hb-blob.hh"
 #include "hb-face.hh"
 #include "hb-machinery.hh"
+#include "hb-meta.hh"
 #include "hb-subset.hh"
 
 
@@ -104,7 +105,7 @@ struct IntType
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
   protected:
   BEInt<Type, Size> v;
@@ -140,27 +141,27 @@ typedef HBINT32 FWORD32;
 /* 16-bit unsigned integer (HBUINT16) that describes a quantity in FUnits. */
 typedef HBUINT16 UFWORD;
 
-/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
-struct F2DOT14 : HBINT16
+template <typename Type, unsigned fraction_bits>
+struct HBFixed : Type
 {
-  F2DOT14& operator = (uint16_t i ) { HBINT16::operator= (i); return *this; }
-  // 16384 means 1<<14
-  float to_float () const  { return ((int32_t) v) / 16384.f; }
-  void set_float (float f) { v = roundf (f * 16384.f); }
+  static constexpr float shift = (float) (1 << fraction_bits);
+  static_assert (Type::static_size * 8 > fraction_bits, "");
+
+  HBFixed& operator = (typename Type::type i ) { Type::operator= (i); return *this; }
+  float to_float (float offset = 0) const  { return ((int32_t) Type::v + offset) / shift; }
+  void set_float (float f) { Type::v = roundf (f * shift); }
   public:
-  DEFINE_SIZE_STATIC (2);
+  DEFINE_SIZE_STATIC (Type::static_size);
 };
 
+/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
+using F2DOT14 = HBFixed<HBINT16, 14>;
+
+/* 16-bit signed fixed number with the low 12 bits of fraction (4.12). */
+using F4DOT12 = HBFixed<HBINT16, 12>;
+
 /* 32-bit signed fixed-point number (16.16). */
-struct HBFixed : HBINT32
-{
-  HBFixed& operator = (uint32_t i) { HBINT32::operator= (i); return *this; }
-  // 65536 means 1<<16
-  float to_float () const  { return ((int32_t) v) / 65536.f; }
-  void set_float (float f) { v = roundf (f * 65536.f); }
-  public:
-  DEFINE_SIZE_STATIC (4);
-};
+using F16DOT16 = HBFixed<HBINT32, 16>;
 
 /* Date represented in number of seconds since 12:00 midnight, January 1,
  * 1904. The value is represented as a signed 64-bit integer. */
@@ -169,7 +170,7 @@ struct LONGDATETIME
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
   protected:
   HBINT32 major;
@@ -195,6 +196,10 @@ struct HBGlyphID16 : HBUINT16
 {
   HBGlyphID16& operator = (uint16_t i) { HBUINT16::operator= (i); return *this; }
 };
+struct HBGlyphID24 : HBUINT24
+{
+  HBGlyphID24& operator = (uint32_t i) { HBUINT24::operator= (i); return *this; }
+};
 
 /* Script/language-system/feature index */
 struct Index : HBUINT16 {
@@ -207,6 +212,12 @@ typedef Index NameID;
 
 struct VarIdx : HBUINT32 {
   static constexpr unsigned NO_VARIATION = 0xFFFFFFFFu;
+  static_assert (NO_VARIATION == HB_OT_LAYOUT_NO_VARIATIONS_INDEX, "");
+  static uint32_t add (uint32_t i, unsigned short v)
+  {
+    if (i == NO_VARIATION) return i;
+    return i + v;
+  }
   VarIdx& operator = (uint32_t i) { HBUINT32::operator= (i); return *this; }
 };
 DECLARE_NULL_NAMESPACE_BYTES (OT, VarIdx);
@@ -299,6 +310,10 @@ struct _hb_has_null<Type, true>
 template <typename Type, typename OffsetType, bool has_null=true>
 struct OffsetTo : Offset<OffsetType, has_null>
 {
+  // Make sure Type is not unbounded; works only for types that are fully defined at OffsetTo time.
+  static_assert (has_null == false ||
+		 (hb_has_null_size (Type) || !hb_has_min_size (Type)), "");
+
   HB_DELETE_COPY_ASSIGN (OffsetTo);
   OffsetTo () = default;
 
@@ -449,14 +464,16 @@ struct UnsizedArrayOf
   {
     unsigned int i = (unsigned int) i_;
     const Type *p = &arrayZ[i];
-    if (unlikely (p < arrayZ)) return Null (Type); /* Overflowed. */
+    if (unlikely ((const void *) p < (const void *) arrayZ)) return Null (Type); /* Overflowed. */
+    _hb_compiler_memory_r_barrier ();
     return *p;
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     Type *p = &arrayZ[i];
-    if (unlikely (p < arrayZ)) return Crap (Type); /* Overflowed. */
+    if (unlikely ((const void *) p < (const void *) arrayZ)) return Crap (Type); /* Overflowed. */
+    _hb_compiler_memory_r_barrier ();
     return *p;
   }
 
@@ -485,10 +502,10 @@ struct UnsizedArrayOf
   void qsort (unsigned int len, unsigned int start = 0, unsigned int end = (unsigned int) -1)
   { as_array (len).qsort (start, end); }
 
-  bool serialize (hb_serialize_context_t *c, unsigned int items_len)
+  bool serialize (hb_serialize_context_t *c, unsigned int items_len, bool clear = true)
   {
     TRACE_SERIALIZE (this);
-    if (unlikely (!c->extend (this, items_len))) return_trace (false);
+    if (unlikely (!c->extend_size (this, get_size (items_len), clear))) return_trace (false);
     return_trace (true);
   }
   template <typename Iterator,
@@ -496,8 +513,8 @@ struct UnsizedArrayOf
   bool serialize (hb_serialize_context_t *c, Iterator items)
   {
     TRACE_SERIALIZE (this);
-    unsigned count = items.len ();
-    if (unlikely (!serialize (c, count))) return_trace (false);
+    unsigned count = hb_len (items);
+    if (unlikely (!serialize (c, count, false))) return_trace (false);
     /* TODO Umm. Just exhaust the iterator instead?  Being extra
      * cautious right now.. */
     for (unsigned i = 0; i < count; i++, ++items)
@@ -518,7 +535,7 @@ struct UnsizedArrayOf
   {
     TRACE_SANITIZE (this);
     if (unlikely (!sanitize_shallow (c, count))) return_trace (false);
-    if (!sizeof... (Ts) && std::is_trivially_copyable<Type>::value) return_trace (true);
+    if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true);
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!c->dispatch (arrayZ[i], std::forward<Ts> (ds)...)))
 	return_trace (false);
@@ -549,14 +566,16 @@ struct UnsizedListOfOffset16To : UnsizedArray16OfOffsetTo<Type, OffsetType, has_
   {
     unsigned int i = (unsigned int) i_;
     const OffsetTo<Type, OffsetType, has_null> *p = &this->arrayZ[i];
-    if (unlikely (p < this->arrayZ)) return Null (Type); /* Overflowed. */
+    if (unlikely ((const void *) p < (const void *) this->arrayZ)) return Null (Type); /* Overflowed. */
+    _hb_compiler_memory_r_barrier ();
     return this+*p;
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     const OffsetTo<Type, OffsetType, has_null> *p = &this->arrayZ[i];
-    if (unlikely (p < this->arrayZ)) return Crap (Type); /* Overflowed. */
+    if (unlikely ((const void *) p < (const void *) this->arrayZ)) return Crap (Type); /* Overflowed. */
+    _hb_compiler_memory_r_barrier ();
     return this+*p;
   }
 
@@ -607,12 +626,14 @@ struct ArrayOf
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= len)) return Null (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i];
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= len)) return Crap (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i];
   }
 
@@ -634,14 +655,9 @@ struct ArrayOf
   operator   iter_t () const { return   iter (); }
   operator writer_t ()       { return writer (); }
 
-  hb_array_t<const Type> sub_array (unsigned int start_offset, unsigned int count) const
-  { return as_array ().sub_array (start_offset, count); }
-  hb_array_t<const Type> sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) const
-  { return as_array ().sub_array (start_offset, count); }
-  hb_array_t<Type> sub_array (unsigned int start_offset, unsigned int count)
-  { return as_array ().sub_array (start_offset, count); }
-  hb_array_t<Type> sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */)
-  { return as_array ().sub_array (start_offset, count); }
+  /* Faster range-based for loop. */
+  const Type *begin () const { return arrayZ; }
+  const Type *end () const { return arrayZ + len; }
 
   template <typename T>
   Type &lsearch (const T &x, Type &not_found = Crap (Type))
@@ -655,15 +671,15 @@ struct ArrayOf
 	      unsigned int to_store = (unsigned int) -1) const
   { return as_array ().lfind (x, i, not_found, to_store); }
 
-  void qsort (unsigned int start = 0, unsigned int end = (unsigned int) -1)
-  { as_array ().qsort (start, end); }
+  void qsort ()
+  { as_array ().qsort (); }
 
-  HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned items_len)
+  HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned items_len, bool clear = true)
   {
     TRACE_SERIALIZE (this);
     if (unlikely (!c->extend_min (this))) return_trace (false);
     c->check_assign (len, items_len, HB_SERIALIZE_ERROR_ARRAY_OVERFLOW);
-    if (unlikely (!c->extend (this))) return_trace (false);
+    if (unlikely (!c->extend_size (this, get_size (), clear))) return_trace (false);
     return_trace (true);
   }
   template <typename Iterator,
@@ -671,8 +687,8 @@ struct ArrayOf
   HB_NODISCARD bool serialize (hb_serialize_context_t *c, Iterator items)
   {
     TRACE_SERIALIZE (this);
-    unsigned count = items.len ();
-    if (unlikely (!serialize (c, count))) return_trace (false);
+    unsigned count = hb_len (items);
+    if (unlikely (!serialize (c, count, false))) return_trace (false);
     /* TODO Umm. Just exhaust the iterator instead?  Being extra
      * cautious right now.. */
     for (unsigned i = 0; i < count; i++, ++items)
@@ -707,7 +723,7 @@ struct ArrayOf
   {
     TRACE_SANITIZE (this);
     if (unlikely (!sanitize_shallow (c))) return_trace (false);
-    if (!sizeof... (Ts) && std::is_trivially_copyable<Type>::value) return_trace (true);
+    if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true);
     unsigned int count = len;
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!c->dispatch (arrayZ[i], std::forward<Ts> (ds)...)))
@@ -728,6 +744,7 @@ struct ArrayOf
   DEFINE_SIZE_ARRAY (sizeof (LenType), arrayZ);
 };
 template <typename Type> using Array16Of = ArrayOf<Type, HBUINT16>;
+template <typename Type> using Array24Of = ArrayOf<Type, HBUINT24>;
 template <typename Type> using Array32Of = ArrayOf<Type, HBUINT32>;
 using PString = ArrayOf<HBUINT8, HBUINT8>;
 
@@ -737,26 +754,28 @@ template <typename Type> using Array16OfOffset32To = ArrayOf<OffsetTo<Type, HBUI
 template <typename Type> using Array32OfOffset32To = ArrayOf<OffsetTo<Type, HBUINT32>, HBUINT32>;
 
 /* Array of offsets relative to the beginning of the array itself. */
-template <typename Type>
-struct List16OfOffset16To : Array16OfOffset16To<Type>
+template <typename Type, typename OffsetType>
+struct List16OfOffsetTo : ArrayOf<OffsetTo<Type, OffsetType>, HBUINT16>
 {
   const Type& operator [] (int i_) const
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= this->len)) return Null (Type);
+    _hb_compiler_memory_r_barrier ();
     return this+this->arrayZ[i];
   }
   const Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= this->len)) return Crap (Type);
+    _hb_compiler_memory_r_barrier ();
     return this+this->arrayZ[i];
   }
 
   bool subset (hb_subset_context_t *c) const
   {
     TRACE_SUBSET (this);
-    struct List16OfOffset16To<Type> *out = c->serializer->embed (*this);
+    struct List16OfOffsetTo *out = c->serializer->embed (*this);
     if (unlikely (!out)) return_trace (false);
     unsigned int count = this->len;
     for (unsigned int i = 0; i < count; i++)
@@ -768,10 +787,13 @@ struct List16OfOffset16To : Array16OfOffset16To<Type>
   bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
   {
     TRACE_SANITIZE (this);
-    return_trace (Array16OfOffset16To<Type>::sanitize (c, this, std::forward<Ts> (ds)...));
+    return_trace ((Array16Of<OffsetTo<Type, OffsetType>>::sanitize (c, this, std::forward<Ts> (ds)...)));
   }
 };
 
+template <typename Type>
+using List16OfOffset16To = List16OfOffsetTo<Type, HBUINT16>;
+
 /* An array starting at second element. */
 template <typename Type, typename LenType=HBUINT16>
 struct HeadlessArrayOf
@@ -784,12 +806,14 @@ struct HeadlessArrayOf
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= lenP1 || !i)) return Null (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i-1];
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= lenP1 || !i)) return Crap (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i-1];
   }
   unsigned int get_size () const
@@ -808,21 +832,25 @@ struct HeadlessArrayOf
   operator   iter_t () const { return   iter (); }
   operator writer_t ()       { return writer (); }
 
-  bool serialize (hb_serialize_context_t *c, unsigned int items_len)
+  /* Faster range-based for loop. */
+  const Type *begin () const { return arrayZ; }
+  const Type *end () const { return arrayZ + get_length (); }
+
+  HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned int items_len, bool clear = true)
   {
     TRACE_SERIALIZE (this);
     if (unlikely (!c->extend_min (this))) return_trace (false);
     c->check_assign (lenP1, items_len + 1, HB_SERIALIZE_ERROR_ARRAY_OVERFLOW);
-    if (unlikely (!c->extend (this))) return_trace (false);
+    if (unlikely (!c->extend_size (this, get_size (), clear))) return_trace (false);
     return_trace (true);
   }
   template <typename Iterator,
 	    hb_requires (hb_is_source_of (Iterator, Type))>
-  bool serialize (hb_serialize_context_t *c, Iterator items)
+  HB_NODISCARD bool serialize (hb_serialize_context_t *c, Iterator items)
   {
     TRACE_SERIALIZE (this);
-    unsigned count = items.len ();
-    if (unlikely (!serialize (c, count))) return_trace (false);
+    unsigned count = hb_len (items);
+    if (unlikely (!serialize (c, count, false))) return_trace (false);
     /* TODO Umm. Just exhaust the iterator instead?  Being extra
      * cautious right now.. */
     for (unsigned i = 0; i < count; i++, ++items)
@@ -835,7 +863,7 @@ struct HeadlessArrayOf
   {
     TRACE_SANITIZE (this);
     if (unlikely (!sanitize_shallow (c))) return_trace (false);
-    if (!sizeof... (Ts) && std::is_trivially_copyable<Type>::value) return_trace (true);
+    if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true);
     unsigned int count = get_length ();
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!c->dispatch (arrayZ[i], std::forward<Ts> (ds)...)))
@@ -868,12 +896,14 @@ struct ArrayOfM1
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i > lenM1)) return Null (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i];
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i > lenM1)) return Crap (Type);
+    _hb_compiler_memory_r_barrier ();
     return arrayZ[i];
   }
   unsigned int get_size () const
@@ -884,7 +914,7 @@ struct ArrayOfM1
   {
     TRACE_SANITIZE (this);
     if (unlikely (!sanitize_shallow (c))) return_trace (false);
-    if (!sizeof... (Ts) && std::is_trivially_copyable<Type>::value) return_trace (true);
+    if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true);
     unsigned int count = lenM1 + 1;
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!c->dispatch (arrayZ[i], std::forward<Ts> (ds)...)))
@@ -922,14 +952,9 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
   operator   iter_t () const { return   iter (); }
   operator writer_t ()       { return writer (); }
 
-  hb_sorted_array_t<const Type> sub_array (unsigned int start_offset, unsigned int count) const
-  { return as_array ().sub_array (start_offset, count); }
-  hb_sorted_array_t<const Type> sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) const
-  { return as_array ().sub_array (start_offset, count); }
-  hb_sorted_array_t<Type> sub_array (unsigned int start_offset, unsigned int count)
-  { return as_array ().sub_array (start_offset, count); }
-  hb_sorted_array_t<Type> sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */)
-  { return as_array ().sub_array (start_offset, count); }
+  /* Faster range-based for loop. */
+  const Type *begin () const { return this->arrayZ; }
+  const Type *end () const { return this->arrayZ + this->len; }
 
   bool serialize (hb_serialize_context_t *c, unsigned int items_len)
   {
@@ -960,6 +985,7 @@ struct SortedArrayOf : ArrayOf<Type, LenType>
 };
 
 template <typename Type> using SortedArray16Of = SortedArrayOf<Type, HBUINT16>;
+template <typename Type> using SortedArray24Of = SortedArrayOf<Type, HBUINT24>;
 template <typename Type> using SortedArray32Of = SortedArrayOf<Type, HBUINT32>;
 
 /*
@@ -1052,12 +1078,14 @@ struct VarSizedBinSearchArrayOf
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= get_length ())) return Null (Type);
+    _hb_compiler_memory_r_barrier ();
     return StructAtOffset<Type> (&bytesZ, i * header.unitSize);
   }
   Type& operator [] (int i_)
   {
     unsigned int i = (unsigned int) i_;
     if (unlikely (i >= get_length ())) return Crap (Type);
+    _hb_compiler_memory_r_barrier ();
     return StructAtOffset<Type> (&bytesZ, i * header.unitSize);
   }
   unsigned int get_length () const
@@ -1070,7 +1098,7 @@ struct VarSizedBinSearchArrayOf
   {
     TRACE_SANITIZE (this);
     if (unlikely (!sanitize_shallow (c))) return_trace (false);
-    if (!sizeof... (Ts) && std::is_trivially_copyable<Type>::value) return_trace (true);
+    if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true);
     unsigned int count = get_length ();
     for (unsigned int i = 0; i < count; i++)
       if (unlikely (!(*this)[i].sanitize (c, std::forward<Ts> (ds)...)))
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh
index c102c15173..f22824fc69 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh
@@ -46,161 +46,45 @@ template<typename Type>
 static inline const Type& StructAtOffsetOrNull (const void *P, unsigned int offset)
 { return offset ? StructAtOffset<Type> (P, offset) : Null (Type); }
 
-inline unsigned int calcOffSize (unsigned int dataSize)
-{
-  unsigned int size = 1;
-  unsigned int offset = dataSize + 1;
-  while (offset & ~0xFF)
-  {
-    size++;
-    offset >>= 8;
-  }
-  /* format does not support size > 4; caller should handle it as an error */
-  return size;
-}
-
 struct code_pair_t
 {
   hb_codepoint_t code;
   hb_codepoint_t glyph;
 };
 
-typedef hb_vector_t<unsigned char> str_buff_t;
-struct str_buff_vec_t : hb_vector_t<str_buff_t>
-{
-  unsigned int total_size () const
-  {
-    unsigned int size = 0;
-    for (unsigned int i = 0; i < length; i++)
-      size += (*this)[i].length;
-    return size;
-  }
-
-  private:
-  typedef hb_vector_t<str_buff_t> SUPER;
-};
+using str_buff_t = hb_vector_t<unsigned char>;
+using str_buff_vec_t = hb_vector_t<str_buff_t>;
 
 /* CFF INDEX */
 template <typename COUNT>
 struct CFFIndex
 {
-  static unsigned int calculate_offset_array_size (unsigned int offSize, unsigned int count)
-  { return offSize * (count + 1); }
-
   unsigned int offset_array_size () const
-  { return calculate_offset_array_size (offSize, count); }
+  { return offSize * (count + 1); }
 
   CFFIndex *copy (hb_serialize_context_t *c) const
   {
     TRACE_SERIALIZE (this);
     unsigned int size = get_size ();
-    CFFIndex *out = c->allocate_size<CFFIndex> (size);
+    CFFIndex *out = c->allocate_size<CFFIndex> (size, false);
     if (likely (out))
-      memcpy (out, this, size);
+      hb_memcpy (out, this, size);
     return_trace (out);
   }
 
-  bool serialize (hb_serialize_context_t *c, const CFFIndex &src)
-  {
-    TRACE_SERIALIZE (this);
-    unsigned int size = src.get_size ();
-    CFFIndex *dest = c->allocate_size<CFFIndex> (size);
-    if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, &src, size);
-    return_trace (true);
-  }
-
-  bool serialize (hb_serialize_context_t *c,
-		  unsigned int offSize_,
-		  const byte_str_array_t &byteArray)
-  {
-    TRACE_SERIALIZE (this);
-    if (byteArray.length == 0)
-    {
-      COUNT *dest = c->allocate_min<COUNT> ();
-      if (unlikely (!dest)) return_trace (false);
-      *dest = 0;
-    }
-    else
-    {
-      /* serialize CFFIndex header */
-      if (unlikely (!c->extend_min (this))) return_trace (false);
-      this->count = byteArray.length;
-      this->offSize = offSize_;
-      if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (byteArray.length + 1))))
-	return_trace (false);
-
-      /* serialize indices */
-      unsigned int  offset = 1;
-      unsigned int  i = 0;
-      for (; i < byteArray.length; i++)
-      {
-	set_offset_at (i, offset);
-	offset += byteArray[i].get_size ();
-      }
-      set_offset_at (i, offset);
-
-      /* serialize data */
-      for (unsigned int i = 0; i < byteArray.length; i++)
-      {
-	const byte_str_t &bs = byteArray[i];
-	unsigned char *dest = c->allocate_size<unsigned char> (bs.length);
-	if (unlikely (!dest)) return_trace (false);
-	memcpy (dest, &bs[0], bs.length);
-      }
-    }
-    return_trace (true);
-  }
-
-  bool serialize (hb_serialize_context_t *c,
-		  unsigned int offSize_,
-		  const str_buff_vec_t &buffArray)
-  {
-    byte_str_array_t  byteArray;
-    byteArray.init ();
-    byteArray.resize (buffArray.length);
-    for (unsigned int i = 0; i < byteArray.length; i++)
-      byteArray[i] = byte_str_t (buffArray[i].arrayZ, buffArray[i].length);
-    bool result = this->serialize (c, offSize_, byteArray);
-    byteArray.fini ();
-    return result;
-  }
-
-  template <typename Iterator,
-	    hb_requires (hb_is_iterator (Iterator))>
+  template <typename Iterable,
+	    hb_requires (hb_is_iterable (Iterable))>
   bool serialize (hb_serialize_context_t *c,
-		  Iterator it)
+		  const Iterable &iterable)
   {
     TRACE_SERIALIZE (this);
-    if (it.len () == 0)
-    {
-      COUNT *dest = c->allocate_min<COUNT> ();
-      if (unlikely (!dest)) return_trace (false);
-      *dest = 0;
-    }
-    else
-    {
-      serialize_header(c, + it | hb_map ([] (const byte_str_t &_) { return _.length; }));
-      for (const auto &_ : +it)
-	_.copy (c);
-    }
+    auto it = hb_iter (iterable);
+    serialize_header(c, + it | hb_map (hb_iter) | hb_map (hb_len));
+    for (const auto &_ : +it)
+      hb_iter (_).copy (c);
     return_trace (true);
   }
 
-  bool serialize (hb_serialize_context_t *c,
-		  const byte_str_array_t &byteArray)
-  { return serialize (c, + hb_iter (byteArray)); }
-
-  bool serialize (hb_serialize_context_t *c,
-		  const str_buff_vec_t &buffArray)
-  {
-    auto it =
-    + hb_iter (buffArray)
-    | hb_map ([] (const str_buff_t &_) { return byte_str_t (_.arrayZ, _.length); })
-    ;
-    return serialize (c, it);
-  }
-
   template <typename Iterator,
 	    hb_requires (hb_is_iterator (Iterator))>
   bool serialize_header (hb_serialize_context_t *c,
@@ -209,13 +93,15 @@ struct CFFIndex
     TRACE_SERIALIZE (this);
 
     unsigned total = + it | hb_reduce (hb_add, 0);
-    unsigned off_size = calcOffSize (total);
+    unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8;
 
     /* serialize CFFIndex header */
     if (unlikely (!c->extend_min (this))) return_trace (false);
     this->count = it.len ();
+    if (!this->count) return_trace (true);
+    if (unlikely (!c->extend (this->offSize))) return_trace (false);
     this->offSize = off_size;
-    if (unlikely (!c->allocate_size<HBUINT8> (off_size * (it.len () + 1))))
+    if (unlikely (!c->allocate_size<HBUINT8> (off_size * (this->count + 1), false)))
       return_trace (false);
 
     /* serialize indices */
@@ -223,16 +109,30 @@ struct CFFIndex
     unsigned int i = 0;
     for (unsigned _ : +it)
     {
-      CFFIndex<COUNT>::set_offset_at (i++, offset);
+      set_offset_at (i++, offset);
       offset += _;
     }
-    CFFIndex<COUNT>::set_offset_at (i, offset);
+    set_offset_at (i, offset);
 
     return_trace (true);
   }
 
+  template <typename Iterable,
+	    hb_requires (hb_is_iterable (Iterable))>
+  static unsigned total_size (const Iterable &iterable)
+  {
+    auto it = + hb_iter (iterable) | hb_map (hb_iter) | hb_map (hb_len);
+    if (!it) return 0;
+
+    unsigned total = + it | hb_reduce (hb_add, 0);
+    unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8;
+
+    return min_size + HBUINT8::static_size + (hb_len (it) + 1) * off_size + total;
+  }
+
   void set_offset_at (unsigned int index, unsigned int offset)
   {
+    assert (index <= count);
     HBUINT8 *p = offsets + offSize * index + offSize;
     unsigned int size = offSize;
     for (; size; size--)
@@ -243,85 +143,77 @@ struct CFFIndex
     }
   }
 
+  private:
   unsigned int offset_at (unsigned int index) const
   {
     assert (index <= count);
-    const HBUINT8 *p = offsets + offSize * index;
+
     unsigned int size = offSize;
-    unsigned int offset = 0;
-    for (; size; size--)
-      offset = (offset << 8) + *p++;
-    return offset;
+    const HBUINT8 *p = offsets + size * index;
+    switch (size)
+    {
+      case 1: return * (HBUINT8  *) p;
+      case 2: return * (HBUINT16 *) p;
+      case 3: return * (HBUINT24 *) p;
+      case 4: return * (HBUINT32 *) p;
+      default: return 0;
+    }
   }
 
   unsigned int length_at (unsigned int index) const
   {
-    if (unlikely ((offset_at (index + 1) < offset_at (index)) ||
-		  (offset_at (index + 1) > offset_at (count))))
+    unsigned offset0 = offset_at (index);
+    unsigned offset1 = offset_at (index + 1);
+    if (unlikely (offset1 < offset0 || offset1 > offset_at (count)))
       return 0;
-    return offset_at (index + 1) - offset_at (index);
+    return offset1 - offset0;
   }
 
   const unsigned char *data_base () const
-  { return (const unsigned char *) this + min_size + offset_array_size (); }
-
-  unsigned int data_size () const { return HBINT8::static_size; }
+  { return (const unsigned char *) this + min_size + offSize.static_size + offset_array_size (); }
+  public:
 
-  byte_str_t operator [] (unsigned int index) const
+  hb_ubytes_t operator [] (unsigned int index) const
   {
-    if (unlikely (index >= count)) return Null (byte_str_t);
-    return byte_str_t (data_base () + offset_at (index) - 1, length_at (index));
+    if (unlikely (index >= count)) return hb_ubytes_t ();
+    _hb_compiler_memory_r_barrier ();
+    unsigned length = length_at (index);
+    if (unlikely (!length)) return hb_ubytes_t ();
+    return hb_ubytes_t (data_base () + offset_at (index) - 1, length);
   }
 
   unsigned int get_size () const
   {
-    if (this == &Null (CFFIndex)) return 0;
-    if (count > 0)
-      return min_size + offset_array_size () + (offset_at (count) - 1);
-    return count.static_size;  /* empty CFFIndex contains count only */
+    if (count)
+      return min_size + offSize.static_size + offset_array_size () + (offset_at (count) - 1);
+    return min_size;  /* empty CFFIndex contains count only */
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely ((c->check_struct (this) && count == 0) || /* empty INDEX */
-			  (c->check_struct (this) && offSize >= 1 && offSize <= 4 &&
-			   c->check_array (offsets, offSize, count + 1) &&
-			   c->check_array ((const HBUINT8*) data_base (), 1, max_offset () - 1))));
-  }
-
-  protected:
-  unsigned int max_offset () const
-  {
-    unsigned int max = 0;
-    for (unsigned int i = 0; i < count + 1u; i++)
-    {
-      unsigned int off = offset_at (i);
-      if (off > max) max = off;
-    }
-    return max;
+    return_trace (likely (c->check_struct (this) &&
+			  (count == 0 || /* empty INDEX */
+			   (count < count + 1u &&
+			    c->check_struct (&offSize) && offSize >= 1 && offSize <= 4 &&
+			    c->check_array (offsets, offSize, count + 1u) &&
+			    c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count) - 1)))));
   }
 
   public:
   COUNT		count;		/* Number of object data. Note there are (count+1) offsets */
+  private:
   HBUINT8	offSize;	/* The byte size of each offset in the offsets array. */
   HBUINT8	offsets[HB_VAR_ARRAY];
 				/* The array of (count + 1) offsets into objects array (1-base). */
   /* HBUINT8 data[HB_VAR_ARRAY];	Object data */
   public:
-  DEFINE_SIZE_ARRAY (COUNT::static_size + HBUINT8::static_size, offsets);
+  DEFINE_SIZE_MIN (COUNT::static_size);
 };
 
 template <typename COUNT, typename TYPE>
 struct CFFIndexOf : CFFIndex<COUNT>
 {
-  const byte_str_t operator [] (unsigned int index) const
-  {
-    if (likely (index < CFFIndex<COUNT>::count))
-      return byte_str_t (CFFIndex<COUNT>::data_base () + CFFIndex<COUNT>::offset_at (index) - 1, CFFIndex<COUNT>::length_at (index));
-    return Null (byte_str_t);
-  }
-
   template <typename DATA, typename PARAM1, typename PARAM2>
   bool serialize (hb_serialize_context_t *c,
 		  unsigned int offSize_,
@@ -336,7 +228,7 @@ struct CFFIndexOf : CFFIndex<COUNT>
     if (unlikely (!c->extend_min (this))) return_trace (false);
     this->count = dataArrayLen;
     this->offSize = offSize_;
-    if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (dataArrayLen + 1))))
+    if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (dataArrayLen + 1), false)))
       return_trace (false);
 
     /* serialize indices */
@@ -344,10 +236,10 @@ struct CFFIndexOf : CFFIndex<COUNT>
     unsigned int  i = 0;
     for (; i < dataArrayLen; i++)
     {
-      CFFIndex<COUNT>::set_offset_at (i, offset);
+      this->set_offset_at (i, offset);
       offset += dataSizeArray[i];
     }
-    CFFIndex<COUNT>::set_offset_at (i, offset);
+    this->set_offset_at (i, offset);
 
     /* serialize data */
     for (unsigned int i = 0; i < dataArrayLen; i++)
@@ -380,13 +272,12 @@ struct Dict : UnsizedByteStr
   template <typename T, typename V>
   static bool serialize_int_op (hb_serialize_context_t *c, op_code_t op, V value, op_code_t intOp)
   {
-    // XXX: not sure why but LLVM fails to compile the following 'unlikely' macro invocation
-    if (/*unlikely*/ (!serialize_int<T, V> (c, intOp, value)))
+    if (unlikely ((!serialize_int<T, V> (c, intOp, value))))
       return false;
 
     TRACE_SERIALIZE (this);
     /* serialize the opcode */
-    HBUINT8 *p = c->allocate_size<HBUINT8> (OpCode_Size (op));
+    HBUINT8 *p = c->allocate_size<HBUINT8> (OpCode_Size (op), false);
     if (unlikely (!p)) return_trace (false);
     if (Is_OpCode_ESC (op))
     {
@@ -471,9 +362,8 @@ struct FDSelect0 {
     TRACE_SANITIZE (this);
     if (unlikely (!(c->check_struct (this))))
       return_trace (false);
-    for (unsigned int i = 0; i < c->get_num_glyphs (); i++)
-      if (unlikely (!fds[i].sanitize (c)))
-	return_trace (false);
+    if (unlikely (!c->check_array (fds, c->get_num_glyphs ())))
+      return_trace (false);
 
     return_trace (true);
   }
@@ -527,14 +417,20 @@ struct FDSelect3_4
     return_trace (true);
   }
 
-  hb_codepoint_t get_fd (hb_codepoint_t glyph) const
+  static int _cmp_range (const void *_key, const void *_item)
   {
-    unsigned int i;
-    for (i = 1; i < nRanges (); i++)
-      if (glyph < ranges[i].first)
-	break;
+    hb_codepoint_t glyph = * (hb_codepoint_t *) _key;
+    FDSelect3_4_Range<GID_TYPE, FD_TYPE> *range = (FDSelect3_4_Range<GID_TYPE, FD_TYPE> *) _item;
+
+    if (glyph < range[0].first) return -1;
+    if (glyph < range[1].first) return 0;
+    return +1;
+  }
 
-    return (hb_codepoint_t) ranges[i - 1].fd;
+  hb_codepoint_t get_fd (hb_codepoint_t glyph) const
+  {
+    auto *range = hb_bsearch (glyph, &ranges[0], nRanges () - 1, sizeof (ranges[0]), _cmp_range);
+    return range ? range->fd : ranges[nRanges () - 1].fd;
   }
 
   GID_TYPE        &nRanges ()       { return ranges.len; }
@@ -557,9 +453,9 @@ struct FDSelect
   {
     TRACE_SERIALIZE (this);
     unsigned int size = src.get_size (num_glyphs);
-    FDSelect *dest = c->allocate_size<FDSelect> (size);
+    FDSelect *dest = c->allocate_size<FDSelect> (size, false);
     if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, &src, size);
+    hb_memcpy (dest, &src, size);
     return_trace (true);
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc
index df4554ac00..bd9fe5d6d4 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc
@@ -311,10 +311,8 @@ struct bounds_t
 
 struct cff1_extents_param_t
 {
-  void init (const OT::cff1::accelerator_t *_cff)
+  cff1_extents_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff)
   {
-    path_open = false;
-    cff = _cff;
     bounds.init ();
   }
 
@@ -322,7 +320,7 @@ struct cff1_extents_param_t
   void end_path     ()       { path_open = false; }
   bool is_path_open () const { return path_open; }
 
-  bool path_open;
+  bool path_open = false;
   bounds_t bounds;
 
   const OT::cff1::accelerator_t *cff;
@@ -395,12 +393,11 @@ bool _get_bounds (const OT::cff1::accelerator_t *cff, hb_codepoint_t glyph, boun
   if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false;
 
   unsigned int fd = cff->fdSelect->get_fd (glyph);
-  cff1_cs_interpreter_t<cff1_cs_opset_extents_t, cff1_extents_param_t> interp;
-  const byte_str_t str = (*cff->charStrings)[glyph];
-  interp.env.init (str, *cff, fd);
-  interp.env.set_in_seac (in_seac);
-  cff1_extents_param_t  param;
-  param.init (cff);
+  const hb_ubytes_t str = (*cff->charStrings)[glyph];
+  cff1_cs_interp_env_t env (str, *cff, fd);
+  env.set_in_seac (in_seac);
+  cff1_cs_interpreter_t<cff1_cs_opset_extents_t, cff1_extents_param_t> interp (env);
+  cff1_extents_param_t param (cff);
   if (unlikely (!interp.interpret (param))) return false;
   bounds = param.bounds;
   return true;
@@ -541,10 +538,10 @@ bool _get_path (const OT::cff1::accelerator_t *cff, hb_font_t *font, hb_codepoin
   if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false;
 
   unsigned int fd = cff->fdSelect->get_fd (glyph);
-  cff1_cs_interpreter_t<cff1_cs_opset_path_t, cff1_path_param_t> interp;
-  const byte_str_t str = (*cff->charStrings)[glyph];
-  interp.env.init (str, *cff, fd);
-  interp.env.set_in_seac (in_seac);
+  const hb_ubytes_t str = (*cff->charStrings)[glyph];
+  cff1_cs_interp_env_t env (str, *cff, fd);
+  env.set_in_seac (in_seac);
+  cff1_cs_interpreter_t<cff1_cs_opset_path_t, cff1_path_param_t> interp (env);
   cff1_path_param_t param (cff, font, draw_session, delta);
   if (unlikely (!interp.interpret (param))) return false;
 
@@ -566,18 +563,13 @@ bool OT::cff1::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, h
 
 struct get_seac_param_t
 {
-  void init (const OT::cff1::accelerator_t *_cff)
-  {
-    cff = _cff;
-    base = 0;
-    accent = 0;
-  }
+  get_seac_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff) {}
 
   bool has_seac () const { return base && accent; }
 
   const OT::cff1::accelerator_t *cff;
-  hb_codepoint_t  base;
-  hb_codepoint_t  accent;
+  hb_codepoint_t  base = 0;
+  hb_codepoint_t  accent = 0;
 };
 
 struct cff1_cs_opset_seac_t : cff1_cs_opset_t<cff1_cs_opset_seac_t, get_seac_param_t>
@@ -598,11 +590,10 @@ bool OT::cff1::accelerator_t::get_seac_components (hb_codepoint_t glyph, hb_code
   if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;
 
   unsigned int fd = fdSelect->get_fd (glyph);
-  cff1_cs_interpreter_t<cff1_cs_opset_seac_t, get_seac_param_t> interp;
-  const byte_str_t str = (*charStrings)[glyph];
-  interp.env.init (str, *this, fd);
-  get_seac_param_t  param;
-  param.init (this);
+  const hb_ubytes_t str = (*charStrings)[glyph];
+  cff1_cs_interp_env_t env (str, *this, fd);
+  cff1_cs_interpreter_t<cff1_cs_opset_seac_t, get_seac_param_t> interp (env);
+  get_seac_param_t  param (this);
   if (unlikely (!interp.interpret (param))) return false;
 
   if (param.has_seac ())
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh
index 542e3f4de3..bb856c9ddb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh
@@ -175,7 +175,7 @@ struct Encoding
     unsigned int size = src.get_size ();
     Encoding *dest = c->allocate_size<Encoding> (size);
     if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, &src, size);
+    hb_memcpy (dest, &src, size);
     return_trace (true);
   }
 
@@ -318,14 +318,21 @@ struct Charset0 {
     return_trace (c->check_struct (this) && sids[num_glyphs - 1].sanitize (c));
   }
 
-  hb_codepoint_t get_sid (hb_codepoint_t glyph) const
+  hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const
   {
+    if (unlikely (glyph >= num_glyphs)) return 0;
     if (glyph == 0)
       return 0;
     else
       return sids[glyph - 1];
   }
 
+  void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
+  {
+    for (hb_codepoint_t gid = 1; gid < num_glyphs; gid++)
+      mapping->set (gid, sids[gid - 1]);
+  }
+
   hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const
   {
     if (sid == 0)
@@ -381,20 +388,38 @@ struct Charset1_2 {
     return_trace (true);
   }
 
-  hb_codepoint_t get_sid (hb_codepoint_t glyph) const
+  hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const
   {
+    if (unlikely (glyph >= num_glyphs)) return 0;
     if (glyph == 0) return 0;
     glyph--;
     for (unsigned int i = 0;; i++)
     {
       if (glyph <= ranges[i].nLeft)
-	return (hb_codepoint_t)ranges[i].first + glyph;
+	return (hb_codepoint_t) ranges[i].first + glyph;
       glyph -= (ranges[i].nLeft + 1);
     }
 
     return 0;
   }
 
+  void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
+  {
+    hb_codepoint_t gid = 1;
+    if (gid >= num_glyphs)
+      return;
+    for (unsigned i = 0;; i++)
+    {
+      hb_codepoint_t sid = ranges[i].first;
+      unsigned count = ranges[i].nLeft + 1;
+      for (unsigned j = 0; j < count; j++)
+	mapping->set (gid++, sid++);
+
+      if (gid >= num_glyphs)
+        break;
+    }
+  }
+
   hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const
   {
     if (sid == 0) return 0;
@@ -446,7 +471,7 @@ struct Charset
     unsigned int size = src.get_size (num_glyphs);
     Charset *dest = c->allocate_size<Charset> (size);
     if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, &src, size);
+    hb_memcpy (dest, &src, size);
     return_trace (true);
   }
 
@@ -521,16 +546,26 @@ struct Charset
 
   hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned int num_glyphs) const
   {
-    if (unlikely (glyph >= num_glyphs)) return 0;
     switch (format)
     {
-    case 0: return u.format0.get_sid (glyph);
-    case 1: return u.format1.get_sid (glyph);
-    case 2: return u.format2.get_sid (glyph);
+    case 0: return u.format0.get_sid (glyph, num_glyphs);
+    case 1: return u.format1.get_sid (glyph, num_glyphs);
+    case 2: return u.format2.get_sid (glyph, num_glyphs);
     default:return 0;
     }
   }
 
+  void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
+  {
+    switch (format)
+    {
+    case 0: u.format0.collect_glyph_to_sid_map (mapping, num_glyphs); return;
+    case 1: u.format1.collect_glyph_to_sid_map (mapping, num_glyphs); return;
+    case 2: u.format2.collect_glyph_to_sid_map (mapping, num_glyphs); return;
+    default:return;
+    }
+  }
+
   hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const
   {
     switch (format)
@@ -582,7 +617,6 @@ struct CFF1StringIndex : CFF1Index
     }
 
     byte_str_array_t bytesArray;
-    bytesArray.init ();
     if (!bytesArray.resize (sidmap.get_population ()))
       return_trace (false);
     for (unsigned int i = 0; i < strings.count; i++)
@@ -593,7 +627,6 @@ struct CFF1StringIndex : CFF1Index
     }
 
     bool result = CFF1Index::serialize (c, bytesArray);
-    bytesArray.fini ();
     return_trace (result);
   }
 };
@@ -602,6 +635,8 @@ struct cff1_top_dict_interp_env_t : num_interp_env_t
 {
   cff1_top_dict_interp_env_t ()
     : num_interp_env_t(), prev_offset(0), last_offset(0) {}
+  cff1_top_dict_interp_env_t (const hb_ubytes_t &bytes)
+    : num_interp_env_t(bytes), prev_offset(0), last_offset(0) {}
 
   unsigned int prev_offset;
   unsigned int last_offset;
@@ -776,7 +811,7 @@ struct cff1_top_dict_opset_t : top_dict_opset_t<cff1_top_dict_val_t>
 	break;
 
       default:
-	env.last_offset = env.str_ref.offset;
+	env.last_offset = env.str_ref.get_offset ();
 	top_dict_opset_t<cff1_top_dict_val_t>::process_op (op, env, dictval);
 	/* Record this operand below if stack is empty, otherwise done */
 	if (!env.argStack.is_empty ()) return;
@@ -1024,11 +1059,10 @@ struct cff1
       { fini (); return; }
 
       { /* parse top dict */
-	const byte_str_t topDictStr = (*topDictIndex)[0];
+	const hb_ubytes_t topDictStr = (*topDictIndex)[0];
 	if (unlikely (!topDictStr.sanitize (&sc))) { fini (); return; }
-	cff1_top_dict_interpreter_t top_interp;
-	top_interp.env.init (topDictStr);
-	topDict.init ();
+	cff1_top_dict_interp_env_t env (topDictStr);
+	cff1_top_dict_interpreter_t top_interp (env);
 	if (unlikely (!top_interp.interpret (topDict))) { fini (); return; }
       }
 
@@ -1098,20 +1132,21 @@ struct cff1
       {
 	for (unsigned int i = 0; i < fdCount; i++)
 	{
-	  byte_str_t fontDictStr = (*fdArray)[i];
+	  hb_ubytes_t fontDictStr = (*fdArray)[i];
 	  if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; }
 	  cff1_font_dict_values_t *font;
-	  cff1_font_dict_interpreter_t font_interp;
-	  font_interp.env.init (fontDictStr);
+	  cff1_top_dict_interp_env_t env (fontDictStr);
+	  cff1_font_dict_interpreter_t font_interp (env);
 	  font = fontDicts.push ();
-	  if (unlikely (font == &Crap (cff1_font_dict_values_t))) { fini (); return; }
+	  if (unlikely (fontDicts.in_error ())) { fini (); return; }
+
 	  font->init ();
 	  if (unlikely (!font_interp.interpret (*font))) { fini (); return; }
 	  PRIVDICTVAL *priv = &privateDicts[i];
-	  const byte_str_t privDictStr (StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset), font->privateDictInfo.size);
+	  const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size);
 	  if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
-	  dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp;
-	  priv_interp.env.init (privDictStr);
+	  num_interp_env_t env2 (privDictStr);
+	  dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2);
 	  priv->init ();
 	  if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
 
@@ -1126,10 +1161,10 @@ struct cff1
 	cff1_top_dict_values_t *font = &topDict;
 	PRIVDICTVAL *priv = &privateDicts[0];
 
-	const byte_str_t privDictStr (StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset), font->privateDictInfo.size);
+	const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size);
 	if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
-	dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp;
-	priv_interp.env.init (privDictStr);
+	num_interp_env_t env (privDictStr);
+	dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env);
 	priv->init ();
 	if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
 
@@ -1194,6 +1229,19 @@ struct cff1
       }
     }
 
+    hb_map_t *create_glyph_to_sid_map () const
+    {
+      if (charset != &Null (Charset))
+      {
+	hb_map_t *mapping = hb_map_create ();
+	mapping->set (0, 0);
+	charset->collect_glyph_to_sid_map (mapping, num_glyphs);
+	return mapping;
+      }
+      else
+	return nullptr;
+    }
+
     hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph) const
     {
       if (charset != &Null (Charset))
@@ -1245,10 +1293,10 @@ struct cff1
     }
 
     protected:
-    hb_blob_t	           *blob = nullptr;
     hb_sanitize_context_t   sc;
 
     public:
+    hb_blob_t               *blob = nullptr;
     const Encoding	    *encoding = nullptr;
     const Charset	    *charset = nullptr;
     const CFF1NameIndex     *nameIndex = nullptr;
@@ -1274,30 +1322,20 @@ struct cff1
     {
       SUPER::init (face);
 
+      glyph_names.set_relaxed (nullptr);
+
       if (!is_valid ()) return;
       if (is_CID ()) return;
 
-      /* fill glyph_names */
-      for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++)
-      {
-	hb_codepoint_t	sid = glyph_to_sid (gid);
-	gname_t	gname;
-	gname.sid = sid;
-	if (sid < cff1_std_strings_length)
-	  gname.name = cff1_std_strings (sid);
-	else
-	{
-	  byte_str_t	ustr = (*stringIndex)[sid - cff1_std_strings_length];
-	  gname.name = hb_bytes_t ((const char*)ustr.arrayZ, ustr.length);
-	}
-	if (unlikely (!gname.name.arrayZ)) { fini (); return; }
-	glyph_names.push (gname);
-      }
-      glyph_names.qsort ();
     }
     ~accelerator_t ()
     {
-      glyph_names.fini ();
+      hb_sorted_vector_t<gname_t> *names = glyph_names.get_relaxed ();
+      if (names)
+      {
+	names->fini ();
+	hb_free (names);
+      }
 
       SUPER::fini ();
     }
@@ -1305,9 +1343,9 @@ struct cff1
     bool get_glyph_name (hb_codepoint_t glyph,
 			 char *buf, unsigned int buf_len) const
     {
-      if (!buf) return true;
       if (unlikely (!is_valid ())) return false;
       if (is_CID()) return false;
+      if (unlikely (!buf_len)) return true;
       hb_codepoint_t sid = glyph_to_sid (glyph);
       const char *str;
       size_t str_len;
@@ -1319,7 +1357,7 @@ struct cff1
       }
       else
       {
-	byte_str_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length];
+	hb_ubytes_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length];
 	str = (const char *)ubyte_str.arrayZ;
 	str_len = ubyte_str.length;
       }
@@ -1333,11 +1371,53 @@ struct cff1
     bool get_glyph_from_name (const char *name, int len,
 			      hb_codepoint_t *glyph) const
     {
+      if (unlikely (!is_valid ())) return false;
+      if (is_CID()) return false;
       if (len < 0) len = strlen (name);
       if (unlikely (!len)) return false;
 
+    retry:
+      hb_sorted_vector_t<gname_t> *names = glyph_names.get_acquire ();
+      if (unlikely (!names))
+      {
+	names = (hb_sorted_vector_t<gname_t> *) hb_calloc (sizeof (hb_sorted_vector_t<gname_t>), 1);
+	if (likely (names))
+	{
+	  names->init ();
+	  /* TODO */
+
+	  /* fill glyph names */
+	  for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++)
+	  {
+	    hb_codepoint_t	sid = glyph_to_sid (gid);
+	    gname_t	gname;
+	    gname.sid = sid;
+	    if (sid < cff1_std_strings_length)
+	      gname.name = cff1_std_strings (sid);
+	    else
+	    {
+	      hb_ubytes_t	ustr = (*stringIndex)[sid - cff1_std_strings_length];
+	      gname.name = hb_bytes_t ((const char*) ustr.arrayZ, ustr.length);
+	    }
+	    if (unlikely (!gname.name.arrayZ))
+	      gname.name = hb_bytes_t ("", 0); /* To avoid nullptr. */
+	    names->push (gname);
+	  }
+	  names->qsort ();
+	}
+	if (unlikely (!glyph_names.cmpexch (nullptr, names)))
+	{
+	  if (names)
+	  {
+	    names->fini ();
+	    hb_free (names);
+	  }
+	  goto retry;
+	}
+      }
+
       gname_t key = { hb_bytes_t (name, len), 0 };
-      const gname_t *gname = glyph_names.bsearch (key);
+      const gname_t *gname = names ? names->bsearch (key) : nullptr;
       if (!gname) return false;
       hb_codepoint_t gid = sid_to_glyph (gname->sid);
       if (!gid && gname->sid) return false;
@@ -1359,7 +1439,7 @@ struct cff1
       {
 	const gname_t *a = (const gname_t *)a_;
 	const gname_t *b = (const gname_t *)b_;
-	int minlen = hb_min (a->name.length, b->name.length);
+	unsigned minlen = hb_min (a->name.length, b->name.length);
 	int ret = strncmp (a->name.arrayZ, b->name.arrayZ, minlen);
 	if (ret) return ret;
 	return a->name.length - b->name.length;
@@ -1368,7 +1448,7 @@ struct cff1
       int cmp (const gname_t &a) const { return cmp (&a, this); }
     };
 
-    hb_sorted_vector_t<gname_t>	glyph_names;
+    mutable hb_atomic_ptr_t<hb_sorted_vector_t<gname_t>> glyph_names;
 
     typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER;
   };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc
index 817fe064ce..50c76daf93 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc
@@ -36,9 +36,8 @@ using namespace CFF;
 
 struct cff2_extents_param_t
 {
-  void init ()
+  cff2_extents_param_t ()
   {
-    path_open = false;
     min_x.set_int (INT_MAX);
     min_y.set_int (INT_MAX);
     max_x.set_int (INT_MIN);
@@ -57,22 +56,22 @@ struct cff2_extents_param_t
     if (pt.y > max_y) max_y = pt.y;
   }
 
-  bool  path_open;
+  bool  path_open = false;
   number_t min_x;
   number_t min_y;
   number_t max_x;
   number_t max_y;
 };
 
-struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_cs_interp_env_t, cff2_extents_param_t>
+struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_cs_interp_env_t<number_t>, cff2_extents_param_t>
 {
-  static void moveto (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt)
+  static void moveto (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt)
   {
     param.end_path ();
     env.moveto (pt);
   }
 
-  static void line (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1)
+  static void line (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt1)
   {
     if (!param.is_path_open ())
     {
@@ -83,7 +82,7 @@ struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_
     param.update_bounds (env.get_pt ());
   }
 
-  static void curve (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
+  static void curve (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
   {
     if (!param.is_path_open ())
     {
@@ -98,7 +97,7 @@ struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_
   }
 };
 
-struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_extents_param_t, cff2_path_procs_extents_t> {};
+struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t, cff2_path_procs_extents_t> {};
 
 bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
 					   hb_codepoint_t glyph,
@@ -112,11 +111,10 @@ bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
   if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;
 
   unsigned int fd = fdSelect->get_fd (glyph);
-  cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t> interp;
-  const byte_str_t str = (*charStrings)[glyph];
-  interp.env.init (str, *this, fd, font->coords, font->num_coords);
+  const hb_ubytes_t str = (*charStrings)[glyph];
+  cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords);
+  cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t> interp (env);
   cff2_extents_param_t  param;
-  param.init ();
   if (unlikely (!interp.interpret (param))) return false;
 
   if (param.min_x >= param.max_x)
@@ -169,28 +167,28 @@ struct cff2_path_param_t
   hb_font_t *font;
 };
 
-struct cff2_path_procs_path_t : path_procs_t<cff2_path_procs_path_t, cff2_cs_interp_env_t, cff2_path_param_t>
+struct cff2_path_procs_path_t : path_procs_t<cff2_path_procs_path_t, cff2_cs_interp_env_t<number_t>, cff2_path_param_t>
 {
-  static void moveto (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt)
+  static void moveto (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt)
   {
     param.move_to (pt);
     env.moveto (pt);
   }
 
-  static void line (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1)
+  static void line (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt1)
   {
     param.line_to (pt1);
     env.moveto (pt1);
   }
 
-  static void curve (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
+  static void curve (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
   {
     param.cubic_to (pt1, pt2, pt3);
     env.moveto (pt3);
   }
 };
 
-struct cff2_cs_opset_path_t : cff2_cs_opset_t<cff2_cs_opset_path_t, cff2_path_param_t, cff2_path_procs_path_t> {};
+struct cff2_cs_opset_path_t : cff2_cs_opset_t<cff2_cs_opset_path_t, cff2_path_param_t, number_t, cff2_path_procs_path_t> {};
 
 bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const
 {
@@ -202,9 +200,9 @@ bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, h
   if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;
 
   unsigned int fd = fdSelect->get_fd (glyph);
-  cff2_cs_interpreter_t<cff2_cs_opset_path_t, cff2_path_param_t> interp;
-  const byte_str_t str = (*charStrings)[glyph];
-  interp.env.init (str, *this, fd, font->coords, font->num_coords);
+  const hb_ubytes_t str = (*charStrings)[glyph];
+  cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords);
+  cff2_cs_interpreter_t<cff2_cs_opset_path_t, cff2_path_param_t, number_t> interp (env);
   cff2_path_param_t param (font, draw_session);
   if (unlikely (!interp.interpret (param))) return false;
   return true;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh
index b77e7f53fa..9081930bbe 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh
@@ -56,7 +56,7 @@ struct CFF2FDSelect
     unsigned int size = src.get_size (num_glyphs);
     CFF2FDSelect *dest = c->allocate_size<CFF2FDSelect> (size);
     if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, &src, size);
+    hb_memcpy (dest, &src, size);
     return_trace (true);
   }
 
@@ -124,7 +124,7 @@ struct CFF2VariationStore
     unsigned int size_ = varStore->get_size ();
     CFF2VariationStore *dest = c->allocate_size<CFF2VariationStore> (size_);
     if (unlikely (!dest)) return_trace (false);
-    memcpy (dest, varStore, size_);
+    hb_memcpy (dest, varStore, size_);
     return_trace (true);
   }
 
@@ -247,12 +247,8 @@ typedef cff2_private_dict_values_base_t<num_dict_val_t> cff2_private_dict_values
 
 struct cff2_priv_dict_interp_env_t : num_interp_env_t
 {
-  void init (const byte_str_t &str)
-  {
-    num_interp_env_t::init (str);
-    ivs = 0;
-    seen_vsindex = false;
-  }
+  cff2_priv_dict_interp_env_t (const hb_ubytes_t &str) :
+    num_interp_env_t (str) {}
 
   void process_vsindex ()
   {
@@ -267,8 +263,8 @@ struct cff2_priv_dict_interp_env_t : num_interp_env_t
   void	 set_ivs (unsigned int ivs_) { ivs = ivs_; }
 
   protected:
-  unsigned int  ivs;
-  bool	  seen_vsindex;
+  unsigned int  ivs = 0;
+  bool	  seen_vsindex = false;
 };
 
 struct cff2_private_dict_opset_t : dict_opset_t
@@ -415,10 +411,10 @@ struct cff2
         goto fail;
 
       { /* parse top dict */
-	byte_str_t topDictStr (cff2 + cff2->topDict, cff2->topDictSize);
+	hb_ubytes_t topDictStr = (cff2 + cff2->topDict).as_ubytes (cff2->topDictSize);
 	if (unlikely (!topDictStr.sanitize (&sc))) goto fail;
-	cff2_top_dict_interpreter_t top_interp;
-	top_interp.env.init (topDictStr);
+	num_interp_env_t env (topDictStr);
+	cff2_top_dict_interpreter_t top_interp (env);
 	topDict.init ();
 	if (unlikely (!top_interp.interpret (topDict))) goto fail;
       }
@@ -447,20 +443,20 @@ struct cff2
       /* parse font dicts and gather private dicts */
       for (unsigned int i = 0; i < fdCount; i++)
       {
-	const byte_str_t fontDictStr = (*fdArray)[i];
+	const hb_ubytes_t fontDictStr = (*fdArray)[i];
 	if (unlikely (!fontDictStr.sanitize (&sc))) goto fail;
 	cff2_font_dict_values_t  *font;
-	cff2_font_dict_interpreter_t font_interp;
-	font_interp.env.init (fontDictStr);
+	num_interp_env_t env (fontDictStr);
+	cff2_font_dict_interpreter_t font_interp (env);
 	font = fontDicts.push ();
 	if (unlikely (font == &Crap (cff2_font_dict_values_t))) goto fail;
 	font->init ();
 	if (unlikely (!font_interp.interpret (*font))) goto fail;
 
-	const byte_str_t privDictStr (StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset), font->privateDictInfo.size);
+	const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size);
 	if (unlikely (!privDictStr.sanitize (&sc))) goto fail;
-	dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t>  priv_interp;
-	priv_interp.env.init(privDictStr);
+	cff2_priv_dict_interp_env_t env2 (privDictStr);
+	dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp (env2);
 	privateDicts[i].init ();
 	if (unlikely (!priv_interp.interpret (privateDicts[i]))) goto fail;
 
@@ -487,13 +483,18 @@ struct cff2
       blob = nullptr;
     }
 
+    hb_map_t *create_glyph_to_sid_map () const
+    {
+      return nullptr;
+    }
+
     bool is_valid () const { return blob; }
 
     protected:
-    hb_blob_t			*blob = nullptr;
     hb_sanitize_context_t	sc;
 
     public:
+    hb_blob_t			*blob = nullptr;
     cff2_top_dict_values_t	topDict;
     const CFF2Subrs		*globalSubrs = nullptr;
     const CFF2VariationStore	*varStore = nullptr;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh
index a8747ee5a1..523196fa79 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh
@@ -27,6 +27,8 @@
 #ifndef HB_OT_CMAP_TABLE_HH
 #define HB_OT_CMAP_TABLE_HH
 
+#include "hb-ot-os2-table.hh"
+#include "hb-ot-shaper-arabic-pua.hh"
 #include "hb-open-type.hh"
 #include "hb-set.hh"
 
@@ -44,7 +46,7 @@ struct CmapSubtableFormat0
   bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const
   {
     hb_codepoint_t gid = codepoint < 256 ? glyphIdArray[codepoint] : 0;
-    if (!gid)
+    if (unlikely (!gid))
       return false;
     *glyph = gid;
     return true;
@@ -109,22 +111,26 @@ struct CmapSubtableFormat4
 
     while (it) {
       // Start a new range
-      start_cp = (*it).first;
-      prev_run_start_cp = (*it).first;
-      run_start_cp = (*it).first;
-      end_cp = (*it).first;
-      last_gid = (*it).second;
-      run_length = 1;
-      prev_delta = 0;
-
-      delta = (*it).second - (*it).first;
+      {
+        const auto& pair = *it;
+        start_cp = pair.first;
+        prev_run_start_cp = start_cp;
+        run_start_cp = start_cp;
+        end_cp = start_cp;
+        last_gid = pair.second;
+        run_length = 1;
+        prev_delta = 0;
+      }
+
+      delta = last_gid - start_cp;
       mode = FIRST_SUB_RANGE;
       it++;
 
       while (it) {
         // Process range
-        hb_codepoint_t next_cp = (*it).first;
-        hb_codepoint_t next_gid = (*it).second;
+        const auto& pair = *it;
+        hb_codepoint_t next_cp = pair.first;
+        hb_codepoint_t next_gid = pair.second;
         if (next_cp != end_cp + 1) {
           // Current range is over, stop processing.
           break;
@@ -282,23 +288,22 @@ struct CmapSubtableFormat4
   }
 
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+          hb_requires (hb_is_iterator (Iterator))>
   HBUINT16* serialize_rangeoffset_glyid (hb_serialize_context_t *c,
-					 Iterator it,
+                                         Iterator it,
 					 HBUINT16 *endCode,
 					 HBUINT16 *startCode,
 					 HBINT16 *idDelta,
 					 unsigned segcount)
   {
-    hb_hashmap_t<hb_codepoint_t, hb_codepoint_t> cp_to_gid;
-    + it | hb_sink (cp_to_gid);
+    hb_map_t cp_to_gid { it };
 
     HBUINT16 *idRangeOffset = c->allocate_size<HBUINT16> (HBUINT16::static_size * segcount);
     if (unlikely (!c->check_success (idRangeOffset))) return nullptr;
     if (unlikely ((char *)idRangeOffset - (char *)idDelta != (int) segcount * (int) HBINT16::static_size)) return nullptr;
 
     for (unsigned i : + hb_range (segcount)
-             | hb_filter ([&] (const unsigned _) { return idDelta[_] == 0; }))
+		      | hb_filter ([&] (const unsigned _) { return idDelta[_] == 0; }))
     {
       idRangeOffset[i] = 2 * (c->start_embed<HBUINT16> () - idRangeOffset - i);
       for (hb_codepoint_t cp = startCode[i]; cp <= endCode[i]; cp++)
@@ -323,22 +328,31 @@ struct CmapSubtableFormat4
 		 { return _.first <= 0xFFFF; })
     ;
 
-    if (format4_iter.len () == 0) return;
+    if (!format4_iter) return;
 
     unsigned table_initpos = c->length ();
     if (unlikely (!c->extend_min (this))) return;
     this->format = 4;
 
+    hb_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> cp_to_gid {
+      format4_iter
+    };
+
     //serialize endCode[], startCode[], idDelta[]
     HBUINT16* endCode = c->start_embed<HBUINT16> ();
-    unsigned segcount = serialize_find_segcount (format4_iter);
-    if (unlikely (!serialize_start_end_delta_arrays (c, format4_iter, segcount)))
+    unsigned segcount = serialize_find_segcount (cp_to_gid.iter());
+    if (unlikely (!serialize_start_end_delta_arrays (c, cp_to_gid.iter(), segcount)))
       return;
 
     HBUINT16 *startCode = endCode + segcount + 1;
     HBINT16 *idDelta = ((HBINT16*)startCode) + segcount;
 
-    HBUINT16 *idRangeOffset = serialize_rangeoffset_glyid (c, format4_iter, endCode, startCode, idDelta, segcount);
+    HBUINT16 *idRangeOffset = serialize_rangeoffset_glyid (c,
+                                                           cp_to_gid.iter (),
+                                                           endCode,
+                                                           startCode,
+                                                           idDelta,
+                                                           segcount);
     if (unlikely (!c->check_success (idRangeOffset))) return;
 
     this->length = c->length () - table_initpos;
@@ -401,7 +415,7 @@ struct CmapSubtableFormat4
 					  2,
 					  _hb_cmp_method<hb_codepoint_t, CustomRange, unsigned>,
 					  this->segCount + 1);
-      if (!found)
+      if (unlikely (!found))
 	return false;
       unsigned int i = found - endCount;
 
@@ -421,7 +435,7 @@ struct CmapSubtableFormat4
 	gid += this->idDelta[i];
       }
       gid &= 0xFFFFu;
-      if (!gid)
+      if (unlikely (!gid))
 	return false;
       *glyph = gid;
       return true;
@@ -440,14 +454,14 @@ struct CmapSubtableFormat4
 	hb_codepoint_t start = this->startCount[i];
 	hb_codepoint_t end = this->endCount[i];
 	unsigned int rangeOffset = this->idRangeOffset[i];
+        out->add_range(start, end);
 	if (rangeOffset == 0)
 	{
 	  for (hb_codepoint_t codepoint = start; codepoint <= end; codepoint++)
 	  {
 	    hb_codepoint_t gid = (codepoint + this->idDelta[i]) & 0xFFFFu;
 	    if (unlikely (!gid))
-	      continue;
-	    out->add (codepoint);
+              out->del(codepoint);
 	  }
 	}
 	else
@@ -456,11 +470,13 @@ struct CmapSubtableFormat4
 	  {
 	    unsigned int index = rangeOffset / 2 + (codepoint - this->startCount[i]) + i - this->segCount;
 	    if (unlikely (index >= this->glyphIdArrayLength))
+            {
+              out->del_range (codepoint, end);
 	      break;
+            }
 	    hb_codepoint_t gid = this->glyphIdArray[index];
 	    if (unlikely (!gid))
-	      continue;
-	    out->add (codepoint);
+              out->del(codepoint);
 	  }
 	}
       }
@@ -469,6 +485,8 @@ struct CmapSubtableFormat4
     void collect_mapping (hb_set_t *unicodes, /* OUT */
 			  hb_map_t *mapping /* OUT */) const
     {
+      // TODO(grieger): optimize similar to collect_unicodes
+      // (ie. use add_range())
       unsigned count = this->segCount;
       if (count && this->startCount[count - 1] == 0xFFFFu)
 	count--; /* Skip sentinel segment. */
@@ -620,7 +638,7 @@ struct CmapSubtableTrimmed
   {
     /* Rely on our implicit array bound-checking. */
     hb_codepoint_t gid = glyphIdArray[codepoint - startCharCode];
-    if (!gid)
+    if (unlikely (!gid))
       return false;
     *glyph = gid;
     return true;
@@ -674,7 +692,7 @@ struct CmapSubtableTrimmed
 };
 
 struct CmapSubtableFormat6  : CmapSubtableTrimmed<HBUINT16> {};
-struct CmapSubtableFormat10 : CmapSubtableTrimmed<HBUINT32 > {};
+struct CmapSubtableFormat10 : CmapSubtableTrimmed<HBUINT32> {};
 
 template <typename T>
 struct CmapSubtableLongSegmented
@@ -684,7 +702,7 @@ struct CmapSubtableLongSegmented
   bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const
   {
     hb_codepoint_t gid = T::group_get_glyph (groups.bsearch (codepoint), codepoint);
-    if (!gid)
+    if (unlikely (!gid))
       return false;
     *glyph = gid;
     return true;
@@ -722,11 +740,19 @@ struct CmapSubtableLongSegmented
 			hb_map_t *mapping, /* OUT */
 			unsigned num_glyphs) const
   {
+    hb_codepoint_t last_end = 0;
     for (unsigned i = 0; i < this->groups.len; i++)
     {
       hb_codepoint_t start = this->groups[i].startCharCode;
       hb_codepoint_t end = hb_min ((hb_codepoint_t) this->groups[i].endCharCode,
 				   (hb_codepoint_t) HB_UNICODE_MAX);
+      if (unlikely (start > end || start < last_end)) {
+        // Range is not in order and is invalid, skip it.
+        continue;
+      }
+      last_end = end;
+
+
       hb_codepoint_t gid = this->groups[i].glyphID;
       if (!gid)
       {
@@ -778,16 +804,16 @@ struct CmapSubtableFormat12 : CmapSubtableLongSegmented<CmapSubtableFormat12>
   void serialize (hb_serialize_context_t *c,
 		  Iterator it)
   {
-    if (it.len () == 0) return;
+    if (!it) return;
     unsigned table_initpos = c->length ();
     if (unlikely (!c->extend_min (this))) return;
 
-    hb_codepoint_t startCharCode = 0xFFFF, endCharCode = 0xFFFF;
+    hb_codepoint_t startCharCode = (hb_codepoint_t) -1, endCharCode = (hb_codepoint_t) -1;
     hb_codepoint_t glyphID = 0;
 
     for (const auto& _ : +it)
     {
-      if (startCharCode == 0xFFFF)
+      if (startCharCode == (hb_codepoint_t) -1)
       {
 	startCharCode = _.first;
 	endCharCode = _.first;
@@ -818,7 +844,7 @@ struct CmapSubtableFormat12 : CmapSubtableLongSegmented<CmapSubtableFormat12>
     this->format = 12;
     this->reserved = 0;
     this->length = c->length () - table_initpos;
-    this->groups.len = (this->length - min_size)/CmapSubtableLongGroup::static_size;
+    this->groups.len = (this->length - min_size) / CmapSubtableLongGroup::static_size;
   }
 
   static size_t get_sub_table_size (const hb_sorted_vector_t<CmapSubtableLongGroup> &groups_data)
@@ -883,7 +909,7 @@ struct DefaultUVS : SortedArray32Of<UnicodeValueRange>
       hb_codepoint_t first = arrayZ[i].startUnicodeValue;
       hb_codepoint_t last = hb_min ((hb_codepoint_t) (first + arrayZ[i].additionalCount),
 				    (hb_codepoint_t) HB_UNICODE_MAX);
-      out->add_range (first, hb_min (last, 0x10FFFFu));
+      out->add_range (first, last);
     }
   }
 
@@ -899,37 +925,75 @@ struct DefaultUVS : SortedArray32Of<UnicodeValueRange>
     if (unlikely (!c->copy<HBUINT32> (len))) return nullptr;
     unsigned init_len = c->length ();
 
-    hb_codepoint_t lastCode = HB_MAP_VALUE_INVALID;
-    int count = -1;
-
-    for (const UnicodeValueRange& _ : as_array ())
+    if (this->len > unicodes->get_population () * hb_bit_storage ((unsigned) this->len))
     {
-      for (const unsigned addcnt : hb_range ((unsigned) _.additionalCount + 1))
+      hb_codepoint_t start = HB_SET_VALUE_INVALID;
+      hb_codepoint_t end = HB_SET_VALUE_INVALID;
+
+      for (hb_codepoint_t u = HB_SET_VALUE_INVALID;
+	   unicodes->next (&u);)
       {
-	unsigned curEntry = (unsigned) _.startUnicodeValue + addcnt;
-	if (!unicodes->has (curEntry)) continue;
-	count += 1;
-	if (lastCode == HB_MAP_VALUE_INVALID)
-	  lastCode = curEntry;
-	else if (lastCode + count != curEntry)
+        if (!as_array ().bsearch (u))
+	  continue;
+	if (start == HB_SET_VALUE_INVALID)
 	{
+	  start = u;
+	  end = start - 1;
+	}
+	if (end + 1 != u || end - start == 255)
+        {
 	  UnicodeValueRange rec;
-	  rec.startUnicodeValue = lastCode;
-	  rec.additionalCount = count - 1;
+	  rec.startUnicodeValue = start;
+	  rec.additionalCount = end - start;
 	  c->copy<UnicodeValueRange> (rec);
-
-	  lastCode = curEntry;
-	  count = 0;
+	  start = u;
 	}
+	end = u;
+      }
+      if (start != HB_SET_VALUE_INVALID)
+      {
+	UnicodeValueRange rec;
+	rec.startUnicodeValue = start;
+	rec.additionalCount = end - start;
+	c->copy<UnicodeValueRange> (rec);
       }
-    }
 
-    if (lastCode != HB_MAP_VALUE_INVALID)
+    }
+    else
     {
-      UnicodeValueRange rec;
-      rec.startUnicodeValue = lastCode;
-      rec.additionalCount = count;
-      c->copy<UnicodeValueRange> (rec);
+      hb_codepoint_t lastCode = HB_SET_VALUE_INVALID;
+      int count = -1;
+
+      for (const UnicodeValueRange& _ : *this)
+      {
+	hb_codepoint_t curEntry = (hb_codepoint_t) (_.startUnicodeValue - 1);
+	hb_codepoint_t end = curEntry + _.additionalCount + 2;
+
+	for (; unicodes->next (&curEntry) && curEntry < end;)
+	{
+	  count += 1;
+	  if (lastCode == HB_SET_VALUE_INVALID)
+	    lastCode = curEntry;
+	  else if (lastCode + count != curEntry)
+	  {
+	    UnicodeValueRange rec;
+	    rec.startUnicodeValue = lastCode;
+	    rec.additionalCount = count - 1;
+	    c->copy<UnicodeValueRange> (rec);
+
+	    lastCode = curEntry;
+	    count = 0;
+	  }
+	}
+      }
+
+      if (lastCode != HB_MAP_VALUE_INVALID)
+      {
+	UnicodeValueRange rec;
+	rec.startUnicodeValue = lastCode;
+	rec.additionalCount = count;
+	c->copy<UnicodeValueRange> (rec);
+      }
     }
 
     if (c->length () - init_len == 0)
@@ -1448,17 +1512,127 @@ struct EncodingRecord
   DEFINE_SIZE_STATIC (8);
 };
 
+struct cmap;
+
+struct SubtableUnicodesCache {
+
+ private:
+  hb_blob_ptr_t<cmap> base_blob;
+  const char* base;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> cached_unicodes;
+
+ public:
+
+  static SubtableUnicodesCache* create (hb_blob_ptr_t<cmap> source_table)
+  {
+    SubtableUnicodesCache* cache =
+        (SubtableUnicodesCache*) hb_malloc (sizeof(SubtableUnicodesCache));
+    new (cache) SubtableUnicodesCache (source_table);
+    return cache;
+  }
+
+  static void destroy (void* value) {
+    if (!value) return;
+
+    SubtableUnicodesCache* cache = (SubtableUnicodesCache*) value;
+    cache->~SubtableUnicodesCache ();
+    hb_free (cache);
+  }
+
+  SubtableUnicodesCache(const void* cmap_base)
+      : base_blob(),
+        base ((const char*) cmap_base),
+        cached_unicodes ()
+  {}
+
+  SubtableUnicodesCache(hb_blob_ptr_t<cmap> base_blob_)
+      : base_blob(base_blob_),
+        base ((const char *) base_blob.get()),
+        cached_unicodes ()
+  {}
+
+  ~SubtableUnicodesCache()
+  {
+    base_blob.destroy ();
+  }
+
+  bool same_base(const void* other) const
+  {
+    return other == (const void*) base;
+  }
+
+  const hb_set_t* set_for (const EncodingRecord* record,
+                           SubtableUnicodesCache& mutable_cache) const
+  {
+    if (cached_unicodes.has ((unsigned) ((const char *) record - base)))
+      return cached_unicodes.get ((unsigned) ((const char *) record - base));
+
+    return mutable_cache.set_for (record);
+  }
+
+  const hb_set_t* set_for (const EncodingRecord* record)
+  {
+    if (!cached_unicodes.has ((unsigned) ((const char *) record - base)))
+    {
+      hb_set_t *s = hb_set_create ();
+      if (unlikely (s->in_error ()))
+	return hb_set_get_empty ();
+
+      (base+record->subtable).collect_unicodes (s);
+
+      if (unlikely (!cached_unicodes.set ((unsigned) ((const char *) record - base), hb::unique_ptr<hb_set_t> {s})))
+        return hb_set_get_empty ();
+
+      return s;
+    }
+    return cached_unicodes.get ((unsigned) ((const char *) record - base));
+  }
+
+};
+
+static inline uint_fast16_t
+_hb_symbol_pua_map (unsigned codepoint)
+{
+  if (codepoint <= 0x00FFu)
+  {
+    /* For symbol-encoded OpenType fonts, we duplicate the
+     * U+F000..F0FF range at U+0000..U+00FF.  That's what
+     * Windows seems to do, and that's hinted about at:
+     * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
+     * under "Non-Standard (Symbol) Fonts". */
+    return 0xF000u + codepoint;
+  }
+  return 0;
+}
+
 struct cmap
 {
   static constexpr hb_tag_t tableTag = HB_OT_TAG_cmap;
 
+
+  static SubtableUnicodesCache* create_filled_cache(hb_blob_ptr_t<cmap> source_table) {
+    const cmap* cmap = source_table.get();
+    auto it =
+    + hb_iter (cmap->encodingRecord)
+    | hb_filter ([&](const EncodingRecord& _) {
+      return cmap::filter_encoding_records_for_subset (cmap, _);
+    })
+    ;
+
+    SubtableUnicodesCache* cache = SubtableUnicodesCache::create(source_table);
+    for (const EncodingRecord& _ : it)
+      cache->set_for(&_); // populate the cache for this encoding record.
+
+    return cache;
+  }
+
   template<typename Iterator, typename EncodingRecIter,
 	   hb_requires (hb_is_iterator (EncodingRecIter))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it,
 		  EncodingRecIter encodingrec_iter,
 		  const void *base,
-		  const hb_subset_plan_t *plan,
+		  hb_subset_plan_t *plan,
                   bool drop_format_4 = false)
   {
     if (unlikely (!c->extend_min ((*this))))  return false;
@@ -1467,6 +1641,14 @@ struct cmap
     unsigned format4objidx = 0, format12objidx = 0, format14objidx = 0;
     auto snap = c->snapshot ();
 
+    SubtableUnicodesCache local_unicodes_cache (base);
+    const SubtableUnicodesCache* unicodes_cache = &local_unicodes_cache;
+
+    if (plan->accelerator &&
+        plan->accelerator->cmap_cache &&
+        plan->accelerator->cmap_cache->same_base (base))
+      unicodes_cache = plan->accelerator->cmap_cache;
+
     for (const EncodingRecord& _ : encodingrec_iter)
     {
       if (c->in_error ())
@@ -1475,12 +1657,11 @@ struct cmap
       unsigned format = (base+_.subtable).u.format;
       if (format != 4 && format != 12 && format != 14) continue;
 
-      hb_set_t unicodes_set;
-      (base+_.subtable).collect_unicodes (&unicodes_set);
+      const hb_set_t* unicodes_set = unicodes_cache->set_for (&_, local_unicodes_cache);
 
       if (!drop_format_4 && format == 4)
       {
-        c->copy (_, + it | hb_filter (unicodes_set, hb_first), 4u, base, plan, &format4objidx);
+        c->copy (_, + it | hb_filter (*unicodes_set, hb_first), 4u, base, plan, &format4objidx);
         if (c->in_error () && c->only_overflow ())
         {
           // cmap4 overflowed, reset and retry serialization without format 4 subtables.
@@ -1495,8 +1676,14 @@ struct cmap
 
       else if (format == 12)
       {
-        if (_can_drop (_, unicodes_set, base, + it | hb_map (hb_first), encodingrec_iter)) continue;
-        c->copy (_, + it | hb_filter (unicodes_set, hb_first), 12u, base, plan, &format12objidx);
+        if (_can_drop (_,
+                       *unicodes_set,
+                       base,
+                       *unicodes_cache,
+                       local_unicodes_cache,
+                       + it | hb_map (hb_first), encodingrec_iter))
+          continue;
+        c->copy (_, + it | hb_filter (*unicodes_set, hb_first), 12u, base, plan, &format12objidx);
       }
       else if (format == 14) c->copy (_, it, 14u, base, plan, &format14objidx);
     }
@@ -1514,6 +1701,8 @@ struct cmap
   bool _can_drop (const EncodingRecord& cmap12,
                   const hb_set_t& cmap12_unicodes,
                   const void* base,
+                  const SubtableUnicodesCache& unicodes_cache,
+                  SubtableUnicodesCache& local_unicodes_cache,
                   Iterator subset_unicodes,
                   EncodingRecordIterator encoding_records)
   {
@@ -1544,11 +1733,10 @@ struct cmap
           || (base+_.subtable).get_language() != target_language)
         continue;
 
-      hb_set_t sibling_unicodes;
-      (base+_.subtable).collect_unicodes (&sibling_unicodes);
+      const hb_set_t* sibling_unicodes = unicodes_cache.set_for (&_, local_unicodes_cache);
 
       auto cmap12 = + subset_unicodes | hb_filter (cmap12_unicodes);
-      auto sibling = + subset_unicodes | hb_filter (sibling_unicodes);
+      auto sibling = + subset_unicodes | hb_filter (*sibling_unicodes);
       for (; cmap12 && sibling; cmap12++, sibling++)
       {
         unsigned a = *cmap12;
@@ -1582,17 +1770,9 @@ struct cmap
 
     auto encodingrec_iter =
     + hb_iter (encodingRecord)
-    | hb_filter ([&] (const EncodingRecord& _)
-		{
-		  if ((_.platformID == 0 && _.encodingID == 3) ||
-		      (_.platformID == 0 && _.encodingID == 4) ||
-		      (_.platformID == 3 && _.encodingID == 1) ||
-		      (_.platformID == 3 && _.encodingID == 10) ||
-		      (this + _.subtable).u.format == 14)
-		    return true;
-
-		  return false;
-		})
+    | hb_filter ([&](const EncodingRecord& _) {
+      return cmap::filter_encoding_records_for_subset (this, _);
+    })
     ;
 
     if (unlikely (!encodingrec_iter.len ())) return_trace (false);
@@ -1616,18 +1796,16 @@ struct cmap
     if (unlikely (has_format12 && (!unicode_ucs4 && !ms_ucs4))) return_trace (false);
 
     auto it =
-    + hb_iter (c->plan->unicodes)
-    | hb_map ([&] (hb_codepoint_t _)
-	      {
-		hb_codepoint_t new_gid = HB_MAP_VALUE_INVALID;
-		c->plan->new_gid_for_codepoint (_, &new_gid);
-		return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (_, new_gid);
-	      })
+    + c->plan->unicode_to_new_gid_list.iter ()
     | hb_filter ([&] (const hb_pair_t<hb_codepoint_t, hb_codepoint_t> _)
 		 { return (_.second != HB_MAP_VALUE_INVALID); })
     ;
 
-    return_trace (cmap_prime->serialize (c->serializer, it, encodingrec_iter, this, c->plan));
+    return_trace (cmap_prime->serialize (c->serializer,
+                                         it,
+                                         encodingrec_iter,
+                                         this,
+                                         c->plan));
   }
 
   const CmapSubtable *find_best_subtable (bool *symbol = nullptr) const
@@ -1677,7 +1855,24 @@ struct cmap
 
       this->get_glyph_data = subtable;
       if (unlikely (symbol))
-	this->get_glyph_funcZ = get_glyph_from_symbol<CmapSubtable>;
+      {
+	switch ((unsigned) face->table.OS2->get_font_page ()) {
+	case OS2::font_page_t::FONT_PAGE_NONE:
+	  this->get_glyph_funcZ = get_glyph_from_symbol<CmapSubtable, _hb_symbol_pua_map>;
+	  break;
+#ifndef HB_NO_OT_SHAPER_ARABIC_FALLBACK
+	case OS2::font_page_t::FONT_PAGE_SIMP_ARABIC:
+	  this->get_glyph_funcZ = get_glyph_from_symbol<CmapSubtable, _hb_arabic_pua_simp_map>;
+	  break;
+	case OS2::font_page_t::FONT_PAGE_TRAD_ARABIC:
+	  this->get_glyph_funcZ = get_glyph_from_symbol<CmapSubtable, _hb_arabic_pua_trad_map>;
+	  break;
+#endif
+	default:
+	  this->get_glyph_funcZ = get_glyph_from<CmapSubtable>;
+	  break;
+	}
+      }
       else
       {
 	switch (subtable->u.format) {
@@ -1759,6 +1954,7 @@ struct cmap
     typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj,
 					      hb_codepoint_t codepoint,
 					      hb_codepoint_t *glyph);
+    typedef uint_fast16_t (*hb_pua_remap_func_t) (unsigned);
 
     template <typename Type>
     HB_INTERNAL static bool get_glyph_from (const void *obj,
@@ -1769,7 +1965,7 @@ struct cmap
       return typed_obj->get_glyph (codepoint, glyph);
     }
 
-    template <typename Type>
+    template <typename Type, hb_pua_remap_func_t remap>
     HB_INTERNAL static bool get_glyph_from_symbol (const void *obj,
 						   hb_codepoint_t codepoint,
 						   hb_codepoint_t *glyph)
@@ -1778,15 +1974,8 @@ struct cmap
       if (likely (typed_obj->get_glyph (codepoint, glyph)))
 	return true;
 
-      if (codepoint <= 0x00FFu)
-      {
-	/* For symbol-encoded OpenType fonts, we duplicate the
-	 * U+F000..F0FF range at U+0000..U+00FF.  That's what
-	 * Windows seems to do, and that's hinted about at:
-	 * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
-	 * under "Non-Standard (Symbol) Fonts". */
-	return typed_obj->get_glyph (0xF000u + codepoint, glyph);
-      }
+      if (hb_codepoint_t c = remap (codepoint))
+	return typed_obj->get_glyph (c, glyph);
 
       return false;
     }
@@ -1852,6 +2041,19 @@ struct cmap
 		  encodingRecord.sanitize (c, this));
   }
 
+ private:
+
+  static bool filter_encoding_records_for_subset(const cmap* cmap,
+                                                 const EncodingRecord& _)
+  {
+    return
+        (_.platformID == 0 && _.encodingID == 3) ||
+        (_.platformID == 0 && _.encodingID == 4) ||
+        (_.platformID == 3 && _.encodingID == 1) ||
+        (_.platformID == 3 && _.encodingID == 10) ||
+        (cmap + _.subtable).u.format == 14;
+  }
+
   protected:
   HBUINT16	version;	/* Table version number (0). */
   SortedArray16Of<EncodingRecord>
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh
index 23fa56c4f6..3246894d39 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh
@@ -67,7 +67,7 @@ _copy_data_to_cbdt (hb_vector_t<char> *cbdt_prime,
 {
   unsigned int new_len = cbdt_prime->length + length;
   if (unlikely (!cbdt_prime->alloc (new_len))) return false;
-  memcpy (cbdt_prime->arrayZ + cbdt_prime->length, data, length);
+  hb_memcpy (cbdt_prime->arrayZ + cbdt_prime->length, data, length);
   cbdt_prime->length = new_len;
   return true;
 }
@@ -468,13 +468,13 @@ struct IndexSubtableRecord
     if (unlikely (!c->serializer->check_success (records->resize (records->length + 1))))
       return_trace (false);
 
-    (*records)[records->length - 1].firstGlyphIndex = 1;
-    (*records)[records->length - 1].lastGlyphIndex = 0;
+    records->tail ().firstGlyphIndex = 1;
+    records->tail ().lastGlyphIndex = 0;
     bitmap_size_context->size += IndexSubtableRecord::min_size;
 
     c->serializer->push ();
 
-    if (unlikely (!add_new_subtable (c, bitmap_size_context, &((*records)[records->length - 1]), lookup, base, start)))
+    if (unlikely (!add_new_subtable (c, bitmap_size_context, &(records->tail ()), lookup, base, start)))
     {
       c->serializer->pop_discard ();
       c->serializer->revert (snap);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh
index dac755c02c..1af9d30937 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh
@@ -39,11 +39,7 @@
 #define HB_OT_TAG_COLR HB_TAG('C','O','L','R')
 
 #ifndef HB_COLRV1_MAX_NESTING_LEVEL
-#define HB_COLRV1_MAX_NESTING_LEVEL	100
-#endif
-
-#ifndef COLRV1_ENABLE_SUBSETTING
-#define COLRV1_ENABLE_SUBSETTING 1
+#define HB_COLRV1_MAX_NESTING_LEVEL	16
 #endif
 
 namespace OT {
@@ -145,7 +141,7 @@ struct BaseGlyphRecord
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   public:
@@ -188,6 +184,7 @@ struct Variable
 
   protected:
   T      value;
+  public:
   VarIdx varIdxBase;
   public:
   DEFINE_SIZE_STATIC (4 + T::static_size);
@@ -196,6 +193,8 @@ struct Variable
 template <typename T>
 struct NoVariable
 {
+  static constexpr uint32_t varIdxBase = VarIdx::NO_VARIATION;
+
   NoVariable<T>* copy (hb_serialize_context_t *c) const
   {
     TRACE_SERIALIZE (this);
@@ -358,14 +357,14 @@ struct Affine2x3
     return_trace (c->check_struct (this));
   }
 
-  HBFixed xx;
-  HBFixed yx;
-  HBFixed xy;
-  HBFixed yy;
-  HBFixed dx;
-  HBFixed dy;
+  F16DOT16 xx;
+  F16DOT16 yx;
+  F16DOT16 xy;
+  F16DOT16 yy;
+  F16DOT16 dx;
+  F16DOT16 dy;
   public:
-  DEFINE_SIZE_STATIC (6 * HBFixed::static_size);
+  DEFINE_SIZE_STATIC (6 * F16DOT16::static_size);
 };
 
 struct PaintColrLayers
@@ -524,6 +523,7 @@ struct PaintSweepGradient
 };
 
 struct Paint;
+
 // Paint a non-COLR glyph, filled as indicated by paint.
 struct PaintGlyph
 {
@@ -887,6 +887,11 @@ struct PaintComposite
   DEFINE_SIZE_STATIC (8);
 };
 
+struct ClipBoxData
+{
+  int xMin, yMin, xMax, yMax;
+};
+
 struct ClipBoxFormat1
 {
   bool sanitize (hb_sanitize_context_t *c) const
@@ -895,6 +900,14 @@ struct ClipBoxFormat1
     return_trace (c->check_struct (this));
   }
 
+  void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer HB_UNUSED) const
+  {
+    clip_box.xMin = xMin;
+    clip_box.yMin = yMin;
+    clip_box.xMax = xMax;
+    clip_box.yMax = yMax;
+  }
+
   public:
   HBUINT8	format; /* format = 1(noVar) or 2(Var)*/
   FWORD		xMin;
@@ -905,7 +918,20 @@ struct ClipBoxFormat1
   DEFINE_SIZE_STATIC (1 + 4 * FWORD::static_size);
 };
 
-struct ClipBoxFormat2 : Variable<ClipBoxFormat1> {};
+struct ClipBoxFormat2 : Variable<ClipBoxFormat1>
+{
+  void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer) const
+  {
+    value.get_clip_box(clip_box, instancer);
+    if (instancer)
+    {
+      clip_box.xMin += _hb_roundf (instancer (varIdxBase, 0));
+      clip_box.yMin += _hb_roundf (instancer (varIdxBase, 1));
+      clip_box.xMax += _hb_roundf (instancer (varIdxBase, 2));
+      clip_box.yMax += _hb_roundf (instancer (varIdxBase, 3));
+    }
+  }
+};
 
 struct ClipBox
 {
@@ -931,6 +957,28 @@ struct ClipBox
     }
   }
 
+  bool get_extents (hb_glyph_extents_t *extents,
+                    const VarStoreInstancer &instancer) const
+  {
+    ClipBoxData clip_box;
+    switch (u.format) {
+    case 1:
+      u.format1.get_clip_box (clip_box, instancer);
+      break;
+    case 2:
+      u.format2.get_clip_box (clip_box, instancer);
+      break;
+    default:
+      return false;
+    }
+
+    extents->x_bearing = clip_box.xMin;
+    extents->y_bearing = clip_box.yMax;
+    extents->width = clip_box.xMax - clip_box.xMin;
+    extents->height = clip_box.yMin - clip_box.yMax;
+    return true;
+  }
+
   protected:
   union {
   HBUINT8		format;         /* Format identifier */
@@ -941,6 +989,9 @@ struct ClipBox
 
 struct ClipRecord
 {
+  int cmp (hb_codepoint_t g) const
+  { return g < startGlyphID ? -1 : g <= endGlyphID ? 0 : +1; }
+
   ClipRecord* copy (hb_serialize_context_t *c, const void *base) const
   {
     TRACE_SERIALIZE (this);
@@ -956,6 +1007,13 @@ struct ClipRecord
     return_trace (c->check_struct (this) && clipBox.sanitize (c, base));
   }
 
+  bool get_extents (hb_glyph_extents_t *extents,
+		    const void *base,
+		    const VarStoreInstancer &instancer) const
+  {
+    return (base+clipBox).get_extents (extents, instancer);
+  }
+
   public:
   HBUINT16		startGlyphID;  // first gid clip applies to
   HBUINT16		endGlyphID;    // last gid clip applies to, inclusive
@@ -963,6 +1021,7 @@ struct ClipRecord
   public:
   DEFINE_SIZE_STATIC (7);
 };
+DECLARE_NULL_NAMESPACE_BYTES (OT, ClipRecord);
 
 struct ClipList
 {
@@ -1051,11 +1110,26 @@ struct ClipList
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
+    // TODO Make a formatted struct!
     return_trace (c->check_struct (this) && clips.sanitize (c, this));
   }
 
+  bool
+  get_extents (hb_codepoint_t gid,
+	       hb_glyph_extents_t *extents,
+	       const VarStoreInstancer &instancer) const
+  {
+    auto *rec = clips.as_array ().bsearch (gid);
+    if (rec)
+    {
+      rec->get_extents (extents, this, instancer);
+      return true;
+    }
+    return false;
+  }
+
   HBUINT8			format;  // Set to 1.
-  Array32Of<ClipRecord>		clips;  // Clip records, sorted by startGlyphID
+  SortedArray32Of<ClipRecord>	clips;  // Clip records, sorted by startGlyphID
   public:
   DEFINE_SIZE_ARRAY_SIZED (5, clips);
 };
@@ -1152,6 +1226,8 @@ struct Paint
   Variable<PaintSkewAroundCenter>		paintformat31;
   PaintComposite				paintformat32;
   } u;
+  public:
+  DEFINE_SIZE_MIN (2);
 };
 
 struct BaseGlyphPaintRecord
@@ -1356,7 +1432,7 @@ struct COLR
                   (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) &&
                   (this+layersZ).sanitize (c, numLayers) &&
                   (version == 0 ||
-		   (COLRV1_ENABLE_SUBSETTING && version == 1 &&
+		   (version == 1 &&
 		    baseGlyphList.sanitize (c, this) &&
 		    layerList.sanitize (c, this) &&
 		    clipList.sanitize (c, this) &&
@@ -1513,6 +1589,30 @@ struct COLR
     return_trace (true);
   }
 
+  bool
+  get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const
+  {
+    if (version != 1)
+      return false;
+
+    VarStoreInstancer instancer (this+varStore,
+				 this+varIdxMap,
+				 hb_array (font->coords, font->num_coords));
+
+    if ((this+clipList).get_extents (glyph,
+				     extents,
+				     instancer))
+    {
+      extents->x_bearing = font->em_scale_x (extents->x_bearing);
+      extents->y_bearing = font->em_scale_x (extents->y_bearing);
+      extents->width = font->em_scale_x (extents->width);
+      extents->height = font->em_scale_x (extents->height);
+      return true;
+    }
+
+    return false;
+  }
+
   protected:
   HBUINT16	version;	/* Table version number (starts at 0). */
   HBUINT16	numBaseGlyphs;	/* Number of Base Glyph Records. */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh
index a9deeba9a7..bcab77f79d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh
@@ -97,9 +97,10 @@ struct CPALV1Tail
       c->push ();
       for (const auto _ : colorLabels)
       {
-        if (!color_index_map->has (_)) continue;
+	const hb_codepoint_t *v;
+        if (!color_index_map->has (_, &v)) continue;
         NameID new_color_idx;
-        new_color_idx = color_index_map->get (_);
+	new_color_idx = *v;
         if (!c->copy<NameID> (new_color_idx))
         {
           c->pop_discard ();
@@ -197,30 +198,38 @@ struct CPAL
 
   public:
   bool serialize (hb_serialize_context_t *c,
-                  const hb_array_t<const BGRAColor> &color_records,
                   const hb_array_t<const HBUINT16> &color_record_indices,
-                  const hb_map_t &color_record_index_map,
-                  const hb_set_t &retained_color_record_indices) const
+                  const hb_array_t<const BGRAColor> &color_records,
+                  const hb_vector_t<unsigned>& first_color_index_for_layer,
+                  const hb_map_t& first_color_to_layer_index,
+                  const hb_set_t &retained_color_indices) const
   {
     TRACE_SERIALIZE (this);
 
+    // TODO(grieger): limit total final size.
+
     for (const auto idx : color_record_indices)
     {
+      hb_codepoint_t layer_index = first_color_to_layer_index[idx];
+
       HBUINT16 new_idx;
-      if (idx == 0) new_idx = 0;
-      else new_idx = color_record_index_map.get (idx);
+      new_idx = layer_index * retained_color_indices.get_population ();
       if (!c->copy<HBUINT16> (new_idx)) return_trace (false);
     }
 
     c->push ();
-    for (const auto _ : retained_color_record_indices.iter ())
+    for (unsigned first_color_index : first_color_index_for_layer)
     {
-      if (!c->copy<BGRAColor> (color_records[_]))
+      for (hb_codepoint_t color_index : retained_color_indices)
       {
-        c->pop_discard ();
-        return_trace (false);
+        if (!c->copy<BGRAColor> (color_records[first_color_index + color_index]))
+        {
+          c->pop_discard ();
+          return_trace (false);
+        }
       }
     }
+
     c->add_link (colorRecordsZ, c->pop_pack ());
     return_trace (true);
   }
@@ -228,6 +237,8 @@ struct CPAL
   bool subset (hb_subset_context_t *c) const
   {
     TRACE_SUBSET (this);
+    if (!numPalettes) return_trace (false);
+
     const hb_map_t *color_index_map = c->plan->colr_palettes;
     if (color_index_map->is_empty ()) return_trace (false);
 
@@ -242,30 +253,34 @@ struct CPAL
     auto *out = c->serializer->start_embed (*this);
     if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
 
+
     out->version = version;
     out->numColors = retained_color_indices.get_population ();
     out->numPalettes = numPalettes;
 
-    const hb_array_t<const HBUINT16> colorRecordIndices = colorRecordIndicesZ.as_array (numPalettes);
-    hb_map_t color_record_index_map;
-    hb_set_t retained_color_record_indices;
+    hb_vector_t<unsigned> first_color_index_for_layer;
+    hb_map_t first_color_to_layer_index;
 
-    unsigned record_count = 0;
+    const hb_array_t<const HBUINT16> colorRecordIndices = colorRecordIndicesZ.as_array (numPalettes);
     for (const auto first_color_record_idx : colorRecordIndices)
     {
-      for (unsigned retained_color_idx : retained_color_indices.iter ())
-      {
-        unsigned color_record_idx = first_color_record_idx + retained_color_idx;
-        if (color_record_index_map.has (color_record_idx)) continue;
-        color_record_index_map.set (color_record_idx, record_count);
-        retained_color_record_indices.add (color_record_idx);
-        record_count++;
-      }
+      if (first_color_to_layer_index.has (first_color_record_idx)) continue;
+
+      first_color_index_for_layer.push (first_color_record_idx);
+      first_color_to_layer_index.set (first_color_record_idx,
+                                      first_color_index_for_layer.length - 1);
     }
 
-    out->numColorRecords = record_count;
+    out->numColorRecords = first_color_index_for_layer.length
+                           * retained_color_indices.get_population ();
+
     const hb_array_t<const BGRAColor> color_records = (this+colorRecordsZ).as_array (numColorRecords);
-    if (!out->serialize (c->serializer, color_records, colorRecordIndices, color_record_index_map, retained_color_record_indices))
+    if (!out->serialize (c->serializer,
+                         colorRecordIndices,
+                         color_records,
+                         first_color_index_for_layer,
+                         first_color_to_layer_index,
+                         retained_color_indices))
       return_trace (false);
 
     if (version == 1)
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh
index 9741ebd450..d0e2235fb2 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh
@@ -298,6 +298,12 @@ struct sbix
 
       const PNGHeader &png = *blob->as<PNGHeader>();
 
+      if (png.IHDR.height >= 65536 || png.IHDR.width >= 65536)
+      {
+	hb_blob_destroy (blob);
+	return false;
+      }
+
       extents->x_bearing = x_offset;
       extents->y_bearing = png.IHDR.height + y_offset;
       extents->width     = png.IHDR.width;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc
index 16077765bd..696ca3e17f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc
@@ -61,7 +61,7 @@
  *
  * Tests whether a face includes a `CPAL` color-palette table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.1.0
  */
@@ -192,7 +192,7 @@ hb_ot_color_palette_get_colors (hb_face_t     *face,
  *
  * Tests whether a face includes any `COLR` color layers.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.1.0
  */
@@ -239,7 +239,7 @@ hb_ot_color_glyph_get_layers (hb_face_t           *face,
  *
  * Tests whether a face includes any `SVG` glyph images.
  *
- * Return value: %true if data found, %false otherwise.
+ * Return value: `true` if data found, `false` otherwise.
  *
  * Since: 2.1.0
  */
@@ -279,7 +279,7 @@ hb_ot_color_glyph_reference_svg (hb_face_t *face, hb_codepoint_t glyph)
  *
  * Tests whether a face has PNG glyph images (either in `CBDT` or `sbix` tables).
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.1.0
  */
@@ -295,8 +295,8 @@ hb_ot_color_has_png (hb_face_t *face)
  * @glyph: a glyph index
  *
  * Fetches the PNG image for a glyph. This function takes a font object, not a face object,
- * as input. To get an optimally sized PNG blob, the UPEM value must be set on the @font
- * object. If UPEM is unset, the blob returned will be the largest PNG available.
+ * as input. To get an optimally sized PNG blob, the PPEM values must be set on the @font
+ * object. If PPEM is unset, the blob returned will be the largest PNG available.
  *
  * If the glyph has no PNG image, the singleton empty blob is returned.
  *
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h
index c23ce4de44..d11e07e230 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h
@@ -102,6 +102,10 @@ hb_ot_color_has_layers (hb_face_t *face);
  *
  * Pairs of glyph and color index.
  *
+ * A color index of 0xFFFF does not refer to a palette
+ * color, but indicates that the foreground color should
+ * be used.
+ *
  * Since: 2.1.0
  **/
 typedef struct hb_ot_color_layer_t {
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh
index c05034b3bb..c9da36c1bb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh
@@ -56,9 +56,9 @@ HB_OT_CORE_TABLE (OT, maxp)
 #if !defined(HB_NO_FACE_COLLECT_UNICODES) || !defined(HB_NO_OT_FONT)
 HB_OT_ACCELERATOR (OT, cmap)
 #endif
-HB_OT_TABLE (OT, hhea)
+HB_OT_CORE_TABLE (OT, hhea)
 HB_OT_ACCELERATOR (OT, hmtx)
-HB_OT_TABLE (OT, OS2)
+HB_OT_CORE_TABLE (OT, OS2)
 #if !defined(HB_NO_OT_FONT_GLYPH_NAMES) || !defined(HB_NO_METRICS) || !defined(HB_NO_STYLE)
 HB_OT_ACCELERATOR (OT, post)
 #endif
@@ -66,7 +66,7 @@ HB_OT_ACCELERATOR (OT, post)
 HB_OT_ACCELERATOR (OT, name)
 #endif
 #ifndef HB_NO_STYLE
-HB_OT_TABLE (OT, STAT)
+HB_OT_CORE_TABLE (OT, STAT)
 #endif
 #ifndef HB_NO_META
 HB_OT_ACCELERATOR (OT, meta)
@@ -74,9 +74,9 @@ HB_OT_ACCELERATOR (OT, meta)
 
 /* Vertical layout. */
 #ifndef HB_NO_VERTICAL
-HB_OT_TABLE (OT, vhea)
+HB_OT_CORE_TABLE (OT, vhea)
 HB_OT_ACCELERATOR (OT, vmtx)
-HB_OT_TABLE (OT, VORG)
+HB_OT_CORE_TABLE (OT, VORG)
 #endif
 
 /* TrueType outlines. */
@@ -91,15 +91,15 @@ HB_OT_ACCELERATOR (OT, cff2)
 
 /* OpenType variations. */
 #ifndef HB_NO_VAR
-HB_OT_TABLE (OT, fvar)
-HB_OT_TABLE (OT, avar)
+HB_OT_CORE_TABLE (OT, fvar)
+HB_OT_CORE_TABLE (OT, avar)
 HB_OT_ACCELERATOR (OT, gvar)
-HB_OT_TABLE (OT, MVAR)
+HB_OT_CORE_TABLE (OT, MVAR)
 #endif
 
 /* Legacy kern. */
 #ifndef HB_NO_OT_KERN
-HB_OT_TABLE (OT, kern)
+HB_OT_CORE_TABLE (OT, kern)
 #endif
 
 /* OpenType shaping. */
@@ -107,12 +107,12 @@ HB_OT_TABLE (OT, kern)
 HB_OT_ACCELERATOR (OT, GDEF)
 HB_OT_ACCELERATOR (OT, GSUB)
 HB_OT_ACCELERATOR (OT, GPOS)
-//HB_OT_TABLE (OT, JSTF)
+//HB_OT_CORE_TABLE (OT, JSTF)
 #endif
 
 /* OpenType baseline. */
 #ifndef HB_NO_BASE
-HB_OT_TABLE (OT, BASE)
+HB_OT_CORE_TABLE (OT, BASE)
 #endif
 
 /* AAT shaping. */
@@ -129,8 +129,8 @@ HB_OT_TABLE (AAT, feat)
 
 /* OpenType color fonts. */
 #ifndef HB_NO_COLOR
-HB_OT_TABLE (OT, COLR)
-HB_OT_TABLE (OT, CPAL)
+HB_OT_CORE_TABLE (OT, COLR)
+HB_OT_CORE_TABLE (OT, CPAL)
 HB_OT_ACCELERATOR (OT, CBDT)
 HB_OT_ACCELERATOR (OT, sbix)
 HB_OT_ACCELERATOR (OT, SVG)
@@ -138,7 +138,7 @@ HB_OT_ACCELERATOR (OT, SVG)
 
 /* OpenType math. */
 #ifndef HB_NO_MATH
-HB_OT_TABLE (OT, MATH)
+HB_OT_CORE_TABLE (OT, MATH)
 #endif
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc
index 0f44ee4d5f..8405103423 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc
@@ -30,6 +30,7 @@
 
 #include "hb-ot.h"
 
+#include "hb-cache.hh"
 #include "hb-font.hh"
 #include "hb-machinery.hh"
 #include "hb-ot-face.hh"
@@ -39,12 +40,12 @@
 #include "hb-ot-cff1-table.hh"
 #include "hb-ot-cff2-table.hh"
 #include "hb-ot-hmtx-table.hh"
-#include "hb-ot-os2-table.hh"
 #include "hb-ot-post-table.hh"
 #include "hb-ot-stat-table.hh" // Just so we compile it; unused otherwise.
 #include "hb-ot-vorg-table.hh"
 #include "hb-ot-color-cbdt-table.hh"
 #include "hb-ot-color-sbix-table.hh"
+#include "hb-ot-color-colr-table.hh"
 
 
 /**
@@ -58,6 +59,43 @@
  * never need to call these functions directly.
  **/
 
+using hb_ot_font_advance_cache_t = hb_cache_t<24, 16, 8, true>;
+
+struct hb_ot_font_t
+{
+  const hb_ot_face_t *ot_face;
+
+  /* h_advance caching */
+  mutable hb_atomic_int_t cached_coords_serial;
+  mutable hb_atomic_ptr_t<hb_ot_font_advance_cache_t> advance_cache;
+};
+
+static hb_ot_font_t *
+_hb_ot_font_create (hb_font_t *font)
+{
+  hb_ot_font_t *ot_font = (hb_ot_font_t *) hb_calloc (1, sizeof (hb_ot_font_t));
+  if (unlikely (!ot_font))
+    return nullptr;
+
+  ot_font->ot_face = &font->face->table;
+
+  return ot_font;
+}
+
+static void
+_hb_ot_font_destroy (void *font_data)
+{
+  hb_ot_font_t *ot_font = (hb_ot_font_t *) font_data;
+
+  auto *cache = ot_font->advance_cache.get_relaxed ();
+  if (cache)
+  {
+    cache->fini ();
+    hb_free (cache);
+  }
+
+  hb_free (ot_font);
+}
 
 static hb_bool_t
 hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED,
@@ -66,7 +104,8 @@ hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED,
 			 hb_codepoint_t *glyph,
 			 void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
   return ot_face->cmap->get_nominal_glyph (unicode, glyph);
 }
 
@@ -80,7 +119,8 @@ hb_ot_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
 			  unsigned int glyph_stride,
 			  void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
   return ot_face->cmap->get_nominal_glyphs (count,
 					    first_unicode, unicode_stride,
 					    first_glyph, glyph_stride);
@@ -94,7 +134,8 @@ hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED,
 			   hb_codepoint_t *glyph,
 			   void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
   return ot_face->cmap->get_variation_glyph (unicode, variation_selector, glyph);
 }
 
@@ -107,15 +148,83 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
 			    unsigned advance_stride,
 			    void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
   const OT::hmtx_accelerator_t &hmtx = *ot_face->hmtx;
 
-  for (unsigned int i = 0; i < count; i++)
+#ifndef HB_NO_VAR
+  const OT::HVAR &HVAR = *hmtx.var_table;
+  const OT::VariationStore &varStore = &HVAR + HVAR.varStore;
+  OT::VariationStore::cache_t *varStore_cache = font->num_coords * count >= 128 ? varStore.create_cache () : nullptr;
+
+  bool use_cache = font->num_coords;
+#else
+  OT::VariationStore::cache_t *varStore_cache = nullptr;
+  bool use_cache = false;
+#endif
+
+  hb_ot_font_advance_cache_t *cache = nullptr;
+  if (use_cache)
+  {
+  retry:
+    cache = ot_font->advance_cache.get_acquire ();
+    if (unlikely (!cache))
+    {
+      cache = (hb_ot_font_advance_cache_t *) hb_malloc (sizeof (hb_ot_font_advance_cache_t));
+      if (unlikely (!cache))
+      {
+	use_cache = false;
+	goto out;
+      }
+
+      cache->init ();
+      if (unlikely (!ot_font->advance_cache.cmpexch (nullptr, cache)))
+      {
+	hb_free (cache);
+	goto retry;
+      }
+      ot_font->cached_coords_serial.set_release (font->serial_coords);
+    }
+  }
+  out:
+
+  if (!use_cache)
   {
-    *first_advance = font->em_scale_x (hmtx.get_advance (*first_glyph, font));
-    first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
-    first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+    for (unsigned int i = 0; i < count; i++)
+    {
+      *first_advance = font->em_scale_x (hmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache));
+      first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
+      first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+    }
+  }
+  else
+  { /* Use cache. */
+    if (ot_font->cached_coords_serial.get_acquire () != (int) font->serial_coords)
+    {
+      ot_font->advance_cache->init ();
+      ot_font->cached_coords_serial.set_release (font->serial_coords);
+    }
+
+    for (unsigned int i = 0; i < count; i++)
+    {
+      hb_position_t v;
+      unsigned cv;
+      if (ot_font->advance_cache->get (*first_glyph, &cv))
+	v = cv;
+      else
+      {
+        v = hmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache);
+	ot_font->advance_cache->set (*first_glyph, v);
+      }
+      *first_advance = font->em_scale_x (v);
+      first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
+      first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+    }
   }
+
+#ifndef HB_NO_VAR
+  OT::VariationStore::destroy_cache (varStore_cache);
+#endif
 }
 
 #ifndef HB_NO_VERTICAL
@@ -128,16 +237,31 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
 			    unsigned advance_stride,
 			    void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
   const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
 
   if (vmtx.has_data ())
+  {
+#ifndef HB_NO_VAR
+    const OT::VVAR &VVAR = *vmtx.var_table;
+    const OT::VariationStore &varStore = &VVAR + VVAR.varStore;
+    OT::VariationStore::cache_t *varStore_cache = font->num_coords ? varStore.create_cache () : nullptr;
+#else
+    OT::VariationStore::cache_t *varStore_cache = nullptr;
+#endif
+
     for (unsigned int i = 0; i < count; i++)
     {
-      *first_advance = font->em_scale_y (-(int) vmtx.get_advance (*first_glyph, font));
+      *first_advance = font->em_scale_y (-(int) vmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache));
       first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
       first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
     }
+
+#ifndef HB_NO_VAR
+    OT::VariationStore::destroy_cache (varStore_cache);
+#endif
+  }
   else
   {
     hb_font_extents_t font_extents;
@@ -163,24 +287,36 @@ hb_ot_get_glyph_v_origin (hb_font_t *font,
 			  hb_position_t *y,
 			  void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
 
   *x = font->get_glyph_h_advance (glyph) / 2;
 
   const OT::VORG &VORG = *ot_face->VORG;
   if (VORG.has_data ())
   {
-    *y = font->em_scale_y (VORG.get_y_origin (glyph));
+    float delta = 0;
+
+#ifndef HB_NO_VAR
+    const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
+    const OT::VVAR &VVAR = *vmtx.var_table;
+    if (font->num_coords)
+      VVAR.get_vorg_delta_unscaled (glyph,
+				    font->coords, font->num_coords,
+				    &delta);
+#endif
+
+    *y = font->em_scalef_y (VORG.get_y_origin (glyph) + delta);
     return true;
   }
 
   hb_glyph_extents_t extents = {0};
   if (ot_face->glyf->get_extents (font, glyph, &extents))
   {
-    if (ot_face->vmtx->has_data ())
+    const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
+    int tsb = 0;
+    if (vmtx.get_leading_bearing_with_var_unscaled (font, glyph, &tsb))
     {
-      const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
-      hb_position_t tsb = vmtx.get_side_bearing (font, glyph);
       *y = extents.y_bearing + font->em_scale_y (tsb);
       return true;
     }
@@ -208,21 +344,22 @@ hb_ot_get_glyph_extents (hb_font_t *font,
 			 hb_glyph_extents_t *extents,
 			 void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
 
 #if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR)
   if (ot_face->sbix->get_extents (font, glyph, extents)) return true;
+  if (ot_face->CBDT->get_extents (font, glyph, extents)) return true;
+#endif
+#if !defined(HB_NO_COLOR)
+  if (ot_face->COLR->get_extents (font, glyph, extents)) return true;
 #endif
   if (ot_face->glyf->get_extents (font, glyph, extents)) return true;
 #ifndef HB_NO_OT_FONT_CFF
   if (ot_face->cff1->get_extents (font, glyph, extents)) return true;
   if (ot_face->cff2->get_extents (font, glyph, extents)) return true;
 #endif
-#if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR)
-  if (ot_face->CBDT->get_extents (font, glyph, extents)) return true;
-#endif
 
-  // TODO Hook up side-bearings variations.
   return false;
 }
 
@@ -234,7 +371,9 @@ hb_ot_get_glyph_name (hb_font_t *font HB_UNUSED,
 		      char *name, unsigned int size,
 		      void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
+
   if (ot_face->post->get_glyph_name (glyph, name, size)) return true;
 #ifndef HB_NO_OT_FONT_CFF
   if (ot_face->cff1->get_glyph_name (glyph, name, size)) return true;
@@ -248,7 +387,9 @@ hb_ot_get_glyph_from_name (hb_font_t *font HB_UNUSED,
 			   hb_codepoint_t *glyph,
 			   void *user_data HB_UNUSED)
 {
-  const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data;
+  const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
+  const hb_ot_face_t *ot_face = ot_font->ot_face;
+
   if (ot_face->post->get_glyph_from_name (name, len, glyph)) return true;
 #ifndef HB_NO_OT_FONT_CFF
     if (ot_face->cff1->get_glyph_from_name (name, len, glyph)) return true;
@@ -364,23 +505,28 @@ _hb_ot_get_font_funcs ()
 void
 hb_ot_font_set_funcs (hb_font_t *font)
 {
+  hb_ot_font_t *ot_font = _hb_ot_font_create (font);
+  if (unlikely (!ot_font))
+    return;
+
   hb_font_set_funcs (font,
 		     _hb_ot_get_font_funcs (),
-		     &font->face->table,
-		     nullptr);
+		     ot_font,
+		     _hb_ot_font_destroy);
 }
 
 #ifndef HB_NO_VAR
-int
-_glyf_get_side_bearing_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical)
+bool
+_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical,
+					     int *lsb)
 {
-  return font->face->table.glyf->get_side_bearing_var (font, glyph, is_vertical);
+  return font->face->table.glyf->get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb);
 }
 
 unsigned
-_glyf_get_advance_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical)
+_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical)
 {
-  return font->face->table.glyf->get_advance_var (font, glyph, is_vertical);
+  return font->face->table.glyf->get_advance_with_var_unscaled (font, glyph, is_vertical);
 }
 #endif
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh
index b4ac688344..c32ff7636d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh
@@ -30,1332 +30,6 @@
 #ifndef HB_OT_GLYF_TABLE_HH
 #define HB_OT_GLYF_TABLE_HH
 
-#include "hb-open-type.hh"
-#include "hb-ot-head-table.hh"
-#include "hb-ot-hmtx-table.hh"
-#include "hb-ot-var-gvar-table.hh"
-#include "hb-draw.hh"
-
-namespace OT {
-
-
-/*
- * loca -- Index to Location
- * https://docs.microsoft.com/en-us/typography/opentype/spec/loca
- */
-#define HB_OT_TAG_loca HB_TAG('l','o','c','a')
-
-#ifndef HB_MAX_COMPOSITE_OPERATIONS
-#define HB_MAX_COMPOSITE_OPERATIONS 100000
-#endif
-
-
-struct loca
-{
-  friend struct glyf;
-
-  static constexpr hb_tag_t tableTag = HB_OT_TAG_loca;
-
-  bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (true);
-  }
-
-  protected:
-  UnsizedArrayOf<HBUINT8>
-		dataZ;	/* Location data. */
-  public:
-  DEFINE_SIZE_MIN (0);	/* In reality, this is UNBOUNDED() type; but since we always
-			 * check the size externally, allow Null() object of it by
-			 * defining it _MIN instead. */
-};
-
-
-/*
- * glyf -- TrueType Glyph Data
- * https://docs.microsoft.com/en-us/typography/opentype/spec/glyf
- */
-#define HB_OT_TAG_glyf HB_TAG('g','l','y','f')
-
-
-struct glyf
-{
-  static constexpr hb_tag_t tableTag = HB_OT_TAG_glyf;
-
-  bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const
-  {
-    TRACE_SANITIZE (this);
-    /* Runtime checks as eager sanitizing each glyph is costy */
-    return_trace (true);
-  }
-
-  template<typename Iterator,
-	   hb_requires (hb_is_source_of (Iterator, unsigned int))>
-  static bool
-  _add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_short_loca)
-  {
-    unsigned num_offsets = padded_offsets.len () + 1;
-    unsigned entry_size = use_short_loca ? 2 : 4;
-    char *loca_prime_data = (char *) hb_calloc (entry_size, num_offsets);
-
-    if (unlikely (!loca_prime_data)) return false;
-
-    DEBUG_MSG (SUBSET, nullptr, "loca entry_size %d num_offsets %d size %d",
-	       entry_size, num_offsets, entry_size * num_offsets);
-
-    if (use_short_loca)
-      _write_loca (padded_offsets, 1, hb_array ((HBUINT16 *) loca_prime_data, num_offsets));
-    else
-      _write_loca (padded_offsets, 0, hb_array ((HBUINT32 *) loca_prime_data, num_offsets));
-
-    hb_blob_t *loca_blob = hb_blob_create (loca_prime_data,
-					   entry_size * num_offsets,
-					   HB_MEMORY_MODE_WRITABLE,
-					   loca_prime_data,
-					   hb_free);
-
-    bool result = plan->add_table (HB_OT_TAG_loca, loca_blob)
-	       && _add_head_and_set_loca_version (plan, use_short_loca);
-
-    hb_blob_destroy (loca_blob);
-    return result;
-  }
-
-  template<typename IteratorIn, typename IteratorOut,
-	   hb_requires (hb_is_source_of (IteratorIn, unsigned int)),
-	   hb_requires (hb_is_sink_of (IteratorOut, unsigned))>
-  static void
-  _write_loca (IteratorIn it, unsigned right_shift, IteratorOut dest)
-  {
-    unsigned int offset = 0;
-    dest << 0;
-    + it
-    | hb_map ([=, &offset] (unsigned int padded_size)
-	      {
-		offset += padded_size;
-		DEBUG_MSG (SUBSET, nullptr, "loca entry offset %d", offset);
-		return offset >> right_shift;
-	      })
-    | hb_sink (dest)
-    ;
-  }
-
-  /* requires source of SubsetGlyph complains the identifier isn't declared */
-  template <typename Iterator>
-  bool serialize (hb_serialize_context_t *c,
-		  Iterator it,
-                  bool use_short_loca,
-		  const hb_subset_plan_t *plan)
-  {
-    TRACE_SERIALIZE (this);
-    unsigned init_len = c->length ();
-    for (const auto &_ : it) _.serialize (c, use_short_loca, plan);
-
-    /* As a special case when all glyph in the font are empty, add a zero byte
-     * to the table, so that OTS doesn’t reject it, and to make the table work
-     * on Windows as well.
-     * See https://github.com/khaledhosny/ots/issues/52 */
-    if (init_len == c->length ())
-    {
-      HBUINT8 empty_byte;
-      empty_byte = 0;
-      c->copy (empty_byte);
-    }
-    return_trace (true);
-  }
-
-  /* Byte region(s) per glyph to output
-     unpadded, hints removed if so requested
-     If we fail to process a glyph we produce an empty (0-length) glyph */
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-
-    glyf *glyf_prime = c->serializer->start_embed <glyf> ();
-    if (unlikely (!c->serializer->check_success (glyf_prime))) return_trace (false);
-
-    hb_vector_t<SubsetGlyph> glyphs;
-    _populate_subset_glyphs (c->plan, &glyphs);
-
-    auto padded_offsets =
-    + hb_iter (glyphs)
-    | hb_map (&SubsetGlyph::padded_size)
-    ;
-
-    unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0);
-    bool use_short_loca = max_offset < 0x1FFFF;
-
-
-    glyf_prime->serialize (c->serializer, hb_iter (glyphs), use_short_loca, c->plan);
-    if (!use_short_loca) {
-      padded_offsets =
-          + hb_iter (glyphs)
-          | hb_map (&SubsetGlyph::length)
-          ;
-    }
-
-
-    if (unlikely (c->serializer->in_error ())) return_trace (false);
-    return_trace (c->serializer->check_success (_add_loca_and_head (c->plan,
-								    padded_offsets,
-                                                                    use_short_loca)));
-  }
-
-  template <typename SubsetGlyph>
-  void
-  _populate_subset_glyphs (const hb_subset_plan_t   *plan,
-			   hb_vector_t<SubsetGlyph> *glyphs /* OUT */) const
-  {
-    OT::glyf::accelerator_t glyf (plan->source);
-
-    + hb_range (plan->num_output_glyphs ())
-    | hb_map ([&] (hb_codepoint_t new_gid)
-	      {
-		SubsetGlyph subset_glyph = {0};
-		subset_glyph.new_gid = new_gid;
-
-		/* should never fail: all old gids should be mapped */
-		if (!plan->old_gid_for_new_gid (new_gid, &subset_glyph.old_gid))
-		  return subset_glyph;
-
-		if (new_gid == 0 &&
-                    !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE))
-		  subset_glyph.source_glyph = Glyph ();
-		else
-		  subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, true);
-		if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
-                  subset_glyph.drop_hints_bytes ();
-		else
-                  subset_glyph.dest_start = subset_glyph.source_glyph.get_bytes ();
-		return subset_glyph;
-	      })
-    | hb_sink (glyphs)
-    ;
-  }
-
-  static bool
-  _add_head_and_set_loca_version (hb_subset_plan_t *plan, bool use_short_loca)
-  {
-    hb_blob_t *head_blob = hb_sanitize_context_t ().reference_table<head> (plan->source);
-    hb_blob_t *head_prime_blob = hb_blob_copy_writable_or_fail (head_blob);
-    hb_blob_destroy (head_blob);
-
-    if (unlikely (!head_prime_blob))
-      return false;
-
-    head *head_prime = (head *) hb_blob_get_data_writable (head_prime_blob, nullptr);
-    head_prime->indexToLocFormat = use_short_loca ? 0 : 1;
-    bool success = plan->add_table (HB_OT_TAG_head, head_prime_blob);
-
-    hb_blob_destroy (head_prime_blob);
-    return success;
-  }
-
-  struct CompositeGlyphChain
-  {
-    protected:
-    enum composite_glyph_flag_t
-    {
-      ARG_1_AND_2_ARE_WORDS	= 0x0001,
-      ARGS_ARE_XY_VALUES	= 0x0002,
-      ROUND_XY_TO_GRID		= 0x0004,
-      WE_HAVE_A_SCALE		= 0x0008,
-      MORE_COMPONENTS		= 0x0020,
-      WE_HAVE_AN_X_AND_Y_SCALE	= 0x0040,
-      WE_HAVE_A_TWO_BY_TWO	= 0x0080,
-      WE_HAVE_INSTRUCTIONS	= 0x0100,
-      USE_MY_METRICS		= 0x0200,
-      OVERLAP_COMPOUND		= 0x0400,
-      SCALED_COMPONENT_OFFSET	= 0x0800,
-      UNSCALED_COMPONENT_OFFSET = 0x1000
-    };
-
-    public:
-    unsigned int get_size () const
-    {
-      unsigned int size = min_size;
-      /* arg1 and 2 are int16 */
-      if (flags & ARG_1_AND_2_ARE_WORDS) size += 4;
-      /* arg1 and 2 are int8 */
-      else size += 2;
-
-      /* One x 16 bit (scale) */
-      if (flags & WE_HAVE_A_SCALE) size += 2;
-      /* Two x 16 bit (xscale, yscale) */
-      else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) size += 4;
-      /* Four x 16 bit (xscale, scale01, scale10, yscale) */
-      else if (flags & WE_HAVE_A_TWO_BY_TWO) size += 8;
-
-      return size;
-    }
-
-    void set_glyph_index (hb_codepoint_t new_gid) { glyphIndex = new_gid; }
-    hb_codepoint_t get_glyph_index ()       const { return glyphIndex; }
-
-    void drop_instructions_flag ()  { flags = (uint16_t) flags & ~WE_HAVE_INSTRUCTIONS; }
-    void set_overlaps_flag ()
-    {
-      flags = (uint16_t) flags | OVERLAP_COMPOUND;
-    }
-
-    bool has_instructions ()  const { return   flags & WE_HAVE_INSTRUCTIONS; }
-
-    bool has_more ()          const { return   flags & MORE_COMPONENTS; }
-    bool is_use_my_metrics () const { return   flags & USE_MY_METRICS; }
-    bool is_anchored ()       const { return !(flags & ARGS_ARE_XY_VALUES); }
-    void get_anchor_points (unsigned int &point1, unsigned int &point2) const
-    {
-      const HBUINT8 *p = &StructAfter<const HBUINT8> (glyphIndex);
-      if (flags & ARG_1_AND_2_ARE_WORDS)
-      {
-	point1 = ((const HBUINT16 *) p)[0];
-	point2 = ((const HBUINT16 *) p)[1];
-      }
-      else
-      {
-	point1 = p[0];
-	point2 = p[1];
-      }
-    }
-
-    void transform_points (contour_point_vector_t &points) const
-    {
-      float matrix[4];
-      contour_point_t trans;
-      if (get_transformation (matrix, trans))
-      {
-	if (scaled_offsets ())
-	{
-	  points.translate (trans);
-	  points.transform (matrix);
-	}
-	else
-	{
-	  points.transform (matrix);
-	  points.translate (trans);
-	}
-      }
-    }
-
-    protected:
-    bool scaled_offsets () const
-    { return (flags & (SCALED_COMPONENT_OFFSET | UNSCALED_COMPONENT_OFFSET)) == SCALED_COMPONENT_OFFSET; }
-
-    bool get_transformation (float (&matrix)[4], contour_point_t &trans) const
-    {
-      matrix[0] = matrix[3] = 1.f;
-      matrix[1] = matrix[2] = 0.f;
-
-      int tx, ty;
-      const HBINT8 *p = &StructAfter<const HBINT8> (glyphIndex);
-      if (flags & ARG_1_AND_2_ARE_WORDS)
-      {
-	tx = *(const HBINT16 *) p;
-	p += HBINT16::static_size;
-	ty = *(const HBINT16 *) p;
-	p += HBINT16::static_size;
-      }
-      else
-      {
-	tx = *p++;
-	ty = *p++;
-      }
-      if (is_anchored ()) tx = ty = 0;
-
-      trans.init ((float) tx, (float) ty);
-
-      {
-	const F2DOT14 *points = (const F2DOT14 *) p;
-	if (flags & WE_HAVE_A_SCALE)
-	{
-	  matrix[0] = matrix[3] = points[0].to_float ();
-	  return true;
-	}
-	else if (flags & WE_HAVE_AN_X_AND_Y_SCALE)
-	{
-	  matrix[0] = points[0].to_float ();
-	  matrix[3] = points[1].to_float ();
-	  return true;
-	}
-	else if (flags & WE_HAVE_A_TWO_BY_TWO)
-	{
-	  matrix[0] = points[0].to_float ();
-	  matrix[1] = points[1].to_float ();
-	  matrix[2] = points[2].to_float ();
-	  matrix[3] = points[3].to_float ();
-	  return true;
-	}
-      }
-      return tx || ty;
-    }
-
-    protected:
-    HBUINT16	flags;
-    HBGlyphID16	glyphIndex;
-    public:
-    DEFINE_SIZE_MIN (4);
-  };
-
-  struct composite_iter_t : hb_iter_with_fallback_t<composite_iter_t, const CompositeGlyphChain &>
-  {
-    typedef const CompositeGlyphChain *__item_t__;
-    composite_iter_t (hb_bytes_t glyph_, __item_t__ current_) :
-        glyph (glyph_), current (nullptr), current_size (0)
-    {
-      set_next (current_);
-    }
-
-    composite_iter_t () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {}
-
-    const CompositeGlyphChain &__item__ () const { return *current; }
-    bool __more__ () const { return current; }
-    void __next__ ()
-    {
-      if (!current->has_more ()) { current = nullptr; return; }
-
-      set_next (&StructAtOffset<CompositeGlyphChain> (current, current_size));
-    }
-    bool operator != (const composite_iter_t& o) const
-    { return glyph != o.glyph || current != o.current; }
-
-
-    void set_next (const CompositeGlyphChain *composite)
-    {
-      if (!glyph.check_range (composite, CompositeGlyphChain::min_size))
-      {
-        current = nullptr;
-        current_size = 0;
-        return;
-      }
-      unsigned size = composite->get_size ();
-      if (!glyph.check_range (composite, size))
-      {
-        current = nullptr;
-        current_size = 0;
-        return;
-      }
-
-      current = composite;
-      current_size = size;
-    }
-
-    private:
-    hb_bytes_t glyph;
-    __item_t__ current;
-    unsigned current_size;
-  };
-
-  enum phantom_point_index_t
-  {
-    PHANTOM_LEFT   = 0,
-    PHANTOM_RIGHT  = 1,
-    PHANTOM_TOP    = 2,
-    PHANTOM_BOTTOM = 3,
-    PHANTOM_COUNT  = 4
-  };
-
-  struct accelerator_t;
-
-  struct Glyph
-  {
-    enum simple_glyph_flag_t
-    {
-      FLAG_ON_CURVE       = 0x01,
-      FLAG_X_SHORT        = 0x02,
-      FLAG_Y_SHORT        = 0x04,
-      FLAG_REPEAT         = 0x08,
-      FLAG_X_SAME         = 0x10,
-      FLAG_Y_SAME         = 0x20,
-      FLAG_OVERLAP_SIMPLE = 0x40,
-      FLAG_RESERVED2      = 0x80
-    };
-
-    private:
-    struct GlyphHeader
-    {
-      bool has_data () const { return numberOfContours; }
-
-      bool get_extents (hb_font_t *font, const accelerator_t &glyf_accelerator,
-		        hb_codepoint_t gid, hb_glyph_extents_t *extents) const
-      {
-	/* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */
-	/* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */
-	extents->x_bearing = font->em_scale_x (glyf_accelerator.hmtx->get_side_bearing (gid));
-	extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax));
-	extents->width     = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax));
-	extents->height    = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax));
-
-	return true;
-      }
-
-      HBINT16	numberOfContours;
-			/* If the number of contours is
-			 * greater than or equal to zero,
-			 * this is a simple glyph; if negative,
-			 * this is a composite glyph. */
-      FWORD	xMin;	/* Minimum x for coordinate data. */
-      FWORD	yMin;	/* Minimum y for coordinate data. */
-      FWORD	xMax;	/* Maximum x for coordinate data. */
-      FWORD	yMax;	/* Maximum y for coordinate data. */
-      public:
-      DEFINE_SIZE_STATIC (10);
-    };
-
-    struct SimpleGlyph
-    {
-      const GlyphHeader &header;
-      hb_bytes_t bytes;
-      SimpleGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) :
-	header (header_), bytes (bytes_) {}
-
-      unsigned int instruction_len_offset () const
-      { return GlyphHeader::static_size + 2 * header.numberOfContours; }
-
-      unsigned int length (unsigned int instruction_len) const
-      { return instruction_len_offset () + 2 + instruction_len; }
-
-      unsigned int instructions_length () const
-      {
-	unsigned int instruction_length_offset = instruction_len_offset ();
-	if (unlikely (instruction_length_offset + 2 > bytes.length)) return 0;
-
-	const HBUINT16 &instructionLength = StructAtOffset<HBUINT16> (&bytes, instruction_length_offset);
-	/* Out of bounds of the current glyph */
-	if (unlikely (length (instructionLength) > bytes.length)) return 0;
-	return instructionLength;
-      }
-
-      const Glyph trim_padding () const
-      {
-	/* based on FontTools _g_l_y_f.py::trim */
-	const uint8_t *glyph = (uint8_t*) bytes.arrayZ;
-	const uint8_t *glyph_end = glyph + bytes.length;
-	/* simple glyph w/contours, possibly trimmable */
-	glyph += instruction_len_offset ();
-
-	if (unlikely (glyph + 2 >= glyph_end)) return Glyph ();
-	unsigned int num_coordinates = StructAtOffset<HBUINT16> (glyph - 2, 0) + 1;
-	unsigned int num_instructions = StructAtOffset<HBUINT16> (glyph, 0);
-
-	glyph += 2 + num_instructions;
-
-	unsigned int coord_bytes = 0;
-	unsigned int coords_with_flags = 0;
-	while (glyph < glyph_end)
-	{
-	  uint8_t flag = *glyph;
-	  glyph++;
-
-	  unsigned int repeat = 1;
-	  if (flag & FLAG_REPEAT)
-	  {
-	    if (unlikely (glyph >= glyph_end)) return Glyph ();
-	    repeat = *glyph + 1;
-	    glyph++;
-	  }
-
-	  unsigned int xBytes, yBytes;
-	  xBytes = yBytes = 0;
-	  if (flag & FLAG_X_SHORT) xBytes = 1;
-	  else if ((flag & FLAG_X_SAME) == 0) xBytes = 2;
-
-	  if (flag & FLAG_Y_SHORT) yBytes = 1;
-	  else if ((flag & FLAG_Y_SAME) == 0) yBytes = 2;
-
-	  coord_bytes += (xBytes + yBytes) * repeat;
-	  coords_with_flags += repeat;
-	  if (coords_with_flags >= num_coordinates) break;
-	}
-
-	if (unlikely (coords_with_flags != num_coordinates)) return Glyph ();
-	return Glyph (bytes.sub_array (0, bytes.length + coord_bytes - (glyph_end - glyph)));
-      }
-
-      /* zero instruction length */
-      void drop_hints ()
-      {
-	GlyphHeader &glyph_header = const_cast<GlyphHeader &> (header);
-	(HBUINT16 &) StructAtOffset<HBUINT16> (&glyph_header, instruction_len_offset ()) = 0;
-      }
-
-      void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const
-      {
-	unsigned int instructions_len = instructions_length ();
-	unsigned int glyph_length = length (instructions_len);
-	dest_start = bytes.sub_array (0, glyph_length - instructions_len);
-	dest_end = bytes.sub_array (glyph_length, bytes.length - glyph_length);
-      }
-
-      void set_overlaps_flag ()
-      {
-        if (unlikely (!header.numberOfContours)) return;
-
-        unsigned flags_offset = length (instructions_length ());
-        if (unlikely (flags_offset + 1 > bytes.length)) return;
-
-	HBUINT8 &first_flag = (HBUINT8 &) StructAtOffset<HBUINT16> (&bytes, flags_offset);
-        first_flag = (uint8_t) first_flag | FLAG_OVERLAP_SIMPLE;
-      }
-
-      static bool read_points (const HBUINT8 *&p /* IN/OUT */,
-			       contour_point_vector_t &points_ /* IN/OUT */,
-			       const hb_bytes_t &bytes,
-			       void (* setter) (contour_point_t &_, float v),
-			       const simple_glyph_flag_t short_flag,
-			       const simple_glyph_flag_t same_flag)
-      {
-	float v = 0;
-	for (unsigned i = 0; i < points_.length; i++)
-	{
-	  uint8_t flag = points_[i].flag;
-	  if (flag & short_flag)
-	  {
-	    if (unlikely (!bytes.check_range (p))) return false;
-	    if (flag & same_flag)
-	      v += *p++;
-	    else
-	      v -= *p++;
-	  }
-	  else
-	  {
-	    if (!(flag & same_flag))
-	    {
-	      if (unlikely (!bytes.check_range ((const HBUINT16 *) p))) return false;
-	      v += *(const HBINT16 *) p;
-	      p += HBINT16::static_size;
-	    }
-	  }
-	  setter (points_[i], v);
-	}
-	return true;
-      }
-
-      bool get_contour_points (contour_point_vector_t &points_ /* OUT */,
-			       bool phantom_only = false) const
-      {
-	const HBUINT16 *endPtsOfContours = &StructAfter<HBUINT16> (header);
-	int num_contours = header.numberOfContours;
-	if (unlikely (!bytes.check_range (&endPtsOfContours[num_contours + 1]))) return false;
-	unsigned int num_points = endPtsOfContours[num_contours - 1] + 1;
-
-	points_.resize (num_points);
-	for (unsigned int i = 0; i < points_.length; i++) points_[i].init ();
-	if (phantom_only) return true;
-
-	for (int i = 0; i < num_contours; i++)
-	  points_[endPtsOfContours[i]].is_end_point = true;
-
-	/* Skip instructions */
-	const HBUINT8 *p = &StructAtOffset<HBUINT8> (&endPtsOfContours[num_contours + 1],
-						     endPtsOfContours[num_contours]);
-
-	/* Read flags */
-	for (unsigned int i = 0; i < num_points; i++)
-	{
-	  if (unlikely (!bytes.check_range (p))) return false;
-	  uint8_t flag = *p++;
-	  points_[i].flag = flag;
-	  if (flag & FLAG_REPEAT)
-	  {
-	    if (unlikely (!bytes.check_range (p))) return false;
-	    unsigned int repeat_count = *p++;
-	    while ((repeat_count-- > 0) && (++i < num_points))
-	      points_[i].flag = flag;
-	  }
-	}
-
-	/* Read x & y coordinates */
-	return read_points (p, points_, bytes, [] (contour_point_t &p, float v) { p.x = v; },
-			    FLAG_X_SHORT, FLAG_X_SAME)
-	    && read_points (p, points_, bytes, [] (contour_point_t &p, float v) { p.y = v; },
-			    FLAG_Y_SHORT, FLAG_Y_SAME);
-      }
-    };
-
-    struct CompositeGlyph
-    {
-      const GlyphHeader &header;
-      hb_bytes_t bytes;
-      CompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) :
-	header (header_), bytes (bytes_) {}
-
-      composite_iter_t get_iterator () const
-      { return composite_iter_t (bytes, &StructAfter<CompositeGlyphChain, GlyphHeader> (header)); }
-
-      unsigned int instructions_length (hb_bytes_t bytes) const
-      {
-	unsigned int start = bytes.length;
-	unsigned int end = bytes.length;
-	const CompositeGlyphChain *last = nullptr;
-	for (auto &item : get_iterator ())
-	  last = &item;
-	if (unlikely (!last)) return 0;
-
-	if (last->has_instructions ())
-	  start = (char *) last - &bytes + last->get_size ();
-	if (unlikely (start > end)) return 0;
-	return end - start;
-      }
-
-      /* Trimming for composites not implemented.
-       * If removing hints it falls out of that. */
-      const Glyph trim_padding () const { return Glyph (bytes); }
-
-      void drop_hints ()
-      {
-	for (const auto &_ : get_iterator ())
-	  const_cast<CompositeGlyphChain &> (_).drop_instructions_flag ();
-      }
-
-      /* Chop instructions off the end */
-      void drop_hints_bytes (hb_bytes_t &dest_start) const
-      { dest_start = bytes.sub_array (0, bytes.length - instructions_length (bytes)); }
-
-      void set_overlaps_flag ()
-      {
-        const_cast<CompositeGlyphChain &> (StructAfter<CompositeGlyphChain, GlyphHeader> (header))
-                .set_overlaps_flag ();
-      }
-    };
-
-    enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE };
-
-    public:
-    composite_iter_t get_composite_iterator () const
-    {
-      if (type != COMPOSITE) return composite_iter_t ();
-      return CompositeGlyph (*header, bytes).get_iterator ();
-    }
-
-    const Glyph trim_padding () const
-    {
-      switch (type) {
-      case COMPOSITE: return CompositeGlyph (*header, bytes).trim_padding ();
-      case SIMPLE:    return SimpleGlyph (*header, bytes).trim_padding ();
-      default:        return bytes;
-      }
-    }
-
-    void drop_hints ()
-    {
-      switch (type) {
-      case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints (); return;
-      case SIMPLE:    SimpleGlyph (*header, bytes).drop_hints (); return;
-      default:        return;
-      }
-    }
-
-    void set_overlaps_flag ()
-    {
-      switch (type) {
-      case COMPOSITE: CompositeGlyph (*header, bytes).set_overlaps_flag (); return;
-      case SIMPLE:    SimpleGlyph (*header, bytes).set_overlaps_flag (); return;
-      default:        return;
-      }
-    }
-
-    void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const
-    {
-      switch (type) {
-      case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints_bytes (dest_start); return;
-      case SIMPLE:    SimpleGlyph (*header, bytes).drop_hints_bytes (dest_start, dest_end); return;
-      default:        return;
-      }
-    }
-
-    /* Note: Recursively calls itself.
-     * all_points includes phantom points
-     */
-    bool get_points (hb_font_t *font, const accelerator_t &glyf_accelerator,
-		     contour_point_vector_t &all_points /* OUT */,
-		     bool phantom_only = false,
-		     unsigned int depth = 0) const
-    {
-      if (unlikely (depth > HB_MAX_NESTING_LEVEL)) return false;
-      contour_point_vector_t points;
-
-      switch (type) {
-      case COMPOSITE:
-      {
-	/* pseudo component points for each component in composite glyph */
-	unsigned num_points = hb_len (CompositeGlyph (*header, bytes).get_iterator ());
-	if (unlikely (!points.resize (num_points))) return false;
-	for (unsigned i = 0; i < points.length; i++)
-	  points[i].init ();
-	break;
-      }
-      case SIMPLE:
-	if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only)))
-	  return false;
-	break;
-      }
-
-      /* Init phantom points */
-      if (unlikely (!points.resize (points.length + PHANTOM_COUNT))) return false;
-      hb_array_t<contour_point_t> phantoms = points.sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT);
-      {
-	for (unsigned i = 0; i < PHANTOM_COUNT; ++i) phantoms[i].init ();
-	int h_delta = (int) header->xMin -
-		      glyf_accelerator.hmtx->get_side_bearing (gid);
-	int v_orig  = (int) header->yMax +
-#ifndef HB_NO_VERTICAL
-		      glyf_accelerator.vmtx->get_side_bearing (gid)
-#else
-		      0
-#endif
-		      ;
-	unsigned h_adv = glyf_accelerator.hmtx->get_advance (gid);
-	unsigned v_adv =
-#ifndef HB_NO_VERTICAL
-			 glyf_accelerator.vmtx->get_advance (gid)
-#else
-			 - font->face->get_upem ()
-#endif
-			 ;
-	phantoms[PHANTOM_LEFT].x = h_delta;
-	phantoms[PHANTOM_RIGHT].x = h_adv + h_delta;
-	phantoms[PHANTOM_TOP].y = v_orig;
-	phantoms[PHANTOM_BOTTOM].y = v_orig - (int) v_adv;
-      }
-
-#ifndef HB_NO_VAR
-      glyf_accelerator.gvar->apply_deltas_to_points (gid, font, points.as_array ());
-#endif
-
-      switch (type) {
-      case SIMPLE:
-	all_points.extend (points.as_array ());
-	break;
-      case COMPOSITE:
-      {
-	unsigned int comp_index = 0;
-	for (auto &item : get_composite_iterator ())
-	{
-	  contour_point_vector_t comp_points;
-	  if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_glyph_index ())
-					 .get_points (font, glyf_accelerator, comp_points,
-			 			      phantom_only, depth + 1)
-			|| comp_points.length < PHANTOM_COUNT))
-	    return false;
-
-	  /* Copy phantom points from component if USE_MY_METRICS flag set */
-	  if (item.is_use_my_metrics ())
-	    for (unsigned int i = 0; i < PHANTOM_COUNT; i++)
-	      phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i];
-
-	  /* Apply component transformation & translation */
-	  item.transform_points (comp_points);
-
-	  /* Apply translation from gvar */
-	  comp_points.translate (points[comp_index]);
-
-	  if (item.is_anchored ())
-	  {
-	    unsigned int p1, p2;
-	    item.get_anchor_points (p1, p2);
-	    if (likely (p1 < all_points.length && p2 < comp_points.length))
-	    {
-	      contour_point_t delta;
-	      delta.init (all_points[p1].x - comp_points[p2].x,
-			  all_points[p1].y - comp_points[p2].y);
-
-	      comp_points.translate (delta);
-	    }
-	  }
-
-	  all_points.extend (comp_points.sub_array (0, comp_points.length - PHANTOM_COUNT));
-
-	  comp_index++;
-	}
-
-	all_points.extend (phantoms);
-      } break;
-      default:
-	all_points.extend (phantoms);
-      }
-
-      if (depth == 0) /* Apply at top level */
-      {
-	/* Undocumented rasterizer behavior:
-	 * Shift points horizontally by the updated left side bearing
-	 */
-	contour_point_t delta;
-	delta.init (-phantoms[PHANTOM_LEFT].x, 0.f);
-	if (delta.x) all_points.translate (delta);
-      }
-
-      return true;
-    }
-
-    bool get_extents (hb_font_t *font, const accelerator_t &glyf_accelerator,
-		      hb_glyph_extents_t *extents) const
-    {
-      if (type == EMPTY) return true; /* Empty glyph; zero extents. */
-      return header->get_extents (font, glyf_accelerator, gid, extents);
-    }
-
-    hb_bytes_t get_bytes () const { return bytes; }
-
-    Glyph (hb_bytes_t bytes_ = hb_bytes_t (),
-	   hb_codepoint_t gid_ = (hb_codepoint_t) -1) : bytes (bytes_), gid (gid_),
-							header (bytes.as<GlyphHeader> ())
-    {
-      int num_contours = header->numberOfContours;
-      if (unlikely (num_contours == 0)) type = EMPTY;
-      else if (num_contours > 0) type = SIMPLE;
-      else type = COMPOSITE; /* negative numbers */
-    }
-
-    protected:
-    hb_bytes_t bytes;
-    hb_codepoint_t gid;
-    const GlyphHeader *header;
-    unsigned type;
-  };
-
-  struct accelerator_t
-  {
-    accelerator_t (hb_face_t *face)
-    {
-      short_offset = false;
-      num_glyphs = 0;
-      loca_table = nullptr;
-      glyf_table = nullptr;
-#ifndef HB_NO_VAR
-      gvar = nullptr;
-#endif
-      hmtx = nullptr;
-#ifndef HB_NO_VERTICAL
-      vmtx = nullptr;
-#endif
-      const OT::head &head = *face->table.head;
-      if (head.indexToLocFormat > 1 || head.glyphDataFormat > 0)
-	/* Unknown format.  Leave num_glyphs=0, that takes care of disabling us. */
-	return;
-      short_offset = 0 == head.indexToLocFormat;
-
-      loca_table = face->table.loca.get_blob (); // Needs no destruct!
-      glyf_table = hb_sanitize_context_t ().reference_table<glyf> (face);
-#ifndef HB_NO_VAR
-      gvar = face->table.gvar;
-#endif
-      hmtx = face->table.hmtx;
-#ifndef HB_NO_VERTICAL
-      vmtx = face->table.vmtx;
-#endif
-
-      num_glyphs = hb_max (1u, loca_table.get_length () / (short_offset ? 2 : 4)) - 1;
-      num_glyphs = hb_min (num_glyphs, face->get_num_glyphs ());
-    }
-    ~accelerator_t ()
-    {
-      glyf_table.destroy ();
-    }
-
-    protected:
-    template<typename T>
-    bool get_points (hb_font_t *font, hb_codepoint_t gid, T consumer) const
-    {
-      if (gid >= num_glyphs) return false;
-
-      /* Making this allocfree is not that easy
-	 https://github.com/harfbuzz/harfbuzz/issues/2095
-	 mostly because of gvar handling in VF fonts,
-	 perhaps a separate path for non-VF fonts can be considered */
-      contour_point_vector_t all_points;
-
-      bool phantom_only = !consumer.is_consuming_contour_points ();
-      if (unlikely (!glyph_for_gid (gid).get_points (font, *this, all_points, phantom_only)))
-	return false;
-
-      if (consumer.is_consuming_contour_points ())
-      {
-	for (unsigned point_index = 0; point_index + 4 < all_points.length; ++point_index)
-	  consumer.consume_point (all_points[point_index]);
-	consumer.points_end ();
-      }
-
-      /* Where to write phantoms, nullptr if not requested */
-      contour_point_t *phantoms = consumer.get_phantoms_sink ();
-      if (phantoms)
-	for (unsigned i = 0; i < PHANTOM_COUNT; ++i)
-	  phantoms[i] = all_points[all_points.length - PHANTOM_COUNT + i];
-
-      return true;
-    }
-
-#ifndef HB_NO_VAR
-    struct points_aggregator_t
-    {
-      hb_font_t *font;
-      hb_glyph_extents_t *extents;
-      contour_point_t *phantoms;
-
-      struct contour_bounds_t
-      {
-	contour_bounds_t () { min_x = min_y = FLT_MAX; max_x = max_y = -FLT_MAX; }
-
-	void add (const contour_point_t &p)
-	{
-	  min_x = hb_min (min_x, p.x);
-	  min_y = hb_min (min_y, p.y);
-	  max_x = hb_max (max_x, p.x);
-	  max_y = hb_max (max_y, p.y);
-	}
-
-	bool empty () const { return (min_x >= max_x) || (min_y >= max_y); }
-
-	void get_extents (hb_font_t *font, hb_glyph_extents_t *extents)
-	{
-	  if (unlikely (empty ()))
-	  {
-	    extents->width = 0;
-	    extents->x_bearing = 0;
-	    extents->height = 0;
-	    extents->y_bearing = 0;
-	    return;
-	  }
-	  extents->x_bearing = font->em_scalef_x (min_x);
-	  extents->width = font->em_scalef_x (max_x) - extents->x_bearing;
-	  extents->y_bearing = font->em_scalef_y (max_y);
-	  extents->height = font->em_scalef_y (min_y) - extents->y_bearing;
-	}
-
-	protected:
-	float min_x, min_y, max_x, max_y;
-      } bounds;
-
-      points_aggregator_t (hb_font_t *font_, hb_glyph_extents_t *extents_, contour_point_t *phantoms_)
-      {
-	font = font_;
-	extents = extents_;
-	phantoms = phantoms_;
-	if (extents) bounds = contour_bounds_t ();
-      }
-
-      void consume_point (const contour_point_t &point) { bounds.add (point); }
-      void points_end () { bounds.get_extents (font, extents); }
-
-      bool is_consuming_contour_points () { return extents; }
-      contour_point_t *get_phantoms_sink () { return phantoms; }
-    };
-
-    public:
-    unsigned
-    get_advance_var (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const
-    {
-      if (unlikely (gid >= num_glyphs)) return 0;
-
-      bool success = false;
-
-      contour_point_t phantoms[PHANTOM_COUNT];
-      if (likely (font->num_coords == gvar->get_axis_count ()))
-	success = get_points (font, gid, points_aggregator_t (font, nullptr, phantoms));
-
-      if (unlikely (!success))
-	return
-#ifndef HB_NO_VERTICAL
-	  is_vertical ? vmtx->get_advance (gid) :
-#endif
-	  hmtx->get_advance (gid);
-
-      float result = is_vertical
-		   ? phantoms[PHANTOM_TOP].y - phantoms[PHANTOM_BOTTOM].y
-		   : phantoms[PHANTOM_RIGHT].x - phantoms[PHANTOM_LEFT].x;
-      return hb_clamp (roundf (result), 0.f, (float) UINT_MAX / 2);
-    }
-
-    int get_side_bearing_var (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const
-    {
-      if (unlikely (gid >= num_glyphs)) return 0;
-
-      hb_glyph_extents_t extents;
-
-      contour_point_t phantoms[PHANTOM_COUNT];
-      if (unlikely (!get_points (font, gid, points_aggregator_t (font, &extents, phantoms))))
-	return
-#ifndef HB_NO_VERTICAL
-	  is_vertical ? vmtx->get_side_bearing (gid) :
-#endif
-	  hmtx->get_side_bearing (gid);
-
-      return is_vertical
-	   ? ceilf (phantoms[PHANTOM_TOP].y) - extents.y_bearing
-	   : floorf (phantoms[PHANTOM_LEFT].x);
-    }
-#endif
-
-    public:
-    bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const
-    {
-      if (unlikely (gid >= num_glyphs)) return false;
-
-#ifndef HB_NO_VAR
-      if (font->num_coords && font->num_coords == gvar->get_axis_count ())
-	return get_points (font, gid, points_aggregator_t (font, extents, nullptr));
-#endif
-      return glyph_for_gid (gid).get_extents (font, *this, extents);
-    }
-
-    const Glyph
-    glyph_for_gid (hb_codepoint_t gid, bool needs_padding_removal = false) const
-    {
-      if (unlikely (gid >= num_glyphs)) return Glyph ();
-
-      unsigned int start_offset, end_offset;
-
-      if (short_offset)
-      {
-	const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataZ.arrayZ;
-	start_offset = 2 * offsets[gid];
-	end_offset   = 2 * offsets[gid + 1];
-      }
-      else
-      {
-	const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataZ.arrayZ;
-	start_offset = offsets[gid];
-	end_offset   = offsets[gid + 1];
-      }
-
-      if (unlikely (start_offset > end_offset || end_offset > glyf_table.get_length ()))
-	return Glyph ();
-
-      Glyph glyph (hb_bytes_t ((const char *) this->glyf_table + start_offset,
-			       end_offset - start_offset), gid);
-      return needs_padding_removal ? glyph.trim_padding () : glyph;
-    }
-
-    unsigned
-    add_gid_and_children (hb_codepoint_t gid,
-			  hb_set_t *gids_to_retain,
-			  unsigned depth = 0,
-			  unsigned operation_count = 0) const
-    {
-      if (unlikely (depth++ > HB_MAX_NESTING_LEVEL)) return operation_count;
-      if (unlikely (operation_count++ > HB_MAX_COMPOSITE_OPERATIONS)) return operation_count;
-      /* Check if is already visited */
-      if (gids_to_retain->has (gid)) return operation_count;
-
-      gids_to_retain->add (gid);
-
-      auto it = glyph_for_gid (gid).get_composite_iterator ();
-      while (it)
-      {
-        auto item = *(it++);
-        operation_count =
-            add_gid_and_children (item.get_glyph_index (), gids_to_retain, depth, operation_count);
-      }
-
-      return operation_count;
-    }
-
-    struct path_builder_t
-    {
-      hb_font_t *font;
-      hb_draw_session_t *draw_session;
-
-      struct optional_point_t
-      {
-	optional_point_t () { has_data = false; }
-	optional_point_t (float x_, float y_) { x = x_; y = y_; has_data = true; }
-
-	bool has_data;
-	float x;
-	float y;
-
-	optional_point_t lerp (optional_point_t p, float t)
-	{ return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); }
-      } first_oncurve, first_offcurve, last_offcurve;
-
-      path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_)
-      {
-	font = font_;
-	draw_session = &draw_session_;
-	first_oncurve = first_offcurve = last_offcurve = optional_point_t ();
-      }
-
-      /* based on https://github.com/RazrFalcon/ttf-parser/blob/4f32821/src/glyf.rs#L287
-	 See also:
-	 * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM01/Chap1.html
-	 * https://stackoverflow.com/a/20772557 */
-      void consume_point (const contour_point_t &point)
-      {
-	bool is_on_curve = point.flag & Glyph::FLAG_ON_CURVE;
-	optional_point_t p (point.x, point.y);
-	if (!first_oncurve.has_data)
-	{
-	  if (is_on_curve)
-	  {
-	    first_oncurve = p;
-	    draw_session->move_to (font->em_fscalef_x (p.x), font->em_fscalef_y (p.y));
-	  }
-	  else
-	  {
-	    if (first_offcurve.has_data)
-	    {
-	      optional_point_t mid = first_offcurve.lerp (p, .5f);
-	      first_oncurve = mid;
-	      last_offcurve = p;
-	      draw_session->move_to (font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y));
-	    }
-	    else
-	      first_offcurve = p;
-	  }
-	}
-	else
-	{
-	  if (last_offcurve.has_data)
-	  {
-	    if (is_on_curve)
-	    {
-	      draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y),
-					 font->em_fscalef_x (p.x), font->em_fscalef_y (p.y));
-	      last_offcurve = optional_point_t ();
-	    }
-	    else
-	    {
-	      optional_point_t mid = last_offcurve.lerp (p, .5f);
-	      draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y),
-					 font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y));
-	      last_offcurve = p;
-	    }
-	  }
-	  else
-	  {
-	    if (is_on_curve)
-	      draw_session->line_to (font->em_fscalef_x (p.x), font->em_fscalef_y (p.y));
-	    else
-	      last_offcurve = p;
-	  }
-	}
-
-	if (point.is_end_point)
-	{
-	  if (first_offcurve.has_data && last_offcurve.has_data)
-	  {
-	    optional_point_t mid = last_offcurve.lerp (first_offcurve, .5f);
-	    draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y),
-				       font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y));
-	    last_offcurve = optional_point_t ();
-	    /* now check the rest */
-	  }
-
-	  if (first_offcurve.has_data && first_oncurve.has_data)
-	    draw_session->quadratic_to (font->em_fscalef_x (first_offcurve.x), font->em_fscalef_y (first_offcurve.y),
-				       font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y));
-	  else if (last_offcurve.has_data && first_oncurve.has_data)
-	    draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y),
-				       font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y));
-	  else if (first_oncurve.has_data)
-	    draw_session->line_to (font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y));
-	  else if (first_offcurve.has_data)
-	  {
-	    float x = font->em_fscalef_x (first_offcurve.x), y = font->em_fscalef_x (first_offcurve.y);
-	    draw_session->move_to (x, y);
-	    draw_session->quadratic_to (x, y, x, y);
-	  }
-
-	  /* Getting ready for the next contour */
-	  first_oncurve = first_offcurve = last_offcurve = optional_point_t ();
-	  draw_session->close_path ();
-	}
-      }
-      void points_end () {}
-
-      bool is_consuming_contour_points () { return true; }
-      contour_point_t *get_phantoms_sink () { return nullptr; }
-    };
-
-    bool
-    get_path (hb_font_t *font, hb_codepoint_t gid, hb_draw_session_t &draw_session) const
-    { return get_points (font, gid, path_builder_t (font, draw_session)); }
-
-#ifndef HB_NO_VAR
-    const gvar_accelerator_t *gvar;
-#endif
-    const hmtx_accelerator_t *hmtx;
-#ifndef HB_NO_VERTICAL
-    const vmtx_accelerator_t *vmtx;
-#endif
-
-    private:
-    bool short_offset;
-    unsigned int num_glyphs;
-    hb_blob_ptr_t<loca> loca_table;
-    hb_blob_ptr_t<glyf> glyf_table;
-  };
-
-  struct SubsetGlyph
-  {
-    hb_codepoint_t new_gid;
-    hb_codepoint_t old_gid;
-    Glyph source_glyph;
-    hb_bytes_t dest_start;  /* region of source_glyph to copy first */
-    hb_bytes_t dest_end;    /* region of source_glyph to copy second */
-
-    bool serialize (hb_serialize_context_t *c,
-                    bool use_short_loca,
-		    const hb_subset_plan_t *plan) const
-    {
-      TRACE_SERIALIZE (this);
-
-      hb_bytes_t dest_glyph = dest_start.copy (c);
-      dest_glyph = hb_bytes_t (&dest_glyph, dest_glyph.length + dest_end.copy (c).length);
-      unsigned int pad_length = use_short_loca ? padding () : 0;
-      DEBUG_MSG (SUBSET, nullptr, "serialize %d byte glyph, width %d pad %d", dest_glyph.length, dest_glyph.length + pad_length, pad_length);
-
-      HBUINT8 pad;
-      pad = 0;
-      while (pad_length > 0)
-      {
-	c->embed (pad);
-	pad_length--;
-      }
-
-      if (unlikely (!dest_glyph.length)) return_trace (true);
-
-      /* update components gids */
-      for (auto &_ : Glyph (dest_glyph).get_composite_iterator ())
-      {
-	hb_codepoint_t new_gid;
-	if (plan->new_gid_for_old_gid (_.get_glyph_index (), &new_gid))
-	  const_cast<CompositeGlyphChain &> (_).set_glyph_index (new_gid);
-      }
-
-      if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
-        Glyph (dest_glyph).drop_hints ();
-
-      if (plan->flags & HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG)
-        Glyph (dest_glyph).set_overlaps_flag ();
-
-      return_trace (true);
-    }
-
-    void drop_hints_bytes ()
-    { source_glyph.drop_hints_bytes (dest_start, dest_end); }
-
-    unsigned int      length () const { return dest_start.length + dest_end.length; }
-    /* pad to 2 to ensure 2-byte loca will be ok */
-    unsigned int     padding () const { return length () % 2; }
-    unsigned int padded_size () const { return length () + padding (); }
-  };
-
-  protected:
-  UnsizedArrayOf<HBUINT8>
-		dataZ;	/* Glyphs data. */
-  public:
-  DEFINE_SIZE_MIN (0);	/* In reality, this is UNBOUNDED() type; but since we always
-			 * check the size externally, allow Null() object of it by
-			 * defining it _MIN instead. */
-};
-
-struct glyf_accelerator_t : glyf::accelerator_t {
-  glyf_accelerator_t (hb_face_t *face) : glyf::accelerator_t (face) {}
-};
-
-
-} /* namespace OT */
-
+#include "OT/glyf/glyf.hh"
 
 #endif /* HB_OT_GLYF_TABLE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh
index d5e1fc91d2..96a394ba42 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh
@@ -43,11 +43,11 @@
 #define HB_OT_TAG_vmtx HB_TAG('v','m','t','x')
 
 
-HB_INTERNAL int
-_glyf_get_side_bearing_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical);
+HB_INTERNAL bool
+_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical, int *lsb);
 
 HB_INTERNAL unsigned
-_glyf_get_advance_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical);
+_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical);
 
 
 namespace OT {
@@ -62,7 +62,7 @@ struct LongMetric
 };
 
 
-template <typename T, typename H>
+template <typename T/*Data table type*/, typename H/*Header table type*/, typename V/*Var table type*/>
 struct hmtxvmtx
 {
   bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const
@@ -73,6 +73,8 @@ struct hmtxvmtx
     return_trace (true);
   }
 
+  const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>>* get_mtx_map (const hb_subset_plan_t *plan) const
+  { return T::is_horizontal ? plan->hmtx_map : plan->vmtx_map; }
 
   bool subset_update_header (hb_subset_plan_t *plan,
 			     unsigned int num_hmetrics) const
@@ -130,14 +132,15 @@ struct hmtxvmtx
 
     accelerator_t _mtx (c->plan->source);
     unsigned num_long_metrics;
+    const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *mtx_map = get_mtx_map (c->plan);
     {
       /* Determine num_long_metrics to encode. */
       auto& plan = c->plan;
+
       num_long_metrics = plan->num_output_glyphs ();
-      hb_codepoint_t old_gid = 0;
-      unsigned int last_advance = plan->old_gid_for_new_gid (num_long_metrics - 1, &old_gid) ? _mtx.get_advance (old_gid) : 0;
+      unsigned int last_advance = get_new_gid_advance_unscaled (plan, mtx_map, num_long_metrics - 1, _mtx);
       while (num_long_metrics > 1 &&
-	     last_advance == (plan->old_gid_for_new_gid (num_long_metrics - 2, &old_gid) ? _mtx.get_advance (old_gid) : 0))
+	     last_advance == get_new_gid_advance_unscaled (plan, mtx_map, num_long_metrics - 2, _mtx))
       {
 	num_long_metrics--;
       }
@@ -145,12 +148,18 @@ struct hmtxvmtx
 
     auto it =
     + hb_range (c->plan->num_output_glyphs ())
-    | hb_map ([c, &_mtx] (unsigned _)
+    | hb_map ([c, &_mtx, mtx_map] (unsigned _)
 	      {
-		hb_codepoint_t old_gid;
-		if (!c->plan->old_gid_for_new_gid (_, &old_gid))
-		  return hb_pair (0u, 0);
-		return hb_pair (_mtx.get_advance (old_gid), _mtx.get_side_bearing (old_gid));
+		if (!mtx_map->has (_))
+		{
+		  hb_codepoint_t old_gid;
+		  if (!c->plan->old_gid_for_new_gid (_, &old_gid))
+		    return hb_pair (0u, 0);
+		  int lsb = 0;
+		  (void) _mtx.get_leading_bearing_without_var_unscaled (old_gid, &lsb);
+		  return hb_pair (_mtx.get_advance_without_var_unscaled (old_gid), +lsb);
+		}
+		return mtx_map->get (_);
 	      })
     ;
 
@@ -173,7 +182,7 @@ struct hmtxvmtx
     accelerator_t (hb_face_t *face)
     {
       table = hb_sanitize_context_t ().reference_table<hmtxvmtx> (face, T::tableTag);
-      var_table = hb_sanitize_context_t ().reference_table<HVARVVAR> (face, T::variationsTag);
+      var_table = hb_sanitize_context_t ().reference_table<V> (face, T::variationsTag);
 
       default_advance = T::is_horizontal ? hb_face_get_upem (face) / 2 : hb_face_get_upem (face);
 
@@ -221,36 +230,46 @@ struct hmtxvmtx
 
     bool has_data () const { return (bool) num_bearings; }
 
-    int get_side_bearing (hb_codepoint_t glyph) const
+    bool get_leading_bearing_without_var_unscaled (hb_codepoint_t glyph,
+						   int *lsb) const
     {
       if (glyph < num_long_metrics)
-	return table->longMetricZ[glyph].sb;
+      {
+	*lsb = table->longMetricZ[glyph].sb;
+	return true;
+      }
 
       if (unlikely (glyph >= num_bearings))
-	return 0;
+	return false;
 
       const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_long_metrics];
-      return bearings[glyph - num_long_metrics];
+      *lsb = bearings[glyph - num_long_metrics];
+      return true;
     }
 
-    int get_side_bearing (hb_font_t *font, hb_codepoint_t glyph) const
+    bool get_leading_bearing_with_var_unscaled (hb_font_t *font,
+						hb_codepoint_t glyph,
+						int *lsb) const
     {
-      int side_bearing = get_side_bearing (glyph);
+      if (!font->num_coords)
+	return get_leading_bearing_without_var_unscaled (glyph, lsb);
 
 #ifndef HB_NO_VAR
-      if (unlikely (glyph >= num_bearings) || !font->num_coords)
-	return side_bearing;
-
-      if (var_table.get_length ())
-	return side_bearing + var_table->get_side_bearing_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
+      float delta;
+      if (var_table->get_lsb_delta_unscaled (glyph, font->coords, font->num_coords, &delta) &&
+	  get_leading_bearing_without_var_unscaled (glyph, lsb))
+      {
+	*lsb += roundf (delta);
+	return true;
+      }
 
-      return _glyf_get_side_bearing_var (font, glyph, T::tableTag == HB_OT_TAG_vmtx);
+      return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx, lsb);
 #else
-      return side_bearing;
+      return false;
 #endif
     }
 
-    unsigned int get_advance (hb_codepoint_t glyph) const
+    unsigned int get_advance_without_var_unscaled (hb_codepoint_t glyph) const
     {
       /* OpenType case. */
       if (glyph < num_bearings)
@@ -262,7 +281,7 @@ struct hmtxvmtx
       if (unlikely (!num_advances))
 	return default_advance;
 
-#ifdef HB_NO_BORING_EXPANSION
+#ifdef HB_NO_BEYOND_64K
       return 0;
 #endif
 
@@ -275,7 +294,7 @@ struct hmtxvmtx
       /* TODO Optimize */
 
       if (num_bearings == num_advances)
-        return get_advance (num_bearings - 1);
+        return get_advance_without_var_unscaled (num_bearings - 1);
 
       const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_long_metrics];
       const UFWORD *advances = (const UFWORD *) &bearings[num_bearings - num_long_metrics];
@@ -283,19 +302,22 @@ struct hmtxvmtx
       return advances[hb_min (glyph - num_bearings, num_advances - num_bearings - 1)];
     }
 
-    unsigned int get_advance (hb_codepoint_t  glyph,
-			      hb_font_t      *font) const
+    unsigned get_advance_with_var_unscaled (hb_codepoint_t  glyph,
+					    hb_font_t      *font,
+					    VariationStore::cache_t *store_cache = nullptr) const
     {
-      unsigned int advance = get_advance (glyph);
+      unsigned int advance = get_advance_without_var_unscaled (glyph);
 
 #ifndef HB_NO_VAR
       if (unlikely (glyph >= num_bearings) || !font->num_coords)
 	return advance;
 
       if (var_table.get_length ())
-	return advance + roundf (var_table->get_advance_var (glyph, font)); // TODO Optimize?!
+	return advance + roundf (var_table->get_advance_delta_unscaled (glyph,
+									font->coords, font->num_coords,
+									store_cache)); // TODO Optimize?!
 
-      return _glyf_get_advance_var (font, glyph, T::tableTag == HB_OT_TAG_vmtx);
+      return _glyf_get_advance_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx);
 #else
       return advance;
 #endif
@@ -310,11 +332,29 @@ struct hmtxvmtx
 
     unsigned int default_advance;
 
-    private:
+    public:
     hb_blob_ptr_t<hmtxvmtx> table;
-    hb_blob_ptr_t<HVARVVAR> var_table;
+    hb_blob_ptr_t<V> var_table;
   };
 
+  /* get advance: when no variations, call get_advance_without_var_unscaled.
+   * when there're variations, get advance value from mtx_map in subset_plan*/
+  unsigned get_new_gid_advance_unscaled (const hb_subset_plan_t *plan,
+                                         const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *mtx_map,
+                                         unsigned new_gid,
+                                         const accelerator_t &_mtx) const
+  {
+    if (mtx_map->is_empty () ||
+        (new_gid == 0 && !mtx_map->has (new_gid)))
+    {
+      hb_codepoint_t old_gid = 0;
+      return plan->old_gid_for_new_gid (new_gid, &old_gid) ?
+             _mtx.get_advance_without_var_unscaled (old_gid) : 0;
+    }
+    else
+    { return mtx_map->get (new_gid).first; }
+  }
+
   protected:
   UnsizedArrayOf<LongMetric>
 		longMetricZ;	/* Paired advance width and leading
@@ -345,12 +385,12 @@ struct hmtxvmtx
   DEFINE_SIZE_ARRAY (0, longMetricZ);
 };
 
-struct hmtx : hmtxvmtx<hmtx, hhea> {
+struct hmtx : hmtxvmtx<hmtx, hhea, HVAR> {
   static constexpr hb_tag_t tableTag = HB_OT_TAG_hmtx;
   static constexpr hb_tag_t variationsTag = HB_OT_TAG_HVAR;
   static constexpr bool is_horizontal = true;
 };
-struct vmtx : hmtxvmtx<vmtx, vhea> {
+struct vmtx : hmtxvmtx<vmtx, vhea, VVAR> {
   static constexpr hb_tag_t tableTag = HB_OT_TAG_vmtx;
   static constexpr hb_tag_t variationsTag = HB_OT_TAG_VVAR;
   static constexpr bool is_horizontal = false;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh
index 1b9dfcd3f5..8179e5acd5 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh
@@ -49,7 +49,7 @@ struct BaseCoordFormat1
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh
index f2a58028e3..0f424f5aa6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh
@@ -35,6 +35,14 @@
 #include "hb-set.hh"
 #include "hb-bimap.hh"
 
+#include "OT/Layout/Common/Coverage.hh"
+#include "OT/Layout/types.hh"
+
+// TODO(garretrieger): cleanup these after migration.
+using OT::Layout::Common::Coverage;
+using OT::Layout::Common::RangeRecord;
+using OT::Layout::SmallTypes;
+using OT::Layout::MediumTypes;
 
 #ifndef HB_MAX_NESTING_LEVEL
 #define HB_MAX_NESTING_LEVEL	64
@@ -46,10 +54,10 @@
 /*
  * The maximum number of times a lookup can be applied during shaping.
  * Used to limit the number of iterations of the closure algorithm.
- * This must be larger than the number of times add_pause() is
+ * This must be larger than the number of times add_gsub_pause() is
  * called in a collect_features call of any shaper.
  */
-#define HB_CLOSURE_MAX_STAGES	32
+#define HB_CLOSURE_MAX_STAGES	12
 #endif
 
 #ifndef HB_MAX_SCRIPTS
@@ -64,10 +72,6 @@
 #define HB_MAX_LANGSYS_FEATURE_COUNT 50000
 #endif
 
-#ifndef HB_MAX_FEATURES
-#define HB_MAX_FEATURES 750
-#endif
-
 #ifndef HB_MAX_FEATURE_INDICES
 #define HB_MAX_FEATURE_INDICES	1500
 #endif
@@ -79,30 +83,35 @@
 
 namespace OT {
 
-
-#define NOT_COVERED		((unsigned int) -1)
-
-
 template<typename Iterator>
-static inline void Coverage_serialize (hb_serialize_context_t *c,
+static inline bool ClassDef_serialize (hb_serialize_context_t *c,
 				       Iterator it);
 
-template<typename Iterator>
-static inline void ClassDef_serialize (hb_serialize_context_t *c,
-				       Iterator it);
-
-static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
-					  const hb_map_t &gid_klass_map,
-					  hb_sorted_vector_t<HBGlyphID16> &glyphs,
-					  const hb_set_t &klasses,
-					  bool use_class_zero,
-					  hb_map_t *klass_map /*INOUT*/);
+static bool ClassDef_remap_and_serialize (
+    hb_serialize_context_t *c,
+    const hb_set_t &klasses,
+    bool use_class_zero,
+    hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> &glyph_and_klass, /* IN/OUT */
+    hb_map_t *klass_map /*IN/OUT*/);
 
+struct hb_collect_feature_substitutes_with_var_context_t
+{
+  const hb_map_t *axes_index_tag_map;
+  const hb_hashmap_t<hb_tag_t, int> *axes_location;
+  hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *record_cond_idx_map;
+  hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map;
+
+  // not stored in subset_plan
+  hb_set_t *feature_indices;
+  bool apply;
+  unsigned cur_record_idx;
+  hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> *conditionset_map;
+};
 
 struct hb_prune_langsys_context_t
 {
   hb_prune_langsys_context_t (const void         *table_,
-                              hb_hashmap_t<unsigned, hb_set_t *> *script_langsys_map_,
+                              hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *script_langsys_map_,
                               const hb_map_t     *duplicate_feature_map_,
                               hb_set_t           *new_collected_feature_indexes_)
       :table (table_),
@@ -122,7 +131,7 @@ struct hb_prune_langsys_context_t
 
   public:
   const void *table;
-  hb_hashmap_t<unsigned, hb_set_t *> *script_langsys_map;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *script_langsys_map;
   const hb_map_t     *duplicate_feature_map;
   hb_set_t           *new_feature_indexes;
 
@@ -162,26 +171,42 @@ struct hb_subset_layout_context_t :
   hb_subset_context_t *subset_context;
   const hb_tag_t table_tag;
   const hb_map_t *lookup_index_map;
-  const hb_hashmap_t<unsigned, hb_set_t *> *script_langsys_map;
+  const hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *script_langsys_map;
   const hb_map_t *feature_index_map;
+  const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map;
+  hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map;
+
   unsigned cur_script_index;
+  unsigned cur_feature_var_record_idx;
 
   hb_subset_layout_context_t (hb_subset_context_t *c_,
-			      hb_tag_t tag_,
-			      hb_map_t *lookup_map_,
-			      hb_hashmap_t<unsigned, hb_set_t *> *script_langsys_map_,
-			      hb_map_t *feature_index_map_) :
+			      hb_tag_t tag_) :
 				subset_context (c_),
 				table_tag (tag_),
-				lookup_index_map (lookup_map_),
-				script_langsys_map (script_langsys_map_),
-				feature_index_map (feature_index_map_),
 				cur_script_index (0xFFFFu),
+				cur_feature_var_record_idx (0u),
 				script_count (0),
 				langsys_count (0),
 				feature_index_count (0),
 				lookup_index_count (0)
-  {}
+  {
+    if (tag_ == HB_OT_TAG_GSUB)
+    {
+      lookup_index_map = c_->plan->gsub_lookups;
+      script_langsys_map = c_->plan->gsub_langsys;
+      feature_index_map = c_->plan->gsub_features;
+      feature_substitutes_map = c_->plan->gsub_feature_substitutes_map;
+      feature_record_cond_idx_map = c_->plan->user_axes_location->is_empty () ? nullptr : c_->plan->gsub_feature_record_cond_idx_map;
+    }
+    else
+    {
+      lookup_index_map = c_->plan->gpos_lookups;
+      script_langsys_map = c_->plan->gpos_langsys;
+      feature_index_map = c_->plan->gpos_features;
+      feature_substitutes_map = c_->plan->gpos_feature_substitutes_map;
+      feature_record_cond_idx_map = c_->plan->user_axes_location->is_empty () ? nullptr : c_->plan->gpos_feature_record_cond_idx_map;
+    }
+  }
 
   private:
   unsigned script_count;
@@ -190,6 +215,7 @@ struct hb_subset_layout_context_t :
   unsigned lookup_index_count;
 };
 
+struct VariationStore;
 struct hb_collect_variation_indices_context_t :
        hb_dispatch_context_t<hb_collect_variation_indices_context_t>
 {
@@ -198,15 +224,27 @@ struct hb_collect_variation_indices_context_t :
   static return_t default_return_value () { return hb_empty_t (); }
 
   hb_set_t *layout_variation_indices;
+  hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *varidx_delta_map;
+  hb_font_t *font;
+  const VariationStore *var_store;
   const hb_set_t *glyph_set;
   const hb_map_t *gpos_lookups;
+  float *store_cache;
 
   hb_collect_variation_indices_context_t (hb_set_t *layout_variation_indices_,
+					  hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *varidx_delta_map_,
+					  hb_font_t *font_,
+					  const VariationStore *var_store_,
 					  const hb_set_t *glyph_set_,
-					  const hb_map_t *gpos_lookups_) :
+					  const hb_map_t *gpos_lookups_,
+					  float *store_cache_) :
 					layout_variation_indices (layout_variation_indices_),
+					varidx_delta_map (varidx_delta_map_),
+					font (font_),
+					var_store (var_store_),
 					glyph_set (glyph_set_),
-					gpos_lookups (gpos_lookups_) {}
+					gpos_lookups (gpos_lookups_),
+					store_cache (store_cache_) {}
 };
 
 template<typename OutputArray>
@@ -315,6 +353,31 @@ struct subset_record_array_t
   const void *base;
 };
 
+template<typename OutputArray, typename Arg>
+struct subset_record_array_arg_t
+{
+  subset_record_array_arg_t (hb_subset_layout_context_t *c_, OutputArray* out_,
+			     const void *base_,
+			     Arg &&arg_) : subset_layout_context (c_),
+					   out (out_), base (base_), arg (arg_) {}
+
+  template <typename T>
+  void
+  operator () (T&& record)
+  {
+    auto snap = subset_layout_context->subset_context->serializer->snapshot ();
+    bool ret = record.subset (subset_layout_context, base, arg);
+    if (!ret) subset_layout_context->subset_context->serializer->revert (snap);
+    else out->len++;
+  }
+
+  private:
+  hb_subset_layout_context_t *subset_layout_context;
+  OutputArray *out;
+  const void *base;
+  Arg &&arg;
+};
+
 /*
  * Helper to subset a RecordList/record array. Subsets each Record in the array and
  * discards the record if the subset operation returns false.
@@ -326,6 +389,13 @@ struct
   operator () (hb_subset_layout_context_t *c, OutputArray* out,
 	       const void *base) const
   { return subset_record_array_t<OutputArray> (c, out, base); }
+
+  /* Variant with one extra argument passed to subset */
+  template<typename OutputArray, typename Arg>
+  subset_record_array_arg_t<OutputArray, Arg>
+  operator () (hb_subset_layout_context_t *c, OutputArray* out,
+               const void *base, Arg &&arg) const
+  { return subset_record_array_arg_t<OutputArray, Arg> (c, out, base, arg); }
 }
 HB_FUNCOBJ (subset_record_array);
 
@@ -377,166 +447,6 @@ HB_FUNCOBJ (serialize_math_record_array);
  * Script, ScriptList, LangSys, Feature, FeatureList, Lookup, LookupList
  */
 
-struct Record_sanitize_closure_t {
-  hb_tag_t tag;
-  const void *list_base;
-};
-
-template <typename Type>
-struct Record
-{
-  int cmp (hb_tag_t a) const { return tag.cmp (a); }
-
-  bool subset (hb_subset_layout_context_t *c, const void *base) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->subset_context->serializer->embed (this);
-    if (unlikely (!out)) return_trace (false);
-    bool ret = out->offset.serialize_subset (c->subset_context, offset, base, c, &tag);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c, const void *base) const
-  {
-    TRACE_SANITIZE (this);
-    const Record_sanitize_closure_t closure = {tag, base};
-    return_trace (c->check_struct (this) && offset.sanitize (c, base, &closure));
-  }
-
-  Tag		tag;		/* 4-byte Tag identifier */
-  Offset16To<Type>
-		offset;		/* Offset from beginning of object holding
-				 * the Record */
-  public:
-  DEFINE_SIZE_STATIC (6);
-};
-
-template <typename Type>
-struct RecordArrayOf : SortedArray16Of<Record<Type>>
-{
-  const Offset16To<Type>& get_offset (unsigned int i) const
-  { return (*this)[i].offset; }
-  Offset16To<Type>& get_offset (unsigned int i)
-  { return (*this)[i].offset; }
-  const Tag& get_tag (unsigned int i) const
-  { return (*this)[i].tag; }
-  unsigned int get_tags (unsigned int start_offset,
-			 unsigned int *record_count /* IN/OUT */,
-			 hb_tag_t     *record_tags /* OUT */) const
-  {
-    if (record_count)
-    {
-      + this->sub_array (start_offset, record_count)
-      | hb_map (&Record<Type>::tag)
-      | hb_sink (hb_array (record_tags, *record_count))
-      ;
-    }
-    return this->len;
-  }
-  bool find_index (hb_tag_t tag, unsigned int *index) const
-  {
-    return this->bfind (tag, index, HB_NOT_FOUND_STORE, Index::NOT_FOUND_INDEX);
-  }
-};
-
-template <typename Type>
-struct RecordListOf : RecordArrayOf<Type>
-{
-  const Type& operator [] (unsigned int i) const
-  { return this+this->get_offset (i); }
-
-  bool subset (hb_subset_context_t *c,
-	       hb_subset_layout_context_t *l) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-
-    + this->iter ()
-    | hb_apply (subset_record_array (l, out, this))
-    ;
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (RecordArrayOf<Type>::sanitize (c, this));
-  }
-};
-
-struct Feature;
-
-struct RecordListOfFeature : RecordListOf<Feature>
-{
-  bool subset (hb_subset_context_t *c,
-	       hb_subset_layout_context_t *l) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
-
-    unsigned count = this->len;
-    + hb_zip (*this, hb_range (count))
-    | hb_filter (l->feature_index_map, hb_second)
-    | hb_map (hb_first)
-    | hb_apply (subset_record_array (l, out, this))
-    ;
-    return_trace (true);
-  }
-};
-
-struct Script;
-struct RecordListOfScript : RecordListOf<Script>
-{
-  bool subset (hb_subset_context_t *c,
-               hb_subset_layout_context_t *l) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
-
-    unsigned count = this->len;
-    for (auto _ : + hb_zip (*this, hb_range (count)))
-    {
-      auto snap = c->serializer->snapshot ();
-      l->cur_script_index = _.second;
-      bool ret = _.first.subset (l, this);
-      if (!ret) c->serializer->revert (snap);
-      else out->len++;
-    }
-
-    return_trace (true);
-  }
-};
-
-struct RangeRecord
-{
-  int cmp (hb_codepoint_t g) const
-  { return g < first ? -1 : g <= last ? 0 : +1; }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this));
-  }
-
-  bool intersects (const hb_set_t *glyphs) const
-  { return glyphs->intersects (first, last); }
-
-  template <typename set_t>
-  bool collect_coverage (set_t *glyphs) const
-  { return glyphs->add_range (first, last); }
-
-  HBGlyphID16	first;		/* First GlyphID in the range */
-  HBGlyphID16	last;		/* Last GlyphID in the range */
-  HBUINT16	value;		/* Value */
-  public:
-  DEFINE_SIZE_STATIC (6);
-};
-DECLARE_NULL_NAMESPACE_BYTES (OT, RangeRecord);
-
-
 struct IndexArray : Array16Of<Index>
 {
   bool intersects (const hb_map_t *indexes) const
@@ -568,7 +478,7 @@ struct IndexArray : Array16Of<Index>
   {
     if (_count)
     {
-      + this->sub_array (start_offset, _count)
+      + this->as_array ().sub_array (start_offset, _count)
       | hb_sink (hb_array (_indexes, *_count))
       ;
     }
@@ -582,249 +492,6 @@ struct IndexArray : Array16Of<Index>
 };
 
 
-struct LangSys
-{
-  unsigned int get_feature_count () const
-  { return featureIndex.len; }
-  hb_tag_t get_feature_index (unsigned int i) const
-  { return featureIndex[i]; }
-  unsigned int get_feature_indexes (unsigned int start_offset,
-				    unsigned int *feature_count /* IN/OUT */,
-				    unsigned int *feature_indexes /* OUT */) const
-  { return featureIndex.get_indexes (start_offset, feature_count, feature_indexes); }
-  void add_feature_indexes_to (hb_set_t *feature_indexes) const
-  { featureIndex.add_indexes_to (feature_indexes); }
-
-  bool has_required_feature () const { return reqFeatureIndex != 0xFFFFu; }
-  unsigned int get_required_feature_index () const
-  {
-    if (reqFeatureIndex == 0xFFFFu)
-      return Index::NOT_FOUND_INDEX;
-   return reqFeatureIndex;
-  }
-
-  LangSys* copy (hb_serialize_context_t *c) const
-  {
-    TRACE_SERIALIZE (this);
-    return_trace (c->embed (*this));
-  }
-
-  bool compare (const LangSys& o, const hb_map_t *feature_index_map) const
-  {
-    if (reqFeatureIndex != o.reqFeatureIndex)
-      return false;
-
-    auto iter =
-    + hb_iter (featureIndex)
-    | hb_filter (feature_index_map)
-    | hb_map (feature_index_map)
-    ;
-
-    auto o_iter =
-    + hb_iter (o.featureIndex)
-    | hb_filter (feature_index_map)
-    | hb_map (feature_index_map)
-    ;
-
-    for (; iter && o_iter; iter++, o_iter++)
-    {
-      unsigned a = *iter;
-      unsigned b = *o_iter;
-      if (a != b) return false;
-    }
-
-    if (iter || o_iter) return false;
-
-    return true;
-  }
-
-  void collect_features (hb_prune_langsys_context_t *c) const
-  {
-    if (!has_required_feature () && !get_feature_count ()) return;
-    if (has_required_feature () &&
-        c->duplicate_feature_map->has (reqFeatureIndex))
-      c->new_feature_indexes->add (get_required_feature_index ());
-
-    + hb_iter (featureIndex)
-    | hb_filter (c->duplicate_feature_map)
-    | hb_sink (c->new_feature_indexes)
-    ;
-  }
-
-  bool subset (hb_subset_context_t        *c,
-	       hb_subset_layout_context_t *l,
-	       const Tag                  *tag = nullptr) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
-
-    out->reqFeatureIndex = l->feature_index_map->has (reqFeatureIndex) ? l->feature_index_map->get (reqFeatureIndex) : 0xFFFFu;
-
-    if (!l->visitFeatureIndex (featureIndex.len))
-      return_trace (false);
-
-    auto it =
-    + hb_iter (featureIndex)
-    | hb_filter (l->feature_index_map)
-    | hb_map (l->feature_index_map)
-    ;
-
-    bool ret = bool (it);
-    out->featureIndex.serialize (c->serializer, l, it);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c,
-		 const Record_sanitize_closure_t * = nullptr) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && featureIndex.sanitize (c));
-  }
-
-  Offset16	lookupOrderZ;	/* = Null (reserved for an offset to a
-				 * reordering table) */
-  HBUINT16	reqFeatureIndex;/* Index of a feature required for this
-				 * language system--if no required features
-				 * = 0xFFFFu */
-  IndexArray	featureIndex;	/* Array of indices into the FeatureList */
-  public:
-  DEFINE_SIZE_ARRAY_SIZED (6, featureIndex);
-};
-DECLARE_NULL_NAMESPACE_BYTES (OT, LangSys);
-
-struct Script
-{
-  unsigned int get_lang_sys_count () const
-  { return langSys.len; }
-  const Tag& get_lang_sys_tag (unsigned int i) const
-  { return langSys.get_tag (i); }
-  unsigned int get_lang_sys_tags (unsigned int start_offset,
-				  unsigned int *lang_sys_count /* IN/OUT */,
-				  hb_tag_t     *lang_sys_tags /* OUT */) const
-  { return langSys.get_tags (start_offset, lang_sys_count, lang_sys_tags); }
-  const LangSys& get_lang_sys (unsigned int i) const
-  {
-    if (i == Index::NOT_FOUND_INDEX) return get_default_lang_sys ();
-    return this+langSys[i].offset;
-  }
-  bool find_lang_sys_index (hb_tag_t tag, unsigned int *index) const
-  { return langSys.find_index (tag, index); }
-
-  bool has_default_lang_sys () const           { return defaultLangSys != 0; }
-  const LangSys& get_default_lang_sys () const { return this+defaultLangSys; }
-
-  void prune_langsys (hb_prune_langsys_context_t *c,
-                      unsigned script_index) const
-  {
-    if (!has_default_lang_sys () && !get_lang_sys_count ()) return;
-    if (!c->visitScript ()) return;
-
-    if (!c->script_langsys_map->has (script_index))
-    {
-      hb_set_t* empty_set = hb_set_create ();
-      if (unlikely (!c->script_langsys_map->set (script_index, empty_set)))
-      {
-	hb_set_destroy (empty_set);
-	return;
-      }
-    }
-
-    unsigned langsys_count = get_lang_sys_count ();
-    if (has_default_lang_sys ())
-    {
-      //only collect features from non-redundant langsys
-      const LangSys& d = get_default_lang_sys ();
-      if (c->visitLangsys (d.get_feature_count ())) {
-        d.collect_features (c);
-      }
-
-      for (auto _ : + hb_zip (langSys, hb_range (langsys_count)))
-      {
-        const LangSys& l = this+_.first.offset;
-        if (!c->visitLangsys (l.get_feature_count ())) continue;
-        if (l.compare (d, c->duplicate_feature_map)) continue;
-
-        l.collect_features (c);
-        c->script_langsys_map->get (script_index)->add (_.second);
-      }
-    }
-    else
-    {
-      for (auto _ : + hb_zip (langSys, hb_range (langsys_count)))
-      {
-        const LangSys& l = this+_.first.offset;
-        if (!c->visitLangsys (l.get_feature_count ())) continue;
-        l.collect_features (c);
-        c->script_langsys_map->get (script_index)->add (_.second);
-      }
-    }
-  }
-
-  bool subset (hb_subset_context_t         *c,
-	       hb_subset_layout_context_t  *l,
-	       const Tag                   *tag) const
-  {
-    TRACE_SUBSET (this);
-    if (!l->visitScript ()) return_trace (false);
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
-
-    bool defaultLang = false;
-    if (has_default_lang_sys ())
-    {
-      c->serializer->push ();
-      const LangSys& ls = this+defaultLangSys;
-      bool ret = ls.subset (c, l);
-      if (!ret && tag && *tag != HB_TAG ('D', 'F', 'L', 'T'))
-      {
-	c->serializer->pop_discard ();
-	out->defaultLangSys = 0;
-      }
-      else
-      {
-	c->serializer->add_link (out->defaultLangSys, c->serializer->pop_pack ());
-	defaultLang = true;
-      }
-    }
-
-    const hb_set_t *active_langsys = l->script_langsys_map->get (l->cur_script_index);
-    if (active_langsys)
-    {
-      unsigned count = langSys.len;
-      + hb_zip (langSys, hb_range (count))
-      | hb_filter (active_langsys, hb_second)
-      | hb_map (hb_first)
-      | hb_filter ([=] (const Record<LangSys>& record) {return l->visitLangSys (); })
-      | hb_apply (subset_record_array (l, &(out->langSys), this))
-      ;
-    }
-
-    return_trace (bool (out->langSys.len) || defaultLang || l->table_tag == HB_OT_TAG_GSUB);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c,
-		 const Record_sanitize_closure_t * = nullptr) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (defaultLangSys.sanitize (c, this) && langSys.sanitize (c, this));
-  }
-
-  protected:
-  Offset16To<LangSys>
-		defaultLangSys;	/* Offset to DefaultLangSys table--from
-				 * beginning of Script table--may be Null */
-  RecordArrayOf<LangSys>
-		langSys;	/* Array of LangSysRecords--listed
-				 * alphabetically by LangSysTag */
-  public:
-  DEFINE_SIZE_ARRAY_SIZED (4, langSys);
-};
-
-typedef RecordListOfScript ScriptList;
-
-
 /* https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#size */
 struct FeatureParamsSize
 {
@@ -991,7 +658,7 @@ struct FeatureParamsCharacterVariants
   {
     if (char_count)
     {
-      + characters.sub_array (start_offset, char_count)
+      + characters.as_array ().sub_array (start_offset, char_count)
       | hb_sink (hb_array (chars, *char_count))
       ;
     }
@@ -1107,6 +774,11 @@ struct FeatureParams
   DEFINE_SIZE_MIN (0);
 };
 
+struct Record_sanitize_closure_t {
+  hb_tag_t tag;
+  const void *list_base;
+};
+
 struct Feature
 {
   unsigned int get_lookup_count () const
@@ -1202,9 +874,395 @@ struct Feature
   DEFINE_SIZE_ARRAY_SIZED (4, lookupIndex);
 };
 
+template <typename Type>
+struct Record
+{
+  int cmp (hb_tag_t a) const { return tag.cmp (a); }
+
+  bool subset (hb_subset_layout_context_t *c, const void *base, const void *f_sub = nullptr) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->subset_context->serializer->embed (this);
+    if (unlikely (!out)) return_trace (false);
+
+    if (!f_sub)
+      return_trace (out->offset.serialize_subset (c->subset_context, offset, base, c, &tag));
+
+    const Feature& f = *reinterpret_cast<const Feature *> (f_sub);
+    auto *s = c->subset_context->serializer;
+    s->push ();
+
+    out->offset = 0;
+    bool ret = f.subset (c->subset_context, c, &tag);
+    if (ret)
+      s->add_link (out->offset, s->pop_pack ());
+    else
+      s->pop_discard ();
+
+    return_trace (ret);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c, const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    const Record_sanitize_closure_t closure = {tag, base};
+    return_trace (c->check_struct (this) && offset.sanitize (c, base, &closure));
+  }
+
+  Tag           tag;            /* 4-byte Tag identifier */
+  Offset16To<Type>
+                offset;         /* Offset from beginning of object holding
+                                 * the Record */
+  public:
+  DEFINE_SIZE_STATIC (6);
+};
+
+template <typename Type>
+struct RecordArrayOf : SortedArray16Of<Record<Type>>
+{
+  const Offset16To<Type>& get_offset (unsigned int i) const
+  { return (*this)[i].offset; }
+  Offset16To<Type>& get_offset (unsigned int i)
+  { return (*this)[i].offset; }
+  const Tag& get_tag (unsigned int i) const
+  { return (*this)[i].tag; }
+  unsigned int get_tags (unsigned int start_offset,
+                         unsigned int *record_count /* IN/OUT */,
+                         hb_tag_t     *record_tags /* OUT */) const
+  {
+    if (record_count)
+    {
+      + this->as_array ().sub_array (start_offset, record_count)
+      | hb_map (&Record<Type>::tag)
+      | hb_sink (hb_array (record_tags, *record_count))
+      ;
+    }
+    return this->len;
+  }
+  bool find_index (hb_tag_t tag, unsigned int *index) const
+  {
+    return this->bfind (tag, index, HB_NOT_FOUND_STORE, Index::NOT_FOUND_INDEX);
+  }
+};
+
+template <typename Type>
+struct RecordListOf : RecordArrayOf<Type>
+{
+  const Type& operator [] (unsigned int i) const
+  { return this+this->get_offset (i); }
+
+  bool subset (hb_subset_context_t *c,
+               hb_subset_layout_context_t *l) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+
+    + this->iter ()
+    | hb_apply (subset_record_array (l, out, this))
+    ;
+    return_trace (true);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (RecordArrayOf<Type>::sanitize (c, this));
+  }
+};
+
+struct RecordListOfFeature : RecordListOf<Feature>
+{
+  bool subset (hb_subset_context_t *c,
+	       hb_subset_layout_context_t *l) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
+
+    + hb_enumerate (*this)
+    | hb_filter (l->feature_index_map, hb_first)
+    | hb_apply ([l, out, this] (const hb_pair_t<unsigned, const Record<Feature>&>& _)
+                {
+                  const Feature *f_sub = nullptr;
+                  const Feature **f = nullptr;
+                  if (l->feature_substitutes_map->has (_.first, &f))
+                    f_sub = *f;
+
+                  subset_record_array (l, out, this, f_sub) (_.second);
+                })
+    ;
+
+    return_trace (true);
+  }
+};
+
 typedef RecordListOf<Feature> FeatureList;
 
 
+struct LangSys
+{
+  unsigned int get_feature_count () const
+  { return featureIndex.len; }
+  hb_tag_t get_feature_index (unsigned int i) const
+  { return featureIndex[i]; }
+  unsigned int get_feature_indexes (unsigned int start_offset,
+				    unsigned int *feature_count /* IN/OUT */,
+				    unsigned int *feature_indexes /* OUT */) const
+  { return featureIndex.get_indexes (start_offset, feature_count, feature_indexes); }
+  void add_feature_indexes_to (hb_set_t *feature_indexes) const
+  { featureIndex.add_indexes_to (feature_indexes); }
+
+  bool has_required_feature () const { return reqFeatureIndex != 0xFFFFu; }
+  unsigned int get_required_feature_index () const
+  {
+    if (reqFeatureIndex == 0xFFFFu)
+      return Index::NOT_FOUND_INDEX;
+   return reqFeatureIndex;
+  }
+
+  LangSys* copy (hb_serialize_context_t *c) const
+  {
+    TRACE_SERIALIZE (this);
+    return_trace (c->embed (*this));
+  }
+
+  bool compare (const LangSys& o, const hb_map_t *feature_index_map) const
+  {
+    if (reqFeatureIndex != o.reqFeatureIndex)
+      return false;
+
+    auto iter =
+    + hb_iter (featureIndex)
+    | hb_filter (feature_index_map)
+    | hb_map (feature_index_map)
+    ;
+
+    auto o_iter =
+    + hb_iter (o.featureIndex)
+    | hb_filter (feature_index_map)
+    | hb_map (feature_index_map)
+    ;
+
+    for (; iter && o_iter; iter++, o_iter++)
+    {
+      unsigned a = *iter;
+      unsigned b = *o_iter;
+      if (a != b) return false;
+    }
+
+    if (iter || o_iter) return false;
+
+    return true;
+  }
+
+  void collect_features (hb_prune_langsys_context_t *c) const
+  {
+    if (!has_required_feature () && !get_feature_count ()) return;
+    if (has_required_feature () &&
+        c->duplicate_feature_map->has (reqFeatureIndex))
+      c->new_feature_indexes->add (get_required_feature_index ());
+
+    + hb_iter (featureIndex)
+    | hb_filter (c->duplicate_feature_map)
+    | hb_sink (c->new_feature_indexes)
+    ;
+  }
+
+  bool subset (hb_subset_context_t        *c,
+	       hb_subset_layout_context_t *l,
+	       const Tag                  *tag = nullptr) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
+
+    const uint32_t *v;
+    out->reqFeatureIndex = l->feature_index_map->has (reqFeatureIndex, &v) ? *v : 0xFFFFu;
+
+    if (!l->visitFeatureIndex (featureIndex.len))
+      return_trace (false);
+
+    auto it =
+    + hb_iter (featureIndex)
+    | hb_filter (l->feature_index_map)
+    | hb_map (l->feature_index_map)
+    ;
+
+    bool ret = bool (it);
+    out->featureIndex.serialize (c->serializer, l, it);
+    return_trace (ret);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c,
+		 const Record_sanitize_closure_t * = nullptr) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) && featureIndex.sanitize (c));
+  }
+
+  Offset16	lookupOrderZ;	/* = Null (reserved for an offset to a
+				 * reordering table) */
+  HBUINT16	reqFeatureIndex;/* Index of a feature required for this
+				 * language system--if no required features
+				 * = 0xFFFFu */
+  IndexArray	featureIndex;	/* Array of indices into the FeatureList */
+  public:
+  DEFINE_SIZE_ARRAY_SIZED (6, featureIndex);
+};
+DECLARE_NULL_NAMESPACE_BYTES (OT, LangSys);
+
+struct Script
+{
+  unsigned int get_lang_sys_count () const
+  { return langSys.len; }
+  const Tag& get_lang_sys_tag (unsigned int i) const
+  { return langSys.get_tag (i); }
+  unsigned int get_lang_sys_tags (unsigned int start_offset,
+				  unsigned int *lang_sys_count /* IN/OUT */,
+				  hb_tag_t     *lang_sys_tags /* OUT */) const
+  { return langSys.get_tags (start_offset, lang_sys_count, lang_sys_tags); }
+  const LangSys& get_lang_sys (unsigned int i) const
+  {
+    if (i == Index::NOT_FOUND_INDEX) return get_default_lang_sys ();
+    return this+langSys[i].offset;
+  }
+  bool find_lang_sys_index (hb_tag_t tag, unsigned int *index) const
+  { return langSys.find_index (tag, index); }
+
+  bool has_default_lang_sys () const           { return defaultLangSys != 0; }
+  const LangSys& get_default_lang_sys () const { return this+defaultLangSys; }
+
+  void prune_langsys (hb_prune_langsys_context_t *c,
+                      unsigned script_index) const
+  {
+    if (!has_default_lang_sys () && !get_lang_sys_count ()) return;
+    if (!c->visitScript ()) return;
+
+    if (!c->script_langsys_map->has (script_index))
+    {
+      if (unlikely (!c->script_langsys_map->set (script_index, hb::unique_ptr<hb_set_t> {hb_set_create ()})))
+	return;
+    }
+
+    if (has_default_lang_sys ())
+    {
+      //only collect features from non-redundant langsys
+      const LangSys& d = get_default_lang_sys ();
+      if (c->visitLangsys (d.get_feature_count ())) {
+        d.collect_features (c);
+      }
+
+      for (auto _ : + hb_enumerate (langSys))
+      {
+        const LangSys& l = this+_.second.offset;
+        if (!c->visitLangsys (l.get_feature_count ())) continue;
+        if (l.compare (d, c->duplicate_feature_map)) continue;
+
+        l.collect_features (c);
+        c->script_langsys_map->get (script_index)->add (_.first);
+      }
+    }
+    else
+    {
+      for (auto _ : + hb_enumerate (langSys))
+      {
+        const LangSys& l = this+_.second.offset;
+        if (!c->visitLangsys (l.get_feature_count ())) continue;
+        l.collect_features (c);
+        c->script_langsys_map->get (script_index)->add (_.first);
+      }
+    }
+  }
+
+  bool subset (hb_subset_context_t         *c,
+	       hb_subset_layout_context_t  *l,
+	       const Tag                   *tag) const
+  {
+    TRACE_SUBSET (this);
+    if (!l->visitScript ()) return_trace (false);
+    if (tag && !c->plan->layout_scripts->has (*tag))
+      return false;
+
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
+
+    bool defaultLang = false;
+    if (has_default_lang_sys ())
+    {
+      c->serializer->push ();
+      const LangSys& ls = this+defaultLangSys;
+      bool ret = ls.subset (c, l);
+      if (!ret && tag && *tag != HB_TAG ('D', 'F', 'L', 'T'))
+      {
+	c->serializer->pop_discard ();
+	out->defaultLangSys = 0;
+      }
+      else
+      {
+	c->serializer->add_link (out->defaultLangSys, c->serializer->pop_pack ());
+	defaultLang = true;
+      }
+    }
+
+    const hb_set_t *active_langsys = l->script_langsys_map->get (l->cur_script_index);
+    if (active_langsys)
+    {
+      + hb_enumerate (langSys)
+      | hb_filter (active_langsys, hb_first)
+      | hb_map (hb_second)
+      | hb_filter ([=] (const Record<LangSys>& record) {return l->visitLangSys (); })
+      | hb_apply (subset_record_array (l, &(out->langSys), this))
+      ;
+    }
+
+    return_trace (bool (out->langSys.len) || defaultLang || l->table_tag == HB_OT_TAG_GSUB);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c,
+		 const Record_sanitize_closure_t * = nullptr) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (defaultLangSys.sanitize (c, this) && langSys.sanitize (c, this));
+  }
+
+  protected:
+  Offset16To<LangSys>
+		defaultLangSys;	/* Offset to DefaultLangSys table--from
+				 * beginning of Script table--may be Null */
+  RecordArrayOf<LangSys>
+		langSys;	/* Array of LangSysRecords--listed
+				 * alphabetically by LangSysTag */
+  public:
+  DEFINE_SIZE_ARRAY_SIZED (4, langSys);
+};
+
+struct RecordListOfScript : RecordListOf<Script>
+{
+  bool subset (hb_subset_context_t *c,
+               hb_subset_layout_context_t *l) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (*this);
+    if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
+
+    for (auto _ : + hb_enumerate (*this))
+    {
+      auto snap = c->serializer->snapshot ();
+      l->cur_script_index = _.first;
+      bool ret = _.second.subset (l, this);
+      if (!ret) c->serializer->revert (snap);
+      else out->len++;
+    }
+
+    return_trace (true);
+  }
+};
+
+typedef RecordListOfScript ScriptList;
+
+
+
 struct LookupFlag : HBUINT16
 {
   enum Flags {
@@ -1325,7 +1383,13 @@ struct Lookup
       outMarkFilteringSet = markFilteringSet;
     }
 
-    return_trace (out->subTable.len);
+    // Always keep the lookup even if it's empty. The rest of layout subsetting depends on lookup
+    // indices being consistent with those computed during planning. So if an empty lookup is
+    // discarded during the subset phase it will invalidate all subsequent lookup indices.
+    // Generally we shouldn't end up with an empty lookup as we pre-prune them during the planning
+    // phase, but it can happen in rare cases such as when during closure subtable is considered
+    // degenerate (see: https://github.com/harfbuzz/harfbuzz/issues/3853)
+    return true;
   }
 
   template <typename TSubTable>
@@ -1346,7 +1410,7 @@ struct Lookup
     if (unlikely (!get_subtables<TSubTable> ().sanitize (c, this, get_type ())))
       return_trace (false);
 
-    if (unlikely (get_type () == TSubTable::Extension && subtables && !c->get_edit_count ()))
+    if (unlikely (get_type () == TSubTable::Extension && !c->get_edit_count ()))
     {
       /* The spec says all subtables of an Extension lookup should
        * have the same type, which shall not be the Extension type
@@ -1366,7 +1430,7 @@ struct Lookup
     return_trace (true);
   }
 
-  private:
+  protected:
   HBUINT16	lookupType;		/* Different enumerations for GSUB and GPOS */
   HBUINT16	lookupFlag;		/* Lookup qualifiers */
   Array16Of<Offset16>
@@ -1378,10 +1442,11 @@ struct Lookup
   DEFINE_SIZE_ARRAY (6, subTable);
 };
 
-typedef List16OfOffset16To<Lookup> LookupList;
+template <typename Types>
+using LookupList = List16OfOffsetTo<Lookup, typename Types::HBUINT>;
 
-template <typename TLookup>
-struct LookupOffsetList : List16OfOffset16To<TLookup>
+template <typename TLookup, typename OffsetType>
+struct LookupOffsetList : List16OfOffsetTo<TLookup, OffsetType>
 {
   bool subset (hb_subset_context_t        *c,
 	       hb_subset_layout_context_t *l) const
@@ -1390,10 +1455,9 @@ struct LookupOffsetList : List16OfOffset16To<TLookup>
     auto *out = c->serializer->start_embed (this);
     if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
 
-    unsigned count = this->len;
-    + hb_zip (*this, hb_range (count))
-    | hb_filter (l->lookup_index_map, hb_second)
-    | hb_map (hb_first)
+    + hb_enumerate (*this)
+    | hb_filter (l->lookup_index_map, hb_first)
+    | hb_map (hb_second)
     | hb_apply (subset_offset_array (c, *out, this))
     ;
     return_trace (true);
@@ -1411,464 +1475,15 @@ struct LookupOffsetList : List16OfOffset16To<TLookup>
  * Coverage Table
  */
 
-struct CoverageFormat1
-{
-  friend struct Coverage;
-
-  private:
-  unsigned int get_coverage (hb_codepoint_t glyph_id) const
-  {
-    unsigned int i;
-    glyphArray.bfind (glyph_id, &i, HB_NOT_FOUND_STORE, NOT_COVERED);
-    return i;
-  }
-
-  template <typename Iterator,
-      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
-  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
-  {
-    TRACE_SERIALIZE (this);
-    return_trace (glyphArray.serialize (c, glyphs));
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (glyphArray.sanitize (c));
-  }
-
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    /* TODO Speed up, using hb_set_next() and bsearch()? */
-    for (const auto& g : glyphArray.as_array ())
-      if (glyphs->has (g))
-	return true;
-    return false;
-  }
-  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
-  { return glyphs->has (glyphArray[index]); }
-
-  void intersected_coverage_glyphs (const hb_set_t *glyphs, hb_set_t *intersect_glyphs) const
-  {
-    unsigned count = glyphArray.len;
-    for (unsigned i = 0; i < count; i++)
-      if (glyphs->has (glyphArray[i]))
-        intersect_glyphs->add (glyphArray[i]);
-  }
-
-  template <typename set_t>
-  bool collect_coverage (set_t *glyphs) const
-  { return glyphs->add_sorted_array (glyphArray.as_array ()); }
-
-  public:
-  /* Older compilers need this to be public. */
-  struct iter_t
-  {
-    void init (const struct CoverageFormat1 &c_) { c = &c_; i = 0; }
-    void fini () {}
-    bool more () const { return i < c->glyphArray.len; }
-    void next () { i++; }
-    hb_codepoint_t get_glyph () const { return c->glyphArray[i]; }
-    bool operator != (const iter_t& o) const
-    { return i != o.i || c != o.c; }
-
-    private:
-    const struct CoverageFormat1 *c;
-    unsigned int i;
-  };
-  private:
-
-  protected:
-  HBUINT16	coverageFormat;	/* Format identifier--format = 1 */
-  SortedArray16Of<HBGlyphID16>
-		glyphArray;	/* Array of GlyphIDs--in numerical order */
-  public:
-  DEFINE_SIZE_ARRAY (4, glyphArray);
-};
-
-struct CoverageFormat2
-{
-  friend struct Coverage;
-
-  private:
-  unsigned int get_coverage (hb_codepoint_t glyph_id) const
-  {
-    const RangeRecord &range = rangeRecord.bsearch (glyph_id);
-    return likely (range.first <= range.last)
-	 ? (unsigned int) range.value + (glyph_id - range.first)
-	 : NOT_COVERED;
-  }
-
-  template <typename Iterator,
-      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
-  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
-  {
-    TRACE_SERIALIZE (this);
-    if (unlikely (!c->extend_min (this))) return_trace (false);
-
-    if (unlikely (!glyphs))
-    {
-      rangeRecord.len = 0;
-      return_trace (true);
-    }
-
-    /* TODO(iter) Write more efficiently? */
-
-    unsigned num_ranges = 0;
-    hb_codepoint_t last = (hb_codepoint_t) -2;
-    for (auto g: glyphs)
-    {
-      if (last + 1 != g)
-	num_ranges++;
-      last = g;
-    }
-
-    if (unlikely (!rangeRecord.serialize (c, num_ranges))) return_trace (false);
-
-    unsigned count = 0;
-    unsigned range = (unsigned) -1;
-    last = (hb_codepoint_t) -2;
-    for (auto g: glyphs)
-    {
-      if (last + 1 != g)
-      {
-	range++;
-	rangeRecord[range].first = g;
-	rangeRecord[range].value = count;
-      }
-      rangeRecord[range].last = g;
-      last = g;
-      count++;
-    }
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (rangeRecord.sanitize (c));
-  }
-
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    /* TODO Speed up, using hb_set_next() and bsearch()? */
-    /* TODO(iter) Rewrite as dagger. */
-    for (const auto& range : rangeRecord.as_array ())
-      if (range.intersects (glyphs))
-	return true;
-    return false;
-  }
-  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
-  {
-    /* TODO(iter) Rewrite as dagger. */
-    for (const auto& range : rangeRecord.as_array ())
-    {
-      if (range.value <= index &&
-	  index < (unsigned int) range.value + (range.last - range.first) &&
-	  range.intersects (glyphs))
-	return true;
-      else if (index < range.value)
-	return false;
-    }
-    return false;
-  }
-
-  void intersected_coverage_glyphs (const hb_set_t *glyphs, hb_set_t *intersect_glyphs) const
-  {
-    for (const auto& range : rangeRecord.as_array ())
-    {
-      if (!range.intersects (glyphs)) continue;
-      for (hb_codepoint_t g = range.first; g <= range.last; g++)
-        if (glyphs->has (g)) intersect_glyphs->add (g);
-    }
-  }
-
-  template <typename set_t>
-  bool collect_coverage (set_t *glyphs) const
-  {
-    unsigned int count = rangeRecord.len;
-    for (unsigned int i = 0; i < count; i++)
-      if (unlikely (!rangeRecord[i].collect_coverage (glyphs)))
-	return false;
-    return true;
-  }
-
-  public:
-  /* Older compilers need this to be public. */
-  struct iter_t
-  {
-    void init (const CoverageFormat2 &c_)
-    {
-      c = &c_;
-      coverage = 0;
-      i = 0;
-      j = c->rangeRecord.len ? c->rangeRecord[0].first : 0;
-      if (unlikely (c->rangeRecord[0].first > c->rangeRecord[0].last))
-      {
-	/* Broken table. Skip. */
-	i = c->rangeRecord.len;
-      }
-    }
-    void fini () {}
-    bool more () const { return i < c->rangeRecord.len; }
-    void next ()
-    {
-      if (j >= c->rangeRecord[i].last)
-      {
-	i++;
-	if (more ())
-	{
-	  unsigned int old = coverage;
-	  j = c->rangeRecord[i].first;
-	  coverage = c->rangeRecord[i].value;
-	  if (unlikely (coverage != old + 1))
-	  {
-	    /* Broken table. Skip. Important to avoid DoS.
-	     * Also, our callers depend on coverage being
-	     * consecutive and monotonically increasing,
-	     * ie. iota(). */
-	   i = c->rangeRecord.len;
-	   return;
-	  }
-	}
-	return;
-      }
-      coverage++;
-      j++;
-    }
-    hb_codepoint_t get_glyph () const { return j; }
-    bool operator != (const iter_t& o) const
-    { return i != o.i || j != o.j || c != o.c; }
-
-    private:
-    const struct CoverageFormat2 *c;
-    unsigned int i, coverage;
-    hb_codepoint_t j;
-  };
-  private:
-
-  protected:
-  HBUINT16	coverageFormat;	/* Format identifier--format = 2 */
-  SortedArray16Of<RangeRecord>
-		rangeRecord;	/* Array of glyph ranges--ordered by
-				 * Start GlyphID. rangeCount entries
-				 * long */
-  public:
-  DEFINE_SIZE_ARRAY (4, rangeRecord);
-};
-
-struct Coverage
-{
-  /* Has interface. */
-  static constexpr unsigned SENTINEL = NOT_COVERED;
-  typedef unsigned int value_t;
-  value_t operator [] (hb_codepoint_t k) const { return get (k); }
-  bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }
-  /* Predicate. */
-  bool operator () (hb_codepoint_t k) const { return has (k); }
-
-  unsigned int get (hb_codepoint_t k) const { return get_coverage (k); }
-  unsigned int get_coverage (hb_codepoint_t glyph_id) const
-  {
-    switch (u.format) {
-    case 1: return u.format1.get_coverage (glyph_id);
-    case 2: return u.format2.get_coverage (glyph_id);
-    default:return NOT_COVERED;
-    }
-  }
-
-  template <typename Iterator,
-      hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
-  bool serialize (hb_serialize_context_t *c, Iterator glyphs)
-  {
-    TRACE_SERIALIZE (this);
-    if (unlikely (!c->extend_min (this))) return_trace (false);
-
-    unsigned count = 0;
-    unsigned num_ranges = 0;
-    hb_codepoint_t last = (hb_codepoint_t) -2;
-    for (auto g: glyphs)
-    {
-      if (last + 1 != g)
-	num_ranges++;
-      last = g;
-      count++;
-    }
-    u.format = count <= num_ranges * 3 ? 1 : 2;
-
-    switch (u.format)
-    {
-    case 1: return_trace (u.format1.serialize (c, glyphs));
-    case 2: return_trace (u.format2.serialize (c, glyphs));
-    default:return_trace (false);
-    }
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto it =
-    + iter ()
-    | hb_filter (glyphset)
-    | hb_map_retains_sorting (glyph_map)
-    ;
-
-    bool ret = bool (it);
-    Coverage_serialize (c->serializer, it);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    if (!u.format.sanitize (c)) return_trace (false);
-    switch (u.format)
-    {
-    case 1: return_trace (u.format1.sanitize (c));
-    case 2: return_trace (u.format2.sanitize (c));
-    default:return_trace (true);
-    }
-  }
-
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    switch (u.format)
-    {
-    case 1: return u.format1.intersects (glyphs);
-    case 2: return u.format2.intersects (glyphs);
-    default:return false;
-    }
-  }
-  bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
-  {
-    switch (u.format)
-    {
-    case 1: return u.format1.intersects_coverage (glyphs, index);
-    case 2: return u.format2.intersects_coverage (glyphs, index);
-    default:return false;
-    }
-  }
-
-  /* Might return false if array looks unsorted.
-   * Used for faster rejection of corrupt data. */
-  template <typename set_t>
-  bool collect_coverage (set_t *glyphs) const
-  {
-    switch (u.format)
-    {
-    case 1: return u.format1.collect_coverage (glyphs);
-    case 2: return u.format2.collect_coverage (glyphs);
-    default:return false;
-    }
-  }
-
-  void intersected_coverage_glyphs (const hb_set_t *glyphs, hb_set_t *intersect_glyphs) const
-  {
-    switch (u.format)
-    {
-    case 1: return u.format1.intersected_coverage_glyphs (glyphs, intersect_glyphs);
-    case 2: return u.format2.intersected_coverage_glyphs (glyphs, intersect_glyphs);
-    default:return ;
-    }
-  }
-
-  struct iter_t : hb_iter_with_fallback_t<iter_t, hb_codepoint_t>
-  {
-    static constexpr bool is_sorted_iterator = true;
-    iter_t (const Coverage &c_ = Null (Coverage))
-    {
-      memset (this, 0, sizeof (*this));
-      format = c_.u.format;
-      switch (format)
-      {
-      case 1: u.format1.init (c_.u.format1); return;
-      case 2: u.format2.init (c_.u.format2); return;
-      default:				     return;
-      }
-    }
-    bool __more__ () const
-    {
-      switch (format)
-      {
-      case 1: return u.format1.more ();
-      case 2: return u.format2.more ();
-      default:return false;
-      }
-    }
-    void __next__ ()
-    {
-      switch (format)
-      {
-      case 1: u.format1.next (); break;
-      case 2: u.format2.next (); break;
-      default:			 break;
-      }
-    }
-    typedef hb_codepoint_t __item_t__;
-    __item_t__ __item__ () const { return get_glyph (); }
 
-    hb_codepoint_t get_glyph () const
-    {
-      switch (format)
-      {
-      case 1: return u.format1.get_glyph ();
-      case 2: return u.format2.get_glyph ();
-      default:return 0;
-      }
-    }
-    bool operator != (const iter_t& o) const
-    {
-      if (format != o.format) return true;
-      switch (format)
-      {
-      case 1: return u.format1 != o.u.format1;
-      case 2: return u.format2 != o.u.format2;
-      default:return false;
-      }
-    }
-
-    private:
-    unsigned int format;
-    union {
-    CoverageFormat2::iter_t	format2; /* Put this one first since it's larger; helps shut up compiler. */
-    CoverageFormat1::iter_t	format1;
-    } u;
-  };
-  iter_t iter () const { return iter_t (*this); }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  CoverageFormat1	format1;
-  CoverageFormat2	format2;
-  } u;
-  public:
-  DEFINE_SIZE_UNION (2, format);
-};
-
-template<typename Iterator>
-static inline void
-Coverage_serialize (hb_serialize_context_t *c,
-		    Iterator it)
-{ c->start_embed<Coverage> ()->serialize (c, it); }
-
-static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
-					  const hb_map_t &gid_klass_map,
-					  hb_sorted_vector_t<HBGlyphID16> &glyphs,
+static bool ClassDef_remap_and_serialize (hb_serialize_context_t *c,
 					  const hb_set_t &klasses,
                                           bool use_class_zero,
-					  hb_map_t *klass_map /*INOUT*/)
+                                          hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> &glyph_and_klass, /* IN/OUT */
+					  hb_map_t *klass_map /*IN/OUT*/)
 {
   if (!klass_map)
-  {
-    ClassDef_serialize (c, hb_zip (glyphs.iter (), + glyphs.iter ()
-						   | hb_map (gid_klass_map)));
-    return;
-  }
+    return ClassDef_serialize (c, glyph_and_klass.iter ());
 
   /* any glyph not assigned a class value falls into Class zero (0),
    * if any glyph assigned to class 0, remapping must start with 0->0*/
@@ -1876,31 +1491,30 @@ static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
     klass_map->set (0, 0);
 
   unsigned idx = klass_map->has (0) ? 1 : 0;
-  for (const unsigned k: klasses.iter ())
+  for (const unsigned k: klasses)
   {
     if (klass_map->has (k)) continue;
     klass_map->set (k, idx);
     idx++;
   }
 
-  auto it =
-  + glyphs.iter ()
-  | hb_map_retains_sorting ([&] (const HBGlyphID16& gid) -> hb_pair_t<hb_codepoint_t, unsigned>
-			    {
-			      unsigned new_klass = klass_map->get (gid_klass_map[gid]);
-			      return hb_pair ((hb_codepoint_t)gid, new_klass);
-			    })
-  ;
 
-  c->propagate_error (glyphs, klasses);
-  ClassDef_serialize (c, it);
+  for (unsigned i = 0; i < glyph_and_klass.length; i++)
+  {
+    hb_codepoint_t klass = glyph_and_klass[i].second;
+    glyph_and_klass[i].second = klass_map->get (klass);
+  }
+
+  c->propagate_error (glyph_and_klass, klasses);
+  return ClassDef_serialize (c, glyph_and_klass.iter ());
 }
 
 /*
  * Class Definition Table
  */
 
-struct ClassDefFormat1
+template <typename Types>
+struct ClassDefFormat1_3
 {
   friend struct ClassDef;
 
@@ -1910,8 +1524,13 @@ struct ClassDefFormat1
     return classValue[(unsigned int) (glyph_id - startGlyph)];
   }
 
+  unsigned get_population () const
+  {
+    return classValue.len;
+  }
+
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it)
   {
@@ -1934,7 +1553,7 @@ struct ClassDefFormat1
 
     startGlyph = glyph_min;
     if (unlikely (!classValue.serialize (c, glyph_count))) return_trace (false);
-    for (const hb_pair_t<hb_codepoint_t, unsigned> gid_klass_pair : + it)
+    for (const hb_pair_t<hb_codepoint_t, uint32_t> gid_klass_pair : + it)
     {
       unsigned idx = gid_klass_pair.first - glyph_min;
       classValue[idx] = gid_klass_pair.second;
@@ -1949,36 +1568,38 @@ struct ClassDefFormat1
                const Coverage* glyph_filter = nullptr) const
   {
     TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
+    const hb_map_t &glyph_map = *c->plan->glyph_map_gsub;
 
-    hb_sorted_vector_t<HBGlyphID16> glyphs;
+    hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass;
     hb_set_t orig_klasses;
-    hb_map_t gid_org_klass_map;
 
     hb_codepoint_t start = startGlyph;
     hb_codepoint_t end   = start + classValue.len;
 
-    for (const hb_codepoint_t gid : + hb_range (start, end)
-                                    | hb_filter (glyphset))
+    for (const hb_codepoint_t gid : + hb_range (start, end))
     {
+      hb_codepoint_t new_gid = glyph_map[gid];
+      if (new_gid == HB_MAP_VALUE_INVALID) continue;
       if (glyph_filter && !glyph_filter->has(gid)) continue;
 
       unsigned klass = classValue[gid - start];
       if (!klass) continue;
 
-      glyphs.push (glyph_map[gid]);
-      gid_org_klass_map.set (glyph_map[gid], klass);
+      glyph_and_klass.push (hb_pair (new_gid, klass));
       orig_klasses.add (klass);
     }
 
     unsigned glyph_count = glyph_filter
-                           ? hb_len (hb_iter (glyphset) | hb_filter (glyph_filter))
-                           : glyphset.get_population ();
-    use_class_zero = use_class_zero && glyph_count <= gid_org_klass_map.get_population ();
-    ClassDef_remap_and_serialize (c->serializer, gid_org_klass_map,
-				  glyphs, orig_klasses, use_class_zero, klass_map);
-    return_trace (keep_empty_table || (bool) glyphs);
+                           ? hb_len (hb_iter (glyph_map.keys()) | hb_filter (glyph_filter))
+                           : glyph_map.get_population ();
+    use_class_zero = use_class_zero && glyph_count <= glyph_and_klass.length;
+    if (!ClassDef_remap_and_serialize (c->serializer,
+                                       orig_klasses,
+                                       use_class_zero,
+                                       glyph_and_klass,
+                                       klass_map))
+      return_trace (false);
+    return_trace (keep_empty_table || (bool) glyph_and_klass);
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
@@ -1987,6 +1608,8 @@ struct ClassDefFormat1
     return_trace (c->check_struct (this) && classValue.sanitize (c));
   }
 
+  unsigned cost () const { return 1; }
+
   template <typename set_t>
   bool collect_coverage (set_t *glyphs) const
   {
@@ -2021,11 +1644,10 @@ struct ClassDefFormat1
 
   bool intersects (const hb_set_t *glyphs) const
   {
-    /* TODO Speed up, using hb_set_next()? */
     hb_codepoint_t start = startGlyph;
     hb_codepoint_t end = startGlyph + classValue.len;
     for (hb_codepoint_t iter = startGlyph - 1;
-	 hb_set_next (glyphs, &iter) && iter < end;)
+	 glyphs->next (&iter) && iter < end;)
       if (classValue[iter - start]) return true;
     return false;
   }
@@ -2036,18 +1658,17 @@ struct ClassDefFormat1
     {
       /* Match if there's any glyph that is not listed! */
       hb_codepoint_t g = HB_SET_VALUE_INVALID;
-      if (!hb_set_next (glyphs, &g)) return false;
+      if (!glyphs->next (&g)) return false;
       if (g < startGlyph) return true;
       g = startGlyph + count - 1;
-      if (hb_set_next (glyphs, &g)) return true;
+      if (glyphs->next (&g)) return true;
       /* Fall through. */
     }
     /* TODO Speed up, using set overlap first? */
     /* TODO(iter) Rewrite as dagger. */
-    HBUINT16 k {klass};
     const HBUINT16 *arr = classValue.arrayZ;
     for (unsigned int i = 0; i < count; i++)
-      if (arr[i] == k && glyphs->has (startGlyph + i))
+      if (arr[i] == klass && glyphs->has (startGlyph + i))
 	return true;
     return false;
   }
@@ -2057,17 +1678,32 @@ struct ClassDefFormat1
     unsigned count = classValue.len;
     if (klass == 0)
     {
-      hb_codepoint_t endGlyph = startGlyph + count -1;
-      for (hb_codepoint_t g : glyphs->iter ())
-        if (g < startGlyph || g > endGlyph)
-          intersect_glyphs->add (g);
+      unsigned start_glyph = startGlyph;
+      for (uint32_t g = HB_SET_VALUE_INVALID;
+	   glyphs->next (&g) && g < start_glyph;)
+	intersect_glyphs->add (g);
+
+      for (uint32_t g = startGlyph + count - 1;
+	   glyphs-> next (&g);)
+	intersect_glyphs->add (g);
 
       return;
     }
 
     for (unsigned i = 0; i < count; i++)
       if (classValue[i] == klass && glyphs->has (startGlyph + i))
-        intersect_glyphs->add (startGlyph + i);
+	intersect_glyphs->add (startGlyph + i);
+
+#if 0
+    /* The following implementation is faster asymptotically, but slower
+     * in practice. */
+    unsigned start_glyph = startGlyph;
+    unsigned end_glyph = start_glyph + count;
+    for (unsigned g = startGlyph - 1;
+	 glyphs->next (&g) && g < end_glyph;)
+      if (classValue.arrayZ[g - start_glyph] == klass)
+        intersect_glyphs->add (g);
+#endif
   }
 
   void intersected_classes (const hb_set_t *glyphs, hb_set_t *intersect_classes) const
@@ -2088,14 +1724,16 @@ struct ClassDefFormat1
 
   protected:
   HBUINT16	classFormat;	/* Format identifier--format = 1 */
-  HBGlyphID16	startGlyph;	/* First GlyphID of the classValueArray */
-  Array16Of<HBUINT16>
+  typename Types::HBGlyphID
+		 startGlyph;	/* First GlyphID of the classValueArray */
+  typename Types::template ArrayOf<HBUINT16>
 		classValue;	/* Array of Class Values--one per GlyphID */
   public:
-  DEFINE_SIZE_ARRAY (6, classValue);
+  DEFINE_SIZE_ARRAY (2 + 2 * Types::size, classValue);
 };
 
-struct ClassDefFormat2
+template <typename Types>
+struct ClassDefFormat2_4
 {
   friend struct ClassDef;
 
@@ -2105,8 +1743,16 @@ struct ClassDefFormat2
     return rangeRecord.bsearch (glyph_id).value;
   }
 
+  unsigned get_population () const
+  {
+    typename Types::large_int ret = 0;
+    for (const auto &r : rangeRecord)
+      ret += r.get_population ();
+    return ret > UINT_MAX ? UINT_MAX : (unsigned) ret;
+  }
+
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it)
   {
@@ -2124,12 +1770,12 @@ struct ClassDefFormat2
     hb_codepoint_t prev_gid = (*it).first;
     unsigned prev_klass = (*it).second;
 
-    RangeRecord range_rec;
+    RangeRecord<Types> range_rec;
     range_rec.first = prev_gid;
     range_rec.last = prev_gid;
     range_rec.value = prev_klass;
 
-    RangeRecord *record = c->copy (range_rec);
+    auto *record = c->copy (range_rec);
     if (unlikely (!record)) return_trace (false);
 
     for (const auto gid_klass_pair : + (++it))
@@ -2167,37 +1813,59 @@ struct ClassDefFormat2
                const Coverage* glyph_filter = nullptr) const
   {
     TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
+    const hb_map_t &glyph_map = *c->plan->glyph_map_gsub;
+    const hb_set_t &glyph_set = *c->plan->glyphset_gsub ();
 
-    hb_sorted_vector_t<HBGlyphID16> glyphs;
+    hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass;
     hb_set_t orig_klasses;
-    hb_map_t gid_org_klass_map;
 
-    unsigned count = rangeRecord.len;
-    for (unsigned i = 0; i < count; i++)
+    if (glyph_set.get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2
+	< get_population ())
     {
-      unsigned klass = rangeRecord[i].value;
-      if (!klass) continue;
-      hb_codepoint_t start = rangeRecord[i].first;
-      hb_codepoint_t end   = rangeRecord[i].last + 1;
-      for (hb_codepoint_t g = start; g < end; g++)
+      for (hb_codepoint_t g : glyph_set)
       {
-	if (!glyphset.has (g)) continue;
-        if (glyph_filter && !glyph_filter->has (g)) continue;
-	glyphs.push (glyph_map[g]);
-	gid_org_klass_map.set (glyph_map[g], klass);
+	unsigned klass = get_class (g);
+	if (!klass) continue;
+	hb_codepoint_t new_gid = glyph_map[g];
+	if (new_gid == HB_MAP_VALUE_INVALID) continue;
+	if (glyph_filter && !glyph_filter->has (g)) continue;
+	glyph_and_klass.push (hb_pair (new_gid, klass));
 	orig_klasses.add (klass);
       }
     }
+    else
+    {
+      unsigned num_source_glyphs = c->plan->source->get_num_glyphs ();
+      for (auto &range : rangeRecord)
+      {
+	unsigned klass = range.value;
+	if (!klass) continue;
+	hb_codepoint_t start = range.first;
+	hb_codepoint_t end   = hb_min (range.last + 1, num_source_glyphs);
+	for (hb_codepoint_t g = start; g < end; g++)
+	{
+	  hb_codepoint_t new_gid = glyph_map[g];
+	  if (new_gid == HB_MAP_VALUE_INVALID) continue;
+	  if (glyph_filter && !glyph_filter->has (g)) continue;
 
+	  glyph_and_klass.push (hb_pair (new_gid, klass));
+	  orig_klasses.add (klass);
+	}
+      }
+    }
+
+    const hb_set_t& glyphset = *c->plan->glyphset_gsub ();
     unsigned glyph_count = glyph_filter
                            ? hb_len (hb_iter (glyphset) | hb_filter (glyph_filter))
-                           : glyphset.get_population ();
-    use_class_zero = use_class_zero && glyph_count <= gid_org_klass_map.get_population ();
-    ClassDef_remap_and_serialize (c->serializer, gid_org_klass_map,
-				  glyphs, orig_klasses, use_class_zero, klass_map);
-    return_trace (keep_empty_table || (bool) glyphs);
+                           : glyph_map.get_population ();
+    use_class_zero = use_class_zero && glyph_count <= glyph_and_klass.length;
+    if (!ClassDef_remap_and_serialize (c->serializer,
+                                       orig_klasses,
+                                       use_class_zero,
+                                       glyph_and_klass,
+                                       klass_map))
+      return_trace (false);
+    return_trace (keep_empty_table || (bool) glyph_and_klass);
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
@@ -2206,13 +1874,14 @@ struct ClassDefFormat2
     return_trace (rangeRecord.sanitize (c));
   }
 
+  unsigned cost () const { return hb_bit_storage ((unsigned) rangeRecord.len); /* bsearch cost */ }
+
   template <typename set_t>
   bool collect_coverage (set_t *glyphs) const
   {
-    unsigned int count = rangeRecord.len;
-    for (unsigned int i = 0; i < count; i++)
-      if (rangeRecord[i].value)
-	if (unlikely (!rangeRecord[i].collect_coverage (glyphs)))
+    for (auto &range : rangeRecord)
+      if (range.value)
+	if (unlikely (!range.collect_coverage (glyphs)))
 	  return false;
     return true;
   }
@@ -2220,11 +1889,10 @@ struct ClassDefFormat2
   template <typename set_t>
   bool collect_class (set_t *glyphs, unsigned int klass) const
   {
-    unsigned int count = rangeRecord.len;
-    for (unsigned int i = 0; i < count; i++)
+    for (auto &range : rangeRecord)
     {
-      if (rangeRecord[i].value == klass)
-	if (unlikely (!rangeRecord[i].collect_coverage (glyphs)))
+      if (range.value == klass)
+	if (unlikely (!range.collect_coverage (glyphs)))
 	  return false;
     }
     return true;
@@ -2232,90 +1900,87 @@ struct ClassDefFormat2
 
   bool intersects (const hb_set_t *glyphs) const
   {
-    /* TODO Speed up, using hb_set_next() and bsearch()? */
-    unsigned int count = rangeRecord.len;
-    for (unsigned int i = 0; i < count; i++)
+    if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
     {
-      const auto& range = rangeRecord[i];
-      if (range.intersects (glyphs) && range.value)
-	return true;
+      for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
+        if (get_class (g))
+	  return true;
+      return false;
     }
-    return false;
+
+    return hb_any (+ hb_iter (rangeRecord)
+                   | hb_map ([glyphs] (const RangeRecord<Types> &range) { return range.intersects (*glyphs) && range.value; }));
   }
   bool intersects_class (const hb_set_t *glyphs, uint16_t klass) const
   {
-    unsigned int count = rangeRecord.len;
     if (klass == 0)
     {
       /* Match if there's any glyph that is not listed! */
       hb_codepoint_t g = HB_SET_VALUE_INVALID;
-      for (unsigned int i = 0; i < count; i++)
+      for (auto &range : rangeRecord)
       {
-	if (!hb_set_next (glyphs, &g))
+	if (!glyphs->next (&g))
 	  break;
-	if (g < rangeRecord[i].first)
+	if (g < range.first)
 	  return true;
-	g = rangeRecord[i].last;
+	g = range.last;
       }
-      if (g != HB_SET_VALUE_INVALID && hb_set_next (glyphs, &g))
+      if (g != HB_SET_VALUE_INVALID && glyphs->next (&g))
 	return true;
       /* Fall through. */
     }
-    /* TODO Speed up, using set overlap first? */
-    /* TODO(iter) Rewrite as dagger. */
-    HBUINT16 k {klass};
-    const RangeRecord *arr = rangeRecord.arrayZ;
-    for (unsigned int i = 0; i < count; i++)
-      if (arr[i].value == k && arr[i].intersects (glyphs))
+    for (const auto &range : rangeRecord)
+      if (range.value == klass && range.intersects (*glyphs))
 	return true;
     return false;
   }
 
   void intersected_class_glyphs (const hb_set_t *glyphs, unsigned klass, hb_set_t *intersect_glyphs) const
   {
-    unsigned count = rangeRecord.len;
     if (klass == 0)
     {
       hb_codepoint_t g = HB_SET_VALUE_INVALID;
-      for (unsigned int i = 0; i < count; i++)
+      for (auto &range : rangeRecord)
       {
-        if (!hb_set_next (glyphs, &g))
-          break;
-        while (g != HB_SET_VALUE_INVALID && g < rangeRecord[i].first)
-        {
-          intersect_glyphs->add (g);
-          hb_set_next (glyphs, &g);
+	if (!glyphs->next (&g))
+	  goto done;
+	while (g < range.first)
+	{
+	  intersect_glyphs->add (g);
+	  if (!glyphs->next (&g))
+	    goto done;
         }
-        g = rangeRecord[i].last;
+        g = range.last;
       }
-      while (g != HB_SET_VALUE_INVALID && hb_set_next (glyphs, &g))
-        intersect_glyphs->add (g);
+      while (glyphs->next (&g))
+	intersect_glyphs->add (g);
+      done:
 
       return;
     }
 
-    hb_codepoint_t g = HB_SET_VALUE_INVALID;
-    for (unsigned int i = 0; i < count; i++)
+    unsigned count = rangeRecord.len;
+    if (count > glyphs->get_population () * hb_bit_storage (count) * 8)
     {
-      if (rangeRecord[i].value != klass) continue;
-
-      if (g != HB_SET_VALUE_INVALID)
+      for (hb_codepoint_t g = HB_SET_VALUE_INVALID;
+	   glyphs->next (&g);)
       {
-        if (g >= rangeRecord[i].first &&
-            g <= rangeRecord[i].last)
-          intersect_glyphs->add (g);
-        if (g > rangeRecord[i].last)
-          continue;
+        unsigned i;
+        if (rangeRecord.as_array ().bfind (g, &i) &&
+	    rangeRecord.arrayZ[i].value == klass)
+	  intersect_glyphs->add (g);
       }
+      return;
+    }
 
-      g = rangeRecord[i].first - 1;
-      while (hb_set_next (glyphs, &g))
-      {
-        if (g >= rangeRecord[i].first && g <= rangeRecord[i].last)
-          intersect_glyphs->add (g);
-        else if (g > rangeRecord[i].last)
-          break;
-      }
+    for (auto &range : rangeRecord)
+    {
+      if (range.value != klass) continue;
+
+      unsigned end = range.last + 1;
+      for (hb_codepoint_t g = range.first - 1;
+	   glyphs->next (&g) && g < end;)
+	intersect_glyphs->add (g);
     }
   }
 
@@ -2323,43 +1988,40 @@ struct ClassDefFormat2
   {
     if (glyphs->is_empty ()) return;
 
-    unsigned count = rangeRecord.len;
     hb_codepoint_t g = HB_SET_VALUE_INVALID;
-    for (unsigned int i = 0; i < count; i++)
+    for (auto &range : rangeRecord)
     {
-      if (!hb_set_next (glyphs, &g))
+      if (!glyphs->next (&g))
         break;
-      if (g < rangeRecord[i].first)
+      if (g < range.first)
       {
         intersect_classes->add (0);
         break;
       }
-      g = rangeRecord[i].last;
+      g = range.last;
     }
-    if (g != HB_SET_VALUE_INVALID && hb_set_next (glyphs, &g))
+    if (g != HB_SET_VALUE_INVALID && glyphs->next (&g))
       intersect_classes->add (0);
 
-    for (const RangeRecord& record : rangeRecord.iter ())
-      if (record.intersects (glyphs))
-        intersect_classes->add (record.value);
+    for (const auto& range : rangeRecord)
+      if (range.intersects (*glyphs))
+        intersect_classes->add (range.value);
   }
 
   protected:
   HBUINT16	classFormat;	/* Format identifier--format = 2 */
-  SortedArray16Of<RangeRecord>
+  typename Types::template SortedArrayOf<RangeRecord<Types>>
 		rangeRecord;	/* Array of glyph ranges--ordered by
 				 * Start GlyphID */
   public:
-  DEFINE_SIZE_ARRAY (4, rangeRecord);
+  DEFINE_SIZE_ARRAY (2 + Types::size, rangeRecord);
 };
 
 struct ClassDef
 {
   /* Has interface. */
-  static constexpr unsigned SENTINEL = 0;
-  typedef unsigned int value_t;
-  value_t operator [] (hb_codepoint_t k) const { return get (k); }
-  bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }
+  unsigned operator [] (hb_codepoint_t k) const { return get (k); }
+  bool has (hb_codepoint_t k) const { return (*this)[k]; }
   /* Projection. */
   hb_codepoint_t operator () (hb_codepoint_t k) const { return get (k); }
 
@@ -2369,12 +2031,29 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.get_class (glyph_id);
     case 2: return u.format2.get_class (glyph_id);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.get_class (glyph_id);
+    case 4: return u.format4.get_class (glyph_id);
+#endif
     default:return 0;
     }
   }
 
+  unsigned get_population () const
+  {
+    switch (u.format) {
+    case 1: return u.format1.get_population ();
+    case 2: return u.format2.get_population ();
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.get_population ();
+    case 4: return u.format4.get_population ();
+#endif
+    default:return NOT_COVERED;
+    }
+  }
+
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
   bool serialize (hb_serialize_context_t *c, Iterator it_with_class_zero)
   {
     TRACE_SERIALIZE (this);
@@ -2383,10 +2062,11 @@ struct ClassDef
     auto it = + it_with_class_zero | hb_filter (hb_second);
 
     unsigned format = 2;
+    hb_codepoint_t glyph_max = 0;
     if (likely (it))
     {
       hb_codepoint_t glyph_min = (*it).first;
-      hb_codepoint_t glyph_max = glyph_min;
+      glyph_max = glyph_min;
 
       unsigned num_glyphs = 0;
       unsigned num_ranges = 1;
@@ -2411,12 +2091,22 @@ struct ClassDef
       if (num_glyphs && 1 + (glyph_max - glyph_min + 1) <= num_ranges * 3)
 	format = 1;
     }
+
+#ifndef HB_NO_BEYOND_64K
+    if (glyph_max > 0xFFFFu)
+      format += 2;
+#endif
+
     u.format = format;
 
     switch (u.format)
     {
     case 1: return_trace (u.format1.serialize (c, it));
     case 2: return_trace (u.format2.serialize (c, it));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.serialize (c, it));
+    case 4: return_trace (u.format4.serialize (c, it));
+#endif
     default:return_trace (false);
     }
   }
@@ -2431,6 +2121,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return_trace (u.format1.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
     case 2: return_trace (u.format2.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
+    case 4: return_trace (u.format4.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
+#endif
     default:return_trace (false);
     }
   }
@@ -2442,10 +2136,27 @@ struct ClassDef
     switch (u.format) {
     case 1: return_trace (u.format1.sanitize (c));
     case 2: return_trace (u.format2.sanitize (c));
+#ifndef HB_NO_BEYOND_64K
+    case 3: return_trace (u.format3.sanitize (c));
+    case 4: return_trace (u.format4.sanitize (c));
+#endif
     default:return_trace (true);
     }
   }
 
+  unsigned cost () const
+  {
+    switch (u.format) {
+    case 1: return u.format1.cost ();
+    case 2: return u.format2.cost ();
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.cost ();
+    case 4: return u.format4.cost ();
+#endif
+    default:return 0u;
+    }
+  }
+
   /* Might return false if array looks unsorted.
    * Used for faster rejection of corrupt data. */
   template <typename set_t>
@@ -2454,6 +2165,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.collect_coverage (glyphs);
     case 2: return u.format2.collect_coverage (glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.collect_coverage (glyphs);
+    case 4: return u.format4.collect_coverage (glyphs);
+#endif
     default:return false;
     }
   }
@@ -2466,6 +2181,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.collect_class (glyphs, klass);
     case 2: return u.format2.collect_class (glyphs, klass);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.collect_class (glyphs, klass);
+    case 4: return u.format4.collect_class (glyphs, klass);
+#endif
     default:return false;
     }
   }
@@ -2475,6 +2194,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.intersects (glyphs);
     case 2: return u.format2.intersects (glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersects (glyphs);
+    case 4: return u.format4.intersects (glyphs);
+#endif
     default:return false;
     }
   }
@@ -2483,6 +2206,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.intersects_class (glyphs, klass);
     case 2: return u.format2.intersects_class (glyphs, klass);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersects_class (glyphs, klass);
+    case 4: return u.format4.intersects_class (glyphs, klass);
+#endif
     default:return false;
     }
   }
@@ -2492,6 +2219,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.intersected_class_glyphs (glyphs, klass, intersect_glyphs);
     case 2: return u.format2.intersected_class_glyphs (glyphs, klass, intersect_glyphs);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersected_class_glyphs (glyphs, klass, intersect_glyphs);
+    case 4: return u.format4.intersected_class_glyphs (glyphs, klass, intersect_glyphs);
+#endif
     default:return;
     }
   }
@@ -2501,6 +2232,10 @@ struct ClassDef
     switch (u.format) {
     case 1: return u.format1.intersected_classes (glyphs, intersect_classes);
     case 2: return u.format2.intersected_classes (glyphs, intersect_classes);
+#ifndef HB_NO_BEYOND_64K
+    case 3: return u.format3.intersected_classes (glyphs, intersect_classes);
+    case 4: return u.format4.intersected_classes (glyphs, intersect_classes);
+#endif
     default:return;
     }
   }
@@ -2508,18 +2243,22 @@ struct ClassDef
 
   protected:
   union {
-  HBUINT16		format;		/* Format identifier */
-  ClassDefFormat1	format1;
-  ClassDefFormat2	format2;
+  HBUINT16			format;		/* Format identifier */
+  ClassDefFormat1_3<SmallTypes>	format1;
+  ClassDefFormat2_4<SmallTypes>	format2;
+#ifndef HB_NO_BEYOND_64K
+  ClassDefFormat1_3<MediumTypes>format3;
+  ClassDefFormat2_4<MediumTypes>format4;
+#endif
   } u;
   public:
   DEFINE_SIZE_UNION (2, format);
 };
 
 template<typename Iterator>
-static inline void ClassDef_serialize (hb_serialize_context_t *c,
+static inline bool ClassDef_serialize (hb_serialize_context_t *c,
 				       Iterator it)
-{ c->start_embed<ClassDef> ()->serialize (c, it); }
+{ return (c->start_embed<ClassDef> ()->serialize (c, it)); }
 
 
 /*
@@ -2567,14 +2306,27 @@ struct VarRegionAxis
   DEFINE_SIZE_STATIC (6);
 };
 
+#define REGION_CACHE_ITEM_CACHE_INVALID 2.f
+
 struct VarRegionList
 {
+  using cache_t = float;
+
   float evaluate (unsigned int region_index,
-		  const int *coords, unsigned int coord_len) const
+		  const int *coords, unsigned int coord_len,
+		  cache_t *cache = nullptr) const
   {
     if (unlikely (region_index >= regionCount))
       return 0.;
 
+    float *cached_value = nullptr;
+    if (cache)
+    {
+      cached_value = &(cache[region_index]);
+      if (likely (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID))
+	return *cached_value;
+    }
+
     const VarRegionAxis *axes = axesZ.arrayZ + (region_index * axisCount);
 
     float v = 1.;
@@ -2584,9 +2336,16 @@ struct VarRegionList
       int coord = i < coord_len ? coords[i] : 0;
       float factor = axes[i].evaluate (coord);
       if (factor == 0.f)
+      {
+        if (cache)
+	  *cached_value = 0.;
 	return 0.;
+      }
       v *= factor;
     }
+
+    if (cache)
+      *cached_value = v;
     return v;
   }
 
@@ -2610,7 +2369,7 @@ struct VarRegionList
     {
       unsigned int backward = region_map.backward (r);
       if (backward >= region_count) return_trace (false);
-      memcpy (&axesZ[axisCount * r], &src->axesZ[axisCount * backward], VarRegionAxis::static_size * axisCount);
+      hb_memcpy (&axesZ[axisCount * r], &src->axesZ[axisCount * backward], VarRegionAxis::static_size * axisCount);
     }
 
     return_trace (true);
@@ -2634,7 +2393,7 @@ struct VarData
   { return regionIndices.len; }
 
   unsigned int get_row_size () const
-  { return shortCount + regionIndices.len; }
+  { return (wordCount () + regionIndices.len) * (longWords () ? 2 : 1); }
 
   unsigned int get_size () const
   { return min_size
@@ -2644,30 +2403,40 @@ struct VarData
 
   float get_delta (unsigned int inner,
 		   const int *coords, unsigned int coord_count,
-		   const VarRegionList &regions) const
+		   const VarRegionList &regions,
+		   VarRegionList::cache_t *cache = nullptr) const
   {
     if (unlikely (inner >= itemCount))
       return 0.;
 
    unsigned int count = regionIndices.len;
-   unsigned int scount = shortCount;
+   bool is_long = longWords ();
+   unsigned word_count = wordCount ();
+   unsigned int scount = is_long ? count : word_count;
+   unsigned int lcount = is_long ? word_count : 0;
 
    const HBUINT8 *bytes = get_delta_bytes ();
-   const HBUINT8 *row = bytes + inner * (scount + count);
+   const HBUINT8 *row = bytes + inner * get_row_size ();
 
    float delta = 0.;
    unsigned int i = 0;
 
-   const HBINT16 *scursor = reinterpret_cast<const HBINT16 *> (row);
+   const HBINT32 *lcursor = reinterpret_cast<const HBINT32 *> (row);
+   for (; i < lcount; i++)
+   {
+     float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count, cache);
+     delta += scalar * *lcursor++;
+   }
+   const HBINT16 *scursor = reinterpret_cast<const HBINT16 *> (lcursor);
    for (; i < scount; i++)
    {
-     float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count);
+     float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count, cache);
      delta += scalar * *scursor++;
    }
    const HBINT8 *bcursor = reinterpret_cast<const HBINT8 *> (scursor);
    for (; i < count; i++)
    {
-     float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count);
+     float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count, cache);
      delta += scalar * *bcursor++;
    }
 
@@ -2691,7 +2460,7 @@ struct VarData
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
 		  regionIndices.sanitize (c) &&
-		  shortCount <= regionIndices.len &&
+		  wordCount () <= regionIndices.len &&
 		  c->check_range (get_delta_bytes (),
 				  itemCount,
 				  get_row_size ()));
@@ -2706,55 +2475,96 @@ struct VarData
     if (unlikely (!c->extend_min (this))) return_trace (false);
     itemCount = inner_map.get_next_value ();
 
-    /* Optimize short count */
-    unsigned short ri_count = src->regionIndices.len;
-    enum delta_size_t { kZero=0, kByte, kShort };
+    /* Optimize word count */
+    unsigned ri_count = src->regionIndices.len;
+    enum delta_size_t { kZero=0, kNonWord, kWord };
     hb_vector_t<delta_size_t> delta_sz;
-    hb_vector_t<unsigned int> ri_map;	/* maps old index to new index */
+    hb_vector_t<unsigned int> ri_map;	/* maps new index to old index */
     delta_sz.resize (ri_count);
     ri_map.resize (ri_count);
-    unsigned int new_short_count = 0;
+    unsigned int new_word_count = 0;
     unsigned int r;
+
+    const HBUINT8 *src_delta_bytes = src->get_delta_bytes ();
+    unsigned src_row_size = src->get_row_size ();
+    unsigned src_word_count = src->wordCount ();
+    bool     src_long_words = src->longWords ();
+
+    bool has_long = false;
+    if (src_long_words)
+    {
+      for (r = 0; r < src_word_count; r++)
+      {
+	for (unsigned int i = 0; i < inner_map.get_next_value (); i++)
+	{
+	  unsigned int old = inner_map.backward (i);
+	  int32_t delta = src->get_item_delta_fast (old, r, src_delta_bytes, src_row_size);
+	  if (delta < -65536 || 65535 < delta)
+	  {
+	    has_long = true;
+	    break;
+	  }
+        }
+      }
+    }
+
+    signed min_threshold = has_long ? -65536 : -128;
+    signed max_threshold = has_long ? +65535 : +127;
     for (r = 0; r < ri_count; r++)
     {
+      bool short_circuit = src_long_words == has_long && src_word_count <= r;
+
       delta_sz[r] = kZero;
       for (unsigned int i = 0; i < inner_map.get_next_value (); i++)
       {
 	unsigned int old = inner_map.backward (i);
-	int16_t delta = src->get_item_delta (old, r);
-	if (delta < -128 || 127 < delta)
+	int32_t delta = src->get_item_delta_fast (old, r, src_delta_bytes, src_row_size);
+	if (delta < min_threshold || max_threshold < delta)
 	{
-	  delta_sz[r] = kShort;
-	  new_short_count++;
+	  delta_sz[r] = kWord;
+	  new_word_count++;
 	  break;
 	}
 	else if (delta != 0)
-	  delta_sz[r] = kByte;
+	{
+	  delta_sz[r] = kNonWord;
+	  if (short_circuit)
+	    break;
+	}
       }
     }
-    unsigned int short_index = 0;
-    unsigned int byte_index = new_short_count;
+
+    unsigned int word_index = 0;
+    unsigned int non_word_index = new_word_count;
     unsigned int new_ri_count = 0;
     for (r = 0; r < ri_count; r++)
       if (delta_sz[r])
       {
-	ri_map[r] = (delta_sz[r] == kShort)? short_index++ : byte_index++;
+	unsigned new_r = (delta_sz[r] == kWord)? word_index++ : non_word_index++;
+	ri_map[new_r] = r;
 	new_ri_count++;
       }
 
-    shortCount = new_short_count;
+    wordSizeCount = new_word_count | (has_long ? 0x8000u /* LONG_WORDS */ : 0);
+
     regionIndices.len = new_ri_count;
 
     if (unlikely (!c->extend (this))) return_trace (false);
 
-    for (r = 0; r < ri_count; r++)
-      if (delta_sz[r]) regionIndices[ri_map[r]] = region_map[src->regionIndices[r]];
+    for (r = 0; r < new_ri_count; r++)
+      regionIndices[r] = region_map[src->regionIndices[ri_map[r]]];
 
-    for (unsigned int i = 0; i < itemCount; i++)
+    HBUINT8 *delta_bytes = get_delta_bytes ();
+    unsigned row_size = get_row_size ();
+    unsigned count = itemCount;
+    for (unsigned int i = 0; i < count; i++)
     {
-      unsigned int	old = inner_map.backward (i);
-      for (unsigned int r = 0; r < ri_count; r++)
-	if (delta_sz[r]) set_item_delta (i, ri_map[r], src->get_item_delta (old, r));
+      unsigned int old = inner_map.backward (i);
+      for (unsigned int r = 0; r < new_ri_count; r++)
+	set_item_delta_fast (i, r,
+			     src->get_item_delta_fast (old, ri_map[r],
+						       src_delta_bytes, src_row_size),
+			     delta_bytes, row_size);
     }
 
     return_trace (true);
@@ -2762,12 +2572,15 @@ struct VarData
 
   void collect_region_refs (hb_set_t &region_indices, const hb_inc_bimap_t &inner_map) const
   {
+    const HBUINT8 *delta_bytes = get_delta_bytes ();
+    unsigned row_size = get_row_size ();
+
     for (unsigned int r = 0; r < regionIndices.len; r++)
     {
-      unsigned int region = regionIndices[r];
+      unsigned int region = regionIndices.arrayZ[r];
       if (region_indices.has (region)) continue;
       for (unsigned int i = 0; i < inner_map.get_next_value (); i++)
-	if (get_item_delta (inner_map.backward (i), r) != 0)
+	if (get_item_delta_fast (inner_map.backward (i), r, delta_bytes, row_size) != 0)
 	{
 	  region_indices.add (region);
 	  break;
@@ -2782,28 +2595,70 @@ struct VarData
   HBUINT8 *get_delta_bytes ()
   { return &StructAfter<HBUINT8> (regionIndices); }
 
-  int16_t get_item_delta (unsigned int item, unsigned int region) const
+  int32_t get_item_delta_fast (unsigned int item, unsigned int region,
+			       const HBUINT8 *delta_bytes, unsigned row_size) const
   {
-    if ( item >= itemCount || unlikely (region >= regionIndices.len)) return 0;
-    const HBINT8 *p = (const HBINT8 *)get_delta_bytes () + item * get_row_size ();
-    if (region < shortCount)
-      return ((const HBINT16 *)p)[region];
+    if (unlikely (item >= itemCount || region >= regionIndices.len)) return 0;
+
+    const HBINT8 *p = (const HBINT8 *) delta_bytes + item * row_size;
+    unsigned word_count = wordCount ();
+    bool is_long = longWords ();
+    if (is_long)
+    {
+      if (region < word_count)
+	return ((const HBINT32 *) p)[region];
+      else
+	return ((const HBINT16 *)(p + HBINT32::static_size * word_count))[region - word_count];
+    }
     else
-      return (p + HBINT16::static_size * shortCount)[region - shortCount];
+    {
+      if (region < word_count)
+	return ((const HBINT16 *) p)[region];
+      else
+	return (p + HBINT16::static_size * word_count)[region - word_count];
+    }
+  }
+  int32_t get_item_delta (unsigned int item, unsigned int region) const
+  {
+     return get_item_delta_fast (item, region,
+				 get_delta_bytes (),
+				 get_row_size ());
   }
 
-  void set_item_delta (unsigned int item, unsigned int region, int16_t delta)
+  void set_item_delta_fast (unsigned int item, unsigned int region, int32_t delta,
+			    HBUINT8 *delta_bytes, unsigned row_size)
   {
-    HBINT8 *p = (HBINT8 *)get_delta_bytes () + item * get_row_size ();
-    if (region < shortCount)
-      ((HBINT16 *)p)[region] = delta;
+    HBINT8 *p = (HBINT8 *) delta_bytes + item * row_size;
+    unsigned word_count = wordCount ();
+    bool is_long = longWords ();
+    if (is_long)
+    {
+      if (region < word_count)
+	((HBINT32 *) p)[region] = delta;
+      else
+	((HBINT16 *)(p + HBINT32::static_size * word_count))[region - word_count] = delta;
+    }
     else
-      (p + HBINT16::static_size * shortCount)[region - shortCount] = delta;
+    {
+      if (region < word_count)
+	((HBINT16 *) p)[region] = delta;
+      else
+	(p + HBINT16::static_size * word_count)[region - word_count] = delta;
+    }
   }
+  void set_item_delta (unsigned int item, unsigned int region, int32_t delta)
+  {
+    set_item_delta_fast (item, region, delta,
+			 get_delta_bytes (),
+			 get_row_size ());
+  }
+
+  bool longWords () const { return wordSizeCount & 0x8000u /* LONG_WORDS */; }
+  unsigned wordCount () const { return wordSizeCount & 0x7FFFu /* WORD_DELTA_COUNT_MASK */; }
 
   protected:
   HBUINT16		itemCount;
-  HBUINT16		shortCount;
+  HBUINT16		wordSizeCount;
   Array16Of<HBUINT16>	regionIndices;
 /*UnsizedArrayOf<HBUINT8>bytesX;*/
   public:
@@ -2812,9 +2667,31 @@ struct VarData
 
 struct VariationStore
 {
+  using cache_t = VarRegionList::cache_t;
+
+  cache_t *create_cache () const
+  {
+#ifdef HB_NO_VAR
+    return nullptr;
+#endif
+    auto &r = this+regions;
+    unsigned count = r.regionCount;
+
+    float *cache = (float *) hb_malloc (sizeof (float) * count);
+    if (unlikely (!cache)) return nullptr;
+
+    for (unsigned i = 0; i < count; i++)
+      cache[i] = REGION_CACHE_ITEM_CACHE_INVALID;
+
+    return cache;
+  }
+
+  static void destroy_cache (cache_t *cache) { hb_free (cache); }
+
   private:
   float get_delta (unsigned int outer, unsigned int inner,
-		   const int *coords, unsigned int coord_count) const
+		   const int *coords, unsigned int coord_count,
+		   VarRegionList::cache_t *cache = nullptr) const
   {
 #ifdef HB_NO_VAR
     return 0.f;
@@ -2825,16 +2702,26 @@ struct VariationStore
 
     return (this+dataSets[outer]).get_delta (inner,
 					     coords, coord_count,
-					     this+regions);
+					     this+regions,
+					     cache);
   }
 
   public:
   float get_delta (unsigned int index,
-		   const int *coords, unsigned int coord_count) const
+		   const int *coords, unsigned int coord_count,
+		   VarRegionList::cache_t *cache = nullptr) const
   {
     unsigned int outer = index >> 16;
     unsigned int inner = index & 0xFFFF;
-    return get_delta (outer, inner, coords, coord_count);
+    return get_delta (outer, inner, coords, coord_count, cache);
+  }
+  float get_delta (unsigned int index,
+		   hb_array_t<int> coords,
+		   VarRegionList::cache_t *cache = nullptr) const
+  {
+    return get_delta (index,
+		      coords.arrayZ, coords.length,
+		      cache);
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
@@ -2852,9 +2739,13 @@ struct VariationStore
 
   bool serialize (hb_serialize_context_t *c,
 		  const VariationStore *src,
-		  const hb_array_t <hb_inc_bimap_t> &inner_maps)
+		  const hb_array_t <const hb_inc_bimap_t> &inner_maps)
   {
     TRACE_SERIALIZE (this);
+#ifdef HB_NO_VAR
+    return_trace (false);
+#endif
+
     if (unlikely (!c->extend_min (this))) return_trace (false);
 
     unsigned int set_count = 0;
@@ -2903,29 +2794,17 @@ struct VariationStore
     return_trace (true);
   }
 
-  bool subset (hb_subset_context_t *c) const
+  bool subset (hb_subset_context_t *c, const hb_array_t<const hb_inc_bimap_t> &inner_maps) const
   {
     TRACE_SUBSET (this);
+#ifdef HB_NO_VAR
+    return_trace (false);
+#endif
 
     VariationStore *varstore_prime = c->serializer->start_embed<VariationStore> ();
     if (unlikely (!varstore_prime)) return_trace (false);
 
-    const hb_set_t *variation_indices = c->plan->layout_variation_indices;
-    if (variation_indices->is_empty ()) return_trace (false);
-
-    hb_vector_t<hb_inc_bimap_t> inner_maps;
-    inner_maps.resize ((unsigned) dataSets.len);
-
-    for (unsigned idx : c->plan->layout_variation_indices->iter ())
-    {
-      uint16_t major = idx >> 16;
-      uint16_t minor = idx & 0xFFFF;
-
-      if (major >= inner_maps.length)
-	return_trace (false);
-      inner_maps[major].add (minor);
-    }
-    varstore_prime->serialize (c->serializer, this, inner_maps.as_array ());
+    varstore_prime->serialize (c->serializer, this, inner_maps);
 
     return_trace (
         !c->serializer->in_error()
@@ -2933,7 +2812,12 @@ struct VariationStore
   }
 
   unsigned int get_region_index_count (unsigned int major) const
-  { return (this+dataSets[major]).get_region_index_count (); }
+  {
+#ifdef HB_NO_VAR
+    return 0;
+#endif
+    return (this+dataSets[major]).get_region_index_count ();
+  }
 
   void get_region_scalars (unsigned int major,
 			   const int *coords, unsigned int coord_count,
@@ -2951,7 +2835,13 @@ struct VariationStore
 					       &scalars[0], num_scalars);
   }
 
-  unsigned int get_sub_table_count () const { return dataSets.len; }
+  unsigned int get_sub_table_count () const
+   {
+#ifdef HB_NO_VAR
+     return 0;
+#endif
+     return dataSets.len;
+   }
 
   protected:
   HBUINT16				format;
@@ -2961,9 +2851,18 @@ struct VariationStore
   DEFINE_SIZE_ARRAY_SIZED (8, dataSets);
 };
 
+#undef REGION_CACHE_ITEM_CACHE_INVALID
+
 /*
  * Feature Variations
  */
+enum Cond_with_Var_flag_t
+{
+  KEEP_COND_WITH_VAR = 0,
+  DROP_COND_WITH_VAR = 1,
+  DROP_RECORD_WITH_VAR = 2,
+  MEM_ERR_WITH_VAR = 3,
+};
 
 struct ConditionFormat1
 {
@@ -2974,10 +2873,52 @@ struct ConditionFormat1
     TRACE_SUBSET (this);
     auto *out = c->serializer->embed (this);
     if (unlikely (!out)) return_trace (false);
-    return_trace (true);
+
+    const hb_map_t *index_map = c->plan->axes_index_map;
+    if (index_map->is_empty ()) return_trace (true);
+
+    if (!index_map->has (axisIndex))
+      return_trace (false);
+
+    return_trace (c->serializer->check_assign (out->axisIndex, index_map->get (axisIndex),
+                                               HB_SERIALIZE_ERROR_INT_OVERFLOW));
   }
 
   private:
+  Cond_with_Var_flag_t keep_with_variations (hb_collect_feature_substitutes_with_var_context_t *c,
+                                             hb_map_t *condition_map /* OUT */) const
+  {
+    //invalid axis index, drop the entire record
+    if (!c->axes_index_tag_map->has (axisIndex))
+      return DROP_RECORD_WITH_VAR;
+
+    hb_tag_t axis_tag = c->axes_index_tag_map->get (axisIndex);
+
+    //axis not pinned, keep the condition
+    if (!c->axes_location->has (axis_tag))
+    {
+      // add axisIndex->value into the hashmap so we can check if the record is
+      // unique with variations
+      int16_t min_val = filterRangeMinValue;
+      int16_t max_val = filterRangeMaxValue;
+      hb_codepoint_t val = (max_val << 16) + min_val;
+
+      condition_map->set (axisIndex, val);
+      return KEEP_COND_WITH_VAR;
+    }
+
+    //axis pinned, check if condition is met
+    //TODO: add check for axis Ranges
+    int v = c->axes_location->get (axis_tag);
+
+    //condition not met, drop the entire record
+    if (v < filterRangeMinValue || v > filterRangeMaxValue)
+      return DROP_RECORD_WITH_VAR;
+
+    //axis pinned and condition met, drop the condition
+    return DROP_COND_WITH_VAR;
+  }
+
   bool evaluate (const int *coords, unsigned int coord_len) const
   {
     int coord = axisIndex < coord_len ? coords[axisIndex] : 0;
@@ -3009,6 +2950,15 @@ struct Condition
     }
   }
 
+  Cond_with_Var_flag_t keep_with_variations (hb_collect_feature_substitutes_with_var_context_t *c,
+                                             hb_map_t *condition_map /* OUT */) const
+  {
+    switch (u.format) {
+    case 1: return u.format1.keep_with_variations (c, condition_map);
+    default:return KEEP_COND_WITH_VAR;
+    }
+  }
+
   template <typename context_t, typename ...Ts>
   typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
   {
@@ -3050,15 +3000,65 @@ struct ConditionSet
     return true;
   }
 
-  bool subset (hb_subset_context_t *c) const
+  Cond_with_Var_flag_t keep_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
+  {
+    hb_map_t *condition_map = hb_map_create ();
+    if (unlikely (!condition_map)) return MEM_ERR_WITH_VAR;
+    hb::shared_ptr<hb_map_t> p {condition_map};
+
+    hb_set_t *cond_set = hb_set_create ();
+    if (unlikely (!cond_set)) return MEM_ERR_WITH_VAR;
+    hb::shared_ptr<hb_set_t> s {cond_set};
+
+    unsigned num_kept_cond = 0, cond_idx = 0;
+    for (const auto& offset : conditions)
+    {
+      Cond_with_Var_flag_t ret = (this+offset).keep_with_variations (c, condition_map);
+      // one condition is not met, drop the entire record
+      if (ret == DROP_RECORD_WITH_VAR)
+        return DROP_RECORD_WITH_VAR;
+
+      // axis not pinned, keep this condition
+      if (ret == KEEP_COND_WITH_VAR)
+      {
+        cond_set->add (cond_idx);
+        num_kept_cond++;
+      }
+      cond_idx++;
+    }
+
+    // all conditions met
+    if (num_kept_cond == 0) return DROP_COND_WITH_VAR;
+
+    //check if condition_set is unique with variations
+    if (c->conditionset_map->has (p))
+      //duplicate found, drop the entire record
+      return DROP_RECORD_WITH_VAR;
+
+    c->conditionset_map->set (p, 1);
+    c->record_cond_idx_map->set (c->cur_record_idx, s);
+
+    return KEEP_COND_WITH_VAR;
+  }
+
+  bool subset (hb_subset_context_t *c,
+               hb_subset_layout_context_t *l) const
   {
     TRACE_SUBSET (this);
     auto *out = c->serializer->start_embed (this);
     if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
 
-    + conditions.iter ()
-    | hb_apply (subset_offset_array (c, out->conditions, this))
-    ;
+    hb_set_t *retained_cond_set = nullptr;
+    if (l->feature_record_cond_idx_map != nullptr)
+      retained_cond_set = l->feature_record_cond_idx_map->get (l->cur_feature_var_record_idx);
+
+    unsigned int count = conditions.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (retained_cond_set != nullptr && !retained_cond_set->has (i))
+        continue;
+      subset_offset_array (c, out->conditions, this) (conditions[i]);
+    }
 
     return_trace (bool (out->conditions));
   }
@@ -3092,10 +3092,19 @@ struct FeatureTableSubstitutionRecord
       feature_indexes->add (featureIndex);
   }
 
+  void collect_feature_substitutes_with_variations (hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map,
+                                                    const hb_set_t *feature_indices,
+                                                    const void *base) const
+  {
+    if (feature_indices->has (featureIndex))
+      feature_substitutes_map->set (featureIndex, &(base+feature));
+  }
+
   bool subset (hb_subset_layout_context_t *c, const void *base) const
   {
     TRACE_SUBSET (this);
-    if (!c->feature_index_map->has (featureIndex)) {
+    if (!c->feature_index_map->has (featureIndex) ||
+        c->feature_substitutes_map->has (featureIndex)) {
       // Feature that is being substituted is not being retained, so we don't
       // need this.
       return_trace (false);
@@ -3137,10 +3146,16 @@ struct FeatureTableSubstitution
   }
 
   void collect_lookups (const hb_set_t *feature_indexes,
+			const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map,
 			hb_set_t       *lookup_indexes /* OUT */) const
   {
     + hb_iter (substitutions)
     | hb_filter (feature_indexes, &FeatureTableSubstitutionRecord::featureIndex)
+    | hb_filter ([feature_substitutes_map] (const FeatureTableSubstitutionRecord& record)
+                 {
+                   if (feature_substitutes_map == nullptr) return true;
+                   return !feature_substitutes_map->has (record.featureIndex);
+                 })
     | hb_apply ([this, lookup_indexes] (const FeatureTableSubstitutionRecord& r)
 		{ r.collect_lookups (this, lookup_indexes); })
     ;
@@ -3162,6 +3177,12 @@ struct FeatureTableSubstitution
     return false;
   }
 
+  void collect_feature_substitutes_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
+  {
+    for (const FeatureTableSubstitutionRecord& record : substitutions)
+      record.collect_feature_substitutes_with_variations (c->feature_substitutes_map, c->feature_indices, this);
+  }
+
   bool subset (hb_subset_context_t        *c,
 	       hb_subset_layout_context_t *l) const
   {
@@ -3201,9 +3222,10 @@ struct FeatureVariationRecord
 
   void collect_lookups (const void     *base,
 			const hb_set_t *feature_indexes,
+			const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map,
 			hb_set_t       *lookup_indexes /* OUT */) const
   {
-    return (base+substitutions).collect_lookups (feature_indexes, lookup_indexes);
+    return (base+substitutions).collect_lookups (feature_indexes, feature_substitutes_map, lookup_indexes);
   }
 
   void closure_features (const void     *base,
@@ -3218,13 +3240,25 @@ struct FeatureVariationRecord
     return (base+substitutions).intersects_features (feature_index_map);
   }
 
+  void collect_feature_substitutes_with_variations (hb_collect_feature_substitutes_with_var_context_t *c,
+                                                    const void *base) const
+  {
+    // ret == 1, all conditions met
+    if ((base+conditions).keep_with_variations (c) == DROP_COND_WITH_VAR &&
+        c->apply)
+    {
+      (base+substitutions).collect_feature_substitutes_with_variations (c);
+      c->apply = false; // set variations only once
+    }
+  }
+
   bool subset (hb_subset_layout_context_t *c, const void *base) const
   {
     TRACE_SUBSET (this);
     auto *out = c->subset_context->serializer->embed (this);
     if (unlikely (!out)) return_trace (false);
 
-    out->conditions.serialize_subset (c->subset_context, conditions, base);
+    out->conditions.serialize_subset (c->subset_context, conditions, base, c);
     out->substitutions.serialize_subset (c->subset_context, substitutions, base, c);
 
     return_trace (true);
@@ -3274,6 +3308,16 @@ struct FeatureVariations
     return (this+record.substitutions).find_substitute (feature_index);
   }
 
+  void collect_feature_substitutes_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
+  {
+    unsigned int count = varRecords.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      c->cur_record_idx = i;
+      varRecords[i].collect_feature_substitutes_with_variations (c, this);
+    }
+  }
+
   FeatureVariations* copy (hb_serialize_context_t *c) const
   {
     TRACE_SERIALIZE (this);
@@ -3281,17 +3325,25 @@ struct FeatureVariations
   }
 
   void collect_lookups (const hb_set_t *feature_indexes,
+			const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map,
 			hb_set_t       *lookup_indexes /* OUT */) const
   {
     for (const FeatureVariationRecord& r : varRecords)
-      r.collect_lookups (this, feature_indexes, lookup_indexes);
+      r.collect_lookups (this, feature_indexes, feature_substitutes_map, lookup_indexes);
   }
 
   void closure_features (const hb_map_t *lookup_indexes,
+			 const hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map,
 			 hb_set_t       *feature_indexes /* OUT */) const
   {
-    for (const FeatureVariationRecord& record : varRecords)
-      record.closure_features (this, lookup_indexes, feature_indexes);
+    unsigned int count = varRecords.len;
+    for (unsigned int i = 0; i < count; i++)
+    {
+      if (feature_record_cond_idx_map != nullptr &&
+          !feature_record_cond_idx_map->has (i))
+        continue;
+      varRecords[i].closure_features (this, lookup_indexes, feature_indexes);
+    }
   }
 
   bool subset (hb_subset_context_t *c,
@@ -3313,7 +3365,13 @@ struct FeatureVariations
     }
 
     unsigned count = (unsigned) (keep_up_to + 1);
-    for (unsigned i = 0; i < count; i++) {
+    for (unsigned i = 0; i < count; i++)
+    {
+      if (l->feature_record_cond_idx_map != nullptr &&
+          !l->feature_record_cond_idx_map->has (i))
+        continue;
+
+      l->cur_feature_var_record_idx = i;
       subset_record_array (l, &(out->varRecords), this) (varRecords[i]);
     }
     return_trace (bool (out->varRecords));
@@ -3428,34 +3486,45 @@ struct VariationDevice
 
   private:
 
-  hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
-  { return font->em_scalef_x (get_delta (font, store)); }
+  hb_position_t get_x_delta (hb_font_t *font,
+			     const VariationStore &store,
+			     VariationStore::cache_t *store_cache = nullptr) const
+  { return font->em_scalef_x (get_delta (font, store, store_cache)); }
 
-  hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
-  { return font->em_scalef_y (get_delta (font, store)); }
+  hb_position_t get_y_delta (hb_font_t *font,
+			     const VariationStore &store,
+			     VariationStore::cache_t *store_cache = nullptr) const
+  { return font->em_scalef_y (get_delta (font, store, store_cache)); }
 
-  VariationDevice* copy (hb_serialize_context_t *c, const hb_map_t *layout_variation_idx_map) const
+  VariationDevice* copy (hb_serialize_context_t *c,
+                         const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map) const
   {
     TRACE_SERIALIZE (this);
-    auto snap = c->snapshot ();
+    if (!layout_variation_idx_delta_map) return_trace (nullptr);
+
+    hb_pair_t<unsigned, int> *v;
+    if (!layout_variation_idx_delta_map->has (varIdx, &v))
+      return_trace (nullptr);
+
+    c->start_zerocopy (this->static_size);
     auto *out = c->embed (this);
     if (unlikely (!out)) return_trace (nullptr);
-    if (!layout_variation_idx_map || layout_variation_idx_map->is_empty ()) return_trace (out);
 
-    /* TODO Just get() and bail if NO_VARIATION. Needs to setup the map to return that. */
-    if (!layout_variation_idx_map->has (varIdx))
-    {
-      c->revert (snap);
-      return_trace (nullptr);
-    }
-    unsigned new_idx = layout_variation_idx_map->get (varIdx);
+    unsigned new_idx = hb_first (*v);
     out->varIdx = new_idx;
     return_trace (out);
   }
 
-  void record_variation_index (hb_set_t *layout_variation_indices) const
+  void collect_variation_index (hb_collect_variation_indices_context_t *c) const
   {
-    layout_variation_indices->add (varIdx);
+    c->layout_variation_indices->add (varIdx);
+    int delta = 0;
+    if (c->font && c->var_store)
+      delta = roundf (get_delta (c->font, *c->var_store, c->store_cache));
+
+    /* set new varidx to HB_OT_LAYOUT_NO_VARIATIONS_INDEX here, will remap
+     * varidx later*/
+    c->varidx_delta_map->set (varIdx, hb_pair_t<unsigned, int> (HB_OT_LAYOUT_NO_VARIATIONS_INDEX, delta));
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
@@ -3466,9 +3535,11 @@ struct VariationDevice
 
   private:
 
-  float get_delta (hb_font_t *font, const VariationStore &store) const
+  float get_delta (hb_font_t *font,
+		   const VariationStore &store,
+		   VariationStore::cache_t *store_cache = nullptr) const
   {
-    return store.get_delta (varIdx, font->coords, font->num_coords);
+    return store.get_delta (varIdx, font->coords, font->num_coords, (VariationStore::cache_t *) store_cache);
   }
 
   protected:
@@ -3491,7 +3562,9 @@ struct DeviceHeader
 
 struct Device
 {
-  hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store=Null (VariationStore)) const
+  hb_position_t get_x_delta (hb_font_t *font,
+			     const VariationStore &store=Null (VariationStore),
+			     VariationStore::cache_t *store_cache = nullptr) const
   {
     switch (u.b.format)
     {
@@ -3501,13 +3574,15 @@ struct Device
 #endif
 #ifndef HB_NO_VAR
     case 0x8000:
-      return u.variation.get_x_delta (font, store);
+      return u.variation.get_x_delta (font, store, store_cache);
 #endif
     default:
       return 0;
     }
   }
-  hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store=Null (VariationStore)) const
+  hb_position_t get_y_delta (hb_font_t *font,
+			     const VariationStore &store=Null (VariationStore),
+			     VariationStore::cache_t *store_cache = nullptr) const
   {
     switch (u.b.format)
     {
@@ -3517,7 +3592,7 @@ struct Device
 #endif
 #ifndef HB_NO_VAR
     case 0x8000:
-      return u.variation.get_y_delta (font, store);
+      return u.variation.get_y_delta (font, store, store_cache);
 #endif
     default:
       return 0;
@@ -3542,7 +3617,8 @@ struct Device
     }
   }
 
-  Device* copy (hb_serialize_context_t *c, const hb_map_t *layout_variation_idx_map=nullptr) const
+  Device* copy (hb_serialize_context_t *c,
+                const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map=nullptr) const
   {
     TRACE_SERIALIZE (this);
     switch (u.b.format) {
@@ -3554,14 +3630,14 @@ struct Device
 #endif
 #ifndef HB_NO_VAR
     case 0x8000:
-      return_trace (reinterpret_cast<Device *> (u.variation.copy (c, layout_variation_idx_map)));
+      return_trace (reinterpret_cast<Device *> (u.variation.copy (c, layout_variation_idx_delta_map)));
 #endif
     default:
       return_trace (nullptr);
     }
   }
 
-  void collect_variation_indices (hb_set_t *layout_variation_indices) const
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
   {
     switch (u.b.format) {
 #ifndef HB_NO_HINTING
@@ -3572,7 +3648,7 @@ struct Device
 #endif
 #ifndef HB_NO_VAR
     case 0x8000:
-      u.variation.record_variation_index (layout_variation_indices);
+      u.variation.collect_variation_index (c);
       return;
 #endif
     default:
@@ -3580,6 +3656,18 @@ struct Device
     }
   }
 
+  unsigned get_variation_index () const
+  {
+    switch (u.b.format) {
+#ifndef HB_NO_VAR
+    case 0x8000:
+      return u.variation.varIdx;
+#endif
+    default:
+      return HB_OT_LAYOUT_NO_VARIATIONS_INDEX;
+    }
+  }
+
   protected:
   union {
   DeviceHeader		b;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gdef-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gdef-table.hh
index a76d644c4b..a84edef162 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gdef-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gdef-table.hh
@@ -73,7 +73,7 @@ struct AttachList
 
     if (point_count)
     {
-      + points.sub_array (start_offset, point_count)
+      + points.as_array ().sub_array (start_offset, point_count)
       | hb_sink (hb_array (point_array, *point_count))
       ;
     }
@@ -200,15 +200,34 @@ struct CaretValueFormat3
   bool subset (hb_subset_context_t *c) const
   {
     TRACE_SUBSET (this);
-    auto *out = c->serializer->embed (this);
+    auto *out = c->serializer->start_embed (*this);
     if (unlikely (!out)) return_trace (false);
+    if (!c->serializer->embed (caretValueFormat)) return_trace (false);
+    if (!c->serializer->embed (coordinate)) return_trace (false);
+
+    unsigned varidx = (this+deviceTable).get_variation_index ();
+    if (c->plan->layout_variation_idx_delta_map->has (varidx))
+    {
+      int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (varidx));
+      if (delta != 0)
+      {
+        if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW))
+          return_trace (false);
+      }
+    }
+
+    if (c->plan->all_axes_pinned)
+      return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
+
+    if (!c->serializer->embed (deviceTable))
+      return_trace (false);
 
     return_trace (out->deviceTable.serialize_copy (c->serializer, deviceTable, this, c->serializer->to_bias (out),
-						   hb_serialize_context_t::Head, c->plan->layout_variation_idx_map));
+						   hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map));
   }
 
-  void collect_variation_indices (hb_set_t *layout_variation_indices) const
-  { (this+deviceTable).collect_variation_indices (layout_variation_indices); }
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+  { (this+deviceTable).collect_variation_indices (c); }
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
@@ -255,14 +274,14 @@ struct CaretValue
     }
   }
 
-  void collect_variation_indices (hb_set_t *layout_variation_indices) const
+  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
   {
     switch (u.format) {
     case 1:
     case 2:
       return;
     case 3:
-      u.format3.collect_variation_indices (layout_variation_indices);
+      u.format3.collect_variation_indices (c);
       return;
     default: return;
     }
@@ -303,7 +322,7 @@ struct LigGlyph
   {
     if (caret_count)
     {
-      + carets.sub_array (start_offset, caret_count)
+      + carets.as_array ().sub_array (start_offset, caret_count)
       | hb_map (hb_add (this))
       | hb_map ([&] (const CaretValue &value) { return value.get_caret_value (font, direction, glyph_id, var_store); })
       | hb_sink (hb_array (caret_array, *caret_count))
@@ -329,7 +348,7 @@ struct LigGlyph
   void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
   {
     for (const Offset16To<CaretValue>& offset : carets.iter ())
-      (this+offset).collect_variation_indices (c->layout_variation_indices);
+      (this+offset).collect_variation_indices (c);
   }
 
   bool sanitize (hb_sanitize_context_t *c) const
@@ -510,6 +529,104 @@ struct MarkGlyphSets
  */
 
 
+template <typename Types>
+struct GDEFVersion1_2
+{
+  friend struct GDEF;
+
+  protected:
+  FixedVersion<>version;		/* Version of the GDEF table--currently
+					 * 0x00010003u */
+  typename Types::template OffsetTo<ClassDef>
+		glyphClassDef;		/* Offset to class definition table
+					 * for glyph type--from beginning of
+					 * GDEF header (may be Null) */
+  typename Types::template OffsetTo<AttachList>
+		attachList;		/* Offset to list of glyphs with
+					 * attachment points--from beginning
+					 * of GDEF header (may be Null) */
+  typename Types::template OffsetTo<LigCaretList>
+		ligCaretList;		/* Offset to list of positioning points
+					 * for ligature carets--from beginning
+					 * of GDEF header (may be Null) */
+  typename Types::template OffsetTo<ClassDef>
+		markAttachClassDef;	/* Offset to class definition table for
+					 * mark attachment type--from beginning
+					 * of GDEF header (may be Null) */
+  typename Types::template OffsetTo<MarkGlyphSets>
+		markGlyphSetsDef;	/* Offset to the table of mark set
+					 * definitions--from beginning of GDEF
+					 * header (may be NULL).  Introduced
+					 * in version 0x00010002. */
+  Offset32To<VariationStore>
+		varStore;		/* Offset to the table of Item Variation
+					 * Store--from beginning of GDEF
+					 * header (may be NULL).  Introduced
+					 * in version 0x00010003. */
+  public:
+  DEFINE_SIZE_MIN (4 + 4 * Types::size);
+
+  unsigned int get_size () const
+  {
+    return min_size +
+	   (version.to_int () >= 0x00010002u ? markGlyphSetsDef.static_size : 0) +
+	   (version.to_int () >= 0x00010003u ? varStore.static_size : 0);
+  }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+		  glyphClassDef.sanitize (c, this) &&
+		  attachList.sanitize (c, this) &&
+		  ligCaretList.sanitize (c, this) &&
+		  markAttachClassDef.sanitize (c, this) &&
+		  (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)) &&
+		  (version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->embed (*this);
+    if (unlikely (!out)) return_trace (false);
+
+    bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this, nullptr, false, true);
+    bool subset_attachlist = out->attachList.serialize_subset (c, attachList, this);
+    bool subset_ligcaretlist = out->ligCaretList.serialize_subset (c, ligCaretList, this);
+    bool subset_markattachclassdef = out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, nullptr, false, true);
+
+    bool subset_markglyphsetsdef = false;
+    if (version.to_int () >= 0x00010002u)
+    {
+      subset_markglyphsetsdef = out->markGlyphSetsDef.serialize_subset (c, markGlyphSetsDef, this);
+    }
+
+    bool subset_varstore = false;
+    if (version.to_int () >= 0x00010003u)
+    {
+      if (c->plan->all_axes_pinned)
+        out->varStore = 0;
+      else
+        subset_varstore = out->varStore.serialize_subset (c, varStore, this, c->plan->gdef_varstore_inner_maps.as_array ());
+    }
+
+    if (subset_varstore)
+    {
+      out->version.minor = 3;
+    } else if (subset_markglyphsetsdef) {
+      out->version.minor = 2;
+    } else  {
+      out->version.minor = 0;
+    }
+
+    return_trace (subset_glyphclassdef || subset_attachlist ||
+		  subset_ligcaretlist || subset_markattachclassdef ||
+		  (out->version.to_int () >= 0x00010002u && subset_markglyphsetsdef) ||
+		  (out->version.to_int () >= 0x00010003u && subset_varstore));
+  }
+};
+
 struct GDEF
 {
   static constexpr hb_tag_t tableTag = HB_OT_TAG_GDEF;
@@ -522,42 +639,190 @@ struct GDEF
     ComponentGlyph	= 4
   };
 
-  bool has_data () const { return version.to_int (); }
-  bool has_glyph_classes () const { return glyphClassDef != 0; }
+  unsigned int get_size () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.get_size ();
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.get_size ();
+#endif
+    default: return u.version.static_size;
+    }
+  }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!u.version.sanitize (c))) return_trace (false);
+    switch (u.version.major) {
+    case 1: return_trace (u.version1.sanitize (c));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (u.version2.sanitize (c));
+#endif
+    default: return_trace (true);
+    }
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.subset (c);
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.subset (c);
+#endif
+    default: return false;
+    }
+  }
+
+  bool has_glyph_classes () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.glyphClassDef != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.glyphClassDef != 0;
+#endif
+    default: return false;
+    }
+  }
+  const ClassDef &get_glyph_class_def () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.glyphClassDef;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.glyphClassDef;
+#endif
+    default: return Null(ClassDef);
+    }
+  }
+  bool has_attach_list () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.attachList != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.attachList != 0;
+#endif
+    default: return false;
+    }
+  }
+  const AttachList &get_attach_list () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.attachList;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.attachList;
+#endif
+    default: return Null(AttachList);
+    }
+  }
+  bool has_lig_carets () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.ligCaretList != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.ligCaretList != 0;
+#endif
+    default: return false;
+    }
+  }
+  const LigCaretList &get_lig_caret_list () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.ligCaretList;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.ligCaretList;
+#endif
+    default: return Null(LigCaretList);
+    }
+  }
+  bool has_mark_attachment_types () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.markAttachClassDef != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.markAttachClassDef != 0;
+#endif
+    default: return false;
+    }
+  }
+  const ClassDef &get_mark_attach_class_def () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.markAttachClassDef;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.markAttachClassDef;
+#endif
+    default: return Null(ClassDef);
+    }
+  }
+  bool has_mark_glyph_sets () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version.to_int () >= 0x00010002u && u.version1.markGlyphSetsDef != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.markGlyphSetsDef != 0;
+#endif
+    default: return false;
+    }
+  }
+  const MarkGlyphSets &get_mark_glyph_sets () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version.to_int () >= 0x00010002u ? this+u.version1.markGlyphSetsDef : Null(MarkGlyphSets);
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.markGlyphSetsDef;
+#endif
+    default: return Null(MarkGlyphSets);
+    }
+  }
+  bool has_var_store () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version.to_int () >= 0x00010003u && u.version1.varStore != 0;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.varStore != 0;
+#endif
+    default: return false;
+    }
+  }
+  const VariationStore &get_var_store () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version.to_int () >= 0x00010003u ? this+u.version1.varStore : Null(VariationStore);
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.varStore;
+#endif
+    default: return Null(VariationStore);
+    }
+  }
+
+
+  bool has_data () const { return u.version.to_int (); }
   unsigned int get_glyph_class (hb_codepoint_t glyph) const
-  { return (this+glyphClassDef).get_class (glyph); }
+  { return get_glyph_class_def ().get_class (glyph); }
   void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const
-  { (this+glyphClassDef).collect_class (glyphs, klass); }
+  { get_glyph_class_def ().collect_class (glyphs, klass); }
 
-  bool has_mark_attachment_types () const { return markAttachClassDef != 0; }
   unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
-  { return (this+markAttachClassDef).get_class (glyph); }
+  { return get_mark_attach_class_def ().get_class (glyph); }
 
-  bool has_attach_points () const { return attachList != 0; }
   unsigned int get_attach_points (hb_codepoint_t glyph_id,
 				  unsigned int start_offset,
 				  unsigned int *point_count /* IN/OUT */,
 				  unsigned int *point_array /* OUT */) const
-  { return (this+attachList).get_attach_points (glyph_id, start_offset, point_count, point_array); }
+  { return get_attach_list ().get_attach_points (glyph_id, start_offset, point_count, point_array); }
 
-  bool has_lig_carets () const { return ligCaretList != 0; }
   unsigned int get_lig_carets (hb_font_t *font,
 			       hb_direction_t direction,
 			       hb_codepoint_t glyph_id,
 			       unsigned int start_offset,
 			       unsigned int *caret_count /* IN/OUT */,
 			       hb_position_t *caret_array /* OUT */) const
-  { return (this+ligCaretList).get_lig_carets (font,
-					       direction, glyph_id, get_var_store(),
-					       start_offset, caret_count, caret_array); }
+  { return get_lig_caret_list ().get_lig_carets (font,
+						 direction, glyph_id, get_var_store(),
+						 start_offset, caret_count, caret_array); }
 
-  bool has_mark_sets () const { return version.to_int () >= 0x00010002u && markGlyphSetsDef != 0; }
   bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
-  { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
-
-  bool has_var_store () const { return version.to_int () >= 0x00010003u && varStore != 0; }
-  const VariationStore &get_var_store () const
-  { return version.to_int () >= 0x00010003u ? this+varStore : Null (VariationStore); }
+  { return get_mark_glyph_sets ().covers (set_index, glyph_id); }
 
   /* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
    * glyph class and other bits, and high 8-bit the mark attachment type (if any).
@@ -571,7 +836,7 @@ struct GDEF
     static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_MARK == (unsigned int) LookupFlag::IgnoreMarks), "");
 
     switch (klass) {
-    default:			return 0;
+    default:			return HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED;
     case BaseGlyph:		return HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH;
     case LigatureGlyph:		return HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE;
     case MarkGlyph:
@@ -599,20 +864,13 @@ struct GDEF
     hb_blob_ptr_t<GDEF> table;
   };
 
-  unsigned int get_size () const
-  {
-    return min_size +
-	   (version.to_int () >= 0x00010002u ? markGlyphSetsDef.static_size : 0) +
-	   (version.to_int () >= 0x00010003u ? varStore.static_size : 0);
-  }
-
   void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  { (this+ligCaretList).collect_variation_indices (c); }
+  { get_lig_caret_list ().collect_variation_indices (c); }
 
   void remap_layout_variation_indices (const hb_set_t *layout_variation_indices,
-				       hb_map_t *layout_variation_idx_map /* OUT */) const
+				       hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map /* OUT */) const
   {
-    if (version.to_int () < 0x00010003u || !varStore) return;
+    if (!has_var_store ()) return;
     if (layout_variation_indices->is_empty ()) return;
 
     unsigned new_major = 0, new_minor = 0;
@@ -620,7 +878,7 @@ struct GDEF
     for (unsigned idx : layout_variation_indices->iter ())
     {
       uint16_t major = idx >> 16;
-      if (major >= (this+varStore).get_sub_table_count ()) break;
+      if (major >= get_var_store ().get_sub_table_count ()) break;
       if (major != last_major)
       {
 	new_minor = 0;
@@ -628,90 +886,26 @@ struct GDEF
       }
 
       unsigned new_idx = (new_major << 16) + new_minor;
-      layout_variation_idx_map->set (idx, new_idx);
+      if (!layout_variation_idx_delta_map->has (idx))
+        continue;
+      int delta = hb_second (layout_variation_idx_delta_map->get (idx));
+
+      layout_variation_idx_delta_map->set (idx, hb_pair_t<unsigned, int> (new_idx, delta));
       ++new_minor;
       last_major = major;
     }
   }
 
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->embed (*this);
-    if (unlikely (!out)) return_trace (false);
-
-    bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this, nullptr, false, true);
-    bool subset_attachlist = out->attachList.serialize_subset (c, attachList, this);
-    bool subset_ligcaretlist = out->ligCaretList.serialize_subset (c, ligCaretList, this);
-    bool subset_markattachclassdef = out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, nullptr, false, true);
-
-    bool subset_markglyphsetsdef = true;
-    if (version.to_int () >= 0x00010002u)
-    {
-      subset_markglyphsetsdef = out->markGlyphSetsDef.serialize_subset (c, markGlyphSetsDef, this);
-      if (!subset_markglyphsetsdef &&
-	  version.to_int () == 0x00010002u)
-	out->version.minor = 0;
-    }
-
-    bool subset_varstore = true;
-    if (version.to_int () >= 0x00010003u)
-    {
-      subset_varstore = out->varStore.serialize_subset (c, varStore, this);
-      if (!subset_varstore && version.to_int () == 0x00010003u)
-	out->version.minor = 2;
-    }
-
-    return_trace (subset_glyphclassdef || subset_attachlist ||
-		  subset_ligcaretlist || subset_markattachclassdef ||
-		  (out->version.to_int () >= 0x00010002u && subset_markglyphsetsdef) ||
-		  (out->version.to_int () >= 0x00010003u && subset_varstore));
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (version.sanitize (c) &&
-		  likely (version.major == 1) &&
-		  glyphClassDef.sanitize (c, this) &&
-		  attachList.sanitize (c, this) &&
-		  ligCaretList.sanitize (c, this) &&
-		  markAttachClassDef.sanitize (c, this) &&
-		  (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)) &&
-		  (version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
-  }
-
   protected:
-  FixedVersion<>version;		/* Version of the GDEF table--currently
-					 * 0x00010003u */
-  Offset16To<ClassDef>
-		glyphClassDef;		/* Offset to class definition table
-					 * for glyph type--from beginning of
-					 * GDEF header (may be Null) */
-  Offset16To<AttachList>
-		attachList;		/* Offset to list of glyphs with
-					 * attachment points--from beginning
-					 * of GDEF header (may be Null) */
-  Offset16To<LigCaretList>
-		ligCaretList;		/* Offset to list of positioning points
-					 * for ligature carets--from beginning
-					 * of GDEF header (may be Null) */
-  Offset16To<ClassDef>
-		markAttachClassDef;	/* Offset to class definition table for
-					 * mark attachment type--from beginning
-					 * of GDEF header (may be Null) */
-  Offset16To<MarkGlyphSets>
-		markGlyphSetsDef;	/* Offset to the table of mark set
-					 * definitions--from beginning of GDEF
-					 * header (may be NULL).  Introduced
-					 * in version 0x00010002. */
-  Offset32To<VariationStore>
-		varStore;		/* Offset to the table of Item Variation
-					 * Store--from beginning of GDEF
-					 * header (may be NULL).  Introduced
-					 * in version 0x00010003. */
+  union {
+  FixedVersion<>		version;	/* Version identifier */
+  GDEFVersion1_2<SmallTypes>	version1;
+#ifndef HB_NO_BEYOND_64K
+  GDEFVersion1_2<MediumTypes>	version2;
+#endif
+  } u;
   public:
-  DEFINE_SIZE_MIN (12);
+  DEFINE_SIZE_MIN (4);
 };
 
 struct GDEF_accelerator_t : GDEF::accelerator_t {
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gpos-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gpos-table.hh
index 2f9186a2a7..8fe987fc50 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gpos-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gpos-table.hh
@@ -29,3090 +29,14 @@
 #ifndef HB_OT_LAYOUT_GPOS_TABLE_HH
 #define HB_OT_LAYOUT_GPOS_TABLE_HH
 
-#include "hb-ot-layout-gsubgpos.hh"
-
+#include "OT/Layout/GPOS/GPOS.hh"
 
 namespace OT {
+namespace Layout {
+namespace GPOS_impl {
 
-struct MarkArray;
-static void Markclass_closure_and_remap_indexes (const Coverage  &mark_coverage,
-						 const MarkArray &mark_array,
-						 const hb_set_t  &glyphset,
-						 hb_map_t*        klass_mapping /* INOUT */);
-
-/* buffer **position** var allocations */
-#define attach_chain() var.i16[0] /* glyph to which this attaches to, relative to current glyphs; negative for going back, positive for forward. */
-#define attach_type() var.u8[2] /* attachment type */
-/* Note! if attach_chain() is zero, the value of attach_type() is irrelevant. */
-
-enum attach_type_t {
-  ATTACH_TYPE_NONE	= 0X00,
-
-  /* Each attachment should be either a mark or a cursive; can't be both. */
-  ATTACH_TYPE_MARK	= 0X01,
-  ATTACH_TYPE_CURSIVE	= 0X02,
-};
-
-
-/* Shared Tables: ValueRecord, Anchor Table, and MarkArray */
-
-typedef HBUINT16 Value;
-
-typedef UnsizedArrayOf<Value> ValueRecord;
-
-struct ValueFormat : HBUINT16
-{
-  enum Flags {
-    xPlacement	= 0x0001u,	/* Includes horizontal adjustment for placement */
-    yPlacement	= 0x0002u,	/* Includes vertical adjustment for placement */
-    xAdvance	= 0x0004u,	/* Includes horizontal adjustment for advance */
-    yAdvance	= 0x0008u,	/* Includes vertical adjustment for advance */
-    xPlaDevice	= 0x0010u,	/* Includes horizontal Device table for placement */
-    yPlaDevice	= 0x0020u,	/* Includes vertical Device table for placement */
-    xAdvDevice	= 0x0040u,	/* Includes horizontal Device table for advance */
-    yAdvDevice	= 0x0080u,	/* Includes vertical Device table for advance */
-    ignored	= 0x0F00u,	/* Was used in TrueType Open for MM fonts */
-    reserved	= 0xF000u,	/* For future use */
-
-    devices	= 0x00F0u	/* Mask for having any Device table */
-  };
-
-/* All fields are options.  Only those available advance the value pointer. */
-#if 0
-  HBINT16		xPlacement;	/* Horizontal adjustment for
-					 * placement--in design units */
-  HBINT16		yPlacement;	/* Vertical adjustment for
-					 * placement--in design units */
-  HBINT16		xAdvance;	/* Horizontal adjustment for
-					 * advance--in design units (only used
-					 * for horizontal writing) */
-  HBINT16		yAdvance;	/* Vertical adjustment for advance--in
-					 * design units (only used for vertical
-					 * writing) */
-  Offset16To<Device>	xPlaDevice;	/* Offset to Device table for
-					 * horizontal placement--measured from
-					 * beginning of PosTable (may be NULL) */
-  Offset16To<Device>	yPlaDevice;	/* Offset to Device table for vertical
-					 * placement--measured from beginning
-					 * of PosTable (may be NULL) */
-  Offset16To<Device>	xAdvDevice;	/* Offset to Device table for
-					 * horizontal advance--measured from
-					 * beginning of PosTable (may be NULL) */
-  Offset16To<Device>	yAdvDevice;	/* Offset to Device table for vertical
-					 * advance--measured from beginning of
-					 * PosTable (may be NULL) */
-#endif
-
-  IntType& operator = (uint16_t i) { v = i; return *this; }
-
-  unsigned int get_len () const  { return hb_popcount ((unsigned int) *this); }
-  unsigned int get_size () const { return get_len () * Value::static_size; }
-
-  bool apply_value (hb_ot_apply_context_t *c,
-		    const void            *base,
-		    const Value           *values,
-		    hb_glyph_position_t   &glyph_pos) const
-  {
-    bool ret = false;
-    unsigned int format = *this;
-    if (!format) return ret;
-
-    hb_font_t *font = c->font;
-    bool horizontal =
-#ifndef HB_NO_VERTICAL
-      HB_DIRECTION_IS_HORIZONTAL (c->direction)
-#else
-      true
-#endif
-      ;
-
-    if (format & xPlacement) glyph_pos.x_offset  += font->em_scale_x (get_short (values++, &ret));
-    if (format & yPlacement) glyph_pos.y_offset  += font->em_scale_y (get_short (values++, &ret));
-    if (format & xAdvance) {
-      if (likely (horizontal)) glyph_pos.x_advance += font->em_scale_x (get_short (values, &ret));
-      values++;
-    }
-    /* y_advance values grow downward but font-space grows upward, hence negation */
-    if (format & yAdvance) {
-      if (unlikely (!horizontal)) glyph_pos.y_advance -= font->em_scale_y (get_short (values, &ret));
-      values++;
-    }
-
-    if (!has_device ()) return ret;
-
-    bool use_x_device = font->x_ppem || font->num_coords;
-    bool use_y_device = font->y_ppem || font->num_coords;
-
-    if (!use_x_device && !use_y_device) return ret;
-
-    const VariationStore &store = c->var_store;
-
-    /* pixel -> fractional pixel */
-    if (format & xPlaDevice) {
-      if (use_x_device) glyph_pos.x_offset  += (base + get_device (values, &ret)).get_x_delta (font, store);
-      values++;
-    }
-    if (format & yPlaDevice) {
-      if (use_y_device) glyph_pos.y_offset  += (base + get_device (values, &ret)).get_y_delta (font, store);
-      values++;
-    }
-    if (format & xAdvDevice) {
-      if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values, &ret)).get_x_delta (font, store);
-      values++;
-    }
-    if (format & yAdvDevice) {
-      /* y_advance values grow downward but font-space grows upward, hence negation */
-      if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values, &ret)).get_y_delta (font, store);
-      values++;
-    }
-    return ret;
-  }
-
-  unsigned int get_effective_format (const Value *values) const
-  {
-    unsigned int format = *this;
-    for (unsigned flag = xPlacement; flag <= yAdvDevice; flag = flag << 1) {
-      if (format & flag) should_drop (*values++, (Flags) flag, &format);
-    }
-
-    return format;
-  }
-
-  template<typename Iterator,
-      hb_requires (hb_is_iterator (Iterator))>
-  unsigned int get_effective_format (Iterator it) const {
-    unsigned int new_format = 0;
-
-    for (const hb_array_t<const Value>& values : it)
-      new_format = new_format | get_effective_format (&values);
-
-    return new_format;
-  }
-
-  void copy_values (hb_serialize_context_t *c,
-                    unsigned int new_format,
-                    const void *base,
-                    const Value *values,
-                    const hb_map_t *layout_variation_idx_map) const
-  {
-    unsigned int format = *this;
-    if (!format) return;
-
-    if (format & xPlacement) copy_value (c, new_format, xPlacement, *values++);
-    if (format & yPlacement) copy_value (c, new_format, yPlacement, *values++);
-    if (format & xAdvance)   copy_value (c, new_format, xAdvance, *values++);
-    if (format & yAdvance)   copy_value (c, new_format, yAdvance, *values++);
-
-    if (format & xPlaDevice) copy_device (c, base, values++, layout_variation_idx_map);
-    if (format & yPlaDevice) copy_device (c, base, values++, layout_variation_idx_map);
-    if (format & xAdvDevice) copy_device (c, base, values++, layout_variation_idx_map);
-    if (format & yAdvDevice) copy_device (c, base, values++, layout_variation_idx_map);
-  }
-
-  void copy_value (hb_serialize_context_t *c,
-                   unsigned int new_format,
-                   Flags flag,
-                   Value value) const
-  {
-    // Filter by new format.
-    if (!(new_format & flag)) return;
-    c->copy (value);
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  const void *base,
-				  const hb_array_t<const Value>& values) const
-  {
-    unsigned format = *this;
-    unsigned i = 0;
-    if (format & xPlacement) i++;
-    if (format & yPlacement) i++;
-    if (format & xAdvance) i++;
-    if (format & yAdvance) i++;
-    if (format & xPlaDevice)
-    {
-      (base + get_device (&(values[i]))).collect_variation_indices (c->layout_variation_indices);
-      i++;
-    }
-
-    if (format & ValueFormat::yPlaDevice)
-    {
-      (base + get_device (&(values[i]))).collect_variation_indices (c->layout_variation_indices);
-      i++;
-    }
-
-    if (format & ValueFormat::xAdvDevice)
-    {
-
-      (base + get_device (&(values[i]))).collect_variation_indices (c->layout_variation_indices);
-      i++;
-    }
-
-    if (format & ValueFormat::yAdvDevice)
-    {
-
-      (base + get_device (&(values[i]))).collect_variation_indices (c->layout_variation_indices);
-      i++;
-    }
-  }
-
-  private:
-  bool sanitize_value_devices (hb_sanitize_context_t *c, const void *base, const Value *values) const
-  {
-    unsigned int format = *this;
-
-    if (format & xPlacement) values++;
-    if (format & yPlacement) values++;
-    if (format & xAdvance)   values++;
-    if (format & yAdvance)   values++;
-
-    if ((format & xPlaDevice) && !get_device (values++).sanitize (c, base)) return false;
-    if ((format & yPlaDevice) && !get_device (values++).sanitize (c, base)) return false;
-    if ((format & xAdvDevice) && !get_device (values++).sanitize (c, base)) return false;
-    if ((format & yAdvDevice) && !get_device (values++).sanitize (c, base)) return false;
-
-    return true;
-  }
-
-  static inline Offset16To<Device>& get_device (Value* value)
-  {
-    return *static_cast<Offset16To<Device> *> (value);
-  }
-  static inline const Offset16To<Device>& get_device (const Value* value, bool *worked=nullptr)
-  {
-    if (worked) *worked |= bool (*value);
-    return *static_cast<const Offset16To<Device> *> (value);
-  }
-
-  bool copy_device (hb_serialize_context_t *c, const void *base,
-		    const Value *src_value, const hb_map_t *layout_variation_idx_map) const
-  {
-    Value	*dst_value = c->copy (*src_value);
-
-    if (!dst_value) return false;
-    if (*dst_value == 0) return true;
-
-    *dst_value = 0;
-    c->push ();
-    if ((base + get_device (src_value)).copy (c, layout_variation_idx_map))
-    {
-      c->add_link (*dst_value, c->pop_pack ());
-      return true;
-    }
-    else
-    {
-      c->pop_discard ();
-      return false;
-    }
-  }
-
-  static inline const HBINT16& get_short (const Value* value, bool *worked=nullptr)
-  {
-    if (worked) *worked |= bool (*value);
-    return *reinterpret_cast<const HBINT16 *> (value);
-  }
-
-  public:
-
-  bool has_device () const
-  {
-    unsigned int format = *this;
-    return (format & devices) != 0;
-  }
-
-  bool sanitize_value (hb_sanitize_context_t *c, const void *base, const Value *values) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_range (values, get_size ()) && (!has_device () || sanitize_value_devices (c, base, values)));
-  }
-
-  bool sanitize_values (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count) const
-  {
-    TRACE_SANITIZE (this);
-    unsigned int len = get_len ();
-
-    if (!c->check_range (values, count, get_size ())) return_trace (false);
-
-    if (!has_device ()) return_trace (true);
-
-    for (unsigned int i = 0; i < count; i++) {
-      if (!sanitize_value_devices (c, base, values))
-	return_trace (false);
-      values += len;
-    }
-
-    return_trace (true);
-  }
-
-  /* Just sanitize referenced Device tables.  Doesn't check the values themselves. */
-  bool sanitize_values_stride_unsafe (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count, unsigned int stride) const
-  {
-    TRACE_SANITIZE (this);
-
-    if (!has_device ()) return_trace (true);
-
-    for (unsigned int i = 0; i < count; i++) {
-      if (!sanitize_value_devices (c, base, values))
-	return_trace (false);
-      values += stride;
-    }
-
-    return_trace (true);
-  }
-
- private:
-
-  void should_drop (Value value, Flags flag, unsigned int* format) const
-  {
-    if (value) return;
-    *format = *format & ~flag;
-  }
-
-};
-
-template<typename Iterator, typename SrcLookup>
-static void SinglePos_serialize (hb_serialize_context_t *c,
-				 const SrcLookup *src,
-				 Iterator it,
-				 const hb_map_t *layout_variation_idx_map);
-
-
-struct AnchorFormat1
-{
-  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
-		   float *x, float *y) const
-  {
-    hb_font_t *font = c->font;
-    *x = font->em_fscale_x (xCoordinate);
-    *y = font->em_fscale_y (yCoordinate);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this));
-  }
-
-  AnchorFormat1* copy (hb_serialize_context_t *c) const
-  {
-    TRACE_SERIALIZE (this);
-    AnchorFormat1* out = c->embed<AnchorFormat1> (this);
-    if (!out) return_trace (out);
-    out->format = 1;
-    return_trace (out);
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  FWORD		xCoordinate;		/* Horizontal value--in design units */
-  FWORD		yCoordinate;		/* Vertical value--in design units */
-  public:
-  DEFINE_SIZE_STATIC (6);
-};
-
-struct AnchorFormat2
-{
-  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
-		   float *x, float *y) const
-  {
-    hb_font_t *font = c->font;
-
-#ifdef HB_NO_HINTING
-    *x = font->em_fscale_x (xCoordinate);
-    *y = font->em_fscale_y (yCoordinate);
-    return;
-#endif
-
-    unsigned int x_ppem = font->x_ppem;
-    unsigned int y_ppem = font->y_ppem;
-    hb_position_t cx = 0, cy = 0;
-    bool ret;
-
-    ret = (x_ppem || y_ppem) &&
-	  font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
-    *x = ret && x_ppem ? cx : font->em_fscale_x (xCoordinate);
-    *y = ret && y_ppem ? cy : font->em_fscale_y (yCoordinate);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this));
-  }
-
-  AnchorFormat2* copy (hb_serialize_context_t *c) const
-  {
-    TRACE_SERIALIZE (this);
-    return_trace (c->embed<AnchorFormat2> (this));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 2 */
-  FWORD		xCoordinate;		/* Horizontal value--in design units */
-  FWORD		yCoordinate;		/* Vertical value--in design units */
-  HBUINT16	anchorPoint;		/* Index to glyph contour point */
-  public:
-  DEFINE_SIZE_STATIC (8);
-};
-
-struct AnchorFormat3
-{
-  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
-		   float *x, float *y) const
-  {
-    hb_font_t *font = c->font;
-    *x = font->em_fscale_x (xCoordinate);
-    *y = font->em_fscale_y (yCoordinate);
-
-    if (font->x_ppem || font->num_coords)
-      *x += (this+xDeviceTable).get_x_delta (font, c->var_store);
-    if (font->y_ppem || font->num_coords)
-      *y += (this+yDeviceTable).get_y_delta (font, c->var_store);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && xDeviceTable.sanitize (c, this) && yDeviceTable.sanitize (c, this));
-  }
-
-  AnchorFormat3* copy (hb_serialize_context_t *c,
-		       const hb_map_t *layout_variation_idx_map) const
-  {
-    TRACE_SERIALIZE (this);
-    if (!layout_variation_idx_map) return_trace (nullptr);
-
-    auto *out = c->embed<AnchorFormat3> (this);
-    if (unlikely (!out)) return_trace (nullptr);
-
-    out->xDeviceTable.serialize_copy (c, xDeviceTable, this, 0, hb_serialize_context_t::Head, layout_variation_idx_map);
-    out->yDeviceTable.serialize_copy (c, yDeviceTable, this, 0, hb_serialize_context_t::Head, layout_variation_idx_map);
-    return_trace (out);
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    (this+xDeviceTable).collect_variation_indices (c->layout_variation_indices);
-    (this+yDeviceTable).collect_variation_indices (c->layout_variation_indices);
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 3 */
-  FWORD		xCoordinate;		/* Horizontal value--in design units */
-  FWORD		yCoordinate;		/* Vertical value--in design units */
-  Offset16To<Device>
-		xDeviceTable;		/* Offset to Device table for X
-					 * coordinate-- from beginning of
-					 * Anchor table (may be NULL) */
-  Offset16To<Device>
-		yDeviceTable;		/* Offset to Device table for Y
-					 * coordinate-- from beginning of
-					 * Anchor table (may be NULL) */
-  public:
-  DEFINE_SIZE_STATIC (10);
-};
-
-struct Anchor
-{
-  void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
-		   float *x, float *y) const
-  {
-    *x = *y = 0;
-    switch (u.format) {
-    case 1: u.format1.get_anchor (c, glyph_id, x, y); return;
-    case 2: u.format2.get_anchor (c, glyph_id, x, y); return;
-    case 3: u.format3.get_anchor (c, glyph_id, x, y); return;
-    default:					      return;
-    }
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    if (!u.format.sanitize (c)) return_trace (false);
-    switch (u.format) {
-    case 1: return_trace (u.format1.sanitize (c));
-    case 2: return_trace (u.format2.sanitize (c));
-    case 3: return_trace (u.format3.sanitize (c));
-    default:return_trace (true);
-    }
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    switch (u.format) {
-    case 1: return_trace (bool (reinterpret_cast<Anchor *> (u.format1.copy (c->serializer))));
-    case 2:
-      if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
-      {
-        // AnchorFormat 2 just containins extra hinting information, so
-        // if hints are being dropped convert to format 1.
-        return_trace (bool (reinterpret_cast<Anchor *> (u.format1.copy (c->serializer))));
-      }
-      return_trace (bool (reinterpret_cast<Anchor *> (u.format2.copy (c->serializer))));
-    case 3: return_trace (bool (reinterpret_cast<Anchor *> (u.format3.copy (c->serializer,
-                                                                            c->plan->layout_variation_idx_map))));
-    default:return_trace (false);
-    }
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    switch (u.format) {
-    case 1: case 2:
-      return;
-    case 3:
-      u.format3.collect_variation_indices (c);
-      return;
-    default: return;
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  AnchorFormat1		format1;
-  AnchorFormat2		format2;
-  AnchorFormat3		format3;
-  } u;
-  public:
-  DEFINE_SIZE_UNION (2, format);
-};
-
-
-struct AnchorMatrix
-{
-  const Anchor& get_anchor (unsigned int row, unsigned int col,
-			    unsigned int cols, bool *found) const
-  {
-    *found = false;
-    if (unlikely (row >= rows || col >= cols)) return Null (Anchor);
-    *found = !matrixZ[row * cols + col].is_null ();
-    return this+matrixZ[row * cols + col];
-  }
-
-  template <typename Iterator,
-	    hb_requires (hb_is_iterator (Iterator))>
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  Iterator index_iter) const
-  {
-    for (unsigned i : index_iter)
-      (this+matrixZ[i]).collect_variation_indices (c);
-  }
-
-  template <typename Iterator,
-      hb_requires (hb_is_iterator (Iterator))>
-  bool subset (hb_subset_context_t *c,
-               unsigned             num_rows,
-               Iterator             index_iter) const
-  {
-    TRACE_SUBSET (this);
-
-    auto *out = c->serializer->start_embed (this);
-
-    if (!index_iter) return_trace (false);
-    if (unlikely (!c->serializer->extend_min (out)))  return_trace (false);
-
-    out->rows = num_rows;
-    for (const unsigned i : index_iter)
-    {
-      auto *offset = c->serializer->embed (matrixZ[i]);
-      if (!offset) return_trace (false);
-      offset->serialize_subset (c, matrixZ[i], this);
-    }
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c, unsigned int cols) const
-  {
-    TRACE_SANITIZE (this);
-    if (!c->check_struct (this)) return_trace (false);
-    if (unlikely (hb_unsigned_mul_overflows (rows, cols))) return_trace (false);
-    unsigned int count = rows * cols;
-    if (!c->check_array (matrixZ.arrayZ, count)) return_trace (false);
-    for (unsigned int i = 0; i < count; i++)
-      if (!matrixZ[i].sanitize (c, this)) return_trace (false);
-    return_trace (true);
-  }
-
-  HBUINT16	rows;			/* Number of rows */
-  UnsizedArrayOf<Offset16To<Anchor>>
-		matrixZ;		/* Matrix of offsets to Anchor tables--
-					 * from beginning of AnchorMatrix table */
-  public:
-  DEFINE_SIZE_ARRAY (2, matrixZ);
-};
-
-
-struct MarkRecord
-{
-  friend struct MarkArray;
-
-  unsigned get_class () const { return (unsigned) klass; }
-  bool sanitize (hb_sanitize_context_t *c, const void *base) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) && markAnchor.sanitize (c, base));
-  }
-
-  MarkRecord *subset (hb_subset_context_t    *c,
-                      const void             *src_base,
-                      const hb_map_t         *klass_mapping) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->embed (this);
-    if (unlikely (!out)) return_trace (nullptr);
-
-    out->klass = klass_mapping->get (klass);
-    out->markAnchor.serialize_subset (c, markAnchor, src_base);
-    return_trace (out);
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  const void *src_base) const
-  {
-    (src_base+markAnchor).collect_variation_indices (c);
-  }
-
-  protected:
-  HBUINT16	klass;			/* Class defined for this mark */
-  Offset16To<Anchor>
-		markAnchor;		/* Offset to Anchor table--from
-					 * beginning of MarkArray table */
-  public:
-  DEFINE_SIZE_STATIC (4);
-};
-
-struct MarkArray : Array16Of<MarkRecord>	/* Array of MarkRecords--in Coverage order */
-{
-  bool apply (hb_ot_apply_context_t *c,
-	      unsigned int mark_index, unsigned int glyph_index,
-	      const AnchorMatrix &anchors, unsigned int class_count,
-	      unsigned int glyph_pos) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    const MarkRecord &record = Array16Of<MarkRecord>::operator[](mark_index);
-    unsigned int mark_class = record.klass;
-
-    const Anchor& mark_anchor = this + record.markAnchor;
-    bool found;
-    const Anchor& glyph_anchor = anchors.get_anchor (glyph_index, mark_class, class_count, &found);
-    /* If this subtable doesn't have an anchor for this base and this class,
-     * return false such that the subsequent subtables have a chance at it. */
-    if (unlikely (!found)) return_trace (false);
-
-    float mark_x, mark_y, base_x, base_y;
-
-    buffer->unsafe_to_break (glyph_pos, buffer->idx + 1);
-    mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y);
-    glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y);
-
-    hb_glyph_position_t &o = buffer->cur_pos();
-    o.x_offset = roundf (base_x - mark_x);
-    o.y_offset = roundf (base_y - mark_y);
-    o.attach_type() = ATTACH_TYPE_MARK;
-    o.attach_chain() = (int) glyph_pos - (int) buffer->idx;
-    buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
-
-    buffer->idx++;
-    return_trace (true);
-  }
-
-  template <typename Iterator,
-      hb_requires (hb_is_iterator (Iterator))>
-  bool subset (hb_subset_context_t *c,
-               Iterator		    coverage,
-               const hb_map_t      *klass_mapping) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-
-    auto* out = c->serializer->start_embed (this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-
-    auto mark_iter =
-    + hb_zip (coverage, this->iter ())
-    | hb_filter (glyphset, hb_first)
-    | hb_map (hb_second)
-    ;
-
-    unsigned new_length = 0;
-    for (const auto& mark_record : mark_iter) {
-      if (unlikely (!mark_record.subset (c, this, klass_mapping)))
-        return_trace (false);
-      new_length++;
-    }
-
-    if (unlikely (!c->serializer->check_assign (out->len, new_length,
-                                                HB_SERIALIZE_ERROR_ARRAY_OVERFLOW)))
-      return_trace (false);
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (Array16Of<MarkRecord>::sanitize (c, this));
-  }
-};
-
-
-/* Lookups */
-
-struct SinglePosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  { return (this+coverage).intersects (glyphs); }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    if (!valueFormat.has_device ()) return;
-
-    auto it =
-    + hb_iter (this+coverage)
-    | hb_filter (c->glyph_set)
-    ;
-
-    if (!it) return;
-    valueFormat.collect_variation_indices (c, this, values.as_array (valueFormat.get_len ()));
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
-
-  const Coverage &get_coverage () const { return this+coverage; }
-
-  ValueFormat get_value_format () const { return valueFormat; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (index == NOT_COVERED)) return_trace (false);
-
-    valueFormat.apply_value (c, this, values, buffer->cur_pos());
-
-    buffer->idx++;
-    return_trace (true);
-  }
-
-  template<typename Iterator,
-      typename SrcLookup,
-      hb_requires (hb_is_iterator (Iterator))>
-  void serialize (hb_serialize_context_t *c,
-		  const SrcLookup *src,
-		  Iterator it,
-		  ValueFormat newFormat,
-		  const hb_map_t *layout_variation_idx_map)
-  {
-    if (unlikely (!c->extend_min (this))) return;
-    if (unlikely (!c->check_assign (valueFormat,
-                                    newFormat,
-                                    HB_SERIALIZE_ERROR_INT_OVERFLOW))) return;
-
-    for (const hb_array_t<const Value>& _ : + it | hb_map (hb_second))
-    {
-      src->get_value_format ().copy_values (c, newFormat, src,  &_, layout_variation_idx_map);
-      // Only serialize the first entry in the iterator, the rest are assumed to
-      // be the same.
-      break;
-    }
-
-    auto glyphs =
-    + it
-    | hb_map_retains_sorting (hb_first)
-    ;
-
-    coverage.serialize_serialize (c, glyphs);
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto it =
-    + hb_iter (this+coverage)
-    | hb_filter (glyphset)
-    | hb_map_retains_sorting (glyph_map)
-    | hb_zip (hb_repeat (values.as_array (valueFormat.get_len ())))
-    ;
-
-    bool ret = bool (it);
-    SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_map);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  coverage.sanitize (c, this) &&
-		  valueFormat.sanitize_value (c, this, values));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		coverage;		/* Offset to Coverage table--from
-					 * beginning of subtable */
-  ValueFormat	valueFormat;		/* Defines the types of data in the
-					 * ValueRecord */
-  ValueRecord	values;			/* Defines positioning
-					 * value(s)--applied to all glyphs in
-					 * the Coverage table */
-  public:
-  DEFINE_SIZE_ARRAY (6, values);
-};
-
-struct SinglePosFormat2
-{
-  bool intersects (const hb_set_t *glyphs) const
-  { return (this+coverage).intersects (glyphs); }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    if (!valueFormat.has_device ()) return;
-
-    auto it =
-    + hb_zip (this+coverage, hb_range ((unsigned) valueCount))
-    | hb_filter (c->glyph_set, hb_first)
-    ;
-
-    if (!it) return;
-
-    unsigned sub_length = valueFormat.get_len ();
-    const hb_array_t<const Value> values_array = values.as_array (valueCount * sub_length);
-
-    for (unsigned i : + it
-		      | hb_map (hb_second))
-      valueFormat.collect_variation_indices (c, this, values_array.sub_array (i * sub_length, sub_length));
-
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
-
-  const Coverage &get_coverage () const { return this+coverage; }
-
-  ValueFormat get_value_format () const { return valueFormat; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (index == NOT_COVERED)) return_trace (false);
-
-    if (likely (index >= valueCount)) return_trace (false);
-
-    valueFormat.apply_value (c, this,
-			     &values[index * valueFormat.get_len ()],
-			     buffer->cur_pos());
-
-    buffer->idx++;
-    return_trace (true);
-  }
-
-  template<typename Iterator,
-      typename SrcLookup,
-      hb_requires (hb_is_iterator (Iterator))>
-  void serialize (hb_serialize_context_t *c,
-		  const SrcLookup *src,
-		  Iterator it,
-		  ValueFormat newFormat,
-		  const hb_map_t *layout_variation_idx_map)
-  {
-    auto out = c->extend_min (this);
-    if (unlikely (!out)) return;
-    if (unlikely (!c->check_assign (valueFormat, newFormat, HB_SERIALIZE_ERROR_INT_OVERFLOW))) return;
-    if (unlikely (!c->check_assign (valueCount, it.len (), HB_SERIALIZE_ERROR_ARRAY_OVERFLOW))) return;
-
-    + it
-    | hb_map (hb_second)
-    | hb_apply ([&] (hb_array_t<const Value> _)
-    { src->get_value_format ().copy_values (c, newFormat, src, &_, layout_variation_idx_map); })
-    ;
-
-    auto glyphs =
-    + it
-    | hb_map_retains_sorting (hb_first)
-    ;
-
-    coverage.serialize_serialize (c, glyphs);
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    unsigned sub_length = valueFormat.get_len ();
-    auto values_array = values.as_array (valueCount * sub_length);
-
-    auto it =
-    + hb_zip (this+coverage, hb_range ((unsigned) valueCount))
-    | hb_filter (glyphset, hb_first)
-    | hb_map_retains_sorting ([&] (const hb_pair_t<hb_codepoint_t, unsigned>& _)
-			      {
-				return hb_pair (glyph_map[_.first],
-						values_array.sub_array (_.second * sub_length,
-									sub_length));
-			      })
-    ;
-
-    bool ret = bool (it);
-    SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_map);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  coverage.sanitize (c, this) &&
-		  valueFormat.sanitize_values (c, this, values, valueCount));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 2 */
-  Offset16To<Coverage>
-		coverage;		/* Offset to Coverage table--from
-					 * beginning of subtable */
-  ValueFormat	valueFormat;		/* Defines the types of data in the
-					 * ValueRecord */
-  HBUINT16	valueCount;		/* Number of ValueRecords */
-  ValueRecord	values;			/* Array of ValueRecords--positioning
-					 * values applied to glyphs */
-  public:
-  DEFINE_SIZE_ARRAY (8, values);
-};
-
-struct SinglePos
-{
-  template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
-  unsigned get_format (Iterator glyph_val_iter_pairs)
-  {
-    hb_array_t<const Value> first_val_iter = hb_second (*glyph_val_iter_pairs);
-
-    for (const auto iter : glyph_val_iter_pairs)
-      for (const auto _ : hb_zip (iter.second, first_val_iter))
-	if (_.first != _.second)
-	  return 2;
-
-    return 1;
-  }
-
-
-  template<typename Iterator,
-      typename SrcLookup,
-      hb_requires (hb_is_iterator (Iterator))>
-  void serialize (hb_serialize_context_t *c,
-		  const SrcLookup* src,
-		  Iterator glyph_val_iter_pairs,
-		  const hb_map_t *layout_variation_idx_map)
-  {
-    if (unlikely (!c->extend_min (u.format))) return;
-    unsigned format = 2;
-    ValueFormat new_format = src->get_value_format ();
-
-    if (glyph_val_iter_pairs)
-    {
-      format = get_format (glyph_val_iter_pairs);
-      new_format = src->get_value_format ().get_effective_format (+ glyph_val_iter_pairs | hb_map (hb_second));
-    }
-
-    u.format = format;
-    switch (u.format) {
-    case 1: u.format1.serialize (c,
-                                 src,
-                                 glyph_val_iter_pairs,
-                                 new_format,
-                                 layout_variation_idx_map);
-      return;
-    case 2: u.format2.serialize (c,
-                                 src,
-                                 glyph_val_iter_pairs,
-                                 new_format,
-                                 layout_variation_idx_map);
-      return;
-    default:return;
-    }
-  }
-
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  SinglePosFormat1	format1;
-  SinglePosFormat2	format2;
-  } u;
-};
-
-template<typename Iterator, typename SrcLookup>
-static void
-SinglePos_serialize (hb_serialize_context_t *c,
-		     const SrcLookup *src,
-		     Iterator it,
-		     const hb_map_t *layout_variation_idx_map)
-{ c->start_embed<SinglePos> ()->serialize (c, src, it, layout_variation_idx_map); }
-
-
-struct PairValueRecord
-{
-  friend struct PairSet;
-
-  int cmp (hb_codepoint_t k) const
-  { return secondGlyph.cmp (k); }
-
-  struct context_t
-  {
-    const void 		*base;
-    const ValueFormat	*valueFormats;
-    const ValueFormat	*newFormats;
-    unsigned		len1; /* valueFormats[0].get_len() */
-    const hb_map_t 	*glyph_map;
-    const hb_map_t      *layout_variation_idx_map;
-  };
-
-  bool subset (hb_subset_context_t *c,
-               context_t *closure) const
-  {
-    TRACE_SERIALIZE (this);
-    auto *s = c->serializer;
-    auto *out = s->start_embed (*this);
-    if (unlikely (!s->extend_min (out))) return_trace (false);
-
-    out->secondGlyph = (*closure->glyph_map)[secondGlyph];
-
-    closure->valueFormats[0].copy_values (s,
-                                          closure->newFormats[0],
-                                          closure->base, &values[0],
-                                          closure->layout_variation_idx_map);
-    closure->valueFormats[1].copy_values (s,
-                                          closure->newFormats[1],
-                                          closure->base,
-                                          &values[closure->len1],
-                                          closure->layout_variation_idx_map);
-
-    return_trace (true);
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  const ValueFormat *valueFormats,
-				  const void *base) const
-  {
-    unsigned record1_len = valueFormats[0].get_len ();
-    unsigned record2_len = valueFormats[1].get_len ();
-    const hb_array_t<const Value> values_array = values.as_array (record1_len + record2_len);
-
-    if (valueFormats[0].has_device ())
-      valueFormats[0].collect_variation_indices (c, base, values_array.sub_array (0, record1_len));
-
-    if (valueFormats[1].has_device ())
-      valueFormats[1].collect_variation_indices (c, base, values_array.sub_array (record1_len, record2_len));
-  }
-
-  bool intersects (const hb_set_t& glyphset) const
-  {
-    return glyphset.has(secondGlyph);
-  }
-
-  const Value* get_values_1 () const
-  {
-    return &values[0];
-  }
-
-  const Value* get_values_2 (ValueFormat format1) const
-  {
-    return &values[format1.get_len ()];
-  }
-
-  protected:
-  HBGlyphID16	secondGlyph;		/* GlyphID of second glyph in the
-					 * pair--first glyph is listed in the
-					 * Coverage table */
-  ValueRecord	values;			/* Positioning data for the first glyph
-					 * followed by for second glyph */
-  public:
-  DEFINE_SIZE_ARRAY (2, values);
-};
-
-struct PairSet
-{
-  friend struct PairPosFormat1;
-
-  bool intersects (const hb_set_t *glyphs,
-		   const ValueFormat *valueFormats) const
-  {
-    unsigned int len1 = valueFormats[0].get_len ();
-    unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
-
-    const PairValueRecord *record = &firstPairValueRecord;
-    unsigned int count = len;
-    for (unsigned int i = 0; i < count; i++)
-    {
-      if (glyphs->has (record->secondGlyph))
-	return true;
-      record = &StructAtOffset<const PairValueRecord> (record, record_size);
-    }
-    return false;
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c,
-		       const ValueFormat *valueFormats) const
-  {
-    unsigned int len1 = valueFormats[0].get_len ();
-    unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
-
-    const PairValueRecord *record = &firstPairValueRecord;
-    c->input->add_array (&record->secondGlyph, len, record_size);
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  const ValueFormat *valueFormats) const
-  {
-    unsigned len1 = valueFormats[0].get_len ();
-    unsigned len2 = valueFormats[1].get_len ();
-    unsigned record_size = HBUINT16::static_size * (1 + len1 + len2);
-
-    const PairValueRecord *record = &firstPairValueRecord;
-    unsigned count = len;
-    for (unsigned i = 0; i < count; i++)
-    {
-      if (c->glyph_set->has (record->secondGlyph))
-      { record->collect_variation_indices (c, valueFormats, this); }
-
-      record = &StructAtOffset<const PairValueRecord> (record, record_size);
-    }
-  }
-
-  bool apply (hb_ot_apply_context_t *c,
-	      const ValueFormat *valueFormats,
-	      unsigned int pos) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int len1 = valueFormats[0].get_len ();
-    unsigned int len2 = valueFormats[1].get_len ();
-    unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2);
-
-    const PairValueRecord *record = hb_bsearch (buffer->info[pos].codepoint,
-						&firstPairValueRecord,
-						len,
-						record_size);
-    if (record)
-    {
-      bool applied_first = valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos());
-      bool applied_second = valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]);
-      if (applied_first || applied_second)
-	buffer->unsafe_to_break (buffer->idx, pos + 1);
-      if (len2)
-	pos++;
-      buffer->idx = pos;
-      return_trace (true);
-    }
-    buffer->unsafe_to_concat (buffer->idx, pos + 1);
-    return_trace (false);
-  }
-
-  bool subset (hb_subset_context_t *c,
-	       const ValueFormat valueFormats[2],
-               const ValueFormat newFormats[2]) const
-  {
-    TRACE_SUBSET (this);
-    auto snap = c->serializer->snapshot ();
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->len = 0;
-
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    unsigned len1 = valueFormats[0].get_len ();
-    unsigned len2 = valueFormats[1].get_len ();
-    unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2);
-
-    PairValueRecord::context_t context =
-    {
-      this,
-      valueFormats,
-      newFormats,
-      len1,
-      &glyph_map,
-      c->plan->layout_variation_idx_map
-    };
-
-    const PairValueRecord *record = &firstPairValueRecord;
-    unsigned count = len, num = 0;
-    for (unsigned i = 0; i < count; i++)
-    {
-      if (glyphset.has (record->secondGlyph)
-	 && record->subset (c, &context)) num++;
-      record = &StructAtOffset<const PairValueRecord> (record, record_size);
-    }
-
-    out->len = num;
-    if (!num) c->serializer->revert (snap);
-    return_trace (num);
-  }
-
-  struct sanitize_closure_t
-  {
-    const ValueFormat *valueFormats;
-    unsigned int len1; /* valueFormats[0].get_len() */
-    unsigned int stride; /* 1 + len1 + len2 */
-  };
-
-  bool sanitize (hb_sanitize_context_t *c, const sanitize_closure_t *closure) const
-  {
-    TRACE_SANITIZE (this);
-    if (!(c->check_struct (this)
-       && c->check_range (&firstPairValueRecord,
-			  len,
-			  HBUINT16::static_size,
-			  closure->stride))) return_trace (false);
-
-    unsigned int count = len;
-    const PairValueRecord *record = &firstPairValueRecord;
-    return_trace (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) &&
-		  closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride));
-  }
-
-  protected:
-  HBUINT16		len;	/* Number of PairValueRecords */
-  PairValueRecord	firstPairValueRecord;
-				/* Array of PairValueRecords--ordered
-				 * by GlyphID of the second glyph */
-  public:
-  DEFINE_SIZE_MIN (2);
-};
-
-struct PairPosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    return
-    + hb_zip (this+coverage, pairSet)
-    | hb_filter (*glyphs, hb_first)
-    | hb_map (hb_second)
-    | hb_map ([glyphs, this] (const Offset16To<PairSet> &_)
-	      { return (this+_).intersects (glyphs, valueFormat); })
-    | hb_any
-    ;
-  }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    if ((!valueFormat[0].has_device ()) && (!valueFormat[1].has_device ())) return;
-
-    auto it =
-    + hb_zip (this+coverage, pairSet)
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    ;
-
-    if (!it) return;
-    + it
-    | hb_map (hb_add (this))
-    | hb_apply ([&] (const PairSet& _) { _.collect_variation_indices (c, valueFormat); })
-    ;
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  {
-    if (unlikely (!(this+coverage).collect_coverage (c->input))) return;
-    unsigned int count = pairSet.len;
-    for (unsigned int i = 0; i < count; i++)
-      (this+pairSet[i]).collect_glyphs (c, valueFormat);
-  }
-
-  const Coverage &get_coverage () const { return this+coverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (index == NOT_COVERED)) return_trace (false);
-
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    unsigned unsafe_to;
-    if (!skippy_iter.next (&unsafe_to))
-    {
-      buffer->unsafe_to_concat (buffer->idx, unsafe_to);
-      return_trace (false);
-    }
-
-    return_trace ((this+pairSet[index]).apply (c, valueFormat, skippy_iter.idx));
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->format = format;
-    out->valueFormat[0] = valueFormat[0];
-    out->valueFormat[1] = valueFormat[1];
-    if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
-    {
-      hb_pair_t<unsigned, unsigned> newFormats = compute_effective_value_formats (glyphset);
-      out->valueFormat[0] = newFormats.first;
-      out->valueFormat[1] = newFormats.second;
-    }
-
-    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
-
-    + hb_zip (this+coverage, pairSet)
-    | hb_filter (glyphset, hb_first)
-    | hb_filter ([this, c, out] (const Offset16To<PairSet>& _)
-		 {
-                   auto snap = c->serializer->snapshot ();
-		   auto *o = out->pairSet.serialize_append (c->serializer);
-		   if (unlikely (!o)) return false;
-		   bool ret = o->serialize_subset (c, _, this, valueFormat, out->valueFormat);
-		   if (!ret)
-		   {
-		     out->pairSet.pop ();
-		     c->serializer->revert (snap);
-		   }
-		   return ret;
-		 },
-		 hb_second)
-    | hb_map (hb_first)
-    | hb_map (glyph_map)
-    | hb_sink (new_coverage)
-    ;
-
-    out->coverage.serialize_serialize (c->serializer, new_coverage.iter ());
-
-    return_trace (bool (new_coverage));
-  }
-
-
-  hb_pair_t<unsigned, unsigned> compute_effective_value_formats (const hb_set_t& glyphset) const
-  {
-    unsigned len1 = valueFormat[0].get_len ();
-    unsigned len2 = valueFormat[1].get_len ();
-    unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2);
-
-    unsigned format1 = 0;
-    unsigned format2 = 0;
-    for (const Offset16To<PairSet>& _ :
-             + hb_zip (this+coverage, pairSet) | hb_filter (glyphset, hb_first) | hb_map (hb_second))
-    {
-      const PairSet& set = (this + _);
-      const PairValueRecord *record = &set.firstPairValueRecord;
-
-      for (unsigned i = 0; i < set.len; i++)
-      {
-        if (record->intersects (glyphset))
-        {
-          format1 = format1 | valueFormat[0].get_effective_format (record->get_values_1 ());
-          format2 = format2 | valueFormat[1].get_effective_format (record->get_values_2 (valueFormat[0]));
-        }
-        record = &StructAtOffset<const PairValueRecord> (record, record_size);
-      }
-    }
-
-    return hb_pair (format1, format2);
-  }
-
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-
-    if (!c->check_struct (this)) return_trace (false);
-
-    unsigned int len1 = valueFormat[0].get_len ();
-    unsigned int len2 = valueFormat[1].get_len ();
-    PairSet::sanitize_closure_t closure =
-    {
-      valueFormat,
-      len1,
-      1 + len1 + len2
-    };
-
-    return_trace (coverage.sanitize (c, this) && pairSet.sanitize (c, this, &closure));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		coverage;		/* Offset to Coverage table--from
-					 * beginning of subtable */
-  ValueFormat	valueFormat[2];		/* [0] Defines the types of data in
-					 * ValueRecord1--for the first glyph
-					 * in the pair--may be zero (0) */
-					/* [1] Defines the types of data in
-					 * ValueRecord2--for the second glyph
-					 * in the pair--may be zero (0) */
-  Array16OfOffset16To<PairSet>
-		pairSet;		/* Array of PairSet tables
-					 * ordered by Coverage Index */
-  public:
-  DEFINE_SIZE_ARRAY (10, pairSet);
-};
-
-struct PairPosFormat2
-{
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    return (this+coverage).intersects (glyphs) &&
-	   (this+classDef2).intersects (glyphs);
-  }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    if (!intersects (c->glyph_set)) return;
-    if ((!valueFormat1.has_device ()) && (!valueFormat2.has_device ())) return;
-
-    hb_set_t klass1_glyphs, klass2_glyphs;
-    if (!(this+classDef1).collect_coverage (&klass1_glyphs)) return;
-    if (!(this+classDef2).collect_coverage (&klass2_glyphs)) return;
-
-    hb_set_t class1_set, class2_set;
-    for (const unsigned cp : + c->glyph_set->iter () | hb_filter (this + coverage))
-    {
-      if (!klass1_glyphs.has (cp)) class1_set.add (0);
-      else
-      {
-        unsigned klass1 = (this+classDef1).get (cp);
-        class1_set.add (klass1);
-      }
-    }
-
-    class2_set.add (0);
-    for (const unsigned cp : + c->glyph_set->iter () | hb_filter (klass2_glyphs))
-    {
-      unsigned klass2 = (this+classDef2).get (cp);
-      class2_set.add (klass2);
-    }
-
-    if (class1_set.is_empty ()
-        || class2_set.is_empty ()
-        || (class2_set.get_population() == 1 && class2_set.has(0)))
-      return;
-
-    unsigned len1 = valueFormat1.get_len ();
-    unsigned len2 = valueFormat2.get_len ();
-    const hb_array_t<const Value> values_array = values.as_array ((unsigned)class1Count * (unsigned) class2Count * (len1 + len2));
-    for (const unsigned class1_idx : class1_set.iter ())
-    {
-      for (const unsigned class2_idx : class2_set.iter ())
-      {
-	unsigned start_offset = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
-	if (valueFormat1.has_device ())
-	  valueFormat1.collect_variation_indices (c, this, values_array.sub_array (start_offset, len1));
-
-	if (valueFormat2.has_device ())
-	  valueFormat2.collect_variation_indices (c, this, values_array.sub_array (start_offset+len1, len2));
-      }
-    }
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  {
-    if (unlikely (!(this+coverage).collect_coverage (c->input))) return;
-    if (unlikely (!(this+classDef2).collect_coverage (c->input))) return;
-  }
-
-  const Coverage &get_coverage () const { return this+coverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int index = (this+coverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (index == NOT_COVERED)) return_trace (false);
-
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    unsigned unsafe_to;
-    if (!skippy_iter.next (&unsafe_to))
-    {
-      buffer->unsafe_to_concat (buffer->idx, unsafe_to);
-      return_trace (false);
-    }
-
-    unsigned int len1 = valueFormat1.get_len ();
-    unsigned int len2 = valueFormat2.get_len ();
-    unsigned int record_len = len1 + len2;
-
-    unsigned int klass1 = (this+classDef1).get_class (buffer->cur().codepoint);
-    unsigned int klass2 = (this+classDef2).get_class (buffer->info[skippy_iter.idx].codepoint);
-    if (unlikely (klass1 >= class1Count || klass2 >= class2Count))
-    {
-      buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1);
-      return_trace (false);
-    }
-
-    const Value *v = &values[record_len * (klass1 * class2Count + klass2)];
-
-    bool applied_first = false, applied_second = false;
-
-
-    /* Isolate simple kerning and apply it half to each side.
-     * Results in better cursor positinoing / underline drawing.
-     *
-     * Disabled, because causes issues... :-(
-     * https://github.com/harfbuzz/harfbuzz/issues/3408
-     * https://github.com/harfbuzz/harfbuzz/pull/3235#issuecomment-1029814978
-     */
-#ifndef HB_SPLIT_KERN
-    if (0)
-#endif
-    {
-      if (!len2)
-      {
-	const hb_direction_t dir = buffer->props.direction;
-	const bool horizontal = HB_DIRECTION_IS_HORIZONTAL (dir);
-	const bool backward = HB_DIRECTION_IS_BACKWARD (dir);
-	unsigned mask = horizontal ? ValueFormat::xAdvance : ValueFormat::yAdvance;
-	if (backward)
-	  mask |= mask >> 2; /* Add eg. xPlacement in RTL. */
-	/* Add Devices. */
-	mask |= mask << 4;
-
-	if (valueFormat1 & ~mask)
-	  goto bail;
-
-	/* Is simple kern. Apply value on an empty position slot,
-	 * then split it between sides. */
-
-	hb_glyph_position_t pos{};
-	if (valueFormat1.apply_value (c, this, v, pos))
-	{
-	  hb_position_t *src  = &pos.x_advance;
-	  hb_position_t *dst1 = &buffer->cur_pos().x_advance;
-	  hb_position_t *dst2 = &buffer->pos[skippy_iter.idx].x_advance;
-	  unsigned i = horizontal ? 0 : 1;
-
-	  hb_position_t kern  = src[i];
-	  hb_position_t kern1 = kern >> 1;
-	  hb_position_t kern2 = kern - kern1;
-
-	  if (!backward)
-	  {
-	    dst1[i] += kern1;
-	    dst2[i] += kern2;
-	    dst2[i + 2] += kern2;
-	  }
-	  else
-	  {
-	    dst1[i] += kern1;
-	    dst1[i + 2] += src[i + 2] - kern2;
-	    dst2[i] += kern2;
-	  }
-
-	  applied_first = applied_second = kern != 0;
-	  goto success;
-	}
-	goto boring;
-      }
-    }
-    bail:
-
-
-    applied_first = valueFormat1.apply_value (c, this, v, buffer->cur_pos());
-    applied_second = valueFormat2.apply_value (c, this, v + len1, buffer->pos[skippy_iter.idx]);
-
-    success:
-    if (applied_first || applied_second)
-      buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1);
-    else
-    boring:
-      buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1);
-
-
-    buffer->idx = skippy_iter.idx;
-    if (len2)
-      buffer->idx++;
-
-    return_trace (true);
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->format = format;
-
-    hb_map_t klass1_map;
-    out->classDef1.serialize_subset (c, classDef1, this, &klass1_map, true, true, &(this + coverage));
-    out->class1Count = klass1_map.get_population ();
-
-    hb_map_t klass2_map;
-    out->classDef2.serialize_subset (c, classDef2, this, &klass2_map, true, false);
-    out->class2Count = klass2_map.get_population ();
-
-    unsigned len1 = valueFormat1.get_len ();
-    unsigned len2 = valueFormat2.get_len ();
-
-    hb_pair_t<unsigned, unsigned> newFormats = hb_pair (valueFormat1, valueFormat2);
-    if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
-      newFormats = compute_effective_value_formats (klass1_map, klass2_map);
-
-    out->valueFormat1 = newFormats.first;
-    out->valueFormat2 = newFormats.second;
-
-    for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map))
-    {
-      for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map))
-      {
-        unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
-        valueFormat1.copy_values (c->serializer, newFormats.first, this, &values[idx], c->plan->layout_variation_idx_map);
-        valueFormat2.copy_values (c->serializer, newFormats.second, this, &values[idx + len1], c->plan->layout_variation_idx_map);
-      }
-    }
-
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto it =
-    + hb_iter (this+coverage)
-    | hb_filter (glyphset)
-    | hb_map_retains_sorting (glyph_map)
-    ;
-
-    out->coverage.serialize_serialize (c->serializer, it);
-    return_trace (out->class1Count && out->class2Count && bool (it));
-  }
-
-
-  hb_pair_t<unsigned, unsigned> compute_effective_value_formats (const hb_map_t& klass1_map,
-                                                                 const hb_map_t& klass2_map) const
-  {
-    unsigned len1 = valueFormat1.get_len ();
-    unsigned len2 = valueFormat2.get_len ();
-
-    unsigned format1 = 0;
-    unsigned format2 = 0;
-
-    for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map))
-    {
-      for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map))
-      {
-        unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
-        format1 = format1 | valueFormat1.get_effective_format (&values[idx]);
-        format2 = format2 | valueFormat2.get_effective_format (&values[idx + len1]);
-      }
-    }
-
-    return hb_pair (format1, format2);
-  }
-
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    if (!(c->check_struct (this)
-       && coverage.sanitize (c, this)
-       && classDef1.sanitize (c, this)
-       && classDef2.sanitize (c, this))) return_trace (false);
-
-    unsigned int len1 = valueFormat1.get_len ();
-    unsigned int len2 = valueFormat2.get_len ();
-    unsigned int stride = len1 + len2;
-    unsigned int record_size = valueFormat1.get_size () + valueFormat2.get_size ();
-    unsigned int count = (unsigned int) class1Count * (unsigned int) class2Count;
-    return_trace (c->check_range ((const void *) values,
-				  count,
-				  record_size) &&
-		  valueFormat1.sanitize_values_stride_unsafe (c, this, &values[0], count, stride) &&
-		  valueFormat2.sanitize_values_stride_unsafe (c, this, &values[len1], count, stride));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 2 */
-  Offset16To<Coverage>
-		coverage;		/* Offset to Coverage table--from
-					 * beginning of subtable */
-  ValueFormat	valueFormat1;		/* ValueRecord definition--for the
-					 * first glyph of the pair--may be zero
-					 * (0) */
-  ValueFormat	valueFormat2;		/* ValueRecord definition--for the
-					 * second glyph of the pair--may be
-					 * zero (0) */
-  Offset16To<ClassDef>
-		classDef1;		/* Offset to ClassDef table--from
-					 * beginning of PairPos subtable--for
-					 * the first glyph of the pair */
-  Offset16To<ClassDef>
-		classDef2;		/* Offset to ClassDef table--from
-					 * beginning of PairPos subtable--for
-					 * the second glyph of the pair */
-  HBUINT16	class1Count;		/* Number of classes in ClassDef1
-					 * table--includes Class0 */
-  HBUINT16	class2Count;		/* Number of classes in ClassDef2
-					 * table--includes Class0 */
-  ValueRecord	values;			/* Matrix of value pairs:
-					 * class1-major, class2-minor,
-					 * Each entry has value1 and value2 */
-  public:
-  DEFINE_SIZE_ARRAY (16, values);
-};
-
-struct PairPos
-{
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  PairPosFormat1	format1;
-  PairPosFormat2	format2;
-  } u;
-};
-
-
-struct EntryExitRecord
-{
-  friend struct CursivePosFormat1;
-
-  bool sanitize (hb_sanitize_context_t *c, const void *base) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (entryAnchor.sanitize (c, base) && exitAnchor.sanitize (c, base));
-  }
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c,
-				  const void *src_base) const
-  {
-    (src_base+entryAnchor).collect_variation_indices (c);
-    (src_base+exitAnchor).collect_variation_indices (c);
-  }
-
-  EntryExitRecord* subset (hb_subset_context_t *c,
-                           const void *src_base) const
-  {
-    TRACE_SERIALIZE (this);
-    auto *out = c->serializer->embed (this);
-    if (unlikely (!out)) return_trace (nullptr);
-
-    out->entryAnchor.serialize_subset (c, entryAnchor, src_base);
-    out->exitAnchor.serialize_subset (c, exitAnchor, src_base);
-    return_trace (out);
-  }
-
-  protected:
-  Offset16To<Anchor>
-		entryAnchor;		/* Offset to EntryAnchor table--from
-					 * beginning of CursivePos
-					 * subtable--may be NULL */
-  Offset16To<Anchor>
-		exitAnchor;		/* Offset to ExitAnchor table--from
-					 * beginning of CursivePos
-					 * subtable--may be NULL */
-  public:
-  DEFINE_SIZE_STATIC (4);
-};
-
-static void
-reverse_cursive_minor_offset (hb_glyph_position_t *pos, unsigned int i, hb_direction_t direction, unsigned int new_parent);
-
-struct CursivePosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  { return (this+coverage).intersects (glyphs); }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    + hb_zip (this+coverage, entryExitRecord)
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    | hb_apply ([&] (const EntryExitRecord& record) { record.collect_variation_indices (c, this); })
-    ;
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; }
-
-  const Coverage &get_coverage () const { return this+coverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-
-    const EntryExitRecord &this_record = entryExitRecord[(this+coverage).get_coverage  (buffer->cur().codepoint)];
-    if (!this_record.entryAnchor) return_trace (false);
-
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    unsigned unsafe_from;
-    if (!skippy_iter.prev (&unsafe_from))
-    {
-      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    const EntryExitRecord &prev_record = entryExitRecord[(this+coverage).get_coverage  (buffer->info[skippy_iter.idx].codepoint)];
-    if (!prev_record.exitAnchor)
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    unsigned int i = skippy_iter.idx;
-    unsigned int j = buffer->idx;
-
-    buffer->unsafe_to_break (i, j);
-    float entry_x, entry_y, exit_x, exit_y;
-    (this+prev_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y);
-    (this+this_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y);
-
-    hb_glyph_position_t *pos = buffer->pos;
-
-    hb_position_t d;
-    /* Main-direction adjustment */
-    switch (c->direction) {
-      case HB_DIRECTION_LTR:
-	pos[i].x_advance  = roundf (exit_x) + pos[i].x_offset;
-
-	d = roundf (entry_x) + pos[j].x_offset;
-	pos[j].x_advance -= d;
-	pos[j].x_offset  -= d;
-	break;
-      case HB_DIRECTION_RTL:
-	d = roundf (exit_x) + pos[i].x_offset;
-	pos[i].x_advance -= d;
-	pos[i].x_offset  -= d;
-
-	pos[j].x_advance  = roundf (entry_x) + pos[j].x_offset;
-	break;
-      case HB_DIRECTION_TTB:
-	pos[i].y_advance  = roundf (exit_y) + pos[i].y_offset;
-
-	d = roundf (entry_y) + pos[j].y_offset;
-	pos[j].y_advance -= d;
-	pos[j].y_offset  -= d;
-	break;
-      case HB_DIRECTION_BTT:
-	d = roundf (exit_y) + pos[i].y_offset;
-	pos[i].y_advance -= d;
-	pos[i].y_offset  -= d;
-
-	pos[j].y_advance  = roundf (entry_y);
-	break;
-      case HB_DIRECTION_INVALID:
-      default:
-	break;
-    }
-
-    /* Cross-direction adjustment */
-
-    /* We attach child to parent (think graph theory and rooted trees whereas
-     * the root stays on baseline and each node aligns itself against its
-     * parent.
-     *
-     * Optimize things for the case of RightToLeft, as that's most common in
-     * Arabic. */
-    unsigned int child  = i;
-    unsigned int parent = j;
-    hb_position_t x_offset = entry_x - exit_x;
-    hb_position_t y_offset = entry_y - exit_y;
-    if  (!(c->lookup_props & LookupFlag::RightToLeft))
-    {
-      unsigned int k = child;
-      child = parent;
-      parent = k;
-      x_offset = -x_offset;
-      y_offset = -y_offset;
-    }
-
-    /* If child was already connected to someone else, walk through its old
-     * chain and reverse the link direction, such that the whole tree of its
-     * previous connection now attaches to new parent.  Watch out for case
-     * where new parent is on the path from old chain...
-     */
-    reverse_cursive_minor_offset (pos, child, c->direction, parent);
-
-    pos[child].attach_type() = ATTACH_TYPE_CURSIVE;
-    pos[child].attach_chain() = (int) parent - (int) child;
-    buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT;
-    if (likely (HB_DIRECTION_IS_HORIZONTAL (c->direction)))
-      pos[child].y_offset = y_offset;
-    else
-      pos[child].x_offset = x_offset;
-
-    /* If parent was attached to child, separate them.
-     * https://github.com/harfbuzz/harfbuzz/issues/2469
-     */
-    if (unlikely (pos[parent].attach_chain() == -pos[child].attach_chain()))
-      pos[parent].attach_chain() = 0;
-
-    buffer->idx++;
-    return_trace (true);
-  }
-
-  template <typename Iterator,
-	    hb_requires (hb_is_iterator (Iterator))>
-  void serialize (hb_subset_context_t *c,
-		  Iterator it,
-		  const void *src_base)
-  {
-    if (unlikely (!c->serializer->extend_min ((*this)))) return;
-    this->format = 1;
-    this->entryExitRecord.len = it.len ();
-
-    for (const EntryExitRecord& entry_record : + it
-					       | hb_map (hb_second))
-      entry_record.subset (c, src_base);
-
-    auto glyphs =
-    + it
-    | hb_map_retains_sorting (hb_first)
-    ;
-
-    coverage.serialize_serialize (c->serializer, glyphs);
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!out)) return_trace (false);
-
-    auto it =
-    + hb_zip (this+coverage, entryExitRecord)
-    | hb_filter (glyphset, hb_first)
-    | hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, const EntryExitRecord&> p) -> hb_pair_t<hb_codepoint_t, const EntryExitRecord&>
-			      { return hb_pair (glyph_map[p.first], p.second);})
-    ;
-
-    bool ret = bool (it);
-    out->serialize (c, it, this);
-    return_trace (ret);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (coverage.sanitize (c, this) && entryExitRecord.sanitize (c, this));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		coverage;		/* Offset to Coverage table--from
-					 * beginning of subtable */
-  Array16Of<EntryExitRecord>
-		entryExitRecord;	/* Array of EntryExit records--in
-					 * Coverage Index order */
-  public:
-  DEFINE_SIZE_ARRAY (6, entryExitRecord);
-};
-
-struct CursivePos
-{
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  CursivePosFormat1	format1;
-  } u;
-};
-
-
-typedef AnchorMatrix BaseArray;		/* base-major--
-					 * in order of BaseCoverage Index--,
-					 * mark-minor--
-					 * ordered by class--zero-based. */
-
-static void Markclass_closure_and_remap_indexes (const Coverage  &mark_coverage,
-						 const MarkArray &mark_array,
-						 const hb_set_t  &glyphset,
-						 hb_map_t*        klass_mapping /* INOUT */)
-{
-  hb_set_t orig_classes;
-
-  + hb_zip (mark_coverage, mark_array)
-  | hb_filter (glyphset, hb_first)
-  | hb_map (hb_second)
-  | hb_map (&MarkRecord::get_class)
-  | hb_sink (orig_classes)
-  ;
-
-  unsigned idx = 0;
-  for (auto klass : orig_classes.iter ())
-  {
-    if (klass_mapping->has (klass)) continue;
-    klass_mapping->set (klass, idx);
-    idx++;
-  }
-}
-
-struct MarkBasePosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    return (this+markCoverage).intersects (glyphs) &&
-	   (this+baseCoverage).intersects (glyphs);
-  }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    + hb_zip (this+markCoverage, this+markArray)
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); })
-    ;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping);
-
-    unsigned basecount = (this+baseArray).rows;
-    auto base_iter =
-    + hb_zip (this+baseCoverage, hb_range (basecount))
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    ;
-
-    hb_sorted_vector_t<unsigned> base_indexes;
-    for (const unsigned row : base_iter)
-    {
-      + hb_range ((unsigned) classCount)
-      | hb_filter (klass_mapping)
-      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
-      | hb_sink (base_indexes)
-      ;
-    }
-    (this+baseArray).collect_variation_indices (c, base_indexes.iter ());
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  {
-    if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return;
-    if (unlikely (!(this+baseCoverage).collect_coverage (c->input))) return;
-  }
-
-  const Coverage &get_coverage () const { return this+markCoverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int mark_index = (this+markCoverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (mark_index == NOT_COVERED)) return_trace (false);
-
-    /* Now we search backwards for a non-mark glyph */
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
-    do {
-      unsigned unsafe_from;
-      if (!skippy_iter.prev (&unsafe_from))
-      {
-	buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
-	return_trace (false);
-      }
-
-      /* We only want to attach to the first of a MultipleSubst sequence.
-       * https://github.com/harfbuzz/harfbuzz/issues/740
-       * Reject others...
-       * ...but stop if we find a mark in the MultipleSubst sequence:
-       * https://github.com/harfbuzz/harfbuzz/issues/1020 */
-      if (!_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx]) ||
-	  0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) ||
-	  (skippy_iter.idx == 0 ||
-	   _hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx - 1]) ||
-	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]) !=
-	   _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1]) ||
-	   _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) !=
-	   _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx - 1]) + 1
-	   ))
-	break;
-      skippy_iter.reject ();
-    } while (true);
-
-    /* Checking that matched glyph is actually a base glyph by GDEF is too strong; disabled */
-    //if (!_hb_glyph_info_is_base_glyph (&buffer->info[skippy_iter.idx])) { return_trace (false); }
-
-    unsigned int base_index = (this+baseCoverage).get_coverage  (buffer->info[skippy_iter.idx].codepoint);
-    if (base_index == NOT_COVERED)
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    return_trace ((this+markArray).apply (c, mark_index, base_index, this+baseArray, classCount, skippy_iter.idx));
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->format = format;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping);
-
-    if (!klass_mapping.get_population ()) return_trace (false);
-    out->classCount = klass_mapping.get_population ();
-
-    auto mark_iter =
-    + hb_zip (this+markCoverage, this+markArray)
-    | hb_filter (glyphset, hb_first)
-    ;
-
-    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
-    + mark_iter
-    | hb_map (hb_first)
-    | hb_map (glyph_map)
-    | hb_sink (new_coverage)
-    ;
-
-    if (!out->markCoverage.serialize_serialize (c->serializer, new_coverage.iter ()))
-      return_trace (false);
-
-    out->markArray.serialize_subset (c, markArray, this,
-                                     (this+markCoverage).iter (),
-                                     &klass_mapping);
-
-    unsigned basecount = (this+baseArray).rows;
-    auto base_iter =
-    + hb_zip (this+baseCoverage, hb_range (basecount))
-    | hb_filter (glyphset, hb_first)
-    ;
-
-    new_coverage.reset ();
-    + base_iter
-    | hb_map (hb_first)
-    | hb_map (glyph_map)
-    | hb_sink (new_coverage)
-    ;
-
-    if (!out->baseCoverage.serialize_serialize (c->serializer, new_coverage.iter ()))
-      return_trace (false);
-
-    hb_sorted_vector_t<unsigned> base_indexes;
-    for (const unsigned row : + base_iter
-			      | hb_map (hb_second))
-    {
-      + hb_range ((unsigned) classCount)
-      | hb_filter (klass_mapping)
-      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
-      | hb_sink (base_indexes)
-      ;
-    }
-
-    out->baseArray.serialize_subset (c, baseArray, this,
-                                     base_iter.len (),
-                                     base_indexes.iter ());
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  markCoverage.sanitize (c, this) &&
-		  baseCoverage.sanitize (c, this) &&
-		  markArray.sanitize (c, this) &&
-		  baseArray.sanitize (c, this, (unsigned int) classCount));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		markCoverage;		/* Offset to MarkCoverage table--from
-					 * beginning of MarkBasePos subtable */
-  Offset16To<Coverage>
-		baseCoverage;		/* Offset to BaseCoverage table--from
-					 * beginning of MarkBasePos subtable */
-  HBUINT16	classCount;		/* Number of classes defined for marks */
-  Offset16To<MarkArray>
-		markArray;		/* Offset to MarkArray table--from
-					 * beginning of MarkBasePos subtable */
-  Offset16To<BaseArray>
-		baseArray;		/* Offset to BaseArray table--from
-					 * beginning of MarkBasePos subtable */
-  public:
-  DEFINE_SIZE_STATIC (12);
-};
-
-struct MarkBasePos
-{
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  MarkBasePosFormat1	format1;
-  } u;
-};
-
-
-typedef AnchorMatrix LigatureAttach;	/* component-major--
-					 * in order of writing direction--,
-					 * mark-minor--
-					 * ordered by class--zero-based. */
-
-/* Array of LigatureAttach tables ordered by LigatureCoverage Index */
-struct LigatureArray : List16OfOffset16To<LigatureAttach>
-{
-  template <typename Iterator,
-	    hb_requires (hb_is_iterator (Iterator))>
-  bool subset (hb_subset_context_t *c,
-               Iterator		    coverage,
-	       unsigned		    class_count,
-	       const hb_map_t	   *klass_mapping) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-
-    auto *out = c->serializer->start_embed (this);
-    if (unlikely (!c->serializer->extend_min (out)))  return_trace (false);
-
-    for (const auto _ : + hb_zip (coverage, *this)
-		  | hb_filter (glyphset, hb_first))
-    {
-      auto *matrix = out->serialize_append (c->serializer);
-      if (unlikely (!matrix)) return_trace (false);
-
-      const LigatureAttach& src = (this + _.second);
-      auto indexes =
-          + hb_range (src.rows * class_count)
-          | hb_filter ([=] (unsigned index) { return klass_mapping->has (index % class_count); })
-          ;
-      matrix->serialize_subset (c,
-				_.second,
-				this,
-                                src.rows,
-                                indexes);
-    }
-    return_trace (this->len);
-  }
-};
-
-struct MarkLigPosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    return (this+markCoverage).intersects (glyphs) &&
-	   (this+ligatureCoverage).intersects (glyphs);
-  }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    + hb_zip (this+markCoverage, this+markArray)
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); })
-    ;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping);
-
-    unsigned ligcount = (this+ligatureArray).len;
-    auto lig_iter =
-    + hb_zip (this+ligatureCoverage, hb_range (ligcount))
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    ;
-
-    const LigatureArray& lig_array = this+ligatureArray;
-    for (const unsigned i : lig_iter)
-    {
-      hb_sorted_vector_t<unsigned> lig_indexes;
-      unsigned row_count = lig_array[i].rows;
-      for (unsigned row : + hb_range (row_count))
-      {
-	+ hb_range ((unsigned) classCount)
-	| hb_filter (klass_mapping)
-	| hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
-	| hb_sink (lig_indexes)
-	;
-      }
-
-      lig_array[i].collect_variation_indices (c, lig_indexes.iter ());
-    }
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  {
-    if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return;
-    if (unlikely (!(this+ligatureCoverage).collect_coverage (c->input))) return;
-  }
-
-  const Coverage &get_coverage () const { return this+markCoverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int mark_index = (this+markCoverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (mark_index == NOT_COVERED)) return_trace (false);
-
-    /* Now we search backwards for a non-mark glyph */
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
-    unsigned unsafe_from;
-    if (!skippy_iter.prev (&unsafe_from))
-    {
-      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    /* Checking that matched glyph is actually a ligature by GDEF is too strong; disabled */
-    //if (!_hb_glyph_info_is_ligature (&buffer->info[skippy_iter.idx])) { return_trace (false); }
-
-    unsigned int j = skippy_iter.idx;
-    unsigned int lig_index = (this+ligatureCoverage).get_coverage  (buffer->info[j].codepoint);
-    if (lig_index == NOT_COVERED)
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    const LigatureArray& lig_array = this+ligatureArray;
-    const LigatureAttach& lig_attach = lig_array[lig_index];
-
-    /* Find component to attach to */
-    unsigned int comp_count = lig_attach.rows;
-    if (unlikely (!comp_count))
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    /* We must now check whether the ligature ID of the current mark glyph
-     * is identical to the ligature ID of the found ligature.  If yes, we
-     * can directly use the component index.  If not, we attach the mark
-     * glyph to the last component of the ligature. */
-    unsigned int comp_index;
-    unsigned int lig_id = _hb_glyph_info_get_lig_id (&buffer->info[j]);
-    unsigned int mark_id = _hb_glyph_info_get_lig_id (&buffer->cur());
-    unsigned int mark_comp = _hb_glyph_info_get_lig_comp (&buffer->cur());
-    if (lig_id && lig_id == mark_id && mark_comp > 0)
-      comp_index = hb_min (comp_count, _hb_glyph_info_get_lig_comp (&buffer->cur())) - 1;
-    else
-      comp_index = comp_count - 1;
-
-    return_trace ((this+markArray).apply (c, mark_index, comp_index, lig_attach, classCount, j));
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->format = format;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping);
-
-    if (!klass_mapping.get_population ()) return_trace (false);
-    out->classCount = klass_mapping.get_population ();
-
-    auto mark_iter =
-    + hb_zip (this+markCoverage, this+markArray)
-    | hb_filter (glyphset, hb_first)
-    ;
-
-    auto new_mark_coverage =
-    + mark_iter
-    | hb_map_retains_sorting (hb_first)
-    | hb_map_retains_sorting (glyph_map)
-    ;
-
-    if (!out->markCoverage.serialize_serialize (c->serializer, new_mark_coverage))
-      return_trace (false);
-
-    out->markArray.serialize_subset (c, markArray, this,
-                                     (this+markCoverage).iter (),
-                                     &klass_mapping);
-
-    auto new_ligature_coverage =
-    + hb_iter (this + ligatureCoverage)
-    | hb_filter (glyphset)
-    | hb_map_retains_sorting (glyph_map)
-    ;
-
-    if (!out->ligatureCoverage.serialize_serialize (c->serializer, new_ligature_coverage))
-      return_trace (false);
-
-    out->ligatureArray.serialize_subset (c, ligatureArray, this,
-                                         hb_iter (this+ligatureCoverage), classCount, &klass_mapping);
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  markCoverage.sanitize (c, this) &&
-		  ligatureCoverage.sanitize (c, this) &&
-		  markArray.sanitize (c, this) &&
-		  ligatureArray.sanitize (c, this, (unsigned int) classCount));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		markCoverage;		/* Offset to Mark Coverage table--from
-					 * beginning of MarkLigPos subtable */
-  Offset16To<Coverage>
-		ligatureCoverage;	/* Offset to Ligature Coverage
-					 * table--from beginning of MarkLigPos
-					 * subtable */
-  HBUINT16	classCount;		/* Number of defined mark classes */
-  Offset16To<MarkArray>
-		markArray;		/* Offset to MarkArray table--from
-					 * beginning of MarkLigPos subtable */
-  Offset16To<LigatureArray>
-		ligatureArray;		/* Offset to LigatureArray table--from
-					 * beginning of MarkLigPos subtable */
-  public:
-  DEFINE_SIZE_STATIC (12);
-};
-
-
-struct MarkLigPos
-{
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  MarkLigPosFormat1	format1;
-  } u;
-};
-
-
-typedef AnchorMatrix Mark2Array;	/* mark2-major--
-					 * in order of Mark2Coverage Index--,
-					 * mark1-minor--
-					 * ordered by class--zero-based. */
-
-struct MarkMarkPosFormat1
-{
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    return (this+mark1Coverage).intersects (glyphs) &&
-	   (this+mark2Coverage).intersects (glyphs);
-  }
-
-  void closure_lookups (hb_closure_lookups_context_t *c) const {}
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    + hb_zip (this+mark1Coverage, this+mark1Array)
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+mark1Array)); })
-    ;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, *c->glyph_set, &klass_mapping);
-
-    unsigned mark2_count = (this+mark2Array).rows;
-    auto mark2_iter =
-    + hb_zip (this+mark2Coverage, hb_range (mark2_count))
-    | hb_filter (c->glyph_set, hb_first)
-    | hb_map (hb_second)
-    ;
-
-    hb_sorted_vector_t<unsigned> mark2_indexes;
-    for (const unsigned row : mark2_iter)
-    {
-      + hb_range ((unsigned) classCount)
-      | hb_filter (klass_mapping)
-      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
-      | hb_sink (mark2_indexes)
-      ;
-    }
-    (this+mark2Array).collect_variation_indices (c, mark2_indexes.iter ());
-  }
-
-  void collect_glyphs (hb_collect_glyphs_context_t *c) const
-  {
-    if (unlikely (!(this+mark1Coverage).collect_coverage (c->input))) return;
-    if (unlikely (!(this+mark2Coverage).collect_coverage (c->input))) return;
-  }
-
-  const Coverage &get_coverage () const { return this+mark1Coverage; }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    hb_buffer_t *buffer = c->buffer;
-    unsigned int mark1_index = (this+mark1Coverage).get_coverage  (buffer->cur().codepoint);
-    if (likely (mark1_index == NOT_COVERED)) return_trace (false);
-
-    /* now we search backwards for a suitable mark glyph until a non-mark glyph */
-    hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
-    skippy_iter.reset (buffer->idx, 1);
-    skippy_iter.set_lookup_props (c->lookup_props & ~LookupFlag::IgnoreFlags);
-    unsigned unsafe_from;
-    if (!skippy_iter.prev (&unsafe_from))
-    {
-      buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    if (!_hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx]))
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    unsigned int j = skippy_iter.idx;
-
-    unsigned int id1 = _hb_glyph_info_get_lig_id (&buffer->cur());
-    unsigned int id2 = _hb_glyph_info_get_lig_id (&buffer->info[j]);
-    unsigned int comp1 = _hb_glyph_info_get_lig_comp (&buffer->cur());
-    unsigned int comp2 = _hb_glyph_info_get_lig_comp (&buffer->info[j]);
-
-    if (likely (id1 == id2))
-    {
-      if (id1 == 0) /* Marks belonging to the same base. */
-	goto good;
-      else if (comp1 == comp2) /* Marks belonging to the same ligature component. */
-	goto good;
-    }
-    else
-    {
-      /* If ligature ids don't match, it may be the case that one of the marks
-       * itself is a ligature.  In which case match. */
-      if ((id1 > 0 && !comp1) || (id2 > 0 && !comp2))
-	goto good;
-    }
-
-    /* Didn't match. */
-    buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-    return_trace (false);
-
-    good:
-    unsigned int mark2_index = (this+mark2Coverage).get_coverage  (buffer->info[j].codepoint);
-    if (mark2_index == NOT_COVERED)
-    {
-      buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
-      return_trace (false);
-    }
-
-    return_trace ((this+mark1Array).apply (c, mark1_index, mark2_index, this+mark2Array, classCount, j));
-  }
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
-    const hb_map_t &glyph_map = *c->plan->glyph_map;
-
-    auto *out = c->serializer->start_embed (*this);
-    if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
-    out->format = format;
-
-    hb_map_t klass_mapping;
-    Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, glyphset, &klass_mapping);
-
-    if (!klass_mapping.get_population ()) return_trace (false);
-    out->classCount = klass_mapping.get_population ();
-
-    auto mark1_iter =
-    + hb_zip (this+mark1Coverage, this+mark1Array)
-    | hb_filter (glyphset, hb_first)
-    ;
-
-    hb_sorted_vector_t<hb_codepoint_t> new_coverage;
-    + mark1_iter
-    | hb_map (hb_first)
-    | hb_map (glyph_map)
-    | hb_sink (new_coverage)
-    ;
-
-    if (!out->mark1Coverage.serialize_serialize (c->serializer, new_coverage.iter ()))
-      return_trace (false);
-
-    out->mark1Array.serialize_subset (c, mark1Array, this,
-                                      (this+mark1Coverage).iter (),
-                                      &klass_mapping);
-
-    unsigned mark2count = (this+mark2Array).rows;
-    auto mark2_iter =
-    + hb_zip (this+mark2Coverage, hb_range (mark2count))
-    | hb_filter (glyphset, hb_first)
-    ;
-
-    new_coverage.reset ();
-    + mark2_iter
-    | hb_map (hb_first)
-    | hb_map (glyph_map)
-    | hb_sink (new_coverage)
-    ;
-
-    if (!out->mark2Coverage.serialize_serialize (c->serializer, new_coverage.iter ()))
-      return_trace (false);
-
-    hb_sorted_vector_t<unsigned> mark2_indexes;
-    for (const unsigned row : + mark2_iter
-			      | hb_map (hb_second))
-    {
-      + hb_range ((unsigned) classCount)
-      | hb_filter (klass_mapping)
-      | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; })
-      | hb_sink (mark2_indexes)
-      ;
-    }
-
-    out->mark2Array.serialize_subset (c, mark2Array, this, mark2_iter.len (), mark2_indexes.iter ());
-
-    return_trace (true);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-		  mark1Coverage.sanitize (c, this) &&
-		  mark2Coverage.sanitize (c, this) &&
-		  mark1Array.sanitize (c, this) &&
-		  mark2Array.sanitize (c, this, (unsigned int) classCount));
-  }
-
-  protected:
-  HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
-		mark1Coverage;		/* Offset to Combining Mark1 Coverage
-					 * table--from beginning of MarkMarkPos
-					 * subtable */
-  Offset16To<Coverage>
-		mark2Coverage;		/* Offset to Combining Mark2 Coverage
-					 * table--from beginning of MarkMarkPos
-					 * subtable */
-  HBUINT16	classCount;		/* Number of defined mark classes */
-  Offset16To<MarkArray>
-		mark1Array;		/* Offset to Mark1Array table--from
-					 * beginning of MarkMarkPos subtable */
-  Offset16To<Mark2Array>
-		mark2Array;		/* Offset to Mark2Array table--from
-					 * beginning of MarkMarkPos subtable */
-  public:
-  DEFINE_SIZE_STATIC (12);
-};
-
-struct MarkMarkPos
-{
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, u.format);
-    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
-    switch (u.format) {
-    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
-    default:return_trace (c->default_return_value ());
-    }
-  }
-
-  protected:
-  union {
-  HBUINT16		format;		/* Format identifier */
-  MarkMarkPosFormat1	format1;
-  } u;
-};
-
-
-struct ContextPos : Context {};
-
-struct ChainContextPos : ChainContext {};
-
-struct ExtensionPos : Extension<ExtensionPos>
-{
-  typedef struct PosLookupSubTable SubTable;
-};
-
-
-
-/*
- * PosLookup
- */
-
-
-struct PosLookupSubTable
-{
-  friend struct Lookup;
-  friend struct PosLookup;
-
-  enum Type {
-    Single		= 1,
-    Pair		= 2,
-    Cursive		= 3,
-    MarkBase		= 4,
-    MarkLig		= 5,
-    MarkMark		= 6,
-    Context		= 7,
-    ChainContext	= 8,
-    Extension		= 9
-  };
-
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, unsigned int lookup_type, Ts&&... ds) const
-  {
-    TRACE_DISPATCH (this, lookup_type);
-    switch (lookup_type) {
-    case Single:		return_trace (u.single.dispatch (c, std::forward<Ts> (ds)...));
-    case Pair:			return_trace (u.pair.dispatch (c, std::forward<Ts> (ds)...));
-    case Cursive:		return_trace (u.cursive.dispatch (c, std::forward<Ts> (ds)...));
-    case MarkBase:		return_trace (u.markBase.dispatch (c, std::forward<Ts> (ds)...));
-    case MarkLig:		return_trace (u.markLig.dispatch (c, std::forward<Ts> (ds)...));
-    case MarkMark:		return_trace (u.markMark.dispatch (c, std::forward<Ts> (ds)...));
-    case Context:		return_trace (u.context.dispatch (c, std::forward<Ts> (ds)...));
-    case ChainContext:		return_trace (u.chainContext.dispatch (c, std::forward<Ts> (ds)...));
-    case Extension:		return_trace (u.extension.dispatch (c, std::forward<Ts> (ds)...));
-    default:			return_trace (c->default_return_value ());
-    }
-  }
-
-  bool intersects (const hb_set_t *glyphs, unsigned int lookup_type) const
-  {
-    hb_intersects_context_t c (glyphs);
-    return dispatch (&c, lookup_type);
-  }
-
-  protected:
-  union {
-  SinglePos		single;
-  PairPos		pair;
-  CursivePos		cursive;
-  MarkBasePos		markBase;
-  MarkLigPos		markLig;
-  MarkMarkPos		markMark;
-  ContextPos		context;
-  ChainContextPos	chainContext;
-  ExtensionPos		extension;
-  } u;
-  public:
-  DEFINE_SIZE_MIN (0);
-};
-
-
-struct PosLookup : Lookup
-{
-  typedef struct PosLookupSubTable SubTable;
-
-  const SubTable& get_subtable (unsigned int i) const
-  { return Lookup::get_subtable<SubTable> (i); }
-
-  bool is_reverse () const
-  {
-    return false;
-  }
-
-  bool apply (hb_ot_apply_context_t *c) const
-  {
-    TRACE_APPLY (this);
-    return_trace (dispatch (c));
-  }
-
-  bool intersects (const hb_set_t *glyphs) const
-  {
-    hb_intersects_context_t c (glyphs);
-    return dispatch (&c);
-  }
-
-  hb_collect_glyphs_context_t::return_t collect_glyphs (hb_collect_glyphs_context_t *c) const
-  { return dispatch (c); }
-
-  hb_closure_lookups_context_t::return_t closure_lookups (hb_closure_lookups_context_t *c, unsigned this_index) const
-  {
-    if (c->is_lookup_visited (this_index))
-      return hb_closure_lookups_context_t::default_return_value ();
-
-    c->set_lookup_visited (this_index);
-    if (!intersects (c->glyphs))
-    {
-      c->set_lookup_inactive (this_index);
-      return hb_closure_lookups_context_t::default_return_value ();
-    }
-    c->set_recurse_func (dispatch_closure_lookups_recurse_func);
-
-    hb_closure_lookups_context_t::return_t ret = dispatch (c);
-    return ret;
-  }
-
-  template <typename set_t>
-  void collect_coverage (set_t *glyphs) const
-  {
-    hb_collect_coverage_context_t<set_t> c (glyphs);
-    dispatch (&c);
-  }
-
-  static inline bool apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index);
-
-  template <typename context_t>
-  static typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index);
-
-  HB_INTERNAL static hb_closure_lookups_context_t::return_t dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned this_index);
-
-  template <typename context_t, typename ...Ts>
-  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
-  { return Lookup::dispatch<SubTable> (c, std::forward<Ts> (ds)...); }
-
-  bool subset (hb_subset_context_t *c) const
-  { return Lookup::subset<SubTable> (c); }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  { return Lookup::sanitize<SubTable> (c); }
-};
-
-/*
- * GPOS -- Glyph Positioning
- * https://docs.microsoft.com/en-us/typography/opentype/spec/gpos
- */
-
-struct GPOS : GSUBGPOS
-{
-  static constexpr hb_tag_t tableTag = HB_OT_TAG_GPOS;
-
-  const PosLookup& get_lookup (unsigned int i) const
-  { return static_cast<const PosLookup &> (GSUBGPOS::get_lookup (i)); }
-
-  static inline void position_start (hb_font_t *font, hb_buffer_t *buffer);
-  static inline void position_finish_advances (hb_font_t *font, hb_buffer_t *buffer);
-  static inline void position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer);
-
-  bool subset (hb_subset_context_t *c) const
-  {
-    hb_subset_layout_context_t l (c, tableTag, c->plan->gpos_lookups, c->plan->gpos_langsys, c->plan->gpos_features);
-    return GSUBGPOS::subset<PosLookup> (&l);
-  }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  { return GSUBGPOS::sanitize<PosLookup> (c); }
-
-  HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
-				   hb_face_t *face) const;
-
-  void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
-  {
-    for (unsigned i = 0; i < GSUBGPOS::get_lookup_count (); i++)
-    {
-      if (!c->gpos_lookups->has (i)) continue;
-      const PosLookup &l = get_lookup (i);
-      l.dispatch (c);
-    }
-  }
-
-  void closure_lookups (hb_face_t      *face,
-			const hb_set_t *glyphs,
-			hb_set_t       *lookup_indexes /* IN/OUT */) const
-  { GSUBGPOS::closure_lookups<PosLookup> (face, glyphs, lookup_indexes); }
-
-  typedef GSUBGPOS::accelerator_t<GPOS> accelerator_t;
-};
-
-
-static void
-reverse_cursive_minor_offset (hb_glyph_position_t *pos, unsigned int i, hb_direction_t direction, unsigned int new_parent)
-{
-  int chain = pos[i].attach_chain(), type = pos[i].attach_type();
-  if (likely (!chain || 0 == (type & ATTACH_TYPE_CURSIVE)))
-    return;
-
-  pos[i].attach_chain() = 0;
-
-  unsigned int j = (int) i + chain;
-
-  /* Stop if we see new parent in the chain. */
-  if (j == new_parent)
-    return;
-
-  reverse_cursive_minor_offset (pos, j, direction, new_parent);
-
-  if (HB_DIRECTION_IS_HORIZONTAL (direction))
-    pos[j].y_offset = -pos[i].y_offset;
-  else
-    pos[j].x_offset = -pos[i].x_offset;
-
-  pos[j].attach_chain() = -chain;
-  pos[j].attach_type() = type;
-}
-static void
-propagate_attachment_offsets (hb_glyph_position_t *pos,
-			      unsigned int len,
-			      unsigned int i,
-			      hb_direction_t direction)
-{
-  /* Adjusts offsets of attached glyphs (both cursive and mark) to accumulate
-   * offset of glyph they are attached to. */
-  int chain = pos[i].attach_chain(), type = pos[i].attach_type();
-  if (likely (!chain))
-    return;
-
-  pos[i].attach_chain() = 0;
-
-  unsigned int j = (int) i + chain;
-
-  if (unlikely (j >= len))
-    return;
-
-  propagate_attachment_offsets (pos, len, j, direction);
-
-  assert (!!(type & ATTACH_TYPE_MARK) ^ !!(type & ATTACH_TYPE_CURSIVE));
-
-  if (type & ATTACH_TYPE_CURSIVE)
-  {
-    if (HB_DIRECTION_IS_HORIZONTAL (direction))
-      pos[i].y_offset += pos[j].y_offset;
-    else
-      pos[i].x_offset += pos[j].x_offset;
-  }
-  else /*if (type & ATTACH_TYPE_MARK)*/
-  {
-    pos[i].x_offset += pos[j].x_offset;
-    pos[i].y_offset += pos[j].y_offset;
-
-    assert (j < i);
-    if (HB_DIRECTION_IS_FORWARD (direction))
-      for (unsigned int k = j; k < i; k++) {
-	pos[i].x_offset -= pos[k].x_advance;
-	pos[i].y_offset -= pos[k].y_advance;
-      }
-    else
-      for (unsigned int k = j + 1; k < i + 1; k++) {
-	pos[i].x_offset += pos[k].x_advance;
-	pos[i].y_offset += pos[k].y_advance;
-      }
-  }
-}
-
-void
-GPOS::position_start (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer)
-{
-  unsigned int count = buffer->len;
-  for (unsigned int i = 0; i < count; i++)
-    buffer->pos[i].attach_chain() = buffer->pos[i].attach_type() = 0;
-}
-
-void
-GPOS::position_finish_advances (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer HB_UNUSED)
-{
-  //_hb_buffer_assert_gsubgpos_vars (buffer);
-}
-
-void
-GPOS::position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
-{
-  _hb_buffer_assert_gsubgpos_vars (buffer);
-
-  unsigned int len;
-  hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, &len);
-  hb_direction_t direction = buffer->props.direction;
-
-  /* Handle attachments */
-  if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT)
-    for (unsigned i = 0; i < len; i++)
-      propagate_attachment_offsets (pos, len, i, direction);
-
-  if (unlikely (font->slant))
-  {
-    for (unsigned i = 0; i < len; i++)
-      if (unlikely (pos[i].y_offset))
-        pos[i].x_offset += _hb_roundf (font->slant_xy * pos[i].y_offset);
-  }
-}
-
-
-struct GPOS_accelerator_t : GPOS::accelerator_t {
-  GPOS_accelerator_t (hb_face_t *face) : GPOS::accelerator_t (face) {}
-};
-
-
+// TODO(garretrieger): Move into new layout directory.
 /* Out-of-class implementation for methods recursing */
-
 #ifndef HB_NO_OT_LAYOUT
 template <typename context_t>
 /*static*/ typename context_t::return_t PosLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index)
@@ -3121,13 +45,16 @@ template <typename context_t>
   return l.dispatch (c);
 }
 
-/*static*/ inline hb_closure_lookups_context_t::return_t PosLookup::dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned this_index)
+template <>
+inline hb_closure_lookups_context_t::return_t
+PosLookup::dispatch_recurse_func<hb_closure_lookups_context_t> (hb_closure_lookups_context_t *c, unsigned this_index)
 {
   const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (this_index);
   return l.closure_lookups (c, this_index);
 }
 
-/*static*/ bool PosLookup::apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index)
+template <>
+inline bool PosLookup::dispatch_recurse_func<hb_ot_apply_context_t> (hb_ot_apply_context_t *c, unsigned int lookup_index)
 {
   const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (lookup_index);
   unsigned int saved_lookup_props = c->lookup_props;
@@ -3141,7 +68,8 @@ template <typename context_t>
 }
 #endif
 
-
+} /* namespace GPOS_impl */
+} /* namespace Layout */
 } /* namespace OT */
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsub-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsub-table.hh
index bef381430b..50301ff1d9 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsub-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsub-table.hh
@@ -32,9 +32,8 @@
 #include "OT/Layout/GSUB/GSUB.hh"
 
 namespace OT {
-
-using Layout::GSUB::SubstLookup;
-using Layout::GSUB::ExtensionSubst;
+namespace Layout {
+namespace GSUB_impl {
 
 // TODO(garretrieger): Move into the new layout directory.
 /* Out-of-class implementation for methods recursing */
@@ -59,13 +58,16 @@ template <typename context_t>
   return l.dispatch (c);
 }
 
-/*static*/ inline hb_closure_lookups_context_t::return_t SubstLookup::dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned this_index)
+template <>
+inline hb_closure_lookups_context_t::return_t
+SubstLookup::dispatch_recurse_func<hb_closure_lookups_context_t> (hb_closure_lookups_context_t *c, unsigned this_index)
 {
   const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (this_index);
   return l.closure_lookups (c, this_index);
 }
 
-/*static*/ bool SubstLookup::apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index)
+template <>
+inline bool SubstLookup::dispatch_recurse_func<hb_ot_apply_context_t> (hb_ot_apply_context_t *c, unsigned int lookup_index)
 {
   const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index);
   unsigned int saved_lookup_props = c->lookup_props;
@@ -79,7 +81,8 @@ template <typename context_t>
 }
 #endif
 
-
+} /* namespace GSUB_impl */
+} /* namespace Layout */
 } /* namespace OT */
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsubgpos.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsubgpos.hh
index 56e8c5b006..04ccefd108 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsubgpos.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-gsubgpos.hh
@@ -100,8 +100,8 @@ struct hb_closure_context_t :
 
   bool is_lookup_done (unsigned int lookup_index)
   {
-    if (done_lookups_glyph_count->in_error () ||
-        done_lookups_glyph_set->in_error ())
+    if (unlikely (done_lookups_glyph_count->in_error () ||
+		  done_lookups_glyph_set->in_error ()))
       return true;
 
     /* Have we visited this lookup with the current set of glyphs? */
@@ -109,14 +109,10 @@ struct hb_closure_context_t :
     {
       done_lookups_glyph_count->set (lookup_index, glyphs->get_population ());
 
-      if (!done_lookups_glyph_set->get (lookup_index))
+      if (!done_lookups_glyph_set->has (lookup_index))
       {
-	hb_set_t* empty_set = hb_set_create ();
-	if (unlikely (!done_lookups_glyph_set->set (lookup_index, empty_set)))
-	{
-	  hb_set_destroy (empty_set);
+	if (unlikely (!done_lookups_glyph_set->set (lookup_index, hb::unique_ptr<hb_set_t> {hb_set_create ()})))
 	  return true;
-	}
       }
 
       hb_set_clear (done_lookups_glyph_set->get (lookup_index));
@@ -154,7 +150,7 @@ struct hb_closure_context_t :
 
   bool pop_cur_done_glyphs ()
   {
-    if (active_glyphs_stack.length < 1)
+    if (!active_glyphs_stack)
       return false;
 
     active_glyphs_stack.pop ();
@@ -165,21 +161,19 @@ struct hb_closure_context_t :
   hb_set_t *glyphs;
   hb_set_t output[1];
   hb_vector_t<hb_set_t> active_glyphs_stack;
-  recurse_func_t recurse_func;
+  recurse_func_t recurse_func = nullptr;
   unsigned int nesting_level_left;
 
   hb_closure_context_t (hb_face_t *face_,
 			hb_set_t *glyphs_,
 			hb_map_t *done_lookups_glyph_count_,
-			hb_hashmap_t<unsigned, hb_set_t *> *done_lookups_glyph_set_,
+			hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *done_lookups_glyph_set_,
 			unsigned int nesting_level_left_ = HB_MAX_NESTING_LEVEL) :
 			  face (face_),
 			  glyphs (glyphs_),
-			  recurse_func (nullptr),
 			  nesting_level_left (nesting_level_left_),
 			  done_lookups_glyph_count (done_lookups_glyph_count_),
-			  done_lookups_glyph_set (done_lookups_glyph_set_),
-			  lookup_count (0)
+			  done_lookups_glyph_set (done_lookups_glyph_set_)
   {}
 
   ~hb_closure_context_t () { flush (); }
@@ -197,8 +191,8 @@ struct hb_closure_context_t :
 
   private:
   hb_map_t *done_lookups_glyph_count;
-  hb_hashmap_t<unsigned, hb_set_t *> *done_lookups_glyph_set;
-  unsigned int lookup_count;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *done_lookups_glyph_set;
+  unsigned int lookup_count = 0;
 };
 
 
@@ -400,7 +394,6 @@ struct hb_collect_coverage_context_t :
   set_t *set;
 };
 
-
 struct hb_ot_apply_context_t :
        hb_dispatch_context_t<hb_ot_apply_context_t, bool, HB_DEBUG_APPLY>
 {
@@ -416,7 +409,7 @@ struct hb_ot_apply_context_t :
 	     match_func (nullptr),
 	     match_data (nullptr) {}
 
-    typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data);
+    typedef bool (*match_func_t) (hb_glyph_info_t &info, unsigned value, const void *data);
 
     void set_ignore_zwnj (bool ignore_zwnj_) { ignore_zwnj = ignore_zwnj_; }
     void set_ignore_zwj (bool ignore_zwj_) { ignore_zwj = ignore_zwj_; }
@@ -434,15 +427,15 @@ struct hb_ot_apply_context_t :
       MATCH_MAYBE
     };
 
-    may_match_t may_match (const hb_glyph_info_t &info,
-			   const HBUINT16        *glyph_data) const
+    may_match_t may_match (hb_glyph_info_t &info,
+			   hb_codepoint_t glyph_data) const
     {
       if (!(info.mask & mask) ||
 	  (syllable && syllable != info.syllable ()))
 	return MATCH_NO;
 
       if (match_func)
-	return match_func (info.codepoint, *glyph_data, match_data) ? MATCH_YES : MATCH_NO;
+	return match_func (info, glyph_data, match_data) ? MATCH_YES : MATCH_NO;
 
       return MATCH_MAYBE;
     }
@@ -483,7 +476,10 @@ struct hb_ot_apply_context_t :
     void init (hb_ot_apply_context_t *c_, bool context_match = false)
     {
       c = c_;
-      match_glyph_data = nullptr;
+      match_glyph_data16 = nullptr;
+#ifndef HB_NO_BEYOND_64K
+      match_glyph_data24 = nullptr;
+#endif
       matcher.set_match_func (nullptr, nullptr);
       matcher.set_lookup_props (c->lookup_props);
       /* Ignore ZWNJ if we are matching GPOS, or matching GSUB context and asked to. */
@@ -498,12 +494,24 @@ struct hb_ot_apply_context_t :
       matcher.set_lookup_props (lookup_props);
     }
     void set_match_func (matcher_t::match_func_t match_func_,
-			 const void *match_data_,
-			 const HBUINT16 glyph_data[])
+			 const void *match_data_)
     {
       matcher.set_match_func (match_func_, match_data_);
-      match_glyph_data = glyph_data;
     }
+    void set_glyph_data (const HBUINT16 glyph_data[])
+    {
+      match_glyph_data16 = glyph_data;
+#ifndef HB_NO_BEYOND_64K
+      match_glyph_data24 = nullptr;
+#endif
+    }
+#ifndef HB_NO_BEYOND_64K
+    void set_glyph_data (const HBUINT24 glyph_data[])
+    {
+      match_glyph_data16 = nullptr;
+      match_glyph_data24 = glyph_data;
+    }
+#endif
 
     void reset (unsigned int start_index_,
 		unsigned int num_items_)
@@ -517,7 +525,7 @@ struct hb_ot_apply_context_t :
     void reject ()
     {
       num_items++;
-      if (match_glyph_data) match_glyph_data--;
+      backup_glyph_data ();
     }
 
     matcher_t::may_skip_t
@@ -527,22 +535,27 @@ struct hb_ot_apply_context_t :
     bool next (unsigned *unsafe_to = nullptr)
     {
       assert (num_items > 0);
-      while (idx + num_items < end)
+      /* The alternate condition below is faster at string boundaries,
+       * but produces subpar "unsafe-to-concat" values. */
+      signed stop = (signed) end - (signed) num_items;
+      if (c->buffer->flags & HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT)
+        stop = (signed) end - 1;
+      while ((signed) idx < stop)
       {
 	idx++;
-	const hb_glyph_info_t &info = c->buffer->info[idx];
+	hb_glyph_info_t &info = c->buffer->info[idx];
 
 	matcher_t::may_skip_t skip = matcher.may_skip (c, info);
 	if (unlikely (skip == matcher_t::SKIP_YES))
 	  continue;
 
-	matcher_t::may_match_t match = matcher.may_match (info, match_glyph_data);
+	matcher_t::may_match_t match = matcher.may_match (info, get_glyph_data ());
 	if (match == matcher_t::MATCH_YES ||
 	    (match == matcher_t::MATCH_MAYBE &&
 	     skip == matcher_t::SKIP_NO))
 	{
 	  num_items--;
-	  if (match_glyph_data) match_glyph_data++;
+	  advance_glyph_data ();
 	  return true;
 	}
 
@@ -560,22 +573,27 @@ struct hb_ot_apply_context_t :
     bool prev (unsigned *unsafe_from = nullptr)
     {
       assert (num_items > 0);
-      while (idx > num_items - 1)
+      /* The alternate condition below is faster at string boundaries,
+       * but produces subpar "unsafe-to-concat" values. */
+      unsigned stop = num_items - 1;
+      if (c->buffer->flags & HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT)
+        stop = 1 - 1;
+      while (idx > stop)
       {
 	idx--;
-	const hb_glyph_info_t &info = c->buffer->out_info[idx];
+	hb_glyph_info_t &info = c->buffer->out_info[idx];
 
 	matcher_t::may_skip_t skip = matcher.may_skip (c, info);
 	if (unlikely (skip == matcher_t::SKIP_YES))
 	  continue;
 
-	matcher_t::may_match_t match = matcher.may_match (info, match_glyph_data);
+	matcher_t::may_match_t match = matcher.may_match (info, get_glyph_data ());
 	if (match == matcher_t::MATCH_YES ||
 	    (match == matcher_t::MATCH_MAYBE &&
 	     skip == matcher_t::SKIP_NO))
 	{
 	  num_items--;
-	  if (match_glyph_data) match_glyph_data++;
+	  advance_glyph_data ();
 	  return true;
 	}
 
@@ -591,11 +609,43 @@ struct hb_ot_apply_context_t :
       return false;
     }
 
+    hb_codepoint_t
+    get_glyph_data ()
+    {
+      if (match_glyph_data16) return *match_glyph_data16;
+#ifndef HB_NO_BEYOND_64K
+      else
+      if (match_glyph_data24) return *match_glyph_data24;
+#endif
+      return 0;
+    }
+    void
+    advance_glyph_data ()
+    {
+      if (match_glyph_data16) match_glyph_data16++;
+#ifndef HB_NO_BEYOND_64K
+      else
+      if (match_glyph_data24) match_glyph_data24++;
+#endif
+    }
+    void
+    backup_glyph_data ()
+    {
+      if (match_glyph_data16) match_glyph_data16--;
+#ifndef HB_NO_BEYOND_64K
+      else
+      if (match_glyph_data24) match_glyph_data24--;
+#endif
+    }
+
     unsigned int idx;
     protected:
     hb_ot_apply_context_t *c;
     matcher_t matcher;
-    const HBUINT16 *match_glyph_data;
+    const HBUINT16 *match_glyph_data16;
+#ifndef HB_NO_BEYOND_64K
+    const HBUINT24 *match_glyph_data24;
+#endif
 
     unsigned int num_items;
     unsigned int end;
@@ -611,7 +661,10 @@ struct hb_ot_apply_context_t :
   return_t recurse (unsigned int sub_lookup_index)
   {
     if (unlikely (nesting_level_left == 0 || !recurse_func || buffer->max_ops-- <= 0))
+    {
+      buffer->shaping_failed = true;
       return default_return_value ();
+    }
 
     nesting_level_left--;
     bool ret = recurse_func (this, sub_lookup_index);
@@ -621,35 +674,35 @@ struct hb_ot_apply_context_t :
 
   skipping_iterator_t iter_input, iter_context;
 
+  unsigned int table_index; /* GSUB/GPOS */
   hb_font_t *font;
   hb_face_t *face;
   hb_buffer_t *buffer;
-  recurse_func_t recurse_func;
+  recurse_func_t recurse_func = nullptr;
   const GDEF &gdef;
   const VariationStore &var_store;
+  VariationStore::cache_t *var_store_cache;
+  hb_set_digest_t digest;
 
   hb_direction_t direction;
-  hb_mask_t lookup_mask;
-  unsigned int table_index; /* GSUB/GPOS */
-  unsigned int lookup_index;
-  unsigned int lookup_props;
-  unsigned int nesting_level_left;
+  hb_mask_t lookup_mask = 1;
+  unsigned int lookup_index = (unsigned) -1;
+  unsigned int lookup_props = 0;
+  unsigned int nesting_level_left = HB_MAX_NESTING_LEVEL;
 
   bool has_glyph_classes;
-  bool auto_zwnj;
-  bool auto_zwj;
-  bool per_syllable;
-  bool random;
-
-  uint32_t random_state;
-
+  bool auto_zwnj = true;
+  bool auto_zwj = true;
+  bool per_syllable = false;
+  bool random = false;
+  uint32_t random_state = 1;
+  unsigned new_syllables = (unsigned) -1;
 
   hb_ot_apply_context_t (unsigned int table_index_,
 			 hb_font_t *font_,
 			 hb_buffer_t *buffer_) :
-			iter_input (), iter_context (),
+			table_index (table_index_),
 			font (font_), face (font->face), buffer (buffer_),
-			recurse_func (nullptr),
 			gdef (
 #ifndef HB_NO_OT_LAYOUT
 			      *face->table.GDEF->table
@@ -658,18 +711,24 @@ struct hb_ot_apply_context_t :
 #endif
 			     ),
 			var_store (gdef.get_var_store ()),
+			var_store_cache (
+#ifndef HB_NO_VAR
+					 table_index == 1 && font->num_coords ? var_store.create_cache () : nullptr
+#else
+					 nullptr
+#endif
+					),
+			digest (buffer_->digest ()),
 			direction (buffer_->props.direction),
-			lookup_mask (1),
-			table_index (table_index_),
-			lookup_index ((unsigned int) -1),
-			lookup_props (0),
-			nesting_level_left (HB_MAX_NESTING_LEVEL),
-			has_glyph_classes (gdef.has_glyph_classes ()),
-			auto_zwnj (true),
-			auto_zwj (true),
-			per_syllable (false),
-			random (false),
-			random_state (1) { init_iters (); }
+			has_glyph_classes (gdef.has_glyph_classes ())
+  { init_iters (); }
+
+  ~hb_ot_apply_context_t ()
+  {
+#ifndef HB_NO_VAR
+    VariationStore::destroy_cache (var_store_cache);
+#endif
+  }
 
   void init_iters ()
   {
@@ -734,8 +793,13 @@ struct hb_ot_apply_context_t :
   void _set_glyph_class (hb_codepoint_t glyph_index,
 			  unsigned int class_guess = 0,
 			  bool ligature = false,
-			  bool component = false) const
+			  bool component = false)
   {
+    digest.add (glyph_index);
+
+    if (new_syllables != (unsigned) -1)
+      buffer->cur().syllable() = new_syllables;
+
     unsigned int props = _hb_glyph_info_get_glyph_props (&buffer->cur());
     props |= HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED;
     if (ligature)
@@ -765,24 +829,24 @@ struct hb_ot_apply_context_t :
       _hb_glyph_info_set_glyph_props (&buffer->cur(), props);
   }
 
-  void replace_glyph (hb_codepoint_t glyph_index) const
+  void replace_glyph (hb_codepoint_t glyph_index)
   {
     _set_glyph_class (glyph_index);
     (void) buffer->replace_glyph (glyph_index);
   }
-  void replace_glyph_inplace (hb_codepoint_t glyph_index) const
+  void replace_glyph_inplace (hb_codepoint_t glyph_index)
   {
     _set_glyph_class (glyph_index);
     buffer->cur().codepoint = glyph_index;
   }
   void replace_glyph_with_ligature (hb_codepoint_t glyph_index,
-				    unsigned int class_guess) const
+				    unsigned int class_guess)
   {
     _set_glyph_class (glyph_index, class_guess, true);
     (void) buffer->replace_glyph (glyph_index);
   }
   void output_glyph_for_component (hb_codepoint_t glyph_index,
-				   unsigned int class_guess) const
+				   unsigned int class_guess)
   {
     _set_glyph_class (glyph_index, class_guess, false, true);
     (void) buffer->output_glyph (glyph_index);
@@ -790,65 +854,158 @@ struct hb_ot_apply_context_t :
 };
 
 
-struct hb_get_subtables_context_t :
-       hb_dispatch_context_t<hb_get_subtables_context_t>
+struct hb_accelerate_subtables_context_t :
+       hb_dispatch_context_t<hb_accelerate_subtables_context_t>
 {
   template <typename Type>
-  static inline bool apply_to (const void *obj, OT::hb_ot_apply_context_t *c)
+  static inline bool apply_to (const void *obj, hb_ot_apply_context_t *c)
   {
     const Type *typed_obj = (const Type *) obj;
     return typed_obj->apply (c);
   }
 
-  typedef bool (*hb_apply_func_t) (const void *obj, OT::hb_ot_apply_context_t *c);
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+  template <typename T>
+  static inline auto apply_cached_ (const T *obj, hb_ot_apply_context_t *c, hb_priority<1>) HB_RETURN (bool, obj->apply (c, true) )
+  template <typename T>
+  static inline auto apply_cached_ (const T *obj, hb_ot_apply_context_t *c, hb_priority<0>) HB_RETURN (bool, obj->apply (c) )
+  template <typename Type>
+  static inline bool apply_cached_to (const void *obj, hb_ot_apply_context_t *c)
+  {
+    const Type *typed_obj = (const Type *) obj;
+    return apply_cached_ (typed_obj, c, hb_prioritize);
+  }
+
+  template <typename T>
+  static inline auto cache_func_ (const T *obj, hb_ot_apply_context_t *c, bool enter, hb_priority<1>) HB_RETURN (bool, obj->cache_func (c, enter) )
+  template <typename T>
+  static inline bool cache_func_ (const T *obj, hb_ot_apply_context_t *c, bool enter, hb_priority<0>) { return false; }
+  template <typename Type>
+  static inline bool cache_func_to (const void *obj, hb_ot_apply_context_t *c, bool enter)
+  {
+    const Type *typed_obj = (const Type *) obj;
+    return cache_func_ (typed_obj, c, enter, hb_prioritize);
+  }
+#endif
+
+  typedef bool (*hb_apply_func_t) (const void *obj, hb_ot_apply_context_t *c);
+  typedef bool (*hb_cache_func_t) (const void *obj, hb_ot_apply_context_t *c, bool enter);
 
   struct hb_applicable_t
   {
+    friend struct hb_accelerate_subtables_context_t;
+    friend struct hb_ot_layout_lookup_accelerator_t;
+
     template <typename T>
-    void init (const T &obj_, hb_apply_func_t apply_func_)
+    void init (const T &obj_,
+	       hb_apply_func_t apply_func_
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+	       , hb_apply_func_t apply_cached_func_
+	       , hb_cache_func_t cache_func_
+#endif
+		)
     {
       obj = &obj_;
       apply_func = apply_func_;
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+      apply_cached_func = apply_cached_func_;
+      cache_func = cache_func_;
+#endif
       digest.init ();
       obj_.get_coverage ().collect_coverage (&digest);
     }
 
-    bool apply (OT::hb_ot_apply_context_t *c) const
+    bool apply (hb_ot_apply_context_t *c) const
     {
       return digest.may_have (c->buffer->cur().codepoint) && apply_func (obj, c);
     }
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    bool apply_cached (hb_ot_apply_context_t *c) const
+    {
+      return digest.may_have (c->buffer->cur().codepoint) &&  apply_cached_func (obj, c);
+    }
+    bool cache_enter (hb_ot_apply_context_t *c) const
+    {
+      return cache_func (obj, c, true);
+    }
+    void cache_leave (hb_ot_apply_context_t *c) const
+    {
+      cache_func (obj, c, false);
+    }
+#endif
 
     private:
     const void *obj;
     hb_apply_func_t apply_func;
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    hb_apply_func_t apply_cached_func;
+    hb_cache_func_t cache_func;
+#endif
     hb_set_digest_t digest;
   };
 
   typedef hb_vector_t<hb_applicable_t> array_t;
 
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+  template <typename T>
+  auto cache_cost (const T &obj, hb_priority<1>) HB_AUTO_RETURN ( obj.cache_cost () )
+  template <typename T>
+  auto cache_cost (const T &obj, hb_priority<0>) HB_AUTO_RETURN ( 0u )
+#endif
+
   /* Dispatch interface. */
   template <typename T>
   return_t dispatch (const T &obj)
   {
-    hb_applicable_t *entry = array.push();
-    entry->init (obj, apply_to<T>);
+    hb_applicable_t entry;
+
+    entry.init (obj,
+		apply_to<T>
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+		, apply_cached_to<T>
+		, cache_func_to<T>
+#endif
+		);
+
+    array.push (entry);
+
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    /* Cache handling
+     *
+     * We allow one subtable from each lookup to use a cache. The assumption
+     * being that multiple subtables of the same lookup cannot use a cache
+     * because the resources they would use will collide.  As such, we ask
+     * each subtable to tell us how much it costs (which a cache would avoid),
+     * and we allocate the cache opportunity to the costliest subtable.
+     */
+    unsigned cost = cache_cost (obj, hb_prioritize);
+    if (cost > cache_user_cost && !array.in_error ())
+    {
+      cache_user_idx = array.length - 1;
+      cache_user_cost = cost;
+    }
+#endif
+
     return hb_empty_t ();
   }
   static return_t default_return_value () { return hb_empty_t (); }
 
-  hb_get_subtables_context_t (array_t &array_) :
-			      array (array_) {}
+  hb_accelerate_subtables_context_t (array_t &array_) :
+				     array (array_) {}
 
   array_t &array;
-};
-
 
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+  unsigned cache_user_idx = (unsigned) -1;
+  unsigned cache_user_cost = 0;
+#endif
+};
 
 
-typedef bool (*intersects_func_t) (const hb_set_t *glyphs, const HBUINT16 &value, const void *data);
-typedef void (*intersected_glyphs_func_t) (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs);
-typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, const HBUINT16 &value, const void *data);
-typedef bool (*match_func_t) (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data);
+typedef bool (*intersects_func_t) (const hb_set_t *glyphs, unsigned value, const void *data, void *cache);
+typedef void (*intersected_glyphs_func_t) (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs, void *cache);
+typedef void (*collect_glyphs_func_t) (hb_set_t *glyphs, unsigned value, const void *data);
+typedef bool (*match_func_t) (hb_glyph_info_t &info, unsigned value, const void *data);
 
 struct ContextClosureFuncs
 {
@@ -863,100 +1020,150 @@ struct ContextApplyFuncs
 {
   match_func_t match;
 };
+struct ChainContextApplyFuncs
+{
+  match_func_t match[3];
+};
 
 
-static inline bool intersects_glyph (const hb_set_t *glyphs, const HBUINT16 &value, const void *data HB_UNUSED)
+static inline bool intersects_glyph (const hb_set_t *glyphs, unsigned value, const void *data HB_UNUSED, void *cache HB_UNUSED)
 {
   return glyphs->has (value);
 }
-static inline bool intersects_class (const hb_set_t *glyphs, const HBUINT16 &value, const void *data)
+static inline bool intersects_class (const hb_set_t *glyphs, unsigned value, const void *data, void *cache)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
-  return class_def.intersects_class (glyphs, value);
+  hb_map_t *map = (hb_map_t *) cache;
+
+  hb_codepoint_t *cached_v;
+  if (map->has (value, &cached_v))
+    return *cached_v;
+
+  bool v = class_def.intersects_class (glyphs, value);
+  map->set (value, v);
+
+  return v;
 }
-static inline bool intersects_coverage (const hb_set_t *glyphs, const HBUINT16 &value, const void *data)
+static inline bool intersects_coverage (const hb_set_t *glyphs, unsigned value, const void *data, void *cache HB_UNUSED)
 {
-  const Offset16To<Coverage> &coverage = (const Offset16To<Coverage>&)value;
+  Offset16To<Coverage> coverage;
+  coverage = value;
   return (data+coverage).intersects (glyphs);
 }
 
 
-static inline void intersected_glyph (const hb_set_t *glyphs HB_UNUSED, const void *data, unsigned value, hb_set_t *intersected_glyphs)
+static inline void intersected_glyph (const hb_set_t *glyphs HB_UNUSED, const void *data, unsigned value, hb_set_t *intersected_glyphs, HB_UNUSED void *cache)
 {
   unsigned g = reinterpret_cast<const HBUINT16 *>(data)[value];
   intersected_glyphs->add (g);
 }
-static inline void intersected_class_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs)
+
+using intersected_class_cache_t = hb_hashmap_t<unsigned, hb_set_t>;
+
+static inline void intersected_class_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs, void *cache)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
-  class_def.intersected_class_glyphs (glyphs, value, intersected_glyphs);
+
+  intersected_class_cache_t *map = (intersected_class_cache_t *) cache;
+
+  hb_set_t *cached_v;
+  if (map->has (value, &cached_v))
+  {
+    intersected_glyphs->union_ (*cached_v);
+    return;
+  }
+
+  hb_set_t v;
+  class_def.intersected_class_glyphs (glyphs, value, &v);
+
+  intersected_glyphs->union_ (v);
+
+  map->set (value, std::move (v));
 }
-static inline void intersected_coverage_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs)
+
+static inline void intersected_coverage_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs, HB_UNUSED void *cache)
 {
   Offset16To<Coverage> coverage;
   coverage = value;
-  (data+coverage).intersected_coverage_glyphs (glyphs, intersected_glyphs);
+  (data+coverage).intersect_set (*glyphs, *intersected_glyphs);
 }
 
 
+template <typename HBUINT>
 static inline bool array_is_subset_of (const hb_set_t *glyphs,
 				       unsigned int count,
-				       const HBUINT16 values[],
+				       const HBUINT values[],
 				       intersects_func_t intersects_func,
-				       const void *intersects_data)
+				       const void *intersects_data,
+				       void *cache)
 {
-  for (const HBUINT16 &_ : + hb_iter (values, count))
-    if (!intersects_func (glyphs, _, intersects_data)) return false;
+  for (const auto &_ : + hb_iter (values, count))
+    if (!intersects_func (glyphs, _, intersects_data, cache)) return false;
   return true;
 }
 
 
-static inline void collect_glyph (hb_set_t *glyphs, const HBUINT16 &value, const void *data HB_UNUSED)
+static inline void collect_glyph (hb_set_t *glyphs, unsigned value, const void *data HB_UNUSED)
 {
   glyphs->add (value);
 }
-static inline void collect_class (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
+static inline void collect_class (hb_set_t *glyphs, unsigned value, const void *data)
 {
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
   class_def.collect_class (glyphs, value);
 }
-static inline void collect_coverage (hb_set_t *glyphs, const HBUINT16 &value, const void *data)
+static inline void collect_coverage (hb_set_t *glyphs, unsigned value, const void *data)
 {
-  const Offset16To<Coverage> &coverage = (const Offset16To<Coverage>&)value;
+  Offset16To<Coverage> coverage;
+  coverage = value;
   (data+coverage).collect_coverage (glyphs);
 }
+template <typename HBUINT>
 static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED,
 				  hb_set_t *glyphs,
 				  unsigned int count,
-				  const HBUINT16 values[],
+				  const HBUINT values[],
 				  collect_glyphs_func_t collect_func,
 				  const void *collect_data)
 {
   return
   + hb_iter (values, count)
-  | hb_apply ([&] (const HBUINT16 &_) { collect_func (glyphs, _, collect_data); })
+  | hb_apply ([&] (const HBUINT &_) { collect_func (glyphs, _, collect_data); })
   ;
 }
 
 
-static inline bool match_glyph (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data HB_UNUSED)
+static inline bool match_glyph (hb_glyph_info_t &info, unsigned value, const void *data HB_UNUSED)
+{
+  return info.codepoint == value;
+}
+static inline bool match_class (hb_glyph_info_t &info, unsigned value, const void *data)
 {
-  return glyph_id == value;
+  const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
+  return class_def.get_class (info.codepoint) == value;
 }
-static inline bool match_class (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data)
+static inline bool match_class_cached (hb_glyph_info_t &info, unsigned value, const void *data)
 {
+  unsigned klass = info.syllable();
+  if (klass < 255)
+    return klass == value;
   const ClassDef &class_def = *reinterpret_cast<const ClassDef *>(data);
-  return class_def.get_class (glyph_id) == value;
+  klass = class_def.get_class (info.codepoint);
+  if (likely (klass < 255))
+    info.syllable() = klass;
+  return klass == value;
 }
-static inline bool match_coverage (hb_codepoint_t glyph_id, const HBUINT16 &value, const void *data)
+static inline bool match_coverage (hb_glyph_info_t &info, unsigned value, const void *data)
 {
-  const Offset16To<Coverage> &coverage = (const Offset16To<Coverage>&)value;
-  return (data+coverage).get_coverage (glyph_id) != NOT_COVERED;
+  Offset16To<Coverage> coverage;
+  coverage = value;
+  return (data+coverage).get_coverage (info.codepoint) != NOT_COVERED;
 }
 
+template <typename HBUINT>
 static inline bool would_match_input (hb_would_apply_context_t *c,
 				      unsigned int count, /* Including the first glyph (not matched) */
-				      const HBUINT16 input[], /* Array of input values--start with second glyph */
+				      const HBUINT input[], /* Array of input values--start with second glyph */
 				      match_func_t match_func,
 				      const void *match_data)
 {
@@ -964,14 +1171,19 @@ static inline bool would_match_input (hb_would_apply_context_t *c,
     return false;
 
   for (unsigned int i = 1; i < count; i++)
-    if (likely (!match_func (c->glyphs[i], input[i - 1], match_data)))
+  {
+    hb_glyph_info_t info;
+    info.codepoint = c->glyphs[i];
+    if (likely (!match_func (info, input[i - 1], match_data)))
       return false;
+  }
 
   return true;
 }
+template <typename HBUINT>
 static inline bool match_input (hb_ot_apply_context_t *c,
 				unsigned int count, /* Including the first glyph (not matched) */
-				const HBUINT16 input[], /* Array of input values--start with second glyph */
+				const HBUINT input[], /* Array of input values--start with second glyph */
 				match_func_t match_func,
 				const void *match_data,
 				unsigned int *end_position,
@@ -986,7 +1198,8 @@ static inline bool match_input (hb_ot_apply_context_t *c,
 
   hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;
   skippy_iter.reset (buffer->idx, count - 1);
-  skippy_iter.set_match_func (match_func, match_data, input);
+  skippy_iter.set_match_func (match_func, match_data);
+  skippy_iter.set_glyph_data (input);
 
   /*
    * This is perhaps the trickiest part of OpenType...  Remarks:
@@ -1207,9 +1420,10 @@ static inline bool ligate_input (hb_ot_apply_context_t *c,
   return_trace (true);
 }
 
+template <typename HBUINT>
 static inline bool match_backtrack (hb_ot_apply_context_t *c,
 				    unsigned int count,
-				    const HBUINT16 backtrack[],
+				    const HBUINT backtrack[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int *match_start)
@@ -1218,7 +1432,8 @@ static inline bool match_backtrack (hb_ot_apply_context_t *c,
 
   hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (c->buffer->backtrack_len (), count);
-  skippy_iter.set_match_func (match_func, match_data, backtrack);
+  skippy_iter.set_match_func (match_func, match_data);
+  skippy_iter.set_glyph_data (backtrack);
 
   for (unsigned int i = 0; i < count; i++)
   {
@@ -1234,9 +1449,10 @@ static inline bool match_backtrack (hb_ot_apply_context_t *c,
   return_trace (true);
 }
 
+template <typename HBUINT>
 static inline bool match_lookahead (hb_ot_apply_context_t *c,
 				    unsigned int count,
-				    const HBUINT16 lookahead[],
+				    const HBUINT lookahead[],
 				    match_func_t match_func,
 				    const void *match_data,
 				    unsigned int start_index,
@@ -1246,7 +1462,8 @@ static inline bool match_lookahead (hb_ot_apply_context_t *c,
 
   hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;
   skippy_iter.reset (start_index - 1, count);
-  skippy_iter.set_match_func (match_func, match_data, lookahead);
+  skippy_iter.set_match_func (match_func, match_data);
+  skippy_iter.set_glyph_data (lookahead);
 
   for (unsigned int i = 0; i < count; i++)
   {
@@ -1310,14 +1527,16 @@ static unsigned serialize_lookuprecord_array (hb_serialize_context_t *c,
 
 enum ContextFormat { SimpleContext = 1, ClassBasedContext = 2, CoverageBasedContext = 3 };
 
+template <typename HBUINT>
 static void context_closure_recurse_lookups (hb_closure_context_t *c,
-					     unsigned inputCount, const HBUINT16 input[],
+					     unsigned inputCount, const HBUINT input[],
 					     unsigned lookupCount,
 					     const LookupRecord lookupRecord[] /* Array of LookupRecords--in design order */,
 					     unsigned value,
 					     ContextFormat context_format,
 					     const void *data,
-					     intersected_glyphs_func_t intersected_glyphs_func)
+					     intersected_glyphs_func_t intersected_glyphs_func,
+					     void *cache)
 {
   hb_set_t *covered_seq_indicies = hb_set_create ();
   for (unsigned int i = 0; i < lookupCount; i++)
@@ -1328,7 +1547,7 @@ static void context_closure_recurse_lookups (hb_closure_context_t *c,
     bool has_pos_glyphs = false;
     hb_set_t pos_glyphs;
 
-    if (hb_set_is_empty (covered_seq_indicies) || !hb_set_has (covered_seq_indicies, seqIndex))
+    if (!hb_set_has (covered_seq_indicies, seqIndex))
     {
       has_pos_glyphs = true;
       if (seqIndex == 0)
@@ -1338,7 +1557,7 @@ static void context_closure_recurse_lookups (hb_closure_context_t *c,
           pos_glyphs.add (value);
           break;
         case ContextFormat::ClassBasedContext:
-          intersected_glyphs_func (&c->parent_active_glyphs (), data, value, &pos_glyphs);
+          intersected_glyphs_func (&c->parent_active_glyphs (), data, value, &pos_glyphs, cache);
           break;
         case ContextFormat::CoverageBasedContext:
           pos_glyphs.set (c->parent_active_glyphs ());
@@ -1355,13 +1574,13 @@ static void context_closure_recurse_lookups (hb_closure_context_t *c,
           input_value = input[seqIndex - 1];
         }
 
-        intersected_glyphs_func (c->glyphs, input_data, input_value, &pos_glyphs);
+        intersected_glyphs_func (c->glyphs, input_data, input_value, &pos_glyphs, cache);
       }
     }
 
     covered_seq_indicies->add (seqIndex);
     if (has_pos_glyphs) {
-      c->push_cur_active_glyphs () = pos_glyphs;
+      c->push_cur_active_glyphs () = std::move (pos_glyphs);
     } else {
       c->push_cur_active_glyphs ().set (*c->glyphs);
     }
@@ -1427,9 +1646,28 @@ static inline void apply_lookup (hb_ot_apply_context_t *c,
     if (unlikely (buffer->max_ops <= 0))
       break;
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      if (buffer->have_output)
+        c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "recursing to lookup %u at %d",
+			  (unsigned) lookupRecord[i].lookupListIndex,
+			  buffer->idx);
+    }
+
     if (!c->recurse (lookupRecord[i].lookupListIndex))
       continue;
 
+    if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
+    {
+      if (buffer->have_output)
+        c->buffer->sync_so_far ();
+      c->buffer->message (c->font,
+			  "recursed to lookup %u",
+			  (unsigned) lookupRecord[i].lookupListIndex);
+    }
+
     unsigned int new_len = buffer->backtrack_len () + buffer->lookahead_len ();
     int delta = new_len - orig_len;
 
@@ -1516,6 +1754,8 @@ struct ContextClosureLookupContext
   ContextClosureFuncs funcs;
   ContextFormat context_format;
   const void *intersects_data;
+  void *intersects_cache;
+  void *intersected_glyphs_cache;
 };
 
 struct ContextCollectGlyphsLookupContext
@@ -1530,19 +1770,23 @@ struct ContextApplyLookupContext
   const void *match_data;
 };
 
+template <typename HBUINT>
 static inline bool context_intersects (const hb_set_t *glyphs,
 				       unsigned int inputCount, /* Including the first glyph (not matched) */
-				       const HBUINT16 input[], /* Array of input values--start with second glyph */
+				       const HBUINT input[], /* Array of input values--start with second glyph */
 				       ContextClosureLookupContext &lookup_context)
 {
   return array_is_subset_of (glyphs,
 			     inputCount ? inputCount - 1 : 0, input,
-			     lookup_context.funcs.intersects, lookup_context.intersects_data);
+			     lookup_context.funcs.intersects,
+			     lookup_context.intersects_data,
+			     lookup_context.intersects_cache);
 }
 
+template <typename HBUINT>
 static inline void context_closure_lookup (hb_closure_context_t *c,
 					   unsigned int inputCount, /* Including the first glyph (not matched) */
-					   const HBUINT16 input[], /* Array of input values--start with second glyph */
+					   const HBUINT input[], /* Array of input values--start with second glyph */
 					   unsigned int lookupCount,
 					   const LookupRecord lookupRecord[],
 					   unsigned value, /* Index of first glyph in Coverage or Class value in ClassDef table */
@@ -1557,12 +1801,14 @@ static inline void context_closure_lookup (hb_closure_context_t *c,
 				     value,
 				     lookup_context.context_format,
 				     lookup_context.intersects_data,
-				     lookup_context.funcs.intersected_glyphs);
+				     lookup_context.funcs.intersected_glyphs,
+				     lookup_context.intersected_glyphs_cache);
 }
 
+template <typename HBUINT>
 static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 						  unsigned int inputCount, /* Including the first glyph (not matched) */
-						  const HBUINT16 input[], /* Array of input values--start with second glyph */
+						  const HBUINT input[], /* Array of input values--start with second glyph */
 						  unsigned int lookupCount,
 						  const LookupRecord lookupRecord[],
 						  ContextCollectGlyphsLookupContext &lookup_context)
@@ -1574,23 +1820,26 @@ static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c
 		   lookupCount, lookupRecord);
 }
 
+template <typename HBUINT>
 static inline bool context_would_apply_lookup (hb_would_apply_context_t *c,
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const HBUINT16 input[], /* Array of input values--start with second glyph */
+					       const HBUINT input[], /* Array of input values--start with second glyph */
 					       unsigned int lookupCount HB_UNUSED,
 					       const LookupRecord lookupRecord[] HB_UNUSED,
-					       ContextApplyLookupContext &lookup_context)
+					       const ContextApplyLookupContext &lookup_context)
 {
   return would_match_input (c,
 			    inputCount, input,
 			    lookup_context.funcs.match, lookup_context.match_data);
 }
+
+template <typename HBUINT>
 static inline bool context_apply_lookup (hb_ot_apply_context_t *c,
 					 unsigned int inputCount, /* Including the first glyph (not matched) */
-					 const HBUINT16 input[], /* Array of input values--start with second glyph */
+					 const HBUINT input[], /* Array of input values--start with second glyph */
 					 unsigned int lookupCount,
 					 const LookupRecord lookupRecord[],
-					 ContextApplyLookupContext &lookup_context)
+					 const ContextApplyLookupContext &lookup_context)
 {
   unsigned match_end = 0;
   unsigned match_positions[HB_MAX_CONTEXT_LENGTH];
@@ -1613,6 +1862,7 @@ static inline bool context_apply_lookup (hb_ot_apply_context_t *c,
   }
 }
 
+template <typename Types>
 struct Rule
 {
   bool intersects (const hb_set_t *glyphs, ContextClosureLookupContext &lookup_context) const
@@ -1626,8 +1876,8 @@ struct Rule
   {
     if (unlikely (c->lookup_limit_exceeded ())) return;
 
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array ((inputCount ? inputCount - 1 : 0)));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array ((inputCount ? inputCount - 1 : 0)));
     context_closure_lookup (c,
 			    inputCount, inputZ.arrayZ,
 			    lookupCount, lookupRecord.arrayZ,
@@ -1640,16 +1890,16 @@ struct Rule
     if (unlikely (c->lookup_limit_exceeded ())) return;
     if (!intersects (c->glyphs, lookup_context)) return;
 
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array (inputCount ? inputCount - 1 : 0));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array (inputCount ? inputCount - 1 : 0));
     recurse_lookups (c, lookupCount, lookupRecord.arrayZ);
   }
 
   void collect_glyphs (hb_collect_glyphs_context_t *c,
 		       ContextCollectGlyphsLookupContext &lookup_context) const
   {
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array (inputCount ? inputCount - 1 : 0));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array (inputCount ? inputCount - 1 : 0));
     context_collect_glyphs_lookup (c,
 				   inputCount, inputZ.arrayZ,
 				   lookupCount, lookupRecord.arrayZ,
@@ -1657,10 +1907,10 @@ struct Rule
   }
 
   bool would_apply (hb_would_apply_context_t *c,
-		    ContextApplyLookupContext &lookup_context) const
+		    const ContextApplyLookupContext &lookup_context) const
   {
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array (inputCount ? inputCount - 1 : 0));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array (inputCount ? inputCount - 1 : 0));
     return context_would_apply_lookup (c,
 				       inputCount, inputZ.arrayZ,
 				       lookupCount, lookupRecord.arrayZ,
@@ -1668,11 +1918,11 @@ struct Rule
   }
 
   bool apply (hb_ot_apply_context_t *c,
-	      ContextApplyLookupContext &lookup_context) const
+	      const ContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array (inputCount ? inputCount - 1 : 0));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array (inputCount ? inputCount - 1 : 0));
     return_trace (context_apply_lookup (c, inputCount, inputZ.arrayZ, lookupCount, lookupRecord.arrayZ, lookup_context));
   }
 
@@ -1685,7 +1935,7 @@ struct Rule
     if (unlikely (!c->extend_min (out))) return_trace (false);
 
     out->inputCount = inputCount;
-    const hb_array_t<const HBUINT16> input = inputZ.as_array (inputCount - 1);
+    const auto input = inputZ.as_array (inputCount - 1);
     for (const auto org : input)
     {
       HBUINT16 d;
@@ -1693,8 +1943,8 @@ struct Rule
       c->copy (d);
     }
 
-    const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
-						       (inputZ.as_array ((inputCount ? inputCount - 1 : 0)));
+    const auto &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
+					   (inputZ.as_array ((inputCount ? inputCount - 1 : 0)));
 
     unsigned count = serialize_lookuprecord_array (c, lookupRecord.as_array (lookupCount), lookup_map);
     return_trace (c->check_assign (out->lookupCount, count, HB_SERIALIZE_ERROR_INT_OVERFLOW));
@@ -1706,7 +1956,7 @@ struct Rule
   {
     TRACE_SUBSET (this);
     if (unlikely (!inputCount)) return_trace (false);
-    const hb_array_t<const HBUINT16> input = inputZ.as_array (inputCount - 1);
+    const auto input = inputZ.as_array (inputCount - 1);
 
     const hb_map_t *mapping = klass_map == nullptr ? c->plan->glyph_map : klass_map;
     if (!hb_all (input, mapping)) return_trace (false);
@@ -1729,7 +1979,7 @@ struct Rule
 					 * glyph sequence--includes the first
 					 * glyph */
   HBUINT16	lookupCount;		/* Number of LookupRecords */
-  UnsizedArrayOf<HBUINT16>
+  UnsizedArrayOf<typename Types::HBUINT>
 		inputZ;			/* Array of match inputs--start with
 					 * second glyph */
 /*UnsizedArrayOf<LookupRecord>
@@ -1739,8 +1989,11 @@ struct Rule
   DEFINE_SIZE_ARRAY (4, inputZ);
 };
 
+template <typename Types>
 struct RuleSet
 {
+  using Rule = OT::Rule<Types>;
+
   bool intersects (const hb_set_t *glyphs,
 		   ContextClosureLookupContext &lookup_context) const
   {
@@ -1785,7 +2038,7 @@ struct RuleSet
   }
 
   bool would_apply (hb_would_apply_context_t *c,
-		    ContextApplyLookupContext &lookup_context) const
+		    const ContextApplyLookupContext &lookup_context) const
   {
     return
     + hb_iter (rule)
@@ -1796,7 +2049,7 @@ struct RuleSet
   }
 
   bool apply (hb_ot_apply_context_t *c,
-	      ContextApplyLookupContext &lookup_context) const
+	      const ContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     return_trace (
@@ -1853,8 +2106,11 @@ struct RuleSet
 };
 
 
-struct ContextFormat1
+template <typename Types>
+struct ContextFormat1_4
 {
+  using RuleSet = OT::RuleSet<Types>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
     struct ContextClosureLookupContext lookup_context = {
@@ -1878,9 +2134,8 @@ struct ContextFormat1
 
   void closure (hb_closure_context_t *c) const
   {
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
-                                                 cur_active_glyphs);
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (), cur_active_glyphs);
 
     struct ContextClosureLookupContext lookup_context = {
       {intersects_glyph, intersected_glyph},
@@ -1902,7 +2157,7 @@ struct ContextFormat1
   void closure_lookups (hb_closure_lookups_context_t *c) const
   {
     struct ContextClosureLookupContext lookup_context = {
-      {intersects_glyph, intersected_glyph},
+      {intersects_glyph, nullptr},
       ContextFormat::SimpleContext,
       nullptr
     };
@@ -1991,19 +2246,22 @@ struct ContextFormat1
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
-  Array16OfOffset16To<RuleSet>
+  Array16Of<typename Types::template OffsetTo<RuleSet>>
 		ruleSet;		/* Array of RuleSet tables
 					 * ordered by Coverage Index */
   public:
-  DEFINE_SIZE_ARRAY (6, ruleSet);
+  DEFINE_SIZE_ARRAY (2 + 2 * Types::size, ruleSet);
 };
 
 
-struct ContextFormat2
+template <typename Types>
+struct ContextFormat2_5
 {
+  using RuleSet = OT::RuleSet<SmallTypes>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
     if (!(this+coverage).intersects (glyphs))
@@ -2011,14 +2269,16 @@ struct ContextFormat2
 
     const ClassDef &class_def = this+classDef;
 
+    hb_map_t cache;
     struct ContextClosureLookupContext lookup_context = {
-      {intersects_class, intersected_class_glyphs},
+      {intersects_class, nullptr},
       ContextFormat::ClassBasedContext,
-      &class_def
+      &class_def,
+      &cache
     };
 
     hb_set_t retained_coverage_glyphs;
-    (this+coverage).intersected_coverage_glyphs (glyphs, &retained_coverage_glyphs);
+    (this+coverage).intersect_set (*glyphs, retained_coverage_glyphs);
 
     hb_set_t coverage_glyph_classes;
     class_def.intersected_classes (&retained_coverage_glyphs, &coverage_glyph_classes);
@@ -2044,23 +2304,27 @@ struct ContextFormat2
     if (!(this+coverage).intersects (c->glyphs))
       return;
 
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
                                                  cur_active_glyphs);
 
     const ClassDef &class_def = this+classDef;
 
+    hb_map_t cache;
+    intersected_class_cache_t intersected_cache;
     struct ContextClosureLookupContext lookup_context = {
       {intersects_class, intersected_class_glyphs},
       ContextFormat::ClassBasedContext,
-      &class_def
+      &class_def,
+      &cache,
+      &intersected_cache
     };
 
     + hb_enumerate (ruleSet)
     | hb_filter ([&] (unsigned _)
     { return class_def.intersects_class (&c->parent_active_glyphs (), _); },
 		 hb_first)
-    | hb_apply ([&] (const hb_pair_t<unsigned, const Offset16To<RuleSet>&> _)
+    | hb_apply ([&] (const hb_pair_t<unsigned, const typename Types::template OffsetTo<RuleSet>&> _)
                 {
                   const RuleSet& rule_set = this+_.second;
                   rule_set.closure (c, _.first, lookup_context);
@@ -2077,10 +2341,12 @@ struct ContextFormat2
 
     const ClassDef &class_def = this+classDef;
 
+    hb_map_t cache;
     struct ContextClosureLookupContext lookup_context = {
-      {intersects_class, intersected_class_glyphs},
+      {intersects_class, nullptr},
       ContextFormat::ClassBasedContext,
-      &class_def
+      &class_def,
+      &cache
     };
 
     + hb_iter (ruleSet)
@@ -2125,19 +2391,54 @@ struct ContextFormat2
 
   const Coverage &get_coverage () const { return this+coverage; }
 
-  bool apply (hb_ot_apply_context_t *c) const
+  unsigned cache_cost () const
+  {
+    unsigned c = (this+classDef).cost () * ruleSet.len;
+    return c >= 4 ? c : 0;
+  }
+  bool cache_func (hb_ot_apply_context_t *c, bool enter) const
+  {
+    if (enter)
+    {
+      if (!HB_BUFFER_TRY_ALLOCATE_VAR (c->buffer, syllable))
+	return false;
+      auto &info = c->buffer->info;
+      unsigned count = c->buffer->len;
+      for (unsigned i = 0; i < count; i++)
+	info[i].syllable() = 255;
+      c->new_syllables = 255;
+      return true;
+    }
+    else
+    {
+      c->new_syllables = (unsigned) -1;
+      HB_BUFFER_DEALLOCATE_VAR (c->buffer, syllable);
+      return true;
+    }
+  }
+
+  bool apply (hb_ot_apply_context_t *c, bool cached = false) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
     const ClassDef &class_def = this+classDef;
-    index = class_def.get_class (c->buffer->cur().codepoint);
-    const RuleSet &rule_set = this+ruleSet[index];
+
     struct ContextApplyLookupContext lookup_context = {
-      {match_class},
+      {cached ? match_class_cached : match_class},
       &class_def
     };
+
+    if (cached && c->buffer->cur().syllable() < 255)
+      index = c->buffer->cur().syllable ();
+    else
+    {
+      index = class_def.get_class (c->buffer->cur().codepoint);
+      if (cached && index < 255)
+	c->buffer->cur().syllable() = index;
+    }
+    const RuleSet &rule_set = this+ruleSet[index];
     return_trace (rule_set.apply (c, lookup_context));
   }
 
@@ -2155,7 +2456,7 @@ struct ContextFormat2
 
     const hb_set_t* glyphset = c->plan->glyphset_gsub ();
     hb_set_t retained_coverage_glyphs;
-    (this+coverage).intersected_coverage_glyphs (glyphset, &retained_coverage_glyphs);
+    (this+coverage).intersect_set (*glyphset, retained_coverage_glyphs);
 
     hb_set_t coverage_glyph_classes;
     (this+classDef).intersected_classes (&retained_coverage_glyphs, &coverage_glyph_classes);
@@ -2163,6 +2464,7 @@ struct ContextFormat2
     const hb_map_t *lookup_map = c->table_tag == HB_OT_TAG_GSUB ? c->plan->gsub_lookups : c->plan->gpos_lookups;
     bool ret = true;
     int non_zero_index = -1, index = 0;
+    auto snapshot = c->serializer->snapshot();
     for (const auto& _ : + hb_enumerate (ruleSet)
 			 | hb_filter (klass_map, hb_first))
     {
@@ -2174,8 +2476,10 @@ struct ContextFormat2
       }
 
       if (coverage_glyph_classes.has (_.first) &&
-	  o->serialize_subset (c, _.second, this, lookup_map, &klass_map))
+	  o->serialize_subset (c, _.second, this, lookup_map, &klass_map)) {
 	non_zero_index = index;
+        snapshot = c->serializer->snapshot();
+      }
 
       index++;
     }
@@ -2189,6 +2493,7 @@ struct ContextFormat2
       out->ruleSet.pop ();
       index--;
     }
+    c->serializer->revert (snapshot);
 
     return_trace (bool (out->ruleSet));
   }
@@ -2201,29 +2506,31 @@ struct ContextFormat2
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 2 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
-  Offset16To<ClassDef>
+  typename Types::template OffsetTo<ClassDef>
 		classDef;		/* Offset to glyph ClassDef table--from
 					 * beginning of table */
-  Array16OfOffset16To<RuleSet>
+  Array16Of<typename Types::template OffsetTo<RuleSet>>
 		ruleSet;		/* Array of RuleSet tables
 					 * ordered by class */
   public:
-  DEFINE_SIZE_ARRAY (8, ruleSet);
+  DEFINE_SIZE_ARRAY (4 + 2 * Types::size, ruleSet);
 };
 
 
 struct ContextFormat3
 {
+  using RuleSet = OT::RuleSet<SmallTypes>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
     if (!(this+coverageZ[0]).intersects (glyphs))
       return false;
 
     struct ContextClosureLookupContext lookup_context = {
-      {intersects_coverage, intersected_coverage_glyphs},
+      {intersects_coverage, nullptr},
       ContextFormat::CoverageBasedContext,
       this
     };
@@ -2240,8 +2547,8 @@ struct ContextFormat3
     if (!(this+coverageZ[0]).intersects (c->glyphs))
       return;
 
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
                                                  cur_active_glyphs);
 
 
@@ -2333,7 +2640,7 @@ struct ContextFormat3
       if (!o->serialize_subset (c, offset, this)) return_trace (false);
     }
 
-    const UnsizedArrayOf<LookupRecord>& lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>> (coverageZ.as_array (glyphCount));
+    const auto& lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>> (coverageZ.as_array (glyphCount));
     const hb_map_t *lookup_map = c->table_tag == HB_OT_TAG_GSUB ? c->plan->gsub_lookups : c->plan->gpos_lookups;
 
 
@@ -2380,16 +2687,24 @@ struct Context
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
     case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
     case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
+    case 5: return_trace (c->dispatch (u.format5, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
 
   protected:
   union {
-  HBUINT16		format;		/* Format identifier */
-  ContextFormat1	format1;
-  ContextFormat2	format2;
-  ContextFormat3	format3;
+  HBUINT16			format;		/* Format identifier */
+  ContextFormat1_4<SmallTypes>	format1;
+  ContextFormat2_5<SmallTypes>	format2;
+  ContextFormat3		format3;
+#ifndef HB_NO_BEYOND_64K
+  ContextFormat1_4<MediumTypes>	format4;
+  ContextFormat2_5<MediumTypes>	format5;
+#endif
   } u;
 };
 
@@ -2401,6 +2716,8 @@ struct ChainContextClosureLookupContext
   ContextClosureFuncs funcs;
   ContextFormat context_format;
   const void *intersects_data[3];
+  void *intersects_cache[3];
+  void *intersected_glyphs_cache;
 };
 
 struct ChainContextCollectGlyphsLookupContext
@@ -2411,37 +2728,45 @@ struct ChainContextCollectGlyphsLookupContext
 
 struct ChainContextApplyLookupContext
 {
-  ContextApplyFuncs funcs;
+  ChainContextApplyFuncs funcs;
   const void *match_data[3];
 };
 
+template <typename HBUINT>
 static inline bool chain_context_intersects (const hb_set_t *glyphs,
 					     unsigned int backtrackCount,
-					     const HBUINT16 backtrack[],
+					     const HBUINT backtrack[],
 					     unsigned int inputCount, /* Including the first glyph (not matched) */
-					     const HBUINT16 input[], /* Array of input values--start with second glyph */
+					     const HBUINT input[], /* Array of input values--start with second glyph */
 					     unsigned int lookaheadCount,
-					     const HBUINT16 lookahead[],
+					     const HBUINT lookahead[],
 					     ChainContextClosureLookupContext &lookup_context)
 {
   return array_is_subset_of (glyphs,
 			     backtrackCount, backtrack,
-			     lookup_context.funcs.intersects, lookup_context.intersects_data[0])
+			     lookup_context.funcs.intersects,
+			     lookup_context.intersects_data[0],
+			     lookup_context.intersects_cache[0])
       && array_is_subset_of (glyphs,
 			     inputCount ? inputCount - 1 : 0, input,
-			     lookup_context.funcs.intersects, lookup_context.intersects_data[1])
+			     lookup_context.funcs.intersects,
+			     lookup_context.intersects_data[1],
+			     lookup_context.intersects_cache[1])
       && array_is_subset_of (glyphs,
 			     lookaheadCount, lookahead,
-			     lookup_context.funcs.intersects, lookup_context.intersects_data[2]);
+			     lookup_context.funcs.intersects,
+			     lookup_context.intersects_data[2],
+			     lookup_context.intersects_cache[2]);
 }
 
+template <typename HBUINT>
 static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 						 unsigned int backtrackCount,
-						 const HBUINT16 backtrack[],
+						 const HBUINT backtrack[],
 						 unsigned int inputCount, /* Including the first glyph (not matched) */
-						 const HBUINT16 input[], /* Array of input values--start with second glyph */
+						 const HBUINT input[], /* Array of input values--start with second glyph */
 						 unsigned int lookaheadCount,
-						 const HBUINT16 lookahead[],
+						 const HBUINT lookahead[],
 						 unsigned int lookupCount,
 						 const LookupRecord lookupRecord[],
 						 unsigned value,
@@ -2458,16 +2783,18 @@ static inline void chain_context_closure_lookup (hb_closure_context_t *c,
 		     value,
 		     lookup_context.context_format,
 		     lookup_context.intersects_data[1],
-		     lookup_context.funcs.intersected_glyphs);
+		     lookup_context.funcs.intersected_glyphs,
+		     lookup_context.intersected_glyphs_cache);
 }
 
+template <typename HBUINT>
 static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c,
 							unsigned int backtrackCount,
-							const HBUINT16 backtrack[],
+							const HBUINT backtrack[],
 							unsigned int inputCount, /* Including the first glyph (not matched) */
-							const HBUINT16 input[], /* Array of input values--start with second glyph */
+							const HBUINT input[], /* Array of input values--start with second glyph */
 							unsigned int lookaheadCount,
-							const HBUINT16 lookahead[],
+							const HBUINT lookahead[],
 							unsigned int lookupCount,
 							const LookupRecord lookupRecord[],
 							ChainContextCollectGlyphsLookupContext &lookup_context)
@@ -2485,44 +2812,46 @@ static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_contex
 		   lookupCount, lookupRecord);
 }
 
+template <typename HBUINT>
 static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c,
 						     unsigned int backtrackCount,
-						     const HBUINT16 backtrack[] HB_UNUSED,
+						     const HBUINT backtrack[] HB_UNUSED,
 						     unsigned int inputCount, /* Including the first glyph (not matched) */
-						     const HBUINT16 input[], /* Array of input values--start with second glyph */
+						     const HBUINT input[], /* Array of input values--start with second glyph */
 						     unsigned int lookaheadCount,
-						     const HBUINT16 lookahead[] HB_UNUSED,
+						     const HBUINT lookahead[] HB_UNUSED,
 						     unsigned int lookupCount HB_UNUSED,
 						     const LookupRecord lookupRecord[] HB_UNUSED,
-						     ChainContextApplyLookupContext &lookup_context)
+						     const ChainContextApplyLookupContext &lookup_context)
 {
   return (c->zero_context ? !backtrackCount && !lookaheadCount : true)
       && would_match_input (c,
 			    inputCount, input,
-			    lookup_context.funcs.match, lookup_context.match_data[1]);
+			    lookup_context.funcs.match[1], lookup_context.match_data[1]);
 }
 
+template <typename HBUINT>
 static inline bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
 					       unsigned int backtrackCount,
-					       const HBUINT16 backtrack[],
+					       const HBUINT backtrack[],
 					       unsigned int inputCount, /* Including the first glyph (not matched) */
-					       const HBUINT16 input[], /* Array of input values--start with second glyph */
+					       const HBUINT input[], /* Array of input values--start with second glyph */
 					       unsigned int lookaheadCount,
-					       const HBUINT16 lookahead[],
+					       const HBUINT lookahead[],
 					       unsigned int lookupCount,
 					       const LookupRecord lookupRecord[],
-					       ChainContextApplyLookupContext &lookup_context)
+					       const ChainContextApplyLookupContext &lookup_context)
 {
   unsigned end_index = c->buffer->idx;
   unsigned match_end = 0;
   unsigned match_positions[HB_MAX_CONTEXT_LENGTH];
   if (!(match_input (c,
 		     inputCount, input,
-		     lookup_context.funcs.match, lookup_context.match_data[1],
+		     lookup_context.funcs.match[1], lookup_context.match_data[1],
 		     &match_end, match_positions) && (end_index = match_end)
        && match_lookahead (c,
 			   lookaheadCount, lookahead,
-			   lookup_context.funcs.match, lookup_context.match_data[2],
+			   lookup_context.funcs.match[2], lookup_context.match_data[2],
 			   match_end, &end_index)))
   {
     c->buffer->unsafe_to_concat (c->buffer->idx, end_index);
@@ -2532,7 +2861,7 @@ static inline bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
   unsigned start_index = c->buffer->out_len;
   if (!match_backtrack (c,
 			backtrackCount, backtrack,
-			lookup_context.funcs.match, lookup_context.match_data[0],
+			lookup_context.funcs.match[0], lookup_context.match_data[0],
 			&start_index))
   {
     c->buffer->unsafe_to_concat_from_outbuffer (start_index, end_index);
@@ -2547,12 +2876,13 @@ static inline bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
   return true;
 }
 
+template <typename Types>
 struct ChainRule
 {
   bool intersects (const hb_set_t *glyphs, ChainContextClosureLookupContext &lookup_context) const
   {
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     return chain_context_intersects (glyphs,
 				     backtrack.len, backtrack.arrayZ,
 				     input.lenP1, input.arrayZ,
@@ -2565,9 +2895,9 @@ struct ChainRule
   {
     if (unlikely (c->lookup_limit_exceeded ())) return;
 
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     chain_context_closure_lookup (c,
 				  backtrack.len, backtrack.arrayZ,
 				  input.lenP1, input.arrayZ,
@@ -2583,18 +2913,18 @@ struct ChainRule
     if (unlikely (c->lookup_limit_exceeded ())) return;
     if (!intersects (c->glyphs, lookup_context)) return;
 
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     recurse_lookups (c, lookup.len, lookup.arrayZ);
   }
 
   void collect_glyphs (hb_collect_glyphs_context_t *c,
 		       ChainContextCollectGlyphsLookupContext &lookup_context) const
   {
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     chain_context_collect_glyphs_lookup (c,
 					 backtrack.len, backtrack.arrayZ,
 					 input.lenP1, input.arrayZ,
@@ -2604,11 +2934,11 @@ struct ChainRule
   }
 
   bool would_apply (hb_would_apply_context_t *c,
-		    ChainContextApplyLookupContext &lookup_context) const
+		    const ChainContextApplyLookupContext &lookup_context) const
   {
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     return chain_context_would_apply_lookup (c,
 					     backtrack.len, backtrack.arrayZ,
 					     input.lenP1, input.arrayZ,
@@ -2616,12 +2946,13 @@ struct ChainRule
 					     lookup.arrayZ, lookup_context);
   }
 
-  bool apply (hb_ot_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
+  bool apply (hb_ot_apply_context_t *c,
+	      const ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     return_trace (chain_context_apply_lookup (c,
 					      backtrack.len, backtrack.arrayZ,
 					      input.lenP1, input.arrayZ,
@@ -2654,22 +2985,22 @@ struct ChainRule
     serialize_array (c, backtrack.len, + backtrack.iter ()
 				       | hb_map (mapping));
 
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
     if (input_map) mapping = input_map;
     serialize_array (c, input.lenP1, + input.iter ()
 				     | hb_map (mapping));
 
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     if (lookahead_map) mapping = lookahead_map;
     serialize_array (c, lookahead.len, + lookahead.iter ()
 				       | hb_map (mapping));
 
-    const Array16Of<LookupRecord> &lookupRecord = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
 
-    HBUINT16* lookupCount = c->embed (&(lookupRecord.len));
+    HBUINT16* lookupCount = c->embed (&(lookup.len));
     if (!lookupCount) return_trace (false);
 
-    unsigned count = serialize_lookuprecord_array (c, lookupRecord.as_array (), lookup_map);
+    unsigned count = serialize_lookuprecord_array (c, lookup.as_array (), lookup_map);
     return_trace (c->check_assign (*lookupCount, count, HB_SERIALIZE_ERROR_INT_OVERFLOW));
   }
 
@@ -2681,8 +3012,8 @@ struct ChainRule
   {
     TRACE_SUBSET (this);
 
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
 
     if (!backtrack_map)
     {
@@ -2711,23 +3042,23 @@ struct ChainRule
   {
     TRACE_SANITIZE (this);
     if (!backtrack.sanitize (c)) return_trace (false);
-    const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
     if (!input.sanitize (c)) return_trace (false);
-    const Array16Of<HBUINT16> &lookahead = StructAfter<Array16Of<HBUINT16>> (input);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     if (!lookahead.sanitize (c)) return_trace (false);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     return_trace (lookup.sanitize (c));
   }
 
   protected:
-  Array16Of<HBUINT16>
+  Array16Of<typename Types::HBUINT>
 		backtrack;		/* Array of backtracking values
 					 * (to be matched before the input
 					 * sequence) */
-  HeadlessArrayOf<HBUINT16>
+  HeadlessArrayOf<typename Types::HBUINT>
 		inputX;			/* Array of input values (start with
 					 * second glyph) */
-  Array16Of<HBUINT16>
+  Array16Of<typename Types::HBUINT>
 		lookaheadX;		/* Array of lookahead values's (to be
 					 * matched after the input sequence) */
   Array16Of<LookupRecord>
@@ -2737,8 +3068,11 @@ struct ChainRule
   DEFINE_SIZE_MIN (8);
 };
 
+template <typename Types>
 struct ChainRuleSet
 {
+  using ChainRule = OT::ChainRule<Types>;
+
   bool intersects (const hb_set_t *glyphs, ChainContextClosureLookupContext &lookup_context) const
   {
     return
@@ -2779,7 +3113,8 @@ struct ChainRuleSet
     ;
   }
 
-  bool would_apply (hb_would_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
+  bool would_apply (hb_would_apply_context_t *c,
+		    const ChainContextApplyLookupContext &lookup_context) const
   {
     return
     + hb_iter (rule)
@@ -2789,7 +3124,8 @@ struct ChainRuleSet
     ;
   }
 
-  bool apply (hb_ot_apply_context_t *c, ChainContextApplyLookupContext &lookup_context) const
+  bool apply (hb_ot_apply_context_t *c,
+	      const ChainContextApplyLookupContext &lookup_context) const
   {
     TRACE_APPLY (this);
     return_trace (
@@ -2851,8 +3187,11 @@ struct ChainRuleSet
   DEFINE_SIZE_ARRAY (2, rule);
 };
 
-struct ChainContextFormat1
+template <typename Types>
+struct ChainContextFormat1_4
 {
+  using ChainRuleSet = OT::ChainRuleSet<Types>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
     struct ChainContextClosureLookupContext lookup_context = {
@@ -2876,8 +3215,8 @@ struct ChainContextFormat1
 
   void closure (hb_closure_context_t *c) const
   {
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
                                                  cur_active_glyphs);
 
     struct ChainContextClosureLookupContext lookup_context = {
@@ -2900,7 +3239,7 @@ struct ChainContextFormat1
   void closure_lookups (hb_closure_lookups_context_t *c) const
   {
     struct ChainContextClosureLookupContext lookup_context = {
-      {intersects_glyph, intersected_glyph},
+      {intersects_glyph, nullptr},
       ContextFormat::SimpleContext,
       {nullptr, nullptr, nullptr}
     };
@@ -2934,7 +3273,7 @@ struct ChainContextFormat1
   {
     const ChainRuleSet &rule_set = this+ruleSet[(this+coverage).get_coverage (c->glyphs[0])];
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_glyph},
+      {{match_glyph, match_glyph, match_glyph}},
       {nullptr, nullptr, nullptr}
     };
     return rule_set.would_apply (c, lookup_context);
@@ -2950,7 +3289,7 @@ struct ChainContextFormat1
 
     const ChainRuleSet &rule_set = this+ruleSet[index];
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_glyph},
+      {{match_glyph, match_glyph, match_glyph}},
       {nullptr, nullptr, nullptr}
     };
     return_trace (rule_set.apply (c, lookup_context));
@@ -2988,18 +3327,21 @@ struct ChainContextFormat1
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 1 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
-  Array16OfOffset16To<ChainRuleSet>
+  Array16Of<typename Types::template OffsetTo<ChainRuleSet>>
 		ruleSet;		/* Array of ChainRuleSet tables
 					 * ordered by Coverage Index */
   public:
-  DEFINE_SIZE_ARRAY (6, ruleSet);
+  DEFINE_SIZE_ARRAY (2 + 2 * Types::size, ruleSet);
 };
 
-struct ChainContextFormat2
+template <typename Types>
+struct ChainContextFormat2_5
 {
+  using ChainRuleSet = OT::ChainRuleSet<SmallTypes>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
     if (!(this+coverage).intersects (glyphs))
@@ -3009,16 +3351,18 @@ struct ChainContextFormat2
     const ClassDef &input_class_def = this+inputClassDef;
     const ClassDef &lookahead_class_def = this+lookaheadClassDef;
 
+    hb_map_t caches[3] = {};
     struct ChainContextClosureLookupContext lookup_context = {
-      {intersects_class, intersected_class_glyphs},
+      {intersects_class, nullptr},
       ContextFormat::ClassBasedContext,
       {&backtrack_class_def,
        &input_class_def,
-       &lookahead_class_def}
+       &lookahead_class_def},
+      {&caches[0], &caches[1], &caches[2]}
     };
 
     hb_set_t retained_coverage_glyphs;
-    (this+coverage).intersected_coverage_glyphs (glyphs, &retained_coverage_glyphs);
+    (this+coverage).intersect_set (*glyphs, retained_coverage_glyphs);
 
     hb_set_t coverage_glyph_classes;
     input_class_def.intersected_classes (&retained_coverage_glyphs, &coverage_glyph_classes);
@@ -3043,8 +3387,8 @@ struct ChainContextFormat2
     if (!(this+coverage).intersects (c->glyphs))
       return;
 
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
                                                  cur_active_glyphs);
 
 
@@ -3052,19 +3396,23 @@ struct ChainContextFormat2
     const ClassDef &input_class_def = this+inputClassDef;
     const ClassDef &lookahead_class_def = this+lookaheadClassDef;
 
+    hb_map_t caches[3] = {};
+    intersected_class_cache_t intersected_cache;
     struct ChainContextClosureLookupContext lookup_context = {
       {intersects_class, intersected_class_glyphs},
       ContextFormat::ClassBasedContext,
       {&backtrack_class_def,
        &input_class_def,
-       &lookahead_class_def}
+       &lookahead_class_def},
+      {&caches[0], &caches[1], &caches[2]},
+      &intersected_cache
     };
 
     + hb_enumerate (ruleSet)
     | hb_filter ([&] (unsigned _)
     { return input_class_def.intersects_class (&c->parent_active_glyphs (), _); },
 		 hb_first)
-    | hb_apply ([&] (const hb_pair_t<unsigned, const Offset16To<ChainRuleSet>&> _)
+    | hb_apply ([&] (const hb_pair_t<unsigned, const typename Types::template OffsetTo<ChainRuleSet>&> _)
                 {
                   const ChainRuleSet& chainrule_set = this+_.second;
                   chainrule_set.closure (c, _.first, lookup_context);
@@ -3083,12 +3431,14 @@ struct ChainContextFormat2
     const ClassDef &input_class_def = this+inputClassDef;
     const ClassDef &lookahead_class_def = this+lookaheadClassDef;
 
+    hb_map_t caches[3] = {};
     struct ChainContextClosureLookupContext lookup_context = {
-      {intersects_class, intersected_class_glyphs},
+      {intersects_class, nullptr},
       ContextFormat::ClassBasedContext,
       {&backtrack_class_def,
        &input_class_def,
-       &lookahead_class_def}
+       &lookahead_class_def},
+      {&caches[0], &caches[1], &caches[2]}
     };
 
     + hb_iter (ruleSet)
@@ -3134,7 +3484,7 @@ struct ChainContextFormat2
     unsigned int index = input_class_def.get_class (c->glyphs[0]);
     const ChainRuleSet &rule_set = this+ruleSet[index];
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_class},
+      {{match_class, match_class, match_class}},
       {&backtrack_class_def,
        &input_class_def,
        &lookahead_class_def}
@@ -3144,7 +3494,33 @@ struct ChainContextFormat2
 
   const Coverage &get_coverage () const { return this+coverage; }
 
-  bool apply (hb_ot_apply_context_t *c) const
+  unsigned cache_cost () const
+  {
+    unsigned c = (this+lookaheadClassDef).cost () * ruleSet.len;
+    return c >= 4 ? c : 0;
+  }
+  bool cache_func (hb_ot_apply_context_t *c, bool enter) const
+  {
+    if (enter)
+    {
+      if (!HB_BUFFER_TRY_ALLOCATE_VAR (c->buffer, syllable))
+	return false;
+      auto &info = c->buffer->info;
+      unsigned count = c->buffer->len;
+      for (unsigned i = 0; i < count; i++)
+	info[i].syllable() = 255;
+      c->new_syllables = 255;
+      return true;
+    }
+    else
+    {
+      c->new_syllables = (unsigned) -1;
+      HB_BUFFER_DEALLOCATE_VAR (c->buffer, syllable);
+      return true;
+    }
+  }
+
+  bool apply (hb_ot_apply_context_t *c, bool cached = false) const
   {
     TRACE_APPLY (this);
     unsigned int index = (this+coverage).get_coverage (c->buffer->cur().codepoint);
@@ -3154,14 +3530,27 @@ struct ChainContextFormat2
     const ClassDef &input_class_def = this+inputClassDef;
     const ClassDef &lookahead_class_def = this+lookaheadClassDef;
 
-    index = input_class_def.get_class (c->buffer->cur().codepoint);
-    const ChainRuleSet &rule_set = this+ruleSet[index];
+    /* For ChainContextFormat2_5 we cache the LookaheadClassDef instead of InputClassDef.
+     * The reason is that most heavy fonts want to identify a glyph in context and apply
+     * a lookup to it. In this scenario, the length of the input sequence is one, whereas
+     * the lookahead / backtrack are typically longer.  The one glyph in input sequence is
+     * looked-up below and no input glyph is looked up in individual rules, whereas the
+     * lookahead and backtrack glyphs are tried.  Since we match lookahead before backtrack,
+     * we should cache lookahead.  This decisions showed a 20% improvement in shaping of
+     * the Gulzar font.
+     */
+
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_class},
+      {{cached && &backtrack_class_def == &input_class_def ? match_class_cached : match_class,
+        cached && &input_class_def == &lookahead_class_def ? match_class_cached : match_class,
+        cached ? match_class_cached : match_class}},
       {&backtrack_class_def,
        &input_class_def,
        &lookahead_class_def}
     };
+
+    index = input_class_def.get_class (c->buffer->cur().codepoint);
+    const ChainRuleSet &rule_set = this+ruleSet[index];
     return_trace (rule_set.apply (c, lookup_context));
   }
 
@@ -3189,7 +3578,7 @@ struct ChainContextFormat2
 
     const hb_set_t* glyphset = c->plan->glyphset_gsub ();
     hb_set_t retained_coverage_glyphs;
-    (this+coverage).intersected_coverage_glyphs (glyphset, &retained_coverage_glyphs);
+    (this+coverage).intersect_set (*glyphset, retained_coverage_glyphs);
 
     hb_set_t coverage_glyph_classes;
     (this+inputClassDef).intersected_classes (&retained_coverage_glyphs, &coverage_glyph_classes);
@@ -3244,40 +3633,42 @@ struct ChainContextFormat2
 
   protected:
   HBUINT16	format;			/* Format identifier--format = 2 */
-  Offset16To<Coverage>
+  typename Types::template OffsetTo<Coverage>
 		coverage;		/* Offset to Coverage table--from
 					 * beginning of table */
-  Offset16To<ClassDef>
+  typename Types::template OffsetTo<ClassDef>
 		backtrackClassDef;	/* Offset to glyph ClassDef table
 					 * containing backtrack sequence
 					 * data--from beginning of table */
-  Offset16To<ClassDef>
+  typename Types::template OffsetTo<ClassDef>
 		inputClassDef;		/* Offset to glyph ClassDef
 					 * table containing input sequence
 					 * data--from beginning of table */
-  Offset16To<ClassDef>
+  typename Types::template OffsetTo<ClassDef>
 		lookaheadClassDef;	/* Offset to glyph ClassDef table
 					 * containing lookahead sequence
 					 * data--from beginning of table */
-  Array16OfOffset16To<ChainRuleSet>
+  Array16Of<typename Types::template OffsetTo<ChainRuleSet>>
 		ruleSet;		/* Array of ChainRuleSet tables
 					 * ordered by class */
   public:
-  DEFINE_SIZE_ARRAY (12, ruleSet);
+  DEFINE_SIZE_ARRAY (4 + 4 * Types::size, ruleSet);
 };
 
 struct ChainContextFormat3
 {
+  using RuleSet = OT::RuleSet<SmallTypes>;
+
   bool intersects (const hb_set_t *glyphs) const
   {
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
 
     if (!(this+input[0]).intersects (glyphs))
       return false;
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     struct ChainContextClosureLookupContext lookup_context = {
-      {intersects_coverage, intersected_coverage_glyphs},
+      {intersects_coverage, nullptr},
       ContextFormat::CoverageBasedContext,
       {this, this, this}
     };
@@ -3293,18 +3684,18 @@ struct ChainContextFormat3
 
   void closure (hb_closure_context_t *c) const
   {
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
 
     if (!(this+input[0]).intersects (c->glyphs))
       return;
 
-    hb_set_t* cur_active_glyphs = &c->push_cur_active_glyphs ();
-    get_coverage ().intersected_coverage_glyphs (&c->previous_parent_active_glyphs (),
+    hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
+    get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
                                                  cur_active_glyphs);
 
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     struct ChainContextClosureLookupContext lookup_context = {
       {intersects_coverage, intersected_coverage_glyphs},
       ContextFormat::CoverageBasedContext,
@@ -3325,9 +3716,9 @@ struct ChainContextFormat3
     if (!intersects (c->glyphs))
       return;
 
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     recurse_lookups (c, lookup.len, lookup.arrayZ);
   }
 
@@ -3335,12 +3726,13 @@ struct ChainContextFormat3
 
   void collect_glyphs (hb_collect_glyphs_context_t *c) const
   {
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
 
     (this+input[0]).collect_coverage (c->input);
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
+
     struct ChainContextCollectGlyphsLookupContext lookup_context = {
       {collect_coverage},
       {this, this, this}
@@ -3355,11 +3747,11 @@ struct ChainContextFormat3
 
   bool would_apply (hb_would_apply_context_t *c) const
   {
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_coverage},
+      {{match_coverage, match_coverage, match_coverage}},
       {this, this, this}
     };
     return chain_context_would_apply_lookup (c,
@@ -3371,22 +3763,22 @@ struct ChainContextFormat3
 
   const Coverage &get_coverage () const
   {
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
     return this+input[0];
   }
 
   bool apply (hb_ot_apply_context_t *c) const
   {
     TRACE_APPLY (this);
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
 
     unsigned int index = (this+input[0]).get_coverage (c->buffer->cur().codepoint);
     if (likely (index == NOT_COVERED)) return_trace (false);
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     struct ChainContextApplyLookupContext lookup_context = {
-      {match_coverage},
+      {{match_coverage, match_coverage, match_coverage}},
       {this, this, this}
     };
     return_trace (chain_context_apply_lookup (c,
@@ -3426,21 +3818,21 @@ struct ChainContextFormat3
     if (!serialize_coverage_offsets (c, backtrack.iter (), this))
       return_trace (false);
 
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
     if (!serialize_coverage_offsets (c, input.iter (), this))
       return_trace (false);
 
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     if (!serialize_coverage_offsets (c, lookahead.iter (), this))
       return_trace (false);
 
-    const Array16Of<LookupRecord> &lookupRecord = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     const hb_map_t *lookup_map = c->table_tag == HB_OT_TAG_GSUB ? c->plan->gsub_lookups : c->plan->gpos_lookups;
 
-    HBUINT16 *lookupCount = c->serializer->copy<HBUINT16> (lookupRecord.len);
+    HBUINT16 *lookupCount = c->serializer->copy<HBUINT16> (lookup.len);
     if (!lookupCount) return_trace (false);
 
-    unsigned count = serialize_lookuprecord_array (c->serializer, lookupRecord.as_array (), lookup_map);
+    unsigned count = serialize_lookuprecord_array (c->serializer, lookup.as_array (), lookup_map);
     return_trace (c->serializer->check_assign (*lookupCount, count, HB_SERIALIZE_ERROR_INT_OVERFLOW));
   }
 
@@ -3448,12 +3840,12 @@ struct ChainContextFormat3
   {
     TRACE_SANITIZE (this);
     if (!backtrack.sanitize (c, this)) return_trace (false);
-    const Array16OfOffset16To<Coverage> &input = StructAfter<Array16OfOffset16To<Coverage>> (backtrack);
+    const auto &input = StructAfter<decltype (inputX)> (backtrack);
     if (!input.sanitize (c, this)) return_trace (false);
     if (!input.len) return_trace (false); /* To be consistent with Context. */
-    const Array16OfOffset16To<Coverage> &lookahead = StructAfter<Array16OfOffset16To<Coverage>> (input);
+    const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
     if (!lookahead.sanitize (c, this)) return_trace (false);
-    const Array16Of<LookupRecord> &lookup = StructAfter<Array16Of<LookupRecord>> (lookahead);
+    const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
     return_trace (lookup.sanitize (c));
   }
 
@@ -3489,16 +3881,24 @@ struct ChainContext
     case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
     case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
     case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+#ifndef HB_NO_BEYOND_64K
+    case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
+    case 5: return_trace (c->dispatch (u.format5, std::forward<Ts> (ds)...));
+#endif
     default:return_trace (c->default_return_value ());
     }
   }
 
   protected:
   union {
-  HBUINT16		format;	/* Format identifier */
-  ChainContextFormat1	format1;
-  ChainContextFormat2	format2;
-  ChainContextFormat3	format3;
+  HBUINT16				format;	/* Format identifier */
+  ChainContextFormat1_4<SmallTypes>	format1;
+  ChainContextFormat2_5<SmallTypes>	format2;
+  ChainContextFormat3			format3;
+#ifndef HB_NO_BEYOND_64K
+  ChainContextFormat1_4<MediumTypes>	format4;
+  ChainContextFormat2_5<MediumTypes>	format5;
+#endif
   } u;
 };
 
@@ -3619,64 +4019,282 @@ struct hb_ot_layout_lookup_accelerator_t
   template <typename TLookup>
   void init (const TLookup &lookup)
   {
-    digest.init ();
-    lookup.collect_coverage (&digest);
-
     subtables.init ();
-    OT::hb_get_subtables_context_t c_get_subtables (subtables);
-    lookup.dispatch (&c_get_subtables);
+    hb_accelerate_subtables_context_t c_accelerate_subtables (subtables);
+    lookup.dispatch (&c_accelerate_subtables);
+
+    digest.init ();
+    for (auto& subtable : hb_iter (subtables))
+      digest.add (subtable.digest);
+
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    cache_user_idx = c_accelerate_subtables.cache_user_idx;
+    for (unsigned i = 0; i < subtables.length; i++)
+      if (i != cache_user_idx)
+	subtables[i].apply_cached_func = subtables[i].apply_func;
+#endif
   }
   void fini () { subtables.fini (); }
 
   bool may_have (hb_codepoint_t g) const
   { return digest.may_have (g); }
 
-  bool apply (hb_ot_apply_context_t *c) const
+  bool apply (hb_ot_apply_context_t *c, bool use_cache) const
   {
-    for (unsigned int i = 0; i < subtables.length; i++)
-      if (subtables[i].apply (c))
-	return true;
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    if (use_cache)
+    {
+      return
+      + hb_iter (subtables)
+      | hb_map ([&c] (const hb_accelerate_subtables_context_t::hb_applicable_t &_) { return _.apply_cached (c); })
+      | hb_any
+      ;
+    }
+    else
+#endif
+    {
+      return
+      + hb_iter (subtables)
+      | hb_map ([&c] (const hb_accelerate_subtables_context_t::hb_applicable_t &_) { return _.apply (c); })
+      | hb_any
+      ;
+    }
     return false;
   }
 
-  private:
+  bool cache_enter (hb_ot_apply_context_t *c) const
+  {
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    return cache_user_idx != (unsigned) -1 &&
+	   subtables[cache_user_idx].cache_enter (c);
+#else
+    return false;
+#endif
+  }
+  void cache_leave (hb_ot_apply_context_t *c) const
+  {
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+    subtables[cache_user_idx].cache_leave (c);
+#endif
+  }
+
+
   hb_set_digest_t digest;
-  hb_get_subtables_context_t::array_t subtables;
+  private:
+  hb_accelerate_subtables_context_t::array_t subtables;
+#ifndef HB_NO_OT_LAYOUT_LOOKUP_CACHE
+  unsigned cache_user_idx = (unsigned) -1;
+#endif
+};
+
+template <typename Types>
+struct GSUBGPOSVersion1_2
+{
+  friend struct GSUBGPOS;
+
+  protected:
+  FixedVersion<>version;	/* Version of the GSUB/GPOS table--initially set
+				 * to 0x00010000u */
+  typename Types:: template OffsetTo<ScriptList>
+		scriptList;	/* ScriptList table */
+  typename Types::template OffsetTo<FeatureList>
+		featureList;	/* FeatureList table */
+  typename Types::template OffsetTo<LookupList<Types>>
+		lookupList;	/* LookupList table */
+  Offset32To<FeatureVariations>
+		featureVars;	/* Offset to Feature Variations
+				   table--from beginning of table
+				 * (may be NULL).  Introduced
+				 * in version 0x00010001. */
+  public:
+  DEFINE_SIZE_MIN (4 + 3 * Types::size);
+
+  unsigned int get_size () const
+  {
+    return min_size +
+	   (version.to_int () >= 0x00010001u ? featureVars.static_size : 0);
+  }
+
+  const typename Types::template OffsetTo<LookupList<Types>>* get_lookup_list_offset () const
+  {
+    return &lookupList;
+  }
+
+  template <typename TLookup>
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    typedef List16OfOffsetTo<TLookup, typename Types::HBUINT> TLookupList;
+    if (unlikely (!(scriptList.sanitize (c, this) &&
+		    featureList.sanitize (c, this) &&
+		    reinterpret_cast<const typename Types::template OffsetTo<TLookupList> &> (lookupList).sanitize (c, this))))
+      return_trace (false);
+
+#ifndef HB_NO_VAR
+    if (unlikely (!(version.to_int () < 0x00010001u || featureVars.sanitize (c, this))))
+      return_trace (false);
+#endif
+
+    return_trace (true);
+  }
+
+  template <typename TLookup>
+  bool subset (hb_subset_layout_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->subset_context->serializer->embed (*this);
+    if (unlikely (!out)) return_trace (false);
+
+    typedef LookupOffsetList<TLookup, typename Types::HBUINT> TLookupList;
+    reinterpret_cast<typename Types::template OffsetTo<TLookupList> &> (out->lookupList)
+	.serialize_subset (c->subset_context,
+			   reinterpret_cast<const typename Types::template OffsetTo<TLookupList> &> (lookupList),
+			   this,
+			   c);
+
+    reinterpret_cast<typename Types::template OffsetTo<RecordListOfFeature> &> (out->featureList)
+	.serialize_subset (c->subset_context,
+			   reinterpret_cast<const typename Types::template OffsetTo<RecordListOfFeature> &> (featureList),
+			   this,
+			   c);
+
+    out->scriptList.serialize_subset (c->subset_context,
+				      scriptList,
+				      this,
+				      c);
+
+#ifndef HB_NO_VAR
+    if (version.to_int () >= 0x00010001u)
+    {
+      bool ret = out->featureVars.serialize_subset (c->subset_context, featureVars, this, c);
+      if (!ret && version.major == 1)
+      {
+	out->version.major = 1;
+	out->version.minor = 0;
+      }
+    }
+#endif
+
+    return_trace (true);
+  }
 };
 
 struct GSUBGPOS
 {
-  bool has_data () const { return version.to_int (); }
+  unsigned int get_size () const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.get_size ();
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.get_size ();
+#endif
+    default: return u.version.static_size;
+    }
+  }
+
+  template <typename TLookup>
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    if (unlikely (!u.version.sanitize (c))) return_trace (false);
+    switch (u.version.major) {
+    case 1: return_trace (u.version1.sanitize<TLookup> (c));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return_trace (u.version2.sanitize<TLookup> (c));
+#endif
+    default: return_trace (true);
+    }
+  }
+
+  template <typename TLookup>
+  bool subset (hb_subset_layout_context_t *c) const
+  {
+    switch (u.version.major) {
+    case 1: return u.version1.subset<TLookup> (c);
+#ifndef HB_NO_BEYOND_64K
+    case 2: return u.version2.subset<TLookup> (c);
+#endif
+    default: return false;
+    }
+  }
+
+  const ScriptList &get_script_list () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.scriptList;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.scriptList;
+#endif
+    default: return Null (ScriptList);
+    }
+  }
+  const FeatureList &get_feature_list () const
+  {
+    switch (u.version.major) {
+    case 1: return this+u.version1.featureList;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.featureList;
+#endif
+    default: return Null (FeatureList);
+    }
+  }
+  unsigned int get_lookup_count () const
+  {
+    switch (u.version.major) {
+    case 1: return (this+u.version1.lookupList).len;
+#ifndef HB_NO_BEYOND_64K
+    case 2: return (this+u.version2.lookupList).len;
+#endif
+    default: return 0;
+    }
+  }
+  const Lookup& get_lookup (unsigned int i) const
+  {
+    switch (u.version.major) {
+    case 1: return (this+u.version1.lookupList)[i];
+#ifndef HB_NO_BEYOND_64K
+    case 2: return (this+u.version2.lookupList)[i];
+#endif
+    default: return Null (Lookup);
+    }
+  }
+  const FeatureVariations &get_feature_variations () const
+  {
+    switch (u.version.major) {
+    case 1: return (u.version.to_int () >= 0x00010001u ? this+u.version1.featureVars : Null (FeatureVariations));
+#ifndef HB_NO_BEYOND_64K
+    case 2: return this+u.version2.featureVars;
+#endif
+    default: return Null (FeatureVariations);
+    }
+  }
+
+  bool has_data () const { return u.version.to_int (); }
   unsigned int get_script_count () const
-  { return (this+scriptList).len; }
+  { return get_script_list ().len; }
   const Tag& get_script_tag (unsigned int i) const
-  { return (this+scriptList).get_tag (i); }
+  { return get_script_list ().get_tag (i); }
   unsigned int get_script_tags (unsigned int start_offset,
 				unsigned int *script_count /* IN/OUT */,
 				hb_tag_t     *script_tags /* OUT */) const
-  { return (this+scriptList).get_tags (start_offset, script_count, script_tags); }
+  { return get_script_list ().get_tags (start_offset, script_count, script_tags); }
   const Script& get_script (unsigned int i) const
-  { return (this+scriptList)[i]; }
+  { return get_script_list ()[i]; }
   bool find_script_index (hb_tag_t tag, unsigned int *index) const
-  { return (this+scriptList).find_index (tag, index); }
+  { return get_script_list ().find_index (tag, index); }
 
   unsigned int get_feature_count () const
-  { return (this+featureList).len; }
+  { return get_feature_list ().len; }
   hb_tag_t get_feature_tag (unsigned int i) const
-  { return i == Index::NOT_FOUND_INDEX ? HB_TAG_NONE : (this+featureList).get_tag (i); }
+  { return i == Index::NOT_FOUND_INDEX ? HB_TAG_NONE : get_feature_list ().get_tag (i); }
   unsigned int get_feature_tags (unsigned int start_offset,
 				 unsigned int *feature_count /* IN/OUT */,
 				 hb_tag_t     *feature_tags /* OUT */) const
-  { return (this+featureList).get_tags (start_offset, feature_count, feature_tags); }
+  { return get_feature_list ().get_tags (start_offset, feature_count, feature_tags); }
   const Feature& get_feature (unsigned int i) const
-  { return (this+featureList)[i]; }
+  { return get_feature_list ()[i]; }
   bool find_feature_index (hb_tag_t tag, unsigned int *index) const
-  { return (this+featureList).find_index (tag, index); }
-
-  unsigned int get_lookup_count () const
-  { return (this+lookupList).len; }
-  const Lookup& get_lookup (unsigned int i) const
-  { return (this+lookupList)[i]; }
+  { return get_feature_list ().find_index (tag, index); }
 
   bool find_variations_index (const int *coords, unsigned int num_coords,
 			      unsigned int *index) const
@@ -3685,18 +4303,17 @@ struct GSUBGPOS
     *index = FeatureVariations::NOT_FOUND_INDEX;
     return false;
 #endif
-    return (version.to_int () >= 0x00010001u ? this+featureVars : Null (FeatureVariations))
-	    .find_index (coords, num_coords, index);
+    return get_feature_variations ().find_index (coords, num_coords, index);
   }
   const Feature& get_feature_variation (unsigned int feature_index,
 					unsigned int variations_index) const
   {
 #ifndef HB_NO_VAR
     if (FeatureVariations::NOT_FOUND_INDEX != variations_index &&
-	version.to_int () >= 0x00010001u)
+	u.version.to_int () >= 0x00010001u)
     {
-      const Feature *feature = (this+featureVars).find_substitute (variations_index,
-								   feature_index);
+      const Feature *feature = get_feature_variations ().find_substitute (variations_index,
+									  feature_index);
       if (feature)
 	return *feature;
     }
@@ -3705,23 +4322,30 @@ struct GSUBGPOS
   }
 
   void feature_variation_collect_lookups (const hb_set_t *feature_indexes,
+					  const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map,
 					  hb_set_t       *lookup_indexes /* OUT */) const
   {
 #ifndef HB_NO_VAR
-    if (version.to_int () >= 0x00010001u)
-      (this+featureVars).collect_lookups (feature_indexes, lookup_indexes);
+    get_feature_variations ().collect_lookups (feature_indexes, feature_substitutes_map, lookup_indexes);
 #endif
   }
 
+#ifndef HB_NO_VAR
+  void collect_feature_substitutes_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
+  { get_feature_variations ().collect_feature_substitutes_with_variations (c); }
+#endif
+
   template <typename TLookup>
   void closure_lookups (hb_face_t      *face,
 			const hb_set_t *glyphs,
 			hb_set_t       *lookup_indexes /* IN/OUT */) const
   {
     hb_set_t visited_lookups, inactive_lookups;
-    OT::hb_closure_lookups_context_t c (face, glyphs, &visited_lookups, &inactive_lookups);
+    hb_closure_lookups_context_t c (face, glyphs, &visited_lookups, &inactive_lookups);
+
+    c.set_recurse_func (TLookup::template dispatch_recurse_func<hb_closure_lookups_context_t>);
 
-    for (unsigned lookup_index : + hb_iter (lookup_indexes))
+    for (unsigned lookup_index : *lookup_indexes)
       reinterpret_cast<const TLookup &> (get_lookup (lookup_index)).closure_lookups (&c, lookup_index);
 
     hb_set_union (lookup_indexes, &visited_lookups);
@@ -3729,7 +4353,8 @@ struct GSUBGPOS
   }
 
   void prune_langsys (const hb_map_t *duplicate_feature_map,
-                      hb_hashmap_t<unsigned, hb_set_t *> *script_langsys_map,
+                      const hb_set_t *layout_scripts,
+                      hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *script_langsys_map,
                       hb_set_t       *new_feature_indexes /* OUT */) const
   {
     hb_prune_langsys_context_t c (this, script_langsys_map, duplicate_feature_map, new_feature_indexes);
@@ -3737,124 +4362,16 @@ struct GSUBGPOS
     unsigned count = get_script_count ();
     for (unsigned script_index = 0; script_index < count; script_index++)
     {
+      const Tag& tag = get_script_tag (script_index);
+      if (!layout_scripts->has (tag)) continue;
       const Script& s = get_script (script_index);
       s.prune_langsys (&c, script_index);
     }
   }
 
-  template <typename TLookup>
-  bool subset (hb_subset_layout_context_t *c) const
-  {
-    TRACE_SUBSET (this);
-    auto *out = c->subset_context->serializer->embed (*this);
-    if (unlikely (!out)) return_trace (false);
-
-    typedef LookupOffsetList<TLookup> TLookupList;
-    reinterpret_cast<Offset16To<TLookupList> &> (out->lookupList)
-	.serialize_subset (c->subset_context,
-			   reinterpret_cast<const Offset16To<TLookupList> &> (lookupList),
-			   this,
-			   c);
-
-    reinterpret_cast<Offset16To<RecordListOfFeature> &> (out->featureList)
-	.serialize_subset (c->subset_context,
-			   reinterpret_cast<const Offset16To<RecordListOfFeature> &> (featureList),
-			   this,
-			   c);
-
-    out->scriptList.serialize_subset (c->subset_context,
-				      scriptList,
-				      this,
-				      c);
-
-#ifndef HB_NO_VAR
-    if (version.to_int () >= 0x00010001u)
-    {
-      bool ret = out->featureVars.serialize_subset (c->subset_context, featureVars, this, c);
-      if (!ret)
-      {
-	out->version.major = 1;
-	out->version.minor = 0;
-      }
-    }
-#endif
-
-    return_trace (true);
-  }
-
-  void find_duplicate_features (const hb_map_t *lookup_indices,
-                                const hb_set_t *feature_indices,
-                                hb_map_t *duplicate_feature_map /* OUT */) const
-  {
-    if (feature_indices->is_empty ()) return;
-    hb_hashmap_t<hb_tag_t, hb_set_t *> unique_features;
-    //find out duplicate features after subset
-    for (unsigned i : feature_indices->iter ())
-    {
-      hb_tag_t t = get_feature_tag (i);
-      if (t == HB_MAP_VALUE_INVALID) continue;
-      if (!unique_features.has (t))
-      {
-        hb_set_t* indices = hb_set_create ();
-        if (unlikely (indices == hb_set_get_empty () ||
-                      !unique_features.set (t, indices)))
-        {
-          hb_set_destroy (indices);
-          for (auto _ : unique_features.iter ())
-            hb_set_destroy (_.second);
-          return;
-        }
-        if (unique_features.get (t))
-          unique_features.get (t)->add (i);
-        duplicate_feature_map->set (i, i);
-        continue;
-      }
-
-      bool found = false;
-
-      hb_set_t* same_tag_features = unique_features.get (t);
-      for (unsigned other_f_index : same_tag_features->iter ())
-      {
-        const Feature& f = get_feature (i);
-        const Feature& other_f = get_feature (other_f_index);
-
-        auto f_iter =
-        + hb_iter (f.lookupIndex)
-        | hb_filter (lookup_indices)
-        ;
-
-        auto other_f_iter =
-        + hb_iter (other_f.lookupIndex)
-        | hb_filter (lookup_indices)
-        ;
-
-        bool is_equal = true;
-        for (; f_iter && other_f_iter; f_iter++, other_f_iter++)
-        {
-          unsigned a = *f_iter;
-          unsigned b = *other_f_iter;
-          if (a != b) { is_equal = false; break; }
-        }
-
-        if (is_equal == false || f_iter || other_f_iter) continue;
-
-        found = true;
-        duplicate_feature_map->set (i, other_f_index);
-        break;
-      }
-
-      if (found == false)
-      {
-        same_tag_features->add (i);
-        duplicate_feature_map->set (i, i);
-      }
-    }
-
-    for (auto _ : unique_features.iter ())
-      hb_set_destroy (_.second);
-  }
-
   void prune_features (const hb_map_t *lookup_indices, /* IN */
+		       const hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map, /* IN */
+		       const hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map, /* IN */
 		       hb_set_t       *feature_indices /* IN/OUT */) const
   {
 #ifndef HB_NO_VAR
@@ -3862,8 +4379,7 @@ struct GSUBGPOS
     // if the FeatureVariation's table and the alternate version(s) intersect the
     // set of lookup indices.
     hb_set_t alternate_feature_indices;
-    if (version.to_int () >= 0x00010001u)
-      (this+featureVars).closure_features (lookup_indices, &alternate_feature_indices);
+    get_feature_variations ().closure_features (lookup_indices, feature_record_cond_idx_map, &alternate_feature_indices);
     if (unlikely (alternate_feature_indices.in_error()))
     {
       feature_indices->err ();
@@ -3871,9 +4387,8 @@ struct GSUBGPOS
     }
 #endif
 
-    for (unsigned i : feature_indices->iter())
+    for (unsigned i : hb_iter (feature_indices))
     {
-      const Feature& f = get_feature (i);
       hb_tag_t tag =  get_feature_tag (i);
       if (tag == HB_TAG ('p', 'r', 'e', 'f'))
         // Note: Never ever drop feature 'pref', even if it's empty.
@@ -3883,11 +4398,16 @@ struct GSUBGPOS
         continue;
 
 
-      if (!f.featureParams.is_null () &&
+      const Feature *f = &(get_feature (i));
+      const Feature** p = nullptr;
+      if (feature_substitutes_map->has (i, &p))
+        f = *p;
+
+      if (!f->featureParams.is_null () &&
           tag == HB_TAG ('s', 'i', 'z', 'e'))
         continue;
 
-      if (!f.intersects_lookup_indexes (lookup_indices)
+      if (!f->intersects_lookup_indexes (lookup_indices)
 #ifndef HB_NO_VAR
           && !alternate_feature_indices.has (i)
 #endif
@@ -3896,32 +4416,6 @@ struct GSUBGPOS
     }
   }
 
-  unsigned int get_size () const
-  {
-    return min_size +
-	   (version.to_int () >= 0x00010001u ? featureVars.static_size : 0);
-  }
-
-  template <typename TLookup>
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    typedef List16OfOffset16To<TLookup> TLookupList;
-    if (unlikely (!(version.sanitize (c) &&
-		    likely (version.major == 1) &&
-		    scriptList.sanitize (c, this) &&
-		    featureList.sanitize (c, this) &&
-		    reinterpret_cast<const Offset16To<TLookupList> &> (lookupList).sanitize (c, this))))
-      return_trace (false);
-
-#ifndef HB_NO_VAR
-    if (unlikely (!(version.to_int () < 0x00010001u || featureVars.sanitize (c, this))))
-      return_trace (false);
-#endif
-
-    return_trace (true);
-  }
-
   template <typename T>
   struct accelerator_t
   {
@@ -3961,21 +4455,15 @@ struct GSUBGPOS
   };
 
   protected:
-  FixedVersion<>version;	/* Version of the GSUB/GPOS table--initially set
-				 * to 0x00010000u */
-  Offset16To<ScriptList>
-		scriptList;	/* ScriptList table */
-  Offset16To<FeatureList>
-		featureList;	/* FeatureList table */
-  Offset16To<LookupList>
-		lookupList;	/* LookupList table */
-  Offset32To<FeatureVariations>
-		featureVars;	/* Offset to Feature Variations
-				   table--from beginning of table
-				 * (may be NULL).  Introduced
-				 * in version 0x00010001. */
+  union {
+  FixedVersion<>			version;	/* Version identifier */
+  GSUBGPOSVersion1_2<SmallTypes>	version1;
+#ifndef HB_NO_BEYOND_64K
+  GSUBGPOSVersion1_2<MediumTypes>	version2;
+#endif
+  } u;
   public:
-  DEFINE_SIZE_MIN (10);
+  DEFINE_SIZE_MIN (4);
 };
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.cc
index f4ea21a4f9..e8091ec3e0 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.cc
@@ -46,7 +46,7 @@
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
-#include "hb-ot-layout-base-table.hh" // Just so we compile it; unused otherwise.
+#include "hb-ot-layout-base-table.hh"
 #include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
 #include "hb-ot-name-table.hh"
 #include "hb-ot-os2-table.hh"
@@ -54,7 +54,8 @@
 #include "hb-aat-layout-morx-table.hh"
 #include "hb-aat-layout-opbd-table.hh" // Just so we compile it; unused otherwise.
 
-using OT::Layout::GSUB::GSUB;
+using OT::Layout::GSUB;
+using OT::Layout::GPOS;
 
 /**
  * SECTION:hb-ot-layout
@@ -78,7 +79,7 @@ using OT::Layout::GSUB::GSUB;
  * Tests whether a face includes any kerning data in the 'kern' table.
  * Does NOT test for kerning lookups in the GPOS table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 bool
@@ -94,7 +95,7 @@ hb_ot_layout_has_kerning (hb_face_t *face)
  * Tests whether a face includes any state-machine kerning in the 'kern' table.
  * Does NOT examine the GPOS table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 bool
@@ -114,7 +115,7 @@ hb_ot_layout_has_machine_kerning (hb_face_t *face)
  *
  * Does NOT examine the GPOS table.
  *
- * Return value: %true is data found, %false otherwise
+ * Return value: `true` is data found, `false` otherwise
  *
  **/
 bool
@@ -260,7 +261,6 @@ _hb_ot_layout_set_glyph_props (hb_font_t *font,
   {
     _hb_glyph_info_set_glyph_props (&buffer->info[i], gdef.get_glyph_props (buffer->info[i].codepoint));
     _hb_glyph_info_clear_lig_props (&buffer->info[i]);
-    buffer->info[i].syllable() = 0;
   }
 }
 
@@ -272,7 +272,7 @@ _hb_ot_layout_set_glyph_props (hb_font_t *font,
  *
  * Tests whether a face has any glyph classes defined in its GDEF table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  **/
 hb_bool_t
@@ -401,7 +401,7 @@ GSUB::is_blocklisted (hb_blob_t *blob HB_UNUSED,
 }
 
 bool
-OT::GPOS::is_blocklisted (hb_blob_t *blob HB_UNUSED,
+GPOS::is_blocklisted (hb_blob_t *blob HB_UNUSED,
 			  hb_face_t *face HB_UNUSED) const
 {
 #ifdef HB_NO_OT_LAYOUT_BLOCKLIST
@@ -461,7 +461,7 @@ hb_ot_layout_table_get_script_tags (hb_face_t    *face,
  * Fetches the index if a given script tag in the specified face's GSUB table
  * or GPOS table.
  *
- * Return value: %true if the script is found, %false otherwise
+ * Return value: `true` if the script is found, `false` otherwise
  *
  **/
 hb_bool_t
@@ -535,7 +535,7 @@ hb_ot_layout_table_choose_script (hb_face_t      *face,
  * #HB_OT_LAYOUT_NO_SCRIPT_INDEX.
  *
  * Return value:
- * %true if one of the requested scripts is selected, %false if a fallback
+ * `true` if one of the requested scripts is selected, `false` if a fallback
  * script is selected or if no scripts are selected.
  *
  * Since: 2.0.0
@@ -601,9 +601,13 @@ hb_ot_layout_table_select_script (hb_face_t      *face,
  * @feature_tags: (out) (array length=feature_count): Array of feature tags found in the table
  *
  * Fetches a list of all feature tags in the given face's GSUB or GPOS table.
+ * Note that there might be duplicate feature tags, belonging to different
+ * script/language-system pairs of the table.
  *
  * Return value: Total number of feature tags.
  *
+ * Since: 0.6.0
+ *
  **/
 unsigned int
 hb_ot_layout_table_get_feature_tags (hb_face_t    *face,
@@ -628,7 +632,10 @@ hb_ot_layout_table_get_feature_tags (hb_face_t    *face,
  * Fetches the index for a given feature tag in the specified face's GSUB table
  * or GPOS table.
  *
- * Return value: %true if the feature is found, %false otherwise
+ * Return value: `true` if the feature is found, `false` otherwise
+ *
+ * Since: 0.6.0
+ *
  **/
 bool
 hb_ot_layout_table_find_feature (hb_face_t    *face,
@@ -668,6 +675,8 @@ hb_ot_layout_table_find_feature (hb_face_t    *face,
  *
  * Return value: Total number of language tags.
  *
+ * Since: 0.6.0
+ *
  **/
 unsigned int
 hb_ot_layout_script_get_language_tags (hb_face_t    *face,
@@ -695,7 +704,7 @@ hb_ot_layout_script_get_language_tags (hb_face_t    *face,
  * Fetches the index of a given language tag in the specified face's GSUB table
  * or GPOS table, underneath the specified script tag.
  *
- * Return value: %true if the language tag is found, %false otherwise
+ * Return value: `true` if the language tag is found, `false` otherwise
  *
  * Since: 0.6.0
  * Deprecated: 2.0.0
@@ -730,10 +739,10 @@ hb_ot_layout_script_find_language (hb_face_t    *face,
  * in the specified face's GSUB or GPOS table, underneath the specified script
  * index.
  *
- * If none of the given language tags is found, %false is returned and
+ * If none of the given language tags is found, `false` is returned and
  * @language_index is set to the default language index.
  *
- * Return value: %true if one of the given language tags is found, %false otherwise
+ * Return value: `true` if one of the given language tags is found, `false` otherwise
  *
  * Since: 2.0.0
  **/
@@ -776,7 +785,9 @@ hb_ot_layout_script_select_language (hb_face_t      *face,
  * Fetches the index of a requested feature in the given face's GSUB or GPOS table,
  * underneath the specified script and language.
  *
- * Return value: %true if the feature is found, %false otherwise
+ * Return value: `true` if the feature is found, `false` otherwise
+ *
+ * Since: 0.6.0
  *
  **/
 hb_bool_t
@@ -807,7 +818,7 @@ hb_ot_layout_language_get_required_feature_index (hb_face_t    *face,
  * Fetches the tag of a requested feature index in the given face's GSUB or GPOS table,
  * underneath the specified script and language.
  *
- * Return value: %true if the feature is found, %false otherwise
+ * Return value: `true` if the feature is found, `false` otherwise
  *
  * Since: 0.9.30
  **/
@@ -846,6 +857,9 @@ hb_ot_layout_language_get_required_feature (hb_face_t    *face,
  * returned will begin at the offset provided.
  *
  * Return value: Total number of features.
+ *
+ * Since: 0.6.0
+ *
  **/
 unsigned int
 hb_ot_layout_language_get_feature_indexes (hb_face_t    *face,
@@ -879,6 +893,9 @@ hb_ot_layout_language_get_feature_indexes (hb_face_t    *face,
  * returned will begin at the offset provided.
  *
  * Return value: Total number of feature tags.
+ *
+ * Since: 0.6.0
+ *
  **/
 unsigned int
 hb_ot_layout_language_get_feature_tags (hb_face_t    *face,
@@ -917,7 +934,9 @@ hb_ot_layout_language_get_feature_tags (hb_face_t    *face,
  * Fetches the index of a given feature tag in the specified face's GSUB table
  * or GPOS table, underneath the specified script and language.
  *
- * Return value: %true if the feature is found, %false otherwise
+ * Return value: `true` if the feature is found, `false` otherwise
+ *
+ * Since: 0.6.0
  *
  **/
 hb_bool_t
@@ -1167,9 +1186,12 @@ script_collect_features (hb_collect_features_context_t *c,
  * hb_ot_layout_collect_features:
  * @face: #hb_face_t to work upon
  * @table_tag: #HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS
- * @scripts: The array of scripts to collect features for
- * @languages: The array of languages to collect features for
- * @features: The array of features to collect
+ * @scripts: (nullable) (array zero-terminated=1): The array of scripts to collect features for,
+ *   terminated by %HB_TAG_NONE
+ * @languages: (nullable) (array zero-terminated=1): The array of languages to collect features for,
+ *   terminated by %HB_TAG_NONE
+ * @features: (nullable) (array zero-terminated=1): The array of features to collect,
+ *   terminated by %HB_TAG_NONE
  * @feature_indexes: (out): The array of feature indexes found for the query
  *
  * Fetches a list of all feature indexes in the specified face's GSUB table
@@ -1216,9 +1238,12 @@ hb_ot_layout_collect_features (hb_face_t      *face,
  * hb_ot_layout_collect_lookups:
  * @face: #hb_face_t to work upon
  * @table_tag: #HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS
- * @scripts: The array of scripts to collect lookups for
- * @languages: The array of languages to collect lookups for
- * @features: The array of features to collect lookups for
+ * @scripts: (nullable) (array zero-terminated=1): The array of scripts to collect lookups for,
+ *   terminated by %HB_TAG_NONE
+ * @languages: (nullable) (array zero-terminated=1): The array of languages to collect lookups for,
+ *   terminated by %HB_TAG_NONE
+ * @features: (nullable) (array zero-terminated=1): The array of features to collect lookups for,
+ *   terminated by %HB_TAG_NONE
  * @lookup_indexes: (out): The array of lookup indexes found for the query
  *
  * Fetches a list of all feature-lookup indexes in the specified face's GSUB
@@ -1246,7 +1271,7 @@ hb_ot_layout_collect_lookups (hb_face_t      *face,
        hb_set_next (&feature_indexes, &feature_index);)
     g.get_feature (feature_index).add_lookup_indexes_to (lookup_indexes);
 
-  g.feature_variation_collect_lookups (&feature_indexes, lookup_indexes);
+  g.feature_variation_collect_lookups (&feature_indexes, nullptr, lookup_indexes);
 }
 
 
@@ -1314,7 +1339,9 @@ hb_ot_layout_lookup_collect_glyphs (hb_face_t    *face,
  * Fetches a list of feature variations in the specified face's GSUB table
  * or GPOS table, at the specified variation coordinates.
  *
- * Return value: %true if feature variations were found, %false otherwise.
+ * Return value: `true` if feature variations were found, `false` otherwise.
+ *
+ * Since: 1.4.0
  *
  **/
 hb_bool_t
@@ -1347,6 +1374,8 @@ hb_ot_layout_table_find_feature_variations (hb_face_t    *face,
  *
  * Return value: Total number of lookups.
  *
+ * Since: 1.4.0
+ *
  **/
 unsigned int
 hb_ot_layout_feature_with_variations_get_lookups (hb_face_t    *face,
@@ -1377,7 +1406,9 @@ hb_ot_layout_feature_with_variations_get_lookups (hb_face_t    *face,
  *
  * Tests whether the specified face includes any GSUB substitutions.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
+ *
+ * Since: 0.6.0
  *
  **/
 hb_bool_t
@@ -1399,7 +1430,7 @@ hb_ot_layout_has_substitution (hb_face_t *face)
  * Tests whether a specified lookup in the specified face would
  * trigger a substitution on the given glyph sequence.
  *
- * Return value: %true if a substitution would be triggered, %false otherwise
+ * Return value: `true` if a substitution would be triggered, `false` otherwise
  *
  * Since: 0.9.7
  **/
@@ -1434,56 +1465,6 @@ hb_ot_layout_substitute_start (hb_font_t    *font,
   _hb_ot_layout_set_glyph_props (font, buffer);
 }
 
-void
-hb_ot_layout_delete_glyphs_inplace (hb_buffer_t *buffer,
-				    bool (*filter) (const hb_glyph_info_t *info))
-{
-  /* Merge clusters and delete filtered glyphs.
-   * NOTE! We can't use out-buffer as we have positioning data. */
-  unsigned int j = 0;
-  unsigned int count = buffer->len;
-  hb_glyph_info_t *info = buffer->info;
-  hb_glyph_position_t *pos = buffer->pos;
-  for (unsigned int i = 0; i < count; i++)
-  {
-    if (filter (&info[i]))
-    {
-      /* Merge clusters.
-       * Same logic as buffer->delete_glyph(), but for in-place removal. */
-
-      unsigned int cluster = info[i].cluster;
-      if (i + 1 < count && cluster == info[i + 1].cluster)
-	continue; /* Cluster survives; do nothing. */
-
-      if (j)
-      {
-	/* Merge cluster backward. */
-	if (cluster < info[j - 1].cluster)
-	{
-	  unsigned int mask = info[i].mask;
-	  unsigned int old_cluster = info[j - 1].cluster;
-	  for (unsigned k = j; k && info[k - 1].cluster == old_cluster; k--)
-	    buffer->set_cluster (info[k - 1], cluster, mask);
-	}
-	continue;
-      }
-
-      if (i + 1 < count)
-	buffer->merge_clusters (i, i + 2); /* Merge cluster forward. */
-
-      continue;
-    }
-
-    if (j != i)
-    {
-      info[j] = info[i];
-      pos[j] = pos[i];
-    }
-    j++;
-  }
-  buffer->len = j;
-}
-
 /**
  * hb_ot_layout_lookup_substitute_closure:
  * @face: #hb_face_t to work upon
@@ -1501,15 +1482,12 @@ hb_ot_layout_lookup_substitute_closure (hb_face_t    *face,
 					hb_set_t     *glyphs /* OUT */)
 {
   hb_map_t done_lookups_glyph_count;
-  hb_hashmap_t<unsigned, hb_set_t *> done_lookups_glyph_set;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> done_lookups_glyph_set;
   OT::hb_closure_context_t c (face, glyphs, &done_lookups_glyph_count, &done_lookups_glyph_set);
 
   const OT::SubstLookup& l = face->table.GSUB->table->get_lookup (lookup_index);
 
   l.closure (&c, lookup_index);
-
-  for (auto _ : done_lookups_glyph_set.iter ())
-    hb_set_destroy (_.second);
 }
 
 /**
@@ -1529,7 +1507,7 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t      *face,
 					 hb_set_t       *glyphs /* OUT */)
 {
   hb_map_t done_lookups_glyph_count;
-  hb_hashmap_t<unsigned, hb_set_t *> done_lookups_glyph_set;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> done_lookups_glyph_set;
   OT::hb_closure_context_t c (face, glyphs, &done_lookups_glyph_count, &done_lookups_glyph_set);
   const GSUB& gsub = *face->table.GSUB->table;
 
@@ -1551,13 +1529,10 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t      *face,
     }
   } while (iteration_count++ <= HB_CLOSURE_MAX_STAGES &&
 	   glyphs_length != glyphs->get_population ());
-
-  for (auto _ : done_lookups_glyph_set.iter ())
-    hb_set_destroy (_.second);
 }
 
 /*
- * OT::GPOS
+ * GPOS
  */
 
 
@@ -1567,7 +1542,7 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t      *face,
  *
  * Tests whether the specified face includes any GPOS positioning.
  *
- * Return value: %true if the face has GPOS data, %false otherwise
+ * Return value: `true` if the face has GPOS data, `false` otherwise
  *
  **/
 hb_bool_t
@@ -1588,7 +1563,7 @@ hb_ot_layout_has_positioning (hb_face_t *face)
 void
 hb_ot_layout_position_start (hb_font_t *font, hb_buffer_t *buffer)
 {
-  OT::GPOS::position_start (font, buffer);
+  GPOS::position_start (font, buffer);
 }
 
 
@@ -1603,7 +1578,7 @@ hb_ot_layout_position_start (hb_font_t *font, hb_buffer_t *buffer)
 void
 hb_ot_layout_position_finish_advances (hb_font_t *font, hb_buffer_t *buffer)
 {
-  OT::GPOS::position_finish_advances (font, buffer);
+  GPOS::position_finish_advances (font, buffer);
 }
 
 /**
@@ -1617,7 +1592,7 @@ hb_ot_layout_position_finish_advances (hb_font_t *font, hb_buffer_t *buffer)
 void
 hb_ot_layout_position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
 {
-  OT::GPOS::position_finish_offsets (font, buffer);
+  GPOS::position_finish_offsets (font, buffer);
 }
 
 
@@ -1640,7 +1615,7 @@ hb_ot_layout_position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer)
  * For more information on this distinction, see the [`size` feature documentation](
  * https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#tag-size).
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 0.9.10
  **/
@@ -1652,7 +1627,7 @@ hb_ot_layout_get_size_params (hb_face_t       *face,
 			      unsigned int    *range_start,       /* OUT.  May be NULL */
 			      unsigned int    *range_end          /* OUT.  May be NULL */)
 {
-  const OT::GPOS &gpos = *face->table.GPOS->table;
+  const GPOS &gpos = *face->table.GPOS->table;
   const hb_tag_t tag = HB_TAG ('s','i','z','e');
 
   unsigned int num_features = gpos.get_feature_count ();
@@ -1684,6 +1659,8 @@ hb_ot_layout_get_size_params (hb_face_t       *face,
 
   return false;
 }
+
+
 /**
  * hb_ot_layout_feature_get_name_ids:
  * @face: #hb_face_t to work upon
@@ -1704,7 +1681,7 @@ hb_ot_layout_get_size_params (hb_face_t       *face,
  * Fetches name indices from feature parameters for "Stylistic Set" ('ssXX') or
  * "Character Variant" ('cvXX') features.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.0.0
  **/
@@ -1803,7 +1780,7 @@ hb_ot_layout_feature_get_characters (hb_face_t      *face,
 struct GSUBProxy
 {
   static constexpr unsigned table_index = 0u;
-  static constexpr bool inplace = false;
+  static constexpr bool always_inplace = false;
   typedef OT::SubstLookup Lookup;
 
   GSUBProxy (hb_face_t *face) :
@@ -1817,14 +1794,14 @@ struct GSUBProxy
 struct GPOSProxy
 {
   static constexpr unsigned table_index = 1u;
-  static constexpr bool inplace = true;
+  static constexpr bool always_inplace = true;
   typedef OT::PosLookup Lookup;
 
   GPOSProxy (hb_face_t *face) :
     table (*face->table.GPOS->table),
     accels (face->table.GPOS->accels) {}
 
-  const OT::GPOS &table;
+  const GPOS &table;
   const OT::hb_ot_layout_lookup_accelerator_t *accels;
 };
 
@@ -1833,16 +1810,18 @@ static inline bool
 apply_forward (OT::hb_ot_apply_context_t *c,
 	       const OT::hb_ot_layout_lookup_accelerator_t &accel)
 {
+  bool use_cache = accel.cache_enter (c);
+
   bool ret = false;
   hb_buffer_t *buffer = c->buffer;
   while (buffer->idx < buffer->len && buffer->successful)
   {
     bool applied = false;
-    if (accel.may_have (buffer->cur().codepoint) &&
+    if (accel.digest.may_have (buffer->cur().codepoint) &&
 	(buffer->cur().mask & c->lookup_mask) &&
 	c->check_glyph_property (&buffer->cur(), c->lookup_props))
      {
-       applied = accel.apply (c);
+       applied = accel.apply (c, use_cache);
      }
 
     if (applied)
@@ -1850,6 +1829,10 @@ apply_forward (OT::hb_ot_apply_context_t *c,
     else
       (void) buffer->next_glyph ();
   }
+
+  if (use_cache)
+    accel.cache_leave (c);
+
   return ret;
 }
 
@@ -1861,10 +1844,10 @@ apply_backward (OT::hb_ot_apply_context_t *c,
   hb_buffer_t *buffer = c->buffer;
   do
   {
-    if (accel.may_have (buffer->cur().codepoint) &&
+    if (accel.digest.may_have (buffer->cur().codepoint) &&
 	(buffer->cur().mask & c->lookup_mask) &&
 	c->check_glyph_property (&buffer->cur(), c->lookup_props))
-     ret |= accel.apply (c);
+     ret |= accel.apply (c, false);
 
     /* The reverse lookup doesn't "advance" cursor (for good reason). */
     buffer->idx--;
@@ -1875,28 +1858,29 @@ apply_backward (OT::hb_ot_apply_context_t *c,
 }
 
 template <typename Proxy>
-static inline void
+static inline bool
 apply_string (OT::hb_ot_apply_context_t *c,
 	      const typename Proxy::Lookup &lookup,
 	      const OT::hb_ot_layout_lookup_accelerator_t &accel)
 {
+  bool ret = false;
   hb_buffer_t *buffer = c->buffer;
 
   if (unlikely (!buffer->len || !c->lookup_mask))
-    return;
+    return ret;
 
   c->set_lookup_props (lookup.get_props ());
 
   if (likely (!lookup.is_reverse ()))
   {
     /* in/out forward substitution/positioning */
-    if (!Proxy::inplace)
+    if (!Proxy::always_inplace)
       buffer->clear_output ();
 
     buffer->idx = 0;
-    apply_forward (c, accel);
+    ret = apply_forward (c, accel);
 
-    if (!Proxy::inplace)
+    if (!Proxy::always_inplace)
       buffer->sync ();
   }
   else
@@ -1904,8 +1888,10 @@ apply_string (OT::hb_ot_apply_context_t *c,
     /* in-place backward substitution/positioning */
     assert (!buffer->have_output);
     buffer->idx = buffer->len - 1;
-    apply_backward (c, accel);
+    ret = apply_backward (c, accel);
   }
+
+  return ret;
 }
 
 template <typename Proxy>
@@ -1917,30 +1903,49 @@ inline void hb_ot_map_t::apply (const Proxy &proxy,
   const unsigned int table_index = proxy.table_index;
   unsigned int i = 0;
   OT::hb_ot_apply_context_t c (table_index, font, buffer);
-  c.set_recurse_func (Proxy::Lookup::apply_recurse_func);
+  c.set_recurse_func (Proxy::Lookup::template dispatch_recurse_func<OT::hb_ot_apply_context_t>);
 
   for (unsigned int stage_index = 0; stage_index < stages[table_index].length; stage_index++)
   {
     const stage_map_t *stage = &stages[table_index][stage_index];
     for (; i < stage->last_lookup; i++)
     {
-      unsigned int lookup_index = lookups[table_index][i].index;
-      if (!buffer->message (font, "start lookup %d", lookup_index)) continue;
-      c.set_lookup_index (lookup_index);
-      c.set_lookup_mask (lookups[table_index][i].mask);
-      c.set_auto_zwj (lookups[table_index][i].auto_zwj);
-      c.set_auto_zwnj (lookups[table_index][i].auto_zwnj);
-      c.set_random (lookups[table_index][i].random);
-      c.set_per_syllable (lookups[table_index][i].per_syllable);
-
-      apply_string<Proxy> (&c,
-			   proxy.table.get_lookup (lookup_index),
-			   proxy.accels[lookup_index]);
-      (void) buffer->message (font, "end lookup %d", lookup_index);
+      auto &lookup = lookups[table_index][i];
+
+      unsigned int lookup_index = lookup.index;
+      if (!buffer->message (font, "start lookup %d feature '%c%c%c%c'", lookup_index, HB_UNTAG (lookup.feature_tag))) continue;
+
+      /* c.digest is a digest of all the current glyphs in the buffer
+       * (plus some past glyphs).
+       *
+       * Only try applying the lookup if there is any overlap. */
+      if (proxy.accels[lookup_index].digest.may_have (c.digest))
+      {
+	c.set_lookup_index (lookup_index);
+	c.set_lookup_mask (lookup.mask);
+	c.set_auto_zwj (lookup.auto_zwj);
+	c.set_auto_zwnj (lookup.auto_zwnj);
+	c.set_random (lookup.random);
+	c.set_per_syllable (lookup.per_syllable);
+
+	apply_string<Proxy> (&c,
+			     proxy.table.get_lookup (lookup_index),
+			     proxy.accels[lookup_index]);
+      }
+      else
+	(void) buffer->message (font, "skipped lookup %d feature '%c%c%c%c' because no glyph matches", lookup_index, HB_UNTAG (lookup.feature_tag));
+
+      (void) buffer->message (font, "end lookup %d feature '%c%c%c%c'", lookup_index, HB_UNTAG (lookup.feature_tag));
     }
 
     if (stage->pause_func)
-      stage->pause_func (plan, font, buffer);
+    {
+      if (stage->pause_func (plan, font, buffer))
+      {
+	/* Refresh working buffer digest since buffer changed. */
+	c.digest = buffer->digest ();
+      }
+    }
   }
 }
 
@@ -2051,7 +2056,7 @@ hb_ot_layout_get_horizontal_baseline_tag_for_script (hb_script_t script)
  *
  * Fetches a baseline value from the face.
  *
- * Return value: %true if found baseline value in the font.
+ * Return value: `true` if found baseline value in the font.
  *
  * Since: 2.6.0
  **/
@@ -2297,11 +2302,6 @@ struct hb_get_glyph_alternates_dispatch_t :
   static return_t default_return_value () { return 0; }
   bool stop_sublookup_iteration (return_t r) const { return r; }
 
-  hb_face_t *face;
-
-  hb_get_glyph_alternates_dispatch_t (hb_face_t *face) :
-					face (face) {}
-
   private:
   template <typename T, typename ...Ts> auto
   _dispatch (const T &obj, hb_priority<1>, Ts&&... ds) HB_AUTO_RETURN
@@ -2315,6 +2315,7 @@ struct hb_get_glyph_alternates_dispatch_t :
   ( _dispatch (obj, hb_prioritize, std::forward<Ts> (ds)...) )
 };
 
+#ifndef HB_NO_LAYOUT_RARELY_USED
 /**
  * hb_ot_layout_lookup_get_glyph_alternates:
  * @face: a face.
@@ -2340,11 +2341,79 @@ hb_ot_layout_lookup_get_glyph_alternates (hb_face_t      *face,
 					  unsigned       *alternate_count  /* IN/OUT.  May be NULL. */,
 					  hb_codepoint_t *alternate_glyphs /* OUT.     May be NULL. */)
 {
-  hb_get_glyph_alternates_dispatch_t c (face);
+  hb_get_glyph_alternates_dispatch_t c;
   const OT::SubstLookup &lookup = face->table.GSUB->table->get_lookup (lookup_index);
   auto ret = lookup.dispatch (&c, glyph, start_offset, alternate_count, alternate_glyphs);
   if (!ret && alternate_count) *alternate_count = 0;
   return ret;
 }
 
+
+struct hb_position_single_dispatch_t :
+       hb_dispatch_context_t<hb_position_single_dispatch_t, bool>
+{
+  static return_t default_return_value () { return false; }
+  bool stop_sublookup_iteration (return_t r) const { return r; }
+
+  private:
+  template <typename T, typename ...Ts> auto
+  _dispatch (const T &obj, hb_priority<1>, Ts&&... ds) HB_AUTO_RETURN
+  ( obj.position_single (std::forward<Ts> (ds)...) )
+  template <typename T, typename ...Ts> auto
+  _dispatch (const T &obj, hb_priority<0>, Ts&&... ds) HB_AUTO_RETURN
+  ( default_return_value () )
+  public:
+  template <typename T, typename ...Ts> auto
+  dispatch (const T &obj, Ts&&... ds) HB_AUTO_RETURN
+  ( _dispatch (obj, hb_prioritize, std::forward<Ts> (ds)...) )
+};
+
+/**
+ * hb_ot_layout_lookup_get_optical_bound:
+ * @font: a font.
+ * @lookup_index: index of the feature lookup to query.
+ * @direction: edge of the glyph to query.
+ * @glyph: a glyph id.
+ *
+ * Fetches the optical bound of a glyph positioned at the margin of text.
+ * The direction identifies which edge of the glyph to query.
+ *
+ * Return value: Adjustment value. Negative values mean the glyph will stick out of the margin.
+ *
+ * Since: 5.3.0
+ **/
+hb_position_t
+hb_ot_layout_lookup_get_optical_bound (hb_font_t      *font,
+				       unsigned        lookup_index,
+				       hb_direction_t  direction,
+				       hb_codepoint_t  glyph)
+{
+  const OT::PosLookup &lookup = font->face->table.GPOS->table->get_lookup (lookup_index);
+  hb_glyph_position_t pos = {0};
+  hb_position_single_dispatch_t c;
+  lookup.dispatch (&c, font, direction, glyph, pos);
+  hb_position_t ret = 0;
+  switch (direction)
+  {
+    case HB_DIRECTION_LTR:
+      ret = pos.x_offset;
+      break;
+    case HB_DIRECTION_RTL:
+      ret = pos.x_advance - pos.x_offset;
+      break;
+    case HB_DIRECTION_TTB:
+      ret = pos.y_offset;
+      break;
+    case HB_DIRECTION_BTT:
+      ret = pos.y_advance - pos.y_offset;
+      break;
+    case HB_DIRECTION_INVALID:
+    default:
+      break;
+  }
+  return ret;
+}
+#endif
+
+
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
index 4edddd9e0d..f7b488f870 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.h
@@ -403,6 +403,16 @@ hb_ot_layout_get_size_params (hb_face_t       *face,
 			      unsigned int    *range_start,       /* OUT.  May be NULL */
 			      unsigned int    *range_end          /* OUT.  May be NULL */);
 
+HB_EXTERN hb_position_t
+hb_ot_layout_lookup_get_optical_bound (hb_font_t      *font,
+				       unsigned        lookup_index,
+				       hb_direction_t  direction,
+				       hb_codepoint_t  glyph);
+
+
+/*
+ * GSUB/GPOS
+ */
 
 HB_EXTERN hb_bool_t
 hb_ot_layout_feature_get_name_ids (hb_face_t       *face,
@@ -423,6 +433,7 @@ hb_ot_layout_feature_get_characters (hb_face_t      *face,
 				     unsigned int   *char_count    /* IN/OUT.  May be NULL */,
 				     hb_codepoint_t *characters    /* OUT.     May be NULL */);
 
+
 /*
  * BASE
  */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.hh
index 75bba0bc50..9505d5f147 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout.hh
@@ -102,15 +102,11 @@ HB_INTERNAL void
 hb_ot_layout_substitute_start (hb_font_t    *font,
 			       hb_buffer_t  *buffer);
 
-HB_INTERNAL void
-hb_ot_layout_delete_glyphs_inplace (hb_buffer_t *buffer,
-				    bool (*filter) (const hb_glyph_info_t *info));
-
 namespace OT {
   struct hb_ot_apply_context_t;
   struct hb_ot_layout_lookup_accelerator_t;
 namespace Layout {
-namespace GSUB {
+namespace GSUB_impl {
   struct SubstLookup;
 }
 }
@@ -118,7 +114,7 @@ namespace GSUB {
 
 HB_INTERNAL void
 hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
-				const OT::Layout::GSUB::SubstLookup &lookup,
+				const OT::Layout::GSUB_impl::SubstLookup &lookup,
 				const OT::hb_ot_layout_lookup_accelerator_t &accel);
 
 
@@ -552,7 +548,7 @@ _hb_glyph_info_clear_substituted (hb_glyph_info_t *info)
   info->glyph_props() &= ~(HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED);
 }
 
-static inline void
+static inline bool
 _hb_clear_substitution_flags (const hb_ot_shape_plan_t *plan HB_UNUSED,
 			      hb_font_t *font HB_UNUSED,
 			      hb_buffer_t *buffer)
@@ -561,6 +557,7 @@ _hb_clear_substitution_flags (const hb_ot_shape_plan_t *plan HB_UNUSED,
   unsigned int count = buffer->len;
   for (unsigned int i = 0; i < count; i++)
     _hb_glyph_info_clear_substituted (&info[i]);
+  return false;
 }
 
 
@@ -589,13 +586,11 @@ _hb_buffer_allocate_gsubgpos_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_ALLOCATE_VAR (buffer, glyph_props);
   HB_BUFFER_ALLOCATE_VAR (buffer, lig_props);
-  HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
 }
 
 static inline void
 _hb_buffer_deallocate_gsubgpos_vars (hb_buffer_t *buffer)
 {
-  HB_BUFFER_DEALLOCATE_VAR (buffer, syllable);
   HB_BUFFER_DEALLOCATE_VAR (buffer, lig_props);
   HB_BUFFER_DEALLOCATE_VAR (buffer, glyph_props);
 }
@@ -605,7 +600,6 @@ _hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
 {
   HB_BUFFER_ASSERT_VAR (buffer, glyph_props);
   HB_BUFFER_ASSERT_VAR (buffer, lig_props);
-  HB_BUFFER_ASSERT_VAR (buffer, syllable);
 }
 
 /* Make sure no one directly touches our props... */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-map.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-map.cc
index f085c78ff8..8882dbaccb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-map.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-map.cc
@@ -43,16 +43,16 @@ void hb_ot_map_t::collect_lookups (unsigned int table_index, hb_set_t *lookups_o
 
 
 hb_ot_map_builder_t::hb_ot_map_builder_t (hb_face_t *face_,
-					  const hb_segment_properties_t *props_)
+					  const hb_segment_properties_t &props_)
 {
-  memset (this, 0, sizeof (*this));
+  hb_memset (this, 0, sizeof (*this));
 
   feature_infos.init ();
   for (unsigned int table_index = 0; table_index < 2; table_index++)
     stages[table_index].init ();
 
   face = face_;
-  props = *props_;
+  props = props_;
 
   /* Fetch script/language indices for GSUB/GPOS.  We need these later to skip
    * features not available in either table and not waste precious bits for them. */
@@ -109,6 +109,21 @@ void hb_ot_map_builder_t::add_feature (hb_tag_t tag,
   info->stage[1] = current_stage[1];
 }
 
+bool hb_ot_map_builder_t::has_feature (hb_tag_t tag)
+{
+  for (unsigned int table_index = 0; table_index < 2; table_index++)
+  {
+    if (hb_ot_layout_language_find_feature (face,
+					    table_tags[table_index],
+					    script_index[table_index],
+					    language_index[table_index],
+					    tag,
+					    nullptr))
+      return true;
+  }
+  return false;
+}
+
 void
 hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
 				  unsigned int  table_index,
@@ -118,7 +133,8 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
 				  bool          auto_zwnj,
 				  bool          auto_zwj,
 				  bool          random,
-				  bool          per_syllable)
+				  bool          per_syllable,
+				  hb_tag_t      feature_tag)
 {
   unsigned int lookup_indices[32];
   unsigned int offset, len;
@@ -147,6 +163,7 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t  &m,
       lookup->auto_zwj = auto_zwj;
       lookup->random = random;
       lookup->per_syllable = per_syllable;
+      lookup->feature_tag = feature_tag;
     }
 
     offset += len;
@@ -197,24 +214,26 @@ hb_ot_map_builder_t::compile (hb_ot_map_t                  &m,
   if (feature_infos.length)
   {
     feature_infos.qsort ();
+    auto *f = feature_infos.arrayZ;
     unsigned int j = 0;
-    for (unsigned int i = 1; i < feature_infos.length; i++)
-      if (feature_infos[i].tag != feature_infos[j].tag)
-	feature_infos[++j] = feature_infos[i];
+    unsigned count = feature_infos.length;
+    for (unsigned int i = 1; i < count; i++)
+      if (f[i].tag != f[j].tag)
+	f[++j] = f[i];
       else {
-	if (feature_infos[i].flags & F_GLOBAL) {
-	  feature_infos[j].flags |= F_GLOBAL;
-	  feature_infos[j].max_value = feature_infos[i].max_value;
-	  feature_infos[j].default_value = feature_infos[i].default_value;
+	if (f[i].flags & F_GLOBAL) {
+	  f[j].flags |= F_GLOBAL;
+	  f[j].max_value = f[i].max_value;
+	  f[j].default_value = f[i].default_value;
 	} else {
-	  if (feature_infos[j].flags & F_GLOBAL)
-	    feature_infos[j].flags ^= F_GLOBAL;
-	  feature_infos[j].max_value = hb_max (feature_infos[j].max_value, feature_infos[i].max_value);
+	  if (f[j].flags & F_GLOBAL)
+	    f[j].flags ^= F_GLOBAL;
+	  f[j].max_value = hb_max (f[j].max_value, f[i].max_value);
 	  /* Inherit default_value from j */
 	}
-	feature_infos[j].flags |= (feature_infos[i].flags & F_HAS_FALLBACK);
-	feature_infos[j].stage[0] = hb_min (feature_infos[j].stage[0], feature_infos[i].stage[0]);
-	feature_infos[j].stage[1] = hb_min (feature_infos[j].stage[1], feature_infos[i].stage[1]);
+	f[j].flags |= (f[i].flags & F_HAS_FALLBACK);
+	f[j].stage[0] = hb_min (f[j].stage[0], f[i].stage[0]);
+	f[j].stage[1] = hb_min (f[j].stage[1], f[i].stage[1]);
       }
     feature_infos.shrink (j + 1);
   }
@@ -224,7 +243,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t                  &m,
   static_assert ((!(HB_GLYPH_FLAG_DEFINED & (HB_GLYPH_FLAG_DEFINED + 1))), "");
   unsigned int next_bit = hb_popcount (HB_GLYPH_FLAG_DEFINED) + 1;
 
-  for (unsigned int i = 0; i < feature_infos.length; i++)
+  unsigned count = feature_infos.length;
+  for (unsigned int i = 0; i < count; i++)
   {
     const feature_info_t *info = &feature_infos[i];
 
@@ -293,7 +313,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t                  &m,
     map->_1_mask = (1u << map->shift) & map->mask;
     map->needs_fallback = !found;
   }
-  feature_infos.shrink (0); /* Done with these */
+  //feature_infos.shrink (0); /* Done with these */
 
 
   add_gsub_pause (nullptr);
@@ -302,6 +322,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t                  &m,
   for (unsigned int table_index = 0; table_index < 2; table_index++)
   {
     /* Collect lookup indices for features */
+    auto &lookups = m.lookups[table_index];
 
     unsigned int stage_index = 0;
     unsigned int last_num_lookups = 0;
@@ -314,36 +335,39 @@ hb_ot_map_builder_t::compile (hb_ot_map_t                  &m,
 		     key.variations_index[table_index],
 		     global_bit_mask);
 
-      for (unsigned i = 0; i < m.features.length; i++)
-	if (m.features[i].stage[table_index] == stage)
+      for (auto &feature : m.features)
+      {
+	if (feature.stage[table_index] == stage)
 	  add_lookups (m, table_index,
-		       m.features[i].index[table_index],
+		       feature.index[table_index],
 		       key.variations_index[table_index],
-		       m.features[i].mask,
-		       m.features[i].auto_zwnj,
-		       m.features[i].auto_zwj,
-		       m.features[i].random,
-		       m.features[i].per_syllable);
+		       feature.mask,
+		       feature.auto_zwnj,
+		       feature.auto_zwj,
+		       feature.random,
+		       feature.per_syllable,
+		       feature.tag);
+      }
 
       /* Sort lookups and merge duplicates */
-      if (last_num_lookups < m.lookups[table_index].length)
+      if (last_num_lookups < lookups.length)
       {
-	m.lookups[table_index].qsort (last_num_lookups, m.lookups[table_index].length);
+	lookups.as_array ().sub_array (last_num_lookups, lookups.length - last_num_lookups).qsort ();
 
 	unsigned int j = last_num_lookups;
-	for (unsigned int i = j + 1; i < m.lookups[table_index].length; i++)
-	  if (m.lookups[table_index][i].index != m.lookups[table_index][j].index)
-	    m.lookups[table_index][++j] = m.lookups[table_index][i];
+	for (unsigned int i = j + 1; i < lookups.length; i++)
+	  if (lookups.arrayZ[i].index != lookups.arrayZ[j].index)
+	    lookups.arrayZ[++j] = lookups.arrayZ[i];
 	  else
 	  {
-	    m.lookups[table_index][j].mask |= m.lookups[table_index][i].mask;
-	    m.lookups[table_index][j].auto_zwnj &= m.lookups[table_index][i].auto_zwnj;
-	    m.lookups[table_index][j].auto_zwj &= m.lookups[table_index][i].auto_zwj;
+	    lookups.arrayZ[j].mask |= lookups.arrayZ[i].mask;
+	    lookups.arrayZ[j].auto_zwnj &= lookups.arrayZ[i].auto_zwnj;
+	    lookups.arrayZ[j].auto_zwj &= lookups.arrayZ[i].auto_zwj;
 	  }
-	m.lookups[table_index].shrink (j + 1);
+	lookups.shrink (j + 1);
       }
 
-      last_num_lookups = m.lookups[table_index].length;
+      last_num_lookups = lookups.length;
 
       if (stage_index < stages[table_index].length && stages[table_index][stage_index].index == stage) {
 	hb_ot_map_t::stage_map_t *stage_map = m.stages[table_index].push ();
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-map.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-map.hh
index f1cbf752fc..efc8cae96a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-map.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-map.hh
@@ -69,6 +69,7 @@ struct hb_ot_map_t
     unsigned short random : 1;
     unsigned short per_syllable : 1;
     hb_mask_t mask;
+    hb_tag_t feature_tag;
 
     HB_INTERNAL static int cmp (const void *pa, const void *pb)
     {
@@ -78,7 +79,9 @@ struct hb_ot_map_t
     }
   };
 
-  typedef void (*pause_func_t) (const struct hb_ot_shape_plan_t *plan, hb_font_t *font, hb_buffer_t *buffer);
+  /* Pause functions return true if new glyph indices might have been
+   * added to the buffer.  This is used to update buffer digest. */
+  typedef bool (*pause_func_t) (const struct hb_ot_shape_plan_t *plan, hb_font_t *font, hb_buffer_t *buffer);
 
   struct stage_map_t {
     unsigned int last_lookup; /* Cumulative */
@@ -87,13 +90,13 @@ struct hb_ot_map_t
 
   void init ()
   {
-    memset (this, 0, sizeof (*this));
+    hb_memset (this, 0, sizeof (*this));
 
-    features.init ();
+    features.init0 ();
     for (unsigned int table_index = 0; table_index < 2; table_index++)
     {
-      lookups[table_index].init ();
-      stages[table_index].init ();
+      lookups[table_index].init0 ();
+      stages[table_index].init0 ();
     }
   }
   void fini ()
@@ -139,19 +142,15 @@ struct hb_ot_map_t
     return map ? map->stage[table_index] : UINT_MAX;
   }
 
-  void get_stage_lookups (unsigned int table_index, unsigned int stage,
-			  const struct lookup_map_t **plookups, unsigned int *lookup_count) const
+  hb_array_t<const hb_ot_map_t::lookup_map_t>
+  get_stage_lookups (unsigned int table_index, unsigned int stage) const
   {
     if (unlikely (stage > stages[table_index].length))
-    {
-      *plookups = nullptr;
-      *lookup_count = 0;
-      return;
-    }
+      return hb_array<const hb_ot_map_t::lookup_map_t> (nullptr, 0);
+
     unsigned int start = stage ? stages[table_index][stage - 1].last_lookup : 0;
     unsigned int end   = stage < stages[table_index].length ? stages[table_index][stage].last_lookup : lookups[table_index].length;
-    *plookups = end == start ? nullptr : &lookups[table_index][start];
-    *lookup_count = end - start;
+    return lookups[table_index].as_array ().sub_array (start, end - start);
   }
 
   HB_INTERNAL void collect_lookups (unsigned int table_index, hb_set_t *lookups) const;
@@ -167,7 +166,7 @@ struct hb_ot_map_t
 
   private:
 
-  hb_mask_t global_mask;
+  hb_mask_t global_mask = 0;
 
   hb_sorted_vector_t<feature_map_t> features;
   hb_vector_t<lookup_map_t> lookups[2]; /* GSUB/GPOS */
@@ -204,7 +203,7 @@ struct hb_ot_map_builder_t
   public:
 
   HB_INTERNAL hb_ot_map_builder_t (hb_face_t *face_,
-				   const hb_segment_properties_t *props_);
+				   const hb_segment_properties_t &props_);
 
   HB_INTERNAL ~hb_ot_map_builder_t ();
 
@@ -212,6 +211,8 @@ struct hb_ot_map_builder_t
 				hb_ot_map_feature_flags_t flags=F_NONE,
 				unsigned int value=1);
 
+  HB_INTERNAL bool has_feature (hb_tag_t tag);
+
   void add_feature (const hb_ot_map_feature_t &feat)
   { add_feature (feat.tag, feat.flags); }
 
@@ -241,7 +242,8 @@ struct hb_ot_map_builder_t
 				bool          auto_zwnj = true,
 				bool          auto_zwj = true,
 				bool          random = false,
-				bool          per_syllable = false);
+				bool          per_syllable = false,
+				hb_tag_t      feature_tag = HB_TAG(' ',' ',' ',' '));
 
   struct feature_info_t {
     hb_tag_t tag;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-math-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-math-table.hh
index d834d94371..93953370e2 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-math-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-math-table.hh
@@ -77,11 +77,11 @@ struct MathConstants
 
     HBINT16 *p = c->allocate_size<HBINT16> (HBINT16::static_size * 2);
     if (unlikely (!p)) return_trace (nullptr);
-    memcpy (p, percentScaleDown, HBINT16::static_size * 2);
+    hb_memcpy (p, percentScaleDown, HBINT16::static_size * 2);
 
     HBUINT16 *m = c->allocate_size<HBUINT16> (HBUINT16::static_size * 2);
     if (unlikely (!m)) return_trace (nullptr);
-    memcpy (m, minHeight, HBUINT16::static_size * 2);
+    hb_memcpy (m, minHeight, HBUINT16::static_size * 2);
 
     unsigned count = ARRAY_LENGTH (mathValueRecords);
     for (unsigned i = 0; i < count; i++)
@@ -786,7 +786,7 @@ struct MathGlyphAssembly
     if (parts_count)
     {
       int64_t mult = font->dir_mult (direction);
-      for (auto _ : hb_zip (partRecords.sub_array (start_offset, parts_count),
+      for (auto _ : hb_zip (partRecords.as_array ().sub_array (start_offset, parts_count),
 			    hb_array (parts, *parts_count)))
 	_.first.extract (_.second, mult, font);
     }
@@ -855,7 +855,7 @@ struct MathGlyphConstruction
     if (variants_count)
     {
       int64_t mult = font->dir_mult (direction);
-      for (auto _ : hb_zip (mathGlyphVariantRecord.sub_array (start_offset, variants_count),
+      for (auto _ : hb_zip (mathGlyphVariantRecord.as_array ().sub_array (start_offset, variants_count),
 			    hb_array (variants, *variants_count)))
 	_.second = {_.first.variantGlyph, font->em_mult (_.first.advanceMeasurement, mult)};
     }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-math.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-math.cc
index f44ac35849..c515867bdf 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-math.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-math.cc
@@ -56,7 +56,7 @@
  *
  * Tests whether a face has a `MATH` table.
  *
- * Return value: %true if the table is found, %false otherwise
+ * Return value: `true` if the table is found, `false` otherwise
  *
  * Since: 1.3.3
  **/
@@ -142,7 +142,7 @@ hb_ot_math_get_glyph_top_accent_attachment (hb_font_t *font,
  *
  * Tests whether the given glyph index is an extended shape in the face.
  *
- * Return value: %true if the glyph is an extended shape, %false otherwise
+ * Return value: `true` if the glyph is an extended shape, `false` otherwise
  *
  * Since: 1.3.3
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-meta-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-meta-table.hh
index 93e64c5327..e1b68bcf91 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-meta-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-meta-table.hh
@@ -84,7 +84,7 @@ struct meta
     {
       if (count)
       {
-	+ table->dataMaps.sub_array (start_offset, count)
+	+ table->dataMaps.as_array ().sub_array (start_offset, count)
 	| hb_map (&DataMap::get_tag)
 	| hb_map ([](hb_tag_t tag) { return (hb_ot_meta_tag_t) tag; })
 	| hb_sink (hb_array (entries, *count))
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-metrics.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-metrics.cc
index f9c4b96fff..5b12482b97 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-metrics.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-metrics.cc
@@ -71,12 +71,12 @@ _hb_ot_metrics_get_position_common (hb_font_t           *font,
 #endif
 #define GET_METRIC_X(TABLE, ATTR) \
   (face->table.TABLE->has_data () && \
-    (position && (*position = font->em_scalef_x (_fix_ascender_descender ( \
-      face->table.TABLE->ATTR + GET_VAR, metrics_tag))), true))
+    ((void) (position && (*position = font->em_scalef_x (_fix_ascender_descender ( \
+      face->table.TABLE->ATTR + GET_VAR, metrics_tag)))), true))
 #define GET_METRIC_Y(TABLE, ATTR) \
   (face->table.TABLE->has_data () && \
-    (position && (*position = font->em_scalef_y (_fix_ascender_descender ( \
-      face->table.TABLE->ATTR + GET_VAR, metrics_tag))), true))
+    ((void) (position && (*position = font->em_scalef_y (_fix_ascender_descender ( \
+      face->table.TABLE->ATTR + GET_VAR, metrics_tag)))), true))
 
   case HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER:
     return (face->table.OS2->use_typo_metrics () && GET_METRIC_Y (OS2, sTypoAscender)) ||
@@ -154,10 +154,10 @@ hb_ot_metrics_get_position (hb_font_t           *font,
 #endif
 #define GET_METRIC_X(TABLE, ATTR) \
   (face->table.TABLE->has_data () && \
-    (position && (*position = font->em_scalef_x (face->table.TABLE->ATTR + GET_VAR)), true))
+    ((void) (position && (*position = font->em_scalef_x (face->table.TABLE->ATTR + GET_VAR))), true))
 #define GET_METRIC_Y(TABLE, ATTR) \
   (face->table.TABLE->has_data () && \
-    (position && (*position = font->em_scalef_y (face->table.TABLE->ATTR + GET_VAR)), true))
+    ((void) (position && (*position = font->em_scalef_y (face->table.TABLE->ATTR + GET_VAR))), true))
   case HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT:  return GET_METRIC_Y (OS2, usWinAscent);
   case HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT: return GET_METRIC_Y (OS2, usWinDescent);
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-name-language-static.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-name-language-static.hh
index c496dc2981..0e0f2d632a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-name-language-static.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-name-language-static.hh
@@ -45,7 +45,7 @@ struct hb_ot_language_map_t
 };
 
 static const hb_ot_language_map_t
-hb_ms_language_map[] =
+_hb_ms_language_map[] =
 {
   {0x0001,	"ar"},	/* ??? */
   {0x0004,	"zh"},	/* ??? */
@@ -298,7 +298,7 @@ hb_ms_language_map[] =
 };
 
 static const hb_ot_language_map_t
-hb_mac_language_map[] =
+_hb_mac_language_map[] =
 {
   {  0,	"en"},	/* English */
   {  1,	"fr"},	/* French */
@@ -441,16 +441,16 @@ hb_language_t
 _hb_ot_name_language_for_ms_code (unsigned int code)
 {
   return _hb_ot_name_language_for (code,
-				   hb_ms_language_map,
-				   ARRAY_LENGTH (hb_ms_language_map));
+				   _hb_ms_language_map,
+				   ARRAY_LENGTH (_hb_ms_language_map));
 }
 
 hb_language_t
 _hb_ot_name_language_for_mac_code (unsigned int code)
 {
   return _hb_ot_name_language_for (code,
-				   hb_mac_language_map,
-				   ARRAY_LENGTH (hb_mac_language_map));
+				   _hb_mac_language_map,
+				   ARRAY_LENGTH (_hb_mac_language_map));
 }
 
 #endif /* HB_OT_NAME_LANGUAGE_STATIC_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-name-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-name-table.hh
index d52367e9b1..6f4461cc15 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-name-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-name-table.hh
@@ -30,10 +30,55 @@
 #include "hb-open-type.hh"
 #include "hb-ot-name-language.hh"
 #include "hb-aat-layout.hh"
+#include "hb-utf.hh"
 
 
 namespace OT {
 
+template <typename in_utf_t, typename out_utf_t>
+inline unsigned int
+hb_ot_name_convert_utf (hb_bytes_t                       bytes,
+			unsigned int                    *text_size /* IN/OUT */,
+			typename out_utf_t::codepoint_t *text /* OUT */)
+{
+  unsigned int src_len = bytes.length / sizeof (typename in_utf_t::codepoint_t);
+  const typename in_utf_t::codepoint_t *src = (const typename in_utf_t::codepoint_t *) bytes.arrayZ;
+  const typename in_utf_t::codepoint_t *src_end = src + src_len;
+
+  typename out_utf_t::codepoint_t *dst = text;
+
+  hb_codepoint_t unicode;
+  const hb_codepoint_t replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT;
+
+  if (text_size && *text_size)
+  {
+    (*text_size)--; /* Save room for NUL-termination. */
+    const typename out_utf_t::codepoint_t *dst_end = text + *text_size;
+
+    while (src < src_end && dst < dst_end)
+    {
+      const typename in_utf_t::codepoint_t *src_next = in_utf_t::next (src, src_end, &unicode, replacement);
+      typename out_utf_t::codepoint_t *dst_next = out_utf_t::encode (dst, dst_end, unicode);
+      if (dst_next == dst)
+	break; /* Out-of-room. */
+
+      dst = dst_next;
+      src = src_next;
+    }
+
+    *text_size = dst - text;
+    *dst = 0; /* NUL-terminate. */
+  }
+
+  /* Accumulate length of rest. */
+  unsigned int dst_len = dst - text;
+  while (src < src_end)
+  {
+    src = in_utf_t::next (src, src_end, &unicode, replacement);
+    dst_len += out_utf_t::encode_len (unicode);
+  }
+  return dst_len;
+}
 
 #define entry_score var.u16[0]
 #define entry_index var.u16[1]
@@ -97,12 +142,68 @@ struct NameRecord
     return UNSUPPORTED;
   }
 
-  NameRecord* copy (hb_serialize_context_t *c, const void *base) const
+  NameRecord* copy (hb_serialize_context_t *c, const void *base
+#ifdef HB_EXPERIMENTAL_API
+                    , const hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides
+#endif
+		    ) const
   {
     TRACE_SERIALIZE (this);
+    HB_UNUSED auto snap = c->snapshot ();
     auto *out = c->embed (this);
     if (unlikely (!out)) return_trace (nullptr);
-    out->offset.serialize_copy (c, offset, base, 0, hb_serialize_context_t::Tail, length);
+#ifdef HB_EXPERIMENTAL_API
+    hb_ot_name_record_ids_t record_ids (platformID, encodingID, languageID, nameID);
+    hb_bytes_t* name_bytes;
+
+    if (name_table_overrides->has (record_ids, &name_bytes)) {
+      hb_bytes_t encoded_bytes = *name_bytes;
+      char *name_str_utf16_be = nullptr;
+
+      if (platformID != 1)
+      {
+        unsigned text_size = hb_ot_name_convert_utf<hb_utf8_t, hb_utf16_be_t> (*name_bytes, nullptr, nullptr);
+  
+        text_size++; // needs to consider NULL terminator for use in hb_ot_name_convert_utf()
+        unsigned byte_len = text_size * hb_utf16_be_t::codepoint_t::static_size;
+        name_str_utf16_be = (char *) hb_calloc (byte_len, 1);
+        if (!name_str_utf16_be)
+        {
+          c->revert (snap);
+          return_trace (nullptr);
+        }
+        hb_ot_name_convert_utf<hb_utf8_t, hb_utf16_be_t> (*name_bytes, &text_size,
+                                                          (hb_utf16_be_t::codepoint_t *) name_str_utf16_be);
+  
+        unsigned encoded_byte_len = text_size * hb_utf16_be_t::codepoint_t::static_size;
+        if (!encoded_byte_len || !c->check_assign (out->length, encoded_byte_len, HB_SERIALIZE_ERROR_INT_OVERFLOW)) {
+          c->revert (snap);
+          hb_free (name_str_utf16_be);
+          return_trace (nullptr);
+        }
+  
+        encoded_bytes = hb_bytes_t (name_str_utf16_be, encoded_byte_len);
+      }
+      else
+      {
+        // mac platform, copy the UTF-8 string(all ascii characters) as is
+        if (!c->check_assign (out->length, encoded_bytes.length, HB_SERIALIZE_ERROR_INT_OVERFLOW)) {
+          c->revert (snap);
+          return_trace (nullptr);
+        }
+      }
+
+      out->offset = 0;
+      c->push ();
+      encoded_bytes.copy (c);
+      c->add_link (out->offset, c->pop_pack (), hb_serialize_context_t::Tail, 0);
+      hb_free (name_str_utf16_be);
+    }
+    else
+#endif
+    {
+      out->offset.serialize_copy (c, offset, base, 0, hb_serialize_context_t::Tail, length);
+    }
     return_trace (out);
   }
 
@@ -156,7 +257,7 @@ struct NameRecord
 };
 
 static int
-_hb_ot_name_entry_cmp_key (const void *pa, const void *pb)
+_hb_ot_name_entry_cmp_key (const void *pa, const void *pb, bool exact)
 {
   const hb_ot_name_entry_t *a = (const hb_ot_name_entry_t *) pa;
   const hb_ot_name_entry_t *b = (const hb_ot_name_entry_t *) pb;
@@ -169,8 +270,19 @@ _hb_ot_name_entry_cmp_key (const void *pa, const void *pb)
   if (a->language == b->language) return 0;
   if (!a->language) return -1;
   if (!b->language) return +1;
-  return strcmp (hb_language_to_string (a->language),
-		 hb_language_to_string (b->language));
+
+  const char *astr = hb_language_to_string (a->language);
+  const char *bstr = hb_language_to_string (b->language);
+
+  signed c = strcmp (astr, bstr);
+
+  // 'a' is the user request, and 'b' is string in the font.
+  // If eg. user asks for "en-us" and font has "en", approve.
+  if (!exact && c &&
+      hb_language_matches (b->language, a->language))
+    return 0;
+
+  return c;
 }
 
 static int
@@ -178,7 +290,7 @@ _hb_ot_name_entry_cmp (const void *pa, const void *pb)
 {
   /* Compare by name_id, then language, then score, then index. */
 
-  int v = _hb_ot_name_entry_cmp_key (pa, pb);
+  int v = _hb_ot_name_entry_cmp_key (pa, pb, true);
   if (v)
     return v;
 
@@ -205,29 +317,61 @@ struct name
 	    hb_requires (hb_is_source_of (Iterator, const NameRecord &))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it,
-		  const void *src_string_pool)
+		  const void *src_string_pool
+#ifdef HB_EXPERIMENTAL_API
+                  , const hb_vector_t<hb_ot_name_record_ids_t>& insert_name_records
+		  , const hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides
+#endif
+		  )
   {
     TRACE_SERIALIZE (this);
 
     if (unlikely (!c->extend_min ((*this))))  return_trace (false);
 
+    unsigned total_count = it.len ()
+#ifdef HB_EXPERIMENTAL_API
+        + insert_name_records.length
+#endif
+        ;
     this->format = 0;
-    this->count = it.len ();
+    if (!c->check_assign (this->count, total_count, HB_SERIALIZE_ERROR_INT_OVERFLOW))
+      return false;
 
-    NameRecord *name_records = (NameRecord *) hb_calloc (it.len (), NameRecord::static_size);
+    NameRecord *name_records = (NameRecord *) hb_calloc (total_count, NameRecord::static_size);
     if (unlikely (!name_records)) return_trace (false);
 
-    hb_array_t<NameRecord> records (name_records, it.len ());
+    hb_array_t<NameRecord> records (name_records, total_count);
 
     for (const NameRecord& record : it)
     {
+      hb_memcpy (name_records, &record, NameRecord::static_size);
+      name_records++;
+    }
+
+#ifdef HB_EXPERIMENTAL_API
+    for (unsigned i = 0; i < insert_name_records.length; i++)
+    {
+      const hb_ot_name_record_ids_t& ids = insert_name_records[i];
+      NameRecord record;
+      record.platformID = ids.platform_id;
+      record.encodingID = ids.encoding_id;
+      record.languageID = ids.language_id;
+      record.nameID = ids.name_id;
+      record.length = 0; // handled in NameRecord copy()
+      record.offset = 0;
       memcpy (name_records, &record, NameRecord::static_size);
       name_records++;
     }
+#endif
 
     records.qsort ();
 
-    c->copy_all (records, src_string_pool);
+    c->copy_all (records,
+		 src_string_pool
+#ifdef HB_EXPERIMENTAL_API
+		 , name_table_overrides
+#endif
+		 );
     hb_free (records.arrayZ);
 
 
@@ -245,6 +389,11 @@ struct name
     name *name_prime = c->serializer->start_embed<name> ();
     if (unlikely (!name_prime)) return_trace (false);
 
+#ifdef HB_EXPERIMENTAL_API
+    const hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides =
+        c->plan->name_table_overrides;
+#endif
+    
     auto it =
     + nameRecordZ.as_array (count)
     | hb_filter (c->plan->name_ids, &NameRecord::nameID)
@@ -254,10 +403,48 @@ struct name
           (c->plan->flags & HB_SUBSET_FLAGS_NAME_LEGACY)
           || namerecord.isUnicode ();
     })
+#ifdef HB_EXPERIMENTAL_API
+    | hb_filter ([&] (const NameRecord& namerecord) {
+      if (name_table_overrides->is_empty ())
+        return true;
+      hb_ot_name_record_ids_t rec_ids (namerecord.platformID,
+                                       namerecord.encodingID,
+                                       namerecord.languageID,
+                                       namerecord.nameID);
+
+      hb_bytes_t *p;
+      if (name_table_overrides->has (rec_ids, &p) &&
+          (*p).length == 0)
+        return false;
+      return true;
+    })
+#endif
     ;
 
-    name_prime->serialize (c->serializer, it, std::addressof (this + stringOffset));
-    return_trace (name_prime->count);
+#ifdef HB_EXPERIMENTAL_API
+    hb_vector_t<hb_ot_name_record_ids_t> insert_name_records;
+    if (!name_table_overrides->is_empty ())
+    {
+      if (unlikely (!insert_name_records.alloc (name_table_overrides->get_population ())))
+        return_trace (false);
+      for (const auto& record_ids : name_table_overrides->keys ())
+      {
+        if (name_table_overrides->get (record_ids).length == 0)
+          continue;
+        if (has_name_record_with_ids (record_ids))
+          continue;
+        insert_name_records.push (record_ids);
+      }
+    }
+#endif
+
+    return (name_prime->serialize (c->serializer, it,
+                                   std::addressof (this + stringOffset)
+#ifdef HB_EXPERIMENTAL_API
+                                   , insert_name_records
+                                   , name_table_overrides
+#endif
+                                   ));
   }
 
   bool sanitize_records (hb_sanitize_context_t *c) const
@@ -330,7 +517,18 @@ struct name
       const hb_ot_name_entry_t *entry = hb_bsearch (key, (const hb_ot_name_entry_t *) this->names,
 						    this->names.length,
 						    sizeof (hb_ot_name_entry_t),
-						    _hb_ot_name_entry_cmp_key);
+						    _hb_ot_name_entry_cmp_key,
+						    true);
+
+      if (!entry)
+      {
+	entry = hb_bsearch (key, (const hb_ot_name_entry_t *) this->names,
+			    this->names.length,
+			    sizeof (hb_ot_name_entry_t),
+			    _hb_ot_name_entry_cmp_key,
+			    false);
+      }
+
       if (!entry)
 	return -1;
 
@@ -356,6 +554,23 @@ struct name
     hb_vector_t<hb_ot_name_entry_t> names;
   };
 
+  private:
+  // sometimes NameRecords are not sorted in the font file, so use linear search
+  // here
+  bool has_name_record_with_ids (const hb_ot_name_record_ids_t& record_ids) const
+  {
+    for (const auto& record : nameRecordZ.as_array (count))
+    {
+      if (record.platformID == record_ids.platform_id &&
+          record.encodingID == record_ids.encoding_id &&
+          record.languageID == record_ids.language_id &&
+          record.nameID == record_ids.name_id)
+        return true;
+    }
+    return false;
+  }
+
+  public:
   /* We only implement format 0 for now. */
   HBUINT16	format;		/* Format selector (=0/1). */
   HBUINT16	count;		/* Number of name records. */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-name.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-name.cc
index c35ac5b3dc..6adf1e8fbe 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-name.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-name.cc
@@ -64,52 +64,6 @@ hb_ot_name_list_names (hb_face_t    *face,
   return (const hb_ot_name_entry_t *) name.names;
 }
 
-
-template <typename in_utf_t, typename out_utf_t>
-static inline unsigned int
-hb_ot_name_convert_utf (hb_bytes_t                       bytes,
-			unsigned int                    *text_size /* IN/OUT */,
-			typename out_utf_t::codepoint_t *text /* OUT */)
-{
-  unsigned int src_len = bytes.length / sizeof (typename in_utf_t::codepoint_t);
-  const typename in_utf_t::codepoint_t *src = (const typename in_utf_t::codepoint_t *) bytes.arrayZ;
-  const typename in_utf_t::codepoint_t *src_end = src + src_len;
-
-  typename out_utf_t::codepoint_t *dst = text;
-
-  hb_codepoint_t unicode;
-  const hb_codepoint_t replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT;
-
-  if (text_size && *text_size)
-  {
-    (*text_size)--; /* Same room for NUL-termination. */
-    const typename out_utf_t::codepoint_t *dst_end = text + *text_size;
-
-    while (src < src_end && dst < dst_end)
-    {
-      const typename in_utf_t::codepoint_t *src_next = in_utf_t::next (src, src_end, &unicode, replacement);
-      typename out_utf_t::codepoint_t *dst_next = out_utf_t::encode (dst, dst_end, unicode);
-      if (dst_next == dst)
-	break; /* Out-of-room. */
-
-      dst = dst_next;
-      src = src_next;
-    }
-
-    *text_size = dst - text;
-    *dst = 0; /* NUL-terminate. */
-  }
-
-  /* Accumulate length of rest. */
-  unsigned int dst_len = dst - text;
-  while (src < src_end)
-  {
-    src = in_utf_t::next (src, src_end, &unicode, replacement);
-    dst_len += out_utf_t::encode_len (unicode);
-  }
-  return dst_len;
-}
-
 template <typename utf_t>
 static inline unsigned int
 hb_ot_name_get_utf (hb_face_t       *face,
@@ -130,10 +84,10 @@ hb_ot_name_get_utf (hb_face_t       *face,
     hb_bytes_t bytes = name.get_name (idx);
 
     if (width == 2) /* UTF16-BE */
-      return hb_ot_name_convert_utf<hb_utf16_be_t, utf_t> (bytes, text_size, text);
+      return OT::hb_ot_name_convert_utf<hb_utf16_be_t, utf_t> (bytes, text_size, text);
 
     if (width == 1) /* ASCII */
-      return hb_ot_name_convert_utf<hb_ascii_t, utf_t> (bytes, text_size, text);
+      return OT::hb_ot_name_convert_utf<hb_ascii_t, utf_t> (bytes, text_size, text);
   }
 
   if (text_size)
@@ -227,5 +181,4 @@ hb_ot_name_get_utf32 (hb_face_t       *face,
   return hb_ot_name_get_utf<hb_utf32_t> (face, name_id, language, text_size, text);
 }
 
-
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh
index f0035e2f04..5b017d56a6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-os2-table.hh
@@ -166,11 +166,73 @@ struct OS2
     }
   }
 
+  float map_wdth_to_widthclass(float width) const
+  {
+    if (width < 50) return 1.0f;
+    if (width > 200) return 9.0f;
+
+    float ratio = (width - 50) / 12.5f;
+    int a = (int) floorf (ratio);
+    int b = (int) ceilf (ratio);
+
+    /* follow this maping:
+     * https://docs.microsoft.com/en-us/typography/opentype/spec/os2#uswidthclass
+     */
+    if (b <= 6) // 50-125
+    {
+      if (a == b) return a + 1.0f;
+    }
+    else if (b == 7) // no mapping for 137.5
+    {
+      a = 6;
+      b = 8;
+    }
+    else if (b == 8)
+    {
+      if (a == b) return 8.0f; // 150
+      a = 6;
+    }
+    else
+    {
+      if (a == b && a == 12) return 9.0f; //200
+      b = 12;
+      a = 8;
+    }
+
+    float va = 50 + a * 12.5f;
+    float vb = 50 + b * 12.5f;
+
+    float ret =  a + (width - va) / (vb - va);
+    if (a <= 6) ret += 1.0f;
+    return ret;
+  }
+
   bool subset (hb_subset_context_t *c) const
   {
     TRACE_SUBSET (this);
     OS2 *os2_prime = c->serializer->embed (this);
     if (unlikely (!os2_prime)) return_trace (false);
+
+    if (c->plan->user_axes_location->has (HB_TAG ('w','g','h','t')) &&
+        !c->plan->pinned_at_default)
+    {
+      float weight_class = c->plan->user_axes_location->get (HB_TAG ('w','g','h','t'));
+      if (!c->serializer->check_assign (os2_prime->usWeightClass,
+                                        roundf (hb_clamp (weight_class, 1.0f, 1000.0f)),
+                                        HB_SERIALIZE_ERROR_INT_OVERFLOW))
+        return_trace (false);
+    }
+
+    if (c->plan->user_axes_location->has (HB_TAG ('w','d','t','h')) &&
+        !c->plan->pinned_at_default)
+    {
+      float width = c->plan->user_axes_location->get (HB_TAG ('w','d','t','h'));
+      if (!c->serializer->check_assign (os2_prime->usWidthClass,
+                                        roundf (map_wdth_to_widthclass (width)),
+                                        HB_SERIALIZE_ERROR_INT_OVERFLOW))
+        return_trace (false);
+    }
+
     if (c->plan->flags & HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES)
       return_trace (true);
 
@@ -224,9 +286,11 @@ struct OS2
     *max_cp = hb_min (0xFFFFu, codepoints->get_max ());
   }
 
-  /* https://github.com/Microsoft/Font-Validator/blob/520aaae/OTFontFileVal/val_OS2.cs#L644-L681 */
+  /* https://github.com/Microsoft/Font-Validator/blob/520aaae/OTFontFileVal/val_OS2.cs#L644-L681
+   * https://docs.microsoft.com/en-us/typography/legacy/legacy_arabic_fonts */
   enum font_page_t
   {
+    FONT_PAGE_NONE		= 0,
     FONT_PAGE_HEBREW		= 0xB100, /* Hebrew Windows 3.1 font page */
     FONT_PAGE_SIMP_ARABIC	= 0xB200, /* Simplified Arabic Windows 3.1 font page */
     FONT_PAGE_TRAD_ARABIC	= 0xB300, /* Traditional Arabic Windows 3.1 font page */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh
index 0f3cd8e24f..951e6395d6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh
@@ -52,16 +52,16 @@ HB_INTERNAL bool postV2Tail::serialize (hb_serialize_context_t *c,
   {
     unsigned glyph_id = _.first;
     unsigned new_index = _.second;
-    
+
     if (new_index < 258) continue;
     if (copied_indices.has (new_index)) continue;
     copied_indices.add (new_index);
-    
+
     hb_bytes_t s = reinterpret_cast<const post::accelerator_t*> (_post)->find_glyph_name (glyph_id);
     HBUINT8 *o = c->allocate_size<HBUINT8> (HBUINT8::static_size * (s.length + 1));
     if (unlikely (!o)) return_trace (false);
     if (!c->check_assign (o[0], s.length, HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false);
-    memcpy (o+1, s.arrayZ, HBUINT8::static_size * s.length);
+    hb_memcpy (o+1, s.arrayZ, HBUINT8::static_size * s.length);
   }
 
   return_trace (true);
@@ -78,17 +78,19 @@ HB_INTERNAL bool postV2Tail::subset (hb_subset_context_t *c) const
 
   post::accelerator_t _post (c->plan->source);
 
-  hb_hashmap_t<hb_bytes_t, unsigned, std::nullptr_t, unsigned, nullptr, (unsigned)-1> glyph_name_to_new_index;
+  hb_hashmap_t<hb_bytes_t, uint32_t, true> glyph_name_to_new_index;
   for (hb_codepoint_t new_gid = 0; new_gid < num_glyphs; new_gid++)
   {
     hb_codepoint_t old_gid = reverse_glyph_map.get (new_gid);
     unsigned old_index = glyphNameIndex[old_gid];
 
     unsigned new_index;
+    const uint32_t *new_index2;
     if (old_index <= 257) new_index = old_index;
-    else if (old_new_index_map.has (old_index)) new_index = old_new_index_map.get (old_index);
-    else
+    else if (old_new_index_map.has (old_index, &new_index2))
     {
+      new_index = *new_index2;
+    } else {
       hb_bytes_t s = _post.find_glyph_name (old_gid);
       new_index = glyph_name_to_new_index.get (s);
       if (new_index == (unsigned)-1)
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table.hh
index a4844e94bc..a04b80357b 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table.hh
@@ -84,7 +84,7 @@ struct post
     post *post_prime = c->allocate_min<post> ();
     if (unlikely (!post_prime))  return_trace (false);
 
-    memcpy (post_prime, this, post::min_size);
+    hb_memcpy (post_prime, this, post::min_size);
     if (!glyph_names)
       return_trace (c->check_assign (post_prime->version.major, 3,
                                      HB_SERIALIZE_ERROR_INT_OVERFLOW)); // Version 3 does not have any glyph names.
@@ -102,6 +102,14 @@ struct post
     if (!serialize (c->serializer, glyph_names))
       return_trace (false);
 
+    if (c->plan->user_axes_location->has (HB_TAG ('s','l','n','t')) &&
+        !c->plan->pinned_at_default)
+    {
+      float italic_angle = c->plan->user_axes_location->get (HB_TAG ('s','l','n','t'));
+      italic_angle = hb_max (-90.f, hb_min (italic_angle, 90.f));
+      post_prime->italicAngle.set_float (italic_angle);
+    }
+
     if (glyph_names && version.major == 2)
       return_trace (v2X.subset (c));
 
@@ -133,7 +141,7 @@ struct post
     }
     ~accelerator_t ()
     {
-      hb_free (gids_sorted_by_name.get ());
+      hb_free (gids_sorted_by_name.get_acquire ());
       table.destroy ();
     }
 
@@ -160,7 +168,7 @@ struct post
       if (unlikely (!len)) return false;
 
     retry:
-      uint16_t *gids = gids_sorted_by_name.get ();
+      uint16_t *gids = gids_sorted_by_name.get_acquire ();
 
       if (unlikely (!gids))
       {
@@ -263,10 +271,10 @@ struct post
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this) &&
-			  (version.to_int () == 0x00010000 ||
-			   (version.to_int () == 0x00020000 && v2X.sanitize (c)) ||
-			   version.to_int () == 0x00030000)));
+    return_trace (c->check_struct (this) &&
+		  (version.to_int () == 0x00010000 ||
+		   (version.to_int () == 0x00020000 && v2X.sanitize (c)) ||
+		   version.to_int () == 0x00030000));
   }
 
   public:
@@ -274,7 +282,7 @@ struct post
 					 * 0x00020000 for version 2.0
 					 * 0x00025000 for version 2.5 (deprecated)
 					 * 0x00030000 for version 3.0 */
-  HBFixed	italicAngle;		/* Italic angle in counter-clockwise degrees
+  F16DOT16	italicAngle;		/* Italic angle in counter-clockwise degrees
 					 * from the vertical. Zero for upright text,
 					 * negative for text that leans to the right
 					 * (forward). */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-machine.hh
deleted file mode 100644
index 74bf3ca0fa..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-machine.hh
+++ /dev/null
@@ -1,603 +0,0 @@
-
-#line 1 "hb-ot-shape-complex-indic-machine.rl"
-/*
- * Copyright © 2011,2012  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH
-#define HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH
-
-#include "hb.hh"
-
-enum indic_syllable_type_t {
-  indic_consonant_syllable,
-  indic_vowel_syllable,
-  indic_standalone_cluster,
-  indic_symbol_cluster,
-  indic_broken_cluster,
-  indic_non_indic_cluster,
-};
-
-
-#line 45 "hb-ot-shape-complex-indic-machine.hh"
-#define indic_syllable_machine_ex_A 10u
-#define indic_syllable_machine_ex_C 1u
-#define indic_syllable_machine_ex_CM 17u
-#define indic_syllable_machine_ex_CS 19u
-#define indic_syllable_machine_ex_DOTTEDCIRCLE 12u
-#define indic_syllable_machine_ex_H 4u
-#define indic_syllable_machine_ex_M 7u
-#define indic_syllable_machine_ex_N 3u
-#define indic_syllable_machine_ex_PLACEHOLDER 11u
-#define indic_syllable_machine_ex_RS 13u
-#define indic_syllable_machine_ex_Ra 16u
-#define indic_syllable_machine_ex_Repha 15u
-#define indic_syllable_machine_ex_SM 8u
-#define indic_syllable_machine_ex_Symbol 18u
-#define indic_syllable_machine_ex_V 2u
-#define indic_syllable_machine_ex_ZWJ 6u
-#define indic_syllable_machine_ex_ZWNJ 5u
-
-
-#line 65 "hb-ot-shape-complex-indic-machine.hh"
-static const unsigned char _indic_syllable_machine_trans_keys[] = {
-	8u, 8u, 4u, 8u, 5u, 7u, 5u, 8u, 4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 
-	4u, 13u, 4u, 8u, 8u, 8u, 5u, 7u, 5u, 8u, 4u, 8u, 6u, 6u, 16u, 16u, 
-	4u, 8u, 4u, 13u, 4u, 13u, 4u, 13u, 8u, 8u, 5u, 7u, 5u, 8u, 4u, 8u, 
-	6u, 6u, 16u, 16u, 4u, 8u, 4u, 8u, 4u, 13u, 8u, 8u, 5u, 7u, 5u, 8u, 
-	4u, 8u, 6u, 6u, 16u, 16u, 4u, 8u, 4u, 8u, 5u, 8u, 8u, 8u, 1u, 19u, 
-	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 5u, 10u, 5u, 10u, 10u, 10u, 5u, 10u, 
-	1u, 16u, 1u, 16u, 1u, 16u, 3u, 10u, 4u, 10u, 5u, 10u, 4u, 10u, 5u, 10u, 
-	3u, 10u, 5u, 10u, 3u, 17u, 3u, 17u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
-	3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 5u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 
-	1u, 16u, 3u, 10u, 4u, 10u, 5u, 10u, 4u, 10u, 5u, 10u, 5u, 10u, 3u, 10u, 
-	5u, 10u, 3u, 17u, 3u, 17u, 4u, 8u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 
-	3u, 17u, 1u, 16u, 5u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 1u, 16u, 3u, 10u, 
-	4u, 10u, 5u, 10u, 3u, 17u, 4u, 10u, 5u, 10u, 5u, 10u, 3u, 10u, 5u, 10u, 
-	3u, 17u, 4u, 13u, 4u, 8u, 3u, 17u, 3u, 17u, 4u, 17u, 1u, 16u, 3u, 17u, 
-	1u, 16u, 5u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 1u, 16u, 3u, 10u, 4u, 10u, 
-	5u, 10u, 3u, 17u, 4u, 10u, 5u, 10u, 5u, 10u, 3u, 10u, 5u, 10u, 1u, 17u, 
-	3u, 17u, 1u, 17u, 4u, 13u, 5u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 3u, 10u, 
-	5u, 10u, 5u, 10u, 10u, 10u, 5u, 10u, 1u, 16u, 0
-};
-
-static const char _indic_syllable_machine_key_spans[] = {
-	1, 5, 3, 4, 5, 1, 1, 5, 
-	10, 5, 1, 3, 4, 5, 1, 1, 
-	5, 10, 10, 10, 1, 3, 4, 5, 
-	1, 1, 5, 5, 10, 1, 3, 4, 
-	5, 1, 1, 5, 5, 4, 1, 19, 
-	15, 15, 14, 16, 6, 6, 1, 6, 
-	16, 16, 16, 8, 7, 6, 7, 6, 
-	8, 6, 15, 15, 15, 15, 14, 16, 
-	15, 15, 14, 16, 6, 1, 6, 16, 
-	16, 8, 7, 6, 7, 6, 6, 8, 
-	6, 15, 15, 5, 15, 15, 14, 16, 
-	15, 16, 6, 1, 6, 16, 16, 8, 
-	7, 6, 15, 7, 6, 6, 8, 6, 
-	15, 10, 5, 15, 15, 14, 16, 15, 
-	16, 6, 1, 6, 16, 16, 8, 7, 
-	6, 15, 7, 6, 6, 8, 6, 17, 
-	15, 17, 10, 6, 1, 6, 16, 8, 
-	6, 6, 1, 6, 16
-};
-
-static const short _indic_syllable_machine_index_offsets[] = {
-	0, 2, 8, 12, 17, 23, 25, 27, 
-	33, 44, 50, 52, 56, 61, 67, 69, 
-	71, 77, 88, 99, 110, 112, 116, 121, 
-	127, 129, 131, 137, 143, 154, 156, 160, 
-	165, 171, 173, 175, 181, 187, 192, 194, 
-	214, 230, 246, 261, 278, 285, 292, 294, 
-	301, 318, 335, 352, 361, 369, 376, 384, 
-	391, 400, 407, 423, 439, 455, 471, 486, 
-	503, 519, 535, 550, 567, 574, 576, 583, 
-	600, 617, 626, 634, 641, 649, 656, 663, 
-	672, 679, 695, 711, 717, 733, 749, 764, 
-	781, 797, 814, 821, 823, 830, 847, 864, 
-	873, 881, 888, 904, 912, 919, 926, 935, 
-	942, 958, 969, 975, 991, 1007, 1022, 1039, 
-	1055, 1072, 1079, 1081, 1088, 1105, 1122, 1131, 
-	1139, 1146, 1162, 1170, 1177, 1184, 1193, 1200, 
-	1218, 1234, 1252, 1263, 1270, 1272, 1279, 1296, 
-	1305, 1312, 1319, 1321, 1328
-};
-
-static const unsigned char _indic_syllable_machine_indicies[] = {
-	1, 0, 2, 3, 3, 4, 1, 0, 
-	3, 3, 4, 0, 3, 3, 4, 1, 
-	0, 5, 3, 3, 4, 1, 0, 6, 
-	0, 7, 0, 8, 3, 3, 4, 1, 
-	0, 2, 3, 3, 4, 1, 0, 0, 
-	0, 0, 9, 0, 11, 12, 12, 13, 
-	14, 10, 14, 10, 12, 12, 13, 10, 
-	12, 12, 13, 14, 10, 15, 12, 12, 
-	13, 14, 10, 16, 10, 17, 10, 18, 
-	12, 12, 13, 14, 10, 11, 12, 12, 
-	13, 14, 10, 10, 10, 10, 19, 10, 
-	11, 12, 12, 13, 14, 10, 10, 10, 
-	10, 20, 10, 22, 23, 23, 24, 25, 
-	21, 21, 21, 21, 26, 21, 25, 21, 
-	23, 23, 24, 27, 23, 23, 24, 25, 
-	21, 28, 23, 23, 24, 25, 21, 29, 
-	21, 30, 21, 22, 23, 23, 24, 25, 
-	21, 31, 23, 23, 24, 25, 21, 33, 
-	34, 34, 35, 36, 32, 32, 32, 32, 
-	37, 32, 36, 32, 34, 34, 35, 32, 
-	34, 34, 35, 36, 32, 38, 34, 34, 
-	35, 36, 32, 39, 32, 40, 32, 33, 
-	34, 34, 35, 36, 32, 41, 34, 34, 
-	35, 36, 32, 23, 23, 24, 1, 0, 
-	43, 42, 45, 46, 47, 48, 49, 50, 
-	24, 25, 44, 51, 52, 52, 26, 44, 
-	53, 54, 55, 56, 57, 44, 59, 60, 
-	61, 62, 4, 1, 58, 63, 58, 58, 
-	9, 58, 58, 58, 64, 58, 65, 60, 
-	66, 66, 4, 1, 58, 63, 58, 58, 
-	58, 58, 58, 58, 64, 58, 60, 66, 
-	66, 4, 1, 58, 63, 58, 58, 58, 
-	58, 58, 58, 64, 58, 45, 58, 58, 
-	58, 67, 68, 58, 1, 58, 63, 58, 
-	58, 58, 58, 58, 45, 58, 69, 69, 
-	58, 1, 58, 63, 58, 63, 58, 58, 
-	70, 58, 63, 58, 63, 58, 63, 58, 
-	58, 58, 58, 63, 58, 45, 58, 71, 
-	58, 69, 69, 58, 1, 58, 63, 58, 
-	58, 58, 58, 58, 45, 58, 45, 58, 
-	58, 58, 69, 69, 58, 1, 58, 63, 
-	58, 58, 58, 58, 58, 45, 58, 45, 
-	58, 58, 58, 69, 68, 58, 1, 58, 
-	63, 58, 58, 58, 58, 58, 45, 58, 
-	72, 7, 73, 74, 4, 1, 58, 63, 
-	58, 7, 73, 74, 4, 1, 58, 63, 
-	58, 73, 73, 4, 1, 58, 63, 58, 
-	75, 76, 76, 4, 1, 58, 63, 58, 
-	67, 77, 58, 1, 58, 63, 58, 67, 
-	58, 69, 69, 58, 1, 58, 63, 58, 
-	69, 77, 58, 1, 58, 63, 58, 59, 
-	60, 66, 66, 4, 1, 58, 63, 58, 
-	58, 58, 58, 58, 58, 64, 58, 59, 
-	60, 61, 66, 4, 1, 58, 63, 58, 
-	58, 9, 58, 58, 58, 64, 58, 79, 
-	80, 81, 82, 13, 14, 78, 83, 78, 
-	78, 20, 78, 78, 78, 84, 78, 85, 
-	80, 86, 82, 13, 14, 78, 83, 78, 
-	78, 78, 78, 78, 78, 84, 78, 80, 
-	86, 82, 13, 14, 78, 83, 78, 78, 
-	78, 78, 78, 78, 84, 78, 87, 78, 
-	78, 78, 88, 89, 78, 14, 78, 83, 
-	78, 78, 78, 78, 78, 87, 78, 90, 
-	80, 91, 92, 13, 14, 78, 83, 78, 
-	78, 19, 78, 78, 78, 84, 78, 93, 
-	80, 86, 86, 13, 14, 78, 83, 78, 
-	78, 78, 78, 78, 78, 84, 78, 80, 
-	86, 86, 13, 14, 78, 83, 78, 78, 
-	78, 78, 78, 78, 84, 78, 87, 78, 
-	78, 78, 94, 89, 78, 14, 78, 83, 
-	78, 78, 78, 78, 78, 87, 78, 83, 
-	78, 78, 95, 78, 83, 78, 83, 78, 
-	83, 78, 78, 78, 78, 83, 78, 87, 
-	78, 96, 78, 94, 94, 78, 14, 78, 
-	83, 78, 78, 78, 78, 78, 87, 78, 
-	87, 78, 78, 78, 94, 94, 78, 14, 
-	78, 83, 78, 78, 78, 78, 78, 87, 
-	78, 97, 17, 98, 99, 13, 14, 78, 
-	83, 78, 17, 98, 99, 13, 14, 78, 
-	83, 78, 98, 98, 13, 14, 78, 83, 
-	78, 100, 101, 101, 13, 14, 78, 83, 
-	78, 88, 102, 78, 14, 78, 83, 78, 
-	94, 94, 78, 14, 78, 83, 78, 88, 
-	78, 94, 94, 78, 14, 78, 83, 78, 
-	94, 102, 78, 14, 78, 83, 78, 90, 
-	80, 86, 86, 13, 14, 78, 83, 78, 
-	78, 78, 78, 78, 78, 84, 78, 90, 
-	80, 91, 86, 13, 14, 78, 83, 78, 
-	78, 19, 78, 78, 78, 84, 78, 11, 
-	12, 12, 13, 14, 78, 79, 80, 86, 
-	82, 13, 14, 78, 83, 78, 78, 78, 
-	78, 78, 78, 84, 78, 104, 48, 105, 
-	105, 24, 25, 103, 51, 103, 103, 103, 
-	103, 103, 103, 55, 103, 48, 105, 105, 
-	24, 25, 103, 51, 103, 103, 103, 103, 
-	103, 103, 55, 103, 106, 103, 103, 103, 
-	107, 108, 103, 25, 103, 51, 103, 103, 
-	103, 103, 103, 106, 103, 47, 48, 109, 
-	110, 24, 25, 103, 51, 103, 103, 26, 
-	103, 103, 103, 55, 103, 106, 103, 103, 
-	103, 111, 108, 103, 25, 103, 51, 103, 
-	103, 103, 103, 103, 106, 103, 51, 103, 
-	103, 112, 103, 51, 103, 51, 103, 51, 
-	103, 103, 103, 103, 51, 103, 106, 103, 
-	113, 103, 111, 111, 103, 25, 103, 51, 
-	103, 103, 103, 103, 103, 106, 103, 106, 
-	103, 103, 103, 111, 111, 103, 25, 103, 
-	51, 103, 103, 103, 103, 103, 106, 103, 
-	114, 30, 115, 116, 24, 25, 103, 51, 
-	103, 30, 115, 116, 24, 25, 103, 51, 
-	103, 115, 115, 24, 25, 103, 51, 103, 
-	47, 48, 105, 105, 24, 25, 103, 51, 
-	103, 103, 103, 103, 103, 103, 55, 103, 
-	117, 118, 118, 24, 25, 103, 51, 103, 
-	107, 119, 103, 25, 103, 51, 103, 111, 
-	111, 103, 25, 103, 51, 103, 107, 103, 
-	111, 111, 103, 25, 103, 51, 103, 111, 
-	119, 103, 25, 103, 51, 103, 47, 48, 
-	109, 105, 24, 25, 103, 51, 103, 103, 
-	26, 103, 103, 103, 55, 103, 22, 23, 
-	23, 24, 25, 120, 120, 120, 120, 26, 
-	120, 22, 23, 23, 24, 25, 120, 122, 
-	123, 124, 125, 35, 36, 121, 126, 121, 
-	121, 37, 121, 121, 121, 127, 121, 128, 
-	123, 125, 125, 35, 36, 121, 126, 121, 
-	121, 121, 121, 121, 121, 127, 121, 123, 
-	125, 125, 35, 36, 121, 126, 121, 121, 
-	121, 121, 121, 121, 127, 121, 129, 121, 
-	121, 121, 130, 131, 121, 36, 121, 126, 
-	121, 121, 121, 121, 121, 129, 121, 122, 
-	123, 124, 52, 35, 36, 121, 126, 121, 
-	121, 37, 121, 121, 121, 127, 121, 129, 
-	121, 121, 121, 132, 131, 121, 36, 121, 
-	126, 121, 121, 121, 121, 121, 129, 121, 
-	126, 121, 121, 133, 121, 126, 121, 126, 
-	121, 126, 121, 121, 121, 121, 126, 121, 
-	129, 121, 134, 121, 132, 132, 121, 36, 
-	121, 126, 121, 121, 121, 121, 121, 129, 
-	121, 129, 121, 121, 121, 132, 132, 121, 
-	36, 121, 126, 121, 121, 121, 121, 121, 
-	129, 121, 135, 40, 136, 137, 35, 36, 
-	121, 126, 121, 40, 136, 137, 35, 36, 
-	121, 126, 121, 136, 136, 35, 36, 121, 
-	126, 121, 122, 123, 125, 125, 35, 36, 
-	121, 126, 121, 121, 121, 121, 121, 121, 
-	127, 121, 138, 139, 139, 35, 36, 121, 
-	126, 121, 130, 140, 121, 36, 121, 126, 
-	121, 132, 132, 121, 36, 121, 126, 121, 
-	130, 121, 132, 132, 121, 36, 121, 126, 
-	121, 132, 140, 121, 36, 121, 126, 121, 
-	45, 46, 47, 48, 109, 105, 24, 25, 
-	103, 51, 52, 52, 26, 103, 103, 45, 
-	55, 103, 59, 141, 61, 62, 4, 1, 
-	58, 63, 58, 58, 9, 58, 58, 58, 
-	64, 58, 45, 46, 47, 48, 142, 143, 
-	24, 144, 58, 145, 58, 52, 26, 58, 
-	58, 45, 55, 58, 22, 146, 146, 24, 
-	144, 58, 63, 58, 58, 26, 58, 145, 
-	58, 58, 147, 58, 145, 58, 145, 58, 
-	145, 58, 58, 58, 58, 145, 58, 45, 
-	58, 71, 22, 146, 146, 24, 144, 58, 
-	63, 58, 58, 58, 58, 58, 45, 58, 
-	149, 148, 150, 150, 148, 43, 148, 151, 
-	148, 150, 150, 148, 43, 148, 151, 148, 
-	151, 148, 148, 152, 148, 151, 148, 151, 
-	148, 151, 148, 148, 148, 148, 151, 148, 
-	45, 120, 120, 120, 120, 120, 120, 120, 
-	120, 120, 52, 120, 120, 120, 120, 45, 
-	120, 0
-};
-
-static const unsigned char _indic_syllable_machine_trans_targs[] = {
-	39, 45, 50, 2, 51, 5, 6, 53, 
-	57, 58, 39, 67, 11, 73, 68, 14, 
-	15, 75, 80, 81, 84, 39, 89, 21, 
-	95, 90, 98, 39, 24, 25, 97, 103, 
-	39, 112, 30, 118, 113, 121, 33, 34, 
-	120, 126, 39, 137, 39, 40, 60, 85, 
-	87, 105, 106, 91, 107, 127, 128, 99, 
-	135, 140, 39, 41, 43, 8, 59, 46, 
-	54, 42, 1, 44, 48, 0, 47, 49, 
-	52, 3, 4, 55, 7, 56, 39, 61, 
-	63, 18, 83, 69, 76, 62, 9, 64, 
-	78, 71, 65, 17, 82, 66, 10, 70, 
-	72, 74, 12, 13, 77, 16, 79, 39, 
-	86, 26, 88, 101, 93, 19, 104, 20, 
-	92, 94, 96, 22, 23, 100, 27, 102, 
-	39, 39, 108, 110, 28, 35, 114, 122, 
-	109, 111, 124, 116, 29, 115, 117, 119, 
-	31, 32, 123, 36, 125, 129, 130, 134, 
-	131, 132, 37, 133, 39, 136, 38, 138, 
-	139
-};
-
-static const char _indic_syllable_machine_trans_actions[] = {
-	1, 0, 2, 0, 2, 0, 0, 2, 
-	2, 2, 3, 2, 0, 2, 0, 0, 
-	0, 2, 2, 2, 2, 4, 2, 0, 
-	5, 0, 5, 6, 0, 0, 5, 2, 
-	7, 2, 0, 2, 0, 2, 0, 0, 
-	2, 2, 8, 0, 11, 2, 2, 5, 
-	0, 12, 12, 0, 2, 5, 2, 5, 
-	2, 0, 13, 2, 0, 0, 2, 0, 
-	2, 2, 0, 2, 2, 0, 0, 2, 
-	2, 0, 0, 0, 0, 2, 14, 2, 
-	0, 0, 2, 0, 2, 2, 0, 2, 
-	2, 2, 2, 0, 2, 2, 0, 0, 
-	2, 2, 0, 0, 0, 0, 2, 15, 
-	5, 0, 5, 2, 2, 0, 5, 0, 
-	0, 2, 5, 0, 0, 0, 0, 2, 
-	16, 17, 2, 0, 0, 0, 0, 2, 
-	2, 2, 2, 2, 0, 0, 2, 2, 
-	0, 0, 0, 0, 2, 0, 18, 18, 
-	0, 0, 0, 0, 19, 2, 0, 0, 
-	0
-};
-
-static const char _indic_syllable_machine_to_state_actions[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 9, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0
-};
-
-static const char _indic_syllable_machine_from_state_actions[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 10, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0
-};
-
-static const short _indic_syllable_machine_eof_trans[] = {
-	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 11, 11, 11, 11, 11, 11, 11, 
-	11, 11, 11, 22, 22, 28, 22, 22, 
-	22, 22, 22, 22, 33, 33, 33, 33, 
-	33, 33, 33, 33, 33, 1, 43, 0, 
-	59, 59, 59, 59, 59, 59, 59, 59, 
-	59, 59, 59, 59, 59, 59, 59, 59, 
-	59, 59, 59, 59, 79, 79, 79, 79, 
-	79, 79, 79, 79, 79, 79, 79, 79, 
-	79, 79, 79, 79, 79, 79, 79, 79, 
-	79, 79, 79, 79, 79, 104, 104, 104, 
-	104, 104, 104, 104, 104, 104, 104, 104, 
-	104, 104, 104, 104, 104, 104, 104, 104, 
-	104, 121, 121, 122, 122, 122, 122, 122, 
-	122, 122, 122, 122, 122, 122, 122, 122, 
-	122, 122, 122, 122, 122, 122, 122, 104, 
-	59, 59, 59, 59, 59, 59, 59, 149, 
-	149, 149, 149, 149, 121
-};
-
-static const int indic_syllable_machine_start = 39;
-static const int indic_syllable_machine_first_final = 39;
-static const int indic_syllable_machine_error = -1;
-
-static const int indic_syllable_machine_en_main = 39;
-
-
-#line 46 "hb-ot-shape-complex-indic-machine.rl"
-
-
-
-#line 102 "hb-ot-shape-complex-indic-machine.rl"
-
-
-#define found_syllable(syllable_type) \
-  HB_STMT_START { \
-    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
-    for (unsigned int i = ts; i < te; i++) \
-      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
-    syllable_serial++; \
-    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
-  } HB_STMT_END
-
-static void
-find_syllables_indic (hb_buffer_t *buffer)
-{
-  unsigned int p, pe, eof, ts, te, act;
-  int cs;
-  hb_glyph_info_t *info = buffer->info;
-  
-#line 440 "hb-ot-shape-complex-indic-machine.hh"
-	{
-	cs = indic_syllable_machine_start;
-	ts = 0;
-	te = 0;
-	act = 0;
-	}
-
-#line 122 "hb-ot-shape-complex-indic-machine.rl"
-
-
-  p = 0;
-  pe = eof = buffer->len;
-
-  unsigned int syllable_serial = 1;
-  
-#line 456 "hb-ot-shape-complex-indic-machine.hh"
-	{
-	int _slen;
-	int _trans;
-	const unsigned char *_keys;
-	const unsigned char *_inds;
-	if ( p == pe )
-		goto _test_eof;
-_resume:
-	switch ( _indic_syllable_machine_from_state_actions[cs] ) {
-	case 10:
-#line 1 "NONE"
-	{ts = p;}
-	break;
-#line 470 "hb-ot-shape-complex-indic-machine.hh"
-	}
-
-	_keys = _indic_syllable_machine_trans_keys + (cs<<1);
-	_inds = _indic_syllable_machine_indicies + _indic_syllable_machine_index_offsets[cs];
-
-	_slen = _indic_syllable_machine_key_spans[cs];
-	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].indic_category()) &&
-		( info[p].indic_category()) <= _keys[1] ?
-		( info[p].indic_category()) - _keys[0] : _slen ];
-
-_eof_trans:
-	cs = _indic_syllable_machine_trans_targs[_trans];
-
-	if ( _indic_syllable_machine_trans_actions[_trans] == 0 )
-		goto _again;
-
-	switch ( _indic_syllable_machine_trans_actions[_trans] ) {
-	case 2:
-#line 1 "NONE"
-	{te = p+1;}
-	break;
-	case 11:
-#line 98 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p+1;{ found_syllable (indic_non_indic_cluster); }}
-	break;
-	case 13:
-#line 93 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_consonant_syllable); }}
-	break;
-	case 14:
-#line 94 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_vowel_syllable); }}
-	break;
-	case 17:
-#line 95 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_standalone_cluster); }}
-	break;
-	case 19:
-#line 96 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_symbol_cluster); }}
-	break;
-	case 15:
-#line 97 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_broken_cluster); }}
-	break;
-	case 16:
-#line 98 "hb-ot-shape-complex-indic-machine.rl"
-	{te = p;p--;{ found_syllable (indic_non_indic_cluster); }}
-	break;
-	case 1:
-#line 93 "hb-ot-shape-complex-indic-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (indic_consonant_syllable); }}
-	break;
-	case 3:
-#line 94 "hb-ot-shape-complex-indic-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (indic_vowel_syllable); }}
-	break;
-	case 7:
-#line 95 "hb-ot-shape-complex-indic-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (indic_standalone_cluster); }}
-	break;
-	case 8:
-#line 96 "hb-ot-shape-complex-indic-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (indic_symbol_cluster); }}
-	break;
-	case 4:
-#line 97 "hb-ot-shape-complex-indic-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (indic_broken_cluster); }}
-	break;
-	case 6:
-#line 1 "NONE"
-	{	switch( act ) {
-	case 1:
-	{{p = ((te))-1;} found_syllable (indic_consonant_syllable); }
-	break;
-	case 5:
-	{{p = ((te))-1;} found_syllable (indic_broken_cluster); }
-	break;
-	case 6:
-	{{p = ((te))-1;} found_syllable (indic_non_indic_cluster); }
-	break;
-	}
-	}
-	break;
-	case 18:
-#line 1 "NONE"
-	{te = p+1;}
-#line 93 "hb-ot-shape-complex-indic-machine.rl"
-	{act = 1;}
-	break;
-	case 5:
-#line 1 "NONE"
-	{te = p+1;}
-#line 97 "hb-ot-shape-complex-indic-machine.rl"
-	{act = 5;}
-	break;
-	case 12:
-#line 1 "NONE"
-	{te = p+1;}
-#line 98 "hb-ot-shape-complex-indic-machine.rl"
-	{act = 6;}
-	break;
-#line 573 "hb-ot-shape-complex-indic-machine.hh"
-	}
-
-_again:
-	switch ( _indic_syllable_machine_to_state_actions[cs] ) {
-	case 9:
-#line 1 "NONE"
-	{ts = 0;}
-	break;
-#line 582 "hb-ot-shape-complex-indic-machine.hh"
-	}
-
-	if ( ++p != pe )
-		goto _resume;
-	_test_eof: {}
-	if ( p == eof )
-	{
-	if ( _indic_syllable_machine_eof_trans[cs] > 0 ) {
-		_trans = _indic_syllable_machine_eof_trans[cs] - 1;
-		goto _eof_trans;
-	}
-	}
-
-	}
-
-#line 130 "hb-ot-shape-complex-indic-machine.rl"
-
-}
-
-#undef found_syllable
-
-#endif /* HB_OT_SHAPE_COMPLEX_INDIC_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-table.cc
deleted file mode 100644
index 326aa9f96e..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic-table.cc
+++ /dev/null
@@ -1,501 +0,0 @@
-/* == Start of generated table == */
-/*
- * The following table is generated by running:
- *
- *   ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt
- *
- * on files with these headers:
- *
- * # IndicSyllabicCategory-14.0.0.txt
- * # Date: 2021-05-22, 01:01:00 GMT [KW, RP]
- * # IndicPositionalCategory-14.0.0.txt
- * # Date: 2021-05-22, 01:01:00 GMT [KW, RP]
- * # Blocks-14.0.0.txt
- * # Date: 2021-01-22, 23:29:00 GMT [KW]
- */
-
-#include "hb.hh"
-
-#ifndef HB_NO_OT_SHAPE
-
-#include "hb-ot-shape-complex-indic.hh"
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-macros"
-
-#define ISC_A    INDIC_SYLLABIC_CATEGORY_AVAGRAHA                    /*   17 chars; Avagraha */
-#define ISC_Bi   INDIC_SYLLABIC_CATEGORY_BINDU                       /*   91 chars; Bindu */
-#define ISC_BJN  INDIC_SYLLABIC_CATEGORY_BRAHMI_JOINING_NUMBER       /*   20 chars; Brahmi_Joining_Number */
-#define ISC_Ca   INDIC_SYLLABIC_CATEGORY_CANTILLATION_MARK           /*   59 chars; Cantillation_Mark */
-#define ISC_C    INDIC_SYLLABIC_CATEGORY_CONSONANT                   /* 2206 chars; Consonant */
-#define ISC_CD   INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD              /*   14 chars; Consonant_Dead */
-#define ISC_CF   INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL             /*   70 chars; Consonant_Final */
-#define ISC_CHL  INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER       /*    5 chars; Consonant_Head_Letter */
-#define ISC_CIP  INDIC_SYLLABIC_CATEGORY_CONSONANT_INITIAL_POSTFIXED /*    1 chars; Consonant_Initial_Postfixed */
-#define ISC_CK   INDIC_SYLLABIC_CATEGORY_CONSONANT_KILLER            /*    2 chars; Consonant_Killer */
-#define ISC_CM   INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL            /*   31 chars; Consonant_Medial */
-#define ISC_CP   INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER       /*   22 chars; Consonant_Placeholder */
-#define ISC_CPR  INDIC_SYLLABIC_CATEGORY_CONSONANT_PRECEDING_REPHA   /*    3 chars; Consonant_Preceding_Repha */
-#define ISC_CPrf INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED          /*   10 chars; Consonant_Prefixed */
-#define ISC_CS   INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED         /*   94 chars; Consonant_Subjoined */
-#define ISC_CSR  INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA  /*    1 chars; Consonant_Succeeding_Repha */
-#define ISC_CWS  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER      /*    8 chars; Consonant_With_Stacker */
-#define ISC_GM   INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK             /*    3 chars; Gemination_Mark */
-#define ISC_IS   INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER           /*   12 chars; Invisible_Stacker */
-#define ISC_ZWJ  INDIC_SYLLABIC_CATEGORY_JOINER                      /*    1 chars; Joiner */
-#define ISC_ML   INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER            /*    1 chars; Modifying_Letter */
-#define ISC_ZWNJ INDIC_SYLLABIC_CATEGORY_NON_JOINER                  /*    1 chars; Non_Joiner */
-#define ISC_N    INDIC_SYLLABIC_CATEGORY_NUKTA                       /*   32 chars; Nukta */
-#define ISC_Nd   INDIC_SYLLABIC_CATEGORY_NUMBER                      /*  491 chars; Number */
-#define ISC_NJ   INDIC_SYLLABIC_CATEGORY_NUMBER_JOINER               /*    1 chars; Number_Joiner */
-#define ISC_x    INDIC_SYLLABIC_CATEGORY_OTHER                       /*    1 chars; Other */
-#define ISC_PK   INDIC_SYLLABIC_CATEGORY_PURE_KILLER                 /*   25 chars; Pure_Killer */
-#define ISC_RS   INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER            /*    2 chars; Register_Shifter */
-#define ISC_SM   INDIC_SYLLABIC_CATEGORY_SYLLABLE_MODIFIER           /*   25 chars; Syllable_Modifier */
-#define ISC_TL   INDIC_SYLLABIC_CATEGORY_TONE_LETTER                 /*    7 chars; Tone_Letter */
-#define ISC_TM   INDIC_SYLLABIC_CATEGORY_TONE_MARK                   /*   42 chars; Tone_Mark */
-#define ISC_V    INDIC_SYLLABIC_CATEGORY_VIRAMA                      /*   27 chars; Virama */
-#define ISC_Vs   INDIC_SYLLABIC_CATEGORY_VISARGA                     /*   35 chars; Visarga */
-#define ISC_Vo   INDIC_SYLLABIC_CATEGORY_VOWEL                       /*   30 chars; Vowel */
-#define ISC_M    INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT             /*  686 chars; Vowel_Dependent */
-#define ISC_VI   INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT           /*  486 chars; Vowel_Independent */
-
-#define IMC_B    INDIC_MATRA_CATEGORY_BOTTOM                         /*  352 chars; Bottom */
-#define IMC_BL   INDIC_MATRA_CATEGORY_BOTTOM_AND_LEFT                /*    1 chars; Bottom_And_Left */
-#define IMC_BR   INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT               /*    4 chars; Bottom_And_Right */
-#define IMC_L    INDIC_MATRA_CATEGORY_LEFT                           /*   64 chars; Left */
-#define IMC_LR   INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT                 /*   22 chars; Left_And_Right */
-#define IMC_x    INDIC_MATRA_CATEGORY_NOT_APPLICABLE                 /*    1 chars; Not_Applicable */
-#define IMC_O    INDIC_MATRA_CATEGORY_OVERSTRUCK                     /*   10 chars; Overstruck */
-#define IMC_R    INDIC_MATRA_CATEGORY_RIGHT                          /*  290 chars; Right */
-#define IMC_T    INDIC_MATRA_CATEGORY_TOP                            /*  418 chars; Top */
-#define IMC_TB   INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM                 /*   10 chars; Top_And_Bottom */
-#define IMC_TBL  INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_LEFT        /*    2 chars; Top_And_Bottom_And_Left */
-#define IMC_TBR  INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT       /*    1 chars; Top_And_Bottom_And_Right */
-#define IMC_TL   INDIC_MATRA_CATEGORY_TOP_AND_LEFT                   /*    6 chars; Top_And_Left */
-#define IMC_TLR  INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT         /*    4 chars; Top_And_Left_And_Right */
-#define IMC_TR   INDIC_MATRA_CATEGORY_TOP_AND_RIGHT                  /*   13 chars; Top_And_Right */
-#define IMC_VOL  INDIC_MATRA_CATEGORY_VISUAL_ORDER_LEFT              /*   19 chars; Visual_Order_Left */
-
-#pragma GCC diagnostic pop
-
-#define _(S,M) INDIC_COMBINE_CATEGORIES (ISC_##S, IMC_##M)
-
-
-static const uint16_t indic_table[] = {
-
-
-#define indic_offset_0x0028u 0
-
-
-  /* Basic Latin */
-
-  /* 0028 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(CP,x),  _(x,x),  _(x,x),
-  /* 0030 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0038 */ _(Nd,x), _(Nd,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0x00b0u 24
-
-
-  /* Latin-1 Supplement */
-
-  /* 00B0 */  _(x,x),  _(x,x), _(SM,x), _(SM,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 00B8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 00C0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 00C8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 00D0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(CP,x),
-
-#define indic_offset_0x0900u 64
-
-
-  /* Devanagari */
-
-  /* 0900 */ _(Bi,T), _(Bi,T), _(Bi,T), _(Vs,R), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0908 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0910 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0918 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0920 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0928 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0930 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0938 */  _(C,x),  _(C,x),  _(M,T),  _(M,R),  _(N,B),  _(A,x),  _(M,R),  _(M,L),
-  /* 0940 */  _(M,R),  _(M,B),  _(M,B),  _(M,B),  _(M,B),  _(M,T),  _(M,T),  _(M,T),
-  /* 0948 */  _(M,T),  _(M,R),  _(M,R),  _(M,R),  _(M,R),  _(V,B),  _(M,L),  _(M,R),
-  /* 0950 */  _(x,x), _(Ca,T), _(Ca,B),  _(x,T),  _(x,T),  _(M,T),  _(M,B),  _(M,B),
-  /* 0958 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0960 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0968 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0970 */  _(x,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0978 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-
-  /* Bengali */
-
-  /* 0980 */ _(CP,x), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0988 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x),  _(x,x), _(VI,x),
-  /* 0990 */ _(VI,x),  _(x,x),  _(x,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0998 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 09A0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 09A8 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 09B0 */  _(C,x),  _(x,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(C,x),  _(C,x),
-  /* 09B8 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(A,x),  _(M,R),  _(M,L),
-  /* 09C0 */  _(M,R),  _(M,B),  _(M,B),  _(M,B),  _(M,B),  _(x,x),  _(x,x),  _(M,L),
-  /* 09C8 */  _(M,L),  _(x,x),  _(x,x), _(M,LR), _(M,LR),  _(V,B), _(CD,x),  _(x,x),
-  /* 09D0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,R),
-  /* 09D8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),
-  /* 09E0 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 09E8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 09F0 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 09F8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(Bi,x),  _(x,x), _(SM,T),  _(x,x),
-
-  /* Gurmukhi */
-
-  /* 0A00 */  _(x,x), _(Bi,T), _(Bi,T), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0A08 */ _(VI,x), _(VI,x), _(VI,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(VI,x),
-  /* 0A10 */ _(VI,x),  _(x,x),  _(x,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0A18 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0A20 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0A28 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0A30 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),
-  /* 0A38 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(x,x),  _(M,R),  _(M,L),
-  /* 0A40 */  _(M,R),  _(M,B),  _(M,B),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,T),
-  /* 0A48 */  _(M,T),  _(x,x),  _(x,x),  _(M,T),  _(M,T),  _(V,B),  _(x,x),  _(x,x),
-  /* 0A50 */  _(x,x), _(Ca,B),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0A58 */  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(x,x),
-  /* 0A60 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0A68 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0A70 */ _(Bi,T), _(GM,T), _(CP,x), _(CP,x),  _(x,x), _(CM,B),  _(x,x),  _(x,x),
-  /* 0A78 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-  /* Gujarati */
-
-  /* 0A80 */  _(x,x), _(Bi,T), _(Bi,T), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0A88 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x), _(VI,x),
-  /* 0A90 */ _(VI,x), _(VI,x),  _(x,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0A98 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0AA0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0AA8 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0AB0 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0AB8 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(A,x),  _(M,R),  _(M,L),
-  /* 0AC0 */  _(M,R),  _(M,B),  _(M,B),  _(M,B),  _(M,B),  _(M,T),  _(x,x),  _(M,T),
-  /* 0AC8 */  _(M,T), _(M,TR),  _(x,x),  _(M,R),  _(M,R),  _(V,B),  _(x,x),  _(x,x),
-  /* 0AD0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0AD8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0AE0 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0AE8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0AF0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0AF8 */  _(x,x),  _(C,x), _(Ca,T), _(Ca,T), _(Ca,T),  _(N,T),  _(N,T),  _(N,T),
-
-  /* Oriya */
-
-  /* 0B00 */  _(x,x), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0B08 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x),  _(x,x), _(VI,x),
-  /* 0B10 */ _(VI,x),  _(x,x),  _(x,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0B18 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0B20 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0B28 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0B30 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0B38 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(A,x),  _(M,R),  _(M,T),
-  /* 0B40 */  _(M,R),  _(M,B),  _(M,B),  _(M,B),  _(M,B),  _(x,x),  _(x,x),  _(M,L),
-  /* 0B48 */ _(M,TL),  _(x,x),  _(x,x), _(M,LR),_(M,TLR),  _(V,B),  _(x,x),  _(x,x),
-  /* 0B50 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,T),  _(M,T), _(M,TR),
-  /* 0B58 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),
-  /* 0B60 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0B68 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0B70 */  _(x,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0B78 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-  /* Tamil */
-
-  /* 0B80 */  _(x,x),  _(x,x), _(Bi,T), _(ML,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0B88 */ _(VI,x), _(VI,x), _(VI,x),  _(x,x),  _(x,x),  _(x,x), _(VI,x), _(VI,x),
-  /* 0B90 */ _(VI,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(x,x),  _(x,x),
-  /* 0B98 */  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),
-  /* 0BA0 */  _(x,x),  _(x,x),  _(x,x),  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0BA8 */  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(C,x),  _(C,x),
-  /* 0BB0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0BB8 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,R),  _(M,R),
-  /* 0BC0 */  _(M,T),  _(M,R),  _(M,R),  _(x,x),  _(x,x),  _(x,x),  _(M,L),  _(M,L),
-  /* 0BC8 */  _(M,L),  _(x,x), _(M,LR), _(M,LR), _(M,LR),  _(V,T),  _(x,x),  _(x,x),
-  /* 0BD0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,R),
-  /* 0BD8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0BE0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0BE8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0BF0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0BF8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-  /* Telugu */
-
-  /* 0C00 */ _(Bi,T), _(Bi,R), _(Bi,R), _(Vs,R), _(Bi,T), _(VI,x), _(VI,x), _(VI,x),
-  /* 0C08 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x), _(VI,x), _(VI,x),
-  /* 0C10 */ _(VI,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C18 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C20 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C28 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C30 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C38 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(A,x),  _(M,T),  _(M,T),
-  /* 0C40 */  _(M,T),  _(M,R),  _(M,R),  _(M,R),  _(M,R),  _(x,x),  _(M,T),  _(M,T),
-  /* 0C48 */ _(M,TB),  _(x,x),  _(M,T),  _(M,T),  _(M,T),  _(V,T),  _(x,x),  _(x,x),
-  /* 0C50 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,T),  _(M,B),  _(x,x),
-  /* 0C58 */  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(x,x), _(CD,x),  _(x,x),  _(x,x),
-  /* 0C60 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0C68 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0C70 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0C78 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-  /* Kannada */
-
-  /* 0C80 */ _(Bi,x), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0C88 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x), _(VI,x), _(VI,x),
-  /* 0C90 */ _(VI,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0C98 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0CA0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0CA8 */  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0CB0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0CB8 */  _(C,x),  _(C,x),  _(x,x),  _(x,x),  _(N,B),  _(A,x),  _(M,R),  _(M,T),
-  /* 0CC0 */ _(M,TR),  _(M,R),  _(M,R),  _(M,R),  _(M,R),  _(x,x),  _(M,T), _(M,TR),
-  /* 0CC8 */ _(M,TR),  _(x,x), _(M,TR), _(M,TR),  _(M,T),  _(V,T),  _(x,x),  _(x,x),
-  /* 0CD0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,R),  _(M,R),  _(x,x),
-  /* 0CD8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(CD,x),  _(C,x),  _(x,x),
-  /* 0CE0 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0CE8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0CF0 */  _(x,x),_(CWS,x),_(CWS,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0CF8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-  /* Malayalam */
-
-  /* 0D00 */ _(Bi,T), _(Bi,T), _(Bi,R), _(Vs,R), _(Bi,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0D08 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x), _(VI,x), _(VI,x),
-  /* 0D10 */ _(VI,x),  _(x,x), _(VI,x), _(VI,x), _(VI,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D18 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D20 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D28 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D30 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0D38 */  _(C,x),  _(C,x),  _(C,x), _(PK,T), _(PK,T),  _(A,x),  _(M,R),  _(M,R),
-  /* 0D40 */  _(M,R),  _(M,R),  _(M,R),  _(M,B),  _(M,B),  _(x,x),  _(M,L),  _(M,L),
-  /* 0D48 */  _(M,L),  _(x,x), _(M,LR), _(M,LR), _(M,LR),  _(V,T),_(CPR,T),  _(x,x),
-  /* 0D50 */  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(CD,x), _(CD,x), _(CD,x),  _(M,R),
-  /* 0D58 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(VI,x),
-  /* 0D60 */ _(VI,x), _(VI,x),  _(M,B),  _(M,B),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0D68 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0D70 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 0D78 */  _(x,x),  _(x,x), _(CD,x), _(CD,x), _(CD,x), _(CD,x), _(CD,x), _(CD,x),
-
-  /* Sinhala */
-
-  /* 0D80 */  _(x,x), _(Bi,T), _(Bi,R), _(Vs,R),  _(x,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0D88 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 0D90 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x),
-  /* 0D98 */  _(x,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0DA0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0DA8 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0DB0 */  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 0DB8 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(x,x),  _(C,x),  _(x,x),  _(x,x),
-  /* 0DC0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(x,x),
-  /* 0DC8 */  _(x,x),  _(x,x),  _(V,T),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(M,R),
-  /* 0DD0 */  _(M,R),  _(M,R),  _(M,T),  _(M,T),  _(M,B),  _(x,x),  _(M,B),  _(x,x),
-  /* 0DD8 */  _(M,R),  _(M,L), _(M,TL),  _(M,L), _(M,LR),_(M,TLR), _(M,LR),  _(M,R),
-  /* 0DE0 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(Nd,x), _(Nd,x),
-  /* 0DE8 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 0DF0 */  _(x,x),  _(x,x),  _(M,R),  _(M,R),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0x1000u 1336
-
-
-  /* Myanmar */
-
-  /* 1000 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1008 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1010 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1018 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1020 */  _(C,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 1028 */ _(VI,x), _(VI,x), _(VI,x),  _(M,R),  _(M,R),  _(M,T),  _(M,T),  _(M,B),
-  /* 1030 */  _(M,B),  _(M,L),  _(M,T),  _(M,T),  _(M,T),  _(M,T), _(Bi,T), _(TM,B),
-  /* 1038 */ _(Vs,R), _(IS,x), _(PK,T), _(CM,R),_(CM,TBL), _(CM,B), _(CM,B),  _(C,x),
-  /* 1040 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 1048 */ _(Nd,x), _(Nd,x),  _(x,x), _(CP,x),  _(x,x),  _(x,x), _(CP,x),  _(x,x),
-  /* 1050 */  _(C,x),  _(C,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(M,R),  _(M,R),
-  /* 1058 */  _(M,B),  _(M,B),  _(C,x),  _(C,x),  _(C,x),  _(C,x), _(CM,B), _(CM,B),
-  /* 1060 */ _(CM,B),  _(C,x),  _(M,R), _(TM,R), _(TM,R),  _(C,x),  _(C,x),  _(M,R),
-  /* 1068 */  _(M,R), _(TM,R), _(TM,R), _(TM,R), _(TM,R), _(TM,R),  _(C,x),  _(C,x),
-  /* 1070 */  _(C,x),  _(M,T),  _(M,T),  _(M,T),  _(M,T),  _(C,x),  _(C,x),  _(C,x),
-  /* 1078 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1080 */  _(C,x),  _(C,x), _(CM,B),  _(M,R),  _(M,L),  _(M,T),  _(M,T), _(TM,R),
-  /* 1088 */ _(TM,R), _(TM,R), _(TM,R), _(TM,R), _(TM,R), _(TM,B),  _(C,x), _(TM,R),
-  /* 1090 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 1098 */ _(Nd,x), _(Nd,x), _(TM,R), _(TM,R),  _(M,R),  _(M,T),  _(x,x),  _(x,x),
-
-#define indic_offset_0x1780u 1496
-
-
-  /* Khmer */
-
-  /* 1780 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1788 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1790 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 1798 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* 17A0 */  _(C,x),  _(C,x),  _(C,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 17A8 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x), _(VI,x),
-  /* 17B0 */ _(VI,x), _(VI,x), _(VI,x), _(VI,x),  _(x,x),  _(x,x),  _(M,R),  _(M,T),
-  /* 17B8 */  _(M,T),  _(M,T),  _(M,T),  _(M,B),  _(M,B),  _(M,B), _(M,TL),_(M,TLR),
-  /* 17C0 */ _(M,LR),  _(M,L),  _(M,L),  _(M,L), _(M,LR), _(M,LR), _(Bi,T), _(Vs,R),
-  /* 17C8 */  _(M,R), _(RS,T), _(RS,T), _(SM,T),_(CSR,T), _(CK,T), _(SM,T), _(SM,T),
-  /* 17D0 */ _(SM,T), _(PK,T), _(IS,x), _(SM,T),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 17D8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(A,x), _(SM,T),  _(x,x),  _(x,x),
-  /* 17E0 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* 17E8 */ _(Nd,x), _(Nd,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0x1cd0u 1608
-
-
-  /* Vedic Extensions */
-
-  /* 1CD0 */ _(Ca,T), _(Ca,T), _(Ca,T),  _(x,x), _(Ca,O), _(Ca,B), _(Ca,B), _(Ca,B),
-  /* 1CD8 */ _(Ca,B), _(Ca,B), _(Ca,T), _(Ca,T), _(Ca,B), _(Ca,B), _(Ca,B), _(Ca,B),
-  /* 1CE0 */ _(Ca,T), _(Ca,R),  _(x,O),  _(x,O),  _(x,O),  _(x,O),  _(x,O),  _(x,O),
-  /* 1CE8 */  _(x,O),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,B),  _(x,x),  _(x,x),
-  /* 1CF0 */  _(x,x),  _(x,x), _(CD,x), _(CD,x), _(Ca,T),_(CWS,x),_(CWS,x), _(Ca,R),
-  /* 1CF8 */ _(Ca,x), _(Ca,x), _(CP,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0x2008u 1656
-
-
-  /* General Punctuation */
-
-  /* 2008 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),_(ZWNJ,x),_(ZWJ,x),  _(x,x),  _(x,x),
-  /* 2010 */ _(CP,x), _(CP,x), _(CP,x), _(CP,x), _(CP,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0x2070u 1672
-
-
-  /* Superscripts and Subscripts */
-
-  /* 2070 */  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(SM,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 2078 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* 2080 */  _(x,x),  _(x,x), _(SM,x), _(SM,x), _(SM,x),  _(x,x),  _(x,x),  _(x,x),
-
-#define indic_offset_0xa8e0u 1696
-
-
-  /* Devanagari Extended */
-
-  /* A8E0 */ _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T),
-  /* A8E8 */ _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T), _(Ca,T),
-  /* A8F0 */ _(Ca,T), _(Ca,T), _(Bi,x), _(Bi,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),
-  /* A8F8 */  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x),  _(x,x), _(VI,x),  _(M,T),
-
-#define indic_offset_0xa9e0u 1728
-
-
-  /* Myanmar Extended-B */
-
-  /* A9E0 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(M,T),  _(x,x),  _(C,x),
-  /* A9E8 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* A9F0 */ _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x), _(Nd,x),
-  /* A9F8 */ _(Nd,x), _(Nd,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(x,x),
-
-#define indic_offset_0xaa60u 1760
-
-
-  /* Myanmar Extended-A */
-
-  /* AA60 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* AA68 */  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),  _(C,x),
-  /* AA70 */  _(x,x),  _(C,x),  _(C,x),  _(C,x), _(CP,x), _(CP,x), _(CP,x),  _(x,x),
-  /* AA78 */  _(x,x),  _(x,x),  _(C,x), _(TM,R), _(TM,T), _(TM,R),  _(C,x),  _(C,x),
-
-}; /* Table items: 1792; occupancy: 71% */
-
-uint16_t
-hb_indic_get_categories (hb_codepoint_t u)
-{
-  switch (u >> 12)
-  {
-    case 0x0u:
-      if (unlikely (u == 0x00A0u)) return _(CP,x);
-      if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return indic_table[u - 0x0028u + indic_offset_0x0028u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x00B0u, 0x00D7u)) return indic_table[u - 0x00B0u + indic_offset_0x00b0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return indic_table[u - 0x0900u + indic_offset_0x0900u];
-      break;
-
-    case 0x1u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x1000u, 0x109Fu)) return indic_table[u - 0x1000u + indic_offset_0x1000u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1780u, 0x17EFu)) return indic_table[u - 0x1780u + indic_offset_0x1780u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1CD0u, 0x1CFFu)) return indic_table[u - 0x1CD0u + indic_offset_0x1cd0u];
-      break;
-
-    case 0x2u:
-      if (unlikely (u == 0x25CCu)) return _(CP,x);
-      if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2017u)) return indic_table[u - 0x2008u + indic_offset_0x2008u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x2070u, 0x2087u)) return indic_table[u - 0x2070u + indic_offset_0x2070u];
-      break;
-
-    case 0xAu:
-      if (hb_in_range<hb_codepoint_t> (u, 0xA8E0u, 0xA8FFu)) return indic_table[u - 0xA8E0u + indic_offset_0xa8e0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0xA9E0u, 0xA9FFu)) return indic_table[u - 0xA9E0u + indic_offset_0xa9e0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
-      break;
-
-    default:
-      break;
-  }
-  return _(x,x);
-}
-
-#undef _
-
-#undef ISC_A
-#undef ISC_Bi
-#undef ISC_BJN
-#undef ISC_Ca
-#undef ISC_C
-#undef ISC_CD
-#undef ISC_CF
-#undef ISC_CHL
-#undef ISC_CIP
-#undef ISC_CK
-#undef ISC_CM
-#undef ISC_CP
-#undef ISC_CPR
-#undef ISC_CPrf
-#undef ISC_CS
-#undef ISC_CSR
-#undef ISC_CWS
-#undef ISC_GM
-#undef ISC_IS
-#undef ISC_ZWJ
-#undef ISC_ML
-#undef ISC_ZWNJ
-#undef ISC_N
-#undef ISC_Nd
-#undef ISC_NJ
-#undef ISC_x
-#undef ISC_PK
-#undef ISC_RS
-#undef ISC_SM
-#undef ISC_TL
-#undef ISC_TM
-#undef ISC_V
-#undef ISC_Vs
-#undef ISC_Vo
-#undef ISC_M
-#undef ISC_VI
-
-#undef IMC_B
-#undef IMC_BL
-#undef IMC_BR
-#undef IMC_L
-#undef IMC_LR
-#undef IMC_x
-#undef IMC_O
-#undef IMC_R
-#undef IMC_T
-#undef IMC_TB
-#undef IMC_TBL
-#undef IMC_TBR
-#undef IMC_TL
-#undef IMC_TLR
-#undef IMC_TR
-#undef IMC_VOL
-
-#endif
-
-/* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic.hh
deleted file mode 100644
index da77a2887c..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic.hh
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * Copyright © 2012  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_INDIC_HH
-#define HB_OT_SHAPE_COMPLEX_INDIC_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-syllabic.hh"
-
-
-/* buffer var allocations */
-#define indic_category() complex_var_u8_category() /* indic_category_t */
-#define indic_position() complex_var_u8_auxiliary() /* indic_position_t */
-
-
-/* Cateories used in the OpenType spec:
- * https://docs.microsoft.com/en-us/typography/script-development/devanagari
- */
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum indic_category_t {
-  OT_X = 0,
-  OT_C = 1,
-  OT_V = 2,
-  OT_N = 3,
-  OT_H = 4,
-  OT_ZWNJ = 5,
-  OT_ZWJ = 6,
-  OT_M = 7,
-  OT_SM = 8,
-  /* OT_VD = 9, UNUSED; we use OT_A instead. */
-  OT_A = 10,
-  OT_PLACEHOLDER = 11,
-  OT_DOTTEDCIRCLE = 12,
-  OT_RS = 13, /* Register Shifter, used in Khmer OT spec. */
-  OT_Coeng = 14, /* Khmer-style Virama. */
-  OT_Repha = 15, /* Atomically-encoded logical or visual repha. */
-  OT_Ra = 16,
-  OT_CM = 17,  /* Consonant-Medial. */
-  OT_Symbol = 18, /* Avagraha, etc that take marks (SM,A,VD). */
-  OT_CS = 19,
-
-  /* The following are used by Khmer & Myanmar shapers.  Defined
-   * here for them to share. */
-  OT_VAbv    = 26,
-  OT_VBlw    = 27,
-  OT_VPre    = 28,
-  OT_VPst    = 29,
-};
-
-#define MEDIAL_FLAGS (FLAG (OT_CM))
-
-/* Note:
- *
- * We treat Vowels and placeholders as if they were consonants.  This is safe because Vowels
- * cannot happen in a consonant syllable.  The plus side however is, we can call the
- * consonant syllable logic from the vowel syllable function and get it all right! */
-#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_CS) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_PLACEHOLDER) | FLAG (OT_DOTTEDCIRCLE))
-#define JOINER_FLAGS (FLAG (OT_ZWJ) | FLAG (OT_ZWNJ))
-
-
-/* Visual positions in a syllable from left to right. */
-enum indic_position_t {
-  POS_START = 0,
-
-  POS_RA_TO_BECOME_REPH = 1,
-  POS_PRE_M = 2,
-  POS_PRE_C = 3,
-
-  POS_BASE_C = 4,
-  POS_AFTER_MAIN = 5,
-
-  POS_ABOVE_C = 6,
-
-  POS_BEFORE_SUB = 7,
-  POS_BELOW_C = 8,
-  POS_AFTER_SUB = 9,
-
-  POS_BEFORE_POST = 10,
-  POS_POST_C = 11,
-  POS_AFTER_POST = 12,
-
-  POS_FINAL_C = 13,
-  POS_SMVD = 14,
-
-  POS_END = 15
-};
-
-/* Categories used in IndicSyllabicCategory.txt from UCD. */
-enum indic_syllabic_category_t {
-  INDIC_SYLLABIC_CATEGORY_OTHER				= OT_X,
-
-  INDIC_SYLLABIC_CATEGORY_AVAGRAHA			= OT_Symbol,
-  INDIC_SYLLABIC_CATEGORY_BINDU				= OT_SM,
-  INDIC_SYLLABIC_CATEGORY_BRAHMI_JOINING_NUMBER		= OT_PLACEHOLDER, /* Don't care. */
-  INDIC_SYLLABIC_CATEGORY_CANTILLATION_MARK		= OT_A,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT			= OT_C,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD		= OT_C,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL		= OT_CM,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER		= OT_C,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_KILLER		= OT_M, /* U+17CD only. */
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL		= OT_CM,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER		= OT_PLACEHOLDER,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_PRECEDING_REPHA	= OT_Repha,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_PREFIXED		= OT_X, /* Don't care. */
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED		= OT_CM,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA	= OT_CM,
-  INDIC_SYLLABIC_CATEGORY_CONSONANT_WITH_STACKER	= OT_CS,
-  INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK		= OT_SM, /* https://github.com/harfbuzz/harfbuzz/issues/552 */
-  INDIC_SYLLABIC_CATEGORY_INVISIBLE_STACKER		= OT_Coeng,
-  INDIC_SYLLABIC_CATEGORY_JOINER			= OT_ZWJ,
-  INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER		= OT_X,
-  INDIC_SYLLABIC_CATEGORY_NON_JOINER			= OT_ZWNJ,
-  INDIC_SYLLABIC_CATEGORY_NUKTA				= OT_N,
-  INDIC_SYLLABIC_CATEGORY_NUMBER			= OT_PLACEHOLDER,
-  INDIC_SYLLABIC_CATEGORY_NUMBER_JOINER			= OT_PLACEHOLDER, /* Don't care. */
-  INDIC_SYLLABIC_CATEGORY_PURE_KILLER			= OT_M, /* Is like a vowel matra. */
-  INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER		= OT_RS,
-  INDIC_SYLLABIC_CATEGORY_SYLLABLE_MODIFIER		= OT_SM,
-  INDIC_SYLLABIC_CATEGORY_TONE_LETTER			= OT_X,
-  INDIC_SYLLABIC_CATEGORY_TONE_MARK			= OT_N,
-  INDIC_SYLLABIC_CATEGORY_VIRAMA			= OT_H,
-  INDIC_SYLLABIC_CATEGORY_VISARGA			= OT_SM,
-  INDIC_SYLLABIC_CATEGORY_VOWEL				= OT_V,
-  INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT		= OT_M,
-  INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT		= OT_V
-};
-
-/* Categories used in IndicSMatraCategory.txt from UCD */
-enum indic_matra_category_t {
-  INDIC_MATRA_CATEGORY_NOT_APPLICABLE			= POS_END,
-
-  INDIC_MATRA_CATEGORY_LEFT				= POS_PRE_C,
-  INDIC_MATRA_CATEGORY_TOP				= POS_ABOVE_C,
-  INDIC_MATRA_CATEGORY_BOTTOM				= POS_BELOW_C,
-  INDIC_MATRA_CATEGORY_RIGHT				= POS_POST_C,
-
-  /* These should resolve to the position of the last part of the split sequence. */
-  INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT			= INDIC_MATRA_CATEGORY_RIGHT,
-  INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT			= INDIC_MATRA_CATEGORY_RIGHT,
-  INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM			= INDIC_MATRA_CATEGORY_BOTTOM,
-  INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_LEFT		= INDIC_MATRA_CATEGORY_BOTTOM,
-  INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT		= INDIC_MATRA_CATEGORY_RIGHT,
-  INDIC_MATRA_CATEGORY_TOP_AND_LEFT			= INDIC_MATRA_CATEGORY_TOP,
-  INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT		= INDIC_MATRA_CATEGORY_RIGHT,
-  INDIC_MATRA_CATEGORY_TOP_AND_RIGHT			= INDIC_MATRA_CATEGORY_RIGHT,
-
-  INDIC_MATRA_CATEGORY_OVERSTRUCK			= POS_AFTER_MAIN,
-  INDIC_MATRA_CATEGORY_VISUAL_ORDER_LEFT		= POS_PRE_M
-};
-
-#define INDIC_COMBINE_CATEGORIES(S,M) \
-  ( \
-    static_assert_expr (S < 255 && M < 255) + \
-    ( S | \
-     ( \
-      ( \
-       S == INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL || \
-       S == INDIC_SYLLABIC_CATEGORY_GEMINATION_MARK || \
-       S == INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER || \
-       S == INDIC_SYLLABIC_CATEGORY_CONSONANT_SUCCEEDING_REPHA || \
-       S == INDIC_SYLLABIC_CATEGORY_VIRAMA || \
-       S == INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT || \
-       false \
-       ? M : INDIC_MATRA_CATEGORY_NOT_APPLICABLE \
-      ) << 8 \
-     ) \
-    ) \
-   )
-
-HB_INTERNAL uint16_t
-hb_indic_get_categories (hb_codepoint_t u);
-
-
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
-  /* If it ligated, all bets are off. */
-  if (_hb_glyph_info_ligated (&info)) return false;
-  return !!(FLAG_UNSAFE (info.indic_category()) & flags);
-}
-
-static inline bool
-is_joiner (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, JOINER_FLAGS);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, CONSONANT_FLAGS);
-}
-
-static inline bool
-is_halant (const hb_glyph_info_t &info)
-{
-  return is_one_of (info, FLAG (OT_H));
-}
-
-#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
-
-#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
-#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
-#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
-#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
-#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
-#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
-#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
-#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
-#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
-#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
-
-
-#define MATRA_POS_LEFT(u)	POS_PRE_M
-#define MATRA_POS_RIGHT(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_POST : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_POST : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_TOP(u)	( /* BENG and MLYM don't have top matras. */ \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
-				  IS_GUJR(u) ? POS_AFTER_SUB  : \
-				  IS_ORYA(u) ? POS_AFTER_MAIN : \
-				  IS_TAML(u) ? POS_AFTER_SUB  : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-#define MATRA_POS_BOTTOM(u)	( \
-				  IS_DEVA(u) ? POS_AFTER_SUB  : \
-				  IS_BENG(u) ? POS_AFTER_SUB  : \
-				  IS_GURU(u) ? POS_AFTER_POST : \
-				  IS_GUJR(u) ? POS_AFTER_POST : \
-				  IS_ORYA(u) ? POS_AFTER_SUB  : \
-				  IS_TAML(u) ? POS_AFTER_POST : \
-				  IS_TELU(u) ? POS_BEFORE_SUB : \
-				  IS_KNDA(u) ? POS_BEFORE_SUB : \
-				  IS_MLYM(u) ? POS_AFTER_POST : \
-				  IS_SINH(u) ? POS_AFTER_SUB  : \
-				  /*default*/  POS_AFTER_SUB    \
-				)
-
-static inline indic_position_t
-matra_position_indic (hb_codepoint_t u, indic_position_t side)
-{
-  switch ((int) side)
-  {
-    case POS_PRE_C:	return MATRA_POS_LEFT (u);
-    case POS_POST_C:	return MATRA_POS_RIGHT (u);
-    case POS_ABOVE_C:	return MATRA_POS_TOP (u);
-    case POS_BELOW_C:	return MATRA_POS_BOTTOM (u);
-  }
-  return side;
-}
-
-/* XXX
- * This is a hack for now.  We should move this data into the main Indic table.
- * Or completely remove it and just check in the tables.
- */
-static const hb_codepoint_t ra_chars[] = {
-  0x0930u, /* Devanagari */
-  0x09B0u, /* Bengali */
-  0x09F0u, /* Bengali */
-  0x0A30u, /* Gurmukhi */	/* No Reph */
-  0x0AB0u, /* Gujarati */
-  0x0B30u, /* Oriya */
-  0x0BB0u, /* Tamil */		/* No Reph */
-  0x0C30u, /* Telugu */		/* Reph formed only with ZWJ */
-  0x0CB0u, /* Kannada */
-  0x0D30u, /* Malayalam */	/* No Reph, Logical Repha */
-
-  0x0DBBu, /* Sinhala */	/* Reph formed only with ZWJ */
-};
-
-static inline bool
-is_ra (hb_codepoint_t u)
-{
-  return hb_array (ra_chars).lfind (u);
-}
-
-static inline void
-set_indic_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  indic_category_t cat = (indic_category_t) (type & 0xFFu);
-  indic_position_t pos = (indic_position_t) (type >> 8);
-
-
-  /*
-   * Re-assign category
-   */
-
-  /* The following act more like the Bindus. */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
-    cat = OT_SM;
-  /* The following act like consonants. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
-				      0x1CF5u, 0x1CF6u)))
-    cat = OT_C;
-  /* TODO: The following should only be allowed after a Visarga.
-   * For now, just treat them like regular tone marks. */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
-    cat = OT_A;
-  /* TODO: The following should only be allowed after some of
-   * the nasalization marks, maybe only for U+1CE9..U+1CF1.
-   * For now, just treat them like tone marks. */
-  else if (unlikely (u == 0x1CEDu))
-    cat = OT_A;
-  /* The following take marks in standalone clusters, similar to Avagraha. */
-  else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
-				      0x1CE9u, 0x1CECu,
-				      0x1CEEu, 0x1CF1u)))
-  {
-    cat = OT_Symbol;
-    static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
-  }
-  else if (unlikely (u == 0x0A51u))
-  {
-    /* https://github.com/harfbuzz/harfbuzz/issues/524 */
-    cat = OT_M;
-    pos = POS_BELOW_C;
-  }
-
-  /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
-   * so the Indic shaper needs to know their categories. */
-  else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
-  else if (unlikely (u == 0x1133Bu || u == 0x1133Cu)) cat = OT_N;
-
-  else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
-  else if (unlikely (u == 0x0B55u)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/2849 */
-
-  else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
-  else if (unlikely (u == 0x09FCu)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/1613 */
-  else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
-  else if (unlikely (u == 0x0D04u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/3511 */
-  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
-				    cat = OT_PLACEHOLDER;
-  else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
-  /*
-   * Re-assign position.
-   */
-
-  if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
-  {
-    pos = POS_BASE_C;
-    if (is_ra (u))
-      cat = OT_Ra;
-  }
-  else if (cat == OT_M)
-  {
-    pos = matra_position_indic (u, pos);
-  }
-  else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
-  {
-    pos = POS_SMVD;
-  }
-
-  if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
-
-
-
-  info.indic_category() = cat;
-  info.indic_position() = pos;
-}
-
-struct hb_indic_would_substitute_feature_t
-{
-  void init (const hb_ot_map_t *map, hb_tag_t feature_tag, bool zero_context_)
-  {
-    zero_context = zero_context_;
-    map->get_stage_lookups (0/*GSUB*/,
-			    map->get_feature_stage (0/*GSUB*/, feature_tag),
-			    &lookups, &count);
-  }
-
-  bool would_substitute (const hb_codepoint_t *glyphs,
-			 unsigned int          glyphs_count,
-			 hb_face_t            *face) const
-  {
-    for (unsigned int i = 0; i < count; i++)
-      if (hb_ot_layout_lookup_would_substitute (face, lookups[i].index, glyphs, glyphs_count, zero_context))
-	return true;
-    return false;
-  }
-
-  private:
-  const hb_ot_map_t::lookup_map_t *lookups;
-  unsigned int count;
-  bool zero_context;
-};
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_INDIC_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer-machine.hh
deleted file mode 100644
index c52f72f394..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer-machine.hh
+++ /dev/null
@@ -1,396 +0,0 @@
-
-#line 1 "hb-ot-shape-complex-khmer-machine.rl"
-/*
- * Copyright © 2011,2012  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
-#define HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
-
-#include "hb.hh"
-
-enum khmer_syllable_type_t {
-  khmer_consonant_syllable,
-  khmer_broken_cluster,
-  khmer_non_khmer_cluster,
-};
-
-
-#line 42 "hb-ot-shape-complex-khmer-machine.hh"
-#define khmer_syllable_machine_ex_C 1u
-#define khmer_syllable_machine_ex_Coeng 14u
-#define khmer_syllable_machine_ex_DOTTEDCIRCLE 12u
-#define khmer_syllable_machine_ex_PLACEHOLDER 11u
-#define khmer_syllable_machine_ex_Ra 16u
-#define khmer_syllable_machine_ex_Robatic 20u
-#define khmer_syllable_machine_ex_V 2u
-#define khmer_syllable_machine_ex_VAbv 26u
-#define khmer_syllable_machine_ex_VBlw 27u
-#define khmer_syllable_machine_ex_VPre 28u
-#define khmer_syllable_machine_ex_VPst 29u
-#define khmer_syllable_machine_ex_Xgroup 21u
-#define khmer_syllable_machine_ex_Ygroup 22u
-#define khmer_syllable_machine_ex_ZWJ 6u
-#define khmer_syllable_machine_ex_ZWNJ 5u
-
-
-#line 60 "hb-ot-shape-complex-khmer-machine.hh"
-static const unsigned char _khmer_syllable_machine_trans_keys[] = {
-	5u, 26u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u, 5u, 21u, 
-	5u, 26u, 5u, 21u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u, 
-	5u, 21u, 5u, 26u, 5u, 21u, 5u, 26u, 1u, 29u, 5u, 29u, 5u, 29u, 5u, 29u, 
-	22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 26u, 5u, 29u, 
-	5u, 29u, 22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 29u, 5u, 29u, 
-	0
-};
-
-static const char _khmer_syllable_machine_key_spans[] = {
-	22, 17, 22, 17, 16, 17, 22, 17, 
-	22, 17, 17, 22, 17, 16, 17, 22, 
-	17, 22, 17, 22, 29, 25, 25, 25, 
-	1, 18, 25, 25, 25, 16, 22, 25, 
-	25, 1, 18, 25, 25, 16, 25, 25
-};
-
-static const short _khmer_syllable_machine_index_offsets[] = {
-	0, 23, 41, 64, 82, 99, 117, 140, 
-	158, 181, 199, 217, 240, 258, 275, 293, 
-	316, 334, 357, 375, 398, 428, 454, 480, 
-	506, 508, 527, 553, 579, 605, 622, 645, 
-	671, 697, 699, 718, 744, 770, 787, 813
-};
-
-static const char _khmer_syllable_machine_indicies[] = {
-	1, 1, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 2, 
-	3, 0, 0, 0, 0, 4, 0, 1, 
-	1, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 3, 
-	0, 1, 1, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 3, 0, 0, 0, 0, 4, 0, 
-	5, 5, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	4, 0, 6, 6, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 6, 0, 7, 7, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 8, 0, 9, 9, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 10, 0, 0, 
-	0, 0, 4, 0, 9, 9, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 10, 0, 11, 11, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 12, 0, 
-	0, 0, 0, 4, 0, 11, 11, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 12, 0, 14, 
-	14, 13, 13, 13, 13, 13, 13, 13, 
-	13, 13, 13, 13, 13, 13, 13, 15, 
-	13, 14, 14, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 15, 16, 16, 16, 16, 17, 16, 
-	18, 18, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	17, 16, 19, 19, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 19, 16, 20, 20, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 21, 16, 22, 22, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 23, 16, 16, 
-	16, 16, 17, 16, 22, 22, 16, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 23, 16, 24, 24, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 25, 16, 
-	16, 16, 16, 17, 16, 24, 24, 16, 
-	16, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 25, 16, 14, 
-	14, 16, 16, 16, 16, 16, 16, 16, 
-	16, 16, 16, 16, 16, 16, 26, 15, 
-	16, 16, 16, 16, 17, 16, 28, 28, 
-	27, 27, 29, 29, 27, 27, 27, 27, 
-	2, 2, 27, 30, 27, 28, 27, 27, 
-	27, 27, 15, 19, 27, 27, 27, 17, 
-	23, 25, 21, 27, 32, 32, 31, 31, 
-	31, 31, 31, 31, 31, 33, 31, 31, 
-	31, 31, 31, 2, 3, 6, 31, 31, 
-	31, 4, 10, 12, 8, 31, 34, 34, 
-	31, 31, 31, 31, 31, 31, 31, 35, 
-	31, 31, 31, 31, 31, 31, 3, 6, 
-	31, 31, 31, 4, 10, 12, 8, 31, 
-	5, 5, 31, 31, 31, 31, 31, 31, 
-	31, 35, 31, 31, 31, 31, 31, 31, 
-	4, 6, 31, 31, 31, 31, 31, 31, 
-	8, 31, 6, 31, 7, 7, 31, 31, 
-	31, 31, 31, 31, 31, 35, 31, 31, 
-	31, 31, 31, 31, 8, 6, 31, 36, 
-	36, 31, 31, 31, 31, 31, 31, 31, 
-	35, 31, 31, 31, 31, 31, 31, 10, 
-	6, 31, 31, 31, 4, 31, 31, 8, 
-	31, 37, 37, 31, 31, 31, 31, 31, 
-	31, 31, 35, 31, 31, 31, 31, 31, 
-	31, 12, 6, 31, 31, 31, 4, 10, 
-	31, 8, 31, 34, 34, 31, 31, 31, 
-	31, 31, 31, 31, 33, 31, 31, 31, 
-	31, 31, 31, 3, 6, 31, 31, 31, 
-	4, 10, 12, 8, 31, 28, 28, 31, 
-	31, 31, 31, 31, 31, 31, 31, 31, 
-	31, 31, 31, 31, 28, 31, 14, 14, 
-	38, 38, 38, 38, 38, 38, 38, 38, 
-	38, 38, 38, 38, 38, 38, 15, 38, 
-	38, 38, 38, 17, 38, 40, 40, 39, 
-	39, 39, 39, 39, 39, 39, 41, 39, 
-	39, 39, 39, 39, 39, 15, 19, 39, 
-	39, 39, 17, 23, 25, 21, 39, 18, 
-	18, 39, 39, 39, 39, 39, 39, 39, 
-	41, 39, 39, 39, 39, 39, 39, 17, 
-	19, 39, 39, 39, 39, 39, 39, 21, 
-	39, 19, 39, 20, 20, 39, 39, 39, 
-	39, 39, 39, 39, 41, 39, 39, 39, 
-	39, 39, 39, 21, 19, 39, 42, 42, 
-	39, 39, 39, 39, 39, 39, 39, 41, 
-	39, 39, 39, 39, 39, 39, 23, 19, 
-	39, 39, 39, 17, 39, 39, 21, 39, 
-	43, 43, 39, 39, 39, 39, 39, 39, 
-	39, 41, 39, 39, 39, 39, 39, 39, 
-	25, 19, 39, 39, 39, 17, 23, 39, 
-	21, 39, 44, 44, 39, 39, 39, 39, 
-	39, 39, 39, 39, 39, 39, 39, 39, 
-	39, 44, 39, 45, 45, 39, 39, 39, 
-	39, 39, 39, 39, 30, 39, 39, 39, 
-	39, 39, 26, 15, 19, 39, 39, 39, 
-	17, 23, 25, 21, 39, 40, 40, 39, 
-	39, 39, 39, 39, 39, 39, 30, 39, 
-	39, 39, 39, 39, 39, 15, 19, 39, 
-	39, 39, 17, 23, 25, 21, 39, 0
-};
-
-static const char _khmer_syllable_machine_trans_targs[] = {
-	20, 1, 28, 22, 23, 3, 24, 5, 
-	25, 7, 26, 9, 27, 20, 10, 31, 
-	20, 32, 12, 33, 14, 34, 16, 35, 
-	18, 36, 39, 20, 21, 30, 37, 20, 
-	0, 29, 2, 4, 6, 8, 20, 20, 
-	11, 13, 15, 17, 38, 19
-};
-
-static const char _khmer_syllable_machine_trans_actions[] = {
-	1, 0, 2, 2, 2, 0, 0, 0, 
-	2, 0, 2, 0, 2, 3, 0, 4, 
-	5, 2, 0, 0, 0, 2, 0, 2, 
-	0, 2, 4, 8, 2, 9, 0, 10, 
-	0, 0, 0, 0, 0, 0, 11, 12, 
-	0, 0, 0, 0, 4, 0
-};
-
-static const char _khmer_syllable_machine_to_state_actions[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 6, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const char _khmer_syllable_machine_from_state_actions[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 7, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const unsigned char _khmer_syllable_machine_eof_trans[] = {
-	1, 1, 1, 1, 1, 1, 1, 1, 
-	1, 1, 14, 17, 17, 17, 17, 17, 
-	17, 17, 17, 17, 0, 32, 32, 32, 
-	32, 32, 32, 32, 32, 32, 39, 40, 
-	40, 40, 40, 40, 40, 40, 40, 40
-};
-
-static const int khmer_syllable_machine_start = 20;
-static const int khmer_syllable_machine_first_final = 20;
-static const int khmer_syllable_machine_error = -1;
-
-static const int khmer_syllable_machine_en_main = 20;
-
-
-#line 43 "hb-ot-shape-complex-khmer-machine.rl"
-
-
-
-#line 86 "hb-ot-shape-complex-khmer-machine.rl"
-
-
-#define found_syllable(syllable_type) \
-  HB_STMT_START { \
-    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
-    for (unsigned int i = ts; i < te; i++) \
-      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
-    syllable_serial++; \
-    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
-  } HB_STMT_END
-
-static void
-find_syllables_khmer (hb_buffer_t *buffer)
-{
-  unsigned int p, pe, eof, ts, te, act HB_UNUSED;
-  int cs;
-  hb_glyph_info_t *info = buffer->info;
-  
-#line 266 "hb-ot-shape-complex-khmer-machine.hh"
-	{
-	cs = khmer_syllable_machine_start;
-	ts = 0;
-	te = 0;
-	act = 0;
-	}
-
-#line 106 "hb-ot-shape-complex-khmer-machine.rl"
-
-
-  p = 0;
-  pe = eof = buffer->len;
-
-  unsigned int syllable_serial = 1;
-  
-#line 282 "hb-ot-shape-complex-khmer-machine.hh"
-	{
-	int _slen;
-	int _trans;
-	const unsigned char *_keys;
-	const char *_inds;
-	if ( p == pe )
-		goto _test_eof;
-_resume:
-	switch ( _khmer_syllable_machine_from_state_actions[cs] ) {
-	case 7:
-#line 1 "NONE"
-	{ts = p;}
-	break;
-#line 296 "hb-ot-shape-complex-khmer-machine.hh"
-	}
-
-	_keys = _khmer_syllable_machine_trans_keys + (cs<<1);
-	_inds = _khmer_syllable_machine_indicies + _khmer_syllable_machine_index_offsets[cs];
-
-	_slen = _khmer_syllable_machine_key_spans[cs];
-	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].khmer_category()) &&
-		( info[p].khmer_category()) <= _keys[1] ?
-		( info[p].khmer_category()) - _keys[0] : _slen ];
-
-_eof_trans:
-	cs = _khmer_syllable_machine_trans_targs[_trans];
-
-	if ( _khmer_syllable_machine_trans_actions[_trans] == 0 )
-		goto _again;
-
-	switch ( _khmer_syllable_machine_trans_actions[_trans] ) {
-	case 2:
-#line 1 "NONE"
-	{te = p+1;}
-	break;
-	case 8:
-#line 82 "hb-ot-shape-complex-khmer-machine.rl"
-	{te = p+1;{ found_syllable (khmer_non_khmer_cluster); }}
-	break;
-	case 10:
-#line 80 "hb-ot-shape-complex-khmer-machine.rl"
-	{te = p;p--;{ found_syllable (khmer_consonant_syllable); }}
-	break;
-	case 12:
-#line 81 "hb-ot-shape-complex-khmer-machine.rl"
-	{te = p;p--;{ found_syllable (khmer_broken_cluster); }}
-	break;
-	case 11:
-#line 82 "hb-ot-shape-complex-khmer-machine.rl"
-	{te = p;p--;{ found_syllable (khmer_non_khmer_cluster); }}
-	break;
-	case 1:
-#line 80 "hb-ot-shape-complex-khmer-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (khmer_consonant_syllable); }}
-	break;
-	case 5:
-#line 81 "hb-ot-shape-complex-khmer-machine.rl"
-	{{p = ((te))-1;}{ found_syllable (khmer_broken_cluster); }}
-	break;
-	case 3:
-#line 1 "NONE"
-	{	switch( act ) {
-	case 2:
-	{{p = ((te))-1;} found_syllable (khmer_broken_cluster); }
-	break;
-	case 3:
-	{{p = ((te))-1;} found_syllable (khmer_non_khmer_cluster); }
-	break;
-	}
-	}
-	break;
-	case 4:
-#line 1 "NONE"
-	{te = p+1;}
-#line 81 "hb-ot-shape-complex-khmer-machine.rl"
-	{act = 2;}
-	break;
-	case 9:
-#line 1 "NONE"
-	{te = p+1;}
-#line 82 "hb-ot-shape-complex-khmer-machine.rl"
-	{act = 3;}
-	break;
-#line 366 "hb-ot-shape-complex-khmer-machine.hh"
-	}
-
-_again:
-	switch ( _khmer_syllable_machine_to_state_actions[cs] ) {
-	case 6:
-#line 1 "NONE"
-	{ts = 0;}
-	break;
-#line 375 "hb-ot-shape-complex-khmer-machine.hh"
-	}
-
-	if ( ++p != pe )
-		goto _resume;
-	_test_eof: {}
-	if ( p == eof )
-	{
-	if ( _khmer_syllable_machine_eof_trans[cs] > 0 ) {
-		_trans = _khmer_syllable_machine_eof_trans[cs] - 1;
-		goto _eof_trans;
-	}
-	}
-
-	}
-
-#line 114 "hb-ot-shape-complex-khmer-machine.rl"
-
-}
-
-#undef found_syllable
-
-#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer.hh
deleted file mode 100644
index 35bfbb64d5..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer.hh
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright © 2018  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_KHMER_HH
-#define HB_OT_SHAPE_COMPLEX_KHMER_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-indic.hh"
-
-
-/* buffer var allocations */
-#define khmer_category() indic_category() /* khmer_category_t */
-
-
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum khmer_category_t
-{
-  OT_Robatic = 20,
-  OT_Xgroup  = 21,
-  OT_Ygroup  = 22,
-  //OT_VAbv = 26,
-  //OT_VBlw = 27,
-  //OT_VPre = 28,
-  //OT_VPst = 29,
-};
-
-using khmer_position_t = indic_position_t;
-
-static inline void
-set_khmer_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  khmer_category_t cat = (khmer_category_t) (type & 0xFFu);
-  khmer_position_t pos = (khmer_position_t) (type >> 8);
-
-
-  /*
-   * Re-assign category
-   *
-   * These categories are experimentally extracted from what Uniscribe allows.
-   */
-  switch (u)
-  {
-    case 0x179Au:
-      cat = (khmer_category_t) OT_Ra;
-      break;
-
-    case 0x17CCu:
-    case 0x17C9u:
-    case 0x17CAu:
-      cat = OT_Robatic;
-      break;
-
-    case 0x17C6u:
-    case 0x17CBu:
-    case 0x17CDu:
-    case 0x17CEu:
-    case 0x17CFu:
-    case 0x17D0u:
-    case 0x17D1u:
-      cat = OT_Xgroup;
-      break;
-
-    case 0x17C7u:
-    case 0x17C8u:
-    case 0x17DDu:
-    case 0x17D3u: /* Just guessing. Uniscribe doesn't categorize it. */
-      cat = OT_Ygroup;
-      break;
-  }
-
-  /*
-   * Re-assign position.
-   */
-  if (cat == (khmer_category_t) OT_M)
-    switch ((int) pos)
-    {
-      case POS_PRE_C:	cat = (khmer_category_t) OT_VPre; break;
-      case POS_BELOW_C:	cat = (khmer_category_t) OT_VBlw; break;
-      case POS_ABOVE_C:	cat = (khmer_category_t) OT_VAbv; break;
-      case POS_POST_C:	cat = (khmer_category_t) OT_VPst; break;
-      default: assert (0);
-    }
-
-  info.khmer_category() = cat;
-}
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_KHMER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar-machine.hh
deleted file mode 100644
index f4ef33004d..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar-machine.hh
+++ /dev/null
@@ -1,492 +0,0 @@
-
-#line 1 "hb-ot-shape-complex-myanmar-machine.rl"
-/*
- * Copyright © 2011,2012  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
-#define HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
-
-#include "hb.hh"
-
-enum myanmar_syllable_type_t {
-  myanmar_consonant_syllable,
-  myanmar_punctuation_cluster,
-  myanmar_broken_cluster,
-  myanmar_non_myanmar_cluster,
-};
-
-
-#line 43 "hb-ot-shape-complex-myanmar-machine.hh"
-#define myanmar_syllable_machine_ex_A 10u
-#define myanmar_syllable_machine_ex_As 18u
-#define myanmar_syllable_machine_ex_C 1u
-#define myanmar_syllable_machine_ex_CS 19u
-#define myanmar_syllable_machine_ex_D 32u
-#define myanmar_syllable_machine_ex_D0 20u
-#define myanmar_syllable_machine_ex_DB 3u
-#define myanmar_syllable_machine_ex_GB 11u
-#define myanmar_syllable_machine_ex_H 4u
-#define myanmar_syllable_machine_ex_IV 2u
-#define myanmar_syllable_machine_ex_MH 21u
-#define myanmar_syllable_machine_ex_ML 33u
-#define myanmar_syllable_machine_ex_MR 22u
-#define myanmar_syllable_machine_ex_MW 23u
-#define myanmar_syllable_machine_ex_MY 24u
-#define myanmar_syllable_machine_ex_P 31u
-#define myanmar_syllable_machine_ex_PT 25u
-#define myanmar_syllable_machine_ex_Ra 16u
-#define myanmar_syllable_machine_ex_V 8u
-#define myanmar_syllable_machine_ex_VAbv 26u
-#define myanmar_syllable_machine_ex_VBlw 27u
-#define myanmar_syllable_machine_ex_VPre 28u
-#define myanmar_syllable_machine_ex_VPst 29u
-#define myanmar_syllable_machine_ex_VS 30u
-#define myanmar_syllable_machine_ex_ZWJ 6u
-#define myanmar_syllable_machine_ex_ZWNJ 5u
-
-
-#line 72 "hb-ot-shape-complex-myanmar-machine.hh"
-static const unsigned char _myanmar_syllable_machine_trans_keys[] = {
-	1u, 33u, 3u, 33u, 5u, 29u, 5u, 8u, 5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 
-	3u, 33u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 33u, 1u, 16u, 3u, 33u, 3u, 33u, 
-	3u, 29u, 3u, 29u, 3u, 29u, 3u, 30u, 3u, 29u, 3u, 33u, 3u, 33u, 3u, 33u, 
-	3u, 33u, 3u, 33u, 5u, 29u, 5u, 8u, 5u, 29u, 3u, 25u, 5u, 25u, 5u, 25u, 
-	3u, 33u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 33u, 1u, 16u, 3u, 33u, 3u, 33u, 
-	3u, 33u, 3u, 29u, 3u, 29u, 3u, 29u, 3u, 30u, 3u, 29u, 3u, 33u, 3u, 33u, 
-	3u, 33u, 3u, 33u, 3u, 33u, 3u, 33u, 3u, 33u, 1u, 33u, 1u, 32u, 8u, 8u, 
-	0
-};
-
-static const char _myanmar_syllable_machine_key_spans[] = {
-	33, 31, 25, 4, 25, 23, 21, 21, 
-	31, 27, 27, 27, 31, 16, 31, 31, 
-	27, 27, 27, 28, 27, 31, 31, 31, 
-	31, 31, 25, 4, 25, 23, 21, 21, 
-	31, 27, 27, 27, 31, 16, 31, 31, 
-	31, 27, 27, 27, 28, 27, 31, 31, 
-	31, 31, 31, 31, 31, 33, 32, 1
-};
-
-static const short _myanmar_syllable_machine_index_offsets[] = {
-	0, 34, 66, 92, 97, 123, 147, 169, 
-	191, 223, 251, 279, 307, 339, 356, 388, 
-	420, 448, 476, 504, 533, 561, 593, 625, 
-	657, 689, 721, 747, 752, 778, 802, 824, 
-	846, 878, 906, 934, 962, 994, 1011, 1043, 
-	1075, 1107, 1135, 1163, 1191, 1220, 1248, 1280, 
-	1312, 1344, 1376, 1408, 1440, 1472, 1506, 1539
-};
-
-static const char _myanmar_syllable_machine_indicies[] = {
-	1, 1, 2, 3, 4, 4, 0, 5, 
-	0, 6, 1, 0, 0, 0, 0, 7, 
-	0, 8, 9, 0, 10, 11, 12, 13, 
-	14, 15, 16, 17, 18, 19, 20, 1, 
-	21, 0, 23, 24, 25, 25, 22, 26, 
-	22, 27, 22, 22, 22, 22, 22, 22, 
-	22, 28, 22, 22, 29, 30, 31, 32, 
-	33, 34, 35, 36, 37, 38, 22, 22, 
-	39, 22, 25, 25, 22, 26, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 40, 
-	22, 22, 22, 22, 22, 22, 33, 22, 
-	22, 22, 37, 22, 25, 25, 22, 26, 
-	22, 25, 25, 22, 26, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 33, 22, 22, 
-	22, 37, 22, 41, 22, 25, 25, 22, 
-	26, 22, 33, 22, 22, 22, 22, 22, 
-	22, 22, 42, 22, 22, 22, 22, 22, 
-	22, 33, 22, 25, 25, 22, 26, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	42, 22, 22, 22, 22, 22, 22, 33, 
-	22, 25, 25, 22, 26, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 33, 22, 23, 
-	22, 25, 25, 22, 26, 22, 27, 22, 
-	22, 22, 22, 22, 22, 22, 43, 22, 
-	22, 44, 22, 22, 22, 33, 45, 22, 
-	22, 37, 22, 22, 22, 43, 22, 23, 
-	22, 25, 25, 22, 26, 22, 27, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 33, 22, 22, 
-	22, 37, 22, 23, 22, 25, 25, 22, 
-	26, 22, 27, 22, 22, 22, 22, 22, 
-	22, 22, 43, 22, 22, 22, 22, 22, 
-	22, 33, 45, 22, 22, 37, 22, 23, 
-	22, 25, 25, 22, 26, 22, 27, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 33, 45, 22, 
-	22, 37, 22, 23, 22, 25, 25, 22, 
-	26, 22, 27, 22, 22, 22, 22, 22, 
-	22, 22, 43, 22, 22, 22, 22, 22, 
-	22, 33, 45, 22, 22, 37, 22, 22, 
-	22, 43, 22, 1, 1, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 1, 22, 23, 22, 25, 25, 
-	22, 26, 22, 27, 22, 22, 22, 22, 
-	22, 22, 22, 28, 22, 22, 29, 30, 
-	31, 32, 33, 34, 35, 36, 37, 22, 
-	22, 22, 39, 22, 23, 22, 25, 25, 
-	22, 26, 22, 27, 22, 22, 22, 22, 
-	22, 22, 22, 46, 22, 22, 22, 22, 
-	22, 22, 33, 34, 35, 36, 37, 22, 
-	22, 22, 39, 22, 23, 22, 25, 25, 
-	22, 26, 22, 27, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 33, 34, 35, 36, 37, 22, 
-	23, 22, 25, 25, 22, 26, 22, 27, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 33, 34, 
-	35, 22, 37, 22, 23, 22, 25, 25, 
-	22, 26, 22, 27, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 33, 22, 35, 22, 37, 22, 
-	23, 22, 25, 25, 22, 26, 22, 27, 
-	22, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 22, 22, 22, 33, 34, 
-	35, 36, 37, 46, 22, 23, 22, 25, 
-	25, 22, 26, 22, 27, 22, 22, 22, 
-	22, 22, 22, 22, 46, 22, 22, 22, 
-	22, 22, 22, 33, 34, 35, 36, 37, 
-	22, 23, 22, 25, 25, 22, 26, 22, 
-	27, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 29, 22, 31, 22, 33, 
-	34, 35, 36, 37, 22, 22, 22, 39, 
-	22, 23, 22, 25, 25, 22, 26, 22, 
-	27, 22, 22, 22, 22, 22, 22, 22, 
-	46, 22, 22, 29, 22, 22, 22, 33, 
-	34, 35, 36, 37, 22, 22, 22, 39, 
-	22, 23, 22, 25, 25, 22, 26, 22, 
-	27, 22, 22, 22, 22, 22, 22, 22, 
-	47, 22, 22, 29, 30, 31, 22, 33, 
-	34, 35, 36, 37, 22, 22, 22, 39, 
-	22, 23, 22, 25, 25, 22, 26, 22, 
-	27, 22, 22, 22, 22, 22, 22, 22, 
-	22, 22, 22, 29, 30, 31, 22, 33, 
-	34, 35, 36, 37, 22, 22, 22, 39, 
-	22, 23, 24, 25, 25, 22, 26, 22, 
-	27, 22, 22, 22, 22, 22, 22, 22, 
-	28, 22, 22, 29, 30, 31, 32, 33, 
-	34, 35, 36, 37, 22, 22, 22, 39, 
-	22, 49, 49, 48, 5, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 50, 48, 
-	48, 48, 48, 48, 48, 14, 48, 48, 
-	48, 18, 48, 49, 49, 48, 5, 48, 
-	49, 49, 48, 5, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 14, 48, 48, 48, 
-	18, 48, 51, 48, 49, 49, 48, 5, 
-	48, 14, 48, 48, 48, 48, 48, 48, 
-	48, 52, 48, 48, 48, 48, 48, 48, 
-	14, 48, 49, 49, 48, 5, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 52, 
-	48, 48, 48, 48, 48, 48, 14, 48, 
-	49, 49, 48, 5, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 14, 48, 2, 48, 
-	49, 49, 48, 5, 48, 6, 48, 48, 
-	48, 48, 48, 48, 48, 53, 48, 48, 
-	54, 48, 48, 48, 14, 55, 48, 48, 
-	18, 48, 48, 48, 53, 48, 2, 48, 
-	49, 49, 48, 5, 48, 6, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 14, 48, 48, 48, 
-	18, 48, 2, 48, 49, 49, 48, 5, 
-	48, 6, 48, 48, 48, 48, 48, 48, 
-	48, 53, 48, 48, 48, 48, 48, 48, 
-	14, 55, 48, 48, 18, 48, 2, 48, 
-	49, 49, 48, 5, 48, 6, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 14, 55, 48, 48, 
-	18, 48, 2, 48, 49, 49, 48, 5, 
-	48, 6, 48, 48, 48, 48, 48, 48, 
-	48, 53, 48, 48, 48, 48, 48, 48, 
-	14, 55, 48, 48, 18, 48, 48, 48, 
-	53, 48, 56, 56, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 56, 48, 2, 3, 49, 49, 48, 
-	5, 48, 6, 48, 48, 48, 48, 48, 
-	48, 48, 8, 48, 48, 10, 11, 12, 
-	13, 14, 15, 16, 17, 18, 19, 48, 
-	48, 21, 48, 2, 48, 49, 49, 48, 
-	5, 48, 6, 48, 48, 48, 48, 48, 
-	48, 48, 8, 48, 48, 10, 11, 12, 
-	13, 14, 15, 16, 17, 18, 48, 48, 
-	48, 21, 48, 2, 48, 49, 49, 48, 
-	5, 48, 6, 48, 48, 48, 48, 48, 
-	48, 48, 57, 48, 48, 48, 48, 48, 
-	48, 14, 15, 16, 17, 18, 48, 48, 
-	48, 21, 48, 2, 48, 49, 49, 48, 
-	5, 48, 6, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 14, 15, 16, 17, 18, 48, 2, 
-	48, 49, 49, 48, 5, 48, 6, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 14, 15, 16, 
-	48, 18, 48, 2, 48, 49, 49, 48, 
-	5, 48, 6, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 14, 48, 16, 48, 18, 48, 2, 
-	48, 49, 49, 48, 5, 48, 6, 48, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 48, 48, 48, 14, 15, 16, 
-	17, 18, 57, 48, 2, 48, 49, 49, 
-	48, 5, 48, 6, 48, 48, 48, 48, 
-	48, 48, 48, 57, 48, 48, 48, 48, 
-	48, 48, 14, 15, 16, 17, 18, 48, 
-	2, 48, 49, 49, 48, 5, 48, 6, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 10, 48, 12, 48, 14, 15, 
-	16, 17, 18, 48, 48, 48, 21, 48, 
-	2, 48, 49, 49, 48, 5, 48, 6, 
-	48, 48, 48, 48, 48, 48, 48, 57, 
-	48, 48, 10, 48, 48, 48, 14, 15, 
-	16, 17, 18, 48, 48, 48, 21, 48, 
-	2, 48, 49, 49, 48, 5, 48, 6, 
-	48, 48, 48, 48, 48, 48, 48, 58, 
-	48, 48, 10, 11, 12, 48, 14, 15, 
-	16, 17, 18, 48, 48, 48, 21, 48, 
-	2, 48, 49, 49, 48, 5, 48, 6, 
-	48, 48, 48, 48, 48, 48, 48, 48, 
-	48, 48, 10, 11, 12, 48, 14, 15, 
-	16, 17, 18, 48, 48, 48, 21, 48, 
-	2, 3, 49, 49, 48, 5, 48, 6, 
-	48, 48, 48, 48, 48, 48, 48, 8, 
-	48, 48, 10, 11, 12, 13, 14, 15, 
-	16, 17, 18, 48, 48, 48, 21, 48, 
-	23, 24, 25, 25, 22, 26, 22, 27, 
-	22, 22, 22, 22, 22, 22, 22, 59, 
-	22, 22, 29, 30, 31, 32, 33, 34, 
-	35, 36, 37, 38, 22, 22, 39, 22, 
-	23, 60, 25, 25, 22, 26, 22, 27, 
-	22, 22, 22, 22, 22, 22, 22, 28, 
-	22, 22, 29, 30, 31, 32, 33, 34, 
-	35, 36, 37, 22, 22, 22, 39, 22, 
-	1, 1, 2, 3, 49, 49, 48, 5, 
-	48, 6, 1, 48, 48, 48, 48, 1, 
-	48, 8, 48, 48, 10, 11, 12, 13, 
-	14, 15, 16, 17, 18, 19, 48, 1, 
-	21, 48, 1, 1, 61, 61, 61, 61, 
-	61, 61, 61, 61, 1, 61, 61, 61, 
-	61, 1, 61, 61, 61, 61, 61, 61, 
-	61, 61, 61, 61, 61, 61, 61, 61, 
-	61, 1, 61, 62, 61, 0
-};
-
-static const char _myanmar_syllable_machine_trans_targs[] = {
-	0, 1, 26, 37, 0, 27, 33, 51, 
-	39, 54, 40, 46, 47, 48, 29, 42, 
-	43, 44, 32, 50, 55, 45, 0, 2, 
-	13, 0, 3, 9, 14, 15, 21, 22, 
-	23, 5, 17, 18, 19, 8, 25, 20, 
-	4, 6, 7, 10, 12, 11, 16, 24, 
-	0, 0, 28, 30, 31, 34, 36, 35, 
-	38, 41, 49, 52, 53, 0, 0
-};
-
-static const char _myanmar_syllable_machine_trans_actions[] = {
-	3, 0, 0, 0, 4, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 5, 0, 
-	0, 6, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	7, 8, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 9, 10
-};
-
-static const char _myanmar_syllable_machine_to_state_actions[] = {
-	1, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const char _myanmar_syllable_machine_from_state_actions[] = {
-	2, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const short _myanmar_syllable_machine_eof_trans[] = {
-	0, 23, 23, 23, 23, 23, 23, 23, 
-	23, 23, 23, 23, 23, 23, 23, 23, 
-	23, 23, 23, 23, 23, 23, 23, 23, 
-	23, 23, 49, 49, 49, 49, 49, 49, 
-	49, 49, 49, 49, 49, 49, 49, 49, 
-	49, 49, 49, 49, 49, 49, 49, 49, 
-	49, 49, 49, 23, 23, 49, 62, 62
-};
-
-static const int myanmar_syllable_machine_start = 0;
-static const int myanmar_syllable_machine_first_final = 0;
-static const int myanmar_syllable_machine_error = -1;
-
-static const int myanmar_syllable_machine_en_main = 0;
-
-
-#line 44 "hb-ot-shape-complex-myanmar-machine.rl"
-
-
-
-#line 102 "hb-ot-shape-complex-myanmar-machine.rl"
-
-
-#define found_syllable(syllable_type) \
-  HB_STMT_START { \
-    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
-    for (unsigned int i = ts; i < te; i++) \
-      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
-    syllable_serial++; \
-    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
-  } HB_STMT_END
-
-static void
-find_syllables_myanmar (hb_buffer_t *buffer)
-{
-  unsigned int p, pe, eof, ts, te, act HB_UNUSED;
-  int cs;
-  hb_glyph_info_t *info = buffer->info;
-  
-#line 382 "hb-ot-shape-complex-myanmar-machine.hh"
-	{
-	cs = myanmar_syllable_machine_start;
-	ts = 0;
-	te = 0;
-	act = 0;
-	}
-
-#line 122 "hb-ot-shape-complex-myanmar-machine.rl"
-
-
-  p = 0;
-  pe = eof = buffer->len;
-
-  unsigned int syllable_serial = 1;
-  
-#line 398 "hb-ot-shape-complex-myanmar-machine.hh"
-	{
-	int _slen;
-	int _trans;
-	const unsigned char *_keys;
-	const char *_inds;
-	if ( p == pe )
-		goto _test_eof;
-_resume:
-	switch ( _myanmar_syllable_machine_from_state_actions[cs] ) {
-	case 2:
-#line 1 "NONE"
-	{ts = p;}
-	break;
-#line 412 "hb-ot-shape-complex-myanmar-machine.hh"
-	}
-
-	_keys = _myanmar_syllable_machine_trans_keys + (cs<<1);
-	_inds = _myanmar_syllable_machine_indicies + _myanmar_syllable_machine_index_offsets[cs];
-
-	_slen = _myanmar_syllable_machine_key_spans[cs];
-	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].myanmar_category()) &&
-		( info[p].myanmar_category()) <= _keys[1] ?
-		( info[p].myanmar_category()) - _keys[0] : _slen ];
-
-_eof_trans:
-	cs = _myanmar_syllable_machine_trans_targs[_trans];
-
-	if ( _myanmar_syllable_machine_trans_actions[_trans] == 0 )
-		goto _again;
-
-	switch ( _myanmar_syllable_machine_trans_actions[_trans] ) {
-	case 6:
-#line 94 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p+1;{ found_syllable (myanmar_consonant_syllable); }}
-	break;
-	case 4:
-#line 95 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p+1;{ found_syllable (myanmar_non_myanmar_cluster); }}
-	break;
-	case 10:
-#line 96 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p+1;{ found_syllable (myanmar_punctuation_cluster); }}
-	break;
-	case 8:
-#line 97 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p+1;{ found_syllable (myanmar_broken_cluster); }}
-	break;
-	case 3:
-#line 98 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p+1;{ found_syllable (myanmar_non_myanmar_cluster); }}
-	break;
-	case 5:
-#line 94 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p;p--;{ found_syllable (myanmar_consonant_syllable); }}
-	break;
-	case 7:
-#line 97 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p;p--;{ found_syllable (myanmar_broken_cluster); }}
-	break;
-	case 9:
-#line 98 "hb-ot-shape-complex-myanmar-machine.rl"
-	{te = p;p--;{ found_syllable (myanmar_non_myanmar_cluster); }}
-	break;
-#line 462 "hb-ot-shape-complex-myanmar-machine.hh"
-	}
-
-_again:
-	switch ( _myanmar_syllable_machine_to_state_actions[cs] ) {
-	case 1:
-#line 1 "NONE"
-	{ts = 0;}
-	break;
-#line 471 "hb-ot-shape-complex-myanmar-machine.hh"
-	}
-
-	if ( ++p != pe )
-		goto _resume;
-	_test_eof: {}
-	if ( p == eof )
-	{
-	if ( _myanmar_syllable_machine_eof_trans[cs] > 0 ) {
-		_trans = _myanmar_syllable_machine_eof_trans[cs] - 1;
-		goto _eof_trans;
-	}
-	}
-
-	}
-
-#line 130 "hb-ot-shape-complex-myanmar-machine.rl"
-
-}
-
-#undef found_syllable
-
-#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.hh
deleted file mode 100644
index 7fbca3878f..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.hh
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Copyright © 2018  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_HH
-#define HB_OT_SHAPE_COMPLEX_MYANMAR_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-indic.hh"
-
-
-/* buffer var allocations */
-#define myanmar_category() indic_category() /* myanmar_category_t */
-#define myanmar_position() indic_position() /* myanmar_position_t */
-
-
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum myanmar_category_t {
-  OT_As  = 18,  /* Asat */
-  OT_D0  = 20, /* Digit zero */
-  OT_DB  = OT_N, /* Dot below */
-  OT_GB  = OT_PLACEHOLDER,
-  OT_MH  = 21, /* Various consonant medial types */
-  OT_MR  = 22, /* Various consonant medial types */
-  OT_MW  = 23, /* Various consonant medial types */
-  OT_MY  = 24, /* Various consonant medial types */
-  OT_PT  = 25, /* Pwo and other tones */
-  //OT_VAbv = 26,
-  //OT_VBlw = 27,
-  //OT_VPre = 28,
-  //OT_VPst = 29,
-  OT_VS   = 30, /* Variation selectors */
-  OT_P    = 31, /* Punctuation */
-  OT_D    = 32, /* Digits except zero */
-  OT_ML   = 33, /* Various consonant medial types */
-};
-
-using myanmar_position_t = indic_position_t;
-
-static inline void
-set_myanmar_properties (hb_glyph_info_t &info)
-{
-  hb_codepoint_t u = info.codepoint;
-  unsigned int type = hb_indic_get_categories (u);
-  unsigned int cat = type & 0xFFu;
-  myanmar_position_t pos = (myanmar_position_t) (type >> 8);
-
-  /* Myanmar
-   * https://docs.microsoft.com/en-us/typography/script-development/myanmar#analyze
-   */
-  if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)))
-    cat = OT_VS;
-
-  switch (u)
-  {
-    case 0x104Eu:
-      cat = OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */
-      break;
-
-    case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u:
-    case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u:
-    case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu:
-    case 0x25FEu:
-      cat = OT_GB;
-      break;
-
-    case 0x1004u: case 0x101Bu: case 0x105Au:
-      cat = OT_Ra;
-      break;
-
-    case 0x1032u: case 0x1036u:
-      cat = OT_A;
-      break;
-
-    case 0x1039u:
-      cat = OT_H;
-      break;
-
-    case 0x103Au:
-      cat = OT_As;
-      break;
-
-    case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u:
-    case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u:
-    case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u:
-    case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u:
-    case 0x1097u: case 0x1098u: case 0x1099u:
-      cat = OT_D;
-      break;
-
-    case 0x1040u:
-      cat = OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */
-      break;
-
-    case 0x103Eu:
-      cat = OT_MH;
-      break;
-
-    case 0x1060u:
-      cat = OT_ML;
-      break;
-
-    case 0x103Cu:
-      cat = OT_MR;
-      break;
-
-    case 0x103Du: case 0x1082u:
-      cat = OT_MW;
-      break;
-
-    case 0x103Bu: case 0x105Eu: case 0x105Fu:
-      cat = OT_MY;
-      break;
-
-    case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au:
-    case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu:
-      cat = OT_PT;
-      break;
-
-    case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u:
-    case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du:
-    case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu:
-      cat = OT_SM;
-      break;
-
-    case 0x104Au: case 0x104Bu:
-      cat = OT_P;
-      break;
-
-    case 0xAA74u: case 0xAA75u: case 0xAA76u:
-      /* https://github.com/harfbuzz/harfbuzz/issues/218 */
-      cat = OT_C;
-      break;
-  }
-
-  if (cat == OT_M)
-  {
-    switch ((int) pos)
-    {
-      case POS_PRE_C:	cat = (myanmar_category_t) OT_VPre;
-			pos = POS_PRE_M; break;
-      case POS_ABOVE_C:	cat = (myanmar_category_t) OT_VAbv;   break;
-      case POS_BELOW_C:	cat = (myanmar_category_t) OT_VBlw;   break;
-      case POS_POST_C:	cat = (myanmar_category_t) OT_VPst;   break;
-    }
-  }
-
-  info.myanmar_category() = cat;
-  info.myanmar_position() = pos;
-}
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-machine.hh
deleted file mode 100644
index 468bd95c3f..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-machine.hh
+++ /dev/null
@@ -1,849 +0,0 @@
-
-#line 1 "hb-ot-shape-complex-use-machine.rl"
-/*
- * Copyright © 2015  Mozilla Foundation.
- * Copyright © 2015  Google, Inc.
- *
- *  This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Mozilla Author(s): Jonathan Kew
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH
-#define HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-syllabic.hh"
-
-/* buffer var allocations */
-#define use_category() complex_var_u8_category()
-
-#define USE(Cat) use_syllable_machine_ex_##Cat
-
-enum use_syllable_type_t {
-  use_virama_terminated_cluster,
-  use_sakot_terminated_cluster,
-  use_standard_cluster,
-  use_number_joiner_terminated_cluster,
-  use_numeral_cluster,
-  use_symbol_cluster,
-  use_hieroglyph_cluster,
-  use_broken_cluster,
-  use_non_cluster,
-};
-
-
-#line 57 "hb-ot-shape-complex-use-machine.hh"
-#define use_syllable_machine_ex_B 1u
-#define use_syllable_machine_ex_CGJ 6u
-#define use_syllable_machine_ex_CMAbv 31u
-#define use_syllable_machine_ex_CMBlw 32u
-#define use_syllable_machine_ex_CS 43u
-#define use_syllable_machine_ex_FAbv 24u
-#define use_syllable_machine_ex_FBlw 25u
-#define use_syllable_machine_ex_FMAbv 45u
-#define use_syllable_machine_ex_FMBlw 46u
-#define use_syllable_machine_ex_FMPst 47u
-#define use_syllable_machine_ex_FPst 26u
-#define use_syllable_machine_ex_G 49u
-#define use_syllable_machine_ex_GB 5u
-#define use_syllable_machine_ex_H 12u
-#define use_syllable_machine_ex_HN 13u
-#define use_syllable_machine_ex_IS 44u
-#define use_syllable_machine_ex_J 50u
-#define use_syllable_machine_ex_MAbv 27u
-#define use_syllable_machine_ex_MBlw 28u
-#define use_syllable_machine_ex_MPre 30u
-#define use_syllable_machine_ex_MPst 29u
-#define use_syllable_machine_ex_N 4u
-#define use_syllable_machine_ex_O 0u
-#define use_syllable_machine_ex_R 18u
-#define use_syllable_machine_ex_SB 51u
-#define use_syllable_machine_ex_SE 52u
-#define use_syllable_machine_ex_SMAbv 41u
-#define use_syllable_machine_ex_SMBlw 42u
-#define use_syllable_machine_ex_SUB 11u
-#define use_syllable_machine_ex_Sk 48u
-#define use_syllable_machine_ex_VAbv 33u
-#define use_syllable_machine_ex_VBlw 34u
-#define use_syllable_machine_ex_VMAbv 37u
-#define use_syllable_machine_ex_VMBlw 38u
-#define use_syllable_machine_ex_VMPre 23u
-#define use_syllable_machine_ex_VMPst 39u
-#define use_syllable_machine_ex_VPre 22u
-#define use_syllable_machine_ex_VPst 35u
-#define use_syllable_machine_ex_WJ 16u
-#define use_syllable_machine_ex_ZWNJ 14u
-
-
-#line 100 "hb-ot-shape-complex-use-machine.hh"
-static const unsigned char _use_syllable_machine_trans_keys[] = {
-	0u, 51u, 11u, 48u, 11u, 48u, 1u, 48u, 23u, 48u, 24u, 47u, 25u, 47u, 26u, 47u, 
-	45u, 46u, 46u, 46u, 24u, 48u, 24u, 48u, 24u, 48u, 1u, 1u, 24u, 48u, 22u, 48u, 
-	23u, 48u, 23u, 48u, 23u, 48u, 12u, 48u, 12u, 48u, 12u, 48u, 12u, 48u, 11u, 48u, 
-	1u, 1u, 11u, 48u, 41u, 42u, 42u, 42u, 11u, 48u, 11u, 48u, 1u, 48u, 23u, 48u, 
-	24u, 47u, 25u, 47u, 26u, 47u, 45u, 46u, 46u, 46u, 24u, 48u, 24u, 48u, 24u, 48u, 
-	1u, 1u, 24u, 48u, 22u, 48u, 23u, 48u, 23u, 48u, 23u, 48u, 12u, 48u, 12u, 48u, 
-	12u, 48u, 12u, 48u, 11u, 48u, 1u, 1u, 13u, 13u, 4u, 4u, 11u, 48u, 11u, 48u, 
-	1u, 48u, 23u, 48u, 24u, 47u, 25u, 47u, 26u, 47u, 45u, 46u, 46u, 46u, 24u, 48u, 
-	24u, 48u, 24u, 48u, 1u, 1u, 24u, 48u, 22u, 48u, 23u, 48u, 23u, 48u, 23u, 48u, 
-	12u, 48u, 12u, 48u, 12u, 48u, 12u, 48u, 11u, 48u, 1u, 1u, 11u, 48u, 11u, 48u, 
-	1u, 48u, 23u, 48u, 24u, 47u, 25u, 47u, 26u, 47u, 45u, 46u, 46u, 46u, 24u, 48u, 
-	24u, 48u, 24u, 48u, 1u, 1u, 24u, 48u, 22u, 48u, 23u, 48u, 23u, 48u, 23u, 48u, 
-	12u, 48u, 12u, 48u, 12u, 48u, 12u, 48u, 11u, 48u, 1u, 1u, 4u, 4u, 13u, 13u, 
-	1u, 48u, 11u, 48u, 41u, 42u, 42u, 42u, 1u, 5u, 50u, 52u, 49u, 52u, 49u, 51u, 
-	0
-};
-
-static const char _use_syllable_machine_key_spans[] = {
-	52, 38, 38, 48, 26, 24, 23, 22, 
-	2, 1, 25, 25, 25, 1, 25, 27, 
-	26, 26, 26, 37, 37, 37, 37, 38, 
-	1, 38, 2, 1, 38, 38, 48, 26, 
-	24, 23, 22, 2, 1, 25, 25, 25, 
-	1, 25, 27, 26, 26, 26, 37, 37, 
-	37, 37, 38, 1, 1, 1, 38, 38, 
-	48, 26, 24, 23, 22, 2, 1, 25, 
-	25, 25, 1, 25, 27, 26, 26, 26, 
-	37, 37, 37, 37, 38, 1, 38, 38, 
-	48, 26, 24, 23, 22, 2, 1, 25, 
-	25, 25, 1, 25, 27, 26, 26, 26, 
-	37, 37, 37, 37, 38, 1, 1, 1, 
-	48, 38, 2, 1, 5, 3, 4, 3
-};
-
-static const short _use_syllable_machine_index_offsets[] = {
-	0, 53, 92, 131, 180, 207, 232, 256, 
-	279, 282, 284, 310, 336, 362, 364, 390, 
-	418, 445, 472, 499, 537, 575, 613, 651, 
-	690, 692, 731, 734, 736, 775, 814, 863, 
-	890, 915, 939, 962, 965, 967, 993, 1019, 
-	1045, 1047, 1073, 1101, 1128, 1155, 1182, 1220, 
-	1258, 1296, 1334, 1373, 1375, 1377, 1379, 1418, 
-	1457, 1506, 1533, 1558, 1582, 1605, 1608, 1610, 
-	1636, 1662, 1688, 1690, 1716, 1744, 1771, 1798, 
-	1825, 1863, 1901, 1939, 1977, 2016, 2018, 2057, 
-	2096, 2145, 2172, 2197, 2221, 2244, 2247, 2249, 
-	2275, 2301, 2327, 2329, 2355, 2383, 2410, 2437, 
-	2464, 2502, 2540, 2578, 2616, 2655, 2657, 2659, 
-	2661, 2710, 2749, 2752, 2754, 2760, 2764, 2769
-};
-
-static const char _use_syllable_machine_indicies[] = {
-	0, 1, 2, 2, 3, 4, 2, 2, 
-	2, 2, 2, 5, 6, 7, 2, 2, 
-	2, 2, 8, 2, 2, 2, 9, 10, 
-	11, 12, 13, 14, 15, 16, 17, 18, 
-	19, 20, 21, 22, 2, 23, 24, 25, 
-	2, 26, 27, 28, 29, 30, 31, 32, 
-	29, 33, 2, 34, 2, 36, 37, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	38, 39, 40, 41, 42, 43, 44, 45, 
-	46, 47, 48, 49, 50, 51, 35, 52, 
-	53, 54, 35, 55, 56, 35, 57, 58, 
-	59, 60, 57, 35, 36, 37, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 38, 
-	39, 40, 41, 42, 43, 44, 45, 46, 
-	48, 48, 49, 50, 51, 35, 52, 53, 
-	54, 35, 35, 35, 35, 57, 58, 59, 
-	60, 57, 35, 36, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 39, 40, 41, 42, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 52, 
-	53, 54, 35, 35, 35, 35, 35, 58, 
-	59, 60, 61, 35, 39, 40, 41, 42, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 52, 53, 54, 35, 35, 35, 
-	35, 35, 58, 59, 60, 61, 35, 40, 
-	41, 42, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 58, 59, 60, 35, 
-	41, 42, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 58, 59, 60, 35, 
-	42, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 58, 59, 60, 35, 58, 
-	59, 35, 59, 35, 40, 41, 42, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 52, 53, 54, 35, 35, 35, 35, 
-	35, 58, 59, 60, 61, 35, 40, 41, 
-	42, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 53, 54, 35, 35, 
-	35, 35, 35, 58, 59, 60, 61, 35, 
-	40, 41, 42, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 54, 
-	35, 35, 35, 35, 35, 58, 59, 60, 
-	61, 35, 62, 35, 40, 41, 42, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 58, 59, 60, 61, 35, 38, 39, 
-	40, 41, 42, 35, 35, 35, 35, 35, 
-	35, 49, 50, 51, 35, 52, 53, 54, 
-	35, 35, 35, 35, 35, 58, 59, 60, 
-	61, 35, 39, 40, 41, 42, 35, 35, 
-	35, 35, 35, 35, 49, 50, 51, 35, 
-	52, 53, 54, 35, 35, 35, 35, 35, 
-	58, 59, 60, 61, 35, 39, 40, 41, 
-	42, 35, 35, 35, 35, 35, 35, 35, 
-	50, 51, 35, 52, 53, 54, 35, 35, 
-	35, 35, 35, 58, 59, 60, 61, 35, 
-	39, 40, 41, 42, 35, 35, 35, 35, 
-	35, 35, 35, 35, 51, 35, 52, 53, 
-	54, 35, 35, 35, 35, 35, 58, 59, 
-	60, 61, 35, 39, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 38, 39, 40, 
-	41, 42, 35, 44, 45, 35, 35, 35, 
-	49, 50, 51, 35, 52, 53, 54, 35, 
-	35, 35, 35, 35, 58, 59, 60, 61, 
-	35, 39, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 38, 39, 40, 41, 42, 
-	35, 35, 45, 35, 35, 35, 49, 50, 
-	51, 35, 52, 53, 54, 35, 35, 35, 
-	35, 35, 58, 59, 60, 61, 35, 39, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 38, 39, 40, 41, 42, 35, 35, 
-	35, 35, 35, 35, 49, 50, 51, 35, 
-	52, 53, 54, 35, 35, 35, 35, 35, 
-	58, 59, 60, 61, 35, 39, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 38, 
-	39, 40, 41, 42, 43, 44, 45, 35, 
-	35, 35, 49, 50, 51, 35, 52, 53, 
-	54, 35, 35, 35, 35, 35, 58, 59, 
-	60, 61, 35, 36, 37, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 38, 39, 
-	40, 41, 42, 43, 44, 45, 46, 35, 
-	48, 49, 50, 51, 35, 52, 53, 54, 
-	35, 35, 35, 35, 57, 58, 59, 60, 
-	57, 35, 36, 35, 36, 37, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 38, 
-	39, 40, 41, 42, 43, 44, 45, 46, 
-	47, 48, 49, 50, 51, 35, 52, 53, 
-	54, 35, 35, 35, 35, 57, 58, 59, 
-	60, 57, 35, 55, 56, 35, 56, 35, 
-	64, 65, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 66, 67, 68, 69, 70, 
-	71, 72, 73, 74, 1, 75, 76, 77, 
-	78, 63, 79, 80, 81, 63, 63, 63, 
-	63, 82, 83, 84, 85, 86, 63, 64, 
-	65, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 66, 67, 68, 69, 70, 71, 
-	72, 73, 74, 75, 75, 76, 77, 78, 
-	63, 79, 80, 81, 63, 63, 63, 63, 
-	82, 83, 84, 85, 86, 63, 64, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 67, 68, 69, 70, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 79, 80, 81, 63, 63, 63, 
-	63, 63, 83, 84, 85, 87, 63, 67, 
-	68, 69, 70, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 79, 80, 81, 
-	63, 63, 63, 63, 63, 83, 84, 85, 
-	87, 63, 68, 69, 70, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 83, 
-	84, 85, 63, 69, 70, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 83, 
-	84, 85, 63, 70, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 83, 84, 
-	85, 63, 83, 84, 63, 84, 63, 68, 
-	69, 70, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 79, 80, 81, 63, 
-	63, 63, 63, 63, 83, 84, 85, 87, 
-	63, 68, 69, 70, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 80, 
-	81, 63, 63, 63, 63, 63, 83, 84, 
-	85, 87, 63, 68, 69, 70, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 81, 63, 63, 63, 63, 63, 
-	83, 84, 85, 87, 63, 89, 88, 68, 
-	69, 70, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 83, 84, 85, 87, 
-	63, 66, 67, 68, 69, 70, 63, 63, 
-	63, 63, 63, 63, 76, 77, 78, 63, 
-	79, 80, 81, 63, 63, 63, 63, 63, 
-	83, 84, 85, 87, 63, 67, 68, 69, 
-	70, 63, 63, 63, 63, 63, 63, 76, 
-	77, 78, 63, 79, 80, 81, 63, 63, 
-	63, 63, 63, 83, 84, 85, 87, 63, 
-	67, 68, 69, 70, 63, 63, 63, 63, 
-	63, 63, 63, 77, 78, 63, 79, 80, 
-	81, 63, 63, 63, 63, 63, 83, 84, 
-	85, 87, 63, 67, 68, 69, 70, 63, 
-	63, 63, 63, 63, 63, 63, 63, 78, 
-	63, 79, 80, 81, 63, 63, 63, 63, 
-	63, 83, 84, 85, 87, 63, 67, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	66, 67, 68, 69, 70, 63, 72, 73, 
-	63, 63, 63, 76, 77, 78, 63, 79, 
-	80, 81, 63, 63, 63, 63, 63, 83, 
-	84, 85, 87, 63, 67, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 66, 67, 
-	68, 69, 70, 63, 63, 73, 63, 63, 
-	63, 76, 77, 78, 63, 79, 80, 81, 
-	63, 63, 63, 63, 63, 83, 84, 85, 
-	87, 63, 67, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 66, 67, 68, 69, 
-	70, 63, 63, 63, 63, 63, 63, 76, 
-	77, 78, 63, 79, 80, 81, 63, 63, 
-	63, 63, 63, 83, 84, 85, 87, 63, 
-	67, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 66, 67, 68, 69, 70, 71, 
-	72, 73, 63, 63, 63, 76, 77, 78, 
-	63, 79, 80, 81, 63, 63, 63, 63, 
-	63, 83, 84, 85, 87, 63, 64, 65, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 66, 67, 68, 69, 70, 71, 72, 
-	73, 74, 63, 75, 76, 77, 78, 63, 
-	79, 80, 81, 63, 63, 63, 63, 82, 
-	83, 84, 85, 86, 63, 64, 90, 92, 
-	91, 3, 93, 94, 95, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 96, 97, 
-	98, 99, 100, 101, 102, 103, 104, 105, 
-	106, 107, 108, 109, 63, 110, 111, 112, 
-	63, 55, 56, 63, 113, 114, 115, 85, 
-	116, 63, 94, 95, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 96, 97, 98, 
-	99, 100, 101, 102, 103, 104, 106, 106, 
-	107, 108, 109, 63, 110, 111, 112, 63, 
-	63, 63, 63, 113, 114, 115, 85, 116, 
-	63, 94, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 97, 
-	98, 99, 100, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 110, 111, 112, 
-	63, 63, 63, 63, 63, 114, 115, 85, 
-	117, 63, 97, 98, 99, 100, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	110, 111, 112, 63, 63, 63, 63, 63, 
-	114, 115, 85, 117, 63, 98, 99, 100, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 114, 115, 85, 63, 99, 100, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 114, 115, 85, 63, 100, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 114, 115, 85, 63, 114, 115, 63, 
-	115, 63, 98, 99, 100, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 110, 
-	111, 112, 63, 63, 63, 63, 63, 114, 
-	115, 85, 117, 63, 98, 99, 100, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 111, 112, 63, 63, 63, 63, 
-	63, 114, 115, 85, 117, 63, 98, 99, 
-	100, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 112, 63, 63, 
-	63, 63, 63, 114, 115, 85, 117, 63, 
-	118, 88, 98, 99, 100, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 114, 
-	115, 85, 117, 63, 96, 97, 98, 99, 
-	100, 63, 63, 63, 63, 63, 63, 107, 
-	108, 109, 63, 110, 111, 112, 63, 63, 
-	63, 63, 63, 114, 115, 85, 117, 63, 
-	97, 98, 99, 100, 63, 63, 63, 63, 
-	63, 63, 107, 108, 109, 63, 110, 111, 
-	112, 63, 63, 63, 63, 63, 114, 115, 
-	85, 117, 63, 97, 98, 99, 100, 63, 
-	63, 63, 63, 63, 63, 63, 108, 109, 
-	63, 110, 111, 112, 63, 63, 63, 63, 
-	63, 114, 115, 85, 117, 63, 97, 98, 
-	99, 100, 63, 63, 63, 63, 63, 63, 
-	63, 63, 109, 63, 110, 111, 112, 63, 
-	63, 63, 63, 63, 114, 115, 85, 117, 
-	63, 97, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 96, 97, 98, 99, 100, 
-	63, 102, 103, 63, 63, 63, 107, 108, 
-	109, 63, 110, 111, 112, 63, 63, 63, 
-	63, 63, 114, 115, 85, 117, 63, 97, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 96, 97, 98, 99, 100, 63, 63, 
-	103, 63, 63, 63, 107, 108, 109, 63, 
-	110, 111, 112, 63, 63, 63, 63, 63, 
-	114, 115, 85, 117, 63, 97, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 96, 
-	97, 98, 99, 100, 63, 63, 63, 63, 
-	63, 63, 107, 108, 109, 63, 110, 111, 
-	112, 63, 63, 63, 63, 63, 114, 115, 
-	85, 117, 63, 97, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 96, 97, 98, 
-	99, 100, 101, 102, 103, 63, 63, 63, 
-	107, 108, 109, 63, 110, 111, 112, 63, 
-	63, 63, 63, 63, 114, 115, 85, 117, 
-	63, 94, 95, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 96, 97, 98, 99, 
-	100, 101, 102, 103, 104, 63, 106, 107, 
-	108, 109, 63, 110, 111, 112, 63, 63, 
-	63, 63, 113, 114, 115, 85, 116, 63, 
-	94, 90, 94, 95, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 96, 97, 98, 
-	99, 100, 101, 102, 103, 104, 105, 106, 
-	107, 108, 109, 63, 110, 111, 112, 63, 
-	63, 63, 63, 113, 114, 115, 85, 116, 
-	63, 5, 6, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 9, 10, 11, 12, 
-	13, 14, 15, 16, 17, 19, 19, 20, 
-	21, 22, 119, 23, 24, 25, 119, 119, 
-	119, 119, 29, 30, 31, 32, 29, 119, 
-	5, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 10, 11, 
-	12, 13, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 23, 24, 25, 119, 
-	119, 119, 119, 119, 30, 31, 32, 120, 
-	119, 10, 11, 12, 13, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 23, 
-	24, 25, 119, 119, 119, 119, 119, 30, 
-	31, 32, 120, 119, 11, 12, 13, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 30, 31, 32, 119, 12, 13, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 30, 31, 32, 119, 13, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	30, 31, 32, 119, 30, 31, 119, 31, 
-	119, 11, 12, 13, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 23, 24, 
-	25, 119, 119, 119, 119, 119, 30, 31, 
-	32, 120, 119, 11, 12, 13, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 24, 25, 119, 119, 119, 119, 119, 
-	30, 31, 32, 120, 119, 11, 12, 13, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 25, 119, 119, 119, 
-	119, 119, 30, 31, 32, 120, 119, 121, 
-	119, 11, 12, 13, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 30, 31, 
-	32, 120, 119, 9, 10, 11, 12, 13, 
-	119, 119, 119, 119, 119, 119, 20, 21, 
-	22, 119, 23, 24, 25, 119, 119, 119, 
-	119, 119, 30, 31, 32, 120, 119, 10, 
-	11, 12, 13, 119, 119, 119, 119, 119, 
-	119, 20, 21, 22, 119, 23, 24, 25, 
-	119, 119, 119, 119, 119, 30, 31, 32, 
-	120, 119, 10, 11, 12, 13, 119, 119, 
-	119, 119, 119, 119, 119, 21, 22, 119, 
-	23, 24, 25, 119, 119, 119, 119, 119, 
-	30, 31, 32, 120, 119, 10, 11, 12, 
-	13, 119, 119, 119, 119, 119, 119, 119, 
-	119, 22, 119, 23, 24, 25, 119, 119, 
-	119, 119, 119, 30, 31, 32, 120, 119, 
-	10, 119, 119, 119, 119, 119, 119, 119, 
-	119, 119, 9, 10, 11, 12, 13, 119, 
-	15, 16, 119, 119, 119, 20, 21, 22, 
-	119, 23, 24, 25, 119, 119, 119, 119, 
-	119, 30, 31, 32, 120, 119, 10, 119, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	9, 10, 11, 12, 13, 119, 119, 16, 
-	119, 119, 119, 20, 21, 22, 119, 23, 
-	24, 25, 119, 119, 119, 119, 119, 30, 
-	31, 32, 120, 119, 10, 119, 119, 119, 
-	119, 119, 119, 119, 119, 119, 9, 10, 
-	11, 12, 13, 119, 119, 119, 119, 119, 
-	119, 20, 21, 22, 119, 23, 24, 25, 
-	119, 119, 119, 119, 119, 30, 31, 32, 
-	120, 119, 10, 119, 119, 119, 119, 119, 
-	119, 119, 119, 119, 9, 10, 11, 12, 
-	13, 14, 15, 16, 119, 119, 119, 20, 
-	21, 22, 119, 23, 24, 25, 119, 119, 
-	119, 119, 119, 30, 31, 32, 120, 119, 
-	5, 6, 119, 119, 119, 119, 119, 119, 
-	119, 119, 119, 9, 10, 11, 12, 13, 
-	14, 15, 16, 17, 119, 19, 20, 21, 
-	22, 119, 23, 24, 25, 119, 119, 119, 
-	119, 29, 30, 31, 32, 29, 119, 5, 
-	119, 122, 119, 7, 119, 1, 119, 119, 
-	119, 1, 119, 119, 119, 119, 119, 5, 
-	6, 7, 119, 119, 119, 119, 119, 119, 
-	119, 119, 9, 10, 11, 12, 13, 14, 
-	15, 16, 17, 18, 19, 20, 21, 22, 
-	119, 23, 24, 25, 119, 26, 27, 119, 
-	29, 30, 31, 32, 29, 119, 5, 6, 
-	119, 119, 119, 119, 119, 119, 119, 119, 
-	119, 9, 10, 11, 12, 13, 14, 15, 
-	16, 17, 18, 19, 20, 21, 22, 119, 
-	23, 24, 25, 119, 119, 119, 119, 29, 
-	30, 31, 32, 29, 119, 26, 27, 119, 
-	27, 119, 1, 123, 123, 123, 1, 123, 
-	125, 124, 33, 124, 33, 125, 124, 125, 
-	124, 33, 124, 34, 124, 0
-};
-
-static const char _use_syllable_machine_trans_targs[] = {
-	1, 28, 0, 52, 54, 79, 80, 102, 
-	104, 92, 81, 82, 83, 84, 96, 97, 
-	98, 99, 105, 100, 93, 94, 95, 87, 
-	88, 89, 106, 107, 108, 101, 85, 86, 
-	0, 109, 111, 0, 2, 3, 15, 4, 
-	5, 6, 7, 19, 20, 21, 22, 25, 
-	23, 16, 17, 18, 10, 11, 12, 26, 
-	27, 24, 8, 9, 0, 13, 14, 0, 
-	29, 30, 42, 31, 32, 33, 34, 46, 
-	47, 48, 49, 50, 43, 44, 45, 37, 
-	38, 39, 51, 35, 36, 0, 51, 40, 
-	0, 41, 0, 0, 53, 0, 55, 56, 
-	68, 57, 58, 59, 60, 72, 73, 74, 
-	75, 78, 76, 69, 70, 71, 63, 64, 
-	65, 77, 61, 62, 77, 66, 67, 0, 
-	90, 91, 103, 0, 0, 110
-};
-
-static const char _use_syllable_machine_trans_actions[] = {
-	0, 0, 3, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	4, 0, 0, 5, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 6, 0, 0, 7, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 8, 0, 0, 9, 10, 0, 
-	11, 0, 12, 13, 0, 14, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 8, 0, 0, 10, 0, 0, 15, 
-	0, 0, 0, 16, 17, 0
-};
-
-static const char _use_syllable_machine_to_state_actions[] = {
-	1, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const char _use_syllable_machine_from_state_actions[] = {
-	2, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const short _use_syllable_machine_eof_trans[] = {
-	0, 36, 36, 36, 36, 36, 36, 36, 
-	36, 36, 36, 36, 36, 36, 36, 36, 
-	36, 36, 36, 36, 36, 36, 36, 36, 
-	36, 36, 36, 36, 64, 64, 64, 64, 
-	64, 64, 64, 64, 64, 64, 64, 64, 
-	89, 64, 64, 64, 64, 64, 64, 64, 
-	64, 64, 64, 91, 92, 94, 64, 64, 
-	64, 64, 64, 64, 64, 64, 64, 64, 
-	64, 64, 89, 64, 64, 64, 64, 64, 
-	64, 64, 64, 64, 64, 91, 64, 120, 
-	120, 120, 120, 120, 120, 120, 120, 120, 
-	120, 120, 120, 120, 120, 120, 120, 120, 
-	120, 120, 120, 120, 120, 120, 120, 120, 
-	120, 120, 120, 120, 124, 125, 125, 125
-};
-
-static const int use_syllable_machine_start = 0;
-static const int use_syllable_machine_first_final = 0;
-static const int use_syllable_machine_error = -1;
-
-static const int use_syllable_machine_en_main = 0;
-
-
-#line 58 "hb-ot-shape-complex-use-machine.rl"
-
-
-
-#line 181 "hb-ot-shape-complex-use-machine.rl"
-
-
-#define found_syllable(syllable_type) \
-  HB_STMT_START { \
-    if (0) fprintf (stderr, "syllable %d..%d %s\n", (*ts).second.first, (*te).second.first, #syllable_type); \
-    for (unsigned i = (*ts).second.first; i < (*te).second.first; ++i) \
-      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
-    syllable_serial++; \
-    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
-  } HB_STMT_END
-
-
-template <typename Iter>
-struct machine_index_t :
-  hb_iter_with_fallback_t<machine_index_t<Iter>,
-			  typename Iter::item_t>
-{
-  machine_index_t (const Iter& it) : it (it) {}
-  machine_index_t (const machine_index_t& o) : hb_iter_with_fallback_t<machine_index_t<Iter>,
-								       typename Iter::item_t> (),
-					       it (o.it), is_null (o.is_null) {}
-
-  static constexpr bool is_random_access_iterator = Iter::is_random_access_iterator;
-  static constexpr bool is_sorted_iterator = Iter::is_sorted_iterator;
-
-  typename Iter::item_t __item__ () const { return *it; }
-  typename Iter::item_t __item_at__ (unsigned i) const { return it[i]; }
-  unsigned __len__ () const { return it.len (); }
-  void __next__ () { ++it; }
-  void __forward__ (unsigned n) { it += n; }
-  void __prev__ () { --it; }
-  void __rewind__ (unsigned n) { it -= n; }
-
-  void operator = (unsigned n)
-  {
-    assert (n == 0);
-    is_null = true;
-  }
-  explicit operator bool () { return !is_null; }
-
-  void operator = (const machine_index_t& o)
-  {
-    is_null = o.is_null;
-    unsigned index = (*it).first;
-    unsigned n = (*o.it).first;
-    if (index < n) it += n - index; else if (index > n) it -= index - n;
-  }
-  bool operator == (const machine_index_t& o) const
-  { return is_null ? o.is_null : !o.is_null && (*it).first == (*o.it).first; }
-  bool operator != (const machine_index_t& o) const { return !(*this == o); }
-
-  private:
-  Iter it;
-  bool is_null = false;
-};
-struct
-{
-  template <typename Iter,
-	    hb_requires (hb_is_iterable (Iter))>
-  machine_index_t<hb_iter_type<Iter>>
-  operator () (Iter&& it) const
-  { return machine_index_t<hb_iter_type<Iter>> (hb_iter (it)); }
-}
-HB_FUNCOBJ (machine_index);
-
-
-
-static bool
-not_ccs_default_ignorable (const hb_glyph_info_t &i)
-{ return i.use_category() != USE(CGJ); }
-
-static inline void
-find_syllables_use (hb_buffer_t *buffer)
-{
-  hb_glyph_info_t *info = buffer->info;
-  auto p =
-    + hb_iter (info, buffer->len)
-    | hb_enumerate
-    | hb_filter ([] (const hb_glyph_info_t &i) { return not_ccs_default_ignorable (i); },
-		 hb_second)
-    | hb_filter ([&] (const hb_pair_t<unsigned, const hb_glyph_info_t &> p)
-		 {
-		   if (p.second.use_category() == USE(ZWNJ))
-		     for (unsigned i = p.first + 1; i < buffer->len; ++i)
-		       if (not_ccs_default_ignorable (info[i]))
-			 return !_hb_glyph_info_is_unicode_mark (&info[i]);
-		   return true;
-		 })
-    | hb_enumerate
-    | machine_index
-    ;
-  auto pe = p + p.len ();
-  auto eof = +pe;
-  auto ts = +p;
-  auto te = +p;
-  unsigned int act HB_UNUSED;
-  int cs;
-  
-#line 702 "hb-ot-shape-complex-use-machine.hh"
-	{
-	cs = use_syllable_machine_start;
-	ts = 0;
-	te = 0;
-	act = 0;
-	}
-
-#line 281 "hb-ot-shape-complex-use-machine.rl"
-
-
-  unsigned int syllable_serial = 1;
-  
-#line 715 "hb-ot-shape-complex-use-machine.hh"
-	{
-	int _slen;
-	int _trans;
-	const unsigned char *_keys;
-	const char *_inds;
-	if ( p == pe )
-		goto _test_eof;
-_resume:
-	switch ( _use_syllable_machine_from_state_actions[cs] ) {
-	case 2:
-#line 1 "NONE"
-	{ts = p;}
-	break;
-#line 729 "hb-ot-shape-complex-use-machine.hh"
-	}
-
-	_keys = _use_syllable_machine_trans_keys + (cs<<1);
-	_inds = _use_syllable_machine_indicies + _use_syllable_machine_index_offsets[cs];
-
-	_slen = _use_syllable_machine_key_spans[cs];
-	_trans = _inds[ _slen > 0 && _keys[0] <=( (*p).second.second.use_category()) &&
-		( (*p).second.second.use_category()) <= _keys[1] ?
-		( (*p).second.second.use_category()) - _keys[0] : _slen ];
-
-_eof_trans:
-	cs = _use_syllable_machine_trans_targs[_trans];
-
-	if ( _use_syllable_machine_trans_actions[_trans] == 0 )
-		goto _again;
-
-	switch ( _use_syllable_machine_trans_actions[_trans] ) {
-	case 9:
-#line 171 "hb-ot-shape-complex-use-machine.rl"
-	{te = p+1;{ found_syllable (use_standard_cluster); }}
-	break;
-	case 6:
-#line 174 "hb-ot-shape-complex-use-machine.rl"
-	{te = p+1;{ found_syllable (use_symbol_cluster); }}
-	break;
-	case 4:
-#line 176 "hb-ot-shape-complex-use-machine.rl"
-	{te = p+1;{ found_syllable (use_broken_cluster); }}
-	break;
-	case 3:
-#line 177 "hb-ot-shape-complex-use-machine.rl"
-	{te = p+1;{ found_syllable (use_non_cluster); }}
-	break;
-	case 11:
-#line 170 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_sakot_terminated_cluster); }}
-	break;
-	case 7:
-#line 171 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_standard_cluster); }}
-	break;
-	case 14:
-#line 172 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_number_joiner_terminated_cluster); }}
-	break;
-	case 13:
-#line 173 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_numeral_cluster); }}
-	break;
-	case 5:
-#line 174 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_symbol_cluster); }}
-	break;
-	case 17:
-#line 175 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_hieroglyph_cluster); }}
-	break;
-	case 15:
-#line 176 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_broken_cluster); }}
-	break;
-	case 16:
-#line 177 "hb-ot-shape-complex-use-machine.rl"
-	{te = p;p--;{ found_syllable (use_non_cluster); }}
-	break;
-	case 12:
-#line 1 "NONE"
-	{	switch( act ) {
-	case 1:
-	{{p = ((te))-1;} found_syllable (use_virama_terminated_cluster); }
-	break;
-	case 2:
-	{{p = ((te))-1;} found_syllable (use_sakot_terminated_cluster); }
-	break;
-	}
-	}
-	break;
-	case 8:
-#line 1 "NONE"
-	{te = p+1;}
-#line 169 "hb-ot-shape-complex-use-machine.rl"
-	{act = 1;}
-	break;
-	case 10:
-#line 1 "NONE"
-	{te = p+1;}
-#line 170 "hb-ot-shape-complex-use-machine.rl"
-	{act = 2;}
-	break;
-#line 819 "hb-ot-shape-complex-use-machine.hh"
-	}
-
-_again:
-	switch ( _use_syllable_machine_to_state_actions[cs] ) {
-	case 1:
-#line 1 "NONE"
-	{ts = 0;}
-	break;
-#line 828 "hb-ot-shape-complex-use-machine.hh"
-	}
-
-	if ( ++p != pe )
-		goto _resume;
-	_test_eof: {}
-	if ( p == eof )
-	{
-	if ( _use_syllable_machine_eof_trans[cs] > 0 ) {
-		_trans = _use_syllable_machine_eof_trans[cs] - 1;
-		goto _eof_trans;
-	}
-	}
-
-	}
-
-#line 286 "hb-ot-shape-complex-use-machine.rl"
-
-}
-
-#undef found_syllable
-
-#endif /* HB_OT_SHAPE_COMPLEX_USE_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-table.hh
deleted file mode 100644
index ea627cd27e..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use-table.hh
+++ /dev/null
@@ -1,1570 +0,0 @@
-/* == Start of generated table == */
-/*
- * The following table is generated by running:
- *
- *   ./gen-use-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt ArabicShaping.txt DerivedCoreProperties.txt UnicodeData.txt Blocks.txt Scripts.txt IndicSyllabicCategory-Additional.txt IndicPositionalCategory-Additional.txt
- *
- * on files with these headers:
- *
- * # IndicSyllabicCategory-14.0.0.txt
- * # Date: 2021-05-22, 01:01:00 GMT [KW, RP]
- * # IndicPositionalCategory-14.0.0.txt
- * # Date: 2021-05-22, 01:01:00 GMT [KW, RP]
- * # ArabicShaping-14.0.0.txt
- * # Date: 2021-05-21, 01:54:00 GMT [KW, RP]
- * # DerivedCoreProperties-14.0.0.txt
- * # Date: 2021-08-12, 23:12:53 GMT
- * # Blocks-14.0.0.txt
- * # Date: 2021-01-22, 23:29:00 GMT [KW]
- * # Scripts-14.0.0.txt
- * # Date: 2021-07-10, 00:35:31 GMT
- * # Override values For Indic_Syllabic_Category
- * # Not derivable
- * # Initial version based on Unicode 7.0 by Andrew Glass 2014-03-17
- * # Updated for Unicode 10.0 by Andrew Glass 2017-07-25
- * # Updated for Unicode 12.1 by Andrew Glass 2019-05-24
- * # Updated for Unicode 13.0 by Andrew Glass 2020-07-28
- * # Updated for Unicode 14.0 by Andrew Glass 2021-09-25
- * # Override values For Indic_Positional_Category
- * # Not derivable
- * # Initial version based on Unicode 7.0 by Andrew Glass 2014-03-17
- * # Updated for Unicode 10.0 by Andrew Glass 2017-07-25
- * # Ammended for Unicode 10.0 by Andrew Glass 2018-09-21
- * # Updated for L2/19-083    by Andrew Glass 2019-05-06
- * # Updated for Unicode 12.1 by Andrew Glass 2019-05-30
- * # Updated for Unicode 13.0 by Andrew Glass 2020-07-28
- * # Updated for Unicode 14.0 by Andrew Glass 2021-09-28
- * UnicodeData.txt does not have a header.
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_USE_TABLE_HH
-#define HB_OT_SHAPE_COMPLEX_USE_TABLE_HH
-
-#include "hb.hh"
-
-#include "hb-ot-shape-complex-use-machine.hh"
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-macros"
-#define B	USE(B)	/* BASE */
-#define CGJ	USE(CGJ)	/* CGJ */
-#define CS	USE(CS)	/* CONS_WITH_STACKER */
-#define G	USE(G)	/* HIEROGLYPH */
-#define GB	USE(GB)	/* BASE_OTHER */
-#define H	USE(H)	/* HALANT */
-#define HN	USE(HN)	/* HALANT_NUM */
-#define IS	USE(IS)	/* INVISIBLE_STACKER */
-#define J	USE(J)	/* HIEROGLYPH_JOINER */
-#define N	USE(N)	/* BASE_NUM */
-#define O	USE(O)	/* OTHER */
-#define R	USE(R)	/* REPHA */
-#define SB	USE(SB)	/* HIEROGLYPH_SEGMENT_BEGIN */
-#define SE	USE(SE)	/* HIEROGLYPH_SEGMENT_END */
-#define SUB	USE(SUB)	/* CONS_SUB */
-#define Sk	USE(Sk)	/* SAKOT */
-#define WJ	USE(WJ)	/* Word_Joiner */
-#define ZWNJ	USE(ZWNJ)	/* ZWNJ */
-#define CMAbv	USE(CMAbv)
-#define CMBlw	USE(CMBlw)
-#define FAbv	USE(FAbv)
-#define FBlw	USE(FBlw)
-#define FPst	USE(FPst)
-#define FMAbv	USE(FMAbv)
-#define FMBlw	USE(FMBlw)
-#define FMPst	USE(FMPst)
-#define MAbv	USE(MAbv)
-#define MBlw	USE(MBlw)
-#define MPst	USE(MPst)
-#define MPre	USE(MPre)
-#define SMAbv	USE(SMAbv)
-#define SMBlw	USE(SMBlw)
-#define VAbv	USE(VAbv)
-#define VBlw	USE(VBlw)
-#define VPst	USE(VPst)
-#define VPre	USE(VPre)
-#define VMAbv	USE(VMAbv)
-#define VMBlw	USE(VMBlw)
-#define VMPst	USE(VMPst)
-#define VMPre	USE(VMPre)
-#pragma GCC diagnostic pop
-
-static const uint8_t use_table[] = {
-
-
-#define use_offset_0x0028u 0
-
-
-  /* Basic Latin */
-                                                                         O,     O,     O,     O,     O,    GB,     O,     O,
-  /* 0030 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
-
-#define use_offset_0x00a0u 24
-
-
-  /* Latin-1 Supplement */
-
-  /* 00A0 */    GB,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,     O,     O,
-  /* 00B0 */     O,     O, FMPst, FMPst,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 00C0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 00D0 */     O,     O,     O,     O,     O,     O,     O,    GB,
-
-#define use_offset_0x0348u 80
-
-
-  /* Combining Diacritical Marks */
-                                                                         O,     O,     O,     O,     O,     O,     O,   CGJ,
-
-#define use_offset_0x0640u 88
-
-
-  /* Arabic */
-
-  /* 0640 */     B,     O,     O,     O,     O,     O,     O,     O,
-
-#define use_offset_0x07c8u 96
-
-
-  /* NKo */
-                                                                         O,     O,     B,     B,     B,     B,     B,     B,
-  /* 07D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 07E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,
-  /* 07F0 */ VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,     O,     O,     O,     B,    WJ,    WJ, VMAbv,     O,     O,
-
-#define use_offset_0x0840u 152
-
-
-  /* Mandaic */
-
-  /* 0840 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0850 */     B,     B,     B,     B,     B,     B,     B,     B,     B, CMBlw, CMBlw, CMBlw,    WJ,    WJ,     O,    WJ,
-
-#define use_offset_0x0900u 184
-
-
-  /* Devanagari */
-
-  /* 0900 */ VMAbv, VMAbv, VMAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0910 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0920 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0930 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VPst, CMBlw,     B,  VPst,  VPre,
-  /* 0940 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,  VPst,  VPst,  VPst,  VPst,     H,  VPre,  VPst,
-  /* 0950 */     O, VMAbv, VMBlw,     O,     O,  VAbv,  VBlw,  VBlw,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0960 */     B,     B,  VBlw,  VBlw,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0970 */     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-
-  /* Bengali */
-
-  /* 0980 */    GB, VMAbv, VMPst, VMPst,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     B,
-  /* 0990 */     B,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 09A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 09B0 */     B,    WJ,     B,    WJ,    WJ,    WJ,     B,     B,     B,     B,    WJ,    WJ, CMBlw,     B,  VPst,  VPre,
-  /* 09C0 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,    WJ,  VPre,  VPre,    WJ,    WJ,  VPre,  VPre,     H,     O,    WJ,
-  /* 09D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,  VPst,    WJ,    WJ,    WJ,    WJ,     B,     B,    WJ,     B,
-  /* 09E0 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 09F0 */     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     B,     O, FMAbv,    WJ,
-
-  /* Gurmukhi */
-
-  /* 0A00 */    WJ, VMAbv, VMAbv, VMPst,    WJ,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,     B,
-  /* 0A10 */     B,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0A30 */     B,    WJ,     B,     B,    WJ,     B,     B,    WJ,     B,     B,    WJ,    WJ, CMBlw,    WJ,  VPst,  VPre,
-  /* 0A40 */  VPst,  VBlw,  VBlw,    WJ,    WJ,    WJ,    WJ,  VAbv,  VAbv,    WJ,    WJ,  VAbv,  VAbv,     H,    WJ,    WJ,
-  /* 0A50 */    WJ, VMBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,    WJ,     B,    WJ,
-  /* 0A60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0A70 */ VMAbv, CMAbv,    GB,    GB,     O,  MBlw,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Gujarati */
-
-  /* 0A80 */    WJ, VMAbv, VMAbv, VMPst,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,
-  /* 0A90 */     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0AA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0AB0 */     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,    WJ,    WJ, CMBlw,     B,  VPst,  VPre,
-  /* 0AC0 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,    WJ,  VAbv,  VAbv,  VAbv,    WJ,  VPst,  VPst,     H,    WJ,    WJ,
-  /* 0AD0 */     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 0AE0 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0AF0 */     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B, VMAbv, VMAbv, VMAbv, CMAbv, CMAbv, CMAbv,
-
-  /* Oriya */
-
-  /* 0B00 */    WJ, VMAbv, VMPst, VMPst,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     B,
-  /* 0B10 */     B,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0B20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0B30 */     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,    WJ,    WJ, CMBlw,     B,  VPst,  VAbv,
-  /* 0B40 */  VPst,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,    WJ,  VPre,  VPre,    WJ,    WJ,  VPre,  VPre,     H,    WJ,    WJ,
-  /* 0B50 */    WJ,    WJ,    WJ,    WJ,    WJ,  VAbv,  VAbv,  VAbv,    WJ,    WJ,    WJ,    WJ,     B,     B,    WJ,     B,
-  /* 0B60 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0B70 */     O,     B,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Tamil */
-
-  /* 0B80 */    WJ,    WJ, VMAbv,     O,    WJ,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,     B,     B,
-  /* 0B90 */     B,    WJ,     B,     B,     B,     B,    WJ,    WJ,    WJ,     B,     B,    WJ,     B,    WJ,     B,     B,
-  /* 0BA0 */    WJ,    WJ,    WJ,     B,     B,    WJ,    WJ,    WJ,     B,     B,     B,    WJ,    WJ,    WJ,     B,     B,
-  /* 0BB0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,  VPst,  VPst,
-  /* 0BC0 */  VAbv,  VPst,  VPst,    WJ,    WJ,    WJ,  VPre,  VPre,  VPre,    WJ,  VPre,  VPre,  VPre,     H,    WJ,    WJ,
-  /* 0BD0 */     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,  VPst,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 0BE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0BF0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Telugu */
-
-  /* 0C00 */ VMAbv, VMPst, VMPst, VMPst, VMAbv,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,
-  /* 0C10 */     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0C20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0C30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ, CMBlw,     B,  VAbv,  VAbv,
-  /* 0C40 */  VAbv,  VPst,  VPst,  VPst,  VPst,    WJ,  VAbv,  VAbv,  VAbv,    WJ,  VAbv,  VAbv,  VAbv,     H,    WJ,    WJ,
-  /* 0C50 */    WJ,    WJ,    WJ,    WJ,    WJ,  VAbv,  VBlw,    WJ,     B,     B,     B,    WJ,    WJ,     O,    WJ,    WJ,
-  /* 0C60 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0C70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-
-  /* Kannada */
-
-  /* 0C80 */     B, VMAbv, VMPst, VMPst,     O,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,
-  /* 0C90 */     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0CA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0CB0 */     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,    WJ,    WJ, CMBlw,     B,  VPst,  VAbv,
-  /* 0CC0 */  VAbv,  VPst,  VPst,  VPst,  VPst,    WJ,  VAbv,  VAbv,  VAbv,    WJ,  VAbv,  VAbv,  VAbv,     H,    WJ,    WJ,
-  /* 0CD0 */    WJ,    WJ,    WJ,    WJ,    WJ,  VPst,  VPst,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     B,    WJ,
-  /* 0CE0 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0CF0 */    WJ,    CS,    CS,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Malayalam */
-
-  /* 0D00 */ VMAbv, VMAbv, VMPst, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,
-  /* 0D10 */     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0D20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0D30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,     B,  VPst,  VPst,
-  /* 0D40 */  VPst,  VPst,  VPst,  VBlw,  VBlw,    WJ,  VPre,  VPre,  VPre,    WJ,  VPre,  VPre,  VPre,     H,     R,     O,
-  /* 0D50 */    WJ,    WJ,    WJ,    WJ,     O,     O,     O,  VPst,     O,     O,     O,     O,     O,     O,     O,     B,
-  /* 0D60 */     B,     B,  VBlw,  VBlw,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0D70 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-
-  /* Sinhala */
-
-  /* 0D80 */    WJ, VMAbv, VMPst, VMPst,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0D90 */     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 0DA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0DB0 */     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,    WJ,    WJ,
-  /* 0DC0 */     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,     H,    WJ,    WJ,    WJ,    WJ,  VPst,
-  /* 0DD0 */  VPst,  VPst,  VAbv,  VAbv,  VBlw,    WJ,  VBlw,    WJ,  VPst,  VPre,  VPre,  VPre,  VPre,  VPre,  VPre,  VPst,
-  /* 0DE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0DF0 */    WJ,    WJ,  VPst,  VPst,     O,    WJ,    WJ,    WJ,
-
-#define use_offset_0x0f00u 1456
-
-
-  /* Tibetan */
-
-  /* 0F00 */     B,     B,     O,     O,     B,     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 0F10 */     O,     O,     O,     O,     O,     O,     O,     O,  VBlw,  VBlw,     O,     O,     O,     O,     O,     O,
-  /* 0F20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0F30 */     B,     B,     B,     B,     O,  FBlw,     O,  FBlw,     O, CMAbv,     O,     O,     O,     O,  VPst,  VPre,
-  /* 0F40 */     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,
-  /* 0F50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 0F60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,
-  /* 0F70 */    WJ, CMBlw,  VBlw,  VAbv,  VAbv,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw, VMAbv,     O,
-  /* 0F80 */  VBlw,  VAbv, VMAbv, VMAbv,  VBlw,     O, VMAbv, VMAbv,     B,     B,     B,     B,     B,   SUB,   SUB,   SUB,
-  /* 0F90 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,    WJ,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
-  /* 0FA0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
-  /* 0FB0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,    WJ,     O,     O,
-  /* 0FC0 */     O,     O,     O,     O,     O,     O,  FBlw,     O,
-
-#define use_offset_0x1000u 1656
-
-
-  /* Myanmar */
-
-  /* 1000 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1010 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1020 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VAbv,  VAbv,  VBlw,
-  /* 1030 */  VBlw,  VPre,  VAbv,  VAbv,  VAbv,  VAbv, VMAbv, VMBlw, VMPst,    IS,  VAbv,  MPst,  MPre,  MBlw,  MBlw,     B,
-  /* 1040 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,    GB,     O,     O,    GB,     O,
-  /* 1050 */     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VBlw,  VBlw,     B,     B,     B,     B,  MBlw,  MBlw,
-  /* 1060 */  MBlw,     B,  VPst, VMPst, VMPst,     B,     B,  VPst,  VPst, VMPst, VMPst, VMPst, VMPst, VMPst,     B,     B,
-  /* 1070 */     B,  VAbv,  VAbv,  VAbv,  VAbv,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1080 */     B,     B,  MBlw,  VPst,  VPre,  VAbv,  VAbv, VMPst, VMPst, VMPst, VMPst, VMPst, VMPst, VMBlw,     B, VMPst,
-  /* 1090 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMPst, VMPst,  VPst,  VAbv,     O,     O,
-
-#define use_offset_0x1700u 1816
-
-
-  /* Tagalog */
-
-  /* 1700 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1710 */     B,     B,  VAbv,  VBlw,  VBlw,  VPst,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,
-
-  /* Hanunoo */
-
-  /* 1720 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1730 */     B,     B,  VAbv,  VBlw,  VPst,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Buhid */
-
-  /* 1740 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1750 */     B,     B,  VAbv,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Tagbanwa */
-
-  /* 1760 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,
-  /* 1770 */     B,    WJ,  VAbv,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Khmer */
-
-  /* 1780 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1790 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 17A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 17B0 */     B,     B,     B,     B,   CGJ,   CGJ,  VPst,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VPre,  VPre,
-  /* 17C0 */  VPre,  VPre,  VPre,  VPre,  VPre,  VPre, VMAbv, VMPst,  VPst, VMAbv, VMAbv, FMAbv,  FAbv, CMAbv, FMAbv, VMAbv,
-  /* 17D0 */ FMAbv,  VAbv,    IS, FMAbv,     O,     O,     O,     O,     O,     O,     O,     O,     B, FMAbv,    WJ,    WJ,
-  /* 17E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 17F0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Mongolian */
-
-  /* 1800 */     B,     O,     O,     O,     O,     O,     O,     B,     O,     O,     B,   CGJ,   CGJ,   CGJ,    WJ,   CGJ,
-  /* 1810 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 1820 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1830 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1840 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1850 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1860 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1870 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 1880 */    GB,    GB,    GB,    GB,    GB, CMAbv, CMAbv,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1890 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B, CMBlw,     B,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x1900u 2248
-
-
-  /* Limbu */
-
-  /* 1900 */    GB,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1910 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,
-  /* 1920 */  VAbv,  VAbv,  VBlw,  VPst,  VPst,  VAbv,  VAbv,  VAbv,  VAbv,   SUB,   SUB,   SUB,    WJ,    WJ,    WJ,    WJ,
-  /* 1930 */  FPst,  FPst, VMBlw,  FPst,  FPst,  FPst,  FPst,  FPst,  FPst,  FBlw, VMAbv, FMBlw,    WJ,    WJ,    WJ,    WJ,
-  /* 1940 */     O,    WJ,    WJ,    WJ,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-
-  /* Tai Le */
-
-  /* 1950 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1960 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,
-  /* 1970 */     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* New Tai Lue */
-
-  /* 1980 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1990 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 19A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,
-  /* 19B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 19C0 */     B,     B,     B,     B,     B,     B,     B,     B, VMPst, VMPst,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 19D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,     O,     O,
-  /* 19E0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 19F0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-
-  /* Buginese */
-
-  /* 1A00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1A10 */     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VPre,  VPst,  VAbv,    WJ,    WJ,     O,     O,
-
-  /* Tai Tham */
-
-  /* 1A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1A30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1A40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1A50 */     B,     B,     B,     B,     B,  MPre,  MBlw,   SUB,  FAbv,  FAbv,  MAbv,   SUB,   SUB,   SUB,   SUB,    WJ,
-  /* 1A60 */    Sk,  VPst,  VAbv,  VPst,  VPst,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VAbv,  VBlw,  VPst,  VPre,  VPre,
-  /* 1A70 */  VPre,  VPre,  VPre,  VAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,  VAbv, VMAbv, VMAbv,    WJ,    WJ, VMBlw,
-  /* 1A80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 1A90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x1b00u 2664
-
-
-  /* Balinese */
-
-  /* 1B00 */ VMAbv, VMAbv, VMAbv,  FAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1B10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1B20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1B30 */     B,     B,     B,     B, CMAbv,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VPre,  VPre,
-  /* 1B40 */  VPre,  VPre,  VAbv,  VAbv,     H,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,
-  /* 1B50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,     O,
-  /* 1B60 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O, SMAbv, SMBlw, SMAbv, SMAbv, SMAbv,
-  /* 1B70 */ SMAbv, SMAbv, SMAbv, SMAbv,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,
-
-  /* Sundanese */
-
-  /* 1B80 */ VMAbv,  FAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1B90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BA0 */     B,   SUB,   SUB,   SUB,  VAbv,  VBlw,  VPre,  VPst,  VAbv,  VAbv,  VPst,    IS,   SUB,   SUB,     B,     B,
-  /* 1BB0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-
-  /* Batak */
-
-  /* 1BC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BD0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BE0 */     B,     B,     B,     B,     B,     B, CMAbv,  VPst,  VAbv,  VAbv,  VPst,  VPst,  VPst,  VAbv,  VPst,  VAbv,
-  /* 1BF0 */  FAbv,  FAbv, CMBlw, CMBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,
-
-  /* Lepcha */
-
-  /* 1C00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1C10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1C20 */     B,     B,     B,     B,   SUB,   SUB,  VPst,  VPre,  VPre,  VPre,  VPst,  VPst,  VBlw,  FAbv,  FAbv,  FAbv,
-  /* 1C30 */  FAbv,  FAbv,  FAbv,  FAbv, VMPre, VMPre, FMAbv, CMBlw,    WJ,    WJ,    WJ,     O,     O,     O,     O,     O,
-  /* 1C40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,     B,     B,     B,
-
-#define use_offset_0x1cd0u 3000
-
-
-  /* Vedic Extensions */
-
-  /* 1CD0 */ VMAbv, VMAbv, VMAbv,     O, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMAbv, VMAbv, VMBlw, VMBlw, VMBlw, VMBlw,
-  /* 1CE0 */ VMAbv, VMPst, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw,     O,     O,     O,     O, VMBlw,     O,     O,
-  /* 1CF0 */     O,     O,     O,     O, VMAbv,    CS,    CS, VMPst, VMAbv, VMAbv,    GB,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x1df8u 3048
-
-
-  /* Combining Diacritical Marks Supplement */
-                                                                         O,     O,     O, FMAbv,     O,     O,     O,     O,
-
-#define use_offset_0x2008u 3056
-
-
-  /* General Punctuation */
-                                                                         O,     O,     O,    WJ,  ZWNJ,   CGJ,    WJ,    WJ,
-  /* 2010 */    GB,    GB,    GB,    GB,    GB,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 2020 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,     O,
-  /* 2030 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 2040 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 2050 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 2060 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Superscripts and Subscripts */
-
-  /* 2070 */     O,     O,    WJ,    WJ, FMPst,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 2080 */     O,     O, FMPst, FMPst, FMPst,     O,     O,     O,
-
-#define use_offset_0x20f0u 3184
-
-
-  /* Combining Diacritical Marks for Symbols */
-
-  /* 20F0 */ VMAbv,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x25c8u 3192
-
-
-  /* Geometric Shapes */
-                                                                         O,     O,     O,     O,     B,     O,     O,     O,
-
-#define use_offset_0x2d30u 3200
-
-
-  /* Tifinagh */
-
-  /* 2D30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 2D40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 2D50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 2D60 */     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,
-  /* 2D70 */     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     H,
-
-#define use_offset_0xa800u 3280
-
-
-  /* Syloti Nagri */
-
-  /* A800 */     B,     B,  VAbv,     B,     B,     B,     H,     B,     B,     B,     B, VMAbv,     B,     B,     B,     B,
-  /* A810 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A820 */     B,     B,     B,  VPst,  VPst,  VBlw,  VAbv,  VPst,     O,     O,     O,     O,  VBlw,    WJ,    WJ,    WJ,
-  /* A830 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Phags-pa */
-
-  /* A840 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A850 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A860 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A870 */     B,     B,     B,     B,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Saurashtra */
-
-  /* A880 */ VMPst, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A890 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A8A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A8B0 */     B,     B,     B,     B,  MPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,  VPst,
-  /* A8C0 */  VPst,  VPst,  VPst,  VPst,     H, VMAbv,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,
-  /* A8D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Devanagari Extended */
-
-  /* A8E0 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,
-  /* A8F0 */ VMAbv, VMAbv,     B,     B,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     B,  VAbv,
-
-  /* Kayah Li */
-
-  /* A900 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A910 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A920 */     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv, VMBlw, VMBlw, VMBlw,     O,     O,
-
-  /* Rejang */
-
-  /* A930 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A940 */     B,     B,     B,     B,     B,     B,     B,  VBlw,  VBlw,  VBlw,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,  FAbv,
-  /* A950 */  FAbv,  FAbv,  FPst,  VPst,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,
-  /* A960 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* A970 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,
-
-  /* Javanese */
-
-  /* A980 */ VMAbv, VMAbv,  FAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A990 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A9A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A9B0 */     B,     B,     B, CMAbv,  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VPre,  VAbv,  MBlw,  MPst,  MBlw,
-  /* A9C0 */     H,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,     O,
-  /* A9D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,     O,     O,
-
-  /* Myanmar Extended-B */
-
-  /* A9E0 */     B,     B,     B,     B,     B,  VAbv,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* A9F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,
-
-  /* Cham */
-
-  /* AA00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AA10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AA20 */     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VAbv,  VPre,
-  /* AA30 */  VPre,  VAbv,  VBlw,  MPst,  MPre,  MAbv,  MBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* AA40 */     B,     B,     B,  FAbv,     B,     B,     B,     B,     B,     B,     B,     B,  FAbv,  FPst,    WJ,    WJ,
-  /* AA50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     O,     O,     O,     O,
-
-  /* Myanmar Extended-A */
-
-  /* AA60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AA70 */     O,     B,     B,     B,    GB,    GB,    GB,     O,     O,     O,     B, VMPst, VMAbv, VMPst,     B,     B,
-
-  /* Tai Viet */
-
-  /* AA80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AA90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AAA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* AAB0 */  VAbv,     B,  VAbv,  VAbv,  VBlw,     B,     B,  VAbv,  VAbv,     B,     B,     B,     B,     B,  VAbv, VMAbv,
-  /* AAC0 */     B, VMAbv,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* AAD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,     O,
-
-  /* Meetei Mayek Extensions */
-
-  /* AAE0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPre,  VBlw,  VAbv,  VPre,  VPst,
-  /* AAF0 */     O,     O,     O,     O,     O, VMPst,    IS,    WJ,
-
-#define use_offset_0xabc0u 4040
-
-
-  /* Meetei Mayek */
-
-  /* ABC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* ABD0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* ABE0 */     B,     B,     B,  VPst,  VPst,  VAbv,  VPst,  VPst,  VBlw,  VPst,  VPst,     O, VMPst,  VBlw,    WJ,    WJ,
-  /* ABF0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0xfe00u 4104
-
-
-  /* Variation Selectors */
-
-  /* FE00 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-
-#define use_offset_0xfef8u 4120
-
-
-  /* Arabic Presentation Forms-B */
-                                                                         O,     O,     O,     O,     O,    WJ,    WJ,    WJ,
-
-#define use_offset_0xfff0u 4128
-
-
-  /* Specials */
-
-  /* FFF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,     O,    WJ,    WJ,
-
-#define use_offset_0x10570u 4144
-
-
-  /* Vithkuqi */
-
-  /* 10570 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,
-  /* 10580 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,
-  /* 10590 */     B,     B,     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 105A0 */     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 105B0 */     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,    WJ,    WJ,    WJ,
-
-#define use_offset_0x10a00u 4224
-
-
-  /* Kharoshthi */
-
-  /* 10A00 */     B,  VBlw,  VBlw,  VBlw,    WJ,  VAbv,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,  VPst, VMBlw, VMBlw, VMAbv,
-  /* 10A10 */     B,     B,     B,     B,    WJ,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,
-  /* 10A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10A30 */     B,     B,     B,     B,     B,     B,    WJ,    WJ, CMAbv, CMBlw, CMBlw,    WJ,    WJ,    WJ,    WJ,    IS,
-  /* 10A40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x10ac0u 4304
-
-
-  /* Manichaean */
-
-  /* 10AC0 */     B,     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,     B,     B,     B,     B,     B,
-  /* 10AD0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10AE0 */     B,     B,     B,     B,     B, CMBlw, CMBlw,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,
-
-#define use_offset_0x10b80u 4352
-
-
-  /* Psalter Pahlavi */
-
-  /* 10B80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10B90 */     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,    WJ,    WJ,    WJ,
-  /* 10BA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     O,
-
-#define use_offset_0x10d00u 4400
-
-
-  /* Hanifi Rohingya */
-
-  /* 10D00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10D10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10D20 */     B,     B,     B,     B, VMAbv, VMAbv, VMAbv, CMAbv,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 10D30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x10e80u 4464
-
-
-  /* Yezidi */
-
-  /* 10E80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10E90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10EA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,  VAbv,  VAbv,     O,    WJ,    WJ,
-  /* 10EB0 */     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x10f30u 4520
-
-
-  /* Sogdian */
-
-  /* 10F30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10F40 */     B,     B,     B,     B,     B,     B, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw, VMBlw,
-  /* 10F50 */ VMBlw,     B,     B,     B,     B,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 10F60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Old Uyghur */
-
-  /* 10F70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10F80 */     B,     B, CMBlw, CMBlw, CMBlw, CMBlw,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 10F90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 10FA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Chorasmian */
-
-  /* 10FB0 */     B,     O,     B,     B,     B,     B,     B,     O,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 10FC0 */     O,     B,     B,     B,     B,     O,     O,     O,     O,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,
-  /* 10FD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 10FE0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 10FF0 */     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Brahmi */
-
-  /* 11000 */ VMPst, VMAbv, VMPst,    CS,    CS,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11010 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11020 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11030 */     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,
-  /* 11040 */  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,     H,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,
-  /* 11050 */    WJ,    WJ,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,
-  /* 11060 */     N,     N,     N,     N,     N,     N,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11070 */  VAbv,     B,     B,  VAbv,  VAbv,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    HN,
-
-  /* Kaithi */
-
-  /* 11080 */ VMAbv, VMAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11090 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 110A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 110B0 */  VPst,  VPre,  VPst,  VBlw,  VBlw,  VAbv,  VAbv,  VPst,  VPst,     H, CMBlw,     O,     O,     O,     O,     O,
-  /* 110C0 */     O,     O,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x11100u 4928
-
-
-  /* Chakma */
-
-  /* 11100 */ VMAbv, VMAbv, VMAbv,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11110 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11120 */     B,     B,     B,     B,     B,     B,     B,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VPre,  VBlw,  VAbv,  VAbv,
-  /* 11130 */  VBlw,  VAbv,  VAbv,    IS, CMAbv,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11140 */     O,     O,     O,     O,     B,  VPst,  VPst,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Mahajani */
-
-  /* 11150 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11160 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11170 */     B,     B,     B, CMBlw,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Sharada */
-
-  /* 11180 */ VMAbv, VMAbv, VMPst,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11190 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 111A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 111B0 */     B,     B,     B,  VPst,  VPre,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,
-  /* 111C0 */     H,     B,     R,     R,     O,     O,     O,     O,     O, FMBlw, CMBlw,  VAbv,  VBlw,     O,  VPre, VMAbv,
-  /* 111D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,     O,
-
-  /* Sinhala Archaic Numbers */
-
-  /* 111E0 */    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 111F0 */     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Khojki */
-
-  /* 11200 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11210 */     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11220 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VPst,  VBlw,
-  /* 11230 */  VAbv,  VAbv,  VAbv,  VAbv, VMAbv,     H, CMAbv, CMAbv,     O,     O,     O,     O,     O,     O, VMAbv,    WJ,
-
-#define use_offset_0x11280u 5248
-
-
-  /* Multani */
-
-  /* 11280 */     B,     B,     B,     B,     B,     B,     B,    WJ,     B,    WJ,     B,     B,     B,     B,    WJ,     B,
-  /* 11290 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,
-  /* 112A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Khudawadi */
-
-  /* 112B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 112C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 112D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv,
-  /* 112E0 */  VPst,  VPre,  VPst,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv, CMBlw,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 112F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Grantha */
-
-  /* 11300 */ VMAbv, VMAbv, VMAbv, VMAbv,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     B,
-  /* 11310 */     B,    WJ,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11320 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 11330 */     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,    WJ, CMBlw, CMBlw,     B,  VPst,  VPst,
-  /* 11340 */  VAbv,  VPst,  VPst,  VPst,  VPst,    WJ,    WJ,  VPre,  VPre,    WJ,    WJ,  VPre,  VPre,     H,    WJ,    WJ,
-  /* 11350 */     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,  VPst,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     B,     B,
-  /* 11360 */     B,     B,  VPst,  VPst,    WJ,    WJ, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,    WJ,    WJ,    WJ,
-  /* 11370 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,    WJ,    WJ,    WJ,
-
-#define use_offset_0x11400u 5496
-
-
-  /* Newa */
-
-  /* 11400 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11410 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11420 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11430 */     B,     B,     B,     B,     B,  VPst,  VPre,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,
-  /* 11440 */  VPst,  VPst,     H, VMAbv, VMAbv, VMPst, CMBlw,     B,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 11450 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,    WJ,     O, FMAbv,     B,
-  /* 11460 */    CS,    CS,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11470 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Tirhuta */
-
-  /* 11480 */     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11490 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 114A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 114B0 */  VPst,  VPre,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VPre,  VAbv,  VPre,  VPre,  VPst,  VPre, VMAbv,
-  /* 114C0 */ VMAbv, VMAbv,     H, CMBlw,     B,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 114D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x11580u 5720
-
-
-  /* Siddham */
-
-  /* 11580 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11590 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 115A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,
-  /* 115B0 */  VPre,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,    WJ,  VPre,  VPre,  VPre,  VPre, VMAbv, VMAbv, VMPst,     H,
-  /* 115C0 */ CMBlw,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 115D0 */     O,     O,     O,     O,     O,     O,     O,     O,     B,     B,     B,     B,  VBlw,  VBlw,    WJ,    WJ,
-  /* 115E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 115F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Modi */
-
-  /* 11600 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11610 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11620 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11630 */  VPst,  VPst,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VPst,  VPst, VMAbv, VMPst,     H,
-  /* 11640 */  VAbv,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11650 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11660 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,
-  /* 11670 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Takri */
-
-  /* 11680 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11690 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 116A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv, VMPst,  VAbv,  VPre,  VPst,
-  /* 116B0 */  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,     H, CMBlw,     B,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 116C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 116D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 116E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 116F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Ahom */
-
-  /* 11700 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11710 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,  MBlw,  MPre,  MAbv,
-  /* 11720 */  VPst,  VPst,  VAbv,  VAbv,  VBlw,  VBlw,  VPre,  VAbv,  VBlw,  VAbv,  VAbv,  VAbv,    WJ,    WJ,    WJ,    WJ,
-  /* 11730 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     O,     O,     O,
-  /* 11740 */     B,     B,     B,     B,     B,     B,     B,    WJ,
-
-#define use_offset_0x11800u 6176
-
-
-  /* Dogra */
-
-  /* 11800 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11810 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11820 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPre,  VPst,  VBlw,
-  /* 11830 */  VBlw,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv, VMAbv, VMPst,     H, CMBlw,     O,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x11900u 6240
-
-
-  /* Dives Akuru */
-
-  /* 11900 */     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     B,    WJ,    WJ,     B,     B,     B,     B,
-  /* 11910 */     B,     B,     B,     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11920 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11930 */  VPst,  VPst,  VPst,  VPst,  VPst,  VPre,    WJ,  VPre,  VPre,    WJ,    WJ, VMAbv, VMAbv,  VPst,    IS,     R,
-  /* 11940 */  MPst,     R,  MPst, CMBlw,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11950 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x119a0u 6336
-
-
-  /* Nandinagari */
-
-  /* 119A0 */     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 119B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 119C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 119D0 */     B,  VPst,  VPre,  VPst,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,    WJ,  VAbv,  VAbv,  VPst,  VPst, VMPst, VMPst,
-  /* 119E0 */     H,     B,     O,     O,  VPre,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 119F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Zanabazar Square */
-
-  /* 11A00 */     B,  VAbv,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,     B,     B,     B,     B,     B,
-  /* 11A10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11A20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11A30 */     B,     B,     B, FMBlw,  VBlw, VMAbv, VMAbv, VMAbv, VMAbv, VMPst,     R,  MBlw,  MBlw,  MBlw,  MBlw,    GB,
-  /* 11A40 */     O,     O,     O,     O,     O,    GB,     O,    IS,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Soyombo */
-
-  /* 11A50 */     B,  VAbv,  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VPst,  VPst,  VBlw,  VBlw,  VBlw,     B,     B,     B,     B,
-  /* 11A60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11A70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11A80 */     B,     B,     B,     B,     R,     R,     R,     R,     R,     R,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,
-  /* 11A90 */  FBlw,  FBlw,  FBlw,  FBlw,  FBlw,  FBlw, VMAbv, VMPst, CMAbv,    IS,     O,     O,     O,     B,     O,     O,
-
-#define use_offset_0x11c00u 6592
-
-
-  /* Bhaiksuki */
-
-  /* 11C00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 11C10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11C20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,
-  /* 11C30 */  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,  VAbv,  VAbv,  VAbv,  VAbv, VMAbv, VMAbv, VMPst,     H,
-  /* 11C40 */     B,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11C50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11C60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,
-
-  /* Marchen */
-
-  /* 11C70 */     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11C80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11C90 */    WJ,    WJ,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
-  /* 11CA0 */   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,    WJ,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,   SUB,
-  /* 11CB0 */  VBlw,  VPre,  VBlw,  VAbv,  VPst, VMAbv, VMAbv,    WJ,
-
-#define use_offset_0x11d00u 6776
-
-
-  /* Masaram Gondi */
-
-  /* 11D00 */     B,     B,     B,     B,     B,     B,     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,
-  /* 11D10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11D20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11D30 */     B,  VAbv,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,    WJ,    WJ,    WJ,  VAbv,    WJ,  VAbv,  VAbv,    WJ,  VAbv,
-  /* 11D40 */ VMAbv, VMAbv, CMBlw,  VAbv,  VBlw,    IS,     R,  MBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11D50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Gunjala Gondi */
-
-  /* 11D60 */     B,     B,     B,     B,     B,     B,    WJ,     B,     B,    WJ,     B,     B,     B,     B,     B,     B,
-  /* 11D70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11D80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,  VPst,  VPst,  VPst,  VPst,  VPst,    WJ,
-  /* 11D90 */  VAbv,  VAbv,    WJ,  VPst,  VPst, VMAbv, VMPst,    IS,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 11DA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x11ee0u 6952
-
-
-  /* Makasar */
-
-  /* 11EE0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 11EF0 */     B,     B,    GB,  VAbv,  VBlw,  VPre,  VPst,     O,
-
-#define use_offset_0x13000u 6976
-
-
-  /* Egyptian Hieroglyphs */
-
-  /* 13000 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13010 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13020 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13030 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13040 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13050 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13060 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13070 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13080 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13090 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 130F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13100 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13110 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13120 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13130 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13140 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13150 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13160 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13170 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13180 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13190 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 131F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13200 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13210 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13220 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13230 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13240 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13250 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13260 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13270 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13280 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13290 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 132F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13300 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13310 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13320 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13330 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13340 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13350 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13360 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13370 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13380 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13390 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133B0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 133F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13400 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13410 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 13420 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,
-
-  /* Egyptian Hieroglyph Format Controls */
-
-  /* 13430 */     H,     H,     H,     H,     H,     H,     H,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-#define use_offset_0x16ac0u 8064
-
-
-  /* Tangsa */
-
-  /* 16AC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 16AD0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,
-  /* 16AE0 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    WJ,    WJ,
-  /* 16AF0 */     O,     O,     O,     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Pahawh Hmong */
-
-  /* 16B00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16B10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16B20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16B30 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,
-
-#define use_offset_0x16f00u 8184
-
-
-  /* Miao */
-
-  /* 16F00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16F10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16F20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16F30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 16F40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ, CMBlw,
-  /* 16F50 */     O,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,
-  /* 16F60 */  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,
-  /* 16F70 */  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,
-  /* 16F80 */  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,  VBlw,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ, VMBlw,
-  /* 16F90 */ VMBlw, VMBlw, VMBlw,     O,     O,     O,     O,     O,
-
-#define use_offset_0x16fe0u 8336
-
-
-  /* Ideographic Symbols and Punctuation */
-
-  /* 16FE0 */     O,     O,     O,     O,     B,    WJ,    WJ,    WJ,
-
-#define use_offset_0x18b00u 8344
-
-
-  /* Khitan Small Script */
-
-  /* 18B00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18B90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BB0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BD0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BE0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18BF0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18C90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18CA0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18CB0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18CC0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 18CD0 */     B,     B,     B,     B,     B,     B,    WJ,    WJ,
-
-#define use_offset_0x1bc00u 8816
-
-
-  /* Duployan */
-
-  /* 1BC00 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC10 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC20 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC30 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC40 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC50 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1BC60 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 1BC70 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,
-  /* 1BC80 */     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* 1BC90 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,     O, CMBlw, CMBlw,     O,
-
-#define use_offset_0x1d170u 8976
-
-
-  /* Musical Symbols */
-
-  /* 1D170 */     O,     O,     O,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,     O,     O,     O,     O,     O,
-
-#define use_offset_0x1e100u 8992
-
-
-  /* Nyiakeng Puachue Hmong */
-
-  /* 1E100 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E110 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E120 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,
-  /* 1E130 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,
-  /* 1E140 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,     B,     B,
-
-#define use_offset_0x1e290u 9072
-
-
-  /* Toto */
-
-  /* 1E290 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E2A0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv,    WJ,
-  /* 1E2B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Wancho */
-
-  /* 1E2C0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E2D0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E2E0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B, VMAbv, VMAbv, VMAbv, VMAbv,
-  /* 1E2F0 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,    WJ,     O,
-
-#define use_offset_0x1e900u 9184
-
-
-  /* Adlam */
-
-  /* 1E900 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E910 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E920 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E930 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
-  /* 1E940 */     B,     B,     B,     B, CMAbv, CMAbv, CMAbv, CMAbv, CMAbv, CMAbv, CMAbv,     B,    WJ,    WJ,    WJ,    WJ,
-  /* 1E950 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,    WJ,    WJ,    WJ,    WJ,     O,     O,
-
-#define use_offset_0xe0000u 9280
-
-
-  /* Tags */
-
-  /* E0000 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0010 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0020 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0030 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0040 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0050 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0060 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0070 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* No_Block */
-
-  /* E0080 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0090 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E00F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-  /* Variation Selectors Supplement */
-
-  /* E0100 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0110 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0120 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0130 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0140 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0150 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0160 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0170 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0180 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E0190 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E01A0 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E01B0 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E01C0 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E01D0 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-  /* E01E0 */   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,   CGJ,
-
-  /* No_Block */
-
-  /* E01F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0200 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0210 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0220 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0230 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0240 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0250 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0260 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0270 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0280 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0290 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E02F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0300 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0310 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0320 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0330 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0340 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0350 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0360 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0370 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0380 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0390 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E03F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0400 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0410 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0420 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0430 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0440 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0450 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0460 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0470 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0480 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0490 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E04F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0500 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0510 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0520 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0530 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0540 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0550 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0560 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0570 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0580 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0590 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E05F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0600 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0610 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0620 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0630 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0640 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0650 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0660 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0670 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0680 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0690 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E06F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0700 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0710 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0720 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0730 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0740 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0750 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0760 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0770 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0780 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0790 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E07F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0800 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0810 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0820 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0830 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0840 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0850 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0860 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0870 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0880 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0890 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E08F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0900 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0910 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0920 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0930 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0940 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0950 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0960 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0970 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0980 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0990 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09A0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09B0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09C0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09D0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09E0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E09F0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0A90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0AF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0B90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0BF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0C90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0CF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0D90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0DF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0E90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0EA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0EB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0EC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0ED0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0EE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0EF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F00 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F10 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F20 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F30 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F40 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F50 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F60 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F70 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F80 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0F90 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FA0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FB0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FC0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FD0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FE0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-  /* E0FF0 */    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,    WJ,
-
-}; /* Table items: 13376; occupancy: 84% */
-
-static inline uint8_t
-hb_use_get_category (hb_glyph_info_t info)
-{
-  hb_codepoint_t u = info.codepoint;
-  switch (u >> 12)
-  {
-    case 0x0u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return use_table[u - 0x0028u + use_offset_0x0028u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x00A0u, 0x00D7u)) return use_table[u - 0x00A0u + use_offset_0x00a0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0348u, 0x034Fu)) return use_table[u - 0x0348u + use_offset_0x0348u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0640u, 0x0647u)) return use_table[u - 0x0640u + use_offset_0x0640u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x07C8u, 0x07FFu)) return use_table[u - 0x07C8u + use_offset_0x07c8u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0840u, 0x085Fu)) return use_table[u - 0x0840u + use_offset_0x0840u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0DF7u)) return use_table[u - 0x0900u + use_offset_0x0900u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x0F00u, 0x0FC7u)) return use_table[u - 0x0F00u + use_offset_0x0f00u];
-      break;
-
-    case 0x1u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x1000u, 0x109Fu)) return use_table[u - 0x1000u + use_offset_0x1000u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1700u, 0x18AFu)) return use_table[u - 0x1700u + use_offset_0x1700u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1900u, 0x1A9Fu)) return use_table[u - 0x1900u + use_offset_0x1900u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1B00u, 0x1C4Fu)) return use_table[u - 0x1B00u + use_offset_0x1b00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1CD0u, 0x1CFFu)) return use_table[u - 0x1CD0u + use_offset_0x1cd0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1DF8u, 0x1DFFu)) return use_table[u - 0x1DF8u + use_offset_0x1df8u];
-      break;
-
-    case 0x2u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2087u)) return use_table[u - 0x2008u + use_offset_0x2008u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x20F0u, 0x20F7u)) return use_table[u - 0x20F0u + use_offset_0x20f0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x25C8u, 0x25CFu)) return use_table[u - 0x25C8u + use_offset_0x25c8u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x2D30u, 0x2D7Fu)) return use_table[u - 0x2D30u + use_offset_0x2d30u];
-      break;
-
-    case 0xAu:
-      if (hb_in_range<hb_codepoint_t> (u, 0xA800u, 0xAAF7u)) return use_table[u - 0xA800u + use_offset_0xa800u];
-      if (hb_in_range<hb_codepoint_t> (u, 0xABC0u, 0xABFFu)) return use_table[u - 0xABC0u + use_offset_0xabc0u];
-      break;
-
-    case 0xFu:
-      if (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)) return use_table[u - 0xFE00u + use_offset_0xfe00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0xFEF8u, 0xFEFFu)) return use_table[u - 0xFEF8u + use_offset_0xfef8u];
-      if (hb_in_range<hb_codepoint_t> (u, 0xFFF0u, 0xFFFFu)) return use_table[u - 0xFFF0u + use_offset_0xfff0u];
-      break;
-
-    case 0x10u:
-      if (hb_in_range<hb_codepoint_t> (u, 0xFFF0u, 0xFFFFu)) return use_table[u - 0xFFF0u + use_offset_0xfff0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10570u, 0x105BFu)) return use_table[u - 0x10570u + use_offset_0x10570u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10A00u, 0x10A4Fu)) return use_table[u - 0x10A00u + use_offset_0x10a00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10AC0u, 0x10AEFu)) return use_table[u - 0x10AC0u + use_offset_0x10ac0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10B80u, 0x10BAFu)) return use_table[u - 0x10B80u + use_offset_0x10b80u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10D00u, 0x10D3Fu)) return use_table[u - 0x10D00u + use_offset_0x10d00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10E80u, 0x10EB7u)) return use_table[u - 0x10E80u + use_offset_0x10e80u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x10F30u, 0x110C7u)) return use_table[u - 0x10F30u + use_offset_0x10f30u];
-      break;
-
-    case 0x11u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x10F30u, 0x110C7u)) return use_table[u - 0x10F30u + use_offset_0x10f30u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11100u, 0x1123Fu)) return use_table[u - 0x11100u + use_offset_0x11100u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11280u, 0x11377u)) return use_table[u - 0x11280u + use_offset_0x11280u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11400u, 0x114DFu)) return use_table[u - 0x11400u + use_offset_0x11400u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11580u, 0x11747u)) return use_table[u - 0x11580u + use_offset_0x11580u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11800u, 0x1183Fu)) return use_table[u - 0x11800u + use_offset_0x11800u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11900u, 0x1195Fu)) return use_table[u - 0x11900u + use_offset_0x11900u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x119A0u, 0x11A9Fu)) return use_table[u - 0x119A0u + use_offset_0x119a0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11C00u, 0x11CB7u)) return use_table[u - 0x11C00u + use_offset_0x11c00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11D00u, 0x11DAFu)) return use_table[u - 0x11D00u + use_offset_0x11d00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x11EE0u, 0x11EF7u)) return use_table[u - 0x11EE0u + use_offset_0x11ee0u];
-      break;
-
-    case 0x13u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x13000u, 0x1343Fu)) return use_table[u - 0x13000u + use_offset_0x13000u];
-      break;
-
-    case 0x16u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x16AC0u, 0x16B37u)) return use_table[u - 0x16AC0u + use_offset_0x16ac0u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x16F00u, 0x16F97u)) return use_table[u - 0x16F00u + use_offset_0x16f00u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x16FE0u, 0x16FE7u)) return use_table[u - 0x16FE0u + use_offset_0x16fe0u];
-      break;
-
-    case 0x18u:
-      if (hb_in_range<hb_codepoint_t> (u, 0x18B00u, 0x18CD7u)) return use_table[u - 0x18B00u + use_offset_0x18b00u];
-      break;
-
-    case 0x1Bu:
-      if (hb_in_range<hb_codepoint_t> (u, 0x1BC00u, 0x1BC9Fu)) return use_table[u - 0x1BC00u + use_offset_0x1bc00u];
-      break;
-
-    case 0x1Du:
-      if (hb_in_range<hb_codepoint_t> (u, 0x1D170u, 0x1D17Fu)) return use_table[u - 0x1D170u + use_offset_0x1d170u];
-      break;
-
-    case 0x1Eu:
-      if (hb_in_range<hb_codepoint_t> (u, 0x1E100u, 0x1E14Fu)) return use_table[u - 0x1E100u + use_offset_0x1e100u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1E290u, 0x1E2FFu)) return use_table[u - 0x1E290u + use_offset_0x1e290u];
-      if (hb_in_range<hb_codepoint_t> (u, 0x1E900u, 0x1E95Fu)) return use_table[u - 0x1E900u + use_offset_0x1e900u];
-      break;
-
-    case 0xE0u:
-      if (hb_in_range<hb_codepoint_t> (u, 0xE0000u, 0xE0FFFu)) return use_table[u - 0xE0000u + use_offset_0xe0000u];
-      break;
-
-    case 0xE1u:
-      if (hb_in_range<hb_codepoint_t> (u, 0xE0000u, 0xE0FFFu)) return use_table[u - 0xE0000u + use_offset_0xe0000u];
-      break;
-
-    default:
-      break;
-  }
-  if (_hb_glyph_info_get_general_category (&info) == HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED)
-    return WJ;
-  return O;
-}
-
-#undef B
-#undef CGJ
-#undef CS
-#undef G
-#undef GB
-#undef H
-#undef HN
-#undef IS
-#undef J
-#undef N
-#undef O
-#undef R
-#undef SB
-#undef SE
-#undef SUB
-#undef Sk
-#undef WJ
-#undef ZWNJ
-#undef CMAbv
-#undef CMBlw
-#undef FAbv
-#undef FBlw
-#undef FPst
-#undef FMAbv
-#undef FMBlw
-#undef FMPst
-#undef MAbv
-#undef MBlw
-#undef MPst
-#undef MPre
-#undef SMAbv
-#undef SMBlw
-#undef VAbv
-#undef VBlw
-#undef VPst
-#undef VPre
-#undef VMAbv
-#undef VMBlw
-#undef VMPst
-#undef VMPre
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_USE_TABLE_HH */
-/* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-normalize.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-normalize.cc
index aa5a8eeaa3..897377aa15 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-normalize.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-normalize.cc
@@ -29,7 +29,7 @@
 #ifndef HB_NO_OT_SHAPE
 
 #include "hb-ot-shape-normalize.hh"
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 #include "hb-ot-shape.hh"
 
 
@@ -69,7 +69,7 @@
  *   - When a font does not support a character but supports its canonical
  *     decomposition, well, use the decomposition.
  *
- *   - The complex shapers can customize the compose and decompose functions to
+ *   - The shapers can customize the compose and decompose functions to
  *     offload some of their requirements to the normalizer.  For example, the
  *     Indic shaper may want to disallow recomposing of two matras.
  */
@@ -143,8 +143,7 @@ decompose (const hb_ot_shape_normalize_context_t *c, bool shortest, hb_codepoint
     return 1;
   }
 
-  unsigned int ret;
-  if ((ret = decompose (c, shortest, a))) {
+  if (unsigned ret = decompose (c, shortest, a)) {
     if (b) {
       output_char (buffer, b, b_glyph);
       return ret + 1;
@@ -223,7 +222,7 @@ handle_variation_selector_cluster (const hb_ot_shape_normalize_context_t *c,
 				   unsigned int end,
 				   bool short_circuit HB_UNUSED)
 {
-  /* TODO Currently if there's a variation-selector we give-up, it's just too hard. */
+  /* Currently if there's a variation-selector we give-up on normalization, it's just too hard. */
   hb_buffer_t * const buffer = c->buffer;
   hb_font_t * const font = c->font;
   for (; buffer->idx < end - 1 && buffer->successful;) {
@@ -342,7 +341,7 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
     {
       unsigned int end;
       for (end = buffer->idx + 1; end < count; end++)
-	if (unlikely (_hb_glyph_info_is_unicode_mark (&buffer->info[end])))
+	if (_hb_glyph_info_is_unicode_mark (&buffer->info[end]))
 	  break;
 
       if (end < count)
@@ -395,7 +394,7 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan,
 	  break;
 
       /* We are going to do a O(n^2).  Only do this if the sequence is short. */
-      if (end - i > HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS) {
+      if (end - i > HB_OT_SHAPE_MAX_COMBINING_MARKS) {
 	i = end;
 	continue;
       }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.cc
index 99aadab3f0..bbdfc214a1 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.cc
@@ -37,7 +37,7 @@
 #include "hb-shaper-impl.hh"
 
 #include "hb-ot-shape.hh"
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 #include "hb-ot-shape-fallback.hh"
 #include "hb-ot-shape-normalize.hh"
 
@@ -53,11 +53,11 @@ _hb_codepoint_is_regional_indicator (hb_codepoint_t u)
 
 #ifndef HB_NO_AAT_SHAPE
 static inline bool
-_hb_apply_morx (hb_face_t *face, const hb_segment_properties_t *props)
+_hb_apply_morx (hb_face_t *face, const hb_segment_properties_t &props)
 {
   /* https://github.com/harfbuzz/harfbuzz/issues/2124 */
   return hb_aat_layout_has_substitution (face) &&
-	 (HB_DIRECTION_IS_HORIZONTAL (props->direction) || !hb_ot_layout_has_substitution (face));
+	 (HB_DIRECTION_IS_HORIZONTAL (props.direction) || !hb_ot_layout_has_substitution (face));
 }
 #endif
 
@@ -77,23 +77,25 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t          *planner,
 			      unsigned int                    num_user_features);
 
 hb_ot_shape_planner_t::hb_ot_shape_planner_t (hb_face_t                     *face,
-					      const hb_segment_properties_t *props) :
+					      const hb_segment_properties_t &props) :
 						face (face),
-						props (*props),
+						props (props),
 						map (face, props),
 						aat_map (face, props)
 #ifndef HB_NO_AAT_SHAPE
 						, apply_morx (_hb_apply_morx (face, props))
 #endif
 {
-  shaper = hb_ot_shape_complex_categorize (this);
+  shaper = hb_ot_shaper_categorize (this);
 
   script_zero_marks = shaper->zero_width_marks != HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE;
   script_fallback_mark_positioning = shaper->fallback_position;
 
+#ifndef HB_NO_AAT_SHAPE
   /* https://github.com/harfbuzz/harfbuzz/issues/1528 */
-  if (apply_morx && shaper != &_hb_ot_complex_shaper_default)
-    shaper = &_hb_ot_complex_shaper_dumber;
+  if (apply_morx && shaper != &_hb_ot_shaper_default)
+    shaper = &_hb_ot_shaper_dumber;
+#endif
 }
 
 void
@@ -225,7 +227,7 @@ hb_ot_shape_plan_t::init0 (hb_face_t                     *face,
 #endif
 
   hb_ot_shape_planner_t planner (face,
-				 &key->props);
+				 key->props);
 
   hb_ot_shape_collect_features (&planner,
 				key->user_features,
@@ -527,18 +529,20 @@ hb_set_unicode_props (hb_buffer_t *buffer)
     }
 #endif
     /* Or part of the Other_Grapheme_Extend that is not marks.
-     * As of Unicode 11 that is just:
+     * As of Unicode 15 that is just:
      *
      * 200C          ; Other_Grapheme_Extend # Cf       ZERO WIDTH NON-JOINER
      * FF9E..FF9F    ; Other_Grapheme_Extend # Lm   [2] HALFWIDTH KATAKANA VOICED SOUND MARK..HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK
      * E0020..E007F  ; Other_Grapheme_Extend # Cf  [96] TAG SPACE..CANCEL TAG
      *
      * ZWNJ is special, we don't want to merge it as there's no need, and keeping
-     * it separate results in more granular clusters.  Ignore Katakana for now.
+     * it separate results in more granular clusters.
      * Tags are used for Emoji sub-region flag sequences:
      * https://github.com/harfbuzz/harfbuzz/issues/1556
+     * Katakana ones were requested:
+     * https://github.com/harfbuzz/harfbuzz/issues/3844
      */
-    else if (unlikely (hb_in_range<hb_codepoint_t> (info[i].codepoint, 0xE0020u, 0xE007Fu)))
+    else if (unlikely (hb_in_ranges<hb_codepoint_t> (info[i].codepoint, 0xFF9Eu, 0xFF9Fu, 0xE0020u, 0xE007Fu)))
       _hb_glyph_info_set_continuation (&info[i]);
   }
 }
@@ -862,7 +866,7 @@ hb_ot_hide_default_ignorables (hb_buffer_t *buffer,
     }
   }
   else
-    hb_ot_layout_delete_glyphs_inplace (buffer, _hb_glyph_info_is_default_ignorable);
+    buffer->delete_glyphs_inplace (_hb_glyph_info_is_default_ignorable);
 }
 
 
@@ -927,7 +931,7 @@ hb_ot_substitute_default (const hb_ot_shape_context_t *c)
 }
 
 static inline void
-hb_ot_substitute_complex (const hb_ot_shape_context_t *c)
+hb_ot_substitute_plan (const hb_ot_shape_context_t *c)
 {
   hb_buffer_t *buffer = c->buffer;
 
@@ -946,7 +950,7 @@ hb_ot_substitute_pre (const hb_ot_shape_context_t *c)
 
   _hb_buffer_allocate_gsubgpos_vars (c->buffer);
 
-  hb_ot_substitute_complex (c);
+  hb_ot_substitute_plan (c);
 
 #ifndef HB_NO_AAT_SHAPE
   if (c->plan->apply_morx && c->plan->apply_gpos)
@@ -1039,7 +1043,7 @@ hb_ot_position_default (const hb_ot_shape_context_t *c)
 }
 
 static inline void
-hb_ot_position_complex (const hb_ot_shape_context_t *c)
+hb_ot_position_plan (const hb_ot_shape_context_t *c)
 {
   unsigned int count = c->buffer->len;
   hb_glyph_info_t *info = c->buffer->info;
@@ -1124,7 +1128,7 @@ hb_ot_position (const hb_ot_shape_context_t *c)
 
   hb_ot_position_default (c);
 
-  hb_ot_position_complex (c);
+  hb_ot_position_plan (c);
 
   if (HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction))
     hb_buffer_reverse (c->buffer);
@@ -1141,6 +1145,18 @@ hb_propagate_flags (hb_buffer_t *buffer)
   if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_GLYPH_FLAGS))
     return;
 
+  /* If we are producing SAFE_TO_INSERT_TATWEEL, then do two things:
+   *
+   * - If the places that the Arabic shaper marked as SAFE_TO_INSERT_TATWEEL,
+   *   are UNSAFE_TO_BREAK, then clear the SAFE_TO_INSERT_TATWEEL,
+   * - Any place that is SAFE_TO_INSERT_TATWEEL, is also now UNSAFE_TO_BREAK.
+   *
+   * We couldn't make this interaction earlier. It has to be done here.
+   */
+  bool flip_tatweel = buffer->flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL;
+
+  bool clear_concat = (buffer->flags & HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT) == 0;
+
   hb_glyph_info_t *info = buffer->info;
 
   foreach_cluster (buffer, start, end)
@@ -1148,9 +1164,20 @@ hb_propagate_flags (hb_buffer_t *buffer)
     unsigned int mask = 0;
     for (unsigned int i = start; i < end; i++)
       mask |= info[i].mask & HB_GLYPH_FLAG_DEFINED;
-    if (mask)
-      for (unsigned int i = start; i < end; i++)
-	info[i].mask |= mask;
+
+    if (flip_tatweel)
+    {
+      if (mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
+	mask &= ~HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL;
+      if (mask & HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL)
+	mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT;
+    }
+
+    if (clear_concat)
+	mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_CONCAT;
+
+    for (unsigned int i = start; i < end; i++)
+      info[i].mask = mask;
   }
 }
 
@@ -1159,8 +1186,6 @@ hb_propagate_flags (hb_buffer_t *buffer)
 static void
 hb_ot_shape_internal (hb_ot_shape_context_t *c)
 {
-  c->buffer->enter ();
-
   /* Save the original direction, we use it later. */
   c->target_direction = c->buffer->props.direction;
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.hh
index e8c81015c7..ace28602f6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape.hh
@@ -51,7 +51,7 @@ struct hb_ot_shape_plan_key_t
 
   bool equal (const hb_ot_shape_plan_key_t *other)
   {
-    return 0 == memcmp (this, other, sizeof (*this));
+    return 0 == hb_memcmp (this, other, sizeof (*this));
   }
 };
 
@@ -60,8 +60,10 @@ struct hb_shape_plan_key_t;
 
 struct hb_ot_shape_plan_t
 {
+  ~hb_ot_shape_plan_t () { fini (); }
+
   hb_segment_properties_t props;
-  const struct hb_ot_complex_shaper_t *shaper;
+  const struct hb_ot_shaper_t *shaper;
   hb_ot_map_t map;
   hb_aat_map_t aat_map;
   const void *data;
@@ -158,10 +160,10 @@ struct hb_ot_shape_planner_t
 #endif
   bool script_zero_marks : 1;
   bool script_fallback_mark_positioning : 1;
-  const struct hb_ot_complex_shaper_t *shaper;
+  const struct hb_ot_shaper_t *shaper;
 
   HB_INTERNAL hb_ot_shape_planner_t (hb_face_t                     *face,
-				     const hb_segment_properties_t *props);
+				     const hb_segment_properties_t &props);
 
   HB_INTERNAL void compile (hb_ot_shape_plan_t           &plan,
 			    const hb_ot_shape_plan_key_t &key);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-fallback.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-fallback.hh
index 78f46c1cac..b9f92f72d6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-fallback.hh
@@ -24,8 +24,8 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH
-#define HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH
+#ifndef HB_OT_SHAPER_ARABIC_FALLBACK_HH
+#define HB_OT_SHAPER_ARABIC_FALLBACK_HH
 
 #include "hb.hh"
 
@@ -34,7 +34,11 @@
 
 
 /* Features ordered the same as the entries in shaping_table rows,
- * followed by rlig.  Don't change. */
+ * followed by rlig.  Don't change.
+ *
+ * We currently support one subtable per lookup, and one lookup
+ * per feature.  But we allow duplicate features, so we use that!
+ */
 static const hb_tag_t arabic_fallback_features[] =
 {
   HB_TAG('i','n','i','t'),
@@ -42,6 +46,8 @@ static const hb_tag_t arabic_fallback_features[] =
   HB_TAG('f','i','n','a'),
   HB_TAG('i','s','o','l'),
   HB_TAG('r','l','i','g'),
+  HB_TAG('r','l','i','g'),
+  HB_TAG('r','l','i','g'),
 };
 
 static OT::SubstLookup *
@@ -95,20 +101,25 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
   return ret && !c.in_error () ? c.copy<OT::SubstLookup> () : nullptr;
 }
 
+template <typename T>
 static OT::SubstLookup *
 arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UNUSED,
-					    hb_font_t *font)
+					    hb_font_t *font,
+					    const T &ligature_table,
+					    unsigned lookup_flags)
 {
   OT::HBGlyphID16 first_glyphs[ARRAY_LENGTH_CONST (ligature_table)];
   unsigned int first_glyphs_indirection[ARRAY_LENGTH_CONST (ligature_table)];
   unsigned int ligature_per_first_glyph_count_list[ARRAY_LENGTH_CONST (first_glyphs)];
   unsigned int num_first_glyphs = 0;
 
-  /* We know that all our ligatures are 2-component */
+  /* We know that all our ligatures have the same number of components. */
   OT::HBGlyphID16 ligature_list[ARRAY_LENGTH_CONST (first_glyphs) * ARRAY_LENGTH_CONST(ligature_table[0].ligatures)];
   unsigned int component_count_list[ARRAY_LENGTH_CONST (ligature_list)];
-  OT::HBGlyphID16 component_list[ARRAY_LENGTH_CONST (ligature_list) * 1/* One extra component per ligature */];
+  OT::HBGlyphID16 component_list[ARRAY_LENGTH_CONST (ligature_list) *
+				 ARRAY_LENGTH_CONST (ligature_table[0].ligatures[0].components)];
   unsigned int num_ligatures = 0;
+  unsigned int num_components = 0;
 
   /* Populate arrays */
 
@@ -133,21 +144,32 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
   {
     unsigned int first_glyph_idx = first_glyphs_indirection[i];
 
-    for (unsigned int second_glyph_idx = 0; second_glyph_idx < ARRAY_LENGTH (ligature_table[0].ligatures); second_glyph_idx++)
+    for (unsigned int ligature_idx = 0; ligature_idx < ARRAY_LENGTH (ligature_table[0].ligatures); ligature_idx++)
     {
-      hb_codepoint_t second_u   = ligature_table[first_glyph_idx].ligatures[second_glyph_idx].second;
-      hb_codepoint_t ligature_u = ligature_table[first_glyph_idx].ligatures[second_glyph_idx].ligature;
-      hb_codepoint_t second_glyph, ligature_glyph;
-      if (!second_u ||
-	  !hb_font_get_glyph (font, second_u,   0, &second_glyph) ||
-	  !hb_font_get_glyph (font, ligature_u, 0, &ligature_glyph))
+      hb_codepoint_t ligature_u = ligature_table[first_glyph_idx].ligatures[ligature_idx].ligature;
+      hb_codepoint_t ligature_glyph;
+      if (!hb_font_get_glyph (font, ligature_u, 0, &ligature_glyph))
 	continue;
 
-      ligature_per_first_glyph_count_list[i]++;
+      const auto &components = ligature_table[first_glyph_idx].ligatures[ligature_idx].components;
+      unsigned component_count = ARRAY_LENGTH_CONST (components);
+
+      for (unsigned i = 0; i < component_count; i++)
+      {
+	hb_codepoint_t component_u   = ligature_table[first_glyph_idx].ligatures[ligature_idx].components[i];
+	hb_codepoint_t component_glyph;
+	if (!component_u ||
+	    !hb_font_get_glyph (font, component_u,   0, &component_glyph))
+	  continue;
 
+	component_list[num_components++] = component_glyph;
+      }
+
+      component_count_list[num_ligatures] = 1 + component_count;
       ligature_list[num_ligatures] = ligature_glyph;
-      component_count_list[num_ligatures] = 2;
-      component_list[num_ligatures] = second_glyph;
+
+      ligature_per_first_glyph_count_list[i]++;
+
       num_ligatures++;
     }
   }
@@ -161,14 +183,13 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
   hb_serialize_context_t c (buf, sizeof (buf));
   OT::SubstLookup *lookup = c.start_serialize<OT::SubstLookup> ();
   bool ret = lookup->serialize_ligature (&c,
-					 OT::LookupFlag::IgnoreMarks,
+					 lookup_flags,
 					 hb_sorted_array (first_glyphs, num_first_glyphs),
 					 hb_array (ligature_per_first_glyph_count_list, num_first_glyphs),
 					 hb_array (ligature_list, num_ligatures),
 					 hb_array (component_count_list, num_ligatures),
-					 hb_array (component_list, num_ligatures));
+					 hb_array (component_list, num_components));
   c.end_serialize ();
-  /* TODO sanitize the results? */
 
   return ret && !c.in_error () ? c.copy<OT::SubstLookup> () : nullptr;
 }
@@ -181,10 +202,18 @@ arabic_fallback_synthesize_lookup (const hb_ot_shape_plan_t *plan,
   if (feature_index < 4)
     return arabic_fallback_synthesize_lookup_single (plan, font, feature_index);
   else
-    return arabic_fallback_synthesize_lookup_ligature (plan, font);
+  {
+    switch (feature_index) {
+      case 4: return arabic_fallback_synthesize_lookup_ligature (plan, font, ligature_3_table, OT::LookupFlag::IgnoreMarks);
+      case 5: return arabic_fallback_synthesize_lookup_ligature (plan, font, ligature_table, OT::LookupFlag::IgnoreMarks);
+      case 6: return arabic_fallback_synthesize_lookup_ligature (plan, font, ligature_mark_table, 0);
+    }
+  }
+  assert (false);
+  return nullptr;
 }
 
-#define ARABIC_FALLBACK_MAX_LOOKUPS 5
+#define ARABIC_FALLBACK_MAX_LOOKUPS ARRAY_LENGTH_CONST (arabic_fallback_features)
 
 struct arabic_fallback_plan_t
 {
@@ -201,7 +230,7 @@ struct arabic_fallback_plan_t
 #endif
 
 #ifdef HB_WITH_WIN1256
-#include "hb-ot-shape-complex-arabic-win1256.hh"
+#include "hb-ot-shaper-arabic-win1256.hh"
 #endif
 
 struct ManifestLookup
@@ -230,9 +259,8 @@ arabic_fallback_plan_init_win1256 (arabic_fallback_plan_t *fallback_plan HB_UNUS
     return false;
 
   const Manifest &manifest = reinterpret_cast<const Manifest&> (arabic_win1256_gsub_lookups.manifest);
-  static_assert (sizeof (arabic_win1256_gsub_lookups.manifestData) ==
+  static_assert (sizeof (arabic_win1256_gsub_lookups.manifestData) <=
 		 ARABIC_FALLBACK_MAX_LOOKUPS * sizeof (ManifestLookup), "");
-  /* TODO sanitize the table? */
 
   unsigned j = 0;
   unsigned int count = manifest.len;
@@ -264,7 +292,7 @@ arabic_fallback_plan_init_unicode (arabic_fallback_plan_t *fallback_plan,
 				   const hb_ot_shape_plan_t *plan,
 				   hb_font_t *font)
 {
-  static_assert ((ARRAY_LENGTH_CONST(arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS), "");
+  static_assert ((ARRAY_LENGTH_CONST (arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS), "");
   unsigned int j = 0;
   for (unsigned int i = 0; i < ARRAY_LENGTH(arabic_fallback_features) ; i++)
   {
@@ -345,4 +373,4 @@ arabic_fallback_plan_shape (arabic_fallback_plan_t *fallback_plan,
 }
 
 
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH */
+#endif /* HB_OT_SHAPER_ARABIC_FALLBACK_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-joining-list.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-joining-list.hh
index e6339ee72b..c7b57820af 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-joining-list.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-joining-list.hh
@@ -6,14 +6,14 @@
  *
  * on files with these headers:
  *
- * # ArabicShaping-14.0.0.txt
- * # Date: 2021-05-21, 01:54:00 GMT [KW, RP]
- * # Scripts-14.0.0.txt
- * # Date: 2021-07-10, 00:35:31 GMT
+ * # ArabicShaping-15.0.0.txt
+ * # Date: 2022-02-14, 18:50:00 GMT [KW, RP]
+ * # Scripts-15.0.0.txt
+ * # Date: 2022-04-26, 23:15:02 GMT
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH
-#define HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH
+#ifndef HB_OT_SHAPER_ARABIC_JOINING_LIST_HH
+#define HB_OT_SHAPER_ARABIC_JOINING_LIST_HH
 
 static bool
 has_arabic_joining (hb_script_t script)
@@ -42,6 +42,6 @@ has_arabic_joining (hb_script_t script)
 }
 
 
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH */
+#endif /* HB_OT_SHAPER_ARABIC_JOINING_LIST_HH */
 
 /* == End of generated function == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-pua.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-pua.hh
new file mode 100644
index 0000000000..ba86772f84
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-pua.hh
@@ -0,0 +1,118 @@
+/* == Start of generated table == */
+/*
+ * The following table is generated by running:
+ *
+ *   ./gen-arabic-pua.py
+ *
+ */
+
+#ifndef HB_OT_SHAPER_ARABIC_PUA_HH
+#define HB_OT_SHAPER_ARABIC_PUA_HH
+
+static const uint8_t
+_hb_arabic_u8[464] =
+{
+   84, 86, 85, 85, 85, 85, 85,213, 16, 34, 34, 34, 34, 34, 35, 34,
+   34, 34, 34, 34, 34, 34, 34, 34, 36, 34, 34, 34, 34, 34, 34, 34,
+   34, 34, 34, 34, 34, 34, 82, 16,  0,  0,  0,  0,  1,  2,  3,  4,
+    0,  0,  0,  5,  0,  0,  0,  0,  0,  0,  0,  0,  0,  6,  0,  7,
+    0,  0,  8,  0,  0,  0,  9,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0, 10,  0, 11, 12, 13, 14, 15,
+   16, 17, 18, 19, 20, 21,  0,  0,  0, 22,  0, 23,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0, 24, 25, 26, 27, 28, 29, 30, 31,
+   32, 33, 34, 35, 36, 37, 38, 39, 16, 34, 34, 34, 35, 34, 34, 34,
+   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+   34, 34, 34, 34, 34, 34, 34, 66, 16, 50, 68, 68, 68, 68, 68, 68,
+   68, 68, 68, 68,101, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
+   71, 68, 68, 68, 68, 68, 68, 68,152,186, 76, 77, 68,254, 16, 50,
+    0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  4,  0,  0,  5,  6,
+    0,  0,  0,  0,  0,  0,  7,  8,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9,  0,  0,  0, 10,  0,
+    0,  0,  0,  0,  0, 11,  0,  0,  0,  0,  0,  0,  0, 12,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0, 13,  0,  0, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
+   24, 25, 26, 27, 28, 23, 23, 29, 30, 31, 32, 33,  0,  0,  0,  0,
+    0,  0,  0, 34,  0,  0,  0, 35,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0, 36, 37, 38,  0,  0,  0,  0,  0,  0,  0, 39,  0,  0, 40,
+   41, 42,  0, 43, 44,  0,  0, 45, 46,  0, 47, 48, 49,  0,  0,  0,
+    0, 50,  0,  0, 51, 52,  0, 53, 54, 55, 56, 57, 58,  0,  0,  0,
+    0,  0, 59, 60, 61, 62, 63, 64,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 65,  0,  0, 66,
+    0,  0, 67,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+   68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
+   84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+};
+static const uint16_t
+_hb_arabic_u16[720] =
+{
+      0,    0,    0,    0,    0,    0,    0,    0,61728,61729,61730,    0,    0,61733,    0,    0,
+  61736,61737,61738,61739,61790,61741,61742,61743,61872,61873,61874,61875,61876,61877,61878,61879,
+  61880,61881,61754,61755,    0,61757,    0,61759,    0,    0,    0,61787,61788,61789,    0,    0,
+      0,    0,    0,61731,    0,    0,    0,    0,    0,    0,    0,61732,    0,    0,    0,    0,
+      0,    0,    0,    0,    0,    0,    0,61734,    0,    0,    0,    0,    0,    0,    0,61735,
+      0,    0,    0,    0,61740,    0,    0,    0,    0,    0,    0,61755,    0,    0,    0,61759,
+      0,61869,61765,61763,61883,61767,61882,61761,61770,61865,61772,61774,61777,61780,61783,61784,
+  61785,61786,61792,61794,61796,61798,61800,61801,61802,61806,61810,61696,61696,61696,61696,61696,
+  61791,61813,61816,61818,61820,61822,61921,61860,61861,61868,61864,61895,61896,61899,61892,61893,
+  61898,61897,61894,61696,61696,61696,61696,61696,61696,61696,61696,61696,61696,61696,61696,    0,
+  61744,61745,61746,61747,61748,61749,61750,61751,61752,61753,    0,61790,61790,    0,    0,    0,
+      0,    0,    0,    0,61708,61709,61710,61711,61756,61758,    0,    0,    0,    0,    0,    0,
+      0,61765,61766,61763,61764,61883,61883,61767,61768,61882,61871,61870,61870,61761,61762,61770,
+  61770,61769,61769,61865,61866,61772,61772,61771,61771,61774,61774,61773,61773,61777,61776,61775,
+  61775,61780,61779,61778,61778,61783,61782,61781,61781,61784,61784,61785,61785,61786,61786,61792,
+  61792,61794,61794,61793,61793,61796,61796,61795,61795,61798,61798,61797,61797,61800,61800,61799,
+  61799,61801,61801,61801,61801,61802,61802,61802,61802,61806,61805,61803,61804,61810,61809,61807,
+  61808,61813,61813,61811,61812,61816,61816,61814,61815,61818,61818,61817,61817,61820,61820,61819,
+  61819,61822,61822,61821,61821,61921,61921,61823,61823,61860,61859,61857,61858,61861,61861,61868,
+  61867,61864,61863,61862,61862,61888,61889,61886,61887,61890,61891,61885,61884,    0,    0,    0,
+      0,    0,    0,    0,61984,61985,61986,    0,    0,61989,    0,    0,61992,61993,61994,61995,
+  62046,61997,61998,61999,    0,    0,62010,62011,    0,62013,    0,62015,    0,    0,    0,62043,
+      0,62045,    0,    0,    0,    0,    0,61987,    0,    0,    0,61988,    0,    0,    0,61990,
+      0,    0,    0,61991,61996,    0,    0,    0,    0,    0,    0,62011,    0,    0,    0,62015,
+      0,62165,62021,62019,62170,62023,62169,62017,62028,62161,62032,62036,62040,62048,62052,62053,
+  62055,62057,62059,62064,62068,62072,62078,62114,62115,62122,62126,61952,61952,61952,61952,61952,
+  62047,62130,62134,62138,62142,62146,62150,62154,62155,62164,62160,62183,62184,62187,62180,62181,
+  62186,62185,62182,61952,61952,61952,61952,    0,62000,62001,62002,62003,62004,62005,62006,62007,
+  62008,62009,    0,62046,62046,    0,    0,    0,61964,61965,61966,61967,62012,62014,    0,    0,
+  61954,    0,61981,    0,    0,    0,61955,    0,61982,    0,61956,    0,    0,    0,62111,    0,
+      0,    0,    0,61970,61971,61972,61957,    0,61980,    0,    0,    0,    0,    0,61958,    0,
+  61983,    0,    0,    0,    0,    0,62191,    0,62188,62189,62192,    0,    0,    0,61973,    0,
+      0,62098,    0,    0,61974,    0,    0,62099,    0,    0,62101,    0,    0,61975,    0,    0,
+  62100,    0,    0,    0,62080,62081,62082,62102,    0,62083,62084,62085,62103,    0,    0,    0,
+  62106,    0,62107,    0,62108,    0,    0,    0,61976,    0,    0,    0,    0,62086,62087,62088,
+  62109,61978,62089,62090,62091,62110,62093,62094,    0,62104,    0,    0,    0,    0,62095,62096,
+  62097,62105,    0,    0,61977,    0,    0,    0,    0,    0,62075,62077,61968,    0,    0,    0,
+      0,62021,62022,62019,62020,62170,62171,62023,62024,62169,62168,62166,62167,62017,62018,62028,
+  62027,62025,62026,62161,62162,62032,62031,62029,62030,62036,62035,62033,62034,62040,62039,62037,
+  62038,62048,62044,62041,62042,62052,62051,62049,62050,62053,62054,62055,62056,62057,62058,62059,
+  62060,62064,62063,62061,62062,62068,62067,62065,62066,62072,62071,62069,62070,62078,62076,62073,
+  62074,62114,62113,62079,62193,62118,62117,62115,62116,62122,62121,62119,62120,62126,62125,62123,
+  62124,62130,62129,62127,62128,62134,62133,62131,62132,62138,62137,62135,62136,62142,62141,62139,
+  62140,62146,62145,62143,62144,62150,62149,62147,62148,62154,62153,62151,62152,62155,62156,62164,
+  62163,62160,62159,62157,62158,62176,62177,62174,62175,62178,62179,62172,62173,    0,    0,    0,
+};
+
+static inline unsigned
+_hb_arabic_b2 (const uint8_t* a, unsigned i)
+{
+  return (a[i>>2]>>((i&3u)<<1))&3u;
+}
+static inline unsigned
+_hb_arabic_b4 (const uint8_t* a, unsigned i)
+{
+  return (a[i>>1]>>((i&1u)<<2))&15u;
+}
+static inline uint_fast16_t
+_hb_arabic_pua_simp_map (unsigned u)
+{
+  return u<65277u?_hb_arabic_u16[((_hb_arabic_u8[40+(((_hb_arabic_b4(8+_hb_arabic_u8,((_hb_arabic_b2(_hb_arabic_u8,u>>3>>4>>4))<<4)+((u>>3>>4)&15u)))<<4)+((u>>3)&15u))])<<3)+((u)&7u)]:0;
+}
+static inline uint_fast16_t
+_hb_arabic_pua_trad_map (unsigned u)
+{
+  return u<65277u?_hb_arabic_u16[320+(((_hb_arabic_u8[208+(((_hb_arabic_b4(168+_hb_arabic_u8,((_hb_arabic_b4(136+_hb_arabic_u8,u>>2>>4>>4))<<4)+((u>>2>>4)&15u)))<<4)+((u>>2)&15u))])<<2)+((u)&3u))]:0;
+}
+
+#endif /* HB_OT_SHAPER_ARABIC_PUA_HH */
+
+/* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-table.hh
index c158964f2c..d7670f2f95 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-table.hh
@@ -6,15 +6,15 @@
  *
  * on files with these headers:
  *
- * # ArabicShaping-14.0.0.txt
- * # Date: 2021-05-21, 01:54:00 GMT [KW, RP]
- * # Blocks-14.0.0.txt
- * # Date: 2021-01-22, 23:29:00 GMT [KW]
+ * # ArabicShaping-15.0.0.txt
+ * # Date: 2022-02-14, 18:50:00 GMT [KW, RP]
+ * # Blocks-15.0.0.txt
+ * # Date: 2022-01-28, 20:58:00 GMT [KW]
  * UnicodeData.txt does not have a header.
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH
-#define HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH
+#ifndef HB_OT_SHAPER_ARABIC_TABLE_HH
+#define HB_OT_SHAPER_ARABIC_TABLE_HH
 
 
 #define A	JOINING_GROUP_ALAPH
@@ -416,26 +416,141 @@ static const uint16_t shaping_table[][4] =
 static const struct ligature_set_t {
  uint16_t first;
  struct ligature_pairs_t {
-   uint16_t second;
+   uint16_t components[1];
    uint16_t ligature;
- } ligatures[4];
+ } ligatures[14];
 } ligature_table[] =
 {
+  { 0xFE91u, {
+    { {0xFEE2u}, 0xFC08u }, /* ARABIC LIGATURE BEH WITH MEEM ISOLATED FORM */
+    { {0xFEE4u}, 0xFC9Fu }, /* ARABIC LIGATURE BEH WITH MEEM INITIAL FORM */
+    { {0xFEA0u}, 0xFC9Cu }, /* ARABIC LIGATURE BEH WITH JEEM INITIAL FORM */
+    { {0xFEA4u}, 0xFC9Du }, /* ARABIC LIGATURE BEH WITH HAH INITIAL FORM */
+    { {0xFEA8u}, 0xFC9Eu }, /* ARABIC LIGATURE BEH WITH KHAH INITIAL FORM */
+  }},
+  { 0xFE92u, {
+    { {0xFEAEu}, 0xFC6Au }, /* ARABIC LIGATURE BEH WITH REH FINAL FORM */
+    { {0xFEE6u}, 0xFC6Du }, /* ARABIC LIGATURE BEH WITH NOON FINAL FORM */
+    { {0xFEF2u}, 0xFC6Fu }, /* ARABIC LIGATURE BEH WITH YEH FINAL FORM */
+  }},
+  { 0xFE97u, {
+    { {0xFEE2u}, 0xFC0Eu }, /* ARABIC LIGATURE TEH WITH MEEM ISOLATED FORM */
+    { {0xFEE4u}, 0xFCA4u }, /* ARABIC LIGATURE TEH WITH MEEM INITIAL FORM */
+    { {0xFEA0u}, 0xFCA1u }, /* ARABIC LIGATURE TEH WITH JEEM INITIAL FORM */
+    { {0xFEA4u}, 0xFCA2u }, /* ARABIC LIGATURE TEH WITH HAH INITIAL FORM */
+    { {0xFEA8u}, 0xFCA3u }, /* ARABIC LIGATURE TEH WITH KHAH INITIAL FORM */
+  }},
+  { 0xFE98u, {
+    { {0xFEAEu}, 0xFC70u }, /* ARABIC LIGATURE TEH WITH REH FINAL FORM */
+    { {0xFEE6u}, 0xFC73u }, /* ARABIC LIGATURE TEH WITH NOON FINAL FORM */
+    { {0xFEF2u}, 0xFC75u }, /* ARABIC LIGATURE TEH WITH YEH FINAL FORM */
+  }},
+  { 0xFE9Bu, {
+    { {0xFEE2u}, 0xFC12u }, /* ARABIC LIGATURE THEH WITH MEEM ISOLATED FORM */
+  }},
+  { 0xFE9Fu, {
+    { {0xFEE4u}, 0xFCA8u }, /* ARABIC LIGATURE JEEM WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEA3u, {
+    { {0xFEE4u}, 0xFCAAu }, /* ARABIC LIGATURE HAH WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEA7u, {
+    { {0xFEE4u}, 0xFCACu }, /* ARABIC LIGATURE KHAH WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEB3u, {
+    { {0xFEE4u}, 0xFCB0u }, /* ARABIC LIGATURE SEEN WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEB7u, {
+    { {0xFEE4u}, 0xFD30u }, /* ARABIC LIGATURE SHEEN WITH MEEM INITIAL FORM */
+  }},
+  { 0xFED3u, {
+    { {0xFEF2u}, 0xFC32u }, /* ARABIC LIGATURE FEH WITH YEH ISOLATED FORM */
+  }},
   { 0xFEDFu, {
-    { 0xFE82u, 0xFEF5u }, /* ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE ISOLATED FORM */
-    { 0xFE84u, 0xFEF7u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE ISOLATED FORM */
-    { 0xFE88u, 0xFEF9u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW ISOLATED FORM */
-    { 0xFE8Eu, 0xFEFBu }, /* ARABIC LIGATURE LAM WITH ALEF ISOLATED FORM */
+    { {0xFE9Eu}, 0xFC3Fu }, /* ARABIC LIGATURE LAM WITH JEEM ISOLATED FORM */
+    { {0xFEA0u}, 0xFCC9u }, /* ARABIC LIGATURE LAM WITH JEEM INITIAL FORM */
+    { {0xFEA2u}, 0xFC40u }, /* ARABIC LIGATURE LAM WITH HAH ISOLATED FORM */
+    { {0xFEA4u}, 0xFCCAu }, /* ARABIC LIGATURE LAM WITH HAH INITIAL FORM */
+    { {0xFEA6u}, 0xFC41u }, /* ARABIC LIGATURE LAM WITH KHAH ISOLATED FORM */
+    { {0xFEA8u}, 0xFCCBu }, /* ARABIC LIGATURE LAM WITH KHAH INITIAL FORM */
+    { {0xFEE2u}, 0xFC42u }, /* ARABIC LIGATURE LAM WITH MEEM ISOLATED FORM */
+    { {0xFEE4u}, 0xFCCCu }, /* ARABIC LIGATURE LAM WITH MEEM INITIAL FORM */
+    { {0xFEF2u}, 0xFC44u }, /* ARABIC LIGATURE LAM WITH YEH ISOLATED FORM */
+    { {0xFEECu}, 0xFCCDu }, /* ARABIC LIGATURE LAM WITH HEH INITIAL FORM */
+    { {0xFE82u}, 0xFEF5u }, /* ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE ISOLATED FORM */
+    { {0xFE84u}, 0xFEF7u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE ISOLATED FORM */
+    { {0xFE88u}, 0xFEF9u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW ISOLATED FORM */
+    { {0xFE8Eu}, 0xFEFBu }, /* ARABIC LIGATURE LAM WITH ALEF ISOLATED FORM */
   }},
   { 0xFEE0u, {
-    { 0xFE82u, 0xFEF6u }, /* ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE FINAL FORM */
-    { 0xFE84u, 0xFEF8u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE FINAL FORM */
-    { 0xFE88u, 0xFEFAu }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW FINAL FORM */
-    { 0xFE8Eu, 0xFEFCu }, /* ARABIC LIGATURE LAM WITH ALEF FINAL FORM */
+    { {0xFEF0u}, 0xFC86u }, /* ARABIC LIGATURE LAM WITH ALEF MAKSURA FINAL FORM */
+    { {0xFE82u}, 0xFEF6u }, /* ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE FINAL FORM */
+    { {0xFE84u}, 0xFEF8u }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE FINAL FORM */
+    { {0xFE88u}, 0xFEFAu }, /* ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW FINAL FORM */
+    { {0xFE8Eu}, 0xFEFCu }, /* ARABIC LIGATURE LAM WITH ALEF FINAL FORM */
+  }},
+  { 0xFEE3u, {
+    { {0xFEA0u}, 0xFCCEu }, /* ARABIC LIGATURE MEEM WITH JEEM INITIAL FORM */
+    { {0xFEA4u}, 0xFCCFu }, /* ARABIC LIGATURE MEEM WITH HAH INITIAL FORM */
+    { {0xFEA8u}, 0xFCD0u }, /* ARABIC LIGATURE MEEM WITH KHAH INITIAL FORM */
+    { {0xFEE4u}, 0xFCD1u }, /* ARABIC LIGATURE MEEM WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEE7u, {
+    { {0xFEE2u}, 0xFC4Eu }, /* ARABIC LIGATURE NOON WITH MEEM ISOLATED FORM */
+    { {0xFEE4u}, 0xFCD5u }, /* ARABIC LIGATURE NOON WITH MEEM INITIAL FORM */
+    { {0xFEA0u}, 0xFCD2u }, /* ARABIC LIGATURE NOON WITH JEEM INITIAL FORM */
+    { {0xFEA4u}, 0xFCD3u }, /* ARABIC LIGATURE NOON WITH HAH INITIAL FORM */
+  }},
+  { 0xFEE8u, {
+    { {0xFEF2u}, 0xFC8Fu }, /* ARABIC LIGATURE NOON WITH YEH FINAL FORM */
+  }},
+  { 0xFEF3u, {
+    { {0xFEA0u}, 0xFCDAu }, /* ARABIC LIGATURE YEH WITH JEEM INITIAL FORM */
+    { {0xFEA4u}, 0xFCDBu }, /* ARABIC LIGATURE YEH WITH HAH INITIAL FORM */
+    { {0xFEA8u}, 0xFCDCu }, /* ARABIC LIGATURE YEH WITH KHAH INITIAL FORM */
+    { {0xFEE4u}, 0xFCDDu }, /* ARABIC LIGATURE YEH WITH MEEM INITIAL FORM */
+  }},
+  { 0xFEF4u, {
+    { {0xFEAEu}, 0xFC91u }, /* ARABIC LIGATURE YEH WITH REH FINAL FORM */
+    { {0xFEE6u}, 0xFC94u }, /* ARABIC LIGATURE YEH WITH NOON FINAL FORM */
+  }},
+};
+
+
+static const struct ligature_mark_set_t {
+ uint16_t first;
+ struct ligature_pairs_t {
+   uint16_t components[1];
+   uint16_t ligature;
+ } ligatures[5];
+} ligature_mark_table[] =
+{
+  { 0x0651u, {
+    { {0x064Cu}, 0xFC5Eu }, /* ARABIC LIGATURE SHADDA WITH DAMMATAN ISOLATED FORM */
+    { {0x064Eu}, 0xFC60u }, /* ARABIC LIGATURE SHADDA WITH FATHA ISOLATED FORM */
+    { {0x064Fu}, 0xFC61u }, /* ARABIC LIGATURE SHADDA WITH DAMMA ISOLATED FORM */
+    { {0x0650u}, 0xFC62u }, /* ARABIC LIGATURE SHADDA WITH KASRA ISOLATED FORM */
+    { {0x064Bu}, 0xF2EEu }, /* PUA ARABIC LIGATURE SHADDA WITH FATHATAN ISOLATED FORM */
+  }},
+};
+
+
+static const struct ligature_3_set_t {
+ uint16_t first;
+ struct ligature_triplets_t {
+   uint16_t components[2];
+   uint16_t ligature;
+ } ligatures[3];
+} ligature_3_table[] =
+{
+  { 0xFEDFu, {
+    { {0xFEE4u, 0xFEA4u}, 0xFD88u}, /* ARABIC LIGATURE LAM WITH MEEM WITH HAH INITIAL FORM */
+    { {0xFEE0u, 0xFEEAu}, 0xF201u}, /* PUA ARABIC LIGATURE LELLAH ISOLATED FORM */
+    { {0xFEE4u, 0xFEA0u}, 0xF211u}, /* PUA ARABIC LIGATURE LAM WITH MEEM WITH JEEM INITIAL FORM */
   }},
 };
 
 
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH */
+#endif /* HB_OT_SHAPER_ARABIC_TABLE_HH */
 
 /* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-win1256.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-win1256.hh
index 429974d05b..b8d481c813 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic-win1256.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic-win1256.hh
@@ -24,7 +24,7 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH
+#ifndef HB_OT_SHAPER_ARABIC_WIN1256_HH
 
 
 /*
@@ -342,8 +342,8 @@ OT_TABLE_END
 #include "hb.hh" /* Make check-includes.sh happy. */
 #endif
 #ifdef OT_MEASURE
-#include "hb-ot-shape-complex-arabic-win1256.hh"
+#include "hb-ot-shaper-arabic-win1256.hh"
 #endif
 
-#define HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH */
+#define HB_OT_SHAPER_ARABIC_WIN1256_HH
+#endif /* HB_OT_SHAPER_ARABIC_WIN1256_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic.cc
index 224f8b842e..2332ae3697 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic.cc
@@ -28,14 +28,14 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-arabic.hh"
+#include "hb-ot-shaper-arabic.hh"
 #include "hb-ot-shape.hh"
 
 
 /* buffer var allocations */
-#define arabic_shaping_action() complex_var_u8_auxiliary() /* arabic shaping action */
+#define arabic_shaping_action() ot_shaper_var_u8_auxiliary() /* arabic shaping action */
 
-#define HB_BUFFER_SCRATCH_FLAG_ARABIC_HAS_STCH HB_BUFFER_SCRATCH_FLAG_COMPLEX0
+#define HB_BUFFER_SCRATCH_FLAG_ARABIC_HAS_STCH HB_BUFFER_SCRATCH_FLAG_SHAPER0
 
 /* See:
  * https://github.com/harfbuzz/harfbuzz/commit/6e6f82b6f3dde0fc6c3c7d991d9ec6cfff57823d#commitcomment-14248516 */
@@ -81,7 +81,7 @@ enum hb_arabic_joining_type_t {
   JOINING_TYPE_X = 8  /* means: use general-category to choose between U or T. */
 };
 
-#include "hb-ot-shape-complex-arabic-table.hh"
+#include "hb-ot-shaper-arabic-table.hh"
 
 static unsigned int get_joining_type (hb_codepoint_t u, hb_unicode_general_category_t gen_cat)
 {
@@ -161,16 +161,25 @@ static const struct arabic_state_table_entry {
 };
 
 
-static void
+static bool
 arabic_fallback_shape (const hb_ot_shape_plan_t *plan,
 		       hb_font_t *font,
 		       hb_buffer_t *buffer);
 
-static void
+static bool
 record_stch (const hb_ot_shape_plan_t *plan,
 	     hb_font_t *font,
 	     hb_buffer_t *buffer);
 
+static bool
+deallocate_buffer_var (const hb_ot_shape_plan_t *plan,
+		       hb_font_t *font,
+		       hb_buffer_t *buffer)
+{
+  HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
+  return false;
+}
+
 static void
 collect_features_arabic (hb_ot_shape_planner_t *plan)
 {
@@ -193,26 +202,24 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
    * work.  However, testing shows that rlig and calt are applied
    * together for Mongolian in Uniscribe.  As such, we only add a
    * pause for Arabic, not other scripts.
-   *
-   * A pause after calt is required to make KFGQPC Uthmanic Script HAFS
-   * work correctly.  See https://github.com/harfbuzz/harfbuzz/issues/505
    */
 
 
   map->enable_feature (HB_TAG('s','t','c','h'));
   map->add_gsub_pause (record_stch);
 
-  map->enable_feature (HB_TAG('c','c','m','p'));
-  map->enable_feature (HB_TAG('l','o','c','l'));
+  map->enable_feature (HB_TAG('c','c','m','p'), F_MANUAL_ZWJ);
+  map->enable_feature (HB_TAG('l','o','c','l'), F_MANUAL_ZWJ);
 
   map->add_gsub_pause (nullptr);
 
   for (unsigned int i = 0; i < ARABIC_NUM_FEATURES; i++)
   {
     bool has_fallback = plan->props.script == HB_SCRIPT_ARABIC && !FEATURE_IS_SYRIAC (arabic_features[i]);
-    map->add_feature (arabic_features[i], has_fallback ? F_HAS_FALLBACK : F_NONE);
+    map->add_feature (arabic_features[i], F_MANUAL_ZWJ | (has_fallback ? F_HAS_FALLBACK : F_NONE));
     map->add_gsub_pause (nullptr);
   }
+   map->add_gsub_pause (deallocate_buffer_var);
 
   /* Normally, Unicode says a ZWNJ means "don't ligate".  In Arabic script
    * however, it says a ZWJ should also mean "don't ligate".  So we run
@@ -223,10 +230,16 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
   if (plan->props.script == HB_SCRIPT_ARABIC)
     map->add_gsub_pause (arabic_fallback_shape);
 
-  /* No pause after rclt.  See 98460779bae19e4d64d29461ff154b3527bf8420. */
-  map->enable_feature (HB_TAG('r','c','l','t'), F_MANUAL_ZWJ);
-  map->enable_feature (HB_TAG('c','a','l','t'), F_MANUAL_ZWJ);
-  map->add_gsub_pause (nullptr);
+   map->enable_feature (HB_TAG('c','a','l','t'), F_MANUAL_ZWJ);
+   /* https://github.com/harfbuzz/harfbuzz/issues/1573 */
+   if (!map->has_feature (HB_TAG('r','c','l','t')))
+   {
+     map->add_gsub_pause (nullptr);
+     map->enable_feature (HB_TAG('r','c','l','t'), F_MANUAL_ZWJ);
+   }
+
+   map->enable_feature (HB_TAG('l','i','g','a'), F_MANUAL_ZWJ);
+   map->enable_feature (HB_TAG('c','l','i','g'), F_MANUAL_ZWJ);
 
   /* The spec includes 'cswh'.  Earlier versions of Windows
    * used to enable this by default, but testing suggests
@@ -236,11 +249,11 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
    * Note that IranNastaliq uses this feature extensively
    * to fixup broken glyph sequences.  Oh well...
    * Test case: U+0643,U+0640,U+0631. */
-  //map->enable_feature (HB_TAG('c','s','w','h'));
-  map->enable_feature (HB_TAG('m','s','e','t'));
+  //map->enable_feature (HB_TAG('c','s','w','h'), F_MANUAL_ZWJ);
+  map->enable_feature (HB_TAG('m','s','e','t'), F_MANUAL_ZWJ);
 }
 
-#include "hb-ot-shape-complex-arabic-fallback.hh"
+#include "hb-ot-shaper-arabic-fallback.hh"
 
 struct arabic_shape_plan_t
 {
@@ -319,7 +332,7 @@ arabic_joining (hb_buffer_t *buffer)
     if (entry->prev_action != NONE && prev != UINT_MAX)
     {
       info[prev].arabic_shaping_action() = entry->prev_action;
-      buffer->unsafe_to_break (prev, i + 1);
+      buffer->safe_to_insert_tatweel (prev, i + 1);
     }
     else
     {
@@ -353,7 +366,7 @@ arabic_joining (hb_buffer_t *buffer)
     if (entry->prev_action != NONE && prev != UINT_MAX)
     {
       info[prev].arabic_shaping_action() = entry->prev_action;
-      buffer->unsafe_to_break (prev, buffer->len);
+      buffer->safe_to_insert_tatweel (prev, buffer->len);
     }
     else if (2 <= state && state <= 5) /* States that have a possible prev_action. */
     {
@@ -400,19 +413,19 @@ setup_masks_arabic (const hb_ot_shape_plan_t *plan,
   setup_masks_arabic_plan (arabic_plan, buffer, plan->props.script);
 }
 
-static void
+static bool
 arabic_fallback_shape (const hb_ot_shape_plan_t *plan,
 		       hb_font_t *font,
 		       hb_buffer_t *buffer)
 {
-#ifdef HB_NO_OT_SHAPE_COMPLEX_ARABIC_FALLBACK
-  return;
+#ifdef HB_NO_OT_SHAPER_ARABIC_FALLBACK
+  return false;
 #endif
 
   const arabic_shape_plan_t *arabic_plan = (const arabic_shape_plan_t *) plan->data;
 
   if (!arabic_plan->do_fallback)
-    return;
+    return false;
 
 retry:
   arabic_fallback_plan_t *fallback_plan = arabic_plan->fallback_plan;
@@ -428,6 +441,7 @@ retry:
   }
 
   arabic_fallback_plan_shape (fallback_plan, font, buffer);
+  return true;
 }
 
 /*
@@ -438,14 +452,14 @@ retry:
  * marks can use it as well.
  */
 
-static void
+static bool
 record_stch (const hb_ot_shape_plan_t *plan,
 	     hb_font_t *font HB_UNUSED,
 	     hb_buffer_t *buffer)
 {
   const arabic_shape_plan_t *arabic_plan = (const arabic_shape_plan_t *) plan->data;
   if (!arabic_plan->has_stch)
-    return;
+    return false;
 
   /* 'stch' feature was just applied.  Look for anything that multiplied,
    * and record it for stch treatment later.  Note that rtlm, frac, etc
@@ -461,6 +475,7 @@ record_stch (const hb_ot_shape_plan_t *plan,
       info[i].arabic_shaping_action() = comp % 2 ? STCH_REPEATING : STCH_FIXED;
       buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_ARABIC_HAS_STCH;
     }
+  return false;
 }
 
 static void
@@ -619,8 +634,6 @@ postprocess_glyphs_arabic (const hb_ot_shape_plan_t *plan,
 			   hb_font_t                *font)
 {
   apply_stch (plan, buffer, font);
-
-  HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
 }
 
 /* https://www.unicode.org/reports/tr53/ */
@@ -689,7 +702,7 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan HB_UNUSED,
 
     /* Shift it! */
     DEBUG_MSG (ARABIC, buffer, "Shifting %d's: %d %d", cc, i, j);
-    hb_glyph_info_t temp[HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS];
+    hb_glyph_info_t temp[HB_OT_SHAPE_MAX_COMBINING_MARKS];
     assert (j - i <= ARRAY_LENGTH (temp));
     buffer->merge_clusters (start, j);
     memmove (temp, &info[i], (j - i) * sizeof (hb_glyph_info_t));
@@ -720,7 +733,7 @@ reorder_marks_arabic (const hb_ot_shape_plan_t *plan HB_UNUSED,
   }
 }
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
+const hb_ot_shaper_t _hb_ot_shaper_arabic =
 {
   collect_features_arabic,
   nullptr, /* override_features */
@@ -728,12 +741,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
   data_destroy_arabic,
   nullptr, /* preprocess_text */
   postprocess_glyphs_arabic,
-  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   nullptr, /* decompose */
   nullptr, /* compose */
   setup_masks_arabic,
-  HB_TAG_NONE, /* gpos_tag */
   reorder_marks_arabic,
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic.hh
index 5bf6ff6338..a025b1a399 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-arabic.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-arabic.hh
@@ -26,12 +26,12 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_HH
-#define HB_OT_SHAPE_COMPLEX_ARABIC_HH
+#ifndef HB_OT_SHAPER_ARABIC_HH
+#define HB_OT_SHAPER_ARABIC_HH
 
 #include "hb.hh"
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
 struct arabic_shape_plan_t;
@@ -47,4 +47,4 @@ setup_masks_arabic_plan (const arabic_shape_plan_t *arabic_plan,
 			 hb_buffer_t               *buffer,
 			 hb_script_t                script);
 
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_HH */
+#endif /* HB_OT_SHAPER_ARABIC_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-default.cc
index a755aea098..f0404a4d2c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-default.cc
@@ -28,10 +28,10 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
+const hb_ot_shaper_t _hb_ot_shaper_default =
 {
   nullptr, /* collect_features */
   nullptr, /* override_features */
@@ -39,19 +39,20 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
   nullptr, /* data_destroy */
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   nullptr, /* decompose */
   nullptr, /* compose */
   nullptr, /* setup_masks */
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
 
+#ifndef HB_NO_AAT_SHAPE
 /* Same as default but no mark advance zeroing / fallback positioning.
  * Dumbest shaper ever, basically. */
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_dumber =
+const hb_ot_shaper_t _hb_ot_shaper_dumber =
 {
   nullptr, /* collect_features */
   nullptr, /* override_features */
@@ -59,15 +60,16 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_dumber =
   nullptr, /* data_destroy */
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   nullptr, /* decompose */
   nullptr, /* compose */
   nullptr, /* setup_masks */
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
+#endif
 
 
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hangul.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-hangul.cc
index 3bc9e9b961..c90476bc46 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hangul.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-hangul.cc
@@ -28,7 +28,7 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
 /* Hangul shaper */
@@ -119,7 +119,7 @@ data_destroy_hangul (void *data)
 #define isHangulTone(u) (hb_in_range<hb_codepoint_t> ((u), 0x302Eu, 0x302Fu))
 
 /* buffer var allocations */
-#define hangul_shaping_feature() complex_var_u8_auxiliary() /* hangul jamo shaping feature */
+#define hangul_shaping_feature() ot_shaper_var_u8_auxiliary() /* hangul jamo shaping feature */
 
 static bool
 is_zero_width_char (hb_font_t *font,
@@ -414,7 +414,7 @@ setup_masks_hangul (const hb_ot_shape_plan_t *plan,
 }
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
+const hb_ot_shaper_t _hb_ot_shaper_hangul =
 {
   collect_features_hangul,
   override_features_hangul,
@@ -422,12 +422,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
   data_destroy_hangul,
   preprocess_text_hangul,
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
   nullptr, /* decompose */
   nullptr, /* compose */
   setup_masks_hangul,
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-hebrew.cc
index 334d3ded82..e18edd6b3f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-hebrew.cc
@@ -28,7 +28,7 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
 static bool
@@ -74,7 +74,7 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c,
 
   bool found = (bool) c->unicode->compose (a, b, ab);
 
-#ifdef HB_NO_OT_SHAPE_COMPLEX_HEBREW_FALLBACK
+#ifdef HB_NO_OT_SHAPER_HEBREW_FALLBACK
   return found;
 #endif
 
@@ -89,7 +89,7 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c,
 	      found = true;
 	  }
 	  break;
-      case 0x05B7u: /* patah */
+      case 0x05B7u: /* PATAH */
 	  if (a == 0x05F2u) { /* YIDDISH YOD YOD */
 	      *ab = 0xFB1Fu;
 	      found = true;
@@ -162,8 +162,34 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c,
   return found;
 }
 
+static void
+reorder_marks_hebrew (const hb_ot_shape_plan_t *plan HB_UNUSED,
+		      hb_buffer_t              *buffer,
+		      unsigned int              start,
+		      unsigned int              end)
+{
+  hb_glyph_info_t *info = buffer->info;
+
+  for (unsigned i = start + 2; i < end; i++)
+  {
+    unsigned c0 = info_cc (info[i - 2]);
+    unsigned c1 = info_cc (info[i - 1]);
+    unsigned c2 = info_cc (info[i - 0]);
+
+    if ((c0 == HB_MODIFIED_COMBINING_CLASS_CCC17 || c0 == HB_MODIFIED_COMBINING_CLASS_CCC18) /* patach or qamats */ &&
+	(c1 == HB_MODIFIED_COMBINING_CLASS_CCC10 || c1 == HB_MODIFIED_COMBINING_CLASS_CCC14) /* sheva or hiriq */ &&
+	(c2 == HB_MODIFIED_COMBINING_CLASS_CCC22 || c2 == HB_UNICODE_COMBINING_CLASS_BELOW) /* meteg or below */)
+    {
+      buffer->merge_clusters (i - 1, i + 1);
+      hb_swap (info[i - 1], info[i]);
+      break;
+    }
+  }
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
+
+}
+
+const hb_ot_shaper_t _hb_ot_shaper_hebrew =
 {
   nullptr, /* collect_features */
   nullptr, /* override_features */
@@ -171,12 +197,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
   nullptr, /* data_destroy */
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   nullptr, /* decompose */
   compose_hebrew,
   nullptr, /* setup_masks */
+  reorder_marks_hebrew,
   HB_TAG ('h','e','b','r'), /* gpos_tag. https://github.com/harfbuzz/harfbuzz/issues/347#issuecomment-267838368 */
-  nullptr, /* reorder_marks */
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   true, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-machine.hh
new file mode 100644
index 0000000000..d6c67b81bd
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-machine.hh
@@ -0,0 +1,627 @@
+
+#line 1 "hb-ot-shaper-indic-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPER_INDIC_MACHINE_HH
+#define HB_OT_SHAPER_INDIC_MACHINE_HH
+
+#include "hb.hh"
+
+#include "hb-ot-layout.hh"
+#include "hb-ot-shaper-indic.hh"
+
+/* buffer var allocations */
+#define indic_category() ot_shaper_var_u8_category() /* indic_category_t */
+#define indic_position() ot_shaper_var_u8_auxiliary() /* indic_position_t */
+
+using indic_category_t = unsigned;
+using indic_position_t = ot_position_t;
+
+#define I_Cat(Cat) indic_syllable_machine_ex_##Cat
+
+enum indic_syllable_type_t {
+  indic_consonant_syllable,
+  indic_vowel_syllable,
+  indic_standalone_cluster,
+  indic_symbol_cluster,
+  indic_broken_cluster,
+  indic_non_indic_cluster,
+};
+
+
+#line 54 "hb-ot-shaper-indic-machine.hh"
+#define indic_syllable_machine_ex_A 9u
+#define indic_syllable_machine_ex_C 1u
+#define indic_syllable_machine_ex_CM 16u
+#define indic_syllable_machine_ex_CS 18u
+#define indic_syllable_machine_ex_DOTTEDCIRCLE 11u
+#define indic_syllable_machine_ex_H 4u
+#define indic_syllable_machine_ex_M 7u
+#define indic_syllable_machine_ex_MPst 13u
+#define indic_syllable_machine_ex_N 3u
+#define indic_syllable_machine_ex_PLACEHOLDER 10u
+#define indic_syllable_machine_ex_RS 12u
+#define indic_syllable_machine_ex_Ra 15u
+#define indic_syllable_machine_ex_Repha 14u
+#define indic_syllable_machine_ex_SM 8u
+#define indic_syllable_machine_ex_Symbol 17u
+#define indic_syllable_machine_ex_V 2u
+#define indic_syllable_machine_ex_VD 9u
+#define indic_syllable_machine_ex_X 0u
+#define indic_syllable_machine_ex_ZWJ 6u
+#define indic_syllable_machine_ex_ZWNJ 5u
+
+
+#line 75 "hb-ot-shaper-indic-machine.hh"
+static const unsigned char _indic_syllable_machine_trans_keys[] = {
+	8u, 8u, 4u, 13u, 5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 4u, 13u, 
+	8u, 8u, 5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 4u, 13u, 4u, 13u, 
+	8u, 8u, 5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 4u, 13u, 8u, 8u, 
+	5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 5u, 13u, 8u, 8u, 1u, 18u, 
+	3u, 16u, 3u, 16u, 4u, 16u, 1u, 15u, 5u, 9u, 5u, 9u, 9u, 9u, 5u, 9u, 
+	1u, 15u, 1u, 15u, 1u, 15u, 3u, 13u, 4u, 13u, 5u, 13u, 5u, 13u, 4u, 13u, 
+	5u, 9u, 3u, 9u, 5u, 9u, 3u, 16u, 3u, 16u, 3u, 16u, 3u, 16u, 4u, 16u, 
+	1u, 15u, 3u, 16u, 3u, 16u, 4u, 16u, 1u, 15u, 5u, 9u, 9u, 9u, 5u, 9u, 
+	1u, 15u, 1u, 15u, 3u, 13u, 4u, 13u, 5u, 13u, 5u, 13u, 4u, 13u, 5u, 9u, 
+	5u, 9u, 3u, 9u, 5u, 9u, 3u, 16u, 3u, 16u, 4u, 13u, 3u, 16u, 3u, 16u, 
+	4u, 16u, 1u, 15u, 3u, 16u, 1u, 15u, 5u, 9u, 9u, 9u, 5u, 9u, 1u, 15u, 
+	1u, 15u, 3u, 13u, 4u, 13u, 5u, 13u, 5u, 13u, 3u, 16u, 4u, 13u, 5u, 9u, 
+	5u, 9u, 3u, 9u, 5u, 9u, 3u, 16u, 4u, 13u, 4u, 13u, 3u, 16u, 3u, 16u, 
+	4u, 16u, 1u, 15u, 3u, 16u, 1u, 15u, 5u, 9u, 9u, 9u, 5u, 9u, 1u, 15u, 
+	1u, 15u, 3u, 13u, 4u, 13u, 5u, 13u, 5u, 13u, 3u, 16u, 4u, 13u, 5u, 9u, 
+	5u, 9u, 3u, 9u, 5u, 9u, 1u, 16u, 3u, 16u, 1u, 16u, 4u, 13u, 5u, 13u, 
+	5u, 13u, 9u, 9u, 5u, 9u, 1u, 15u, 3u, 9u, 5u, 9u, 5u, 9u, 9u, 9u, 
+	5u, 9u, 1u, 15u, 0
+};
+
+static const char _indic_syllable_machine_key_spans[] = {
+	1, 10, 9, 9, 1, 10, 10, 10, 
+	1, 9, 9, 1, 10, 10, 10, 10, 
+	1, 9, 9, 1, 10, 10, 10, 1, 
+	9, 9, 1, 10, 10, 9, 1, 18, 
+	14, 14, 13, 15, 5, 5, 1, 5, 
+	15, 15, 15, 11, 10, 9, 9, 10, 
+	5, 7, 5, 14, 14, 14, 14, 13, 
+	15, 14, 14, 13, 15, 5, 1, 5, 
+	15, 15, 11, 10, 9, 9, 10, 5, 
+	5, 7, 5, 14, 14, 10, 14, 14, 
+	13, 15, 14, 15, 5, 1, 5, 15, 
+	15, 11, 10, 9, 9, 14, 10, 5, 
+	5, 7, 5, 14, 10, 10, 14, 14, 
+	13, 15, 14, 15, 5, 1, 5, 15, 
+	15, 11, 10, 9, 9, 14, 10, 5, 
+	5, 7, 5, 16, 14, 16, 10, 9, 
+	9, 1, 5, 15, 7, 5, 5, 1, 
+	5, 15
+};
+
+static const short _indic_syllable_machine_index_offsets[] = {
+	0, 2, 13, 23, 33, 35, 46, 57, 
+	68, 70, 80, 90, 92, 103, 114, 125, 
+	136, 138, 148, 158, 160, 171, 182, 193, 
+	195, 205, 215, 217, 228, 239, 249, 251, 
+	270, 285, 300, 314, 330, 336, 342, 344, 
+	350, 366, 382, 398, 410, 421, 431, 441, 
+	452, 458, 466, 472, 487, 502, 517, 532, 
+	546, 562, 577, 592, 606, 622, 628, 630, 
+	636, 652, 668, 680, 691, 701, 711, 722, 
+	728, 734, 742, 748, 763, 778, 789, 804, 
+	819, 833, 849, 864, 880, 886, 888, 894, 
+	910, 926, 938, 949, 959, 969, 984, 995, 
+	1001, 1007, 1015, 1021, 1036, 1047, 1058, 1073, 
+	1088, 1102, 1118, 1133, 1149, 1155, 1157, 1163, 
+	1179, 1195, 1207, 1218, 1228, 1238, 1253, 1264, 
+	1270, 1276, 1284, 1290, 1307, 1322, 1339, 1350, 
+	1360, 1370, 1372, 1378, 1394, 1402, 1408, 1414, 
+	1416, 1422
+};
+
+static const unsigned char _indic_syllable_machine_indicies[] = {
+	1, 0, 2, 3, 3, 4, 5, 0, 
+	0, 0, 0, 4, 0, 3, 3, 4, 
+	6, 0, 0, 0, 0, 4, 0, 3, 
+	3, 4, 5, 0, 0, 0, 0, 4, 
+	0, 4, 0, 7, 3, 3, 4, 5, 
+	0, 0, 0, 0, 4, 0, 2, 3, 
+	3, 4, 5, 0, 0, 0, 8, 4, 
+	0, 10, 11, 11, 12, 13, 9, 9, 
+	9, 9, 12, 9, 14, 9, 11, 11, 
+	12, 15, 9, 9, 9, 9, 12, 9, 
+	11, 11, 12, 13, 9, 9, 9, 9, 
+	12, 9, 12, 9, 16, 11, 11, 12, 
+	13, 9, 9, 9, 9, 12, 9, 10, 
+	11, 11, 12, 13, 9, 9, 9, 17, 
+	12, 9, 10, 11, 11, 12, 13, 9, 
+	9, 9, 18, 12, 9, 20, 21, 21, 
+	22, 23, 19, 19, 19, 24, 22, 19, 
+	25, 19, 21, 21, 22, 27, 26, 26, 
+	26, 26, 22, 26, 21, 21, 22, 23, 
+	19, 19, 19, 19, 22, 19, 22, 26, 
+	20, 21, 21, 22, 23, 19, 19, 19, 
+	19, 22, 19, 28, 21, 21, 22, 23, 
+	19, 19, 19, 19, 22, 19, 30, 31, 
+	31, 32, 33, 29, 29, 29, 34, 32, 
+	29, 35, 29, 31, 31, 32, 36, 29, 
+	29, 29, 29, 32, 29, 31, 31, 32, 
+	33, 29, 29, 29, 29, 32, 29, 32, 
+	29, 30, 31, 31, 32, 33, 29, 29, 
+	29, 29, 32, 29, 37, 31, 31, 32, 
+	33, 29, 29, 29, 29, 32, 29, 21, 
+	21, 22, 38, 0, 0, 0, 0, 22, 
+	0, 40, 39, 42, 43, 44, 45, 46, 
+	47, 22, 23, 48, 49, 49, 24, 22, 
+	50, 51, 52, 53, 54, 41, 56, 57, 
+	58, 59, 4, 5, 60, 55, 55, 8, 
+	4, 55, 55, 61, 55, 62, 57, 63, 
+	63, 4, 5, 60, 55, 55, 55, 4, 
+	55, 55, 61, 55, 57, 63, 63, 4, 
+	5, 60, 55, 55, 55, 4, 55, 55, 
+	61, 55, 42, 55, 55, 55, 64, 65, 
+	55, 1, 60, 55, 55, 55, 55, 55, 
+	42, 55, 66, 66, 55, 1, 60, 55, 
+	60, 55, 55, 67, 60, 55, 60, 55, 
+	60, 55, 55, 55, 60, 55, 42, 55, 
+	68, 55, 66, 66, 55, 1, 60, 55, 
+	55, 55, 55, 55, 42, 55, 42, 55, 
+	55, 55, 66, 66, 55, 1, 60, 55, 
+	55, 55, 55, 55, 42, 55, 42, 55, 
+	55, 55, 66, 65, 55, 1, 60, 55, 
+	55, 55, 55, 55, 42, 55, 69, 70, 
+	71, 71, 4, 5, 60, 55, 55, 55, 
+	4, 55, 70, 71, 71, 4, 5, 60, 
+	55, 55, 55, 4, 55, 71, 71, 4, 
+	5, 60, 55, 55, 55, 4, 55, 60, 
+	55, 55, 67, 60, 55, 55, 55, 4, 
+	55, 72, 73, 73, 4, 5, 60, 55, 
+	55, 55, 4, 55, 64, 74, 55, 1, 
+	60, 55, 64, 55, 66, 66, 55, 1, 
+	60, 55, 66, 74, 55, 1, 60, 55, 
+	56, 57, 63, 63, 4, 5, 60, 55, 
+	55, 55, 4, 55, 55, 61, 55, 56, 
+	57, 58, 63, 4, 5, 60, 55, 55, 
+	8, 4, 55, 55, 61, 55, 76, 77, 
+	78, 79, 12, 13, 80, 75, 75, 18, 
+	12, 75, 75, 81, 75, 82, 77, 83, 
+	79, 12, 13, 80, 75, 75, 75, 12, 
+	75, 75, 81, 75, 77, 83, 79, 12, 
+	13, 80, 75, 75, 75, 12, 75, 75, 
+	81, 75, 84, 75, 75, 75, 85, 86, 
+	75, 14, 80, 75, 75, 75, 75, 75, 
+	84, 75, 87, 77, 88, 89, 12, 13, 
+	80, 75, 75, 17, 12, 75, 75, 81, 
+	75, 90, 77, 83, 83, 12, 13, 80, 
+	75, 75, 75, 12, 75, 75, 81, 75, 
+	77, 83, 83, 12, 13, 80, 75, 75, 
+	75, 12, 75, 75, 81, 75, 84, 75, 
+	75, 75, 91, 86, 75, 14, 80, 75, 
+	75, 75, 75, 75, 84, 75, 80, 75, 
+	75, 92, 80, 75, 80, 75, 80, 75, 
+	75, 75, 80, 75, 84, 75, 93, 75, 
+	91, 91, 75, 14, 80, 75, 75, 75, 
+	75, 75, 84, 75, 84, 75, 75, 75, 
+	91, 91, 75, 14, 80, 75, 75, 75, 
+	75, 75, 84, 75, 94, 95, 96, 96, 
+	12, 13, 80, 75, 75, 75, 12, 75, 
+	95, 96, 96, 12, 13, 80, 75, 75, 
+	75, 12, 75, 96, 96, 12, 13, 80, 
+	75, 75, 75, 12, 75, 80, 75, 75, 
+	92, 80, 75, 75, 75, 12, 75, 97, 
+	98, 98, 12, 13, 80, 75, 75, 75, 
+	12, 75, 85, 99, 75, 14, 80, 75, 
+	91, 91, 75, 14, 80, 75, 85, 75, 
+	91, 91, 75, 14, 80, 75, 91, 99, 
+	75, 14, 80, 75, 87, 77, 83, 83, 
+	12, 13, 80, 75, 75, 75, 12, 75, 
+	75, 81, 75, 87, 77, 88, 83, 12, 
+	13, 80, 75, 75, 17, 12, 75, 75, 
+	81, 75, 10, 11, 11, 12, 13, 75, 
+	75, 75, 75, 12, 75, 76, 77, 83, 
+	79, 12, 13, 80, 75, 75, 75, 12, 
+	75, 75, 81, 75, 101, 45, 102, 102, 
+	22, 23, 48, 100, 100, 100, 22, 100, 
+	100, 52, 100, 45, 102, 102, 22, 23, 
+	48, 100, 100, 100, 22, 100, 100, 52, 
+	100, 103, 100, 100, 100, 104, 105, 100, 
+	25, 48, 100, 100, 100, 100, 100, 103, 
+	100, 44, 45, 106, 107, 22, 23, 48, 
+	100, 100, 24, 22, 100, 100, 52, 100, 
+	103, 100, 100, 100, 108, 105, 100, 25, 
+	48, 100, 100, 100, 100, 100, 103, 100, 
+	48, 100, 100, 109, 48, 100, 48, 100, 
+	48, 100, 100, 100, 48, 100, 103, 100, 
+	110, 100, 108, 108, 100, 25, 48, 100, 
+	100, 100, 100, 100, 103, 100, 103, 100, 
+	100, 100, 108, 108, 100, 25, 48, 100, 
+	100, 100, 100, 100, 103, 100, 111, 112, 
+	113, 113, 22, 23, 48, 100, 100, 100, 
+	22, 100, 112, 113, 113, 22, 23, 48, 
+	100, 100, 100, 22, 100, 113, 113, 22, 
+	23, 48, 100, 100, 100, 22, 100, 48, 
+	100, 100, 109, 48, 100, 100, 100, 22, 
+	100, 44, 45, 102, 102, 22, 23, 48, 
+	100, 100, 100, 22, 100, 100, 52, 100, 
+	114, 115, 115, 22, 23, 48, 100, 100, 
+	100, 22, 100, 104, 116, 100, 25, 48, 
+	100, 108, 108, 100, 25, 48, 100, 104, 
+	100, 108, 108, 100, 25, 48, 100, 108, 
+	116, 100, 25, 48, 100, 44, 45, 106, 
+	102, 22, 23, 48, 100, 100, 24, 22, 
+	100, 100, 52, 100, 20, 21, 21, 22, 
+	23, 117, 117, 117, 24, 22, 117, 20, 
+	21, 21, 22, 23, 117, 117, 117, 117, 
+	22, 117, 119, 120, 121, 122, 32, 33, 
+	123, 118, 118, 34, 32, 118, 118, 124, 
+	118, 125, 120, 122, 122, 32, 33, 123, 
+	118, 118, 118, 32, 118, 118, 124, 118, 
+	120, 122, 122, 32, 33, 123, 118, 118, 
+	118, 32, 118, 118, 124, 118, 126, 118, 
+	118, 118, 127, 128, 118, 35, 123, 118, 
+	118, 118, 118, 118, 126, 118, 119, 120, 
+	121, 49, 32, 33, 123, 118, 118, 34, 
+	32, 118, 118, 124, 118, 126, 118, 118, 
+	118, 129, 128, 118, 35, 123, 118, 118, 
+	118, 118, 118, 126, 118, 123, 118, 118, 
+	130, 123, 118, 123, 118, 123, 118, 118, 
+	118, 123, 118, 126, 118, 131, 118, 129, 
+	129, 118, 35, 123, 118, 118, 118, 118, 
+	118, 126, 118, 126, 118, 118, 118, 129, 
+	129, 118, 35, 123, 118, 118, 118, 118, 
+	118, 126, 118, 132, 133, 134, 134, 32, 
+	33, 123, 118, 118, 118, 32, 118, 133, 
+	134, 134, 32, 33, 123, 118, 118, 118, 
+	32, 118, 134, 134, 32, 33, 123, 118, 
+	118, 118, 32, 118, 123, 118, 118, 130, 
+	123, 118, 118, 118, 32, 118, 119, 120, 
+	122, 122, 32, 33, 123, 118, 118, 118, 
+	32, 118, 118, 124, 118, 135, 136, 136, 
+	32, 33, 123, 118, 118, 118, 32, 118, 
+	127, 137, 118, 35, 123, 118, 129, 129, 
+	118, 35, 123, 118, 127, 118, 129, 129, 
+	118, 35, 123, 118, 129, 137, 118, 35, 
+	123, 118, 42, 43, 44, 45, 106, 102, 
+	22, 23, 48, 49, 49, 24, 22, 100, 
+	42, 52, 100, 56, 138, 58, 59, 4, 
+	5, 60, 55, 55, 8, 4, 55, 55, 
+	61, 55, 42, 43, 44, 45, 139, 140, 
+	22, 141, 142, 55, 49, 24, 22, 55, 
+	42, 52, 55, 20, 143, 143, 22, 141, 
+	60, 55, 55, 24, 22, 55, 60, 55, 
+	55, 67, 60, 55, 55, 55, 22, 55, 
+	142, 55, 55, 144, 142, 55, 55, 55, 
+	22, 55, 142, 55, 142, 55, 55, 55, 
+	142, 55, 42, 55, 68, 20, 143, 143, 
+	22, 141, 60, 55, 55, 55, 22, 55, 
+	42, 55, 146, 145, 147, 147, 145, 40, 
+	148, 145, 147, 147, 145, 40, 148, 145, 
+	148, 145, 145, 149, 148, 145, 148, 145, 
+	148, 145, 145, 145, 148, 145, 42, 117, 
+	117, 117, 117, 117, 117, 117, 117, 49, 
+	117, 117, 117, 117, 42, 117, 0
+};
+
+static const unsigned char _indic_syllable_machine_trans_targs[] = {
+	31, 37, 42, 2, 43, 46, 4, 50, 
+	51, 31, 60, 9, 66, 69, 61, 11, 
+	74, 75, 78, 31, 83, 17, 89, 92, 
+	93, 84, 31, 19, 98, 31, 107, 24, 
+	113, 116, 117, 108, 26, 122, 127, 31, 
+	134, 31, 32, 53, 79, 81, 100, 101, 
+	85, 102, 123, 124, 94, 132, 137, 31, 
+	33, 35, 6, 52, 38, 47, 34, 1, 
+	36, 40, 0, 39, 41, 44, 45, 3, 
+	48, 5, 49, 31, 54, 56, 14, 77, 
+	62, 70, 55, 7, 57, 72, 64, 58, 
+	13, 76, 59, 8, 63, 65, 67, 68, 
+	10, 71, 12, 73, 31, 80, 20, 82, 
+	96, 87, 15, 99, 16, 86, 88, 90, 
+	91, 18, 95, 21, 97, 31, 31, 103, 
+	105, 22, 27, 109, 118, 104, 106, 120, 
+	111, 23, 110, 112, 114, 115, 25, 119, 
+	28, 121, 125, 126, 131, 128, 129, 29, 
+	130, 31, 133, 30, 135, 136
+};
+
+static const char _indic_syllable_machine_trans_actions[] = {
+	1, 0, 2, 0, 2, 0, 0, 2, 
+	2, 3, 2, 0, 2, 0, 0, 0, 
+	2, 2, 2, 4, 2, 0, 5, 0, 
+	5, 0, 6, 0, 2, 7, 2, 0, 
+	2, 0, 2, 0, 0, 2, 0, 8, 
+	0, 11, 2, 2, 5, 0, 12, 12, 
+	0, 2, 5, 2, 5, 2, 0, 13, 
+	2, 0, 0, 2, 0, 2, 2, 0, 
+	2, 2, 0, 0, 2, 2, 2, 0, 
+	0, 0, 2, 14, 2, 0, 0, 2, 
+	0, 2, 2, 0, 2, 2, 2, 2, 
+	0, 2, 2, 0, 0, 2, 2, 2, 
+	0, 0, 0, 2, 15, 5, 0, 5, 
+	2, 2, 0, 5, 0, 0, 2, 5, 
+	5, 0, 0, 0, 2, 16, 17, 2, 
+	0, 0, 0, 0, 2, 2, 2, 2, 
+	2, 0, 0, 2, 2, 2, 0, 0, 
+	0, 2, 0, 18, 18, 0, 0, 0, 
+	0, 19, 2, 0, 0, 0
+};
+
+static const char _indic_syllable_machine_to_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 9, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0
+};
+
+static const char _indic_syllable_machine_from_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 10, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0
+};
+
+static const short _indic_syllable_machine_eof_trans[] = {
+	1, 1, 1, 1, 1, 1, 1, 10, 
+	10, 10, 10, 10, 10, 10, 10, 20, 
+	20, 27, 20, 27, 20, 20, 30, 30, 
+	30, 30, 30, 30, 30, 1, 40, 0, 
+	56, 56, 56, 56, 56, 56, 56, 56, 
+	56, 56, 56, 56, 56, 56, 56, 56, 
+	56, 56, 56, 56, 56, 76, 76, 76, 
+	76, 76, 76, 76, 76, 76, 76, 76, 
+	76, 76, 76, 76, 76, 76, 76, 76, 
+	76, 76, 76, 76, 76, 76, 76, 101, 
+	101, 101, 101, 101, 101, 101, 101, 101, 
+	101, 101, 101, 101, 101, 101, 101, 101, 
+	101, 101, 101, 101, 118, 118, 119, 119, 
+	119, 119, 119, 119, 119, 119, 119, 119, 
+	119, 119, 119, 119, 119, 119, 119, 119, 
+	119, 119, 119, 101, 56, 56, 56, 56, 
+	56, 56, 56, 56, 146, 146, 146, 146, 
+	146, 118
+};
+
+static const int indic_syllable_machine_start = 31;
+static const int indic_syllable_machine_first_final = 31;
+static const int indic_syllable_machine_error = -1;
+
+static const int indic_syllable_machine_en_main = 31;
+
+
+#line 58 "hb-ot-shaper-indic-machine.rl"
+
+
+
+#line 118 "hb-ot-shaper-indic-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
+    for (unsigned int i = ts; i < te; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    syllable_serial++; \
+    if (syllable_serial == 16) syllable_serial = 1; \
+  } HB_STMT_END
+
+inline void
+find_syllables_indic (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts, te, act;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 453 "hb-ot-shaper-indic-machine.hh"
+	{
+	cs = indic_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 138 "hb-ot-shaper-indic-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int syllable_serial = 1;
+  
+#line 465 "hb-ot-shaper-indic-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const unsigned char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _indic_syllable_machine_from_state_actions[cs] ) {
+	case 10:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 477 "hb-ot-shaper-indic-machine.hh"
+	}
+
+	_keys = _indic_syllable_machine_trans_keys + (cs<<1);
+	_inds = _indic_syllable_machine_indicies + _indic_syllable_machine_index_offsets[cs];
+
+	_slen = _indic_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].indic_category()) &&
+		( info[p].indic_category()) <= _keys[1] ?
+		( info[p].indic_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _indic_syllable_machine_trans_targs[_trans];
+
+	if ( _indic_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _indic_syllable_machine_trans_actions[_trans] ) {
+	case 2:
+#line 1 "NONE"
+	{te = p+1;}
+	break;
+	case 11:
+#line 114 "hb-ot-shaper-indic-machine.rl"
+	{te = p+1;{ found_syllable (indic_non_indic_cluster); }}
+	break;
+	case 13:
+#line 109 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_consonant_syllable); }}
+	break;
+	case 14:
+#line 110 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_vowel_syllable); }}
+	break;
+	case 17:
+#line 111 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_standalone_cluster); }}
+	break;
+	case 19:
+#line 112 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_symbol_cluster); }}
+	break;
+	case 15:
+#line 113 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 16:
+#line 114 "hb-ot-shaper-indic-machine.rl"
+	{te = p;p--;{ found_syllable (indic_non_indic_cluster); }}
+	break;
+	case 1:
+#line 109 "hb-ot-shaper-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (indic_consonant_syllable); }}
+	break;
+	case 3:
+#line 110 "hb-ot-shaper-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (indic_vowel_syllable); }}
+	break;
+	case 7:
+#line 111 "hb-ot-shaper-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (indic_standalone_cluster); }}
+	break;
+	case 8:
+#line 112 "hb-ot-shaper-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (indic_symbol_cluster); }}
+	break;
+	case 4:
+#line 113 "hb-ot-shaper-indic-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (indic_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 6:
+#line 1 "NONE"
+	{	switch( act ) {
+	case 1:
+	{{p = ((te))-1;} found_syllable (indic_consonant_syllable); }
+	break;
+	case 5:
+	{{p = ((te))-1;} found_syllable (indic_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }
+	break;
+	case 6:
+	{{p = ((te))-1;} found_syllable (indic_non_indic_cluster); }
+	break;
+	}
+	}
+	break;
+	case 18:
+#line 1 "NONE"
+	{te = p+1;}
+#line 109 "hb-ot-shaper-indic-machine.rl"
+	{act = 1;}
+	break;
+	case 5:
+#line 1 "NONE"
+	{te = p+1;}
+#line 113 "hb-ot-shaper-indic-machine.rl"
+	{act = 5;}
+	break;
+	case 12:
+#line 1 "NONE"
+	{te = p+1;}
+#line 114 "hb-ot-shaper-indic-machine.rl"
+	{act = 6;}
+	break;
+#line 559 "hb-ot-shaper-indic-machine.hh"
+	}
+
+_again:
+	switch ( _indic_syllable_machine_to_state_actions[cs] ) {
+	case 9:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 566 "hb-ot-shaper-indic-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _indic_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _indic_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 146 "hb-ot-shaper-indic-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPER_INDIC_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-table.cc
new file mode 100644
index 0000000000..d9fb0510e4
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic-table.cc
@@ -0,0 +1,561 @@
+/* == Start of generated table == */
+/*
+ * The following table is generated by running:
+ *
+ *   ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt
+ *
+ * on files with these headers:
+ *
+ * # IndicSyllabicCategory-15.0.0.txt
+ * # Date: 2022-05-26, 02:18:00 GMT [KW, RP]
+ * # IndicPositionalCategory-15.0.0.txt
+ * # Date: 2022-05-26, 02:18:00 GMT [KW, RP]
+ * # Blocks-15.0.0.txt
+ * # Date: 2022-01-28, 20:58:00 GMT [KW]
+ */
+
+#include "hb.hh"
+
+#ifndef HB_NO_OT_SHAPE
+
+#include "hb-ot-shaper-indic.hh"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-macros"
+
+#include "hb-ot-shaper-indic-machine.hh"
+#include "hb-ot-shaper-khmer-machine.hh"
+#include "hb-ot-shaper-myanmar-machine.hh"
+
+/* indic */
+#define OT_X I_Cat(X)
+#define OT_C I_Cat(C)
+#define OT_V I_Cat(V)
+#define OT_N I_Cat(N)
+#define OT_H I_Cat(H)
+#define OT_ZWNJ I_Cat(ZWNJ)
+#define OT_ZWJ I_Cat(ZWJ)
+#define OT_M I_Cat(M)
+#define OT_SM I_Cat(SM)
+#define OT_A I_Cat(A)
+#define OT_VD I_Cat(VD)
+#define OT_PLACEHOLDER I_Cat(PLACEHOLDER)
+#define OT_DOTTEDCIRCLE I_Cat(DOTTEDCIRCLE)
+#define OT_RS I_Cat(RS)
+#define OT_MPst I_Cat(MPst)
+#define OT_Repha I_Cat(Repha)
+#define OT_Ra I_Cat(Ra)
+#define OT_CM I_Cat(CM)
+#define OT_Symbol I_Cat(Symbol)
+#define OT_CS I_Cat(CS)
+/* khmer */
+#define OT_VAbv K_Cat(VAbv)
+#define OT_VBlw K_Cat(VBlw)
+#define OT_VPre K_Cat(VPre)
+#define OT_VPst K_Cat(VPst)
+#define OT_Robatic K_Cat(Robatic)
+#define OT_Xgroup K_Cat(Xgroup)
+#define OT_Ygroup K_Cat(Ygroup)
+/* myanmar */
+static_assert (OT_VAbv == M_Cat(VAbv), "");
+static_assert (OT_VBlw == M_Cat(VBlw), "");
+static_assert (OT_VPre == M_Cat(VPre), "");
+static_assert (OT_VPst == M_Cat(VPst), "");
+#define OT_IV M_Cat(IV)
+#define OT_As M_Cat(As)
+#define OT_DB M_Cat(DB)
+#define OT_GB M_Cat(GB)
+#define OT_MH M_Cat(MH)
+#define OT_MR M_Cat(MR)
+#define OT_MW M_Cat(MW)
+#define OT_MY M_Cat(MY)
+#define OT_PT M_Cat(PT)
+#define OT_VS M_Cat(VS)
+#define OT_ML M_Cat(ML)
+
+
+#define _OT_A    OT_A            /*  53 chars; A */
+#define _OT_As   OT_As           /*   1 chars; As */
+#define _OT_C    OT_C            /* 478 chars; C */
+#define _OT_CM   OT_CM           /*   1 chars; CM */
+#define _OT_CS   OT_CS           /*   2 chars; CS */
+#define _OT_DC   OT_DOTTEDCIRCLE /*   1 chars; DOTTEDCIRCLE */
+#define _OT_H    OT_H            /*  11 chars; H */
+#define _OT_M    OT_M            /* 142 chars; M */
+#define _OT_MH   OT_MH           /*   1 chars; MH */
+#define _OT_ML   OT_ML           /*   1 chars; ML */
+#define _OT_MP   OT_MPst         /*   1 chars; MPst */
+#define _OT_MR   OT_MR           /*   1 chars; MR */
+#define _OT_MW   OT_MW           /*   2 chars; MW */
+#define _OT_MY   OT_MY           /*   3 chars; MY */
+#define _OT_N    OT_N            /*  17 chars; N */
+#define _OT_GB   OT_PLACEHOLDER  /* 165 chars; PLACEHOLDER */
+#define _OT_PT   OT_PT           /*   8 chars; PT */
+#define _OT_R    OT_Ra           /*  14 chars; Ra */
+#define _OT_Rf   OT_Repha        /*   1 chars; Repha */
+#define _OT_Rt   OT_Robatic      /*   3 chars; Robatic */
+#define _OT_SM   OT_SM           /*  56 chars; SM */
+#define _OT_S    OT_Symbol       /*  22 chars; Symbol */
+#define _OT_V    OT_V            /* 172 chars; V */
+#define _OT_VA   OT_VAbv         /*  18 chars; VAbv */
+#define _OT_VB   OT_VBlw         /*   7 chars; VBlw */
+#define _OT_VL   OT_VPre         /*   5 chars; VPre */
+#define _OT_VR   OT_VPst         /*  13 chars; VPst */
+#define _OT_VS   OT_VS           /*  16 chars; VS */
+#define _OT_X    OT_X            /*   2 chars; X */
+#define _OT_Xg   OT_Xgroup       /*   7 chars; Xgroup */
+#define _OT_Yg   OT_Ygroup       /*   4 chars; Ygroup */
+#define _OT_ZWJ  OT_ZWJ          /*   1 chars; ZWJ */
+#define _OT_ZWNJ OT_ZWNJ         /*   1 chars; ZWNJ */
+
+#define _POS_T   POS_ABOVE_C     /*  22 chars; ABOVE_C */
+#define _POS_A   POS_AFTER_MAIN  /*   3 chars; AFTER_MAIN */
+#define _POS_AP  POS_AFTER_POST  /*  50 chars; AFTER_POST */
+#define _POS_AS  POS_AFTER_SUB   /*  51 chars; AFTER_SUB */
+#define _POS_C   POS_BASE_C      /* 833 chars; BASE_C */
+#define _POS_BS  POS_BEFORE_SUB  /*  25 chars; BEFORE_SUB */
+#define _POS_B   POS_BELOW_C     /*  13 chars; BELOW_C */
+#define _POS_X   POS_END         /*  71 chars; END */
+#define _POS_R   POS_POST_C      /*  13 chars; POST_C */
+#define _POS_L   POS_PRE_C       /*   5 chars; PRE_C */
+#define _POS_LM  POS_PRE_M       /*  14 chars; PRE_M */
+#define _POS_SM  POS_SMVD        /* 130 chars; SMVD */
+
+#pragma GCC diagnostic pop
+
+#define INDIC_COMBINE_CATEGORIES(S,M) ((S) | ((M) << 8))
+
+#define _(S,M) INDIC_COMBINE_CATEGORIES (_OT_##S, _POS_##M)
+
+
+static const uint16_t indic_table[] = {
+
+
+#define indic_offset_0x0028u 0
+
+
+  /* Basic Latin */
+
+  /* 0028 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(GB,C),  _(X,X),  _(X,X),
+  /* 0030 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0038 */ _(GB,C), _(GB,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x00b0u 24
+
+
+  /* Latin-1 Supplement */
+
+  /* 00B0 */  _(X,X),  _(X,X),_(SM,SM),_(SM,SM),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 00B8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 00C0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 00C8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 00D0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(GB,C),
+
+#define indic_offset_0x0900u 64
+
+
+  /* Devanagari */
+
+  /* 0900 */_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 0908 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 0910 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0918 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0920 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0928 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0930 */  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0938 */  _(C,C),  _(C,C), _(M,AS), _(M,AS),  _(N,X), _(S,SM), _(M,AS), _(M,LM),
+  /* 0940 */ _(M,AS), _(M,AS), _(M,AS), _(M,AS), _(M,AS), _(M,AS), _(M,AS), _(M,AS),
+  /* 0948 */ _(M,AS), _(M,AS), _(M,AS), _(M,AS), _(M,AS),  _(H,B), _(M,LM), _(M,AS),
+  /* 0950 */  _(X,X), _(A,SM), _(A,SM),_(SM,SM),_(SM,SM), _(M,AS), _(M,AS), _(M,AS),
+  /* 0958 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0960 */  _(V,C),  _(V,C), _(M,AS), _(M,AS),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0968 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0970 */  _(X,X),  _(X,X),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 0978 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+
+  /* Bengali */
+
+  /* 0980 */ _(GB,C),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0988 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(X,X),  _(V,C),
+  /* 0990 */  _(V,C),  _(X,X),  _(X,X),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0998 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 09A0 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 09A8 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 09B0 */  _(R,C),  _(X,X),  _(C,C),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),
+  /* 09B8 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X), _(S,SM), _(M,AP), _(M,LM),
+  /* 09C0 */ _(M,AP), _(M,AS), _(M,AS), _(M,AS), _(M,AS),  _(X,X),  _(X,X), _(M,LM),
+  /* 09C8 */ _(M,LM),  _(X,X),  _(X,X), _(M,AP), _(M,AP),  _(H,B),  _(C,C),  _(X,X),
+  /* 09D0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,AP),
+  /* 09D8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),
+  /* 09E0 */  _(V,C),  _(V,C), _(M,AS), _(M,AS),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 09E8 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 09F0 */  _(R,C),  _(C,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 09F8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(GB,C),  _(X,X),_(SM,SM),  _(X,X),
+
+  /* Gurmukhi */
+
+  /* 0A00 */  _(X,X),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0A08 */  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(V,C),
+  /* 0A10 */  _(V,C),  _(X,X),  _(X,X),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0A18 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0A20 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0A28 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0A30 */  _(R,C),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(X,X),
+  /* 0A38 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X),  _(X,X), _(M,AP), _(M,LM),
+  /* 0A40 */_(MP,AP), _(M,AP), _(M,AP),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,AP),
+  /* 0A48 */ _(M,AP),  _(X,X),  _(X,X), _(M,AP), _(M,AP),  _(H,B),  _(X,X),  _(X,X),
+  /* 0A50 */  _(X,X),  _(M,B),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0A58 */  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(X,X),
+  /* 0A60 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0A68 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0A70 */_(SM,SM),_(SM,SM),  _(C,C),  _(C,C),  _(X,X), _(CM,C),  _(X,X),  _(X,X),
+  /* 0A78 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+  /* Gujarati */
+
+  /* 0A80 */  _(X,X),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0A88 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(V,C),
+  /* 0A90 */  _(V,C),  _(V,C),  _(X,X),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0A98 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0AA0 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0AA8 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0AB0 */  _(R,C),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),
+  /* 0AB8 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X), _(S,SM), _(M,AP), _(M,LM),
+  /* 0AC0 */ _(M,AP), _(M,AP), _(M,AP), _(M,AP), _(M,AP), _(M,AS),  _(X,X), _(M,AS),
+  /* 0AC8 */ _(M,AS), _(M,AP),  _(X,X), _(M,AP), _(M,AP),  _(H,B),  _(X,X),  _(X,X),
+  /* 0AD0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0AD8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0AE0 */  _(V,C),  _(V,C), _(M,AP), _(M,AP),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0AE8 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0AF0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0AF8 */  _(X,X),  _(C,C), _(A,SM),  _(N,X), _(A,SM),  _(N,X),  _(N,X),  _(N,X),
+
+  /* Oriya */
+
+  /* 0B00 */  _(X,X),_(SM,BS),_(SM,SM),_(SM,SM),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0B08 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(X,X),  _(V,C),
+  /* 0B10 */  _(V,C),  _(X,X),  _(X,X),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0B18 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0B20 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0B28 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0B30 */  _(R,C),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),
+  /* 0B38 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X), _(S,SM), _(M,AP),  _(M,A),
+  /* 0B40 */ _(M,AP), _(M,AS), _(M,AS), _(M,AS), _(M,AS),  _(X,X),  _(X,X), _(M,LM),
+  /* 0B48 */  _(M,A),  _(X,X),  _(X,X), _(M,AP), _(M,AP),  _(H,B),  _(X,X),  _(X,X),
+  /* 0B50 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(N,X),  _(M,A), _(M,AP),
+  /* 0B58 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),
+  /* 0B60 */  _(V,C),  _(V,C), _(M,AS), _(M,AS),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0B68 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0B70 */  _(X,X),  _(C,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0B78 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+  /* Tamil */
+
+  /* 0B80 */  _(X,X),  _(X,X),_(SM,SM),  _(X,X),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0B88 */  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(X,X),  _(X,X),  _(V,C),  _(V,C),
+  /* 0B90 */  _(V,C),  _(X,X),  _(V,C),  _(V,C),  _(V,C),  _(C,C),  _(X,X),  _(X,X),
+  /* 0B98 */  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(X,X),  _(C,C),  _(C,C),
+  /* 0BA0 */  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(X,X),
+  /* 0BA8 */  _(C,C),  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),
+  /* 0BB0 */  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0BB8 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,AP), _(M,AP),
+  /* 0BC0 */ _(M,AS), _(M,AP), _(M,AP),  _(X,X),  _(X,X),  _(X,X), _(M,LM), _(M,LM),
+  /* 0BC8 */ _(M,LM),  _(X,X), _(M,AP), _(M,AP), _(M,AP),  _(H,T),  _(X,X),  _(X,X),
+  /* 0BD0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,AP),
+  /* 0BD8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0BE0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0BE8 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0BF0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0BF8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+  /* Telugu */
+
+  /* 0C00 */_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),  _(V,C),  _(V,C),  _(V,C),
+  /* 0C08 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(V,C),  _(V,C),
+  /* 0C10 */  _(V,C),  _(X,X),  _(V,C),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C18 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C20 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C28 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C30 */  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C38 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X), _(S,SM), _(M,BS), _(M,BS),
+  /* 0C40 */ _(M,BS), _(M,BS), _(M,BS), _(M,AS), _(M,AS),  _(X,X), _(M,BS), _(M,BS),
+  /* 0C48 */ _(M,BS),  _(X,X), _(M,BS), _(M,BS), _(M,BS),  _(H,T),  _(X,X),  _(X,X),
+  /* 0C50 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,BS), _(M,BS),  _(X,X),
+  /* 0C58 */  _(C,C),  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(C,C),  _(X,X),  _(X,X),
+  /* 0C60 */  _(V,C),  _(V,C), _(M,BS), _(M,BS),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0C68 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0C70 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0C78 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+  /* Kannada */
+
+  /* 0C80 */ _(GB,C),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(V,C),  _(V,C),  _(V,C),
+  /* 0C88 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(V,C),  _(V,C),
+  /* 0C90 */  _(V,C),  _(X,X),  _(V,C),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0C98 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0CA0 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0CA8 */  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0CB0 */  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(X,X),  _(C,C),  _(C,C),  _(C,C),
+  /* 0CB8 */  _(C,C),  _(C,C),  _(X,X),  _(X,X),  _(N,X), _(S,SM), _(M,BS), _(M,BS),
+  /* 0CC0 */ _(M,BS), _(M,BS), _(M,BS), _(M,AS), _(M,AS),  _(X,X), _(M,BS), _(M,AS),
+  /* 0CC8 */ _(M,AS),  _(X,X), _(M,AS), _(M,AS), _(M,BS),  _(H,T),  _(X,X),  _(X,X),
+  /* 0CD0 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X), _(M,AS), _(M,AS),  _(X,X),
+  /* 0CD8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(X,X),
+  /* 0CE0 */  _(V,C),  _(V,C), _(M,BS), _(M,BS),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0CE8 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0CF0 */  _(X,X), _(CS,C), _(CS,C),_(SM,SM),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0CF8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+  /* Malayalam */
+
+  /* 0D00 */_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM), _(GB,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 0D08 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(V,C),  _(V,C),
+  /* 0D10 */  _(V,C),  _(X,X),  _(V,C),  _(V,C),  _(V,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0D18 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0D20 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0D28 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0D30 */  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 0D38 */  _(C,C),  _(C,C),  _(C,C), _(M,AS), _(M,AS), _(S,SM), _(M,AP), _(M,AP),
+  /* 0D40 */ _(M,AP), _(M,AP), _(M,AP), _(M,AP), _(M,AP),  _(X,X), _(M,LM), _(M,LM),
+  /* 0D48 */ _(M,LM),  _(X,X), _(M,AP), _(M,AP), _(M,AP),  _(H,T), _(Rf,X),  _(X,X),
+  /* 0D50 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(C,C), _(M,AP),
+  /* 0D58 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(V,C),
+  /* 0D60 */  _(V,C),  _(V,C), _(M,AP), _(M,AP),  _(X,X),  _(X,X), _(GB,C), _(GB,C),
+  /* 0D68 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 0D70 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 0D78 */  _(X,X),  _(X,X),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+
+#define indic_offset_0x1000u 1216
+
+
+  /* Myanmar */
+
+  /* 1000 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(R,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1008 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1010 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1018 */  _(C,C),  _(C,C),  _(C,C),  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1020 */  _(C,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 1028 */  _(V,C),  _(V,C),  _(V,C), _(VR,R), _(VR,R), _(VA,T), _(VA,T), _(VB,B),
+  /* 1030 */ _(VB,B), _(VL,L), _(A,SM), _(VA,T), _(VA,T), _(VA,T), _(A,SM),  _(N,X),
+  /* 1038 */_(SM,SM),  _(H,X), _(As,X), _(MY,X), _(MR,X), _(MW,X), _(MH,X),  _(C,C),
+  /* 1040 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 1048 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C),  _(X,X),  _(X,X),  _(C,C),  _(X,X),
+  /* 1050 */  _(C,C),  _(C,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C), _(VR,R), _(VR,R),
+  /* 1058 */ _(VB,B), _(VB,B),  _(R,C),  _(C,C),  _(C,C),  _(C,C), _(MY,X), _(MY,X),
+  /* 1060 */ _(ML,X),  _(C,C), _(VR,R), _(PT,X), _(PT,X),  _(C,C),  _(C,C), _(VR,R),
+  /* 1068 */ _(VR,R), _(PT,X), _(PT,X), _(PT,X), _(PT,X), _(PT,X),  _(C,C),  _(C,C),
+  /* 1070 */  _(C,C), _(VA,T), _(VA,T), _(VA,T), _(VA,T),  _(C,C),  _(C,C),  _(C,C),
+  /* 1078 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1080 */  _(C,C),  _(C,C), _(MW,X), _(VR,R), _(VL,L), _(VA,T), _(VA,T),_(SM,SM),
+  /* 1088 */_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),_(SM,SM),  _(C,C),_(SM,SM),
+  /* 1090 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 1098 */ _(GB,C), _(GB,C),_(SM,SM),_(SM,SM),_(SM,SM), _(VA,T),  _(X,X),  _(X,X),
+
+#define indic_offset_0x1780u 1376
+
+
+  /* Khmer */
+
+  /* 1780 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1788 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1790 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 1798 */  _(C,C),  _(C,C),  _(R,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* 17A0 */  _(C,C),  _(C,C),  _(C,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 17A8 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(V,C),
+  /* 17B0 */  _(V,C),  _(V,C),  _(V,C),  _(V,C),  _(X,X),  _(X,X), _(VR,R), _(VA,T),
+  /* 17B8 */ _(VA,T), _(VA,T), _(VA,T), _(VB,B), _(VB,B), _(VB,B), _(VA,T), _(VR,R),
+  /* 17C0 */ _(VR,R), _(VL,L), _(VL,L), _(VL,L), _(VR,R), _(VR,R), _(Xg,X), _(Yg,X),
+  /* 17C8 */ _(Yg,X), _(Rt,X), _(Rt,X), _(Xg,X), _(Rt,X), _(Xg,X), _(Xg,X), _(Xg,X),
+  /* 17D0 */ _(Xg,X), _(Xg,X),  _(H,X), _(Yg,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 17D8 */  _(X,X), _(GB,C),  _(X,X),  _(X,X), _(S,SM), _(Yg,X),  _(X,X),  _(X,X),
+  /* 17E0 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* 17E8 */ _(GB,C), _(GB,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x1cd0u 1488
+
+
+  /* Vedic Extensions */
+
+  /* 1CD0 */ _(A,SM), _(A,SM), _(A,SM),  _(X,X), _(A,SM), _(A,SM), _(A,SM), _(A,SM),
+  /* 1CD8 */ _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM),
+  /* 1CE0 */ _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM),
+  /* 1CE8 */ _(A,SM), _(S,SM), _(S,SM), _(S,SM), _(S,SM), _(A,SM), _(S,SM), _(S,SM),
+  /* 1CF0 */ _(S,SM), _(S,SM),  _(C,C),  _(C,C), _(A,SM),  _(C,C),  _(C,C), _(A,SM),
+  /* 1CF8 */ _(A,SM), _(A,SM), _(GB,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x2008u 1536
+
+
+  /* General Punctuation */
+
+  /* 2008 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),_(ZWNJ,X),_(ZWJ,X),  _(X,X),  _(X,X),
+  /* 2010 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),  _(X,X),  _(X,X),
+  /* 2018 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 2020 */  _(X,X),  _(X,X), _(GB,C),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x2070u 1568
+
+
+  /* Superscripts and Subscripts */
+
+  /* 2070 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),_(SM,SM),  _(X,X),  _(X,X),  _(X,X),
+  /* 2078 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+  /* 2080 */  _(X,X),  _(X,X),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x25f8u 1592
+
+
+  /* Geometric Shapes */
+
+  /* 25F8 */  _(X,X),  _(X,X),  _(X,X), _(GB,C), _(GB,C), _(GB,C), _(GB,C),  _(X,X),
+
+#define indic_offset_0xa8e0u 1600
+
+
+  /* Devanagari Extended */
+
+  /* A8E0 */ _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM),
+  /* A8E8 */ _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM), _(A,SM),
+  /* A8F0 */ _(A,SM), _(A,SM), _(S,SM), _(S,SM), _(S,SM), _(S,SM), _(S,SM), _(S,SM),
+  /* A8F8 */  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(X,X),  _(V,C), _(M,AS),
+
+#define indic_offset_0xa9e0u 1632
+
+
+  /* Myanmar Extended-B */
+
+  /* A9E0 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C), _(VA,T),  _(X,X),  _(C,C),
+  /* A9E8 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* A9F0 */ _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C), _(GB,C),
+  /* A9F8 */ _(GB,C), _(GB,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(X,X),
+
+#define indic_offset_0xaa60u 1664
+
+
+  /* Myanmar Extended-A */
+
+  /* AA60 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* AA68 */  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),  _(C,C),
+  /* AA70 */  _(X,X),  _(C,C),  _(C,C),  _(C,C), _(GB,C), _(GB,C), _(GB,C),  _(X,X),
+  /* AA78 */  _(X,X),  _(X,X),  _(C,C), _(PT,X),  _(N,X),  _(N,X),  _(C,C),  _(C,C),
+
+#define indic_offset_0xfe00u 1696
+
+
+  /* Variation Selectors */
+
+  /* FE00 */ _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X),
+  /* FE08 */ _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X), _(VS,X),
+
+#define indic_offset_0x11300u 1712
+
+
+  /* Grantha */
+
+  /* 11300 */  _(X,X),_(SM,SM),_(SM,SM),_(SM,SM),  _(X,X),  _(X,X),  _(X,X),  _(X,X),
+
+#define indic_offset_0x11338u 1720
+
+  /* 11338 */  _(X,X),  _(X,X),  _(X,X),  _(N,X),  _(N,X),  _(X,X),  _(X,X),  _(X,X),
+
+}; /* Table items: 1728; occupancy: 71% */
+
+uint16_t
+hb_indic_get_categories (hb_codepoint_t u)
+{
+  switch (u >> 12)
+  {
+    case 0x0u:
+      if (unlikely (u == 0x00A0u)) return _(GB,C);
+      if (hb_in_range<hb_codepoint_t> (u, 0x0028u, 0x003Fu)) return indic_table[u - 0x0028u + indic_offset_0x0028u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x00B0u, 0x00D7u)) return indic_table[u - 0x00B0u + indic_offset_0x00b0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x0900u, 0x0D7Fu)) return indic_table[u - 0x0900u + indic_offset_0x0900u];
+      break;
+
+    case 0x1u:
+      if (hb_in_range<hb_codepoint_t> (u, 0x1000u, 0x109Fu)) return indic_table[u - 0x1000u + indic_offset_0x1000u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1780u, 0x17EFu)) return indic_table[u - 0x1780u + indic_offset_0x1780u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x1CD0u, 0x1CFFu)) return indic_table[u - 0x1CD0u + indic_offset_0x1cd0u];
+      break;
+
+    case 0x2u:
+      if (unlikely (u == 0x25CCu)) return _(DC,C);
+      if (hb_in_range<hb_codepoint_t> (u, 0x2008u, 0x2027u)) return indic_table[u - 0x2008u + indic_offset_0x2008u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x2070u, 0x2087u)) return indic_table[u - 0x2070u + indic_offset_0x2070u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x25F8u, 0x25FFu)) return indic_table[u - 0x25F8u + indic_offset_0x25f8u];
+      break;
+
+    case 0xAu:
+      if (hb_in_range<hb_codepoint_t> (u, 0xA8E0u, 0xA8FFu)) return indic_table[u - 0xA8E0u + indic_offset_0xa8e0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xA9E0u, 0xA9FFu)) return indic_table[u - 0xA9E0u + indic_offset_0xa9e0u];
+      if (hb_in_range<hb_codepoint_t> (u, 0xAA60u, 0xAA7Fu)) return indic_table[u - 0xAA60u + indic_offset_0xaa60u];
+      break;
+
+    case 0xFu:
+      if (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)) return indic_table[u - 0xFE00u + indic_offset_0xfe00u];
+      break;
+
+    case 0x11u:
+      if (hb_in_range<hb_codepoint_t> (u, 0x11300u, 0x11307u)) return indic_table[u - 0x11300u + indic_offset_0x11300u];
+      if (hb_in_range<hb_codepoint_t> (u, 0x11338u, 0x1133Fu)) return indic_table[u - 0x11338u + indic_offset_0x11338u];
+      break;
+
+    default:
+      break;
+  }
+  return _(X,X);
+}
+
+#undef _
+#undef INDIC_COMBINE_CATEGORIES
+
+#undef _OT_A
+#undef _OT_As
+#undef _OT_C
+#undef _OT_CM
+#undef _OT_CS
+#undef _OT_DC
+#undef _OT_H
+#undef _OT_M
+#undef _OT_MH
+#undef _OT_ML
+#undef _OT_MP
+#undef _OT_MR
+#undef _OT_MW
+#undef _OT_MY
+#undef _OT_N
+#undef _OT_GB
+#undef _OT_PT
+#undef _OT_R
+#undef _OT_Rf
+#undef _OT_Rt
+#undef _OT_SM
+#undef _OT_S
+#undef _OT_V
+#undef _OT_VA
+#undef _OT_VB
+#undef _OT_VL
+#undef _OT_VR
+#undef _OT_VS
+#undef _OT_X
+#undef _OT_Xg
+#undef _OT_Yg
+#undef _OT_ZWJ
+#undef _OT_ZWNJ
+
+#undef _POS_T
+#undef _POS_A
+#undef _POS_AP
+#undef _POS_AS
+#undef _POS_C
+#undef _POS_BS
+#undef _POS_B
+#undef _POS_X
+#undef _POS_R
+#undef _POS_L
+#undef _POS_LM
+#undef _POS_SM
+
+#endif
+
+/* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic.cc
index c80f7df6a9..7652210d9d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-indic.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic.cc
@@ -28,9 +28,9 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-indic.hh"
-#include "hb-ot-shape-complex-indic-machine.hh"
-#include "hb-ot-shape-complex-vowel-constraints.hh"
+#include "hb-ot-shaper-indic.hh"
+#include "hb-ot-shaper-indic-machine.hh"
+#include "hb-ot-shaper-vowel-constraints.hh"
 #include "hb-ot-layout.hh"
 
 
@@ -39,6 +39,79 @@
  */
 
 
+static inline void
+set_indic_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+
+  info.indic_category() = (indic_category_t) (type & 0xFFu);
+  info.indic_position() = (indic_position_t) (type >> 8);
+}
+
+
+static inline bool
+is_one_of (const hb_glyph_info_t &info, unsigned int flags)
+{
+  /* If it ligated, all bets are off. */
+  if (_hb_glyph_info_ligated (&info)) return false;
+  return !!(FLAG_UNSAFE (info.indic_category()) & flags);
+}
+
+/* Note:
+ *
+ * We treat Vowels and placeholders as if they were consonants.  This is safe because Vowels
+ * cannot happen in a consonant syllable.  The plus side however is, we can call the
+ * consonant syllable logic from the vowel syllable function and get it all right!
+ *
+ * Keep in sync with consonant_categories in the generator. */
+#define CONSONANT_FLAGS_INDIC (FLAG (I_Cat(C)) | FLAG (I_Cat(CS)) | FLAG (I_Cat(Ra)) | FLAG (I_Cat(CM)) | FLAG (I_Cat(V)) | FLAG (I_Cat(PLACEHOLDER)) | FLAG (I_Cat(DOTTEDCIRCLE)))
+
+static inline bool
+is_consonant (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, CONSONANT_FLAGS_INDIC);
+}
+
+#define JOINER_FLAGS (FLAG (I_Cat(ZWJ)) | FLAG (I_Cat(ZWNJ)))
+
+static inline bool
+is_joiner (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, JOINER_FLAGS);
+}
+
+static inline bool
+is_halant (const hb_glyph_info_t &info)
+{
+  return is_one_of (info, FLAG (I_Cat(H)));
+}
+
+struct hb_indic_would_substitute_feature_t
+{
+  void init (const hb_ot_map_t *map, hb_tag_t feature_tag, bool zero_context_)
+  {
+    zero_context = zero_context_;
+    lookups = map->get_stage_lookups (0/*GSUB*/,
+				      map->get_feature_stage (0/*GSUB*/, feature_tag));
+  }
+
+  bool would_substitute (const hb_codepoint_t *glyphs,
+			 unsigned int          glyphs_count,
+			 hb_face_t            *face) const
+  {
+    for (const auto &lookup : lookups)
+      if (hb_ot_layout_lookup_would_substitute (face, lookup.index, glyphs, glyphs_count, zero_context))
+	return true;
+    return false;
+  }
+
+  private:
+  hb_array_t<const hb_ot_map_t::lookup_map_t> lookups;
+  bool zero_context;
+};
+
+
 /*
  * Indic configurations.  Note that we do not want to keep every single script-specific
  * behavior in these tables necessarily.  This should mainly be used for per-script
@@ -47,10 +120,6 @@
  * instead of adding a new flag in these structs.
  */
 
-enum base_position_t {
-  BASE_POS_LAST_SINHALA,
-  BASE_POS_LAST
-};
 enum reph_position_t {
   REPH_POS_AFTER_MAIN  = POS_AFTER_MAIN,
   REPH_POS_BEFORE_SUB  = POS_BEFORE_SUB,
@@ -72,7 +141,6 @@ struct indic_config_t
   hb_script_t     script;
   bool            has_old_spec;
   hb_codepoint_t  virama;
-  base_position_t base_pos;
   reph_position_t reph_pos;
   reph_mode_t     reph_mode;
   blwf_mode_t     blwf_mode;
@@ -81,26 +149,19 @@ struct indic_config_t
 static const indic_config_t indic_configs[] =
 {
   /* Default.  Should be first. */
-  {HB_SCRIPT_INVALID,	false,      0,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_DEVANAGARI,true, 0x094Du,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_BENGALI,	true, 0x09CDu,BASE_POS_LAST, REPH_POS_AFTER_SUB,  REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_GURMUKHI,	true, 0x0A4Du,BASE_POS_LAST, REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_GUJARATI,	true, 0x0ACDu,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_ORIYA,	true, 0x0B4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_TAMIL,	true, 0x0BCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_TELUGU,	true, 0x0C4Du,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY},
-  {HB_SCRIPT_KANNADA,	true, 0x0CCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY},
-  {HB_SCRIPT_MALAYALAM,	true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
-  {HB_SCRIPT_SINHALA,	false,0x0DCAu,BASE_POS_LAST_SINHALA,
-						     REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_INVALID,	false,      0,REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_DEVANAGARI,true, 0x094Du,REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_BENGALI,	true, 0x09CDu,REPH_POS_AFTER_SUB,  REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_GURMUKHI,	true, 0x0A4Du,REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_GUJARATI,	true, 0x0ACDu,REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_ORIYA,	true, 0x0B4Du,REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_TAMIL,	true, 0x0BCDu,REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+  {HB_SCRIPT_TELUGU,	true, 0x0C4Du,REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY},
+  {HB_SCRIPT_KANNADA,	true, 0x0CCDu,REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY},
+  {HB_SCRIPT_MALAYALAM,	true, 0x0D4Du,REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
 };
 
 
-
-/*
- * Indic shaper.
- */
-
 static const hb_ot_map_feature_t
 indic_features[] =
 {
@@ -162,15 +223,15 @@ enum {
   INDIC_BASIC_FEATURES = INDIC_INIT, /* Don't forget to update this! */
 };
 
-static void
+static bool
 setup_syllables_indic (const hb_ot_shape_plan_t *plan,
 		       hb_font_t *font,
 		       hb_buffer_t *buffer);
-static void
+static bool
 initial_reordering_indic (const hb_ot_shape_plan_t *plan,
 			  hb_font_t *font,
 			  hb_buffer_t *buffer);
-static void
+static bool
 final_reordering_indic (const hb_ot_shape_plan_t *plan,
 			hb_font_t *font,
 			hb_buffer_t *buffer);
@@ -207,6 +268,7 @@ static void
 override_features_indic (hb_ot_shape_planner_t *plan)
 {
   plan->map.disable_feature (HB_TAG('l','i','g','a'));
+  plan->map.add_gsub_pause (hb_syllabic_clear_var); // Don't need syllables anymore, use stop to free buffer var
 }
 
 
@@ -214,7 +276,7 @@ struct indic_shape_plan_t
 {
   bool load_virama_glyph (hb_font_t *font, hb_codepoint_t *pglyph) const
   {
-    hb_codepoint_t glyph = virama_glyph.get_relaxed ();
+    hb_codepoint_t glyph = virama_glyph;
     if (unlikely (glyph == (hb_codepoint_t) -1))
     {
       if (!config->virama || !font->get_nominal_glyph (config->virama, &glyph))
@@ -224,7 +286,7 @@ struct indic_shape_plan_t
 
       /* Our get_nominal_glyph() function needs a font, so we can't get the virama glyph
        * during shape planning...  Instead, overwrite it here. */
-      virama_glyph.set_relaxed ((int) glyph);
+      virama_glyph = (int) glyph;
     }
 
     *pglyph = glyph;
@@ -268,7 +330,7 @@ data_create_indic (const hb_ot_shape_plan_t *plan)
 #ifndef HB_NO_UNISCRIBE_BUG_COMPATIBLE
   indic_plan->uniscribe_bug_compatible = hb_options ().uniscribe_bug_compatible;
 #endif
-  indic_plan->virama_glyph.set_relaxed (-1);
+  indic_plan->virama_glyph = -1;
 
   /* Use zero-context would_substitute() matching for new-spec of the main
    * Indic scripts, and scripts with one spec only, but not for old-specs.
@@ -351,14 +413,16 @@ setup_masks_indic (const hb_ot_shape_plan_t *plan HB_UNUSED,
     set_indic_properties (info[i]);
 }
 
-static void
+static bool
 setup_syllables_indic (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		       hb_font_t *font HB_UNUSED,
 		       hb_buffer_t *buffer)
 {
+  HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
   find_syllables_indic (buffer);
   foreach_syllable (buffer, start, end)
     buffer->unsafe_to_break (start, end);
+  return false;
 }
 
 static int
@@ -367,7 +431,7 @@ compare_indic_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
   int a = pa->indic_position();
   int b = pb->indic_position();
 
-  return a < b ? -1 : a == b ? 0 : +1;
+  return (int) a - (int) b;
 }
 
 
@@ -379,9 +443,6 @@ update_consonant_positions_indic (const hb_ot_shape_plan_t *plan,
 {
   const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) plan->data;
 
-  if (indic_plan->config->base_pos != BASE_POS_LAST)
-    return;
-
   hb_codepoint_t virama;
   if (indic_plan->load_virama_glyph (font, &virama))
   {
@@ -416,9 +477,9 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
    */
   if (buffer->props.script == HB_SCRIPT_KANNADA &&
       start + 3 <= end &&
-      is_one_of (info[start  ], FLAG (OT_Ra)) &&
-      is_one_of (info[start+1], FLAG (OT_H)) &&
-      is_one_of (info[start+2], FLAG (OT_ZWJ)))
+      is_one_of (info[start  ], FLAG (I_Cat(Ra))) &&
+      is_one_of (info[start+1], FLAG (I_Cat(H))) &&
+      is_one_of (info[start+2], FLAG (I_Cat(ZWJ))))
   {
     buffer->merge_clusters (start+1, start+3);
     hb_glyph_info_t tmp = info[start+1];
@@ -452,7 +513,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	start + 3 <= end &&
 	(
 	 (indic_plan->config->reph_mode == REPH_MODE_IMPLICIT && !is_joiner (info[start + 2])) ||
-	 (indic_plan->config->reph_mode == REPH_MODE_EXPLICIT && info[start + 2].indic_category() == OT_ZWJ)
+	 (indic_plan->config->reph_mode == REPH_MODE_EXPLICIT && info[start + 2].indic_category() == I_Cat(ZWJ))
 	))
     {
       /* See if it matches the 'rphf' feature. */
@@ -470,7 +531,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	base = start;
 	has_reph = true;
       }
-    } else if (indic_plan->config->reph_mode == REPH_MODE_LOG_REPHA && info[start].indic_category() == OT_Repha)
+    } else if (indic_plan->config->reph_mode == REPH_MODE_LOG_REPHA && info[start].indic_category() == I_Cat(Repha))
     {
 	limit += 1;
 	while (limit < end && is_joiner (info[limit]))
@@ -479,84 +540,51 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	has_reph = true;
     }
 
-    switch (indic_plan->config->base_pos)
     {
-      case BASE_POS_LAST:
-      {
-	/* -> starting from the end of the syllable, move backwards */
-	unsigned int i = end;
-	bool seen_below = false;
-	do {
-	  i--;
-	  /* -> until a consonant is found */
-	  if (is_consonant (info[i]))
+      /* -> starting from the end of the syllable, move backwards */
+      unsigned int i = end;
+      bool seen_below = false;
+      do {
+	i--;
+	/* -> until a consonant is found */
+	if (is_consonant (info[i]))
+	{
+	  /* -> that does not have a below-base or post-base form
+	   * (post-base forms have to follow below-base forms), */
+	  if (info[i].indic_position() != POS_BELOW_C &&
+	      (info[i].indic_position() != POS_POST_C || seen_below))
 	  {
-	    /* -> that does not have a below-base or post-base form
-	     * (post-base forms have to follow below-base forms), */
-	    if (info[i].indic_position() != POS_BELOW_C &&
-		(info[i].indic_position() != POS_POST_C || seen_below))
-	    {
-	      base = i;
-	      break;
-	    }
-	    if (info[i].indic_position() == POS_BELOW_C)
-	      seen_below = true;
-
-	    /* -> or that is not a pre-base-reordering Ra,
-	     *
-	     * IMPLEMENTATION NOTES:
-	     *
-	     * Our pre-base-reordering Ra's are marked POS_POST_C, so will be skipped
-	     * by the logic above already.
-	     */
-
-	    /* -> or arrive at the first consonant. The consonant stopped at will
-	     * be the base. */
 	    base = i;
+	    break;
 	  }
-	  else
-	  {
-	    /* A ZWJ after a Halant stops the base search, and requests an explicit
-	     * half form.
-	     * A ZWJ before a Halant, requests a subjoined form instead, and hence
-	     * search continues.  This is particularly important for Bengali
-	     * sequence Ra,H,Ya that should form Ya-Phalaa by subjoining Ya. */
-	    if (start < i &&
-		info[i].indic_category() == OT_ZWJ &&
-		info[i - 1].indic_category() == OT_H)
-	      break;
-	  }
-	} while (i > limit);
-      }
-      break;
+	  if (info[i].indic_position() == POS_BELOW_C)
+	    seen_below = true;
 
-      case BASE_POS_LAST_SINHALA:
-      {
-	/* Sinhala base positioning is slightly different from main Indic, in that:
-	 * 1. Its ZWJ behavior is different,
-	 * 2. We don't need to look into the font for consonant positions.
-	 */
-
-	if (!has_reph)
-	  base = limit;
-
-	/* Find the last base consonant that is not blocked by ZWJ.  If there is
-	 * a ZWJ right before a base consonant, that would request a subjoined form. */
-	for (unsigned int i = limit; i < end; i++)
-	  if (is_consonant (info[i]))
-	  {
-	    if (limit < i && info[i - 1].indic_category() == OT_ZWJ)
-	      break;
-	    else
-	      base = i;
-	  }
+	  /* -> or that is not a pre-base-reordering Ra,
+	   *
+	   * IMPLEMENTATION NOTES:
+	   *
+	   * Our pre-base-reordering Ra's are marked POS_POST_C, so will be skipped
+	   * by the logic above already.
+	   */
 
-	/* Mark all subsequent consonants as below. */
-	for (unsigned int i = base + 1; i < end; i++)
-	  if (is_consonant (info[i]))
-	    info[i].indic_position() = POS_BELOW_C;
-      }
-      break;
+	  /* -> or arrive at the first consonant. The consonant stopped at will
+	   * be the base. */
+	  base = i;
+	}
+	else
+	{
+	  /* A ZWJ after a Halant stops the base search, and requests an explicit
+	   * half form.
+	   * A ZWJ before a Halant, requests a subjoined form instead, and hence
+	   * search continues.  This is particularly important for Bengali
+	   * sequence Ra,H,Ya that should form Ya-Phalaa by subjoining Ya. */
+	  if (start < i &&
+	      info[i].indic_category() == I_Cat(ZWJ) &&
+	      info[i - 1].indic_category() == I_Cat(H))
+	    break;
+	}
+      } while (i > limit);
     }
 
     /* -> If the syllable starts with Ra + Halant (in a script that has Reph)
@@ -611,18 +639,6 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   if (base < end)
     info[base].indic_position() = POS_BASE_C;
 
-  /* Mark final consonants.  A final consonant is one appearing after a matra.
-   * Happens in Sinhala. */
-  for (unsigned int i = base + 1; i < end; i++)
-    if (info[i].indic_category() == OT_M) {
-      for (unsigned int j = i + 1; j < end; j++)
-	if (is_consonant (info[j])) {
-	 info[j].indic_position() = POS_FINAL_C;
-	 break;
-       }
-      break;
-    }
-
   /* Handle beginning Ra */
   if (has_reph)
     info[start].indic_position() = POS_RA_TO_BECOME_REPH;
@@ -659,14 +675,14 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   {
     bool disallow_double_halants = buffer->props.script == HB_SCRIPT_KANNADA;
     for (unsigned int i = base + 1; i < end; i++)
-      if (info[i].indic_category() == OT_H)
+      if (info[i].indic_category() == I_Cat(H))
       {
 	unsigned int j;
 	for (j = end - 1; j > i; j--)
 	  if (is_consonant (info[j]) ||
-	      (disallow_double_halants && info[j].indic_category() == OT_H))
+	      (disallow_double_halants && info[j].indic_category() == I_Cat(H)))
 	    break;
-	if (info[j].indic_category() != OT_H && j > i) {
+	if (info[j].indic_category() != I_Cat(H) && j > i) {
 	  /* Move Halant to after last consonant. */
 	  hb_glyph_info_t t = info[i];
 	  memmove (&info[i], &info[i + 1], (j - i) * sizeof (info[0]));
@@ -681,20 +697,16 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
     indic_position_t last_pos = POS_START;
     for (unsigned int i = start; i < end; i++)
     {
-      if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | FLAG (OT_H))))
+      if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (I_Cat(N)) | FLAG (I_Cat(RS)) | FLAG (I_Cat(CM)) | FLAG (I_Cat(H)))))
       {
 	info[i].indic_position() = last_pos;
-	if (unlikely (info[i].indic_category() == OT_H &&
+	if (unlikely (info[i].indic_category() == I_Cat(H) &&
 		      info[i].indic_position() == POS_PRE_M))
 	{
 	  /*
 	   * Uniscribe doesn't move the Halant with Left Matra.
-	   * TEST: U+092B,U+093F,U+094DE
-	   * We follow.  This is important for the Sinhala
-	   * U+0DDA split matra since it decomposes to U+0DD9,U+0DCA
-	   * where U+0DD9 is a left matra and U+0DCA is the virama.
-	   * We don't want to move the virama with the left matra.
-	   * TEST: U+0D9A,U+0DDA
+	   * TEST: U+092B,U+093F,U+094D
+	   * We follow.
 	   */
 	  for (unsigned int j = i; j > start; j--)
 	    if (info[j - 1].indic_position() != POS_PRE_M) {
@@ -703,6 +715,9 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	    }
 	}
       } else if (info[i].indic_position() != POS_SMVD) {
+	if (info[i].indic_category() == I_Cat(MPst) &&
+	    i > start && info[i - 1].indic_category() == I_Cat(SM))
+	  info[i - 1].indic_position() = info[i].indic_position();
 	last_pos = (indic_position_t) info[i].indic_position();
       }
     }
@@ -718,7 +733,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 	  if (info[j].indic_position() < POS_SMVD)
 	    info[j].indic_position() = info[i].indic_position();
 	last = i;
-      } else if (info[i].indic_category() == OT_M)
+      } else if (FLAG_UNSAFE (info[i].indic_category()) & (FLAG (I_Cat(M)) | FLAG (I_Cat(MPst))))
 	last = i;
   }
 
@@ -731,14 +746,40 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
 
     /* Sit tight, rock 'n roll! */
     hb_stable_sort (info + start, end - start, compare_indic_order);
-    /* Find base again */
+
+    /* Find base again; also flip left-matra sequence. */
+    unsigned first_left_matra = end;
+    unsigned last_left_matra = end;
     base = end;
     for (unsigned int i = start; i < end; i++)
+    {
       if (info[i].indic_position() == POS_BASE_C)
       {
 	base = i;
 	break;
       }
+      else if (info[i].indic_position() == POS_PRE_M)
+      {
+        if (first_left_matra == end)
+	  first_left_matra = i;
+	last_left_matra = i;
+      }
+    }
+    /* https://github.com/harfbuzz/harfbuzz/issues/3863 */
+    if (first_left_matra < last_left_matra)
+    {
+      /* No need to merge clusters, handled later. */
+      buffer->reverse_range (first_left_matra, last_left_matra + 1);
+      /* Reverse back nuktas, etc. */
+      unsigned i = first_left_matra;
+      for (unsigned j = i; j <= last_left_matra; j++)
+	if (FLAG_UNSAFE (info[j].indic_category()) & (FLAG (I_Cat(M)) | FLAG (I_Cat(MPst))))
+	{
+	  buffer->reverse_range (i, j + 1);
+	  i = j + 1;
+	}
+    }
+
     /* Things are out-of-control for post base positions, they may shuffle
      * around like crazy.  In old-spec mode, we move halants around, so in
      * that case merge all clusters after base.  Otherwise, check the sort
@@ -849,10 +890,10 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
      * Test case: U+0924,U+094D,U+0930,U+094d,U+200D,U+0915
      */
     for (unsigned int i = start; i + 1 < base; i++)
-      if (info[i  ].indic_category() == OT_Ra &&
-	  info[i+1].indic_category() == OT_H  &&
+      if (info[i  ].indic_category() == I_Cat(Ra) &&
+	  info[i+1].indic_category() == I_Cat(H)  &&
 	  (i + 2 == base ||
-	   info[i+2].indic_category() != OT_ZWJ))
+	   info[i+2].indic_category() != I_Cat(ZWJ)))
       {
 	info[i  ].mask |= indic_plan->mask_array[INDIC_BLWF];
 	info[i+1].mask |= indic_plan->mask_array[INDIC_BLWF];
@@ -879,7 +920,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
   /* Apply ZWJ/ZWNJ effects */
   for (unsigned int i = start + 1; i < end; i++)
     if (is_joiner (info[i])) {
-      bool non_joiner = info[i].indic_category() == OT_ZWNJ;
+      bool non_joiner = info[i].indic_category() == I_Cat(ZWNJ);
       unsigned int j = i;
 
       do {
@@ -912,7 +953,7 @@ initial_reordering_standalone_cluster (const hb_ot_shape_plan_t *plan,
     /* For dotted-circle, this is what Uniscribe does:
      * If dotted-circle is the last glyph, it just does nothing.
      * Ie. It doesn't form Reph. */
-    if (buffer->info[end - 1].indic_category() == OT_DOTTEDCIRCLE)
+    if (buffer->info[end - 1].indic_category() == I_Cat(DOTTEDCIRCLE))
       return;
   }
 
@@ -944,25 +985,29 @@ initial_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
   }
 }
 
-static void
+static bool
 initial_reordering_indic (const hb_ot_shape_plan_t *plan,
 			  hb_font_t *font,
 			  hb_buffer_t *buffer)
 {
+  bool ret = false;
   if (!buffer->message (font, "start reordering indic initial"))
-    return;
+    return ret;
 
   update_consonant_positions_indic (plan, font, buffer);
-  hb_syllabic_insert_dotted_circles (font, buffer,
-				     indic_broken_cluster,
-				     OT_DOTTEDCIRCLE,
-				     OT_Repha,
-				     POS_END);
+  if (hb_syllabic_insert_dotted_circles (font, buffer,
+					 indic_broken_cluster,
+					 I_Cat(DOTTEDCIRCLE),
+					 I_Cat(Repha),
+					 POS_END))
+    ret = true;
 
   foreach_syllable (buffer, start, end)
     initial_reordering_syllable_indic (plan, font->face, buffer, start, end);
 
   (void) buffer->message (font, "end reordering indic initial");
+
+  return ret;
 }
 
 static void
@@ -978,10 +1023,10 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
    * and possibly multiple substitutions happened prior to this
    * phase, and that might have messed up our properties.  Recover
    * from a particular case of that where we're fairly sure that a
-   * class of OT_H is desired but has been lost. */
+   * class of I_Cat(H) is desired but has been lost. */
   /* We don't call load_virama_glyph(), since we know it's already
    * loaded. */
-  hb_codepoint_t virama_glyph = indic_plan->virama_glyph.get_relaxed ();
+  hb_codepoint_t virama_glyph = indic_plan->virama_glyph;
   if (virama_glyph)
   {
     for (unsigned int i = start; i < end; i++)
@@ -990,7 +1035,7 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
 	  _hb_glyph_info_multiplied (&info[i]))
       {
 	/* This will make sure that this glyph passes is_halant() test. */
-	info[i].indic_category() = OT_H;
+	info[i].indic_category() = I_Cat(H);
 	_hb_glyph_info_clear_ligated_and_multiplied (&info[i]);
       }
   }
@@ -1056,11 +1101,11 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
       break;
     }
   if (base == end && start < base &&
-      is_one_of (info[base - 1], FLAG (OT_ZWJ)))
+      is_one_of (info[base - 1], FLAG (I_Cat(ZWJ))))
     base--;
   if (base < end)
     while (start < base &&
-	   is_one_of (info[base], (FLAG (OT_N) | FLAG (OT_H))))
+	   is_one_of (info[base], (FLAG (I_Cat(N)) | FLAG (I_Cat(H)))))
       base--;
 
 
@@ -1105,7 +1150,7 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
     {
     search:
       while (new_pos > start &&
-	     !(is_one_of (info[new_pos], (FLAG (OT_M) | FLAG (OT_H)))))
+	     !(is_one_of (info[new_pos], (FLAG (I_Cat(M)) | FLAG (I_Cat(MPst)) | FLAG (I_Cat(H))))))
 	new_pos--;
 
       /* If we found no Halant we are done.
@@ -1122,7 +1167,7 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
 	if (new_pos + 1 < end)
 	{
 	  /* -> If ZWJ follows this halant, matra is NOT repositioned after this halant. */
-	  if (info[new_pos + 1].indic_category() == OT_ZWJ)
+	  if (info[new_pos + 1].indic_category() == I_Cat(ZWJ))
 	  {
 	    /* Keep searching. */
 	    if (new_pos > start)
@@ -1195,7 +1240,7 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
    */
   if (start + 1 < end &&
       info[start].indic_position() == POS_RA_TO_BECOME_REPH &&
-      ((info[start].indic_category() == OT_Repha) ^
+      ((info[start].indic_category() == I_Cat(Repha)) ^
        _hb_glyph_info_ligated_and_didnt_multiply (&info[start])))
   {
     unsigned int new_reph_pos;
@@ -1305,7 +1350,8 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
 	  unlikely (is_halant (info[new_reph_pos])))
       {
 	for (unsigned int i = base + 1; i < new_reph_pos; i++)
-	  if (info[i].indic_category() == OT_M) {
+	  if (FLAG_UNSAFE (info[i].indic_category()) & (FLAG (I_Cat(M)) | FLAG (I_Cat(MPst))))
+	  {
 	    /* Ok, got it. */
 	    new_reph_pos--;
 	  }
@@ -1365,7 +1411,7 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
 	  if (buffer->props.script != HB_SCRIPT_MALAYALAM && buffer->props.script != HB_SCRIPT_TAMIL)
 	  {
 	    while (new_pos > start &&
-		   !(is_one_of (info[new_pos - 1], FLAG(OT_M) | FLAG (OT_H))))
+		   !(is_one_of (info[new_pos - 1], FLAG (I_Cat(M)) | FLAG (I_Cat(MPst)) | FLAG (I_Cat(H)))))
 	      new_pos--;
 	  }
 
@@ -1414,11 +1460,10 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
     switch ((hb_tag_t) plan->props.script)
     {
       case HB_SCRIPT_TAMIL:
-      case HB_SCRIPT_SINHALA:
 	break;
 
       default:
-	/* Uniscribe merges the entire syllable into a single cluster... Except for Tamil & Sinhala.
+	/* Uniscribe merges the entire syllable into a single cluster... Except for Tamil.
 	 * This means, half forms are submerged into the main consonant's cluster.
 	 * This is unnecessary, and makes cursor positioning harder, but that's what
 	 * Uniscribe does. */
@@ -1429,13 +1474,13 @@ final_reordering_syllable_indic (const hb_ot_shape_plan_t *plan,
 }
 
 
-static void
+static bool
 final_reordering_indic (const hb_ot_shape_plan_t *plan,
 			hb_font_t *font HB_UNUSED,
 			hb_buffer_t *buffer)
 {
   unsigned int count = buffer->len;
-  if (unlikely (!count)) return;
+  if (unlikely (!count)) return false;
 
   if (buffer->message (font, "start reordering indic final")) {
     foreach_syllable (buffer, start, end)
@@ -1445,6 +1490,8 @@ final_reordering_indic (const hb_ot_shape_plan_t *plan,
 
   HB_BUFFER_DEALLOCATE_VAR (buffer, indic_category);
   HB_BUFFER_DEALLOCATE_VAR (buffer, indic_position);
+
+  return false;
 }
 
 
@@ -1453,7 +1500,9 @@ preprocess_text_indic (const hb_ot_shape_plan_t *plan,
 		       hb_buffer_t              *buffer,
 		       hb_font_t                *font)
 {
-  _hb_preprocess_text_vowel_constraints (plan, buffer, font);
+  const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) plan->data;
+  if (!indic_plan->uniscribe_bug_compatible)
+    _hb_preprocess_text_vowel_constraints (plan, buffer, font);
 }
 
 static bool
@@ -1486,48 +1535,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
 #endif
   }
 
-  if ((ab == 0x0DDAu || hb_in_range<hb_codepoint_t> (ab, 0x0DDCu, 0x0DDEu)))
-  {
-    /*
-     * Sinhala split matras...  Let the fun begin.
-     *
-     * These four characters have Unicode decompositions.  However, Uniscribe
-     * decomposes them "Khmer-style", that is, it uses the character itself to
-     * get the second half.  The first half of all four decompositions is always
-     * U+0DD9.
-     *
-     * Now, there are buggy fonts, namely, the widely used lklug.ttf, that are
-     * broken with Uniscribe.  But we need to support them.  As such, we only
-     * do the Uniscribe-style decomposition if the character is transformed into
-     * its "sec.half" form by the 'pstf' feature.  Otherwise, we fall back to
-     * Unicode decomposition.
-     *
-     * Note that we can't unconditionally use Unicode decomposition.  That would
-     * break some other fonts, that are designed to work with Uniscribe, and
-     * don't have positioning features for the Unicode-style decomposition.
-     *
-     * Argh...
-     *
-     * The Uniscribe behavior is now documented in the newly published Sinhala
-     * spec in 2012:
-     *
-     *   https://docs.microsoft.com/en-us/typography/script-development/sinhala#shaping
-     */
-
-
-    const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) c->plan->data;
-    hb_codepoint_t glyph;
-    if (indic_plan->uniscribe_bug_compatible ||
-	(c->font->get_nominal_glyph (ab, &glyph) &&
-	 indic_plan->pstf.would_substitute (&glyph, 1, c->font->face)))
-    {
-      /* Ok, safe to use Uniscribe-style decomposition. */
-      *a = 0x0DD9u;
-      *b = ab;
-      return true;
-    }
-  }
-
   return (bool) c->unicode->decompose (ab, a, b);
 }
 
@@ -1548,7 +1555,7 @@ compose_indic (const hb_ot_shape_normalize_context_t *c,
 }
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
+const hb_ot_shaper_t _hb_ot_shaper_indic =
 {
   collect_features_indic,
   override_features_indic,
@@ -1556,12 +1563,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
   data_destroy_indic,
   preprocess_text_indic,
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   decompose_indic,
   compose_indic,
   setup_masks_indic,
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic.hh
new file mode 100644
index 0000000000..4f822c26e9
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-indic.hh
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPER_INDIC_HH
+#define HB_OT_SHAPER_INDIC_HH
+
+#include "hb.hh"
+
+#include "hb-ot-shaper-syllabic.hh"
+
+
+/* Visual positions in a syllable from left to right. */
+enum ot_position_t {
+  POS_START = 0,
+
+  POS_RA_TO_BECOME_REPH = 1,
+  POS_PRE_M = 2,
+  POS_PRE_C = 3,
+
+  POS_BASE_C = 4,
+  POS_AFTER_MAIN = 5,
+
+  POS_ABOVE_C = 6,
+
+  POS_BEFORE_SUB = 7,
+  POS_BELOW_C = 8,
+  POS_AFTER_SUB = 9,
+
+  POS_BEFORE_POST = 10,
+  POS_POST_C = 11,
+  POS_AFTER_POST = 12,
+
+  POS_SMVD = 13,
+
+  POS_END = 14
+};
+
+
+HB_INTERNAL uint16_t
+hb_indic_get_categories (hb_codepoint_t u);
+
+
+#endif /* HB_OT_SHAPER_INDIC_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-khmer-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-khmer-machine.hh
new file mode 100644
index 0000000000..fd91ee0caf
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-khmer-machine.hh
@@ -0,0 +1,428 @@
+
+#line 1 "hb-ot-shaper-khmer-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPER_KHMER_MACHINE_HH
+#define HB_OT_SHAPER_KHMER_MACHINE_HH
+
+#include "hb.hh"
+
+#include "hb-ot-layout.hh"
+#include "hb-ot-shaper-indic.hh"
+
+/* buffer var allocations */
+#define khmer_category() ot_shaper_var_u8_category() /* khmer_category_t */
+
+using khmer_category_t = unsigned;
+
+#define K_Cat(Cat) khmer_syllable_machine_ex_##Cat
+
+enum khmer_syllable_type_t {
+  khmer_consonant_syllable,
+  khmer_broken_cluster,
+  khmer_non_khmer_cluster,
+};
+
+
+#line 49 "hb-ot-shaper-khmer-machine.hh"
+#define khmer_syllable_machine_ex_C 1u
+#define khmer_syllable_machine_ex_DOTTEDCIRCLE 11u
+#define khmer_syllable_machine_ex_H 4u
+#define khmer_syllable_machine_ex_PLACEHOLDER 10u
+#define khmer_syllable_machine_ex_Ra 15u
+#define khmer_syllable_machine_ex_Robatic 25u
+#define khmer_syllable_machine_ex_V 2u
+#define khmer_syllable_machine_ex_VAbv 20u
+#define khmer_syllable_machine_ex_VBlw 21u
+#define khmer_syllable_machine_ex_VPre 22u
+#define khmer_syllable_machine_ex_VPst 23u
+#define khmer_syllable_machine_ex_Xgroup 26u
+#define khmer_syllable_machine_ex_Ygroup 27u
+#define khmer_syllable_machine_ex_ZWJ 6u
+#define khmer_syllable_machine_ex_ZWNJ 5u
+
+
+#line 65 "hb-ot-shaper-khmer-machine.hh"
+static const unsigned char _khmer_syllable_machine_trans_keys[] = {
+	5u, 26u, 5u, 26u, 1u, 15u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 
+	5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 1u, 15u, 5u, 26u, 5u, 26u, 
+	5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 1u, 27u, 4u, 27u, 1u, 15u, 
+	4u, 27u, 4u, 27u, 27u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 
+	4u, 27u, 1u, 15u, 4u, 27u, 4u, 27u, 27u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 
+	4u, 27u, 4u, 27u, 5u, 26u, 0
+};
+
+static const char _khmer_syllable_machine_key_spans[] = {
+	22, 22, 15, 22, 22, 22, 22, 22, 
+	22, 22, 22, 22, 22, 15, 22, 22, 
+	22, 22, 22, 22, 22, 27, 24, 15, 
+	24, 24, 1, 24, 24, 24, 24, 24, 
+	24, 15, 24, 24, 1, 24, 24, 24, 
+	24, 24, 22
+};
+
+static const short _khmer_syllable_machine_index_offsets[] = {
+	0, 23, 46, 62, 85, 108, 131, 154, 
+	177, 200, 223, 246, 269, 292, 308, 331, 
+	354, 377, 400, 423, 446, 469, 497, 522, 
+	538, 563, 588, 590, 615, 640, 665, 690, 
+	715, 740, 756, 781, 806, 808, 833, 858, 
+	883, 908, 933
+};
+
+static const char _khmer_syllable_machine_indicies[] = {
+	1, 1, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 2, 
+	0, 0, 0, 0, 3, 4, 0, 1, 
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 4, 0, 5, 5, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 5, 0, 1, 1, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 2, 0, 0, 
+	0, 0, 0, 4, 0, 6, 6, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 2, 0, 7, 7, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 8, 0, 9, 9, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 2, 0, 0, 0, 0, 0, 
+	10, 0, 9, 9, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 10, 
+	0, 11, 11, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	2, 0, 0, 0, 0, 0, 12, 0, 
+	11, 11, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 12, 0, 1, 
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 2, 0, 
+	0, 0, 0, 13, 4, 0, 15, 15, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 16, 14, 14, 
+	14, 14, 17, 18, 14, 15, 15, 19, 
+	19, 19, 19, 19, 19, 19, 19, 19, 
+	19, 19, 19, 19, 19, 19, 19, 19, 
+	19, 19, 18, 19, 20, 20, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 20, 14, 15, 15, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 16, 14, 14, 14, 14, 
+	14, 18, 14, 21, 21, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	16, 14, 22, 22, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 23, 
+	14, 24, 24, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	16, 14, 14, 14, 14, 14, 25, 14, 
+	24, 24, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 25, 14, 26, 
+	26, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 16, 14, 
+	14, 14, 14, 14, 27, 14, 26, 26, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 14, 14, 14, 14, 14, 
+	14, 14, 14, 27, 14, 29, 29, 28, 
+	30, 31, 31, 28, 28, 28, 13, 13, 
+	28, 28, 28, 29, 28, 28, 28, 28, 
+	16, 25, 27, 23, 28, 17, 18, 20, 
+	28, 33, 34, 34, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 2, 10, 12, 8, 32, 13, 4, 
+	5, 32, 35, 35, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	35, 32, 33, 36, 36, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 2, 10, 12, 8, 32, 3, 
+	4, 5, 32, 37, 38, 38, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 2, 10, 12, 8, 32, 
+	32, 4, 5, 32, 5, 32, 37, 6, 
+	6, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 8, 32, 32, 2, 5, 32, 37, 
+	7, 7, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 8, 5, 32, 
+	37, 39, 39, 32, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	2, 32, 32, 8, 32, 32, 10, 5, 
+	32, 37, 40, 40, 32, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 2, 10, 32, 8, 32, 32, 12, 
+	5, 32, 33, 38, 38, 32, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 2, 10, 12, 8, 32, 32, 
+	4, 5, 32, 33, 38, 38, 32, 32, 
+	32, 32, 32, 32, 32, 32, 32, 32, 
+	32, 32, 32, 2, 10, 12, 8, 32, 
+	3, 4, 5, 32, 42, 42, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 42, 41, 30, 43, 43, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 41, 16, 25, 27, 23, 
+	41, 17, 18, 20, 41, 44, 45, 45, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 41, 41, 16, 25, 27, 
+	23, 41, 41, 18, 20, 41, 20, 41, 
+	44, 21, 21, 41, 41, 41, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 23, 41, 41, 16, 20, 
+	41, 44, 22, 22, 41, 41, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 23, 
+	20, 41, 44, 46, 46, 41, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 16, 41, 41, 23, 41, 41, 
+	25, 20, 41, 44, 47, 47, 41, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 16, 25, 41, 23, 41, 
+	41, 27, 20, 41, 30, 45, 45, 41, 
+	41, 41, 41, 41, 41, 41, 41, 41, 
+	41, 41, 41, 41, 16, 25, 27, 23, 
+	41, 41, 18, 20, 41, 15, 15, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 16, 48, 48, 48, 
+	48, 48, 18, 48, 0
+};
+
+static const char _khmer_syllable_machine_trans_targs[] = {
+	21, 1, 27, 31, 25, 26, 4, 5, 
+	28, 7, 29, 9, 30, 32, 21, 12, 
+	37, 41, 35, 21, 36, 15, 16, 38, 
+	18, 39, 20, 40, 21, 22, 33, 42, 
+	21, 23, 10, 24, 0, 2, 3, 6, 
+	8, 21, 34, 11, 13, 14, 17, 19, 
+	21
+};
+
+static const char _khmer_syllable_machine_trans_actions[] = {
+	1, 0, 2, 2, 2, 0, 0, 0, 
+	2, 0, 2, 0, 2, 2, 3, 0, 
+	2, 4, 4, 5, 0, 0, 0, 2, 
+	0, 2, 0, 2, 8, 2, 0, 9, 
+	10, 0, 0, 2, 0, 0, 0, 0, 
+	0, 11, 4, 0, 0, 0, 0, 0, 
+	12
+};
+
+static const char _khmer_syllable_machine_to_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 6, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0
+};
+
+static const char _khmer_syllable_machine_from_state_actions[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 7, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0
+};
+
+static const short _khmer_syllable_machine_eof_trans[] = {
+	1, 1, 1, 1, 1, 1, 1, 1, 
+	1, 1, 1, 15, 20, 15, 15, 15, 
+	15, 15, 15, 15, 15, 0, 33, 33, 
+	33, 33, 33, 33, 33, 33, 33, 33, 
+	33, 42, 42, 42, 42, 42, 42, 42, 
+	42, 42, 49
+};
+
+static const int khmer_syllable_machine_start = 21;
+static const int khmer_syllable_machine_first_final = 21;
+static const int khmer_syllable_machine_error = -1;
+
+static const int khmer_syllable_machine_en_main = 21;
+
+
+#line 53 "hb-ot-shaper-khmer-machine.rl"
+
+
+
+#line 102 "hb-ot-shaper-khmer-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
+    for (unsigned int i = ts; i < te; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    syllable_serial++; \
+    if (syllable_serial == 16) syllable_serial = 1; \
+  } HB_STMT_END
+
+inline void
+find_syllables_khmer (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts, te, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 287 "hb-ot-shaper-khmer-machine.hh"
+	{
+	cs = khmer_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 122 "hb-ot-shaper-khmer-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int syllable_serial = 1;
+  
+#line 299 "hb-ot-shaper-khmer-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _khmer_syllable_machine_from_state_actions[cs] ) {
+	case 7:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 311 "hb-ot-shaper-khmer-machine.hh"
+	}
+
+	_keys = _khmer_syllable_machine_trans_keys + (cs<<1);
+	_inds = _khmer_syllable_machine_indicies + _khmer_syllable_machine_index_offsets[cs];
+
+	_slen = _khmer_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].khmer_category()) &&
+		( info[p].khmer_category()) <= _keys[1] ?
+		( info[p].khmer_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _khmer_syllable_machine_trans_targs[_trans];
+
+	if ( _khmer_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _khmer_syllable_machine_trans_actions[_trans] ) {
+	case 2:
+#line 1 "NONE"
+	{te = p+1;}
+	break;
+	case 8:
+#line 98 "hb-ot-shaper-khmer-machine.rl"
+	{te = p+1;{ found_syllable (khmer_non_khmer_cluster); }}
+	break;
+	case 10:
+#line 96 "hb-ot-shaper-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (khmer_consonant_syllable); }}
+	break;
+	case 11:
+#line 97 "hb-ot-shaper-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 12:
+#line 98 "hb-ot-shaper-khmer-machine.rl"
+	{te = p;p--;{ found_syllable (khmer_non_khmer_cluster); }}
+	break;
+	case 1:
+#line 96 "hb-ot-shaper-khmer-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (khmer_consonant_syllable); }}
+	break;
+	case 3:
+#line 97 "hb-ot-shaper-khmer-machine.rl"
+	{{p = ((te))-1;}{ found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 5:
+#line 1 "NONE"
+	{	switch( act ) {
+	case 2:
+	{{p = ((te))-1;} found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }
+	break;
+	case 3:
+	{{p = ((te))-1;} found_syllable (khmer_non_khmer_cluster); }
+	break;
+	}
+	}
+	break;
+	case 4:
+#line 1 "NONE"
+	{te = p+1;}
+#line 97 "hb-ot-shaper-khmer-machine.rl"
+	{act = 2;}
+	break;
+	case 9:
+#line 1 "NONE"
+	{te = p+1;}
+#line 98 "hb-ot-shaper-khmer-machine.rl"
+	{act = 3;}
+	break;
+#line 368 "hb-ot-shaper-khmer-machine.hh"
+	}
+
+_again:
+	switch ( _khmer_syllable_machine_to_state_actions[cs] ) {
+	case 6:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 375 "hb-ot-shaper-khmer-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _khmer_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _khmer_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 130 "hb-ot-shaper-khmer-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPER_KHMER_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-khmer.cc
index a7d5bf574b..019a285102 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-khmer.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-khmer.cc
@@ -28,8 +28,8 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-khmer.hh"
-#include "hb-ot-shape-complex-khmer-machine.hh"
+#include "hb-ot-shaper-khmer-machine.hh"
+#include "hb-ot-shaper-indic.hh"
 #include "hb-ot-layout.hh"
 
 
@@ -37,6 +37,7 @@
  * Khmer shaper.
  */
 
+
 static const hb_ot_map_feature_t
 khmer_features[] =
 {
@@ -79,11 +80,20 @@ enum {
   KHMER_BASIC_FEATURES = _KHMER_PRES, /* Don't forget to update this! */
 };
 
-static void
+static inline void
+set_khmer_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+
+  info.khmer_category() = (khmer_category_t) (type & 0xFFu);
+}
+
+static bool
 setup_syllables_khmer (const hb_ot_shape_plan_t *plan,
 		       hb_font_t *font,
 		       hb_buffer_t *buffer);
-static void
+static bool
 reorder_khmer (const hb_ot_shape_plan_t *plan,
 	       hb_font_t *font,
 	       hb_buffer_t *buffer);
@@ -115,7 +125,7 @@ collect_features_khmer (hb_ot_shape_planner_t *plan)
     map->add_feature (khmer_features[i]);
 
   /* https://github.com/harfbuzz/harfbuzz/issues/3531 */
-  map->add_gsub_pause (nullptr);
+  map->add_gsub_pause (hb_syllabic_clear_var); // Don't need syllables anymore, use stop to free buffer var
 
   for (; i < KHMER_NUM_FEATURES; i++)
     map->add_feature (khmer_features[i]);
@@ -182,14 +192,16 @@ setup_masks_khmer (const hb_ot_shape_plan_t *plan HB_UNUSED,
     set_khmer_properties (info[i]);
 }
 
-static void
+static bool
 setup_syllables_khmer (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		       hb_font_t *font HB_UNUSED,
 		       hb_buffer_t *buffer)
 {
+  HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
   find_syllables_khmer (buffer);
   foreach_syllable (buffer, start, end)
     buffer->unsafe_to_break (start, end);
+  return false;
 }
 
 
@@ -230,11 +242,11 @@ reorder_consonant_syllable (const hb_ot_shape_plan_t *plan,
      * the 'pref' OpenType feature applied to them.
      * """
      */
-    if (info[i].khmer_category() == OT_Coeng && num_coengs <= 2 && i + 1 < end)
+    if (info[i].khmer_category() == K_Cat(H) && num_coengs <= 2 && i + 1 < end)
     {
       num_coengs++;
 
-      if (info[i + 1].khmer_category() == OT_Ra)
+      if (info[i + 1].khmer_category() == K_Cat(Ra))
       {
 	for (unsigned int j = 0; j < 2; j++)
 	  info[i + j].mask |= khmer_plan->mask_array[KHMER_PREF];
@@ -262,7 +274,7 @@ reorder_consonant_syllable (const hb_ot_shape_plan_t *plan,
     }
 
     /* Reorder left matra piece. */
-    else if (info[i].khmer_category() == OT_VPre)
+    else if (info[i].khmer_category() == K_Cat(VPre))
     {
       /* Move to the start. */
       buffer->merge_clusters (start, i + 1);
@@ -292,23 +304,27 @@ reorder_syllable_khmer (const hb_ot_shape_plan_t *plan,
   }
 }
 
-static void
+static bool
 reorder_khmer (const hb_ot_shape_plan_t *plan,
 	       hb_font_t *font,
 	       hb_buffer_t *buffer)
 {
+  bool ret = false;
   if (buffer->message (font, "start reordering khmer"))
   {
-    hb_syllabic_insert_dotted_circles (font, buffer,
-				       khmer_broken_cluster,
-				       OT_DOTTEDCIRCLE,
-				       OT_Repha);
+    if (hb_syllabic_insert_dotted_circles (font, buffer,
+					   khmer_broken_cluster,
+					   K_Cat(DOTTEDCIRCLE),
+					   (unsigned) -1))
+      ret = true;
 
     foreach_syllable (buffer, start, end)
       reorder_syllable_khmer (plan, font->face, buffer, start, end);
     (void) buffer->message (font, "end reordering khmer");
   }
   HB_BUFFER_DEALLOCATE_VAR (buffer, khmer_category);
+
+  return ret;
 }
 
 
@@ -349,7 +365,7 @@ compose_khmer (const hb_ot_shape_normalize_context_t *c,
 }
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_khmer =
+const hb_ot_shaper_t _hb_ot_shaper_khmer =
 {
   collect_features_khmer,
   override_features_khmer,
@@ -357,12 +373,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_khmer =
   data_destroy_khmer,
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   decompose_khmer,
   compose_khmer,
   setup_masks_khmer,
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-myanmar-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-myanmar-machine.hh
new file mode 100644
index 0000000000..87cded4ed8
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-myanmar-machine.hh
@@ -0,0 +1,553 @@
+
+#line 1 "hb-ot-shaper-myanmar-machine.rl"
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPER_MYANMAR_MACHINE_HH
+#define HB_OT_SHAPER_MYANMAR_MACHINE_HH
+
+#include "hb.hh"
+
+#include "hb-ot-layout.hh"
+#include "hb-ot-shaper-indic.hh"
+
+/* buffer var allocations */
+#define myanmar_category() ot_shaper_var_u8_category() /* myanmar_category_t */
+#define myanmar_position() ot_shaper_var_u8_auxiliary() /* myanmar_position_t */
+
+using myanmar_category_t = unsigned;
+using myanmar_position_t = ot_position_t;
+
+#define M_Cat(Cat) myanmar_syllable_machine_ex_##Cat
+
+enum myanmar_syllable_type_t {
+  myanmar_consonant_syllable,
+  myanmar_broken_cluster,
+  myanmar_non_myanmar_cluster,
+};
+
+
+#line 51 "hb-ot-shaper-myanmar-machine.hh"
+#define myanmar_syllable_machine_ex_A 9u
+#define myanmar_syllable_machine_ex_As 32u
+#define myanmar_syllable_machine_ex_C 1u
+#define myanmar_syllable_machine_ex_CS 18u
+#define myanmar_syllable_machine_ex_DB 3u
+#define myanmar_syllable_machine_ex_DOTTEDCIRCLE 11u
+#define myanmar_syllable_machine_ex_GB 10u
+#define myanmar_syllable_machine_ex_H 4u
+#define myanmar_syllable_machine_ex_IV 2u
+#define myanmar_syllable_machine_ex_MH 35u
+#define myanmar_syllable_machine_ex_ML 41u
+#define myanmar_syllable_machine_ex_MR 36u
+#define myanmar_syllable_machine_ex_MW 37u
+#define myanmar_syllable_machine_ex_MY 38u
+#define myanmar_syllable_machine_ex_PT 39u
+#define myanmar_syllable_machine_ex_Ra 15u
+#define myanmar_syllable_machine_ex_SM 8u
+#define myanmar_syllable_machine_ex_VAbv 20u
+#define myanmar_syllable_machine_ex_VBlw 21u
+#define myanmar_syllable_machine_ex_VPre 22u
+#define myanmar_syllable_machine_ex_VPst 23u
+#define myanmar_syllable_machine_ex_VS 40u
+#define myanmar_syllable_machine_ex_ZWJ 6u
+#define myanmar_syllable_machine_ex_ZWNJ 5u
+
+
+#line 76 "hb-ot-shaper-myanmar-machine.hh"
+static const unsigned char _myanmar_syllable_machine_trans_keys[] = {
+	1u, 41u, 3u, 41u, 5u, 39u, 5u, 8u, 3u, 41u, 3u, 39u, 3u, 39u, 5u, 39u, 
+	5u, 39u, 3u, 39u, 3u, 39u, 3u, 41u, 5u, 39u, 1u, 15u, 3u, 39u, 3u, 39u, 
+	3u, 40u, 3u, 39u, 3u, 41u, 3u, 41u, 3u, 39u, 3u, 41u, 3u, 41u, 3u, 41u, 
+	3u, 41u, 3u, 41u, 5u, 39u, 5u, 8u, 3u, 41u, 3u, 39u, 3u, 39u, 5u, 39u, 
+	5u, 39u, 3u, 39u, 3u, 39u, 3u, 41u, 5u, 39u, 1u, 15u, 3u, 41u, 3u, 39u, 
+	3u, 39u, 3u, 40u, 3u, 39u, 3u, 41u, 3u, 41u, 3u, 39u, 3u, 41u, 3u, 41u, 
+	3u, 41u, 3u, 41u, 3u, 41u, 3u, 41u, 3u, 41u, 1u, 41u, 1u, 15u, 0
+};
+
+static const char _myanmar_syllable_machine_key_spans[] = {
+	41, 39, 35, 4, 39, 37, 37, 35, 
+	35, 37, 37, 39, 35, 15, 37, 37, 
+	38, 37, 39, 39, 37, 39, 39, 39, 
+	39, 39, 35, 4, 39, 37, 37, 35, 
+	35, 37, 37, 39, 35, 15, 39, 37, 
+	37, 38, 37, 39, 39, 37, 39, 39, 
+	39, 39, 39, 39, 39, 41, 15
+};
+
+static const short _myanmar_syllable_machine_index_offsets[] = {
+	0, 42, 82, 118, 123, 163, 201, 239, 
+	275, 311, 349, 387, 427, 463, 479, 517, 
+	555, 594, 632, 672, 712, 750, 790, 830, 
+	870, 910, 950, 986, 991, 1031, 1069, 1107, 
+	1143, 1179, 1217, 1255, 1295, 1331, 1347, 1387, 
+	1425, 1463, 1502, 1540, 1580, 1620, 1658, 1698, 
+	1738, 1778, 1818, 1858, 1898, 1938, 1980
+};
+
+static const char _myanmar_syllable_machine_indicies[] = {
+	1, 1, 2, 3, 4, 4, 0, 5, 
+	6, 1, 1, 0, 0, 0, 7, 0, 
+	0, 8, 0, 9, 10, 11, 12, 0, 
+	0, 0, 0, 0, 0, 0, 0, 13, 
+	0, 0, 14, 15, 16, 17, 18, 19, 
+	20, 0, 22, 23, 24, 24, 21, 25, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 27, 28, 29, 30, 21, 
+	21, 21, 21, 21, 21, 21, 21, 31, 
+	21, 21, 32, 33, 34, 35, 36, 37, 
+	38, 21, 24, 24, 21, 25, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 30, 21, 21, 21, 
+	21, 21, 21, 21, 21, 39, 21, 21, 
+	21, 21, 21, 21, 36, 21, 24, 24, 
+	21, 25, 21, 22, 21, 24, 24, 21, 
+	25, 26, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 40, 21, 21, 30, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	41, 21, 21, 42, 21, 21, 21, 36, 
+	21, 41, 21, 22, 21, 24, 24, 21, 
+	25, 26, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 30, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 36, 
+	21, 43, 21, 24, 24, 21, 25, 36, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 44, 21, 
+	21, 21, 21, 21, 21, 36, 21, 24, 
+	24, 21, 25, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 44, 21, 21, 21, 21, 21, 
+	21, 36, 21, 24, 24, 21, 25, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 36, 21, 22, 
+	21, 24, 24, 21, 25, 26, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	40, 21, 21, 30, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 36, 21, 22, 21, 24, 
+	24, 21, 25, 26, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 40, 21, 
+	21, 30, 21, 21, 21, 21, 21, 21, 
+	21, 21, 41, 21, 21, 21, 21, 21, 
+	21, 36, 21, 22, 21, 24, 24, 21, 
+	25, 26, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 40, 21, 21, 30, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	41, 21, 21, 21, 21, 21, 21, 36, 
+	21, 41, 21, 24, 24, 21, 25, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 30, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 36, 21, 1, 
+	1, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 1, 21, 22, 
+	21, 24, 24, 21, 25, 26, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	27, 28, 21, 30, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 36, 21, 22, 21, 24, 
+	24, 21, 25, 26, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 28, 
+	21, 30, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 36, 21, 22, 21, 24, 24, 21, 
+	25, 26, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 27, 28, 29, 30, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 36, 
+	45, 21, 22, 21, 24, 24, 21, 25, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 27, 28, 29, 30, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 36, 21, 
+	22, 21, 24, 24, 21, 25, 26, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 27, 28, 29, 30, 21, 21, 21, 
+	21, 21, 21, 21, 21, 31, 21, 21, 
+	32, 33, 34, 35, 36, 21, 38, 21, 
+	22, 21, 24, 24, 21, 25, 26, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 27, 28, 29, 30, 21, 21, 21, 
+	21, 21, 21, 21, 21, 45, 21, 21, 
+	21, 21, 21, 21, 36, 21, 38, 21, 
+	22, 21, 24, 24, 21, 25, 26, 21, 
+	21, 21, 21, 21, 21, 21, 21, 21, 
+	21, 27, 28, 29, 30, 21, 21, 21, 
+	21, 21, 21, 21, 21, 45, 21, 21, 
+	21, 21, 21, 21, 36, 21, 22, 21, 
+	24, 24, 21, 25, 26, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 27, 
+	28, 29, 30, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 32, 21, 
+	34, 21, 36, 21, 38, 21, 22, 21, 
+	24, 24, 21, 25, 26, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 27, 
+	28, 29, 30, 21, 21, 21, 21, 21, 
+	21, 21, 21, 45, 21, 21, 32, 21, 
+	21, 21, 36, 21, 38, 21, 22, 21, 
+	24, 24, 21, 25, 26, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 27, 
+	28, 29, 30, 21, 21, 21, 21, 21, 
+	21, 21, 21, 46, 21, 21, 32, 33, 
+	34, 21, 36, 21, 38, 21, 22, 21, 
+	24, 24, 21, 25, 26, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 27, 
+	28, 29, 30, 21, 21, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 32, 33, 
+	34, 21, 36, 21, 38, 21, 22, 23, 
+	24, 24, 21, 25, 26, 21, 21, 21, 
+	21, 21, 21, 21, 21, 21, 21, 27, 
+	28, 29, 30, 21, 21, 21, 21, 21, 
+	21, 21, 21, 31, 21, 21, 32, 33, 
+	34, 35, 36, 21, 38, 21, 48, 48, 
+	47, 5, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	12, 47, 47, 47, 47, 47, 47, 47, 
+	47, 49, 47, 47, 47, 47, 47, 47, 
+	18, 47, 48, 48, 47, 5, 47, 2, 
+	47, 48, 48, 47, 5, 6, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	50, 47, 47, 12, 47, 47, 47, 47, 
+	47, 47, 47, 47, 51, 47, 47, 52, 
+	47, 47, 47, 18, 47, 51, 47, 2, 
+	47, 48, 48, 47, 5, 6, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 12, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 18, 47, 53, 47, 48, 
+	48, 47, 5, 18, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 54, 47, 47, 47, 47, 47, 
+	47, 18, 47, 48, 48, 47, 5, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 54, 47, 
+	47, 47, 47, 47, 47, 18, 47, 48, 
+	48, 47, 5, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 18, 47, 2, 47, 48, 48, 47, 
+	5, 6, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 50, 47, 47, 12, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 18, 
+	47, 2, 47, 48, 48, 47, 5, 6, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 50, 47, 47, 12, 47, 47, 
+	47, 47, 47, 47, 47, 47, 51, 47, 
+	47, 47, 47, 47, 47, 18, 47, 2, 
+	47, 48, 48, 47, 5, 6, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	50, 47, 47, 12, 47, 47, 47, 47, 
+	47, 47, 47, 47, 51, 47, 47, 47, 
+	47, 47, 47, 18, 47, 51, 47, 48, 
+	48, 47, 5, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 12, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 18, 47, 55, 55, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 55, 47, 2, 3, 48, 48, 47, 
+	5, 6, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 9, 10, 11, 12, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	13, 47, 47, 14, 15, 16, 17, 18, 
+	19, 20, 47, 2, 47, 48, 48, 47, 
+	5, 6, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 9, 10, 47, 12, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 18, 
+	47, 2, 47, 48, 48, 47, 5, 6, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 10, 47, 12, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 18, 47, 2, 
+	47, 48, 48, 47, 5, 6, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	9, 10, 11, 12, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 18, 56, 47, 2, 47, 
+	48, 48, 47, 5, 6, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 9, 
+	10, 11, 12, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 18, 47, 2, 47, 48, 48, 
+	47, 5, 6, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 9, 10, 11, 
+	12, 47, 47, 47, 47, 47, 47, 47, 
+	47, 13, 47, 47, 14, 15, 16, 17, 
+	18, 47, 20, 47, 2, 47, 48, 48, 
+	47, 5, 6, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 9, 10, 11, 
+	12, 47, 47, 47, 47, 47, 47, 47, 
+	47, 56, 47, 47, 47, 47, 47, 47, 
+	18, 47, 20, 47, 2, 47, 48, 48, 
+	47, 5, 6, 47, 47, 47, 47, 47, 
+	47, 47, 47, 47, 47, 9, 10, 11, 
+	12, 47, 47, 47, 47, 47, 47, 47, 
+	47, 56, 47, 47, 47, 47, 47, 47, 
+	18, 47, 2, 47, 48, 48, 47, 5, 
+	6, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 9, 10, 11, 12, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 14, 47, 16, 47, 18, 47, 
+	20, 47, 2, 47, 48, 48, 47, 5, 
+	6, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 9, 10, 11, 12, 47, 
+	47, 47, 47, 47, 47, 47, 47, 56, 
+	47, 47, 14, 47, 47, 47, 18, 47, 
+	20, 47, 2, 47, 48, 48, 47, 5, 
+	6, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 9, 10, 11, 12, 47, 
+	47, 47, 47, 47, 47, 47, 47, 57, 
+	47, 47, 14, 15, 16, 47, 18, 47, 
+	20, 47, 2, 47, 48, 48, 47, 5, 
+	6, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 9, 10, 11, 12, 47, 
+	47, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 14, 15, 16, 47, 18, 47, 
+	20, 47, 2, 3, 48, 48, 47, 5, 
+	6, 47, 47, 47, 47, 47, 47, 47, 
+	47, 47, 47, 9, 10, 11, 12, 47, 
+	47, 47, 47, 47, 47, 47, 47, 13, 
+	47, 47, 14, 15, 16, 17, 18, 47, 
+	20, 47, 22, 23, 24, 24, 21, 25, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 27, 28, 29, 30, 21, 
+	21, 21, 21, 21, 21, 21, 21, 58, 
+	21, 21, 32, 33, 34, 35, 36, 37, 
+	38, 21, 22, 59, 24, 24, 21, 25, 
+	26, 21, 21, 21, 21, 21, 21, 21, 
+	21, 21, 21, 27, 28, 29, 30, 21, 
+	21, 21, 21, 21, 21, 21, 21, 31, 
+	21, 21, 32, 33, 34, 35, 36, 21, 
+	38, 21, 1, 1, 2, 3, 48, 48, 
+	47, 5, 6, 1, 1, 47, 47, 47, 
+	1, 47, 47, 47, 47, 9, 10, 11, 
+	12, 47, 47, 47, 47, 47, 47, 47, 
+	47, 13, 47, 47, 14, 15, 16, 17, 
+	18, 19, 20, 47, 1, 1, 60, 60, 
+	60, 60, 60, 60, 60, 1, 1, 60, 
+	60, 60, 1, 60, 0
+};
+
+static const char _myanmar_syllable_machine_trans_targs[] = {
+	0, 1, 26, 37, 0, 27, 29, 51, 
+	54, 39, 40, 41, 28, 43, 44, 46, 
+	47, 48, 30, 50, 45, 0, 2, 13, 
+	0, 3, 5, 14, 15, 16, 4, 18, 
+	19, 21, 22, 23, 6, 25, 20, 12, 
+	9, 10, 11, 7, 8, 17, 24, 0, 
+	0, 36, 33, 34, 35, 31, 32, 38, 
+	42, 49, 52, 53, 0
+};
+
+static const char _myanmar_syllable_machine_trans_actions[] = {
+	3, 0, 0, 0, 4, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 5, 0, 0, 
+	6, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 7, 
+	8, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 9
+};
+
+static const char _myanmar_syllable_machine_to_state_actions[] = {
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0
+};
+
+static const char _myanmar_syllable_machine_from_state_actions[] = {
+	2, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0
+};
+
+static const short _myanmar_syllable_machine_eof_trans[] = {
+	0, 22, 22, 22, 22, 22, 22, 22, 
+	22, 22, 22, 22, 22, 22, 22, 22, 
+	22, 22, 22, 22, 22, 22, 22, 22, 
+	22, 22, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 48, 48, 48, 48, 48, 
+	48, 48, 48, 22, 22, 48, 61
+};
+
+static const int myanmar_syllable_machine_start = 0;
+static const int myanmar_syllable_machine_first_final = 0;
+static const int myanmar_syllable_machine_error = -1;
+
+static const int myanmar_syllable_machine_en_main = 0;
+
+
+#line 55 "hb-ot-shaper-myanmar-machine.rl"
+
+
+
+#line 117 "hb-ot-shaper-myanmar-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
+    for (unsigned int i = ts; i < te; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    syllable_serial++; \
+    if (syllable_serial == 16) syllable_serial = 1; \
+  } HB_STMT_END
+
+inline void
+find_syllables_myanmar (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts, te, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  
+#line 436 "hb-ot-shaper-myanmar-machine.hh"
+	{
+	cs = myanmar_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 137 "hb-ot-shaper-myanmar-machine.rl"
+
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int syllable_serial = 1;
+  
+#line 448 "hb-ot-shaper-myanmar-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _myanmar_syllable_machine_from_state_actions[cs] ) {
+	case 2:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 460 "hb-ot-shaper-myanmar-machine.hh"
+	}
+
+	_keys = _myanmar_syllable_machine_trans_keys + (cs<<1);
+	_inds = _myanmar_syllable_machine_indicies + _myanmar_syllable_machine_index_offsets[cs];
+
+	_slen = _myanmar_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].myanmar_category()) &&
+		( info[p].myanmar_category()) <= _keys[1] ?
+		( info[p].myanmar_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _myanmar_syllable_machine_trans_targs[_trans];
+
+	if ( _myanmar_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _myanmar_syllable_machine_trans_actions[_trans] ) {
+	case 6:
+#line 110 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (myanmar_consonant_syllable); }}
+	break;
+	case 4:
+#line 111 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (myanmar_non_myanmar_cluster); }}
+	break;
+	case 8:
+#line 112 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (myanmar_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 3:
+#line 113 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p+1;{ found_syllable (myanmar_non_myanmar_cluster); }}
+	break;
+	case 5:
+#line 110 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (myanmar_consonant_syllable); }}
+	break;
+	case 7:
+#line 112 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (myanmar_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 9:
+#line 113 "hb-ot-shaper-myanmar-machine.rl"
+	{te = p;p--;{ found_syllable (myanmar_non_myanmar_cluster); }}
+	break;
+#line 498 "hb-ot-shaper-myanmar-machine.hh"
+	}
+
+_again:
+	switch ( _myanmar_syllable_machine_to_state_actions[cs] ) {
+	case 1:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 505 "hb-ot-shaper-myanmar-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _myanmar_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _myanmar_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 145 "hb-ot-shaper-myanmar-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPER_MYANMAR_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-myanmar.cc
index 13beaf4d4c..1b2a085a8d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-myanmar.cc
@@ -28,14 +28,16 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-myanmar.hh"
-#include "hb-ot-shape-complex-myanmar-machine.hh"
+#include "hb-ot-shaper-myanmar-machine.hh"
+#include "hb-ot-shaper-indic.hh"
+#include "hb-ot-layout.hh"
 
 
 /*
  * Myanmar shaper.
  */
 
+
 static const hb_tag_t
 myanmar_basic_features[] =
 {
@@ -62,11 +64,45 @@ myanmar_other_features[] =
   HB_TAG('p','s','t','s'),
 };
 
-static void
+static inline void
+set_myanmar_properties (hb_glyph_info_t &info)
+{
+  hb_codepoint_t u = info.codepoint;
+  unsigned int type = hb_indic_get_categories (u);
+
+  info.myanmar_category() = (myanmar_category_t) (type & 0xFFu);
+}
+
+
+static inline bool
+is_one_of_myanmar (const hb_glyph_info_t &info, unsigned int flags)
+{
+  /* If it ligated, all bets are off. */
+  if (_hb_glyph_info_ligated (&info)) return false;
+  return !!(FLAG_UNSAFE (info.myanmar_category()) & flags);
+}
+
+/* Note:
+ *
+ * We treat Vowels and placeholders as if they were consonants.  This is safe because Vowels
+ * cannot happen in a consonant syllable.  The plus side however is, we can call the
+ * consonant syllable logic from the vowel syllable function and get it all right!
+ *
+ * Keep in sync with consonant_categories in the generator. */
+#define CONSONANT_FLAGS_MYANMAR (FLAG (M_Cat(C)) | FLAG (M_Cat(CS)) | FLAG (M_Cat(Ra)) | /* FLAG (M_Cat(CM)) | */ FLAG (M_Cat(IV)) | FLAG (M_Cat(GB)) | FLAG (M_Cat(DOTTEDCIRCLE)))
+
+static inline bool
+is_consonant_myanmar (const hb_glyph_info_t &info)
+{
+  return is_one_of_myanmar (info, CONSONANT_FLAGS_MYANMAR);
+}
+
+
+static bool
 setup_syllables_myanmar (const hb_ot_shape_plan_t *plan,
 			 hb_font_t *font,
 			 hb_buffer_t *buffer);
-static void
+static bool
 reorder_myanmar (const hb_ot_shape_plan_t *plan,
 		 hb_font_t *font,
 		 hb_buffer_t *buffer);
@@ -92,6 +128,7 @@ collect_features_myanmar (hb_ot_shape_planner_t *plan)
     map->enable_feature (myanmar_basic_features[i], F_MANUAL_ZWJ | F_PER_SYLLABLE);
     map->add_gsub_pause (nullptr);
   }
+  map->add_gsub_pause (hb_syllabic_clear_var); // Don't need syllables anymore, use stop to free buffer var
 
   for (unsigned int i = 0; i < ARRAY_LENGTH (myanmar_other_features); i++)
     map->enable_feature (myanmar_other_features[i], F_MANUAL_ZWJ);
@@ -113,14 +150,16 @@ setup_masks_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
     set_myanmar_properties (info[i]);
 }
 
-static void
+static bool
 setup_syllables_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
 			 hb_font_t *font HB_UNUSED,
 			 hb_buffer_t *buffer)
 {
+  HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
   find_syllables_myanmar (buffer);
   foreach_syllable (buffer, start, end)
     buffer->unsafe_to_break (start, end);
+  return false;
 }
 
 static int
@@ -129,7 +168,7 @@ compare_myanmar_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
   int a = pa->myanmar_position();
   int b = pb->myanmar_position();
 
-  return a < b ? -1 : a == b ? 0 : +1;
+  return (int) a - (int) b;
 }
 
 
@@ -148,9 +187,9 @@ initial_reordering_consonant_syllable (hb_buffer_t *buffer,
   {
     unsigned int limit = start;
     if (start + 3 <= end &&
-	info[start  ].myanmar_category() == OT_Ra &&
-	info[start+1].myanmar_category() == OT_As &&
-	info[start+2].myanmar_category() == OT_H)
+	info[start  ].myanmar_category() == M_Cat(Ra) &&
+	info[start+1].myanmar_category() == M_Cat(As) &&
+	info[start+2].myanmar_category() == M_Cat(H))
     {
       limit += 3;
       base = start;
@@ -162,7 +201,7 @@ initial_reordering_consonant_syllable (hb_buffer_t *buffer,
 	base = limit;
 
       for (unsigned int i = limit; i < end; i++)
-	if (is_consonant (info[i]))
+	if (is_consonant_myanmar (info[i]))
 	{
 	  base = i;
 	  break;
@@ -187,39 +226,40 @@ initial_reordering_consonant_syllable (hb_buffer_t *buffer,
      * Myanmar reordering! */
     for (; i < end; i++)
     {
-      if (info[i].myanmar_category() == OT_MR) /* Pre-base reordering */
+      if (info[i].myanmar_category() == M_Cat(MR)) /* Pre-base reordering */
       {
 	info[i].myanmar_position() = POS_PRE_C;
 	continue;
       }
-      if (info[i].myanmar_position() < POS_BASE_C) /* Left matra */
+      if (info[i].myanmar_category() == M_Cat(VPre)) /* Left matra */
       {
+	info[i].myanmar_position() = POS_PRE_M;
 	continue;
       }
-      if (info[i].myanmar_category() == OT_VS)
+      if (info[i].myanmar_category() == M_Cat(VS))
       {
 	info[i].myanmar_position() = info[i - 1].myanmar_position();
 	continue;
       }
 
-      if (pos == POS_AFTER_MAIN && info[i].myanmar_category() == OT_VBlw)
+      if (pos == POS_AFTER_MAIN && info[i].myanmar_category() == M_Cat(VBlw))
       {
 	pos = POS_BELOW_C;
 	info[i].myanmar_position() = pos;
 	continue;
       }
 
-      if (pos == POS_BELOW_C && info[i].myanmar_category() == OT_A)
+      if (pos == POS_BELOW_C && info[i].myanmar_category() == M_Cat(A))
       {
 	info[i].myanmar_position() = POS_BEFORE_SUB;
 	continue;
       }
-      if (pos == POS_BELOW_C && info[i].myanmar_category() == OT_VBlw)
+      if (pos == POS_BELOW_C && info[i].myanmar_category() == M_Cat(VBlw))
       {
 	info[i].myanmar_position() = pos;
 	continue;
       }
-      if (pos == POS_BELOW_C && info[i].myanmar_category() != OT_A)
+      if (pos == POS_BELOW_C && info[i].myanmar_category() != M_Cat(A))
       {
 	pos = POS_AFTER_SUB;
 	info[i].myanmar_position() = pos;
@@ -231,6 +271,33 @@ initial_reordering_consonant_syllable (hb_buffer_t *buffer,
 
   /* Sit tight, rock 'n roll! */
   buffer->sort (start, end, compare_myanmar_order);
+
+  /* Flip left-matra sequence. */
+  unsigned first_left_matra = end;
+  unsigned last_left_matra = end;
+  for (unsigned int i = start; i < end; i++)
+  {
+    if (info[i].myanmar_position() == POS_PRE_M)
+    {
+      if (first_left_matra == end)
+	first_left_matra = i;
+      last_left_matra = i;
+    }
+  }
+  /* https://github.com/harfbuzz/harfbuzz/issues/3863 */
+  if (first_left_matra < last_left_matra)
+  {
+    /* No need to merge clusters, done already? */
+    buffer->reverse_range (first_left_matra, last_left_matra + 1);
+    /* Reverse back VS, etc. */
+    unsigned i = first_left_matra;
+    for (unsigned j = i; j <= last_left_matra; j++)
+      if (info[j].myanmar_category() == M_Cat(VPre))
+      {
+	buffer->reverse_range (i, j + 1);
+	i = j + 1;
+      }
+  }
 }
 
 static void
@@ -247,22 +314,23 @@ reorder_syllable_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
       initial_reordering_consonant_syllable  (buffer, start, end);
       break;
 
-    case myanmar_punctuation_cluster:
     case myanmar_non_myanmar_cluster:
       break;
   }
 }
 
-static void
+static bool
 reorder_myanmar (const hb_ot_shape_plan_t *plan,
 		 hb_font_t *font,
 		 hb_buffer_t *buffer)
 {
+  bool ret = false;
   if (buffer->message (font, "start reordering myanmar"))
   {
-    hb_syllabic_insert_dotted_circles (font, buffer,
-				       myanmar_broken_cluster,
-				       OT_GB);
+    if (hb_syllabic_insert_dotted_circles (font, buffer,
+					   myanmar_broken_cluster,
+					   M_Cat(DOTTEDCIRCLE)))
+      ret = true;
 
     foreach_syllable (buffer, start, end)
       reorder_syllable_myanmar (plan, font->face, buffer, start, end);
@@ -271,10 +339,12 @@ reorder_myanmar (const hb_ot_shape_plan_t *plan,
 
   HB_BUFFER_DEALLOCATE_VAR (buffer, myanmar_category);
   HB_BUFFER_DEALLOCATE_VAR (buffer, myanmar_position);
+
+  return ret;
 }
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
+const hb_ot_shaper_t _hb_ot_shaper_myanmar =
 {
   collect_features_myanmar,
   nullptr, /* override_features */
@@ -282,21 +352,22 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
   nullptr, /* data_destroy */
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   nullptr, /* decompose */
   nullptr, /* compose */
   setup_masks_myanmar,
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
 
 
+#ifndef HB_NO_OT_SHAPER_MYANMAR_ZAWGYI
 /* Ugly Zawgyi encoding.
  * Disable all auto processing.
  * https://github.com/harfbuzz/harfbuzz/issues/1162 */
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_zawgyi =
+const hb_ot_shaper_t _hb_ot_shaper_myanmar_zawgyi =
 {
   nullptr, /* collect_features */
   nullptr, /* override_features */
@@ -304,15 +375,16 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_zawgyi =
   nullptr, /* data_destroy */
   nullptr, /* preprocess_text */
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
   nullptr, /* decompose */
   nullptr, /* compose */
   nullptr, /* setup_masks */
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };
+#endif
 
 
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-syllabic.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-syllabic.cc
index 76092c7f38..89226ae4a1 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-syllabic.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-syllabic.cc
@@ -26,10 +26,10 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-syllabic.hh"
+#include "hb-ot-shaper-syllabic.hh"
 
 
-void
+bool
 hb_syllabic_insert_dotted_circles (hb_font_t *font,
 				   hb_buffer_t *buffer,
 				   unsigned int broken_syllable_type,
@@ -38,32 +38,19 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
 				   int dottedcircle_position)
 {
   if (unlikely (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE))
-    return;
-
-  /* Note: This loop is extra overhead, but should not be measurable.
-   * TODO Use a buffer scratch flag to remove the loop. */
-  bool has_broken_syllables = false;
-  unsigned int count = buffer->len;
-  hb_glyph_info_t *info = buffer->info;
-  for (unsigned int i = 0; i < count; i++)
-    if ((info[i].syllable() & 0x0F) == broken_syllable_type)
-    {
-      has_broken_syllables = true;
-      break;
-    }
-  if (likely (!has_broken_syllables))
-    return;
-
+    return false;
+  if (likely (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE)))
+    return false;
 
   hb_codepoint_t dottedcircle_glyph;
   if (!font->get_nominal_glyph (0x25CCu, &dottedcircle_glyph))
-    return;
+    return false;
 
   hb_glyph_info_t dottedcircle = {0};
   dottedcircle.codepoint = 0x25CCu;
-  dottedcircle.complex_var_u8_category() = dottedcircle_category;
+  dottedcircle.ot_shaper_var_u8_category() = dottedcircle_category;
   if (dottedcircle_position != -1)
-    dottedcircle.complex_var_u8_auxiliary() = dottedcircle_position;
+    dottedcircle.ot_shaper_var_u8_auxiliary() = dottedcircle_position;
   dottedcircle.codepoint = dottedcircle_glyph;
 
   buffer->clear_output ();
@@ -87,7 +74,7 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
       {
 	while (buffer->idx < buffer->len && buffer->successful &&
 	       last_syllable == buffer->cur().syllable() &&
-	       buffer->cur().complex_var_u8_category() == (unsigned) repha_category)
+	       buffer->cur().ot_shaper_var_u8_category() == (unsigned) repha_category)
 	  (void) buffer->next_glyph ();
       }
 
@@ -97,6 +84,16 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
       (void) buffer->next_glyph ();
   }
   buffer->sync ();
+  return true;
+}
+
+HB_INTERNAL bool
+hb_syllabic_clear_var (const hb_ot_shape_plan_t *plan,
+		       hb_font_t *font,
+		       hb_buffer_t *buffer)
+{
+  HB_BUFFER_DEALLOCATE_VAR (buffer, syllable);
+  return false;
 }
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-syllabic.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-syllabic.hh
index b901a660d3..f240ad1c26 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-syllabic.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-syllabic.hh
@@ -22,15 +22,15 @@
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_SYLLABIC_HH
-#define HB_OT_SHAPE_COMPLEX_SYLLABIC_HH
+#ifndef HB_OT_SHAPER_SYLLABIC_HH
+#define HB_OT_SHAPER_SYLLABIC_HH
 
 #include "hb.hh"
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
-HB_INTERNAL void
+HB_INTERNAL bool
 hb_syllabic_insert_dotted_circles (hb_font_t *font,
 				   hb_buffer_t *buffer,
 				   unsigned int broken_syllable_type,
@@ -38,5 +38,10 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
 				   int repha_category = -1,
 				   int dottedcircle_position = -1);
 
+HB_INTERNAL bool
+hb_syllabic_clear_var (const hb_ot_shape_plan_t *plan,
+		       hb_font_t *font,
+		       hb_buffer_t *buffer);
 
-#endif /* HB_OT_SHAPE_COMPLEX_SYLLABIC_HH */
+
+#endif /* HB_OT_SHAPER_SYLLABIC_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-thai.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-thai.cc
index a1e27a83be..6cd67cde35 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-thai.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-thai.cc
@@ -28,7 +28,7 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 
 /* Thai / Lao shaper */
@@ -98,9 +98,9 @@ static hb_codepoint_t
 thai_pua_shape (hb_codepoint_t u, thai_action_t action, hb_font_t *font)
 {
   struct thai_pua_mapping_t {
-    hb_codepoint_t u;
-    hb_codepoint_t win_pua;
-    hb_codepoint_t mac_pua;
+    uint16_t u;
+    uint16_t win_pua;
+    uint16_t mac_pua;
   } const *pua_mappings = nullptr;
   static const thai_pua_mapping_t SD_mappings[] = {
     {0x0E48u, 0xF70Au, 0xF88Bu}, /* MAI EK */
@@ -222,7 +222,7 @@ do_thai_pua_shaping (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		     hb_buffer_t              *buffer,
 		     hb_font_t                *font)
 {
-#ifdef HB_NO_OT_SHAPE_COMPLEX_THAI_FALLBACK
+#ifdef HB_NO_OT_SHAPER_THAI_FALLBACK
   return;
 #endif
 
@@ -279,7 +279,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
    * to be what Uniscribe and other engines implement.  According to Eric Muller:
    *
    * When you have a SARA AM, decompose it in NIKHAHIT + SARA AA, *and* move the
-   * NIKHAHIT backwards over any tone mark (0E48-0E4B).
+   * NIKHAHIT backwards over any above-base marks.
    *
    * <0E14, 0E4B, 0E33> -> <0E14, 0E4D, 0E4B, 0E32>
    *
@@ -308,8 +308,8 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
    * Nikhahit:		U+0E4D	U+0ECD
    *
    * Testing shows that Uniscribe reorder the following marks:
-   * Thai:	<0E31,0E34..0E37,0E47..0E4E>
-   * Lao:	<0EB1,0EB4..0EB7,0EC7..0ECE>
+   * Thai:	<0E31,0E34..0E37,     0E47..0E4E>
+   * Lao:	<0EB1,0EB4..0EB7,0EBB,0EC8..0ECD>
    *
    * Note how the Lao versions are the same as Thai + 0x80.
    */
@@ -319,7 +319,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 #define IS_SARA_AM(x) (((x) & ~0x0080u) == 0x0E33u)
 #define NIKHAHIT_FROM_SARA_AM(x) ((x) - 0x0E33u + 0x0E4Du)
 #define SARA_AA_FROM_SARA_AM(x) ((x) - 1)
-#define IS_TONE_MARK(x) (hb_in_ranges<hb_codepoint_t> ((x) & ~0x0080u, 0x0E34u, 0x0E37u, 0x0E47u, 0x0E4Eu, 0x0E31u, 0x0E31u))
+#define IS_ABOVE_BASE_MARK(x) (hb_in_ranges<hb_codepoint_t> ((x) & ~0x0080u, 0x0E34u, 0x0E37u, 0x0E47u, 0x0E4Eu, 0x0E31u, 0x0E31u, 0x0E3Bu, 0x0E3Bu))
 
   buffer->clear_output ();
   unsigned int count = buffer->len;
@@ -343,7 +343,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 
     /* Ok, let's see... */
     unsigned int start = end - 2;
-    while (start > 0 && IS_TONE_MARK (buffer->out_info[start - 1].codepoint))
+    while (start > 0 && IS_ABOVE_BASE_MARK (buffer->out_info[start - 1].codepoint))
       start--;
 
     if (start + 2 < end)
@@ -371,7 +371,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
     do_thai_pua_shaping (plan, buffer, font);
 }
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
+const hb_ot_shaper_t _hb_ot_shaper_thai =
 {
   nullptr, /* collect_features */
   nullptr, /* override_features */
@@ -379,12 +379,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
   nullptr, /* data_destroy */
   preprocess_text_thai,
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   nullptr, /* decompose */
   nullptr, /* compose */
   nullptr, /* setup_masks */
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
   false,/* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-machine.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-machine.hh
new file mode 100644
index 0000000000..f2fbdb725b
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-machine.hh
@@ -0,0 +1,1080 @@
+
+#line 1 "hb-ot-shaper-use-machine.rl"
+/*
+ * Copyright © 2015  Mozilla Foundation.
+ * Copyright © 2015  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Mozilla Author(s): Jonathan Kew
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPER_USE_MACHINE_HH
+#define HB_OT_SHAPER_USE_MACHINE_HH
+
+#include "hb.hh"
+
+#include "hb-ot-shaper-syllabic.hh"
+
+/* buffer var allocations */
+#define use_category() ot_shaper_var_u8_category()
+
+#define USE(Cat) use_syllable_machine_ex_##Cat
+
+enum use_syllable_type_t {
+  use_virama_terminated_cluster,
+  use_sakot_terminated_cluster,
+  use_standard_cluster,
+  use_number_joiner_terminated_cluster,
+  use_numeral_cluster,
+  use_symbol_cluster,
+  use_hieroglyph_cluster,
+  use_broken_cluster,
+  use_non_cluster,
+};
+
+
+#line 54 "hb-ot-shaper-use-machine.hh"
+#define use_syllable_machine_ex_B 1u
+#define use_syllable_machine_ex_CGJ 6u
+#define use_syllable_machine_ex_CMAbv 31u
+#define use_syllable_machine_ex_CMBlw 32u
+#define use_syllable_machine_ex_CS 43u
+#define use_syllable_machine_ex_FAbv 24u
+#define use_syllable_machine_ex_FBlw 25u
+#define use_syllable_machine_ex_FMAbv 45u
+#define use_syllable_machine_ex_FMBlw 46u
+#define use_syllable_machine_ex_FMPst 47u
+#define use_syllable_machine_ex_FPst 26u
+#define use_syllable_machine_ex_G 49u
+#define use_syllable_machine_ex_GB 5u
+#define use_syllable_machine_ex_H 12u
+#define use_syllable_machine_ex_HN 13u
+#define use_syllable_machine_ex_HVM 53u
+#define use_syllable_machine_ex_IS 44u
+#define use_syllable_machine_ex_J 50u
+#define use_syllable_machine_ex_MAbv 27u
+#define use_syllable_machine_ex_MBlw 28u
+#define use_syllable_machine_ex_MPre 30u
+#define use_syllable_machine_ex_MPst 29u
+#define use_syllable_machine_ex_N 4u
+#define use_syllable_machine_ex_O 0u
+#define use_syllable_machine_ex_R 18u
+#define use_syllable_machine_ex_SB 51u
+#define use_syllable_machine_ex_SE 52u
+#define use_syllable_machine_ex_SMAbv 41u
+#define use_syllable_machine_ex_SMBlw 42u
+#define use_syllable_machine_ex_SUB 11u
+#define use_syllable_machine_ex_Sk 48u
+#define use_syllable_machine_ex_VAbv 33u
+#define use_syllable_machine_ex_VBlw 34u
+#define use_syllable_machine_ex_VMAbv 37u
+#define use_syllable_machine_ex_VMBlw 38u
+#define use_syllable_machine_ex_VMPre 23u
+#define use_syllable_machine_ex_VMPst 39u
+#define use_syllable_machine_ex_VPre 22u
+#define use_syllable_machine_ex_VPst 35u
+#define use_syllable_machine_ex_WJ 16u
+#define use_syllable_machine_ex_ZWNJ 14u
+
+
+#line 96 "hb-ot-shaper-use-machine.hh"
+static const unsigned char _use_syllable_machine_trans_keys[] = {
+	0u, 53u, 11u, 53u, 11u, 53u, 1u, 53u, 14u, 48u, 14u, 47u, 14u, 47u, 14u, 47u, 
+	14u, 46u, 14u, 46u, 14u, 14u, 14u, 48u, 14u, 48u, 14u, 48u, 1u, 14u, 14u, 48u, 
+	14u, 53u, 14u, 53u, 14u, 53u, 14u, 53u, 12u, 53u, 14u, 53u, 12u, 53u, 12u, 53u, 
+	12u, 53u, 11u, 53u, 1u, 14u, 1u, 48u, 11u, 53u, 14u, 42u, 14u, 42u, 11u, 53u, 
+	11u, 53u, 1u, 53u, 14u, 48u, 14u, 47u, 14u, 47u, 14u, 47u, 14u, 46u, 14u, 46u, 
+	14u, 14u, 14u, 48u, 14u, 48u, 14u, 48u, 1u, 14u, 14u, 48u, 14u, 53u, 14u, 53u, 
+	14u, 53u, 14u, 53u, 12u, 53u, 14u, 53u, 12u, 53u, 12u, 53u, 12u, 53u, 11u, 53u, 
+	1u, 14u, 1u, 14u, 1u, 48u, 13u, 14u, 4u, 14u, 11u, 53u, 11u, 53u, 1u, 53u, 
+	14u, 48u, 14u, 47u, 14u, 47u, 14u, 47u, 14u, 46u, 14u, 46u, 14u, 14u, 14u, 48u, 
+	14u, 48u, 14u, 48u, 1u, 14u, 14u, 48u, 14u, 53u, 14u, 53u, 14u, 53u, 14u, 53u, 
+	12u, 53u, 14u, 53u, 12u, 53u, 12u, 53u, 12u, 53u, 11u, 53u, 1u, 14u, 1u, 14u, 
+	1u, 48u, 11u, 53u, 11u, 53u, 1u, 53u, 14u, 48u, 14u, 47u, 14u, 47u, 14u, 47u, 
+	14u, 46u, 14u, 46u, 14u, 14u, 14u, 48u, 14u, 48u, 14u, 48u, 1u, 14u, 14u, 48u, 
+	14u, 53u, 14u, 53u, 14u, 53u, 14u, 53u, 12u, 53u, 14u, 53u, 12u, 53u, 12u, 53u, 
+	12u, 53u, 11u, 53u, 1u, 14u, 1u, 48u, 4u, 14u, 13u, 14u, 1u, 53u, 11u, 53u, 
+	14u, 42u, 14u, 42u, 1u, 5u, 14u, 52u, 14u, 52u, 14u, 51u, 0
+};
+
+static const char _use_syllable_machine_key_spans[] = {
+	54, 43, 43, 53, 35, 34, 34, 34, 
+	33, 33, 1, 35, 35, 35, 14, 35, 
+	40, 40, 40, 40, 42, 40, 42, 42, 
+	42, 43, 14, 48, 43, 29, 29, 43, 
+	43, 53, 35, 34, 34, 34, 33, 33, 
+	1, 35, 35, 35, 14, 35, 40, 40, 
+	40, 40, 42, 40, 42, 42, 42, 43, 
+	14, 14, 48, 2, 11, 43, 43, 53, 
+	35, 34, 34, 34, 33, 33, 1, 35, 
+	35, 35, 14, 35, 40, 40, 40, 40, 
+	42, 40, 42, 42, 42, 43, 14, 14, 
+	48, 43, 43, 53, 35, 34, 34, 34, 
+	33, 33, 1, 35, 35, 35, 14, 35, 
+	40, 40, 40, 40, 42, 40, 42, 42, 
+	42, 43, 14, 48, 11, 2, 53, 43, 
+	29, 29, 5, 39, 39, 38
+};
+
+static const short _use_syllable_machine_index_offsets[] = {
+	0, 55, 99, 143, 197, 233, 268, 303, 
+	338, 372, 406, 408, 444, 480, 516, 531, 
+	567, 608, 649, 690, 731, 774, 815, 858, 
+	901, 944, 988, 1003, 1052, 1096, 1126, 1156, 
+	1200, 1244, 1298, 1334, 1369, 1404, 1439, 1473, 
+	1507, 1509, 1545, 1581, 1617, 1632, 1668, 1709, 
+	1750, 1791, 1832, 1875, 1916, 1959, 2002, 2045, 
+	2089, 2104, 2119, 2168, 2171, 2183, 2227, 2271, 
+	2325, 2361, 2396, 2431, 2466, 2500, 2534, 2536, 
+	2572, 2608, 2644, 2659, 2695, 2736, 2777, 2818, 
+	2859, 2902, 2943, 2986, 3029, 3072, 3116, 3131, 
+	3146, 3195, 3239, 3283, 3337, 3373, 3408, 3443, 
+	3478, 3512, 3546, 3548, 3584, 3620, 3656, 3671, 
+	3707, 3748, 3789, 3830, 3871, 3914, 3955, 3998, 
+	4041, 4084, 4128, 4143, 4192, 4204, 4207, 4261, 
+	4305, 4335, 4365, 4371, 4411, 4451
+};
+
+static const unsigned char _use_syllable_machine_indicies[] = {
+	0, 1, 2, 2, 3, 4, 2, 2, 
+	2, 2, 2, 5, 6, 7, 8, 2, 
+	2, 2, 9, 2, 2, 2, 10, 11, 
+	12, 13, 14, 15, 16, 17, 18, 19, 
+	20, 21, 22, 23, 2, 24, 25, 26, 
+	2, 27, 28, 29, 30, 31, 32, 33, 
+	30, 34, 2, 35, 2, 36, 2, 38, 
+	39, 37, 40, 37, 37, 37, 37, 37, 
+	37, 37, 41, 42, 43, 44, 45, 46, 
+	47, 48, 49, 50, 51, 52, 53, 54, 
+	37, 55, 56, 57, 37, 58, 59, 37, 
+	60, 61, 62, 63, 60, 37, 37, 37, 
+	37, 64, 37, 38, 39, 37, 40, 37, 
+	37, 37, 37, 37, 37, 37, 41, 42, 
+	43, 44, 45, 46, 47, 48, 49, 51, 
+	51, 52, 53, 54, 37, 55, 56, 57, 
+	37, 37, 37, 37, 60, 61, 62, 63, 
+	60, 37, 37, 37, 37, 64, 37, 38, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 40, 37, 37, 37, 
+	37, 37, 37, 37, 37, 42, 43, 44, 
+	45, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 55, 56, 57, 37, 37, 
+	37, 37, 37, 61, 62, 63, 65, 37, 
+	37, 37, 37, 42, 37, 40, 37, 37, 
+	37, 37, 37, 37, 37, 37, 42, 43, 
+	44, 45, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 55, 56, 57, 37, 
+	37, 37, 37, 37, 61, 62, 63, 65, 
+	37, 40, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 43, 44, 45, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	61, 62, 63, 37, 40, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 44, 
+	45, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 61, 62, 63, 37, 40, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 45, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 61, 62, 
+	63, 37, 40, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 61, 62, 37, 40, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 62, 37, 40, 37, 
+	40, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 43, 44, 45, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 55, 
+	56, 57, 37, 37, 37, 37, 37, 61, 
+	62, 63, 65, 37, 40, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 43, 44, 
+	45, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 56, 57, 37, 37, 
+	37, 37, 37, 61, 62, 63, 65, 37, 
+	40, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 43, 44, 45, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 57, 37, 37, 37, 37, 37, 61, 
+	62, 63, 65, 37, 66, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 40, 37, 40, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 43, 44, 45, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 61, 62, 63, 65, 37, 40, 
+	37, 37, 37, 37, 37, 37, 37, 41, 
+	42, 43, 44, 45, 37, 37, 37, 37, 
+	37, 37, 52, 53, 54, 37, 55, 56, 
+	57, 37, 37, 37, 37, 37, 61, 62, 
+	63, 65, 37, 37, 37, 37, 42, 37, 
+	40, 37, 37, 37, 37, 37, 37, 37, 
+	37, 42, 43, 44, 45, 37, 37, 37, 
+	37, 37, 37, 52, 53, 54, 37, 55, 
+	56, 57, 37, 37, 37, 37, 37, 61, 
+	62, 63, 65, 37, 37, 37, 37, 42, 
+	37, 40, 37, 37, 37, 37, 37, 37, 
+	37, 37, 42, 43, 44, 45, 37, 37, 
+	37, 37, 37, 37, 37, 53, 54, 37, 
+	55, 56, 57, 37, 37, 37, 37, 37, 
+	61, 62, 63, 65, 37, 37, 37, 37, 
+	42, 37, 40, 37, 37, 37, 37, 37, 
+	37, 37, 37, 42, 43, 44, 45, 37, 
+	37, 37, 37, 37, 37, 37, 37, 54, 
+	37, 55, 56, 57, 37, 37, 37, 37, 
+	37, 61, 62, 63, 65, 37, 37, 37, 
+	37, 42, 37, 67, 37, 40, 37, 37, 
+	37, 37, 37, 37, 37, 41, 42, 43, 
+	44, 45, 37, 47, 48, 37, 37, 37, 
+	52, 53, 54, 37, 55, 56, 57, 37, 
+	37, 37, 37, 37, 61, 62, 63, 65, 
+	37, 37, 37, 37, 42, 37, 40, 37, 
+	37, 37, 37, 37, 37, 37, 37, 42, 
+	43, 44, 45, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 55, 56, 57, 
+	37, 37, 37, 37, 37, 61, 62, 63, 
+	65, 37, 37, 37, 37, 42, 37, 67, 
+	37, 40, 37, 37, 37, 37, 37, 37, 
+	37, 41, 42, 43, 44, 45, 37, 37, 
+	48, 37, 37, 37, 52, 53, 54, 37, 
+	55, 56, 57, 37, 37, 37, 37, 37, 
+	61, 62, 63, 65, 37, 37, 37, 37, 
+	42, 37, 67, 37, 40, 37, 37, 37, 
+	37, 37, 37, 37, 41, 42, 43, 44, 
+	45, 37, 37, 37, 37, 37, 37, 52, 
+	53, 54, 37, 55, 56, 57, 37, 37, 
+	37, 37, 37, 61, 62, 63, 65, 37, 
+	37, 37, 37, 42, 37, 67, 37, 40, 
+	37, 37, 37, 37, 37, 37, 37, 41, 
+	42, 43, 44, 45, 46, 47, 48, 37, 
+	37, 37, 52, 53, 54, 37, 55, 56, 
+	57, 37, 37, 37, 37, 37, 61, 62, 
+	63, 65, 37, 37, 37, 37, 42, 37, 
+	38, 39, 37, 40, 37, 37, 37, 37, 
+	37, 37, 37, 41, 42, 43, 44, 45, 
+	46, 47, 48, 49, 37, 51, 52, 53, 
+	54, 37, 55, 56, 57, 37, 37, 37, 
+	37, 60, 61, 62, 63, 60, 37, 37, 
+	37, 37, 64, 37, 38, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 40, 37, 38, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	40, 37, 37, 37, 37, 37, 37, 37, 
+	37, 42, 43, 44, 45, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 55, 
+	56, 57, 37, 37, 37, 37, 37, 61, 
+	62, 63, 65, 37, 38, 39, 37, 40, 
+	37, 37, 37, 37, 37, 37, 37, 41, 
+	42, 43, 44, 45, 46, 47, 48, 49, 
+	50, 51, 52, 53, 54, 37, 55, 56, 
+	57, 37, 37, 37, 37, 60, 61, 62, 
+	63, 60, 37, 37, 37, 37, 64, 37, 
+	40, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 58, 59, 37, 40, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 37, 37, 37, 37, 37, 37, 
+	37, 37, 59, 37, 69, 70, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 72, 
+	73, 74, 75, 76, 77, 78, 79, 80, 
+	1, 81, 82, 83, 84, 68, 85, 86, 
+	87, 68, 68, 68, 68, 88, 89, 90, 
+	91, 92, 68, 68, 68, 68, 93, 68, 
+	69, 70, 68, 71, 68, 68, 68, 68, 
+	68, 68, 68, 72, 73, 74, 75, 76, 
+	77, 78, 79, 80, 81, 81, 82, 83, 
+	84, 68, 85, 86, 87, 68, 68, 68, 
+	68, 88, 89, 90, 91, 92, 68, 68, 
+	68, 68, 93, 68, 69, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 73, 74, 75, 76, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	85, 86, 87, 68, 68, 68, 68, 68, 
+	89, 90, 91, 94, 68, 68, 68, 68, 
+	73, 68, 71, 68, 68, 68, 68, 68, 
+	68, 68, 68, 73, 74, 75, 76, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 85, 86, 87, 68, 68, 68, 68, 
+	68, 89, 90, 91, 94, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	74, 75, 76, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 89, 90, 91, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 75, 76, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	89, 90, 91, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	76, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 89, 90, 91, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 89, 90, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 90, 68, 71, 68, 71, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 74, 
+	75, 76, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 85, 86, 87, 68, 
+	68, 68, 68, 68, 89, 90, 91, 94, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 74, 75, 76, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 86, 87, 68, 68, 68, 68, 68, 
+	89, 90, 91, 94, 68, 71, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 74, 
+	75, 76, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 87, 68, 
+	68, 68, 68, 68, 89, 90, 91, 94, 
+	68, 96, 95, 95, 95, 95, 95, 95, 
+	95, 95, 95, 95, 95, 95, 97, 95, 
+	71, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 74, 75, 76, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 89, 
+	90, 91, 94, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 72, 73, 74, 75, 
+	76, 68, 68, 68, 68, 68, 68, 82, 
+	83, 84, 68, 85, 86, 87, 68, 68, 
+	68, 68, 68, 89, 90, 91, 94, 68, 
+	68, 68, 68, 73, 68, 71, 68, 68, 
+	68, 68, 68, 68, 68, 68, 73, 74, 
+	75, 76, 68, 68, 68, 68, 68, 68, 
+	82, 83, 84, 68, 85, 86, 87, 68, 
+	68, 68, 68, 68, 89, 90, 91, 94, 
+	68, 68, 68, 68, 73, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 68, 73, 
+	74, 75, 76, 68, 68, 68, 68, 68, 
+	68, 68, 83, 84, 68, 85, 86, 87, 
+	68, 68, 68, 68, 68, 89, 90, 91, 
+	94, 68, 68, 68, 68, 73, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	73, 74, 75, 76, 68, 68, 68, 68, 
+	68, 68, 68, 68, 84, 68, 85, 86, 
+	87, 68, 68, 68, 68, 68, 89, 90, 
+	91, 94, 68, 68, 68, 68, 73, 68, 
+	98, 68, 71, 68, 68, 68, 68, 68, 
+	68, 68, 72, 73, 74, 75, 76, 68, 
+	78, 79, 68, 68, 68, 82, 83, 84, 
+	68, 85, 86, 87, 68, 68, 68, 68, 
+	68, 89, 90, 91, 94, 68, 68, 68, 
+	68, 73, 68, 71, 68, 68, 68, 68, 
+	68, 68, 68, 68, 73, 74, 75, 76, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 85, 86, 87, 68, 68, 68, 
+	68, 68, 89, 90, 91, 94, 68, 68, 
+	68, 68, 73, 68, 98, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 72, 73, 
+	74, 75, 76, 68, 68, 79, 68, 68, 
+	68, 82, 83, 84, 68, 85, 86, 87, 
+	68, 68, 68, 68, 68, 89, 90, 91, 
+	94, 68, 68, 68, 68, 73, 68, 98, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 72, 73, 74, 75, 76, 68, 68, 
+	68, 68, 68, 68, 82, 83, 84, 68, 
+	85, 86, 87, 68, 68, 68, 68, 68, 
+	89, 90, 91, 94, 68, 68, 68, 68, 
+	73, 68, 98, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 72, 73, 74, 75, 
+	76, 77, 78, 79, 68, 68, 68, 82, 
+	83, 84, 68, 85, 86, 87, 68, 68, 
+	68, 68, 68, 89, 90, 91, 94, 68, 
+	68, 68, 68, 73, 68, 69, 70, 68, 
+	71, 68, 68, 68, 68, 68, 68, 68, 
+	72, 73, 74, 75, 76, 77, 78, 79, 
+	80, 68, 81, 82, 83, 84, 68, 85, 
+	86, 87, 68, 68, 68, 68, 88, 89, 
+	90, 91, 92, 68, 68, 68, 68, 93, 
+	68, 69, 99, 99, 99, 99, 99, 99, 
+	99, 99, 99, 99, 99, 99, 100, 99, 
+	69, 95, 95, 95, 95, 95, 95, 95, 
+	95, 95, 95, 95, 95, 97, 95, 69, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 73, 74, 75, 
+	76, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 85, 86, 87, 68, 68, 
+	68, 68, 68, 89, 90, 91, 94, 68, 
+	102, 103, 101, 3, 104, 104, 104, 104, 
+	104, 104, 104, 104, 104, 105, 104, 106, 
+	107, 68, 71, 68, 68, 68, 68, 68, 
+	68, 68, 108, 109, 110, 111, 112, 113, 
+	114, 115, 116, 117, 118, 119, 120, 121, 
+	68, 122, 123, 124, 68, 58, 59, 68, 
+	125, 126, 127, 128, 129, 68, 68, 68, 
+	68, 130, 68, 106, 107, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 108, 109, 
+	110, 111, 112, 113, 114, 115, 116, 118, 
+	118, 119, 120, 121, 68, 122, 123, 124, 
+	68, 68, 68, 68, 125, 126, 127, 128, 
+	129, 68, 68, 68, 68, 130, 68, 106, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 109, 110, 111, 
+	112, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 122, 123, 124, 68, 68, 
+	68, 68, 68, 126, 127, 128, 131, 68, 
+	68, 68, 68, 109, 68, 71, 68, 68, 
+	68, 68, 68, 68, 68, 68, 109, 110, 
+	111, 112, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 122, 123, 124, 68, 
+	68, 68, 68, 68, 126, 127, 128, 131, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 110, 111, 112, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	126, 127, 128, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 111, 
+	112, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 126, 127, 128, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 112, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 126, 127, 
+	128, 68, 71, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 126, 127, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 127, 68, 71, 68, 
+	71, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 110, 111, 112, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 122, 
+	123, 124, 68, 68, 68, 68, 68, 126, 
+	127, 128, 131, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 110, 111, 
+	112, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 123, 124, 68, 68, 
+	68, 68, 68, 126, 127, 128, 131, 68, 
+	71, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 110, 111, 112, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 124, 68, 68, 68, 68, 68, 126, 
+	127, 128, 131, 68, 132, 95, 95, 95, 
+	95, 95, 95, 95, 95, 95, 95, 95, 
+	95, 97, 95, 71, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 110, 111, 112, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	68, 68, 126, 127, 128, 131, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 108, 
+	109, 110, 111, 112, 68, 68, 68, 68, 
+	68, 68, 119, 120, 121, 68, 122, 123, 
+	124, 68, 68, 68, 68, 68, 126, 127, 
+	128, 131, 68, 68, 68, 68, 109, 68, 
+	71, 68, 68, 68, 68, 68, 68, 68, 
+	68, 109, 110, 111, 112, 68, 68, 68, 
+	68, 68, 68, 119, 120, 121, 68, 122, 
+	123, 124, 68, 68, 68, 68, 68, 126, 
+	127, 128, 131, 68, 68, 68, 68, 109, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 68, 109, 110, 111, 112, 68, 68, 
+	68, 68, 68, 68, 68, 120, 121, 68, 
+	122, 123, 124, 68, 68, 68, 68, 68, 
+	126, 127, 128, 131, 68, 68, 68, 68, 
+	109, 68, 71, 68, 68, 68, 68, 68, 
+	68, 68, 68, 109, 110, 111, 112, 68, 
+	68, 68, 68, 68, 68, 68, 68, 121, 
+	68, 122, 123, 124, 68, 68, 68, 68, 
+	68, 126, 127, 128, 131, 68, 68, 68, 
+	68, 109, 68, 133, 68, 71, 68, 68, 
+	68, 68, 68, 68, 68, 108, 109, 110, 
+	111, 112, 68, 114, 115, 68, 68, 68, 
+	119, 120, 121, 68, 122, 123, 124, 68, 
+	68, 68, 68, 68, 126, 127, 128, 131, 
+	68, 68, 68, 68, 109, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 68, 109, 
+	110, 111, 112, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 122, 123, 124, 
+	68, 68, 68, 68, 68, 126, 127, 128, 
+	131, 68, 68, 68, 68, 109, 68, 133, 
+	68, 71, 68, 68, 68, 68, 68, 68, 
+	68, 108, 109, 110, 111, 112, 68, 68, 
+	115, 68, 68, 68, 119, 120, 121, 68, 
+	122, 123, 124, 68, 68, 68, 68, 68, 
+	126, 127, 128, 131, 68, 68, 68, 68, 
+	109, 68, 133, 68, 71, 68, 68, 68, 
+	68, 68, 68, 68, 108, 109, 110, 111, 
+	112, 68, 68, 68, 68, 68, 68, 119, 
+	120, 121, 68, 122, 123, 124, 68, 68, 
+	68, 68, 68, 126, 127, 128, 131, 68, 
+	68, 68, 68, 109, 68, 133, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 108, 
+	109, 110, 111, 112, 113, 114, 115, 68, 
+	68, 68, 119, 120, 121, 68, 122, 123, 
+	124, 68, 68, 68, 68, 68, 126, 127, 
+	128, 131, 68, 68, 68, 68, 109, 68, 
+	106, 107, 68, 71, 68, 68, 68, 68, 
+	68, 68, 68, 108, 109, 110, 111, 112, 
+	113, 114, 115, 116, 68, 118, 119, 120, 
+	121, 68, 122, 123, 124, 68, 68, 68, 
+	68, 125, 126, 127, 128, 129, 68, 68, 
+	68, 68, 130, 68, 106, 99, 99, 99, 
+	99, 99, 99, 99, 99, 99, 99, 99, 
+	99, 100, 99, 106, 95, 95, 95, 95, 
+	95, 95, 95, 95, 95, 95, 95, 95, 
+	97, 95, 106, 68, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 68, 71, 
+	68, 68, 68, 68, 68, 68, 68, 68, 
+	109, 110, 111, 112, 68, 68, 68, 68, 
+	68, 68, 68, 68, 68, 68, 122, 123, 
+	124, 68, 68, 68, 68, 68, 126, 127, 
+	128, 131, 68, 106, 107, 68, 71, 68, 
+	68, 68, 68, 68, 68, 68, 108, 109, 
+	110, 111, 112, 113, 114, 115, 116, 117, 
+	118, 119, 120, 121, 68, 122, 123, 124, 
+	68, 68, 68, 68, 125, 126, 127, 128, 
+	129, 68, 68, 68, 68, 130, 68, 5, 
+	6, 134, 8, 134, 134, 134, 134, 134, 
+	134, 134, 10, 11, 12, 13, 14, 15, 
+	16, 17, 18, 20, 20, 21, 22, 23, 
+	134, 24, 25, 26, 134, 134, 134, 134, 
+	30, 31, 32, 33, 30, 134, 134, 134, 
+	134, 36, 134, 5, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	134, 11, 12, 13, 14, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 24, 
+	25, 26, 134, 134, 134, 134, 134, 31, 
+	32, 33, 135, 134, 134, 134, 134, 11, 
+	134, 8, 134, 134, 134, 134, 134, 134, 
+	134, 134, 11, 12, 13, 14, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	24, 25, 26, 134, 134, 134, 134, 134, 
+	31, 32, 33, 135, 134, 8, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 12, 
+	13, 14, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 31, 32, 33, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 13, 14, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 31, 
+	32, 33, 134, 8, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 14, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 31, 32, 33, 134, 8, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 31, 32, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	32, 134, 8, 134, 8, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 12, 13, 
+	14, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 24, 25, 26, 134, 134, 
+	134, 134, 134, 31, 32, 33, 135, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 12, 13, 14, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	25, 26, 134, 134, 134, 134, 134, 31, 
+	32, 33, 135, 134, 8, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 12, 13, 
+	14, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 26, 134, 134, 
+	134, 134, 134, 31, 32, 33, 135, 134, 
+	136, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 8, 134, 8, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 12, 13, 14, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 31, 32, 
+	33, 135, 134, 8, 134, 134, 134, 134, 
+	134, 134, 134, 10, 11, 12, 13, 14, 
+	134, 134, 134, 134, 134, 134, 21, 22, 
+	23, 134, 24, 25, 26, 134, 134, 134, 
+	134, 134, 31, 32, 33, 135, 134, 134, 
+	134, 134, 11, 134, 8, 134, 134, 134, 
+	134, 134, 134, 134, 134, 11, 12, 13, 
+	14, 134, 134, 134, 134, 134, 134, 21, 
+	22, 23, 134, 24, 25, 26, 134, 134, 
+	134, 134, 134, 31, 32, 33, 135, 134, 
+	134, 134, 134, 11, 134, 8, 134, 134, 
+	134, 134, 134, 134, 134, 134, 11, 12, 
+	13, 14, 134, 134, 134, 134, 134, 134, 
+	134, 22, 23, 134, 24, 25, 26, 134, 
+	134, 134, 134, 134, 31, 32, 33, 135, 
+	134, 134, 134, 134, 11, 134, 8, 134, 
+	134, 134, 134, 134, 134, 134, 134, 11, 
+	12, 13, 14, 134, 134, 134, 134, 134, 
+	134, 134, 134, 23, 134, 24, 25, 26, 
+	134, 134, 134, 134, 134, 31, 32, 33, 
+	135, 134, 134, 134, 134, 11, 134, 137, 
+	134, 8, 134, 134, 134, 134, 134, 134, 
+	134, 10, 11, 12, 13, 14, 134, 16, 
+	17, 134, 134, 134, 21, 22, 23, 134, 
+	24, 25, 26, 134, 134, 134, 134, 134, 
+	31, 32, 33, 135, 134, 134, 134, 134, 
+	11, 134, 8, 134, 134, 134, 134, 134, 
+	134, 134, 134, 11, 12, 13, 14, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 24, 25, 26, 134, 134, 134, 134, 
+	134, 31, 32, 33, 135, 134, 134, 134, 
+	134, 11, 134, 137, 134, 8, 134, 134, 
+	134, 134, 134, 134, 134, 10, 11, 12, 
+	13, 14, 134, 134, 17, 134, 134, 134, 
+	21, 22, 23, 134, 24, 25, 26, 134, 
+	134, 134, 134, 134, 31, 32, 33, 135, 
+	134, 134, 134, 134, 11, 134, 137, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	10, 11, 12, 13, 14, 134, 134, 134, 
+	134, 134, 134, 21, 22, 23, 134, 24, 
+	25, 26, 134, 134, 134, 134, 134, 31, 
+	32, 33, 135, 134, 134, 134, 134, 11, 
+	134, 137, 134, 8, 134, 134, 134, 134, 
+	134, 134, 134, 10, 11, 12, 13, 14, 
+	15, 16, 17, 134, 134, 134, 21, 22, 
+	23, 134, 24, 25, 26, 134, 134, 134, 
+	134, 134, 31, 32, 33, 135, 134, 134, 
+	134, 134, 11, 134, 5, 6, 134, 8, 
+	134, 134, 134, 134, 134, 134, 134, 10, 
+	11, 12, 13, 14, 15, 16, 17, 18, 
+	134, 20, 21, 22, 23, 134, 24, 25, 
+	26, 134, 134, 134, 134, 30, 31, 32, 
+	33, 30, 134, 134, 134, 134, 36, 134, 
+	5, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 8, 134, 5, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 8, 134, 134, 134, 
+	134, 134, 134, 134, 134, 11, 12, 13, 
+	14, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 24, 25, 26, 134, 134, 
+	134, 134, 134, 31, 32, 33, 135, 134, 
+	138, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 8, 134, 7, 8, 134, 1, 
+	134, 134, 134, 1, 134, 134, 134, 134, 
+	134, 5, 6, 7, 8, 134, 134, 134, 
+	134, 134, 134, 134, 10, 11, 12, 13, 
+	14, 15, 16, 17, 18, 19, 20, 21, 
+	22, 23, 134, 24, 25, 26, 134, 27, 
+	28, 134, 30, 31, 32, 33, 30, 134, 
+	134, 134, 134, 36, 134, 5, 6, 134, 
+	8, 134, 134, 134, 134, 134, 134, 134, 
+	10, 11, 12, 13, 14, 15, 16, 17, 
+	18, 19, 20, 21, 22, 23, 134, 24, 
+	25, 26, 134, 134, 134, 134, 30, 31, 
+	32, 33, 30, 134, 134, 134, 134, 36, 
+	134, 8, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 27, 28, 134, 8, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 134, 134, 134, 134, 134, 
+	134, 134, 134, 28, 134, 1, 139, 139, 
+	139, 1, 139, 141, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 142, 
+	140, 34, 140, 141, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 34, 142, 
+	140, 142, 140, 141, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 140, 140, 
+	140, 140, 140, 140, 140, 140, 34, 140, 
+	35, 140, 0
+};
+
+static const char _use_syllable_machine_trans_targs[] = {
+	1, 31, 0, 59, 61, 90, 91, 116, 
+	0, 118, 104, 92, 93, 94, 95, 108, 
+	110, 111, 112, 119, 113, 105, 106, 107, 
+	99, 100, 101, 120, 121, 122, 114, 96, 
+	97, 98, 123, 125, 115, 0, 2, 3, 
+	0, 16, 4, 5, 6, 7, 20, 22, 
+	23, 24, 28, 25, 17, 18, 19, 11, 
+	12, 13, 29, 30, 26, 8, 9, 10, 
+	27, 14, 15, 21, 0, 32, 33, 0, 
+	46, 34, 35, 36, 37, 50, 52, 53, 
+	54, 55, 47, 48, 49, 41, 42, 43, 
+	56, 38, 39, 40, 57, 58, 44, 0, 
+	45, 0, 51, 0, 0, 0, 60, 0, 
+	0, 0, 62, 63, 76, 64, 65, 66, 
+	67, 80, 82, 83, 84, 89, 85, 77, 
+	78, 79, 71, 72, 73, 86, 68, 69, 
+	70, 87, 88, 74, 75, 81, 0, 102, 
+	103, 109, 117, 0, 0, 0, 124
+};
+
+static const char _use_syllable_machine_trans_actions[] = {
+	0, 0, 3, 0, 0, 0, 0, 0, 
+	4, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 5, 0, 0, 
+	6, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 7, 0, 0, 8, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 9, 
+	0, 10, 0, 11, 12, 13, 0, 14, 
+	15, 16, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 17, 0, 
+	0, 0, 0, 18, 19, 20, 0
+};
+
+static const char _use_syllable_machine_to_state_actions[] = {
+	1, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0
+};
+
+static const char _use_syllable_machine_from_state_actions[] = {
+	2, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
+	0, 0, 0, 0, 0, 0
+};
+
+static const short _use_syllable_machine_eof_trans[] = {
+	0, 38, 38, 38, 38, 38, 38, 38, 
+	38, 38, 38, 38, 38, 38, 38, 38, 
+	38, 38, 38, 38, 38, 38, 38, 38, 
+	38, 38, 38, 38, 38, 38, 38, 69, 
+	69, 69, 69, 69, 69, 69, 69, 69, 
+	69, 69, 69, 69, 96, 69, 69, 69, 
+	69, 69, 69, 69, 69, 69, 69, 69, 
+	100, 96, 69, 102, 105, 69, 69, 69, 
+	69, 69, 69, 69, 69, 69, 69, 69, 
+	69, 69, 96, 69, 69, 69, 69, 69, 
+	69, 69, 69, 69, 69, 69, 100, 96, 
+	69, 69, 135, 135, 135, 135, 135, 135, 
+	135, 135, 135, 135, 135, 135, 135, 135, 
+	135, 135, 135, 135, 135, 135, 135, 135, 
+	135, 135, 135, 135, 135, 135, 135, 135, 
+	135, 135, 140, 141, 141, 141
+};
+
+static const int use_syllable_machine_start = 0;
+static const int use_syllable_machine_first_final = 0;
+static const int use_syllable_machine_error = -1;
+
+static const int use_syllable_machine_en_main = 0;
+
+
+#line 58 "hb-ot-shaper-use-machine.rl"
+
+
+
+#line 182 "hb-ot-shaper-use-machine.rl"
+
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", (*ts).second.first, (*te).second.first, #syllable_type); \
+    for (unsigned i = (*ts).second.first; i < (*te).second.first; ++i) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    syllable_serial++; \
+    if (syllable_serial == 16) syllable_serial = 1; \
+  } HB_STMT_END
+
+
+template <typename Iter>
+struct machine_index_t :
+  hb_iter_with_fallback_t<machine_index_t<Iter>,
+			  typename Iter::item_t>
+{
+  machine_index_t (const Iter& it) : it (it) {}
+  machine_index_t (const machine_index_t& o) : hb_iter_with_fallback_t<machine_index_t<Iter>,
+								       typename Iter::item_t> (),
+					       it (o.it), is_null (o.is_null) {}
+
+  static constexpr bool is_random_access_iterator = Iter::is_random_access_iterator;
+  static constexpr bool is_sorted_iterator = Iter::is_sorted_iterator;
+
+  typename Iter::item_t __item__ () const { return *it; }
+  typename Iter::item_t __item_at__ (unsigned i) const { return it[i]; }
+  unsigned __len__ () const { return it.len (); }
+  void __next__ () { ++it; }
+  void __forward__ (unsigned n) { it += n; }
+  void __prev__ () { --it; }
+  void __rewind__ (unsigned n) { it -= n; }
+
+  void operator = (unsigned n)
+  {
+    assert (n == 0);
+    is_null = true;
+  }
+  explicit operator bool () { return !is_null; }
+
+  void operator = (const machine_index_t& o)
+  {
+    is_null = o.is_null;
+    unsigned index = (*it).first;
+    unsigned n = (*o.it).first;
+    if (index < n) it += n - index; else if (index > n) it -= index - n;
+  }
+  bool operator == (const machine_index_t& o) const
+  { return is_null ? o.is_null : !o.is_null && (*it).first == (*o.it).first; }
+  bool operator != (const machine_index_t& o) const { return !(*this == o); }
+
+  private:
+  Iter it;
+  bool is_null = false;
+};
+struct
+{
+  template <typename Iter,
+	    hb_requires (hb_is_iterable (Iter))>
+  machine_index_t<hb_iter_type<Iter>>
+  operator () (Iter&& it) const
+  { return machine_index_t<hb_iter_type<Iter>> (hb_iter (it)); }
+}
+HB_FUNCOBJ (machine_index);
+
+
+
+static bool
+not_ccs_default_ignorable (const hb_glyph_info_t &i)
+{ return i.use_category() != USE(CGJ); }
+
+static inline void
+find_syllables_use (hb_buffer_t *buffer)
+{
+  hb_glyph_info_t *info = buffer->info;
+  auto p =
+    + hb_iter (info, buffer->len)
+    | hb_enumerate
+    | hb_filter ([] (const hb_glyph_info_t &i) { return not_ccs_default_ignorable (i); },
+		 hb_second)
+    | hb_filter ([&] (const hb_pair_t<unsigned, const hb_glyph_info_t &> p)
+		 {
+		   if (p.second.use_category() == USE(ZWNJ))
+		     for (unsigned i = p.first + 1; i < buffer->len; ++i)
+		       if (not_ccs_default_ignorable (info[i]))
+			 return !_hb_glyph_info_is_unicode_mark (&info[i]);
+		   return true;
+		 })
+    | hb_enumerate
+    | machine_index
+    ;
+  auto pe = p + p.len ();
+  auto eof = +pe;
+  auto ts = +p;
+  auto te = +p;
+  unsigned int act HB_UNUSED;
+  int cs;
+  
+#line 922 "hb-ot-shaper-use-machine.hh"
+	{
+	cs = use_syllable_machine_start;
+	ts = 0;
+	te = 0;
+	act = 0;
+	}
+
+#line 282 "hb-ot-shaper-use-machine.rl"
+
+
+  unsigned int syllable_serial = 1;
+  
+#line 931 "hb-ot-shaper-use-machine.hh"
+	{
+	int _slen;
+	int _trans;
+	const unsigned char *_keys;
+	const unsigned char *_inds;
+	if ( p == pe )
+		goto _test_eof;
+_resume:
+	switch ( _use_syllable_machine_from_state_actions[cs] ) {
+	case 2:
+#line 1 "NONE"
+	{ts = p;}
+	break;
+#line 943 "hb-ot-shaper-use-machine.hh"
+	}
+
+	_keys = _use_syllable_machine_trans_keys + (cs<<1);
+	_inds = _use_syllable_machine_indicies + _use_syllable_machine_index_offsets[cs];
+
+	_slen = _use_syllable_machine_key_spans[cs];
+	_trans = _inds[ _slen > 0 && _keys[0] <=( (*p).second.second.use_category()) &&
+		( (*p).second.second.use_category()) <= _keys[1] ?
+		( (*p).second.second.use_category()) - _keys[0] : _slen ];
+
+_eof_trans:
+	cs = _use_syllable_machine_trans_targs[_trans];
+
+	if ( _use_syllable_machine_trans_actions[_trans] == 0 )
+		goto _again;
+
+	switch ( _use_syllable_machine_trans_actions[_trans] ) {
+	case 12:
+#line 170 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_virama_terminated_cluster); }}
+	break;
+	case 10:
+#line 171 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_sakot_terminated_cluster); }}
+	break;
+	case 8:
+#line 172 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_standard_cluster); }}
+	break;
+	case 16:
+#line 173 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_number_joiner_terminated_cluster); }}
+	break;
+	case 14:
+#line 174 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_numeral_cluster); }}
+	break;
+	case 6:
+#line 175 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_symbol_cluster); }}
+	break;
+	case 20:
+#line 176 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_hieroglyph_cluster); }}
+	break;
+	case 4:
+#line 177 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 3:
+#line 178 "hb-ot-shaper-use-machine.rl"
+	{te = p+1;{ found_syllable (use_non_cluster); }}
+	break;
+	case 11:
+#line 170 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_virama_terminated_cluster); }}
+	break;
+	case 9:
+#line 171 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_sakot_terminated_cluster); }}
+	break;
+	case 7:
+#line 172 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_standard_cluster); }}
+	break;
+	case 15:
+#line 173 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_number_joiner_terminated_cluster); }}
+	break;
+	case 13:
+#line 174 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_numeral_cluster); }}
+	break;
+	case 5:
+#line 175 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_symbol_cluster); }}
+	break;
+	case 19:
+#line 176 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_hieroglyph_cluster); }}
+	break;
+	case 17:
+#line 177 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }}
+	break;
+	case 18:
+#line 178 "hb-ot-shaper-use-machine.rl"
+	{te = p;p--;{ found_syllable (use_non_cluster); }}
+	break;
+#line 1014 "hb-ot-shaper-use-machine.hh"
+	}
+
+_again:
+	switch ( _use_syllable_machine_to_state_actions[cs] ) {
+	case 1:
+#line 1 "NONE"
+	{ts = 0;}
+	break;
+#line 1021 "hb-ot-shaper-use-machine.hh"
+	}
+
+	if ( ++p != pe )
+		goto _resume;
+	_test_eof: {}
+	if ( p == eof )
+	{
+	if ( _use_syllable_machine_eof_trans[cs] > 0 ) {
+		_trans = _use_syllable_machine_eof_trans[cs] - 1;
+		goto _eof_trans;
+	}
+	}
+
+	}
+
+#line 287 "hb-ot-shaper-use-machine.rl"
+
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPER_USE_MACHINE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-table.hh
new file mode 100644
index 0000000000..6b6b552ee5
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use-table.hh
@@ -0,0 +1,674 @@
+/* == Start of generated table == */
+/*
+ * The following table is generated by running:
+ *
+ *   ./gen-use-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt ArabicShaping.txt DerivedCoreProperties.txt UnicodeData.txt Blocks.txt Scripts.txt IndicSyllabicCategory-Additional.txt IndicPositionalCategory-Additional.txt
+ *
+ * on files with these headers:
+ *
+ * # IndicSyllabicCategory-15.0.0.txt
+ * # Date: 2022-05-26, 02:18:00 GMT [KW, RP]
+ * # IndicPositionalCategory-15.0.0.txt
+ * # Date: 2022-05-26, 02:18:00 GMT [KW, RP]
+ * # ArabicShaping-15.0.0.txt
+ * # Date: 2022-02-14, 18:50:00 GMT [KW, RP]
+ * # DerivedCoreProperties-15.0.0.txt
+ * # Date: 2022-08-05, 22:17:05 GMT
+ * # Blocks-15.0.0.txt
+ * # Date: 2022-01-28, 20:58:00 GMT [KW]
+ * # Scripts-15.0.0.txt
+ * # Date: 2022-04-26, 23:15:02 GMT
+ * # Override values For Indic_Syllabic_Category
+ * # Not derivable
+ * # Initial version based on Unicode 7.0 by Andrew Glass 2014-03-17
+ * # Updated for Unicode 10.0 by Andrew Glass 2017-07-25
+ * # Updated for Unicode 12.1 by Andrew Glass 2019-05-24
+ * # Updated for Unicode 13.0 by Andrew Glass 2020-07-28
+ * # Updated for Unicode 14.0 by Andrew Glass 2021-09-25
+ * # Updated for Unicode 15.0 by Andrew Glass 2022-09-16
+ * # Override values For Indic_Positional_Category
+ * # Not derivable
+ * # Initial version based on Unicode 7.0 by Andrew Glass 2014-03-17
+ * # Updated for Unicode 10.0 by Andrew Glass 2017-07-25
+ * # Ammended for Unicode 10.0 by Andrew Glass 2018-09-21
+ * # Updated for L2/19-083    by Andrew Glass 2019-05-06
+ * # Updated for Unicode 12.1 by Andrew Glass 2019-05-30
+ * # Updated for Unicode 13.0 by Andrew Glass 2020-07-28
+ * # Updated for Unicode 14.0 by Andrew Glass 2021-09-28
+ * # Updated for Unicode 15.0 by Andrew Glass 2022-09-16
+ * UnicodeData.txt does not have a header.
+ */
+
+#ifndef HB_OT_SHAPER_USE_TABLE_HH
+#define HB_OT_SHAPER_USE_TABLE_HH
+
+#include "hb.hh"
+
+#include "hb-ot-shaper-use-machine.hh"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-macros"
+#define B	USE(B)	/* BASE */
+#define CGJ	USE(CGJ)	/* CGJ */
+#define CS	USE(CS)	/* CONS_WITH_STACKER */
+#define G	USE(G)	/* HIEROGLYPH */
+#define GB	USE(GB)	/* BASE_OTHER */
+#define H	USE(H)	/* HALANT */
+#define HN	USE(HN)	/* HALANT_NUM */
+#define HVM	USE(HVM)	/* HALANT_OR_VOWEL_MODIFIER */
+#define IS	USE(IS)	/* INVISIBLE_STACKER */
+#define J	USE(J)	/* HIEROGLYPH_JOINER */
+#define N	USE(N)	/* BASE_NUM */
+#define O	USE(O)	/* OTHER */
+#define R	USE(R)	/* REPHA */
+#define SB	USE(SB)	/* HIEROGLYPH_SEGMENT_BEGIN */
+#define SE	USE(SE)	/* HIEROGLYPH_SEGMENT_END */
+#define SUB	USE(SUB)	/* CONS_SUB */
+#define Sk	USE(Sk)	/* SAKOT */
+#define WJ	USE(WJ)	/* Word_Joiner */
+#define ZWNJ	USE(ZWNJ)	/* ZWNJ */
+#define CMAbv	USE(CMAbv)
+#define CMBlw	USE(CMBlw)
+#define FAbv	USE(FAbv)
+#define FBlw	USE(FBlw)
+#define FPst	USE(FPst)
+#define FMAbv	USE(FMAbv)
+#define FMBlw	USE(FMBlw)
+#define FMPst	USE(FMPst)
+#define MAbv	USE(MAbv)
+#define MBlw	USE(MBlw)
+#define MPst	USE(MPst)
+#define MPre	USE(MPre)
+#define SMAbv	USE(SMAbv)
+#define SMBlw	USE(SMBlw)
+#define VAbv	USE(VAbv)
+#define VBlw	USE(VBlw)
+#define VPst	USE(VPst)
+#define VPre	USE(VPre)
+#define VMAbv	USE(VMAbv)
+#define VMBlw	USE(VMBlw)
+#define VMPst	USE(VMPst)
+#define VMPre	USE(VMPre)
+#pragma GCC diagnostic pop
+
+
+#ifndef HB_OPTIMIZE_SIZE
+
+static const uint8_t
+hb_use_u8[3141] =
+{
+     16,   50,   51,   51,   51,   52,   51,   83,  118,  131,   51,   57,   58,  179,  195,   61,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     14,    0,    1,    2,    2,    2,    2,    3,    2,    2,    2,    2,    2,    4,    2,    2,
+      5,    6,    2,    7,    8,    9,   10,   11,   12,   13,   14,   15,   16,    2,    2,   17,
+     18,   19,   20,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,   21,
+     22,   23,   24,   25,   26,   27,   28,   29,   30,   31,   32,    2,   33,    2,    2,    2,
+      2,   34,   35,    2,    2,    2,    2,    2,    2,    2,    2,    2,   36,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,   37,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,   38,   39,   40,   41,   42,   43,    2,   44,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,   45,   46,    2,
+     47,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,   48,   49,    2,    2,    2,
+      2,    2,    2,    2,    2,   50,   51,    2,   52,    2,    2,   53,    2,    2,   54,   55,
+     56,   57,   58,   59,   60,   61,   62,   63,    2,   64,   65,    2,   66,   67,   68,   69,
+      2,   70,    2,   71,   72,   73,   74,    2,    2,   75,   76,   77,   78,    2,   79,   80,
+      2,   81,   81,   81,   81,   81,   81,   81,   81,   82,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,   83,   84,    2,    2,    2,    2,    2,    2,    2,   85,
+     86,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,   81,   81,   81,   87,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,   88,   89,    2,    2,    2,    2,    2,
+      2,    2,    2,   90,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,   91,    2,    2,   92,    2,    2,    2,   93,    2,    2,    2,    2,    2,
+      2,    2,    2,   94,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,   95,   95,   96,   97,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,
+     95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,   95,
+     95,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    1,
+      0,    2,    2,    2,    2,    2,    0,    0,    0,    3,    0,    0,    0,    0,    0,    4,
+      0,    0,    5,    0,    0,    0,    0,    0,    0,    0,    0,    0,    1,    0,    0,    0,
+      0,    0,    0,    0,    0,    0,    0,    0,    6,    7,    0,    0,    0,    0,    0,    0,
+      0,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    8,    9,    9,    9,    9,    0,    0,    0,    7,   10,
+      0,    2,    2,    2,    2,   11,   12,    0,    0,    9,   13,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,   14,   15,   16,   17,   18,   19,   20,   14,   21,   22,
+     23,   10,   24,   25,   18,    2,    2,    2,    2,    2,   18,    0,    2,    2,    2,    2,
+      2,    0,    2,    2,    2,    2,    2,    2,    2,   26,   27,   28,    2,    2,    2,    7,
+     28,    7,   28,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    7,    2,    2,
+      2,    7,    7,    0,    2,    2,    0,   15,   16,   17,   18,   29,   30,   31,   30,   32,
+      0,    0,    0,    0,   33,    0,    0,    2,   28,    2,    0,    0,    0,    0,    0,    7,
+     34,   10,   13,   28,    2,    2,    7,    0,   28,    7,    2,   28,    7,    2,    0,   35,
+     16,   17,   29,    0,   25,   36,   25,   37,    0,   38,    0,    0,    0,   28,    2,    7,
+      7,    0,    0,    0,    2,    2,    2,    2,    2,   39,   40,   41,    0,    0,    0,    0,
+      0,   10,   13,   28,    2,    2,    2,    2,   28,    2,   28,    2,    2,    2,    2,    2,
+      2,    7,    2,   28,    2,    2,    0,   15,   16,   17,   18,   19,   25,   20,   33,   22,
+      0,    0,    0,    0,    0,   28,   39,   39,   42,   10,   27,   28,    2,    2,    2,    7,
+     28,    7,    2,   28,    2,    2,    0,   15,   43,    0,    0,   25,   20,    0,    0,    2,
+     28,   28,    0,    0,    0,    0,    0,    0,    0,    0,   44,   28,    2,    2,    7,    0,
+      2,    7,    2,    2,    0,   28,    7,    7,    2,    0,   28,    7,    0,    2,    7,    0,
+      2,    2,    2,    2,    2,    2,    0,    0,   21,   14,   45,    0,   46,   31,   46,   32,
+      0,    0,    0,    0,   33,    0,    0,    0,    0,   13,   27,   47,    2,    2,    2,    7,
+      2,    7,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    2,    0,   15,
+     20,   14,   21,   45,   20,   36,   20,   37,    0,    0,    0,   25,   29,    2,    7,    0,
+      0,    8,   27,   28,    2,    2,    2,    7,    2,    2,    2,   28,    2,    2,    0,   15,
+     43,    0,    0,   33,   45,    0,    0,    0,    7,   48,   49,    0,    0,    0,    0,    0,
+      0,    9,   27,    2,    2,    2,    2,    7,    2,    2,    2,    2,    2,    2,   50,   51,
+     21,   21,   17,   29,   46,   31,   46,   32,   52,    0,    0,    0,   33,    0,    0,    0,
+     28,   10,   27,   28,    2,    2,    2,    2,    2,    2,    2,    2,    7,    0,    2,    2,
+      2,    2,   28,    2,    2,    2,    2,   28,    0,    2,    2,    2,    7,    0,   53,    0,
+     33,   21,   20,   29,   29,   16,   46,   46,   23,    0,   21,    0,    0,    0,    0,    0,
+      0,    2,    0,    2,    7,    0,    0,    0,    0,    0,    0,    0,    0,   18,    0,    0,
+      0,    2,    2,   54,   54,   55,    0,    0,   16,    2,    2,    2,    2,   28,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    7,    0,   56,   19,   57,   20,   20,   18,   18,
+     44,   19,    9,   29,    9,    2,    2,   58,   59,   59,   59,   59,   59,   60,   59,   59,
+     59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   59,   61,
+      0,    0,    0,    0,   62,    0,    0,    0,    0,    2,    2,    2,    2,    2,   63,   43,
+     57,   64,   20,   20,   65,   66,   67,   68,   69,    2,    2,    2,    2,    2,    1,    0,
+      3,    2,    2,    2,   21,   18,    2,    2,   70,   69,   71,   72,   63,   71,   27,   27,
+      2,   50,   20,   51,    2,    2,    2,    2,    2,    2,   73,   74,   75,   27,   27,   76,
+     77,    2,    2,    2,    2,    2,   27,   43,    0,    2,   57,   78,    0,    0,    0,    0,
+     28,    2,   57,   45,    0,    0,    0,    0,    0,    2,   57,    0,    0,    0,    0,    0,
+      0,    2,    2,    2,    2,    2,    2,    7,    2,    7,   57,    0,    0,    0,    0,    0,
+      0,    2,    2,   79,   43,   20,   57,   18,   46,   46,   46,   46,   13,   80,   81,   82,
+     83,   84,   85,    0,    0,    0,    0,   86,    0,    7,    0,    0,   28,    0,   87,   79,
+     88,    2,    2,    2,    2,    7,    0,    0,    0,   40,   40,   89,   90,    2,    2,    2,
+      2,    2,    2,    2,    2,   11,    7,    0,    0,   91,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,    2,    7,   20,   78,   43,   20,   92,   59,    0,
+      0,   93,   94,   93,   93,   95,   96,    0,    0,    2,    2,    2,    2,    2,    2,    2,
+      0,    2,    2,    7,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    2,    0,
+      0,    2,    2,    2,    2,   27,    0,    0,    0,    2,    2,    2,    2,    2,    7,    0,
+      0,    2,    2,    2,   50,   97,   43,    0,    0,    2,    2,   98,   99,  100,  101,   59,
+     61,  102,   14,   43,   20,   57,   19,   78,   46,   46,   74,    9,    9,    9,  103,   44,
+     38,    9,  104,   72,    2,    2,    2,    2,    2,    2,    2,  105,   20,   18,   18,   20,
+     46,   46,   20,  106,    2,    2,    2,    7,    0,    0,    0,    0,    0,    0,  107,  108,
+    109,  109,  109,    0,    0,    0,    0,    0,    0,  104,   72,    2,    2,    2,    2,    2,
+      2,   58,   59,   57,   23,   20,  110,   59,    2,    2,    2,    2,  105,   20,   21,   43,
+     43,  100,   12,    0,    0,    0,    0,    0,    0,    2,    2,   59,   16,   46,   21,  111,
+    100,  100,  100,  112,  113,    0,    0,    0,    0,    2,    2,    2,    2,    2,    0,   28,
+      2,    9,   44,  114,  114,  114,    9,  114,  114,   13,  114,  114,  114,   24,    0,   38,
+      0,    0,    0,  115,   49,    9,    3,    0,    0,    0,    0,    0,    0,    0,  116,    0,
+      0,    0,    0,    0,    0,    0,    4,  117,  118,   40,   40,    3,    0,    0,    0,    0,
+      0,    0,    0,    0,    0,    0,  118,  118,  119,  118,  118,  118,  118,  118,  118,  118,
+    118,    0,    0,  120,    0,    0,    0,    0,    0,    0,    5,  120,    0,    0,    0,    0,
+      0,   44,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    7,
+      0,    2,    2,    2,    2,    0,    0,    0,   28,    0,    0,    0,    0,    0,    0,    0,
+    121,    2,   51,    2,  106,    2,    8,    2,    2,    2,   63,   17,   14,    0,    0,   29,
+      0,    2,    2,    0,    0,    0,    0,    0,    0,   27,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,  122,   21,   21,   21,   21,   21,   21,   21,  123,    0,    0,    0,    0,
+      0,    9,    9,    9,    9,    9,    9,    9,    9,    9,    2,    0,    0,    0,    0,    0,
+     50,    2,    2,    2,   20,   20,  124,  114,    0,    2,    2,    2,  125,   18,   57,   18,
+    111,  100,  126,    0,    0,    0,    0,    0,    0,    9,  127,    2,    2,    2,    2,    2,
+      2,    2,  128,   21,   20,   18,   46,  129,  130,  131,    0,    0,    0,    0,    0,    0,
+      0,    2,    2,   50,   28,    2,    2,    2,    2,    2,    2,    2,    2,    8,   20,   57,
+     97,   74,  132,  133,  134,    0,    0,    0,    0,    2,  135,    2,    2,    2,    2,  136,
+      0,   28,    2,   40,    3,    0,   77,   13,    2,   51,   20,  137,   50,   51,    2,    2,
+    103,    8,    7,    0,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,  138,   19,
+     23,    0,    0,  139,  140,    0,    0,    0,    0,    2,   63,   43,   21,   78,   45,  141,
+      0,   79,   79,   79,   79,   79,   79,   79,   79,    0,    0,    0,    0,    0,    0,    0,
+      4,  118,  118,  118,  118,  119,    0,    0,    0,    2,    2,    2,    2,    2,    7,    2,
+      2,    2,    7,    2,   28,    2,    2,    2,    2,    2,   28,    2,    2,    2,   28,    7,
+      0,  125,   18,   25,   29,    0,    0,  142,  143,    2,    2,   28,    2,   28,    2,    2,
+      2,    2,    2,    2,    0,   12,   35,    0,  144,    2,    2,   11,   35,    0,   28,    2,
+      2,    2,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,   28,    2,    2,
+      7,    2,    2,    9,   39,    0,    0,    0,    0,    2,    2,    2,    2,    2,   25,   36,
+      0,    2,    2,    2,  114,  114,  114,  114,  114,  145,    2,    7,    0,    0,    0,    0,
+      0,    2,   12,   12,    0,    0,    0,    0,    0,    7,    2,    2,    7,    2,    2,    2,
+      2,   28,    2,    7,    0,   28,    2,    0,    0,  146,  147,  148,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,   20,   20,   18,   18,   18,   20,   20,  131,    0,    0,    0,
+      0,    0,  149,  149,  149,  149,  149,  149,  149,  149,  149,  149,    2,    2,    2,    2,
+      2,   51,   50,   51,    0,    0,    0,    0,  150,    9,   72,    2,    2,    2,    2,    2,
+      2,   16,   17,   19,   14,   22,   35,    0,    0,    0,   29,    0,    0,    0,    0,    0,
+      0,    9,   47,    2,    2,    2,    2,    2,    2,    2,    2,    2,  125,   18,   20,  151,
+     20,   19,  152,  153,    2,    2,    2,    2,    2,    0,    0,   63,  154,    0,    0,    0,
+      0,    2,   11,    0,    0,    0,    0,    0,    0,    2,   63,   23,   18,   18,   18,   20,
+     20,  106,  155,    0,    0,   54,  156,   29,  157,   28,    2,    2,    2,    2,    2,    2,
+      2,    2,    2,    2,    2,    2,    2,   21,   17,   20,   20,  158,   42,    0,    0,    0,
+     47,  125,    0,    0,    0,    0,    0,    0,    0,    2,    2,    2,    7,    7,    2,    2,
+     28,    2,    2,    2,    2,    2,    2,    2,   28,    2,    2,    2,    2,    2,    2,    2,
+      8,   16,   17,   19,   20,  159,   29,    0,    0,    9,    9,   28,    2,    2,    2,    7,
+     28,    7,    2,   28,    2,    2,   56,   15,   21,   14,   21,   45,   30,   31,   30,   32,
+      0,    0,    0,    0,   33,    0,    0,    0,    2,    2,   21,    0,    9,    9,    9,   44,
+      0,    9,    9,   44,    0,    0,    0,    0,    0,    2,    2,   63,   23,   18,   18,   18,
+     20,   21,  123,   13,   15,    0,    0,    0,    0,    2,    2,    2,    2,    2,    0,    0,
+    160,  161,    0,    0,    0,    0,    0,    0,    0,   16,   17,   18,   18,   64,   97,   23,
+    157,    9,  162,    7,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    2,    2,
+     63,   23,   18,   18,    0,   46,   46,    9,  163,   35,    0,    0,    0,    0,    0,    0,
+      0,    0,    0,    0,    0,    2,    2,   18,    0,   21,   17,   18,   18,   19,   14,   80,
+    163,   36,    0,    0,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    8,  164,
+     23,   18,   20,   20,  162,    7,    0,    0,    0,    2,    2,    2,    2,    2,    7,   41,
+    133,   21,   20,   18,   74,   19,   20,    0,    0,    2,    2,    2,    7,    0,    0,    0,
+      0,    2,    2,    2,    2,    2,    2,   16,   17,   18,   19,   20,  103,  163,   35,    0,
+      0,    2,    2,    2,    7,   28,    0,    2,    2,    2,    2,   28,    7,    2,    2,    2,
+      2,   21,   21,   16,   30,   31,   10,  165,  166,  167,  168,    0,    0,    0,    0,    0,
+      0,    2,    2,    2,    2,    0,    2,    2,    2,   63,   23,   18,   18,    0,   20,   21,
+     27,  106,    0,   31,    0,    0,    0,    0,    0,   50,   18,   20,   20,   20,  137,    2,
+      2,    2,  169,  170,    9,   13,  171,   70,  172,    0,    0,    1,  144,    0,    0,    0,
+      0,   50,   18,   20,   14,   17,   18,    2,    2,    2,    2,  155,  155,  155,  173,  173,
+    173,  173,  173,  173,   13,  174,    0,   28,    0,   20,   18,   18,   29,   20,   20,    9,
+    163,    0,   59,   59,   59,   59,   59,   59,   59,   64,   19,   80,   44,    0,    0,    0,
+      0,    2,    2,    2,    7,    2,   28,    2,    2,   50,   20,   20,   29,    0,   36,   20,
+     25,    9,  156,  175,  171,    0,    0,    0,    0,    2,    2,    2,   28,    7,    2,    2,
+      2,    2,    2,    2,    2,    2,   21,   21,   45,   20,   33,   80,   66,    0,    0,    0,
+      0,    2,  176,   64,   45,    0,    0,    0,    0,    9,  177,    2,    2,    2,    2,    2,
+      2,    2,    2,   21,   20,   18,   29,    0,   46,   14,  140,    0,    0,    0,    0,    0,
+      0,  178,  178,  178,  106,  179,  178,    0,    0,  145,    2,    2,  180,  114,  114,  114,
+    114,  114,  114,  114,    0,    0,    0,    0,    0,    9,    9,    9,   44,    0,    0,    0,
+      0,    2,    2,    2,    2,    2,    7,    0,   56,  181,   18,   18,   18,   18,   18,   18,
+     18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,    0,    0,    0,
+     38,  114,   24,    0,    0,    0,    0,    0,    0,    0,    0,    7,    0,    0,    0,    0,
+      0,    2,    2,    2,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    0,   56,
+     35,    0,    4,  118,  118,  118,  119,    0,    0,    9,    9,    9,   47,    2,    2,    2,
+      0,    2,    2,    2,    2,    2,    0,    0,    2,    2,    2,    2,    2,    2,    2,    2,
+     44,    2,    2,    2,    2,    2,    2,    9,    9,    2,    2,    2,    2,    2,    2,   20,
+     20,    2,    2,   42,   42,   42,   90,    0,    0,    O,    O,    O,   GB,    B,    B,   GB,
+      O,    O,   WJ,FMPst,FMPst,    O,  CGJ,    B,    O,    B,VMAbv,VMAbv,VMAbv,    O,VMAbv,    B,
+  CMBlw,CMBlw,CMBlw,VMAbv,VMPst, VAbv, VPst,CMBlw,    B, VPst, VPre, VPst, VBlw, VBlw, VBlw, VBlw,
+   VAbv, VAbv, VAbv, VPst, VPst, VPst,    H, VPre, VPst,VMBlw,    O,    O, VAbv,   GB,VMAbv,VMPst,
+  VMPst,    O,    B, VBlw,    O,    O, VPre, VPre,    O, VPre,    H,    O, VPst,FMAbv,    O,CMBlw,
+      O, VAbv,    O, VAbv,    H,    O,VMBlw,VMAbv,CMAbv,   GB,   GB,    O, MBlw,CMAbv,CMAbv, VPst,
+   VAbv,VMAbv,    O, VPst,    O, VPre, VPre,VMAbv,    B,    O,   CS,   CS,VMPst,    B, VAbv, VAbv,
+      B,    R,    O,  HVM,    O,    O,FMBlw,    O,CMAbv,    O,CMBlw, VAbv, VBlw,    B,  SUB,  SUB,
+    SUB,    O,  SUB,  SUB,    O,FMBlw,    O,    B, VPst, VBlw, VPre,VMAbv,VMBlw,VMPst,   IS, VAbv,
+   MPst, MPre, MBlw, MBlw,    B, MBlw, MBlw, VPst,VMPst,VMPst,    B, MBlw, VPst, VPre, VAbv, VAbv,
+  VMPst,VMPst,VMBlw,    B,VMPst, VBlw, VPst,  CGJ,  CGJ, VPst,VMAbv,VMAbv,FMAbv, FAbv,CMAbv,FMAbv,
+  VMAbv,FMAbv, VAbv,   IS,FMAbv,    B,FMAbv,    B,  CGJ,   WJ,  CGJ,   GB,CMAbv,CMAbv,    B,   GB,
+      B, VAbv,  SUB, FPst, FPst,VMBlw, FPst, FPst, FBlw,VMAbv,FMBlw, VAbv, VPre,    B, MPre, MBlw,
+    SUB, FAbv, FAbv, MAbv,  SUB,   Sk, VPst, VAbv,VMAbv,VMAbv, FAbv,CMAbv, VPst,    H,    B,    O,
+  SMAbv,SMBlw,SMAbv,SMAbv,SMAbv, VPst,   IS, VBlw, FAbv,VMPre,VMPre,FMAbv,CMBlw,VMBlw,VMBlw,VMAbv,
+     CS,    O,FMAbv, ZWNJ,  CGJ,   WJ,   WJ,   WJ,    O,FMPst,    O,    O,    H, MPst, VPst,    H,
+  VMAbv, VAbv,VMBlw,    B, VBlw, FPst, VPst, FAbv,VMPst,    B,CMAbv, VAbv, MBlw, MPst, MBlw,    H,
+      O, VBlw, MPst, MPre, MAbv, MBlw,    O,    B, FAbv, FAbv, FPst, VBlw,    B,    B, VPre,    O,
+  VMPst,   IS,    O,VMPst, VBlw, VPst,VMBlw,VMBlw,VMAbv,    O,   IS,VMBlw,    B,VMPst,VMAbv,VMPst,
+     CS,   CS,    B,    N,    N,    O,   HN, VPre, VBlw, VAbv,   IS,CMAbv,    O, VPst,    B,    R,
+      R,CMBlw, VAbv, VPre,VMAbv,VMAbv,    H, VAbv,CMBlw,FMAbv,    B,   CS,   CS,    H,CMBlw,VMPst,
+      H,VMPst, VAbv,VMAbv, VPst,   IS,    R, MPst,    R, MPst,CMBlw,    B,FMBlw, VBlw,VMAbv,    R,
+   MBlw, MBlw,   GB, FBlw, FBlw,CMAbv,   IS, VBlw,   IS,   GB, VAbv,    R,VMPst,    H,    H,    B,
+      H,    B,VMBlw,    O, VBlw,
+};
+static const uint16_t
+hb_use_u16[784] =
+{
+    0,  0,  1,  2,  0,  0,  0,  0,  0,  0,  3,  4,  0,  5,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  6,  0,  0,  0,
+    0,  0,  0,  0,  7,  0,  0,  0,  0,  0,  0,  0,  8,  9, 10, 11,
+    0,  0,  0,  0,  9, 12,  0,  0, 13,  9,  9, 14, 15, 16, 17, 18,
+   19, 20, 21, 22, 23, 24, 17, 25, 26, 20, 21, 27, 28, 29, 30, 31,
+   32, 33, 21, 34, 35,  0, 17, 36, 37, 20, 21, 38, 23, 39, 17, 40,
+   41, 42, 43, 44, 45, 46, 30,  0, 47, 48, 21, 49, 50, 51, 17,  0,
+   52, 48, 21, 53, 50, 54, 17, 55, 56, 48,  9, 57, 58, 59, 17,  0,
+   60, 61,  9, 62, 63, 64, 30, 65, 66, 67,  9, 68, 69,  9, 70, 71,
+   72, 73, 74, 75, 76,  0,  0,  0,  9,  9, 77, 78, 79, 80, 81, 82,
+   83, 84,  0,  0,  0,  0,  0,  0,  9, 85,  9, 86,  9, 87, 88, 89,
+    9,  9,  9, 90, 91, 92,  2,  0, 93,  0,  9,  9,  9,  9,  9, 94,
+   95,  9, 96,  0,  0,  0,  0,  0, 97, 98, 99,100, 30,  9,101,102,
+    9,  9,103,  9,104,105,  0,  0,  9,106,  9,  9,  9,107,108,109,
+    2,  2,  0,  0,  0,  0,  0,  0,110,  9,  9,111,112,  2,113,114,
+  115,  9,116,  9,  9,  9,117,118,  9,  9,119,120,121,  0,  0,  0,
+    0,  0,  0,  0,  0,122,123,124,  0,  0,  0,  0,  0,  0,  0,125,
+  126,127,128,  0,  0,  0,129,130,131,  0,  0,  0,  0,  0,  0,132,
+    0,  0,  0,  0,133,  0,  0,  0,  0,  0,  0,  9,  9,  9,134,135,
+  136,  9,137,  0,  9,  9,  9,138,139,  9,  9,140,141,  2,142,143,
+    9,  9,144,  9,145,146,  0,  0,147,  9,  9,148,149,  2,150, 98,
+    9,  9,151,152,153,  2,  9,154,  9,  9,  9,155,156,  0,157,158,
+    0,  0,  0,  0,  9,  9,159,  2,160,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,161,  0,  0,  0,  0,  0,  0,  0,162,
+    0,  0,  0,  0,  0,  0,  0,163,163,164, 33,165,  0,  0,  0,  0,
+  166,167,  9,168, 94,  0,  0,  0,  0,  0,  0,  0, 69,  9,169,  0,
+    9,170,171,  0,  0,  0,  0,  0,  9,  9,172,  2,  0,  0,  0,  0,
+    9,  9,173,170,  0,  0,  0,  0,  0,  0,  0,  9,174,175,  0,  9,
+  176,  0,  0,177,178,  0,  0,  0,179,  9,  9,180,181,182,183,184,
+  185,  9,  9,186,187,  0,  0,  0,188,  9,189,190,191,  9,  9,192,
+  185,  9,  9,193,194,105,195,102,  9, 33,196,197,198,  0,  0,  0,
+  199,200, 94,  9,  9,201,202,  2,203, 20, 21,204,205,206,207,208,
+    9,  9,  9,209,210,211,212,  0,195,  9,  9,213,214,  2,  0,  0,
+    9,  9,215,216,217,218,  0,  0,  9,  9,  9,219,220,  2,  0,  0,
+    9,  9,221,222,  2,  0,  0,  0,  9,223,224,103,225,  0,  0,  0,
+    9,  9,226,227,  0,  0,  0,  0,228,229,  9,230,231,  2,  0,  0,
+    0,  0,232,  9,  9,233,234,  0,235,  9,  9,236,237,238,  9,  9,
+  239,240,  0,  0,  0,  0,  0,  0, 21,  9,215,241,  7,  9, 70, 18,
+    9,242, 73,243,  0,  0,  0,  0,244,  9,  9,245,246,  2,247,  9,
+  248,249,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9,250,
+  251, 48,  9,252,253,  2,  0,  0,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,254,255,256,  0,  0,  0,  0,  0,  0,  2,  0,  0,  0,
+    9,  9,  9,257,  0,  0,  0,  0,  9,  9,  9,  9,258,259,260,260,
+  261,262,  0,  0,  0,  0,263,  0,  9,  9,  9,  9,  9,264,  0,  0,
+    9,  9,  9,  9,  9,  9,105, 70, 94,265,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,266,  9,  9, 70,267,268,  0,  0,  0,
+    0,  9,269,  0,  9,  9,270,  2,  0,  0,  0,  0,  0,  9,271,  2,
+    9,  9,  9,  9,272,  2,  0,  0,129,129,129,129,129,129,129,129,
+  160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,129,
+};
+
+static inline unsigned
+hb_use_b4 (const uint8_t* a, unsigned i)
+{
+  return (a[i>>1]>>((i&1u)<<2))&15u;
+}
+static inline uint_fast8_t
+hb_use_get_category (unsigned u)
+{
+  return u<921600u?hb_use_u8[2777+(((hb_use_u8[593+(((hb_use_u16[((hb_use_u8[113+(((hb_use_b4(hb_use_u8,u>>1>>3>>3>>5))<<5)+((u>>1>>3>>3)&31u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:O;
+}
+
+
+#else
+
+static const uint8_t
+hb_use_u8[3413] =
+{
+     16,   50,   51,   51,   51,   52,   51,   83,  118,  131,   51,   57,   58,  179,  195,   61,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,   51,
+     14,    0,    1,    1,    2,    1,    1,    3,    4,    5,    6,    7,    8,    9,   10,    1,
+     11,   12,    1,    1,    1,    1,    1,    1,   13,   14,   15,   16,   17,   18,   19,    1,
+      1,   20,    1,    1,    1,    1,   21,    1,    1,    1,    1,    1,    1,    1,   22,    1,
+      1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+      1,    1,    1,    1,    1,    1,    1,    1,    1,   23,   24,   25,   26,    1,    1,    1,
+      1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,   27,
+     28,    1,    1,    1,    1,    1,   29,    1,    1,    1,    1,   30,   31,    1,   32,   33,
+     34,   35,   36,   37,   38,   39,   40,   41,   42,   43,   44,   45,    1,   46,   47,   48,
+     49,   50,   50,   50,   50,   51,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+      1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,   52,   53,    1,    1,    1,
+     54,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,   50,   55,    1,    1,
+      1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,   56,    1,    1,
+      1,    1,   57,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+      1,    1,   58,   59,    1,   60,    1,    1,    1,    1,   61,    1,    1,    1,    1,    1,
+      1,   62,   63,   62,   62,   62,   62,   62,   62,   62,   62,   62,   62,   62,   62,   62,
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+      2,    2,    2,    2,    2,    2,   21,   21,   45,   20,   33,   80,   66,    0,    0,    0,
+      0,    2,  176,   64,   45,    0,    0,    0,    0,    9,  177,    2,    2,    2,    2,    2,
+      2,    2,    2,   21,   20,   18,   29,    0,   46,   14,  140,    0,    0,    0,    0,    0,
+      0,  178,  178,  178,  106,  179,  178,    0,    0,  145,    2,    2,  180,  114,  114,  114,
+    114,  114,  114,  114,    0,    0,    0,    0,    0,    9,    9,    9,   44,    0,    0,    0,
+      0,    2,    2,    2,    2,    2,    7,    0,   56,  181,   18,   18,   18,   18,   18,   18,
+     18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,   18,    0,    0,    0,
+     38,  114,   24,    0,    0,    0,    0,    0,    0,    0,    0,    7,    0,    0,    0,    0,
+      0,    2,    2,    2,    0,    0,    0,    0,    0,    2,    2,    2,    2,    2,    0,   56,
+     35,    0,    4,  118,  118,  118,  119,    0,    0,    9,    9,    9,   47,    2,    2,    2,
+      0,    2,    2,    2,    2,    2,    0,    0,    2,    2,    2,    2,    2,    2,    2,    2,
+     44,    2,    2,    2,    2,    2,    2,    9,    9,    2,    2,    2,    2,    2,    2,   20,
+     20,    2,    2,   42,   42,   42,   90,    0,    0,    O,    O,    O,   GB,    B,    B,   GB,
+      O,    O,   WJ,FMPst,FMPst,    O,  CGJ,    B,    O,    B,VMAbv,VMAbv,VMAbv,    O,VMAbv,    B,
+  CMBlw,CMBlw,CMBlw,VMAbv,VMPst, VAbv, VPst,CMBlw,    B, VPst, VPre, VPst, VBlw, VBlw, VBlw, VBlw,
+   VAbv, VAbv, VAbv, VPst, VPst, VPst,    H, VPre, VPst,VMBlw,    O,    O, VAbv,   GB,VMAbv,VMPst,
+  VMPst,    O,    B, VBlw,    O,    O, VPre, VPre,    O, VPre,    H,    O, VPst,FMAbv,    O,CMBlw,
+      O, VAbv,    O, VAbv,    H,    O,VMBlw,VMAbv,CMAbv,   GB,   GB,    O, MBlw,CMAbv,CMAbv, VPst,
+   VAbv,VMAbv,    O, VPst,    O, VPre, VPre,VMAbv,    B,    O,   CS,   CS,VMPst,    B, VAbv, VAbv,
+      B,    R,    O,  HVM,    O,    O,FMBlw,    O,CMAbv,    O,CMBlw, VAbv, VBlw,    B,  SUB,  SUB,
+    SUB,    O,  SUB,  SUB,    O,FMBlw,    O,    B, VPst, VBlw, VPre,VMAbv,VMBlw,VMPst,   IS, VAbv,
+   MPst, MPre, MBlw, MBlw,    B, MBlw, MBlw, VPst,VMPst,VMPst,    B, MBlw, VPst, VPre, VAbv, VAbv,
+  VMPst,VMPst,VMBlw,    B,VMPst, VBlw, VPst,  CGJ,  CGJ, VPst,VMAbv,VMAbv,FMAbv, FAbv,CMAbv,FMAbv,
+  VMAbv,FMAbv, VAbv,   IS,FMAbv,    B,FMAbv,    B,  CGJ,   WJ,  CGJ,   GB,CMAbv,CMAbv,    B,   GB,
+      B, VAbv,  SUB, FPst, FPst,VMBlw, FPst, FPst, FBlw,VMAbv,FMBlw, VAbv, VPre,    B, MPre, MBlw,
+    SUB, FAbv, FAbv, MAbv,  SUB,   Sk, VPst, VAbv,VMAbv,VMAbv, FAbv,CMAbv, VPst,    H,    B,    O,
+  SMAbv,SMBlw,SMAbv,SMAbv,SMAbv, VPst,   IS, VBlw, FAbv,VMPre,VMPre,FMAbv,CMBlw,VMBlw,VMBlw,VMAbv,
+     CS,    O,FMAbv, ZWNJ,  CGJ,   WJ,   WJ,   WJ,    O,FMPst,    O,    O,    H, MPst, VPst,    H,
+  VMAbv, VAbv,VMBlw,    B, VBlw, FPst, VPst, FAbv,VMPst,    B,CMAbv, VAbv, MBlw, MPst, MBlw,    H,
+      O, VBlw, MPst, MPre, MAbv, MBlw,    O,    B, FAbv, FAbv, FPst, VBlw,    B,    B, VPre,    O,
+  VMPst,   IS,    O,VMPst, VBlw, VPst,VMBlw,VMBlw,VMAbv,    O,   IS,VMBlw,    B,VMPst,VMAbv,VMPst,
+     CS,   CS,    B,    N,    N,    O,   HN, VPre, VBlw, VAbv,   IS,CMAbv,    O, VPst,    B,    R,
+      R,CMBlw, VAbv, VPre,VMAbv,VMAbv,    H, VAbv,CMBlw,FMAbv,    B,   CS,   CS,    H,CMBlw,VMPst,
+      H,VMPst, VAbv,VMAbv, VPst,   IS,    R, MPst,    R, MPst,CMBlw,    B,FMBlw, VBlw,VMAbv,    R,
+   MBlw, MBlw,   GB, FBlw, FBlw,CMAbv,   IS, VBlw,   IS,   GB, VAbv,    R,VMPst,    H,    H,    B,
+      H,    B,VMBlw,    O, VBlw,
+};
+static const uint16_t
+hb_use_u16[448] =
+{
+    0,  0,  1,  2,  3,  4,  0,  5,  6,  0,  7,  0,  8,  9, 10, 11,
+    9, 12, 13,  9,  9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+   17, 25, 26, 20, 21, 27, 28, 29, 30, 31, 32, 33, 21, 34, 35,  0,
+   17, 36, 37, 20, 21, 38, 23, 39, 17, 40, 41, 42, 43, 44, 45, 46,
+   30,  0, 47, 48, 21, 49, 50, 51, 17,  0, 52, 48, 21, 53, 50, 54,
+   17, 55, 56, 48,  9, 57, 58, 59, 60, 61,  9, 62, 63, 64, 30, 65,
+   66, 67,  9, 68, 69,  9, 70, 71, 72, 73, 74, 75, 76,  0,  9,  9,
+   77, 78, 79, 80, 81, 82, 83, 84,  9, 85,  9, 86,  9, 87, 88, 89,
+    9, 90, 91, 92,  2,  0, 93,  0,  9, 94, 95,  9, 96,  0, 97, 98,
+   99,100, 30,  9,101,102,103,  9,104,105,  9,106,  9,107,108,109,
+    2,  2,110,  9,  9,111,112,  2,113,114,115,  9,116,  9,117,118,
+  119,120,121,  0,  0,122,123,124,  0,125,126,127,128,  0,129,130,
+  131,  0,  0,132,133,  0,  0,  9,134,135,136,  9,137,  0,  9,138,
+  139,  9,  9,140,141,  2,142,143,144,  9,145,146,147,  9,  9,148,
+  149,  2,150, 98,151,152,153,  2,  9,154,  9,155,156,  0,157,158,
+  159,  2,160,  0,  0,161,  0,162,  0,163,163,164, 33,165,166,167,
+    9,168, 94,  0,169,  0,  9,170,171,  0,172,  2,173,170,174,175,
+  176,  0,  0,177,178,  0,179,  9,  9,180,181,182,183,184,185,  9,
+    9,186,187,  0,188,  9,189,190,191,  9,  9,192,  9,193,194,105,
+  195,102,  9, 33,196,197,198,  0,199,200, 94,  9,  9,201,202,  2,
+  203, 20, 21,204,205,206,207,208,  9,209,210,211,212,  0,195,  9,
+    9,213,214,  2,215,216,217,218,  9,219,220,  2,221,222,  9,223,
+  224,103,225,  0,226,227,228,229,  9,230,231,  2,232,  9,  9,233,
+  234,  0,235,  9,  9,236,237,238,239,240, 21,  9,215,241,  7,  9,
+   70, 18,  9,242, 73,243,244,  9,  9,245,246,  2,247,  9,248,249,
+    9,250,251, 48,  9,252,253,  2,  9,254,255,256,  9,257,258,259,
+  260,260,261,262,263,  0,  9,264,105, 70, 94,265,  0,266, 70,267,
+  268,  0,269,  0,270,  2,271,  2,272,  2,129,129,160,160,160,129,
+};
+
+static inline unsigned
+hb_use_b4 (const uint8_t* a, unsigned i)
+{
+  return (a[i>>1]>>((i&1u)<<2))&15u;
+}
+static inline uint_fast8_t
+hb_use_get_category (unsigned u)
+{
+  return u<921600u?hb_use_u8[3049+(((hb_use_u8[865+(((hb_use_u16[((hb_use_u8[353+(((hb_use_u8[113+(((hb_use_b4(hb_use_u8,u>>1>>3>>1>>3>>4))<<4)+((u>>1>>3>>1>>3)&15u))])<<3)+((u>>1>>3>>1)&7u))])<<1)+((u>>1>>3)&1u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:O;
+}
+
+#endif
+
+#undef B
+#undef CGJ
+#undef CS
+#undef G
+#undef GB
+#undef H
+#undef HN
+#undef HVM
+#undef IS
+#undef J
+#undef N
+#undef O
+#undef R
+#undef SB
+#undef SE
+#undef SUB
+#undef Sk
+#undef WJ
+#undef ZWNJ
+#undef CMAbv
+#undef CMBlw
+#undef FAbv
+#undef FBlw
+#undef FPst
+#undef FMAbv
+#undef FMBlw
+#undef FMPst
+#undef MAbv
+#undef MBlw
+#undef MPst
+#undef MPre
+#undef SMAbv
+#undef SMBlw
+#undef VAbv
+#undef VBlw
+#undef VPst
+#undef VPre
+#undef VMAbv
+#undef VMBlw
+#undef VMPst
+#undef VMPre
+
+
+#endif /* HB_OT_SHAPER_USE_TABLE_HH */
+/* == End of generated table == */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use.cc
index 1d13c8a126..342aba1235 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-use.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-use.cc
@@ -30,11 +30,11 @@
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-use-machine.hh"
-#include "hb-ot-shape-complex-use-table.hh"
-#include "hb-ot-shape-complex-arabic.hh"
-#include "hb-ot-shape-complex-arabic-joining-list.hh"
-#include "hb-ot-shape-complex-vowel-constraints.hh"
+#include "hb-ot-shaper-use-machine.hh"
+#include "hb-ot-shaper-use-table.hh"
+#include "hb-ot-shaper-arabic.hh"
+#include "hb-ot-shaper-arabic-joining-list.hh"
+#include "hb-ot-shaper-vowel-constraints.hh"
 
 
 /*
@@ -89,19 +89,19 @@ use_other_features[] =
   HB_TAG('p','s','t','s'),
 };
 
-static void
+static bool
 setup_syllables_use (const hb_ot_shape_plan_t *plan,
 		     hb_font_t *font,
 		     hb_buffer_t *buffer);
-static void
+static bool
 record_rphf_use (const hb_ot_shape_plan_t *plan,
 		 hb_font_t *font,
 		 hb_buffer_t *buffer);
-static void
+static bool
 record_pref_use (const hb_ot_shape_plan_t *plan,
 		 hb_font_t *font,
 		 hb_buffer_t *buffer);
-static void
+static bool
 reorder_use (const hb_ot_shape_plan_t *plan,
 	     hb_font_t *font,
 	     hb_buffer_t *buffer);
@@ -133,6 +133,7 @@ collect_features_use (hb_ot_shape_planner_t *plan)
     map->enable_feature (use_basic_features[i], F_MANUAL_ZWJ | F_PER_SYLLABLE);
 
   map->add_gsub_pause (reorder_use);
+  map->add_gsub_pause (hb_syllabic_clear_var); // Don't need syllables anymore, use stop to free buffer var
 
   /* "Topographical features" */
   for (unsigned int i = 0; i < ARRAY_LENGTH (use_topographical_features); i++)
@@ -205,7 +206,7 @@ setup_masks_use (const hb_ot_shape_plan_t *plan,
   unsigned int count = buffer->len;
   hb_glyph_info_t *info = buffer->info;
   for (unsigned int i = 0; i < count; i++)
-    info[i].use_category() = hb_use_get_category (info[i]);
+    info[i].use_category() = hb_use_get_category (info[i].codepoint);
 }
 
 static void
@@ -292,19 +293,21 @@ setup_topographical_masks (const hb_ot_shape_plan_t *plan,
   }
 }
 
-static void
+static bool
 setup_syllables_use (const hb_ot_shape_plan_t *plan,
 		     hb_font_t *font HB_UNUSED,
 		     hb_buffer_t *buffer)
 {
+  HB_BUFFER_ALLOCATE_VAR (buffer, syllable);
   find_syllables_use (buffer);
   foreach_syllable (buffer, start, end)
     buffer->unsafe_to_break (start, end);
   setup_rphf_mask (plan, buffer);
   setup_topographical_masks (plan, buffer);
+  return false;
 }
 
-static void
+static bool
 record_rphf_use (const hb_ot_shape_plan_t *plan,
 		 hb_font_t *font HB_UNUSED,
 		 hb_buffer_t *buffer)
@@ -312,7 +315,7 @@ record_rphf_use (const hb_ot_shape_plan_t *plan,
   const use_shape_plan_t *use_plan = (const use_shape_plan_t *) plan->data;
 
   hb_mask_t mask = use_plan->rphf_mask;
-  if (!mask) return;
+  if (!mask) return false;
   hb_glyph_info_t *info = buffer->info;
 
   foreach_syllable (buffer, start, end)
@@ -325,9 +328,10 @@ record_rphf_use (const hb_ot_shape_plan_t *plan,
 	break;
       }
   }
+  return false;
 }
 
-static void
+static bool
 record_pref_use (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		 hb_font_t *font HB_UNUSED,
 		 hb_buffer_t *buffer)
@@ -344,12 +348,13 @@ record_pref_use (const hb_ot_shape_plan_t *plan HB_UNUSED,
 	break;
       }
   }
+  return false;
 }
 
 static inline bool
 is_halant_use (const hb_glyph_info_t &info)
 {
-  return (info.use_category() == USE(H) || info.use_category() == USE(IS)) &&
+  return (info.use_category() == USE(H) || info.use_category() == USE(HVM) || info.use_category() == USE(IS)) &&
 	 !_hb_glyph_info_ligated (&info);
 }
 
@@ -436,17 +441,19 @@ reorder_syllable_use (hb_buffer_t *buffer, unsigned int start, unsigned int end)
   }
 }
 
-static void
+static bool
 reorder_use (const hb_ot_shape_plan_t *plan,
 	     hb_font_t *font,
 	     hb_buffer_t *buffer)
 {
+  bool ret = false;
   if (buffer->message (font, "start reordering USE"))
   {
-    hb_syllabic_insert_dotted_circles (font, buffer,
-				       use_broken_cluster,
-				       USE(B),
-				       USE(R));
+    if (hb_syllabic_insert_dotted_circles (font, buffer,
+					   use_broken_cluster,
+					   USE(B),
+					   USE(R)))
+      ret = true;
 
     foreach_syllable (buffer, start, end)
       reorder_syllable_use (buffer, start, end);
@@ -455,6 +462,8 @@ reorder_use (const hb_ot_shape_plan_t *plan,
   }
 
   HB_BUFFER_DEALLOCATE_VAR (buffer, use_category);
+
+  return ret;
 }
 
 
@@ -480,7 +489,7 @@ compose_use (const hb_ot_shape_normalize_context_t *c,
 }
 
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
+const hb_ot_shaper_t _hb_ot_shaper_use =
 {
   collect_features_use,
   nullptr, /* override_features */
@@ -488,12 +497,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
   data_destroy_use,
   preprocess_text_use,
   nullptr, /* postprocess_glyphs */
-  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   nullptr, /* decompose */
   compose_use,
   setup_masks_use,
-  HB_TAG_NONE, /* gpos_tag */
   nullptr, /* reorder_marks */
+  HB_TAG_NONE, /* gpos_tag */
+  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
   false, /* fallback_position */
 };
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-vowel-constraints.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-vowel-constraints.cc
index d2cca105a4..e76b554b00 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-vowel-constraints.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-vowel-constraints.cc
@@ -10,15 +10,15 @@
  * # Date: 2015-03-12, 21:17:00 GMT [AG]
  * # Date: 2019-11-08, 23:22:00 GMT [AG]
  *
- * # Scripts-14.0.0.txt
- * # Date: 2021-07-10, 00:35:31 GMT
+ * # Scripts-15.0.0.txt
+ * # Date: 2022-04-26, 23:15:02 GMT
  */
 
 #include "hb.hh"
 
 #ifndef HB_NO_OT_SHAPE
 
-#include "hb-ot-shape-complex-vowel-constraints.hh"
+#include "hb-ot-shaper-vowel-constraints.hh"
 
 static void
 _output_dotted_circle (hb_buffer_t *buffer)
@@ -39,7 +39,7 @@ _hb_preprocess_text_vowel_constraints (const hb_ot_shape_plan_t *plan HB_UNUSED,
 				       hb_buffer_t              *buffer,
 				       hb_font_t                *font HB_UNUSED)
 {
-#ifdef HB_NO_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS
+#ifdef HB_NO_OT_SHAPER_VOWEL_CONSTRAINTS
   return;
 #endif
   if (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE)
@@ -342,6 +342,40 @@ _hb_preprocess_text_vowel_constraints (const hb_ot_shape_plan_t *plan HB_UNUSED,
       }
       break;
 
+    case HB_SCRIPT_KHOJKI:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur ().codepoint)
+	{
+	  case 0x11200u:
+	    switch (buffer->cur (1).codepoint)
+	    {
+	      case 0x1122Cu: case 0x11231u: case 0x11233u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x11206u:
+	    matched = 0x1122Cu == buffer->cur (1).codepoint;
+	    break;
+	  case 0x1122Cu:
+	    switch (buffer->cur (1).codepoint)
+	    {
+	      case 0x11230u: case 0x11231u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x11240u:
+	    matched = 0x1122Eu == buffer->cur (1).codepoint;
+	    break;
+	}
+	(void) buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      break;
+
     case HB_SCRIPT_KHUDAWADI:
       for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
       {
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-vowel-constraints.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-vowel-constraints.hh
index d9082d4ead..5a7ee1b0f2 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-vowel-constraints.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper-vowel-constraints.hh
@@ -24,16 +24,16 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS_HH
-#define HB_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS_HH
+#ifndef HB_OT_SHAPER_VOWEL_CONSTRAINTS_HH
+#define HB_OT_SHAPER_VOWEL_CONSTRAINTS_HH
 
 #include "hb.hh"
 
-#include "hb-ot-shape-complex.hh"
+#include "hb-ot-shaper.hh"
 
 HB_INTERNAL void
 _hb_preprocess_text_vowel_constraints (const hb_ot_shape_plan_t *plan,
 				       hb_buffer_t              *buffer,
 				       hb_font_t                *font);
 
-#endif /* HB_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS_HH */
+#endif /* HB_OT_SHAPER_VOWEL_CONSTRAINTS_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper.hh
index 8012a9ae94..0207b2bbe3 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shaper.hh
@@ -24,8 +24,8 @@
  * Google Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_SHAPE_COMPLEX_HH
-#define HB_OT_SHAPE_COMPLEX_HH
+#ifndef HB_OT_SHAPER_HH
+#define HB_OT_SHAPER_HH
 
 #include "hb.hh"
 
@@ -34,12 +34,12 @@
 #include "hb-ot-shape-normalize.hh"
 
 
-/* buffer var allocations, used by complex shapers */
-#define complex_var_u8_category()	var2.u8[2]
-#define complex_var_u8_auxiliary()	var2.u8[3]
+/* buffer var allocations, used by all OT shapers */
+#define ot_shaper_var_u8_category()	var2.u8[2]
+#define ot_shaper_var_u8_auxiliary()	var2.u8[3]
 
 
-#define HB_OT_SHAPE_COMPLEX_MAX_COMBINING_MARKS 32
+#define HB_OT_SHAPE_MAX_COMBINING_MARKS 32
 
 enum hb_ot_shape_zero_width_marks_type_t {
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
@@ -49,22 +49,22 @@ enum hb_ot_shape_zero_width_marks_type_t {
 
 
 /* Master OT shaper list */
-#define HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS \
-  HB_COMPLEX_SHAPER_IMPLEMENT (arabic) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (default) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (dumber) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (hangul) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (hebrew) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (indic) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (khmer) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_zawgyi) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (thai) \
-  HB_COMPLEX_SHAPER_IMPLEMENT (use) \
+#define HB_OT_SHAPERS_IMPLEMENT_SHAPERS \
+  HB_OT_SHAPER_IMPLEMENT (arabic) \
+  HB_OT_SHAPER_IMPLEMENT (default) \
+  HB_OT_SHAPER_IMPLEMENT (dumber) \
+  HB_OT_SHAPER_IMPLEMENT (hangul) \
+  HB_OT_SHAPER_IMPLEMENT (hebrew) \
+  HB_OT_SHAPER_IMPLEMENT (indic) \
+  HB_OT_SHAPER_IMPLEMENT (khmer) \
+  HB_OT_SHAPER_IMPLEMENT (myanmar) \
+  HB_OT_SHAPER_IMPLEMENT (myanmar_zawgyi) \
+  HB_OT_SHAPER_IMPLEMENT (thai) \
+  HB_OT_SHAPER_IMPLEMENT (use) \
   /* ^--- Add new shapers here; keep sorted. */
 
 
-struct hb_ot_complex_shaper_t
+struct hb_ot_shaper_t
 {
   /* collect_features()
    * Called during shape_plan().
@@ -117,8 +117,6 @@ struct hb_ot_complex_shaper_t
 			      hb_font_t                *font);
 
 
-  hb_ot_shape_normalization_mode_t normalization_preference;
-
   /* decompose()
    * Called during shape()'s normalization.
    * May be NULL.
@@ -147,12 +145,6 @@ struct hb_ot_complex_shaper_t
 		       hb_buffer_t              *buffer,
 		       hb_font_t                *font);
 
-  /* gpos_tag()
-   * If not HB_TAG_NONE, then must match found GPOS script tag for
-   * GPOS to be applied.  Otherwise, fallback positioning will be used.
-   */
-  hb_tag_t gpos_tag;
-
   /* reorder_marks()
    * Called during shape().
    * Shapers can use to modify ordering of combining marks.
@@ -163,23 +155,31 @@ struct hb_ot_complex_shaper_t
 			 unsigned int              start,
 			 unsigned int              end);
 
+  /* gpos_tag()
+   * If not HB_TAG_NONE, then must match found GPOS script tag for
+   * GPOS to be applied.  Otherwise, fallback positioning will be used.
+   */
+  hb_tag_t gpos_tag;
+
+  hb_ot_shape_normalization_mode_t normalization_preference;
+
   hb_ot_shape_zero_width_marks_type_t zero_width_marks;
 
   bool fallback_position;
 };
 
-#define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name;
-HB_COMPLEX_SHAPERS_IMPLEMENT_SHAPERS
-#undef HB_COMPLEX_SHAPER_IMPLEMENT
+#define HB_OT_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_shaper_t _hb_ot_shaper_##name;
+HB_OT_SHAPERS_IMPLEMENT_SHAPERS
+#undef HB_OT_SHAPER_IMPLEMENT
 
 
-static inline const hb_ot_complex_shaper_t *
-hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
+static inline const hb_ot_shaper_t *
+hb_ot_shaper_categorize (const hb_ot_shape_planner_t *planner)
 {
   switch ((hb_tag_t) planner->props.script)
   {
     default:
-      return &_hb_ot_complex_shaper_default;
+      return &_hb_ot_shaper_default;
 
 
     /* Unicode-1.1 additions */
@@ -195,28 +195,28 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
       if ((planner->map.chosen_script[0] != HB_OT_TAG_DEFAULT_SCRIPT ||
 	   planner->props.script == HB_SCRIPT_ARABIC) &&
 	  HB_DIRECTION_IS_HORIZONTAL(planner->props.direction))
-	return &_hb_ot_complex_shaper_arabic;
+	return &_hb_ot_shaper_arabic;
       else
-	return &_hb_ot_complex_shaper_default;
+	return &_hb_ot_shaper_default;
 
 
     /* Unicode-1.1 additions */
     case HB_SCRIPT_THAI:
     case HB_SCRIPT_LAO:
 
-      return &_hb_ot_complex_shaper_thai;
+      return &_hb_ot_shaper_thai;
 
 
     /* Unicode-1.1 additions */
     case HB_SCRIPT_HANGUL:
 
-      return &_hb_ot_complex_shaper_hangul;
+      return &_hb_ot_shaper_hangul;
 
 
     /* Unicode-1.1 additions */
     case HB_SCRIPT_HEBREW:
 
-      return &_hb_ot_complex_shaper_hebrew;
+      return &_hb_ot_shaper_hebrew;
 
 
     /* Unicode-1.1 additions */
@@ -230,9 +230,6 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_TAMIL:
     case HB_SCRIPT_TELUGU:
 
-    /* Unicode-3.0 additions */
-    case HB_SCRIPT_SINHALA:
-
       /* If the designer designed the font for the 'DFLT' script,
        * (or we ended up arbitrarily pick 'latn'), use the default shaper.
        * Otherwise, use the specific shaper.
@@ -240,14 +237,14 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
        * If it's indy3 tag, send to USE. */
       if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
 	  planner->map.chosen_script[0] == HB_TAG ('l','a','t','n'))
-	return &_hb_ot_complex_shaper_default;
+	return &_hb_ot_shaper_default;
       else if ((planner->map.chosen_script[0] & 0x000000FF) == '3')
-	return &_hb_ot_complex_shaper_use;
+	return &_hb_ot_shaper_use;
       else
-	return &_hb_ot_complex_shaper_indic;
+	return &_hb_ot_shaper_indic;
 
     case HB_SCRIPT_KHMER:
-	return &_hb_ot_complex_shaper_khmer;
+	return &_hb_ot_shaper_khmer;
 
     case HB_SCRIPT_MYANMAR:
       /* If the designer designed the font for the 'DFLT' script,
@@ -260,16 +257,18 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
       if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
 	  planner->map.chosen_script[0] == HB_TAG ('l','a','t','n') ||
 	  planner->map.chosen_script[0] == HB_TAG ('m','y','m','r'))
-	return &_hb_ot_complex_shaper_default;
+	return &_hb_ot_shaper_default;
       else
-	return &_hb_ot_complex_shaper_myanmar;
+	return &_hb_ot_shaper_myanmar;
 
 
+#ifndef HB_NO_OT_SHAPER_MYANMAR_ZAWGYI
 #define HB_SCRIPT_MYANMAR_ZAWGYI	((hb_script_t) HB_TAG ('Q','a','a','g'))
     case HB_SCRIPT_MYANMAR_ZAWGYI:
     /* https://github.com/harfbuzz/harfbuzz/issues/1162 */
 
-      return &_hb_ot_complex_shaper_myanmar_zawgyi;
+      return &_hb_ot_shaper_myanmar_zawgyi;
+#endif
 
 
     /* Unicode-2.0 additions */
@@ -277,7 +276,7 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
 
     /* Unicode-3.0 additions */
     case HB_SCRIPT_MONGOLIAN:
-    //case HB_SCRIPT_SINHALA:
+    case HB_SCRIPT_SINHALA:
 
     /* Unicode-3.2 additions */
     case HB_SCRIPT_BUHID:
@@ -383,6 +382,10 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_TOTO:
     case HB_SCRIPT_VITHKUQI:
 
+    /* Unicode-15.0 additions */
+    case HB_SCRIPT_KAWI:
+    case HB_SCRIPT_NAG_MUNDARI:
+
       /* If the designer designed the font for the 'DFLT' script,
        * (or we ended up arbitrarily pick 'latn'), use the default shaper.
        * Otherwise, use the specific shaper.
@@ -390,11 +393,11 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
        * GSUB/GPOS needed, so there may be no scripts found! */
       if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
 	  planner->map.chosen_script[0] == HB_TAG ('l','a','t','n'))
-	return &_hb_ot_complex_shaper_default;
+	return &_hb_ot_shaper_default;
       else
-	return &_hb_ot_complex_shaper_use;
+	return &_hb_ot_shaper_use;
   }
 }
 
 
-#endif /* HB_OT_SHAPE_COMPLEX_HH */
+#endif /* HB_OT_SHAPER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-stat-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-stat-table.hh
index 41d1734b39..59bb2daccd 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-stat-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-stat-table.hh
@@ -57,6 +57,31 @@ enum
   // Reserved = 0xFFFC				/* Reserved for future use — set to zero. */
 };
 
+struct StatAxisRecord
+{
+  int cmp (hb_tag_t key) const { return tag.cmp (key); }
+
+  hb_ot_name_id_t get_name_id () const { return nameID; }
+
+  hb_tag_t get_axis_tag () const { return tag; }
+
+  bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (likely (c->check_struct (this)));
+  }
+
+  protected:
+  Tag		tag;		/* A tag identifying the axis of design variation. */
+  NameID	nameID;		/* The name ID for entries in the 'name' table that
+				 * provide a display string for this axis. */
+  HBUINT16	ordering;	/* A value that applications can use to determine
+				 * primary sorting of face names, or for ordering
+				 * of descriptors when composing family or face names. */
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
 struct AxisValueFormat1
 {
   unsigned int get_axis_index () const { return axisIndex; }
@@ -64,10 +89,41 @@ struct AxisValueFormat1
 
   hb_ot_name_id_t get_value_name_id () const { return valueNameID; }
 
+  hb_tag_t get_axis_tag (const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    unsigned axis_idx = get_axis_index ();
+    return axis_records[axis_idx].get_axis_tag ();
+  }
+
+  bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
+                        const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
+  {
+    hb_tag_t axis_tag = get_axis_tag (axis_records);
+    float axis_value = get_value ();
+
+    if (!user_axes_location->has (axis_tag) ||
+        fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
+      return true;
+
+    return false;
+  }
+
+  bool subset (hb_subset_context_t *c,
+               const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    TRACE_SUBSET (this);
+    const hb_hashmap_t<hb_tag_t, float>*  user_axes_location = c->plan->user_axes_location;
+
+    if (keep_axis_value (axis_records, user_axes_location))
+      return_trace (c->serializer->embed (this));
+
+    return_trace (false);
+  }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -80,7 +136,7 @@ struct AxisValueFormat1
   NameID	valueNameID;	/* The name ID for entries in the 'name' table
 				 * that provide a display string for this
 				 * attribute value. */
-  HBFixed	value;		/* A numeric value for this attribute value. */
+  F16DOT16	value;		/* A numeric value for this attribute value. */
   public:
   DEFINE_SIZE_STATIC (12);
 };
@@ -92,10 +148,41 @@ struct AxisValueFormat2
 
   hb_ot_name_id_t get_value_name_id () const { return valueNameID; }
 
+  hb_tag_t get_axis_tag (const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    unsigned axis_idx = get_axis_index ();
+    return axis_records[axis_idx].get_axis_tag ();
+  }
+
+  bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
+                        const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
+  {
+    hb_tag_t axis_tag = get_axis_tag (axis_records);
+    float axis_value = get_value ();
+
+    if (!user_axes_location->has (axis_tag) ||
+        fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
+      return true;
+
+    return false;
+  }
+
+  bool subset (hb_subset_context_t *c,
+               const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    TRACE_SUBSET (this);
+    const hb_hashmap_t<hb_tag_t, float>*  user_axes_location = c->plan->user_axes_location;
+
+    if (keep_axis_value (axis_records, user_axes_location))
+      return_trace (c->serializer->embed (this));
+
+    return_trace (false);
+  }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -108,10 +195,10 @@ struct AxisValueFormat2
   NameID	valueNameID;	/* The name ID for entries in the 'name' table
 				 * that provide a display string for this
 				 * attribute value. */
-  HBFixed	nominalValue;	/* A numeric value for this attribute value. */
-  HBFixed	rangeMinValue;	/* The minimum value for a range associated
+  F16DOT16	nominalValue;	/* A numeric value for this attribute value. */
+  F16DOT16	rangeMinValue;	/* The minimum value for a range associated
 				 * with the specified name ID. */
-  HBFixed	rangeMaxValue;	/* The maximum value for a range associated
+  F16DOT16	rangeMaxValue;	/* The maximum value for a range associated
 				 * with the specified name ID. */
   public:
   DEFINE_SIZE_STATIC (20);
@@ -124,10 +211,41 @@ struct AxisValueFormat3
 
   hb_ot_name_id_t get_value_name_id () const { return valueNameID; }
 
+  hb_tag_t get_axis_tag (const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    unsigned axis_idx = get_axis_index ();
+    return axis_records[axis_idx].get_axis_tag ();
+  }
+
+  bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
+                        const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
+  {
+    hb_tag_t axis_tag = get_axis_tag (axis_records);
+    float axis_value = get_value ();
+
+    if (!user_axes_location->has (axis_tag) ||
+        fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
+      return true;
+
+    return false;
+  }
+
+  bool subset (hb_subset_context_t *c,
+               const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    TRACE_SUBSET (this);
+    const hb_hashmap_t<hb_tag_t, float>* user_axes_location = c->plan->user_axes_location;
+
+    if (keep_axis_value (axis_records, user_axes_location))
+      return_trace (c->serializer->embed (this));
+
+    return_trace (false);
+  }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
@@ -140,8 +258,8 @@ struct AxisValueFormat3
   NameID	valueNameID;	/* The name ID for entries in the 'name' table
 				 * that provide a display string for this
 				 * attribute value. */
-  HBFixed	value;		/* A numeric value for this attribute value. */
-  HBFixed	linkedValue;	/* The numeric value for a style-linked mapping
+  F16DOT16	value;		/* A numeric value for this attribute value. */
+  F16DOT16	linkedValue;	/* The numeric value for a style-linked mapping
 				 * from this value. */
   public:
   DEFINE_SIZE_STATIC (16);
@@ -155,14 +273,14 @@ struct AxisValueRecord
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (c->check_struct (this));
   }
 
   protected:
   HBUINT16	axisIndex;	/* Zero-base index into the axis record array
 				 * identifying the axis to which this value
 				 * applies. Must be less than designAxisCount. */
-  HBFixed	value;		/* A numeric value for this attribute value. */
+  F16DOT16	value;		/* A numeric value for this attribute value. */
   public:
   DEFINE_SIZE_STATIC (6);
 };
@@ -172,12 +290,47 @@ struct AxisValueFormat4
   const AxisValueRecord &get_axis_record (unsigned int axis_index) const
   { return axisValues.as_array (axisCount)[axis_index]; }
 
+  bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
+                        const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
+  {
+    hb_array_t<const AxisValueRecord> axis_value_records = axisValues.as_array (axisCount);
+
+    for (const auto& rec : axis_value_records)
+    {
+      unsigned axis_idx = rec.get_axis_index ();
+      float axis_value = rec.get_value ();
+      hb_tag_t axis_tag = axis_records[axis_idx].get_axis_tag ();
+
+      if (user_axes_location->has (axis_tag) &&
+          fabsf(axis_value - user_axes_location->get (axis_tag)) > 0.001f)
+        return false;
+    }
+
+    return true;
+  }
+
+  bool subset (hb_subset_context_t *c,
+               const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    TRACE_SUBSET (this);
+    const hb_hashmap_t<hb_tag_t, float> *user_axes_location = c->plan->user_axes_location;
+    if (!keep_axis_value (axis_records, user_axes_location))
+      return_trace (false);
+
+    unsigned total_size = min_size + axisCount * AxisValueRecord::static_size;
+    auto *out = c->serializer->allocate_size<AxisValueFormat4> (total_size);
+    if (unlikely (!out)) return_trace (false);
+    hb_memcpy (out, this, total_size);
+    return_trace (true);
+  }
+
   hb_ot_name_id_t get_value_name_id () const { return valueNameID; }
 
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (likely (c->check_struct (this) &&
+                          axisValues.sanitize (c, axisCount)));
   }
 
   protected:
@@ -234,6 +387,33 @@ struct AxisValue
     }
   }
 
+  template <typename context_t, typename ...Ts>
+  typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+  {
+    TRACE_DISPATCH (this, u.format);
+    if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+    switch (u.format) {
+    case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+    case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+    case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+    case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
+    default:return_trace (c->default_return_value ());
+    }
+  }
+
+  bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
+                        hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
+  {
+    switch (u.format)
+    {
+    case 1: return u.format1.keep_axis_value (axis_records, user_axes_location);
+    case 2: return u.format2.keep_axis_value (axis_records, user_axes_location);
+    case 3: return u.format3.keep_axis_value (axis_records, user_axes_location);
+    case 4: return u.format4.keep_axis_value (axis_records, user_axes_location);
+    default:return false;
+    }
+  }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -263,27 +443,35 @@ struct AxisValue
   DEFINE_SIZE_UNION (2, format);
 };
 
-struct StatAxisRecord
+struct AxisValueOffsetArray: UnsizedArrayOf<Offset16To<AxisValue>>
 {
-  int cmp (hb_tag_t key) const { return tag.cmp (key); }
+  bool subset (hb_subset_context_t *c,
+               unsigned axisValueCount,
+               unsigned& count,
+               const hb_array_t<const StatAxisRecord> axis_records) const
+  {
+    TRACE_SUBSET (this);
+    auto *out = c->serializer->start_embed (this);
+    if (unlikely (!out)) return_trace (false);
 
-  hb_ot_name_id_t get_name_id () const { return nameID; }
+    auto axisValueOffsets = as_array (axisValueCount);
+    count = 0;
+    for (const auto& offset : axisValueOffsets)
+    {
+      if (!offset) continue;
+      auto o_snap = c->serializer->snapshot ();
+      auto *o = c->serializer->embed (offset);
+      if (!o) return_trace (false);
+      if (!o->serialize_subset (c, offset, this, axis_records))
+      {
+        c->serializer->revert (o_snap);
+        continue;
+      }
+      count++;
+    }
 
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this)));
+    return_trace (count);
   }
-
-  protected:
-  Tag		tag;		/* A tag identifying the axis of design variation. */
-  NameID	nameID;		/* The name ID for entries in the 'name' table that
-				 * provide a display string for this axis. */
-  HBUINT16	ordering;	/* A value that applications can use to determine
-				 * primary sorting of face names, or for ordering
-				 * of descriptors when composing family or face names. */
-  public:
-  DEFINE_SIZE_STATIC (8);
 };
 
 struct STAT
@@ -329,7 +517,8 @@ struct STAT
     return axis_value.get_value_name_id ();
   }
 
-  void collect_name_ids (hb_set_t *nameids_to_retain) const
+  void collect_name_ids (hb_hashmap_t<hb_tag_t, float> *user_axes_location,
+                         hb_set_t *nameids_to_retain /* OUT */) const
   {
     if (!has_data ()) return;
 
@@ -338,13 +527,38 @@ struct STAT
     | hb_sink (nameids_to_retain)
     ;
 
+    auto designAxes = get_design_axes ();
+
     + get_axis_value_offsets ()
     | hb_map (hb_add (&(this + offsetToAxisValueOffsets)))
+    | hb_filter ([&] (const AxisValue& _)
+                 { return _.keep_axis_value (designAxes, user_axes_location); })
     | hb_map (&AxisValue::get_value_name_id)
     | hb_sink (nameids_to_retain)
     ;
   }
 
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    STAT *out = c->serializer->embed (this);
+    if (unlikely (!out)) return_trace (false);
+
+    auto designAxes = get_design_axes ();
+    for (unsigned i = 0; i < (unsigned)designAxisCount; i++)
+      if (unlikely (!c->serializer->embed (designAxes[i])))
+          return_trace (false);
+
+    if (designAxisCount)
+      c->serializer->check_assign (out->designAxesOffset, this->get_size (),
+                                   HB_SERIALIZE_ERROR_INT_OVERFLOW);
+
+    unsigned count = 0;
+    out->offsetToAxisValueOffsets.serialize_subset (c, offsetToAxisValueOffsets, this,
+                                                    axisValueCount, count, designAxes);
+    return_trace (c->serializer->check_assign (out->axisValueCount, count, HB_SERIALIZE_ERROR_INT_OVERFLOW));
+  }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
@@ -381,7 +595,7 @@ struct STAT
 				 * set to zero; if designAxisCount is greater
 				 * than zero, must be greater than zero. */
   HBUINT16	axisValueCount;	/* The number of axis value tables. */
-  NNOffset32To<UnsizedArrayOf<Offset16To<AxisValue>>>
+  NNOffset32To<AxisValueOffsetArray>
 		offsetToAxisValueOffsets;
 				/* Offset in bytes from the beginning of
 				 * the STAT table to the start of the design
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-tag-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-tag-table.hh
index 5261783277..9394b90ee6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-tag-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-tag-table.hh
@@ -13,1612 +13,1617 @@
 #ifndef HB_OT_TAG_TABLE_HH
 #define HB_OT_TAG_TABLE_HH
 
-static const LangTag ot_languages[] = {
-  {"aa",	HB_TAG('A','F','R',' ')},	/* Afar */
-  {"aae",	HB_TAG('S','Q','I',' ')},	/* Arbëreshë Albanian -> Albanian */
-  {"aao",	HB_TAG('A','R','A',' ')},	/* Algerian Saharan Arabic -> Arabic */
-  {"aat",	HB_TAG('S','Q','I',' ')},	/* Arvanitika Albanian -> Albanian */
-  {"ab",	HB_TAG('A','B','K',' ')},	/* Abkhazian */
-  {"aba",	HB_TAG_NONE	       },	/* Abé != Abaza */
-  {"abh",	HB_TAG('A','R','A',' ')},	/* Tajiki Arabic -> Arabic */
-  {"abq",	HB_TAG('A','B','A',' ')},	/* Abaza */
-  {"abs",	HB_TAG('C','P','P',' ')},	/* Ambonese Malay -> Creoles */
-  {"abv",	HB_TAG('A','R','A',' ')},	/* Baharna Arabic -> Arabic */
-  {"acf",	HB_TAG('F','A','N',' ')},	/* Saint Lucian Creole French -> French Antillean */
-  {"acf",	HB_TAG('C','P','P',' ')},	/* Saint Lucian Creole French -> Creoles */
-/*{"ach",	HB_TAG('A','C','H',' ')},*/	/* Acoli -> Acholi */
-  {"acm",	HB_TAG('A','R','A',' ')},	/* Mesopotamian Arabic -> Arabic */
-  {"acq",	HB_TAG('A','R','A',' ')},	/* Ta'izzi-Adeni Arabic -> Arabic */
-  {"acr",	HB_TAG('A','C','R',' ')},	/* Achi */
-  {"acr",	HB_TAG('M','Y','N',' ')},	/* Achi -> Mayan */
-  {"acw",	HB_TAG('A','R','A',' ')},	/* Hijazi Arabic -> Arabic */
-  {"acx",	HB_TAG('A','R','A',' ')},	/* Omani Arabic -> Arabic */
-  {"acy",	HB_TAG('A','R','A',' ')},	/* Cypriot Arabic -> Arabic */
-  {"ada",	HB_TAG('D','N','G',' ')},	/* Adangme -> Dangme */
-  {"adf",	HB_TAG('A','R','A',' ')},	/* Dhofari Arabic -> Arabic */
-  {"adp",	HB_TAG('D','Z','N',' ')},	/* Adap (retired code) -> Dzongkha */
-/*{"ady",	HB_TAG('A','D','Y',' ')},*/	/* Adyghe */
-  {"aeb",	HB_TAG('A','R','A',' ')},	/* Tunisian Arabic -> Arabic */
-  {"aec",	HB_TAG('A','R','A',' ')},	/* Saidi Arabic -> Arabic */
-  {"af",	HB_TAG('A','F','K',' ')},	/* Afrikaans */
-  {"afb",	HB_TAG('A','R','A',' ')},	/* Gulf Arabic -> Arabic */
-  {"afk",	HB_TAG_NONE	       },	/* Nanubae != Afrikaans */
-  {"afs",	HB_TAG('C','P','P',' ')},	/* Afro-Seminole Creole -> Creoles */
-  {"agu",	HB_TAG('M','Y','N',' ')},	/* Aguacateco -> Mayan */
-  {"agw",	HB_TAG_NONE	       },	/* Kahua != Agaw */
-  {"ahg",	HB_TAG('A','G','W',' ')},	/* Qimant -> Agaw */
-  {"aht",	HB_TAG('A','T','H',' ')},	/* Ahtena -> Athapaskan */
-  {"aig",	HB_TAG('C','P','P',' ')},	/* Antigua and Barbuda Creole English -> Creoles */
-  {"aii",	HB_TAG('S','W','A',' ')},	/* Assyrian Neo-Aramaic -> Swadaya Aramaic */
-  {"aii",	HB_TAG('S','Y','R',' ')},	/* Assyrian Neo-Aramaic -> Syriac */
-/*{"aio",	HB_TAG('A','I','O',' ')},*/	/* Aiton */
-  {"aiw",	HB_TAG('A','R','I',' ')},	/* Aari */
-  {"ajp",	HB_TAG('A','R','A',' ')},	/* South Levantine Arabic -> Arabic */
-  {"ajt",	HB_TAG('A','R','A',' ')},	/* Judeo-Tunisian Arabic (retired code) -> Arabic */
-  {"ak",	HB_TAG('A','K','A',' ')},	/* Akan [macrolanguage] */
-  {"akb",	HB_TAG('A','K','B',' ')},	/* Batak Angkola */
-  {"akb",	HB_TAG('B','T','K',' ')},	/* Batak Angkola -> Batak */
-  {"aln",	HB_TAG('S','Q','I',' ')},	/* Gheg Albanian -> Albanian */
-  {"als",	HB_TAG('S','Q','I',' ')},	/* Tosk Albanian -> Albanian */
-/*{"alt",	HB_TAG('A','L','T',' ')},*/	/* Southern Altai -> Altai */
-  {"am",	HB_TAG('A','M','H',' ')},	/* Amharic */
-  {"amf",	HB_TAG('H','B','N',' ')},	/* Hamer-Banna -> Hammer-Banna */
-  {"amw",	HB_TAG('S','Y','R',' ')},	/* Western Neo-Aramaic -> Syriac */
-  {"an",	HB_TAG('A','R','G',' ')},	/* Aragonese */
-/*{"ang",	HB_TAG('A','N','G',' ')},*/	/* Old English (ca. 450-1100) -> Anglo-Saxon */
-  {"aoa",	HB_TAG('C','P','P',' ')},	/* Angolar -> Creoles */
-  {"apa",	HB_TAG('A','T','H',' ')},	/* Apache [collection] -> Athapaskan */
-  {"apc",	HB_TAG('A','R','A',' ')},	/* North Levantine Arabic -> Arabic */
-  {"apd",	HB_TAG('A','R','A',' ')},	/* Sudanese Arabic -> Arabic */
-  {"apj",	HB_TAG('A','T','H',' ')},	/* Jicarilla Apache -> Athapaskan */
-  {"apk",	HB_TAG('A','T','H',' ')},	/* Kiowa Apache -> Athapaskan */
-  {"apl",	HB_TAG('A','T','H',' ')},	/* Lipan Apache -> Athapaskan */
-  {"apm",	HB_TAG('A','T','H',' ')},	/* Mescalero-Chiricahua Apache -> Athapaskan */
-  {"apw",	HB_TAG('A','T','H',' ')},	/* Western Apache -> Athapaskan */
-  {"ar",	HB_TAG('A','R','A',' ')},	/* Arabic [macrolanguage] */
-  {"arb",	HB_TAG('A','R','A',' ')},	/* Standard Arabic -> Arabic */
-  {"ari",	HB_TAG_NONE	       },	/* Arikara != Aari */
-  {"ark",	HB_TAG_NONE	       },	/* Arikapú != Rakhine */
-  {"arn",	HB_TAG('M','A','P',' ')},	/* Mapudungun */
-  {"arq",	HB_TAG('A','R','A',' ')},	/* Algerian Arabic -> Arabic */
-  {"ars",	HB_TAG('A','R','A',' ')},	/* Najdi Arabic -> Arabic */
-  {"ary",	HB_TAG('M','O','R',' ')},	/* Moroccan Arabic -> Moroccan */
-  {"ary",	HB_TAG('A','R','A',' ')},	/* Moroccan Arabic -> Arabic */
-  {"arz",	HB_TAG('A','R','A',' ')},	/* Egyptian Arabic -> Arabic */
-  {"as",	HB_TAG('A','S','M',' ')},	/* Assamese */
-/*{"ast",	HB_TAG('A','S','T',' ')},*/	/* Asturian */
-/*{"ath",	HB_TAG('A','T','H',' ')},*/	/* Athapascan [collection] -> Athapaskan */
-  {"atj",	HB_TAG('R','C','R',' ')},	/* Atikamekw -> R-Cree */
-  {"atv",	HB_TAG('A','L','T',' ')},	/* Northern Altai -> Altai */
-  {"auj",	HB_TAG('B','B','R',' ')},	/* Awjilah -> Berber */
-  {"auz",	HB_TAG('A','R','A',' ')},	/* Uzbeki Arabic -> Arabic */
-  {"av",	HB_TAG('A','V','R',' ')},	/* Avaric -> Avar */
-  {"avl",	HB_TAG('A','R','A',' ')},	/* Eastern Egyptian Bedawi Arabic -> Arabic */
-/*{"avn",	HB_TAG('A','V','N',' ')},*/	/* Avatime */
-/*{"awa",	HB_TAG('A','W','A',' ')},*/	/* Awadhi */
-  {"ay",	HB_TAG('A','Y','M',' ')},	/* Aymara [macrolanguage] */
-  {"ayc",	HB_TAG('A','Y','M',' ')},	/* Southern Aymara -> Aymara */
-  {"ayh",	HB_TAG('A','R','A',' ')},	/* Hadrami Arabic -> Arabic */
-  {"ayl",	HB_TAG('A','R','A',' ')},	/* Libyan Arabic -> Arabic */
-  {"ayn",	HB_TAG('A','R','A',' ')},	/* Sanaani Arabic -> Arabic */
-  {"ayp",	HB_TAG('A','R','A',' ')},	/* North Mesopotamian Arabic -> Arabic */
-  {"ayr",	HB_TAG('A','Y','M',' ')},	/* Central Aymara -> Aymara */
-  {"az",	HB_TAG('A','Z','E',' ')},	/* Azerbaijani [macrolanguage] */
-  {"azb",	HB_TAG('A','Z','B',' ')},	/* South Azerbaijani -> Torki */
-  {"azb",	HB_TAG('A','Z','E',' ')},	/* South Azerbaijani -> Azerbaijani */
-  {"azd",	HB_TAG('N','A','H',' ')},	/* Eastern Durango Nahuatl -> Nahuatl */
-  {"azj",	HB_TAG('A','Z','E',' ')},	/* North Azerbaijani -> Azerbaijani */
-  {"azn",	HB_TAG('N','A','H',' ')},	/* Western Durango Nahuatl -> Nahuatl */
-  {"azz",	HB_TAG('N','A','H',' ')},	/* Highland Puebla Nahuatl -> Nahuatl */
-  {"ba",	HB_TAG('B','S','H',' ')},	/* Bashkir */
-  {"bad",	HB_TAG('B','A','D','0')},	/* Banda [collection] */
-  {"bag",	HB_TAG_NONE	       },	/* Tuki != Baghelkhandi */
-  {"bah",	HB_TAG('C','P','P',' ')},	/* Bahamas Creole English -> Creoles */
-  {"bai",	HB_TAG('B','M','L',' ')},	/* Bamileke [collection] */
-  {"bal",	HB_TAG('B','L','I',' ')},	/* Baluchi [macrolanguage] */
-/*{"ban",	HB_TAG('B','A','N',' ')},*/	/* Balinese */
-/*{"bar",	HB_TAG('B','A','R',' ')},*/	/* Bavarian */
-  {"bau",	HB_TAG_NONE	       },	/* Bada (Nigeria) != Baulé */
-  {"bbc",	HB_TAG('B','B','C',' ')},	/* Batak Toba */
-  {"bbc",	HB_TAG('B','T','K',' ')},	/* Batak Toba -> Batak */
-  {"bbj",	HB_TAG('B','M','L',' ')},	/* Ghomálá' -> Bamileke */
-  {"bbp",	HB_TAG('B','A','D','0')},	/* West Central Banda -> Banda */
-  {"bbr",	HB_TAG_NONE	       },	/* Girawa != Berber */
-  {"bbz",	HB_TAG('A','R','A',' ')},	/* Babalia Creole Arabic (retired code) -> Arabic */
-  {"bcc",	HB_TAG('B','L','I',' ')},	/* Southern Balochi -> Baluchi */
-  {"bch",	HB_TAG_NONE	       },	/* Bariai != Bench */
-  {"bci",	HB_TAG('B','A','U',' ')},	/* Baoulé -> Baulé */
-  {"bcl",	HB_TAG('B','I','K',' ')},	/* Central Bikol -> Bikol */
-  {"bcq",	HB_TAG('B','C','H',' ')},	/* Bench */
-  {"bcr",	HB_TAG('A','T','H',' ')},	/* Babine -> Athapaskan */
-/*{"bdy",	HB_TAG('B','D','Y',' ')},*/	/* Bandjalang */
-  {"be",	HB_TAG('B','E','L',' ')},	/* Belarusian -> Belarussian */
-  {"bea",	HB_TAG('A','T','H',' ')},	/* Beaver -> Athapaskan */
-  {"beb",	HB_TAG('B','T','I',' ')},	/* Bebele -> Beti */
-/*{"bem",	HB_TAG('B','E','M',' ')},*/	/* Bemba (Zambia) */
-  {"ber",	HB_TAG('B','B','R',' ')},	/* Berber [collection] */
-  {"bew",	HB_TAG('C','P','P',' ')},	/* Betawi -> Creoles */
-  {"bfl",	HB_TAG('B','A','D','0')},	/* Banda-Ndélé -> Banda */
-  {"bfq",	HB_TAG('B','A','D',' ')},	/* Badaga */
-  {"bft",	HB_TAG('B','L','T',' ')},	/* Balti */
-  {"bfu",	HB_TAG('L','A','H',' ')},	/* Gahri -> Lahuli */
-  {"bfy",	HB_TAG('B','A','G',' ')},	/* Bagheli -> Baghelkhandi */
-  {"bg",	HB_TAG('B','G','R',' ')},	/* Bulgarian */
-/*{"bgc",	HB_TAG('B','G','C',' ')},*/	/* Haryanvi */
-  {"bgn",	HB_TAG('B','L','I',' ')},	/* Western Balochi -> Baluchi */
-  {"bgp",	HB_TAG('B','L','I',' ')},	/* Eastern Balochi -> Baluchi */
-  {"bgq",	HB_TAG('B','G','Q',' ')},	/* Bagri */
-  {"bgq",	HB_TAG('R','A','J',' ')},	/* Bagri -> Rajasthani */
-  {"bgr",	HB_TAG('Q','I','N',' ')},	/* Bawm Chin -> Chin */
-  {"bhb",	HB_TAG('B','H','I',' ')},	/* Bhili */
-/*{"bhi",	HB_TAG('B','H','I',' ')},*/	/* Bhilali -> Bhili */
-  {"bhk",	HB_TAG('B','I','K',' ')},	/* Albay Bicolano (retired code) -> Bikol */
-/*{"bho",	HB_TAG('B','H','O',' ')},*/	/* Bhojpuri */
-  {"bhr",	HB_TAG('M','L','G',' ')},	/* Bara Malagasy -> Malagasy */
-  {"bi",	HB_TAG('B','I','S',' ')},	/* Bislama */
-  {"bi",	HB_TAG('C','P','P',' ')},	/* Bislama -> Creoles */
-/*{"bik",	HB_TAG('B','I','K',' ')},*/	/* Bikol [macrolanguage] */
-  {"bil",	HB_TAG_NONE	       },	/* Bile != Bilen */
-  {"bin",	HB_TAG('E','D','O',' ')},	/* Edo */
-  {"biu",	HB_TAG('Q','I','N',' ')},	/* Biete -> Chin */
-/*{"bjj",	HB_TAG('B','J','J',' ')},*/	/* Kanauji */
-  {"bjn",	HB_TAG('M','L','Y',' ')},	/* Banjar -> Malay */
-  {"bjo",	HB_TAG('B','A','D','0')},	/* Mid-Southern Banda -> Banda */
-  {"bjq",	HB_TAG('M','L','G',' ')},	/* Southern Betsimisaraka Malagasy (retired code) -> Malagasy */
-  {"bjs",	HB_TAG('C','P','P',' ')},	/* Bajan -> Creoles */
-  {"bjt",	HB_TAG('B','L','N',' ')},	/* Balanta-Ganja -> Balante */
-  {"bkf",	HB_TAG_NONE	       },	/* Beeke != Blackfoot */
-  {"bko",	HB_TAG('B','M','L',' ')},	/* Kwa' -> Bamileke */
-  {"bla",	HB_TAG('B','K','F',' ')},	/* Siksika -> Blackfoot */
-  {"ble",	HB_TAG('B','L','N',' ')},	/* Balanta-Kentohe -> Balante */
-  {"blg",	HB_TAG('I','B','A',' ')},	/* Balau (retired code) -> Iban */
-  {"bli",	HB_TAG_NONE	       },	/* Bolia != Baluchi */
-  {"blk",	HB_TAG('B','L','K',' ')},	/* Pa’o Karen */
-  {"blk",	HB_TAG('K','R','N',' ')},	/* Pa'o Karen -> Karen */
-  {"bln",	HB_TAG('B','I','K',' ')},	/* Southern Catanduanes Bikol -> Bikol */
-  {"blt",	HB_TAG_NONE	       },	/* Tai Dam != Balti */
-  {"bm",	HB_TAG('B','M','B',' ')},	/* Bambara (Bamanankan) */
-  {"bmb",	HB_TAG_NONE	       },	/* Bembe != Bambara (Bamanankan) */
-  {"bml",	HB_TAG_NONE	       },	/* Bomboli != Bamileke */
-  {"bmm",	HB_TAG('M','L','G',' ')},	/* Northern Betsimisaraka Malagasy -> Malagasy */
-  {"bn",	HB_TAG('B','E','N',' ')},	/* Bengali */
-  {"bo",	HB_TAG('T','I','B',' ')},	/* Tibetan */
-  {"bpd",	HB_TAG('B','A','D','0')},	/* Banda-Banda -> Banda */
-  {"bpl",	HB_TAG('C','P','P',' ')},	/* Broome Pearling Lugger Pidgin -> Creoles */
-  {"bpq",	HB_TAG('C','P','P',' ')},	/* Banda Malay -> Creoles */
-/*{"bpy",	HB_TAG('B','P','Y',' ')},*/	/* Bishnupriya -> Bishnupriya Manipuri */
-  {"bqi",	HB_TAG('L','R','C',' ')},	/* Bakhtiari -> Luri */
-  {"bqk",	HB_TAG('B','A','D','0')},	/* Banda-Mbrès -> Banda */
-  {"br",	HB_TAG('B','R','E',' ')},	/* Breton */
-  {"bra",	HB_TAG('B','R','I',' ')},	/* Braj -> Braj Bhasha */
-  {"brc",	HB_TAG('C','P','P',' ')},	/* Berbice Creole Dutch -> Creoles */
-/*{"brh",	HB_TAG('B','R','H',' ')},*/	/* Brahui */
-  {"bri",	HB_TAG_NONE	       },	/* Mokpwe != Braj Bhasha */
-  {"brm",	HB_TAG_NONE	       },	/* Barambu != Burmese */
-/*{"brx",	HB_TAG('B','R','X',' ')},*/	/* Bodo (India) */
-  {"bs",	HB_TAG('B','O','S',' ')},	/* Bosnian */
-  {"bsh",	HB_TAG_NONE	       },	/* Kati != Bashkir */
-/*{"bsk",	HB_TAG('B','S','K',' ')},*/	/* Burushaski */
-  {"btb",	HB_TAG('B','T','I',' ')},	/* Beti (Cameroon) (retired code) */
-  {"btd",	HB_TAG('B','T','D',' ')},	/* Batak Dairi (Pakpak) */
-  {"btd",	HB_TAG('B','T','K',' ')},	/* Batak Dairi -> Batak */
-  {"bti",	HB_TAG_NONE	       },	/* Burate != Beti */
-  {"btj",	HB_TAG('M','L','Y',' ')},	/* Bacanese Malay -> Malay */
-/*{"btk",	HB_TAG('B','T','K',' ')},*/	/* Batak [collection] */
-  {"btm",	HB_TAG('B','T','M',' ')},	/* Batak Mandailing */
-  {"btm",	HB_TAG('B','T','K',' ')},	/* Batak Mandailing -> Batak */
-  {"bto",	HB_TAG('B','I','K',' ')},	/* Rinconada Bikol -> Bikol */
-  {"bts",	HB_TAG('B','T','S',' ')},	/* Batak Simalungun */
-  {"bts",	HB_TAG('B','T','K',' ')},	/* Batak Simalungun -> Batak */
-  {"btx",	HB_TAG('B','T','X',' ')},	/* Batak Karo */
-  {"btx",	HB_TAG('B','T','K',' ')},	/* Batak Karo -> Batak */
-  {"btz",	HB_TAG('B','T','Z',' ')},	/* Batak Alas-Kluet */
-  {"btz",	HB_TAG('B','T','K',' ')},	/* Batak Alas-Kluet -> Batak */
-/*{"bug",	HB_TAG('B','U','G',' ')},*/	/* Buginese -> Bugis */
-  {"bum",	HB_TAG('B','T','I',' ')},	/* Bulu (Cameroon) -> Beti */
-  {"bve",	HB_TAG('M','L','Y',' ')},	/* Berau Malay -> Malay */
-  {"bvu",	HB_TAG('M','L','Y',' ')},	/* Bukit Malay -> Malay */
-  {"bwe",	HB_TAG('K','R','N',' ')},	/* Bwe Karen -> Karen */
-  {"bxk",	HB_TAG('L','U','H',' ')},	/* Bukusu -> Luyia */
-  {"bxo",	HB_TAG('C','P','P',' ')},	/* Barikanchi -> Creoles */
-  {"bxp",	HB_TAG('B','T','I',' ')},	/* Bebil -> Beti */
-  {"bxr",	HB_TAG('R','B','U',' ')},	/* Russia Buriat -> Russian Buriat */
-  {"byn",	HB_TAG('B','I','L',' ')},	/* Bilin -> Bilen */
-  {"byv",	HB_TAG('B','Y','V',' ')},	/* Medumba */
-  {"byv",	HB_TAG('B','M','L',' ')},	/* Medumba -> Bamileke */
-  {"bzc",	HB_TAG('M','L','G',' ')},	/* Southern Betsimisaraka Malagasy -> Malagasy */
-  {"bzj",	HB_TAG('C','P','P',' ')},	/* Belize Kriol English -> Creoles */
-  {"bzk",	HB_TAG('C','P','P',' ')},	/* Nicaragua Creole English -> Creoles */
-  {"ca",	HB_TAG('C','A','T',' ')},	/* Catalan */
-  {"caa",	HB_TAG('M','Y','N',' ')},	/* Chortí -> Mayan */
-  {"cac",	HB_TAG('M','Y','N',' ')},	/* Chuj -> Mayan */
-  {"caf",	HB_TAG('C','R','R',' ')},	/* Southern Carrier -> Carrier */
-  {"caf",	HB_TAG('A','T','H',' ')},	/* Southern Carrier -> Athapaskan */
-  {"cak",	HB_TAG('C','A','K',' ')},	/* Kaqchikel */
-  {"cak",	HB_TAG('M','Y','N',' ')},	/* Kaqchikel -> Mayan */
-  {"cbk",	HB_TAG('C','B','K',' ')},	/* Chavacano -> Zamboanga Chavacano */
-  {"cbk",	HB_TAG('C','P','P',' ')},	/* Chavacano -> Creoles */
-  {"cbl",	HB_TAG('Q','I','N',' ')},	/* Bualkhaw Chin -> Chin */
-  {"ccl",	HB_TAG('C','P','P',' ')},	/* Cutchi-Swahili -> Creoles */
-  {"ccm",	HB_TAG('C','P','P',' ')},	/* Malaccan Creole Malay -> Creoles */
-  {"cco",	HB_TAG('C','C','H','N')},	/* Comaltepec Chinantec -> Chinantec */
-  {"ccq",	HB_TAG('A','R','K',' ')},	/* Chaungtha (retired code) -> Rakhine */
-  {"cdo",	HB_TAG('Z','H','S',' ')},	/* Min Dong Chinese -> Chinese, Simplified */
-  {"ce",	HB_TAG('C','H','E',' ')},	/* Chechen */
-/*{"ceb",	HB_TAG('C','E','B',' ')},*/	/* Cebuano */
-  {"cek",	HB_TAG('Q','I','N',' ')},	/* Eastern Khumi Chin -> Chin */
-  {"cey",	HB_TAG('Q','I','N',' ')},	/* Ekai Chin -> Chin */
-  {"cfm",	HB_TAG('H','A','L',' ')},	/* Halam (Falam Chin) */
-  {"cfm",	HB_TAG('Q','I','N',' ')},	/* Falam Chin -> Chin */
-/*{"cgg",	HB_TAG('C','G','G',' ')},*/	/* Chiga */
-  {"ch",	HB_TAG('C','H','A',' ')},	/* Chamorro */
-  {"chf",	HB_TAG('M','Y','N',' ')},	/* Tabasco Chontal -> Mayan */
-  {"chg",	HB_TAG_NONE	       },	/* Chagatai != Chaha Gurage */
-  {"chh",	HB_TAG_NONE	       },	/* Chinook != Chattisgarhi */
-  {"chj",	HB_TAG('C','C','H','N')},	/* Ojitlán Chinantec -> Chinantec */
-  {"chk",	HB_TAG('C','H','K','0')},	/* Chuukese */
-  {"chm",	HB_TAG('H','M','A',' ')},	/* Mari (Russia) [macrolanguage] -> High Mari */
-  {"chm",	HB_TAG('L','M','A',' ')},	/* Mari (Russia) [macrolanguage] -> Low Mari */
-  {"chn",	HB_TAG('C','P','P',' ')},	/* Chinook jargon -> Creoles */
-/*{"cho",	HB_TAG('C','H','O',' ')},*/	/* Choctaw */
-  {"chp",	HB_TAG('C','H','P',' ')},	/* Chipewyan */
-  {"chp",	HB_TAG('S','A','Y',' ')},	/* Chipewyan -> Sayisi */
-  {"chp",	HB_TAG('A','T','H',' ')},	/* Chipewyan -> Athapaskan */
-  {"chq",	HB_TAG('C','C','H','N')},	/* Quiotepec Chinantec -> Chinantec */
-/*{"chr",	HB_TAG('C','H','R',' ')},*/	/* Cherokee */
-/*{"chy",	HB_TAG('C','H','Y',' ')},*/	/* Cheyenne */
-  {"chz",	HB_TAG('C','C','H','N')},	/* Ozumacín Chinantec -> Chinantec */
-  {"ciw",	HB_TAG('O','J','B',' ')},	/* Chippewa -> Ojibway */
-/*{"cja",	HB_TAG('C','J','A',' ')},*/	/* Western Cham */
-/*{"cjm",	HB_TAG('C','J','M',' ')},*/	/* Eastern Cham */
-  {"cjy",	HB_TAG('Z','H','S',' ')},	/* Jinyu Chinese -> Chinese, Simplified */
-  {"cka",	HB_TAG('Q','I','N',' ')},	/* Khumi Awa Chin (retired code) -> Chin */
-  {"ckb",	HB_TAG('K','U','R',' ')},	/* Central Kurdish -> Kurdish */
-  {"ckn",	HB_TAG('Q','I','N',' ')},	/* Kaang Chin -> Chin */
-  {"cks",	HB_TAG('C','P','P',' ')},	/* Tayo -> Creoles */
-  {"ckt",	HB_TAG('C','H','K',' ')},	/* Chukot -> Chukchi */
-  {"ckz",	HB_TAG('M','Y','N',' ')},	/* Cakchiquel-Quiché Mixed Language -> Mayan */
-  {"clc",	HB_TAG('A','T','H',' ')},	/* Chilcotin -> Athapaskan */
-  {"cld",	HB_TAG('S','Y','R',' ')},	/* Chaldean Neo-Aramaic -> Syriac */
-  {"cle",	HB_TAG('C','C','H','N')},	/* Lealao Chinantec -> Chinantec */
-  {"clj",	HB_TAG('Q','I','N',' ')},	/* Laitu Chin -> Chin */
-  {"clt",	HB_TAG('Q','I','N',' ')},	/* Lautu Chin -> Chin */
-  {"cmn",	HB_TAG('Z','H','S',' ')},	/* Mandarin Chinese -> Chinese, Simplified */
-  {"cmr",	HB_TAG('Q','I','N',' ')},	/* Mro-Khimi Chin -> Chin */
-  {"cnb",	HB_TAG('Q','I','N',' ')},	/* Chinbon Chin -> Chin */
-  {"cnh",	HB_TAG('Q','I','N',' ')},	/* Hakha Chin -> Chin */
-  {"cnk",	HB_TAG('Q','I','N',' ')},	/* Khumi Chin -> Chin */
-  {"cnl",	HB_TAG('C','C','H','N')},	/* Lalana Chinantec -> Chinantec */
-  {"cnp",	HB_TAG('Z','H','S',' ')},	/* Northern Ping Chinese -> Chinese, Simplified */
-  {"cnr",	HB_TAG('S','R','B',' ')},	/* Montenegrin -> Serbian */
-  {"cnt",	HB_TAG('C','C','H','N')},	/* Tepetotutla Chinantec -> Chinantec */
-  {"cnu",	HB_TAG('B','B','R',' ')},	/* Chenoua -> Berber */
-  {"cnw",	HB_TAG('Q','I','N',' ')},	/* Ngawn Chin -> Chin */
-  {"co",	HB_TAG('C','O','S',' ')},	/* Corsican */
-  {"coa",	HB_TAG('M','L','Y',' ')},	/* Cocos Islands Malay -> Malay */
-  {"cob",	HB_TAG('M','Y','N',' ')},	/* Chicomuceltec -> Mayan */
-/*{"cop",	HB_TAG('C','O','P',' ')},*/	/* Coptic */
-  {"coq",	HB_TAG('A','T','H',' ')},	/* Coquille -> Athapaskan */
-  {"cpa",	HB_TAG('C','C','H','N')},	/* Palantla Chinantec -> Chinantec */
-  {"cpe",	HB_TAG('C','P','P',' ')},	/* English-based creoles and pidgins [collection] -> Creoles */
-  {"cpf",	HB_TAG('C','P','P',' ')},	/* French-based creoles and pidgins [collection] -> Creoles */
-  {"cpi",	HB_TAG('C','P','P',' ')},	/* Chinese Pidgin English -> Creoles */
-/*{"cpp",	HB_TAG('C','P','P',' ')},*/	/* Portuguese-based creoles and pidgins [collection] -> Creoles */
-  {"cpx",	HB_TAG('Z','H','S',' ')},	/* Pu-Xian Chinese -> Chinese, Simplified */
-  {"cqd",	HB_TAG('H','M','N',' ')},	/* Chuanqiandian Cluster Miao -> Hmong */
-  {"cqu",	HB_TAG('Q','U','H',' ')},	/* Chilean Quechua (retired code) -> Quechua (Bolivia) */
-  {"cqu",	HB_TAG('Q','U','Z',' ')},	/* Chilean Quechua (retired code) -> Quechua */
-  {"cr",	HB_TAG('C','R','E',' ')},	/* Cree [macrolanguage] */
-  {"crh",	HB_TAG('C','R','T',' ')},	/* Crimean Tatar */
-  {"cri",	HB_TAG('C','P','P',' ')},	/* Sãotomense -> Creoles */
-  {"crj",	HB_TAG('E','C','R',' ')},	/* Southern East Cree -> Eastern Cree */
-  {"crj",	HB_TAG('Y','C','R',' ')},	/* Southern East Cree -> Y-Cree */
-  {"crj",	HB_TAG('C','R','E',' ')},	/* Southern East Cree -> Cree */
-  {"crk",	HB_TAG('W','C','R',' ')},	/* Plains Cree -> West-Cree */
-  {"crk",	HB_TAG('Y','C','R',' ')},	/* Plains Cree -> Y-Cree */
-  {"crk",	HB_TAG('C','R','E',' ')},	/* Plains Cree -> Cree */
-  {"crl",	HB_TAG('E','C','R',' ')},	/* Northern East Cree -> Eastern Cree */
-  {"crl",	HB_TAG('Y','C','R',' ')},	/* Northern East Cree -> Y-Cree */
-  {"crl",	HB_TAG('C','R','E',' ')},	/* Northern East Cree -> Cree */
-  {"crm",	HB_TAG('M','C','R',' ')},	/* Moose Cree */
-  {"crm",	HB_TAG('L','C','R',' ')},	/* Moose Cree -> L-Cree */
-  {"crm",	HB_TAG('C','R','E',' ')},	/* Moose Cree -> Cree */
-  {"crp",	HB_TAG('C','P','P',' ')},	/* Creoles and pidgins [collection] -> Creoles */
-  {"crr",	HB_TAG_NONE	       },	/* Carolina Algonquian != Carrier */
-  {"crs",	HB_TAG('C','P','P',' ')},	/* Seselwa Creole French -> Creoles */
-  {"crt",	HB_TAG_NONE	       },	/* Iyojwa'ja Chorote != Crimean Tatar */
-  {"crx",	HB_TAG('C','R','R',' ')},	/* Carrier */
-  {"crx",	HB_TAG('A','T','H',' ')},	/* Carrier -> Athapaskan */
-  {"cs",	HB_TAG('C','S','Y',' ')},	/* Czech */
-  {"csa",	HB_TAG('C','C','H','N')},	/* Chiltepec Chinantec -> Chinantec */
-/*{"csb",	HB_TAG('C','S','B',' ')},*/	/* Kashubian */
-  {"csh",	HB_TAG('Q','I','N',' ')},	/* Asho Chin -> Chin */
-  {"csj",	HB_TAG('Q','I','N',' ')},	/* Songlai Chin -> Chin */
-  {"csl",	HB_TAG_NONE	       },	/* Chinese Sign Language != Church Slavonic */
-  {"cso",	HB_TAG('C','C','H','N')},	/* Sochiapam Chinantec -> Chinantec */
-  {"csp",	HB_TAG('Z','H','S',' ')},	/* Southern Ping Chinese -> Chinese, Simplified */
-  {"csv",	HB_TAG('Q','I','N',' ')},	/* Sumtu Chin -> Chin */
-  {"csw",	HB_TAG('N','C','R',' ')},	/* Swampy Cree -> N-Cree */
-  {"csw",	HB_TAG('N','H','C',' ')},	/* Swampy Cree -> Norway House Cree */
-  {"csw",	HB_TAG('C','R','E',' ')},	/* Swampy Cree -> Cree */
-  {"csy",	HB_TAG('Q','I','N',' ')},	/* Siyin Chin -> Chin */
-  {"ctc",	HB_TAG('A','T','H',' ')},	/* Chetco -> Athapaskan */
-  {"ctd",	HB_TAG('Q','I','N',' ')},	/* Tedim Chin -> Chin */
-  {"cte",	HB_TAG('C','C','H','N')},	/* Tepinapa Chinantec -> Chinantec */
-/*{"ctg",	HB_TAG('C','T','G',' ')},*/	/* Chittagonian */
-  {"cth",	HB_TAG('Q','I','N',' ')},	/* Thaiphum Chin -> Chin */
-  {"ctl",	HB_TAG('C','C','H','N')},	/* Tlacoatzintepec Chinantec -> Chinantec */
-  {"cts",	HB_TAG('B','I','K',' ')},	/* Northern Catanduanes Bikol -> Bikol */
-/*{"ctt",	HB_TAG('C','T','T',' ')},*/	/* Wayanad Chetti */
-  {"ctu",	HB_TAG('M','Y','N',' ')},	/* Chol -> Mayan */
-  {"cu",	HB_TAG('C','S','L',' ')},	/* Church Slavonic */
-  {"cuc",	HB_TAG('C','C','H','N')},	/* Usila Chinantec -> Chinantec */
-/*{"cuk",	HB_TAG('C','U','K',' ')},*/	/* San Blas Kuna */
-  {"cv",	HB_TAG('C','H','U',' ')},	/* Chuvash */
-  {"cvn",	HB_TAG('C','C','H','N')},	/* Valle Nacional Chinantec -> Chinantec */
-  {"cwd",	HB_TAG('D','C','R',' ')},	/* Woods Cree */
-  {"cwd",	HB_TAG('T','C','R',' ')},	/* Woods Cree -> TH-Cree */
-  {"cwd",	HB_TAG('C','R','E',' ')},	/* Woods Cree -> Cree */
-  {"cy",	HB_TAG('W','E','L',' ')},	/* Welsh */
-  {"czh",	HB_TAG('Z','H','S',' ')},	/* Huizhou Chinese -> Chinese, Simplified */
-  {"czo",	HB_TAG('Z','H','S',' ')},	/* Min Zhong Chinese -> Chinese, Simplified */
-  {"czt",	HB_TAG('Q','I','N',' ')},	/* Zotung Chin -> Chin */
-  {"da",	HB_TAG('D','A','N',' ')},	/* Danish */
-/*{"dag",	HB_TAG('D','A','G',' ')},*/	/* Dagbani */
-  {"dao",	HB_TAG('Q','I','N',' ')},	/* Daai Chin -> Chin */
-  {"dap",	HB_TAG('N','I','S',' ')},	/* Nisi (India) (retired code) */
-/*{"dar",	HB_TAG('D','A','R',' ')},*/	/* Dargwa */
-/*{"dax",	HB_TAG('D','A','X',' ')},*/	/* Dayi */
-  {"dcr",	HB_TAG('C','P','P',' ')},	/* Negerhollands -> Creoles */
-  {"de",	HB_TAG('D','E','U',' ')},	/* German */
-  {"den",	HB_TAG('S','L','A',' ')},	/* Slave (Athapascan) [macrolanguage] -> Slavey */
-  {"den",	HB_TAG('A','T','H',' ')},	/* Slave (Athapascan) [macrolanguage] -> Athapaskan */
-  {"dep",	HB_TAG('C','P','P',' ')},	/* Pidgin Delaware -> Creoles */
-  {"dgo",	HB_TAG('D','G','O',' ')},	/* Dogri (individual language) */
-  {"dgo",	HB_TAG('D','G','R',' ')},	/* Dogri (macrolanguage) */
-  {"dgr",	HB_TAG('A','T','H',' ')},	/* Dogrib -> Athapaskan */
-  {"dhd",	HB_TAG('M','A','W',' ')},	/* Dhundari -> Marwari */
-/*{"dhg",	HB_TAG('D','H','G',' ')},*/	/* Dhangu */
-  {"dhv",	HB_TAG_NONE	       },	/* Dehu != Divehi (Dhivehi, Maldivian) (deprecated) */
-  {"dib",	HB_TAG('D','N','K',' ')},	/* South Central Dinka -> Dinka */
-  {"dik",	HB_TAG('D','N','K',' ')},	/* Southwestern Dinka -> Dinka */
-  {"din",	HB_TAG('D','N','K',' ')},	/* Dinka [macrolanguage] */
-  {"dip",	HB_TAG('D','N','K',' ')},	/* Northeastern Dinka -> Dinka */
-  {"diq",	HB_TAG('D','I','Q',' ')},	/* Dimli */
-  {"diq",	HB_TAG('Z','Z','A',' ')},	/* Dimli -> Zazaki */
-  {"diw",	HB_TAG('D','N','K',' ')},	/* Northwestern Dinka -> Dinka */
-  {"dje",	HB_TAG('D','J','R',' ')},	/* Zarma */
-  {"djk",	HB_TAG('C','P','P',' ')},	/* Eastern Maroon Creole -> Creoles */
-  {"djr",	HB_TAG('D','J','R','0')},	/* Djambarrpuyngu */
-  {"dks",	HB_TAG('D','N','K',' ')},	/* Southeastern Dinka -> Dinka */
-  {"dng",	HB_TAG('D','U','N',' ')},	/* Dungan */
-/*{"dnj",	HB_TAG('D','N','J',' ')},*/	/* Dan */
-  {"dnk",	HB_TAG_NONE	       },	/* Dengka != Dinka */
-  {"doi",	HB_TAG('D','G','R',' ')},	/* Dogri (macrolanguage) [macrolanguage] */
-  {"drh",	HB_TAG('M','N','G',' ')},	/* Darkhat (retired code) -> Mongolian */
-  {"dri",	HB_TAG_NONE	       },	/* C'Lela != Dari */
-  {"drw",	HB_TAG('D','R','I',' ')},	/* Darwazi (retired code) -> Dari */
-  {"drw",	HB_TAG('F','A','R',' ')},	/* Darwazi (retired code) -> Persian */
-  {"dsb",	HB_TAG('L','S','B',' ')},	/* Lower Sorbian */
-  {"dty",	HB_TAG('N','E','P',' ')},	/* Dotyali -> Nepali */
-/*{"duj",	HB_TAG('D','U','J',' ')},*/	/* Dhuwal (retired code) */
-  {"dun",	HB_TAG_NONE	       },	/* Dusun Deyah != Dungan */
-  {"dup",	HB_TAG('M','L','Y',' ')},	/* Duano -> Malay */
-  {"dv",	HB_TAG('D','I','V',' ')},	/* Divehi (Dhivehi, Maldivian) */
-  {"dv",	HB_TAG('D','H','V',' ')},	/* Divehi (Dhivehi, Maldivian) (deprecated) */
-  {"dwk",	HB_TAG('K','U','I',' ')},	/* Dawik Kui -> Kui */
-  {"dwu",	HB_TAG('D','U','J',' ')},	/* Dhuwal */
-  {"dwy",	HB_TAG('D','U','J',' ')},	/* Dhuwaya -> Dhuwal */
-  {"dyu",	HB_TAG('J','U','L',' ')},	/* Dyula -> Jula */
-  {"dz",	HB_TAG('D','Z','N',' ')},	/* Dzongkha */
-  {"dzn",	HB_TAG_NONE	       },	/* Dzando != Dzongkha */
-  {"ecr",	HB_TAG_NONE	       },	/* Eteocretan != Eastern Cree */
-  {"ee",	HB_TAG('E','W','E',' ')},	/* Ewe */
-/*{"efi",	HB_TAG('E','F','I',' ')},*/	/* Efik */
-  {"ekk",	HB_TAG('E','T','I',' ')},	/* Standard Estonian -> Estonian */
-  {"eky",	HB_TAG('K','R','N',' ')},	/* Eastern Kayah -> Karen */
-  {"el",	HB_TAG('E','L','L',' ')},	/* Modern Greek (1453-) -> Greek */
-  {"emk",	HB_TAG('E','M','K',' ')},	/* Eastern Maninkakan */
-  {"emk",	HB_TAG('M','N','K',' ')},	/* Eastern Maninkakan -> Maninka */
-  {"emy",	HB_TAG('M','Y','N',' ')},	/* Epigraphic Mayan -> Mayan */
-  {"en",	HB_TAG('E','N','G',' ')},	/* English */
-  {"enb",	HB_TAG('K','A','L',' ')},	/* Markweeta -> Kalenjin */
-  {"enf",	HB_TAG('F','N','E',' ')},	/* Forest Enets */
-  {"enh",	HB_TAG('T','N','E',' ')},	/* Tundra Enets */
-  {"eo",	HB_TAG('N','T','O',' ')},	/* Esperanto */
-  {"es",	HB_TAG('E','S','P',' ')},	/* Spanish */
-  {"esg",	HB_TAG('G','O','N',' ')},	/* Aheri Gondi -> Gondi */
-  {"esi",	HB_TAG('I','P','K',' ')},	/* North Alaskan Inupiatun -> Inupiat */
-  {"esk",	HB_TAG('I','P','K',' ')},	/* Northwest Alaska Inupiatun -> Inupiat */
-/*{"esu",	HB_TAG('E','S','U',' ')},*/	/* Central Yupik */
-  {"et",	HB_TAG('E','T','I',' ')},	/* Estonian [macrolanguage] */
-  {"eto",	HB_TAG('B','T','I',' ')},	/* Eton (Cameroon) -> Beti */
-  {"eu",	HB_TAG('E','U','Q',' ')},	/* Basque */
-  {"euq",	HB_TAG_NONE	       },	/* Basque [collection] != Basque */
-  {"eve",	HB_TAG('E','V','N',' ')},	/* Even */
-  {"evn",	HB_TAG('E','V','K',' ')},	/* Evenki */
-  {"ewo",	HB_TAG('B','T','I',' ')},	/* Ewondo -> Beti */
-  {"eyo",	HB_TAG('K','A','L',' ')},	/* Keiyo -> Kalenjin */
-  {"fa",	HB_TAG('F','A','R',' ')},	/* Persian [macrolanguage] */
-  {"fab",	HB_TAG('C','P','P',' ')},	/* Fa d'Ambu -> Creoles */
-  {"fan",	HB_TAG('F','A','N','0')},	/* Fang (Equatorial Guinea) */
-  {"fan",	HB_TAG('B','T','I',' ')},	/* Fang (Equatorial Guinea) -> Beti */
-  {"far",	HB_TAG_NONE	       },	/* Fataleka != Persian */
-  {"fat",	HB_TAG('F','A','T',' ')},	/* Fanti */
-  {"fat",	HB_TAG('A','K','A',' ')},	/* Fanti -> Akan */
-  {"fbl",	HB_TAG('B','I','K',' ')},	/* West Albay Bikol -> Bikol */
-  {"ff",	HB_TAG('F','U','L',' ')},	/* Fulah [macrolanguage] */
-  {"ffm",	HB_TAG('F','U','L',' ')},	/* Maasina Fulfulde -> Fulah */
-  {"fi",	HB_TAG('F','I','N',' ')},	/* Finnish */
-  {"fil",	HB_TAG('P','I','L',' ')},	/* Filipino */
-  {"fj",	HB_TAG('F','J','I',' ')},	/* Fijian */
-  {"flm",	HB_TAG('H','A','L',' ')},	/* Halam (Falam Chin) (retired code) */
-  {"flm",	HB_TAG('Q','I','N',' ')},	/* Falam Chin (retired code) -> Chin */
-  {"fmp",	HB_TAG('F','M','P',' ')},	/* Fe’fe’ */
-  {"fmp",	HB_TAG('B','M','L',' ')},	/* Fe'fe' -> Bamileke */
-  {"fng",	HB_TAG('C','P','P',' ')},	/* Fanagalo -> Creoles */
-  {"fo",	HB_TAG('F','O','S',' ')},	/* Faroese */
-/*{"fon",	HB_TAG('F','O','N',' ')},*/	/* Fon */
-  {"fos",	HB_TAG_NONE	       },	/* Siraya != Faroese */
-  {"fpe",	HB_TAG('C','P','P',' ')},	/* Fernando Po Creole English -> Creoles */
-  {"fr",	HB_TAG('F','R','A',' ')},	/* French */
-/*{"frc",	HB_TAG('F','R','C',' ')},*/	/* Cajun French */
-/*{"frp",	HB_TAG('F','R','P',' ')},*/	/* Arpitan */
-  {"fub",	HB_TAG('F','U','L',' ')},	/* Adamawa Fulfulde -> Fulah */
-  {"fuc",	HB_TAG('F','U','L',' ')},	/* Pulaar -> Fulah */
-  {"fue",	HB_TAG('F','U','L',' ')},	/* Borgu Fulfulde -> Fulah */
-  {"fuf",	HB_TAG('F','T','A',' ')},	/* Pular -> Futa */
-  {"fuf",	HB_TAG('F','U','L',' ')},	/* Pular -> Fulah */
-  {"fuh",	HB_TAG('F','U','L',' ')},	/* Western Niger Fulfulde -> Fulah */
-  {"fui",	HB_TAG('F','U','L',' ')},	/* Bagirmi Fulfulde -> Fulah */
-  {"fuq",	HB_TAG('F','U','L',' ')},	/* Central-Eastern Niger Fulfulde -> Fulah */
-  {"fur",	HB_TAG('F','R','L',' ')},	/* Friulian */
-  {"fuv",	HB_TAG('F','U','V',' ')},	/* Nigerian Fulfulde */
-  {"fuv",	HB_TAG('F','U','L',' ')},	/* Nigerian Fulfulde -> Fulah */
-  {"fy",	HB_TAG('F','R','I',' ')},	/* Western Frisian -> Frisian */
-  {"ga",	HB_TAG('I','R','I',' ')},	/* Irish */
-  {"gaa",	HB_TAG('G','A','D',' ')},	/* Ga */
-  {"gac",	HB_TAG('C','P','P',' ')},	/* Mixed Great Andamanese -> Creoles */
-  {"gad",	HB_TAG_NONE	       },	/* Gaddang != Ga */
-  {"gae",	HB_TAG_NONE	       },	/* Guarequena != Scottish Gaelic (Gaelic) */
-/*{"gag",	HB_TAG('G','A','G',' ')},*/	/* Gagauz */
-  {"gal",	HB_TAG_NONE	       },	/* Galolen != Galician */
-  {"gan",	HB_TAG('Z','H','S',' ')},	/* Gan Chinese -> Chinese, Simplified */
-  {"gar",	HB_TAG_NONE	       },	/* Galeya != Garshuni */
-  {"gaw",	HB_TAG_NONE	       },	/* Nobonob != Garhwali */
-  {"gax",	HB_TAG('O','R','O',' ')},	/* Borana-Arsi-Guji Oromo -> Oromo */
-  {"gaz",	HB_TAG('O','R','O',' ')},	/* West Central Oromo -> Oromo */
-  {"gbm",	HB_TAG('G','A','W',' ')},	/* Garhwali */
-  {"gce",	HB_TAG('A','T','H',' ')},	/* Galice -> Athapaskan */
-  {"gcf",	HB_TAG('C','P','P',' ')},	/* Guadeloupean Creole French -> Creoles */
-  {"gcl",	HB_TAG('C','P','P',' ')},	/* Grenadian Creole English -> Creoles */
-  {"gcr",	HB_TAG('C','P','P',' ')},	/* Guianese Creole French -> Creoles */
-  {"gd",	HB_TAG('G','A','E',' ')},	/* Scottish Gaelic (Gaelic) */
-  {"gda",	HB_TAG('R','A','J',' ')},	/* Gade Lohar -> Rajasthani */
-/*{"gez",	HB_TAG('G','E','Z',' ')},*/	/* Geez */
-  {"ggo",	HB_TAG('G','O','N',' ')},	/* Southern Gondi (retired code) -> Gondi */
-  {"gha",	HB_TAG('B','B','R',' ')},	/* Ghadamès -> Berber */
-  {"ghk",	HB_TAG('K','R','N',' ')},	/* Geko Karen -> Karen */
-  {"gho",	HB_TAG('B','B','R',' ')},	/* Ghomara -> Berber */
-  {"gib",	HB_TAG('C','P','P',' ')},	/* Gibanawa -> Creoles */
-/*{"gih",	HB_TAG('G','I','H',' ')},*/	/* Githabul */
-  {"gil",	HB_TAG('G','I','L','0')},	/* Kiribati (Gilbertese) */
-  {"gju",	HB_TAG('R','A','J',' ')},	/* Gujari -> Rajasthani */
-  {"gkp",	HB_TAG('G','K','P',' ')},	/* Guinea Kpelle -> Kpelle (Guinea) */
-  {"gkp",	HB_TAG('K','P','L',' ')},	/* Guinea Kpelle -> Kpelle */
-  {"gl",	HB_TAG('G','A','L',' ')},	/* Galician */
-  {"gld",	HB_TAG('N','A','N',' ')},	/* Nanai */
-/*{"glk",	HB_TAG('G','L','K',' ')},*/	/* Gilaki */
-  {"gmz",	HB_TAG_NONE	       },	/* Mgbolizhia != Gumuz */
-  {"gn",	HB_TAG('G','U','A',' ')},	/* Guarani [macrolanguage] */
-  {"gnb",	HB_TAG('Q','I','N',' ')},	/* Gangte -> Chin */
-/*{"gnn",	HB_TAG('G','N','N',' ')},*/	/* Gumatj */
-  {"gno",	HB_TAG('G','O','N',' ')},	/* Northern Gondi -> Gondi */
-  {"gnw",	HB_TAG('G','U','A',' ')},	/* Western Bolivian Guaraní -> Guarani */
-/*{"gog",	HB_TAG('G','O','G',' ')},*/	/* Gogo */
-  {"gom",	HB_TAG('K','O','K',' ')},	/* Goan Konkani -> Konkani */
-/*{"gon",	HB_TAG('G','O','N',' ')},*/	/* Gondi [macrolanguage] */
-  {"goq",	HB_TAG('C','P','P',' ')},	/* Gorap -> Creoles */
-  {"gox",	HB_TAG('B','A','D','0')},	/* Gobu -> Banda */
-  {"gpe",	HB_TAG('C','P','P',' ')},	/* Ghanaian Pidgin English -> Creoles */
-  {"gro",	HB_TAG_NONE	       },	/* Groma != Garo */
-  {"grr",	HB_TAG('B','B','R',' ')},	/* Taznatit -> Berber */
-  {"grt",	HB_TAG('G','R','O',' ')},	/* Garo */
-  {"gru",	HB_TAG('S','O','G',' ')},	/* Kistane -> Sodo Gurage */
-  {"gsw",	HB_TAG('A','L','S',' ')},	/* Alsatian */
-  {"gu",	HB_TAG('G','U','J',' ')},	/* Gujarati */
-  {"gua",	HB_TAG_NONE	       },	/* Shiki != Guarani */
-/*{"guc",	HB_TAG('G','U','C',' ')},*/	/* Wayuu */
-/*{"guf",	HB_TAG('G','U','F',' ')},*/	/* Gupapuyngu */
-  {"gug",	HB_TAG('G','U','A',' ')},	/* Paraguayan Guaraní -> Guarani */
-  {"gui",	HB_TAG('G','U','A',' ')},	/* Eastern Bolivian Guaraní -> Guarani */
-  {"guk",	HB_TAG('G','M','Z',' ')},	/* Gumuz */
-  {"gul",	HB_TAG('C','P','P',' ')},	/* Sea Island Creole English -> Creoles */
-  {"gun",	HB_TAG('G','U','A',' ')},	/* Mbyá Guaraní -> Guarani */
-/*{"guz",	HB_TAG('G','U','Z',' ')},*/	/* Gusii */
-  {"gv",	HB_TAG('M','N','X',' ')},	/* Manx */
-  {"gwi",	HB_TAG('A','T','H',' ')},	/* Gwichʼin -> Athapaskan */
-  {"gyn",	HB_TAG('C','P','P',' ')},	/* Guyanese Creole English -> Creoles */
-  {"ha",	HB_TAG('H','A','U',' ')},	/* Hausa */
-  {"haa",	HB_TAG('A','T','H',' ')},	/* Han -> Athapaskan */
-  {"hae",	HB_TAG('O','R','O',' ')},	/* Eastern Oromo -> Oromo */
-  {"hai",	HB_TAG('H','A','I','0')},	/* Haida [macrolanguage] */
-  {"hak",	HB_TAG('Z','H','S',' ')},	/* Hakka Chinese -> Chinese, Simplified */
-  {"hal",	HB_TAG_NONE	       },	/* Halang != Halam (Falam Chin) */
-  {"har",	HB_TAG('H','R','I',' ')},	/* Harari */
-/*{"haw",	HB_TAG('H','A','W',' ')},*/	/* Hawaiian */
-  {"hax",	HB_TAG('H','A','I','0')},	/* Southern Haida -> Haida */
-/*{"hay",	HB_TAG('H','A','Y',' ')},*/	/* Haya */
-/*{"haz",	HB_TAG('H','A','Z',' ')},*/	/* Hazaragi */
-  {"hbn",	HB_TAG_NONE	       },	/* Heiban != Hammer-Banna */
-  {"hca",	HB_TAG('C','P','P',' ')},	/* Andaman Creole Hindi -> Creoles */
-  {"hdn",	HB_TAG('H','A','I','0')},	/* Northern Haida -> Haida */
-  {"he",	HB_TAG('I','W','R',' ')},	/* Hebrew */
-  {"hea",	HB_TAG('H','M','N',' ')},	/* Northern Qiandong Miao -> Hmong */
-/*{"hei",	HB_TAG('H','E','I',' ')},*/	/* Heiltsuk */
-  {"hi",	HB_TAG('H','I','N',' ')},	/* Hindi */
-/*{"hil",	HB_TAG('H','I','L',' ')},*/	/* Hiligaynon */
-  {"hji",	HB_TAG('M','L','Y',' ')},	/* Haji -> Malay */
-  {"hlt",	HB_TAG('Q','I','N',' ')},	/* Matu Chin -> Chin */
-  {"hma",	HB_TAG('H','M','N',' ')},	/* Southern Mashan Hmong -> Hmong */
-  {"hmc",	HB_TAG('H','M','N',' ')},	/* Central Huishui Hmong -> Hmong */
-  {"hmd",	HB_TAG('H','M','D',' ')},	/* Large Flowery Miao -> A-Hmao */
-  {"hmd",	HB_TAG('H','M','N',' ')},	/* Large Flowery Miao -> Hmong */
-  {"hme",	HB_TAG('H','M','N',' ')},	/* Eastern Huishui Hmong -> Hmong */
-  {"hmg",	HB_TAG('H','M','N',' ')},	/* Southwestern Guiyang Hmong -> Hmong */
-  {"hmh",	HB_TAG('H','M','N',' ')},	/* Southwestern Huishui Hmong -> Hmong */
-  {"hmi",	HB_TAG('H','M','N',' ')},	/* Northern Huishui Hmong -> Hmong */
-  {"hmj",	HB_TAG('H','M','N',' ')},	/* Ge -> Hmong */
-  {"hml",	HB_TAG('H','M','N',' ')},	/* Luopohe Hmong -> Hmong */
-  {"hmm",	HB_TAG('H','M','N',' ')},	/* Central Mashan Hmong -> Hmong */
-/*{"hmn",	HB_TAG('H','M','N',' ')},*/	/* Hmong [macrolanguage] */
-  {"hmp",	HB_TAG('H','M','N',' ')},	/* Northern Mashan Hmong -> Hmong */
-  {"hmq",	HB_TAG('H','M','N',' ')},	/* Eastern Qiandong Miao -> Hmong */
-  {"hmr",	HB_TAG('Q','I','N',' ')},	/* Hmar -> Chin */
-  {"hms",	HB_TAG('H','M','N',' ')},	/* Southern Qiandong Miao -> Hmong */
-  {"hmw",	HB_TAG('H','M','N',' ')},	/* Western Mashan Hmong -> Hmong */
-  {"hmy",	HB_TAG('H','M','N',' ')},	/* Southern Guiyang Hmong -> Hmong */
-  {"hmz",	HB_TAG('H','M','Z',' ')},	/* Hmong Shua -> Hmong Shuat */
-  {"hmz",	HB_TAG('H','M','N',' ')},	/* Hmong Shua -> Hmong */
-/*{"hnd",	HB_TAG('H','N','D',' ')},*/	/* Southern Hindko -> Hindko */
-  {"hne",	HB_TAG('C','H','H',' ')},	/* Chhattisgarhi -> Chattisgarhi */
-  {"hnj",	HB_TAG('H','M','N',' ')},	/* Hmong Njua -> Hmong */
-  {"hno",	HB_TAG('H','N','D',' ')},	/* Northern Hindko -> Hindko */
-  {"ho",	HB_TAG('H','M','O',' ')},	/* Hiri Motu */
-  {"ho",	HB_TAG('C','P','P',' ')},	/* Hiri Motu -> Creoles */
-  {"hoc",	HB_TAG('H','O',' ',' ')},	/* Ho */
-  {"hoi",	HB_TAG('A','T','H',' ')},	/* Holikachuk -> Athapaskan */
-  {"hoj",	HB_TAG('H','A','R',' ')},	/* Hadothi -> Harauti */
-  {"hoj",	HB_TAG('R','A','J',' ')},	/* Hadothi -> Rajasthani */
-  {"hr",	HB_TAG('H','R','V',' ')},	/* Croatian */
-  {"hra",	HB_TAG('Q','I','N',' ')},	/* Hrangkhol -> Chin */
-  {"hrm",	HB_TAG('H','M','N',' ')},	/* Horned Miao -> Hmong */
-  {"hsb",	HB_TAG('U','S','B',' ')},	/* Upper Sorbian */
-  {"hsn",	HB_TAG('Z','H','S',' ')},	/* Xiang Chinese -> Chinese, Simplified */
-  {"ht",	HB_TAG('H','A','I',' ')},	/* Haitian (Haitian Creole) */
-  {"ht",	HB_TAG('C','P','P',' ')},	/* Haitian -> Creoles */
-  {"hu",	HB_TAG('H','U','N',' ')},	/* Hungarian */
-  {"huj",	HB_TAG('H','M','N',' ')},	/* Northern Guiyang Hmong -> Hmong */
-  {"hup",	HB_TAG('A','T','H',' ')},	/* Hupa -> Athapaskan */
-  {"hus",	HB_TAG('M','Y','N',' ')},	/* Huastec -> Mayan */
-  {"hwc",	HB_TAG('C','P','P',' ')},	/* Hawai'i Creole English -> Creoles */
-  {"hy",	HB_TAG('H','Y','E','0')},	/* Armenian -> Armenian East */
-  {"hy",	HB_TAG('H','Y','E',' ')},	/* Armenian */
-  {"hyw",	HB_TAG('H','Y','E',' ')},	/* Western Armenian -> Armenian */
-  {"hz",	HB_TAG('H','E','R',' ')},	/* Herero */
-  {"ia",	HB_TAG('I','N','A',' ')},	/* Interlingua (International Auxiliary Language Association) */
-/*{"iba",	HB_TAG('I','B','A',' ')},*/	/* Iban */
-/*{"ibb",	HB_TAG('I','B','B',' ')},*/	/* Ibibio */
-  {"iby",	HB_TAG('I','J','O',' ')},	/* Ibani -> Ijo */
-  {"icr",	HB_TAG('C','P','P',' ')},	/* Islander Creole English -> Creoles */
-  {"id",	HB_TAG('I','N','D',' ')},	/* Indonesian */
-  {"id",	HB_TAG('M','L','Y',' ')},	/* Indonesian -> Malay */
-  {"ida",	HB_TAG('L','U','H',' ')},	/* Idakho-Isukha-Tiriki -> Luyia */
-  {"idb",	HB_TAG('C','P','P',' ')},	/* Indo-Portuguese -> Creoles */
-  {"ie",	HB_TAG('I','L','E',' ')},	/* Interlingue */
-  {"ig",	HB_TAG('I','B','O',' ')},	/* Igbo */
-  {"igb",	HB_TAG('E','B','I',' ')},	/* Ebira */
-  {"ihb",	HB_TAG('C','P','P',' ')},	/* Iha Based Pidgin -> Creoles */
-  {"ii",	HB_TAG('Y','I','M',' ')},	/* Sichuan Yi -> Yi Modern */
-  {"ijc",	HB_TAG('I','J','O',' ')},	/* Izon -> Ijo */
-  {"ije",	HB_TAG('I','J','O',' ')},	/* Biseni -> Ijo */
-  {"ijn",	HB_TAG('I','J','O',' ')},	/* Kalabari -> Ijo */
-/*{"ijo",	HB_TAG('I','J','O',' ')},*/	/* Ijo [collection] */
-  {"ijs",	HB_TAG('I','J','O',' ')},	/* Southeast Ijo -> Ijo */
-  {"ik",	HB_TAG('I','P','K',' ')},	/* Inupiaq [macrolanguage] -> Inupiat */
-  {"ike",	HB_TAG('I','N','U',' ')},	/* Eastern Canadian Inuktitut -> Inuktitut */
-  {"ike",	HB_TAG('I','N','U','K')},	/* Eastern Canadian Inuktitut -> Nunavik Inuktitut */
-  {"ikt",	HB_TAG('I','N','U',' ')},	/* Inuinnaqtun -> Inuktitut */
-/*{"ilo",	HB_TAG('I','L','O',' ')},*/	/* Iloko -> Ilokano */
-  {"in",	HB_TAG('I','N','D',' ')},	/* Indonesian (retired code) */
-  {"in",	HB_TAG('M','L','Y',' ')},	/* Indonesian (retired code) -> Malay */
-  {"ing",	HB_TAG('A','T','H',' ')},	/* Degexit'an -> Athapaskan */
-  {"inh",	HB_TAG('I','N','G',' ')},	/* Ingush */
-  {"io",	HB_TAG('I','D','O',' ')},	/* Ido */
-  {"iri",	HB_TAG_NONE	       },	/* Rigwe != Irish */
-/*{"iru",	HB_TAG('I','R','U',' ')},*/	/* Irula */
-  {"is",	HB_TAG('I','S','L',' ')},	/* Icelandic */
-  {"ism",	HB_TAG_NONE	       },	/* Masimasi != Inari Sami */
-  {"it",	HB_TAG('I','T','A',' ')},	/* Italian */
-  {"itz",	HB_TAG('M','Y','N',' ')},	/* Itzá -> Mayan */
-  {"iu",	HB_TAG('I','N','U',' ')},	/* Inuktitut [macrolanguage] */
-  {"iu",	HB_TAG('I','N','U','K')},	/* Inuktitut [macrolanguage] -> Nunavik Inuktitut */
-  {"iw",	HB_TAG('I','W','R',' ')},	/* Hebrew (retired code) */
-  {"ixl",	HB_TAG('M','Y','N',' ')},	/* Ixil -> Mayan */
-  {"ja",	HB_TAG('J','A','N',' ')},	/* Japanese */
-  {"jac",	HB_TAG('M','Y','N',' ')},	/* Popti' -> Mayan */
-  {"jak",	HB_TAG('M','L','Y',' ')},	/* Jakun -> Malay */
-  {"jam",	HB_TAG('J','A','M',' ')},	/* Jamaican Creole English -> Jamaican Creole */
-  {"jam",	HB_TAG('C','P','P',' ')},	/* Jamaican Creole English -> Creoles */
-  {"jan",	HB_TAG_NONE	       },	/* Jandai != Japanese */
-  {"jax",	HB_TAG('M','L','Y',' ')},	/* Jambi Malay -> Malay */
-  {"jbe",	HB_TAG('B','B','R',' ')},	/* Judeo-Berber -> Berber */
-  {"jbn",	HB_TAG('B','B','R',' ')},	/* Nafusi -> Berber */
-/*{"jbo",	HB_TAG('J','B','O',' ')},*/	/* Lojban */
-/*{"jct",	HB_TAG('J','C','T',' ')},*/	/* Krymchak */
-  {"jgo",	HB_TAG('B','M','L',' ')},	/* Ngomba -> Bamileke */
-  {"ji",	HB_TAG('J','I','I',' ')},	/* Yiddish (retired code) */
-  {"jii",	HB_TAG_NONE	       },	/* Jiiddu != Yiddish */
-  {"jkm",	HB_TAG('K','R','N',' ')},	/* Mobwa Karen -> Karen */
-  {"jkp",	HB_TAG('K','R','N',' ')},	/* Paku Karen -> Karen */
-  {"jud",	HB_TAG_NONE	       },	/* Worodougou != Ladino */
-  {"jul",	HB_TAG_NONE	       },	/* Jirel != Jula */
-  {"jv",	HB_TAG('J','A','V',' ')},	/* Javanese */
-  {"jvd",	HB_TAG('C','P','P',' ')},	/* Javindo -> Creoles */
-  {"jw",	HB_TAG('J','A','V',' ')},	/* Javanese (retired code) */
-  {"ka",	HB_TAG('K','A','T',' ')},	/* Georgian */
-  {"kaa",	HB_TAG('K','R','K',' ')},	/* Karakalpak */
-  {"kab",	HB_TAG('K','A','B','0')},	/* Kabyle */
-  {"kab",	HB_TAG('B','B','R',' ')},	/* Kabyle -> Berber */
-  {"kac",	HB_TAG_NONE	       },	/* Kachin != Kachchi */
-  {"kam",	HB_TAG('K','M','B',' ')},	/* Kamba (Kenya) */
-  {"kar",	HB_TAG('K','R','N',' ')},	/* Karen [collection] */
-/*{"kaw",	HB_TAG('K','A','W',' ')},*/	/* Kawi (Old Javanese) */
-  {"kbd",	HB_TAG('K','A','B',' ')},	/* Kabardian */
-  {"kby",	HB_TAG('K','N','R',' ')},	/* Manga Kanuri -> Kanuri */
-  {"kca",	HB_TAG('K','H','K',' ')},	/* Khanty -> Khanty-Kazim */
-  {"kca",	HB_TAG('K','H','S',' ')},	/* Khanty -> Khanty-Shurishkar */
-  {"kca",	HB_TAG('K','H','V',' ')},	/* Khanty -> Khanty-Vakhi */
-  {"kcn",	HB_TAG('C','P','P',' ')},	/* Nubi -> Creoles */
-/*{"kde",	HB_TAG('K','D','E',' ')},*/	/* Makonde */
-  {"kdr",	HB_TAG('K','R','M',' ')},	/* Karaim */
-  {"kdt",	HB_TAG('K','U','Y',' ')},	/* Kuy */
-  {"kea",	HB_TAG('K','E','A',' ')},	/* Kabuverdianu (Crioulo) */
-  {"kea",	HB_TAG('C','P','P',' ')},	/* Kabuverdianu -> Creoles */
-  {"keb",	HB_TAG_NONE	       },	/* Kélé != Kebena */
-  {"kek",	HB_TAG('K','E','K',' ')},	/* Kekchi */
-  {"kek",	HB_TAG('M','Y','N',' ')},	/* Kekchí -> Mayan */
-  {"kex",	HB_TAG('K','K','N',' ')},	/* Kukna -> Kokni */
-  {"kfa",	HB_TAG('K','O','D',' ')},	/* Kodava -> Kodagu */
-  {"kfr",	HB_TAG('K','A','C',' ')},	/* Kachhi -> Kachchi */
-  {"kfx",	HB_TAG('K','U','L',' ')},	/* Kullu Pahari -> Kulvi */
-  {"kfy",	HB_TAG('K','M','N',' ')},	/* Kumaoni */
-  {"kg",	HB_TAG('K','O','N','0')},	/* Kongo [macrolanguage] */
-  {"kge",	HB_TAG_NONE	       },	/* Komering != Khutsuri Georgian */
-  {"kha",	HB_TAG('K','S','I',' ')},	/* Khasi */
-  {"khb",	HB_TAG('X','B','D',' ')},	/* Lü */
-  {"khk",	HB_TAG('M','N','G',' ')},	/* Halh Mongolian -> Mongolian */
-  {"khn",	HB_TAG_NONE	       },	/* Khandesi != Khamti Shan (Microsoft fonts) */
-  {"khs",	HB_TAG_NONE	       },	/* Kasua != Khanty-Shurishkar */
-  {"kht",	HB_TAG('K','H','T',' ')},	/* Khamti -> Khamti Shan */
-  {"kht",	HB_TAG('K','H','N',' ')},	/* Khamti -> Khamti Shan (Microsoft fonts) */
-  {"khv",	HB_TAG_NONE	       },	/* Khvarshi != Khanty-Vakhi */
-/*{"khw",	HB_TAG('K','H','W',' ')},*/	/* Khowar */
-  {"ki",	HB_TAG('K','I','K',' ')},	/* Kikuyu (Gikuyu) */
-  {"kis",	HB_TAG_NONE	       },	/* Kis != Kisii */
-  {"kiu",	HB_TAG('K','I','U',' ')},	/* Kirmanjki */
-  {"kiu",	HB_TAG('Z','Z','A',' ')},	/* Kirmanjki -> Zazaki */
-  {"kj",	HB_TAG('K','U','A',' ')},	/* Kuanyama */
-  {"kjb",	HB_TAG('M','Y','N',' ')},	/* Q'anjob'al -> Mayan */
-/*{"kjd",	HB_TAG('K','J','D',' ')},*/	/* Southern Kiwai */
-  {"kjh",	HB_TAG('K','H','A',' ')},	/* Khakas -> Khakass */
-  {"kjp",	HB_TAG('K','J','P',' ')},	/* Pwo Eastern Karen -> Eastern Pwo Karen */
-  {"kjp",	HB_TAG('K','R','N',' ')},	/* Pwo Eastern Karen -> Karen */
-  {"kjt",	HB_TAG('K','R','N',' ')},	/* Phrae Pwo Karen -> Karen */
-/*{"kjz",	HB_TAG('K','J','Z',' ')},*/	/* Bumthangkha */
-  {"kk",	HB_TAG('K','A','Z',' ')},	/* Kazakh */
-  {"kkn",	HB_TAG_NONE	       },	/* Kon Keu != Kokni */
-  {"kkz",	HB_TAG('A','T','H',' ')},	/* Kaska -> Athapaskan */
-  {"kl",	HB_TAG('G','R','N',' ')},	/* Greenlandic */
-  {"klm",	HB_TAG_NONE	       },	/* Migum != Kalmyk */
-  {"kln",	HB_TAG('K','A','L',' ')},	/* Kalenjin [macrolanguage] */
-  {"km",	HB_TAG('K','H','M',' ')},	/* Khmer */
-  {"kmb",	HB_TAG('M','B','N',' ')},	/* Kimbundu -> Mbundu */
-  {"kmn",	HB_TAG_NONE	       },	/* Awtuw != Kumaoni */
-  {"kmo",	HB_TAG_NONE	       },	/* Kwoma != Komo */
-  {"kmr",	HB_TAG('K','U','R',' ')},	/* Northern Kurdish -> Kurdish */
-  {"kms",	HB_TAG_NONE	       },	/* Kamasau != Komso */
-  {"kmv",	HB_TAG('C','P','P',' ')},	/* Karipúna Creole French -> Creoles */
-  {"kmw",	HB_TAG('K','M','O',' ')},	/* Komo (Democratic Republic of Congo) */
-/*{"kmz",	HB_TAG('K','M','Z',' ')},*/	/* Khorasani Turkish -> Khorasani Turkic */
-  {"kn",	HB_TAG('K','A','N',' ')},	/* Kannada */
-  {"knc",	HB_TAG('K','N','R',' ')},	/* Central Kanuri -> Kanuri */
-  {"kng",	HB_TAG('K','O','N','0')},	/* Koongo -> Kongo */
-  {"knj",	HB_TAG('M','Y','N',' ')},	/* Western Kanjobal -> Mayan */
-  {"knn",	HB_TAG('K','O','K',' ')},	/* Konkani */
-  {"knr",	HB_TAG_NONE	       },	/* Kaningra != Kanuri */
-  {"ko",	HB_TAG('K','O','R',' ')},	/* Korean */
-  {"ko",	HB_TAG('K','O','H',' ')},	/* Korean -> Korean Old Hangul */
-  {"kod",	HB_TAG_NONE	       },	/* Kodi != Kodagu */
-  {"koh",	HB_TAG_NONE	       },	/* Koyo != Korean Old Hangul */
-  {"koi",	HB_TAG('K','O','P',' ')},	/* Komi-Permyak */
-  {"koi",	HB_TAG('K','O','M',' ')},	/* Komi-Permyak -> Komi */
-/*{"kok",	HB_TAG('K','O','K',' ')},*/	/* Konkani [macrolanguage] */
-  {"kop",	HB_TAG_NONE	       },	/* Waube != Komi-Permyak */
-/*{"kos",	HB_TAG('K','O','S',' ')},*/	/* Kosraean */
-  {"koy",	HB_TAG('A','T','H',' ')},	/* Koyukon -> Athapaskan */
-  {"koz",	HB_TAG_NONE	       },	/* Korak != Komi-Zyrian */
-  {"kpe",	HB_TAG('K','P','L',' ')},	/* Kpelle [macrolanguage] */
-  {"kpl",	HB_TAG_NONE	       },	/* Kpala != Kpelle */
-  {"kpp",	HB_TAG('K','R','N',' ')},	/* Paku Karen (retired code) -> Karen */
-  {"kpv",	HB_TAG('K','O','Z',' ')},	/* Komi-Zyrian */
-  {"kpv",	HB_TAG('K','O','M',' ')},	/* Komi-Zyrian -> Komi */
-  {"kpy",	HB_TAG('K','Y','K',' ')},	/* Koryak */
-  {"kqs",	HB_TAG('K','I','S',' ')},	/* Northern Kissi -> Kisii */
-  {"kqy",	HB_TAG('K','R','T',' ')},	/* Koorete */
-  {"kr",	HB_TAG('K','N','R',' ')},	/* Kanuri [macrolanguage] */
-  {"krc",	HB_TAG('K','A','R',' ')},	/* Karachay-Balkar -> Karachay */
-  {"krc",	HB_TAG('B','A','L',' ')},	/* Karachay-Balkar -> Balkar */
-  {"kri",	HB_TAG('K','R','I',' ')},	/* Krio */
-  {"kri",	HB_TAG('C','P','P',' ')},	/* Krio -> Creoles */
-  {"krk",	HB_TAG_NONE	       },	/* Kerek != Karakalpak */
-/*{"krl",	HB_TAG('K','R','L',' ')},*/	/* Karelian */
-  {"krm",	HB_TAG_NONE	       },	/* Krim (retired code) != Karaim */
-  {"krn",	HB_TAG_NONE	       },	/* Sapo != Karen */
-  {"krt",	HB_TAG('K','N','R',' ')},	/* Tumari Kanuri -> Kanuri */
-  {"kru",	HB_TAG('K','U','U',' ')},	/* Kurukh */
-  {"ks",	HB_TAG('K','S','H',' ')},	/* Kashmiri */
-  {"ksh",	HB_TAG('K','S','H','0')},	/* Kölsch -> Ripuarian */
-  {"ksi",	HB_TAG_NONE	       },	/* Krisa != Khasi */
-  {"ksm",	HB_TAG_NONE	       },	/* Kumba != Kildin Sami */
-  {"kss",	HB_TAG('K','I','S',' ')},	/* Southern Kisi -> Kisii */
-  {"ksw",	HB_TAG('K','S','W',' ')},	/* S’gaw Karen */
-  {"ksw",	HB_TAG('K','R','N',' ')},	/* S'gaw Karen -> Karen */
-  {"ktb",	HB_TAG('K','E','B',' ')},	/* Kambaata -> Kebena */
-  {"ktu",	HB_TAG('K','O','N',' ')},	/* Kituba (Democratic Republic of Congo) -> Kikongo */
-  {"ktw",	HB_TAG('A','T','H',' ')},	/* Kato -> Athapaskan */
-  {"ku",	HB_TAG('K','U','R',' ')},	/* Kurdish [macrolanguage] */
-  {"kui",	HB_TAG_NONE	       },	/* Kuikúro-Kalapálo != Kui */
-  {"kul",	HB_TAG_NONE	       },	/* Kulere != Kulvi */
-/*{"kum",	HB_TAG('K','U','M',' ')},*/	/* Kumyk */
-  {"kuu",	HB_TAG('A','T','H',' ')},	/* Upper Kuskokwim -> Athapaskan */
-  {"kuw",	HB_TAG('B','A','D','0')},	/* Kpagua -> Banda */
-  {"kuy",	HB_TAG_NONE	       },	/* Kuuku-Ya'u != Kuy */
-  {"kv",	HB_TAG('K','O','M',' ')},	/* Komi [macrolanguage] */
-  {"kvb",	HB_TAG('M','L','Y',' ')},	/* Kubu -> Malay */
-  {"kvl",	HB_TAG('K','R','N',' ')},	/* Kayaw -> Karen */
-  {"kvq",	HB_TAG('K','R','N',' ')},	/* Geba Karen -> Karen */
-  {"kvr",	HB_TAG('M','L','Y',' ')},	/* Kerinci -> Malay */
-  {"kvt",	HB_TAG('K','R','N',' ')},	/* Lahta Karen -> Karen */
-  {"kvu",	HB_TAG('K','R','N',' ')},	/* Yinbaw Karen -> Karen */
-  {"kvy",	HB_TAG('K','R','N',' ')},	/* Yintale Karen -> Karen */
-  {"kw",	HB_TAG('C','O','R',' ')},	/* Cornish */
-/*{"kwk",	HB_TAG('K','W','K',' ')},*/	/* Kwakiutl -> Kwakʼwala */
-  {"kww",	HB_TAG('C','P','P',' ')},	/* Kwinti -> Creoles */
-  {"kwy",	HB_TAG('K','O','N','0')},	/* San Salvador Kongo -> Kongo */
-  {"kxc",	HB_TAG('K','M','S',' ')},	/* Konso -> Komso */
-  {"kxd",	HB_TAG('M','L','Y',' ')},	/* Brunei -> Malay */
-  {"kxf",	HB_TAG('K','R','N',' ')},	/* Manumanaw Karen -> Karen */
-  {"kxk",	HB_TAG('K','R','N',' ')},	/* Zayein Karen -> Karen */
-  {"kxl",	HB_TAG('K','U','U',' ')},	/* Nepali Kurux (retired code) -> Kurukh */
-  {"kxu",	HB_TAG('K','U','I',' ')},	/* Kui (India) (retired code) */
-  {"ky",	HB_TAG('K','I','R',' ')},	/* Kirghiz (Kyrgyz) */
-  {"kyk",	HB_TAG_NONE	       },	/* Kamayo != Koryak */
-  {"kyu",	HB_TAG('K','Y','U',' ')},	/* Western Kayah */
-  {"kyu",	HB_TAG('K','R','N',' ')},	/* Western Kayah -> Karen */
-  {"la",	HB_TAG('L','A','T',' ')},	/* Latin */
-  {"lac",	HB_TAG('M','Y','N',' ')},	/* Lacandon -> Mayan */
-  {"lad",	HB_TAG('J','U','D',' ')},	/* Ladino */
-  {"lah",	HB_TAG_NONE	       },	/* Lahnda [macrolanguage] != Lahuli */
-  {"lak",	HB_TAG_NONE	       },	/* Laka (Nigeria) (retired code) != Lak */
-  {"lam",	HB_TAG_NONE	       },	/* Lamba != Lambani */
-  {"laz",	HB_TAG_NONE	       },	/* Aribwatsa != Laz */
-  {"lb",	HB_TAG('L','T','Z',' ')},	/* Luxembourgish */
-  {"lbe",	HB_TAG('L','A','K',' ')},	/* Lak */
-  {"lbj",	HB_TAG('L','D','K',' ')},	/* Ladakhi */
-  {"lbl",	HB_TAG('B','I','K',' ')},	/* Libon Bikol -> Bikol */
-  {"lce",	HB_TAG('M','L','Y',' ')},	/* Loncong -> Malay */
-  {"lcf",	HB_TAG('M','L','Y',' ')},	/* Lubu -> Malay */
-  {"ldi",	HB_TAG('K','O','N','0')},	/* Laari -> Kongo */
-  {"ldk",	HB_TAG_NONE	       },	/* Leelau != Ladakhi */
-/*{"lef",	HB_TAG('L','E','F',' ')},*/	/* Lelemi */
-/*{"lez",	HB_TAG('L','E','Z',' ')},*/	/* Lezghian -> Lezgi */
-  {"lg",	HB_TAG('L','U','G',' ')},	/* Ganda */
-  {"li",	HB_TAG('L','I','M',' ')},	/* Limburgish */
-  {"lif",	HB_TAG('L','M','B',' ')},	/* Limbu */
-/*{"lij",	HB_TAG('L','I','J',' ')},*/	/* Ligurian */
-  {"lir",	HB_TAG('C','P','P',' ')},	/* Liberian English -> Creoles */
-/*{"lis",	HB_TAG('L','I','S',' ')},*/	/* Lisu */
-  {"liw",	HB_TAG('M','L','Y',' ')},	/* Col -> Malay */
-  {"liy",	HB_TAG('B','A','D','0')},	/* Banda-Bambari -> Banda */
-/*{"ljp",	HB_TAG('L','J','P',' ')},*/	/* Lampung Api -> Lampung */
-  {"lkb",	HB_TAG('L','U','H',' ')},	/* Kabras -> Luyia */
-/*{"lki",	HB_TAG('L','K','I',' ')},*/	/* Laki */
-  {"lko",	HB_TAG('L','U','H',' ')},	/* Khayo -> Luyia */
-  {"lks",	HB_TAG('L','U','H',' ')},	/* Kisa -> Luyia */
-  {"lld",	HB_TAG('L','A','D',' ')},	/* Ladin */
-  {"lma",	HB_TAG_NONE	       },	/* East Limba != Low Mari */
-  {"lmb",	HB_TAG_NONE	       },	/* Merei != Limbu */
-  {"lmn",	HB_TAG('L','A','M',' ')},	/* Lambadi -> Lambani */
-/*{"lmo",	HB_TAG('L','M','O',' ')},*/	/* Lombard */
-  {"lmw",	HB_TAG_NONE	       },	/* Lake Miwok != Lomwe */
-  {"ln",	HB_TAG('L','I','N',' ')},	/* Lingala */
-  {"lna",	HB_TAG('B','A','D','0')},	/* Langbashe -> Banda */
-  {"lnl",	HB_TAG('B','A','D','0')},	/* South Central Banda -> Banda */
-  {"lo",	HB_TAG('L','A','O',' ')},	/* Lao */
-/*{"lom",	HB_TAG('L','O','M',' ')},*/	/* Loma (Liberia) */
-  {"lou",	HB_TAG('C','P','P',' ')},	/* Louisiana Creole -> Creoles */
-/*{"lpo",	HB_TAG('L','P','O',' ')},*/	/* Lipo */
-/*{"lrc",	HB_TAG('L','R','C',' ')},*/	/* Northern Luri -> Luri */
-  {"lri",	HB_TAG('L','U','H',' ')},	/* Marachi -> Luyia */
-  {"lrm",	HB_TAG('L','U','H',' ')},	/* Marama -> Luyia */
-  {"lrt",	HB_TAG('C','P','P',' ')},	/* Larantuka Malay -> Creoles */
-  {"lsb",	HB_TAG_NONE	       },	/* Burundian Sign Language != Lower Sorbian */
-  {"lsm",	HB_TAG('L','U','H',' ')},	/* Saamia -> Luyia */
-  {"lt",	HB_TAG('L','T','H',' ')},	/* Lithuanian */
-  {"ltg",	HB_TAG('L','V','I',' ')},	/* Latgalian -> Latvian */
-  {"lth",	HB_TAG_NONE	       },	/* Thur != Lithuanian */
-  {"lto",	HB_TAG('L','U','H',' ')},	/* Tsotso -> Luyia */
-  {"lts",	HB_TAG('L','U','H',' ')},	/* Tachoni -> Luyia */
-  {"lu",	HB_TAG('L','U','B',' ')},	/* Luba-Katanga */
-/*{"lua",	HB_TAG('L','U','A',' ')},*/	/* Luba-Lulua */
-/*{"luo",	HB_TAG('L','U','O',' ')},*/	/* Luo (Kenya and Tanzania) */
-  {"lus",	HB_TAG('M','I','Z',' ')},	/* Lushai -> Mizo */
-  {"lus",	HB_TAG('Q','I','N',' ')},	/* Lushai -> Chin */
-  {"luy",	HB_TAG('L','U','H',' ')},	/* Luyia [macrolanguage] */
-  {"luz",	HB_TAG('L','R','C',' ')},	/* Southern Luri -> Luri */
-  {"lv",	HB_TAG('L','V','I',' ')},	/* Latvian [macrolanguage] */
-  {"lvi",	HB_TAG_NONE	       },	/* Lavi != Latvian */
-  {"lvs",	HB_TAG('L','V','I',' ')},	/* Standard Latvian -> Latvian */
-  {"lwg",	HB_TAG('L','U','H',' ')},	/* Wanga -> Luyia */
-  {"lzh",	HB_TAG('Z','H','T',' ')},	/* Literary Chinese -> Chinese, Traditional */
-  {"lzz",	HB_TAG('L','A','Z',' ')},	/* Laz */
-/*{"mad",	HB_TAG('M','A','D',' ')},*/	/* Madurese -> Madura */
-/*{"mag",	HB_TAG('M','A','G',' ')},*/	/* Magahi */
-  {"mai",	HB_TAG('M','T','H',' ')},	/* Maithili */
-  {"maj",	HB_TAG_NONE	       },	/* Jalapa De Díaz Mazatec != Majang */
-  {"mak",	HB_TAG('M','K','R',' ')},	/* Makasar */
-  {"mam",	HB_TAG('M','A','M',' ')},	/* Mam */
-  {"mam",	HB_TAG('M','Y','N',' ')},	/* Mam -> Mayan */
-  {"man",	HB_TAG('M','N','K',' ')},	/* Mandingo [macrolanguage] -> Maninka */
-  {"map",	HB_TAG_NONE	       },	/* Austronesian [collection] != Mapudungun */
-  {"maw",	HB_TAG_NONE	       },	/* Mampruli != Marwari */
-  {"max",	HB_TAG('M','L','Y',' ')},	/* North Moluccan Malay -> Malay */
-  {"max",	HB_TAG('C','P','P',' ')},	/* North Moluccan Malay -> Creoles */
-  {"mbf",	HB_TAG('C','P','P',' ')},	/* Baba Malay -> Creoles */
-  {"mbn",	HB_TAG_NONE	       },	/* Macaguán != Mbundu */
-/*{"mbo",	HB_TAG('M','B','O',' ')},*/	/* Mbo (Cameroon) */
-  {"mch",	HB_TAG_NONE	       },	/* Maquiritari != Manchu */
-  {"mcm",	HB_TAG('C','P','P',' ')},	/* Malaccan Creole Portuguese -> Creoles */
-  {"mcr",	HB_TAG_NONE	       },	/* Menya != Moose Cree */
-  {"mct",	HB_TAG('B','T','I',' ')},	/* Mengisa -> Beti */
-  {"mde",	HB_TAG_NONE	       },	/* Maba (Chad) != Mende */
-  {"mdf",	HB_TAG('M','O','K',' ')},	/* Moksha */
-/*{"mdr",	HB_TAG('M','D','R',' ')},*/	/* Mandar */
-  {"mdy",	HB_TAG('M','L','E',' ')},	/* Male (Ethiopia) */
-  {"men",	HB_TAG('M','D','E',' ')},	/* Mende (Sierra Leone) */
-  {"meo",	HB_TAG('M','L','Y',' ')},	/* Kedah Malay -> Malay */
-/*{"mer",	HB_TAG('M','E','R',' ')},*/	/* Meru */
-  {"mfa",	HB_TAG('M','F','A',' ')},	/* Pattani Malay */
-  {"mfa",	HB_TAG('M','L','Y',' ')},	/* Pattani Malay -> Malay */
-  {"mfb",	HB_TAG('M','L','Y',' ')},	/* Bangka -> Malay */
-  {"mfe",	HB_TAG('M','F','E',' ')},	/* Morisyen */
-  {"mfe",	HB_TAG('C','P','P',' ')},	/* Morisyen -> Creoles */
-  {"mfp",	HB_TAG('C','P','P',' ')},	/* Makassar Malay -> Creoles */
-  {"mg",	HB_TAG('M','L','G',' ')},	/* Malagasy [macrolanguage] */
-  {"mh",	HB_TAG('M','A','H',' ')},	/* Marshallese */
-  {"mhc",	HB_TAG('M','Y','N',' ')},	/* Mocho -> Mayan */
-  {"mhr",	HB_TAG('L','M','A',' ')},	/* Eastern Mari -> Low Mari */
-  {"mhv",	HB_TAG('A','R','K',' ')},	/* Arakanese (retired code) -> Rakhine */
-  {"mi",	HB_TAG('M','R','I',' ')},	/* Maori */
-  {"min",	HB_TAG('M','I','N',' ')},	/* Minangkabau */
-  {"min",	HB_TAG('M','L','Y',' ')},	/* Minangkabau -> Malay */
-  {"miz",	HB_TAG_NONE	       },	/* Coatzospan Mixtec != Mizo */
-  {"mk",	HB_TAG('M','K','D',' ')},	/* Macedonian */
-  {"mkn",	HB_TAG('C','P','P',' ')},	/* Kupang Malay -> Creoles */
-  {"mkr",	HB_TAG_NONE	       },	/* Malas != Makasar */
-  {"mku",	HB_TAG('M','N','K',' ')},	/* Konyanka Maninka -> Maninka */
-/*{"mkw",	HB_TAG('M','K','W',' ')},*/	/* Kituba (Congo) */
-  {"ml",	HB_TAG('M','A','L',' ')},	/* Malayalam -> Malayalam Traditional */
-  {"ml",	HB_TAG('M','L','R',' ')},	/* Malayalam -> Malayalam Reformed */
-  {"mle",	HB_TAG_NONE	       },	/* Manambu != Male */
-  {"mln",	HB_TAG_NONE	       },	/* Malango != Malinke */
-  {"mlq",	HB_TAG('M','L','N',' ')},	/* Western Maninkakan -> Malinke */
-  {"mlq",	HB_TAG('M','N','K',' ')},	/* Western Maninkakan -> Maninka */
-  {"mlr",	HB_TAG_NONE	       },	/* Vame != Malayalam Reformed */
-  {"mmr",	HB_TAG('H','M','N',' ')},	/* Western Xiangxi Miao -> Hmong */
-  {"mn",	HB_TAG('M','N','G',' ')},	/* Mongolian [macrolanguage] */
-  {"mnc",	HB_TAG('M','C','H',' ')},	/* Manchu */
-  {"mnd",	HB_TAG_NONE	       },	/* Mondé != Mandinka */
-  {"mng",	HB_TAG_NONE	       },	/* Eastern Mnong != Mongolian */
-  {"mnh",	HB_TAG('B','A','D','0')},	/* Mono (Democratic Republic of Congo) -> Banda */
-/*{"mni",	HB_TAG('M','N','I',' ')},*/	/* Manipuri */
-  {"mnk",	HB_TAG('M','N','D',' ')},	/* Mandinka */
-  {"mnk",	HB_TAG('M','N','K',' ')},	/* Mandinka -> Maninka */
-  {"mnp",	HB_TAG('Z','H','S',' ')},	/* Min Bei Chinese -> Chinese, Simplified */
-  {"mns",	HB_TAG('M','A','N',' ')},	/* Mansi */
-  {"mnw",	HB_TAG('M','O','N',' ')},	/* Mon */
-  {"mnw",	HB_TAG('M','O','N','T')},	/* Mon -> Thailand Mon */
-  {"mnx",	HB_TAG_NONE	       },	/* Manikion != Manx */
-  {"mo",	HB_TAG('M','O','L',' ')},	/* Moldavian (retired code) */
-  {"mo",	HB_TAG('R','O','M',' ')},	/* Moldavian (retired code) -> Romanian */
-  {"mod",	HB_TAG('C','P','P',' ')},	/* Mobilian -> Creoles */
-/*{"moh",	HB_TAG('M','O','H',' ')},*/	/* Mohawk */
-  {"mok",	HB_TAG_NONE	       },	/* Morori != Moksha */
-  {"mop",	HB_TAG('M','Y','N',' ')},	/* Mopán Maya -> Mayan */
-  {"mor",	HB_TAG_NONE	       },	/* Moro != Moroccan */
-/*{"mos",	HB_TAG('M','O','S',' ')},*/	/* Mossi */
-  {"mpe",	HB_TAG('M','A','J',' ')},	/* Majang */
-  {"mqg",	HB_TAG('M','L','Y',' ')},	/* Kota Bangun Kutai Malay -> Malay */
-  {"mr",	HB_TAG('M','A','R',' ')},	/* Marathi */
-  {"mrh",	HB_TAG('Q','I','N',' ')},	/* Mara Chin -> Chin */
-  {"mrj",	HB_TAG('H','M','A',' ')},	/* Western Mari -> High Mari */
-  {"ms",	HB_TAG('M','L','Y',' ')},	/* Malay [macrolanguage] */
-  {"msc",	HB_TAG('M','N','K',' ')},	/* Sankaran Maninka -> Maninka */
-  {"msh",	HB_TAG('M','L','G',' ')},	/* Masikoro Malagasy -> Malagasy */
-  {"msi",	HB_TAG('M','L','Y',' ')},	/* Sabah Malay -> Malay */
-  {"msi",	HB_TAG('C','P','P',' ')},	/* Sabah Malay -> Creoles */
-  {"mt",	HB_TAG('M','T','S',' ')},	/* Maltese */
-  {"mth",	HB_TAG_NONE	       },	/* Munggui != Maithili */
-  {"mtr",	HB_TAG('M','A','W',' ')},	/* Mewari -> Marwari */
-  {"mts",	HB_TAG_NONE	       },	/* Yora != Maltese */
-  {"mud",	HB_TAG('C','P','P',' ')},	/* Mednyj Aleut -> Creoles */
-  {"mui",	HB_TAG('M','L','Y',' ')},	/* Musi -> Malay */
-  {"mun",	HB_TAG_NONE	       },	/* Munda [collection] != Mundari */
-  {"mup",	HB_TAG('R','A','J',' ')},	/* Malvi -> Rajasthani */
-  {"muq",	HB_TAG('H','M','N',' ')},	/* Eastern Xiangxi Miao -> Hmong */
-/*{"mus",	HB_TAG('M','U','S',' ')},*/	/* Creek -> Muscogee */
-  {"mvb",	HB_TAG('A','T','H',' ')},	/* Mattole -> Athapaskan */
-  {"mve",	HB_TAG('M','A','W',' ')},	/* Marwari (Pakistan) */
-  {"mvf",	HB_TAG('M','N','G',' ')},	/* Peripheral Mongolian -> Mongolian */
-  {"mwk",	HB_TAG('M','N','K',' ')},	/* Kita Maninkakan -> Maninka */
-/*{"mwl",	HB_TAG('M','W','L',' ')},*/	/* Mirandese */
-  {"mwq",	HB_TAG('Q','I','N',' ')},	/* Mün Chin -> Chin */
-  {"mwr",	HB_TAG('M','A','W',' ')},	/* Marwari [macrolanguage] */
-  {"mww",	HB_TAG('M','W','W',' ')},	/* Hmong Daw */
-  {"mww",	HB_TAG('H','M','N',' ')},	/* Hmong Daw -> Hmong */
-  {"my",	HB_TAG('B','R','M',' ')},	/* Burmese */
-  {"mym",	HB_TAG('M','E','N',' ')},	/* Me’en */
-/*{"myn",	HB_TAG('M','Y','N',' ')},*/	/* Mayan [collection] */
-  {"myq",	HB_TAG('M','N','K',' ')},	/* Forest Maninka (retired code) -> Maninka */
-  {"myv",	HB_TAG('E','R','Z',' ')},	/* Erzya */
-  {"mzb",	HB_TAG('B','B','R',' ')},	/* Tumzabt -> Berber */
-/*{"mzn",	HB_TAG('M','Z','N',' ')},*/	/* Mazanderani */
-  {"mzs",	HB_TAG('C','P','P',' ')},	/* Macanese -> Creoles */
-  {"na",	HB_TAG('N','A','U',' ')},	/* Nauru -> Nauruan */
-  {"nag",	HB_TAG('N','A','G',' ')},	/* Naga Pidgin -> Naga-Assamese */
-  {"nag",	HB_TAG('C','P','P',' ')},	/* Naga Pidgin -> Creoles */
-/*{"nah",	HB_TAG('N','A','H',' ')},*/	/* Nahuatl [collection] */
-  {"nan",	HB_TAG('Z','H','S',' ')},	/* Min Nan Chinese -> Chinese, Simplified */
-/*{"nap",	HB_TAG('N','A','P',' ')},*/	/* Neapolitan */
-  {"nas",	HB_TAG_NONE	       },	/* Naasioi != Naskapi */
-  {"naz",	HB_TAG('N','A','H',' ')},	/* Coatepec Nahuatl -> Nahuatl */
-  {"nb",	HB_TAG('N','O','R',' ')},	/* Norwegian Bokmål -> Norwegian */
-  {"nch",	HB_TAG('N','A','H',' ')},	/* Central Huasteca Nahuatl -> Nahuatl */
-  {"nci",	HB_TAG('N','A','H',' ')},	/* Classical Nahuatl -> Nahuatl */
-  {"ncj",	HB_TAG('N','A','H',' ')},	/* Northern Puebla Nahuatl -> Nahuatl */
-  {"ncl",	HB_TAG('N','A','H',' ')},	/* Michoacán Nahuatl -> Nahuatl */
-  {"ncr",	HB_TAG_NONE	       },	/* Ncane != N-Cree */
-  {"ncx",	HB_TAG('N','A','H',' ')},	/* Central Puebla Nahuatl -> Nahuatl */
-  {"nd",	HB_TAG('N','D','B',' ')},	/* North Ndebele -> Ndebele */
-  {"ndb",	HB_TAG_NONE	       },	/* Kenswei Nsei != Ndebele */
-/*{"ndc",	HB_TAG('N','D','C',' ')},*/	/* Ndau */
-  {"ndg",	HB_TAG_NONE	       },	/* Ndengereko != Ndonga */
-/*{"nds",	HB_TAG('N','D','S',' ')},*/	/* Low Saxon */
-  {"ne",	HB_TAG('N','E','P',' ')},	/* Nepali [macrolanguage] */
-  {"nef",	HB_TAG('C','P','P',' ')},	/* Nefamese -> Creoles */
-/*{"new",	HB_TAG('N','E','W',' ')},*/	/* Newari */
-  {"ng",	HB_TAG('N','D','G',' ')},	/* Ndonga */
-/*{"nga",	HB_TAG('N','G','A',' ')},*/	/* Ngbaka */
-  {"ngl",	HB_TAG('L','M','W',' ')},	/* Lomwe */
-  {"ngm",	HB_TAG('C','P','P',' ')},	/* Ngatik Men's Creole -> Creoles */
-  {"ngo",	HB_TAG('S','X','T',' ')},	/* Ngoni (retired code) -> Sutu */
-  {"ngr",	HB_TAG_NONE	       },	/* Engdewu != Nagari */
-  {"ngu",	HB_TAG('N','A','H',' ')},	/* Guerrero Nahuatl -> Nahuatl */
-  {"nhc",	HB_TAG('N','A','H',' ')},	/* Tabasco Nahuatl -> Nahuatl */
-  {"nhd",	HB_TAG('G','U','A',' ')},	/* Chiripá -> Guarani */
-  {"nhe",	HB_TAG('N','A','H',' ')},	/* Eastern Huasteca Nahuatl -> Nahuatl */
-  {"nhg",	HB_TAG('N','A','H',' ')},	/* Tetelcingo Nahuatl -> Nahuatl */
-  {"nhi",	HB_TAG('N','A','H',' ')},	/* Zacatlán-Ahuacatlán-Tepetzintla Nahuatl -> Nahuatl */
-  {"nhk",	HB_TAG('N','A','H',' ')},	/* Isthmus-Cosoleacaque Nahuatl -> Nahuatl */
-  {"nhm",	HB_TAG('N','A','H',' ')},	/* Morelos Nahuatl -> Nahuatl */
-  {"nhn",	HB_TAG('N','A','H',' ')},	/* Central Nahuatl -> Nahuatl */
-  {"nhp",	HB_TAG('N','A','H',' ')},	/* Isthmus-Pajapan Nahuatl -> Nahuatl */
-  {"nhq",	HB_TAG('N','A','H',' ')},	/* Huaxcaleca Nahuatl -> Nahuatl */
-  {"nht",	HB_TAG('N','A','H',' ')},	/* Ometepec Nahuatl -> Nahuatl */
-  {"nhv",	HB_TAG('N','A','H',' ')},	/* Temascaltepec Nahuatl -> Nahuatl */
-  {"nhw",	HB_TAG('N','A','H',' ')},	/* Western Huasteca Nahuatl -> Nahuatl */
-  {"nhx",	HB_TAG('N','A','H',' ')},	/* Isthmus-Mecayapan Nahuatl -> Nahuatl */
-  {"nhy",	HB_TAG('N','A','H',' ')},	/* Northern Oaxaca Nahuatl -> Nahuatl */
-  {"nhz",	HB_TAG('N','A','H',' ')},	/* Santa María La Alta Nahuatl -> Nahuatl */
-  {"niq",	HB_TAG('K','A','L',' ')},	/* Nandi -> Kalenjin */
-  {"nis",	HB_TAG_NONE	       },	/* Nimi != Nisi */
-/*{"niu",	HB_TAG('N','I','U',' ')},*/	/* Niuean */
-  {"niv",	HB_TAG('G','I','L',' ')},	/* Gilyak */
-  {"njt",	HB_TAG('C','P','P',' ')},	/* Ndyuka-Trio Pidgin -> Creoles */
-  {"njz",	HB_TAG('N','I','S',' ')},	/* Nyishi -> Nisi */
-  {"nko",	HB_TAG_NONE	       },	/* Nkonya != N’Ko */
-  {"nkx",	HB_TAG('I','J','O',' ')},	/* Nkoroo -> Ijo */
-  {"nl",	HB_TAG('N','L','D',' ')},	/* Dutch */
-  {"nla",	HB_TAG('B','M','L',' ')},	/* Ngombale -> Bamileke */
-  {"nle",	HB_TAG('L','U','H',' ')},	/* East Nyala -> Luyia */
-  {"nln",	HB_TAG('N','A','H',' ')},	/* Durango Nahuatl (retired code) -> Nahuatl */
-  {"nlv",	HB_TAG('N','A','H',' ')},	/* Orizaba Nahuatl -> Nahuatl */
-  {"nn",	HB_TAG('N','Y','N',' ')},	/* Norwegian Nynorsk (Nynorsk, Norwegian) */
-  {"nnh",	HB_TAG('B','M','L',' ')},	/* Ngiemboon -> Bamileke */
-  {"nnz",	HB_TAG('B','M','L',' ')},	/* Nda'nda' -> Bamileke */
-  {"no",	HB_TAG('N','O','R',' ')},	/* Norwegian [macrolanguage] */
-  {"nod",	HB_TAG('N','T','A',' ')},	/* Northern Thai -> Northern Tai */
-/*{"noe",	HB_TAG('N','O','E',' ')},*/	/* Nimadi */
-/*{"nog",	HB_TAG('N','O','G',' ')},*/	/* Nogai */
-/*{"nov",	HB_TAG('N','O','V',' ')},*/	/* Novial */
-  {"npi",	HB_TAG('N','E','P',' ')},	/* Nepali */
-  {"npl",	HB_TAG('N','A','H',' ')},	/* Southeastern Puebla Nahuatl -> Nahuatl */
-  {"nqo",	HB_TAG('N','K','O',' ')},	/* N’Ko */
-  {"nr",	HB_TAG('N','D','B',' ')},	/* South Ndebele -> Ndebele */
-  {"nsk",	HB_TAG('N','A','S',' ')},	/* Naskapi */
-  {"nsm",	HB_TAG_NONE	       },	/* Sumi Naga != Northern Sami */
-/*{"nso",	HB_TAG('N','S','O',' ')},*/	/* Northern Sotho */
-  {"nsu",	HB_TAG('N','A','H',' ')},	/* Sierra Negra Nahuatl -> Nahuatl */
-  {"nto",	HB_TAG_NONE	       },	/* Ntomba != Esperanto */
-  {"nue",	HB_TAG('B','A','D','0')},	/* Ngundu -> Banda */
-  {"nuu",	HB_TAG('B','A','D','0')},	/* Ngbundu -> Banda */
-  {"nuz",	HB_TAG('N','A','H',' ')},	/* Tlamacazapa Nahuatl -> Nahuatl */
-  {"nv",	HB_TAG('N','A','V',' ')},	/* Navajo */
-  {"nv",	HB_TAG('A','T','H',' ')},	/* Navajo -> Athapaskan */
-  {"nwe",	HB_TAG('B','M','L',' ')},	/* Ngwe -> Bamileke */
-  {"ny",	HB_TAG('C','H','I',' ')},	/* Chichewa (Chewa, Nyanja) */
-  {"nyd",	HB_TAG('L','U','H',' ')},	/* Nyore -> Luyia */
-/*{"nym",	HB_TAG('N','Y','M',' ')},*/	/* Nyamwezi */
-  {"nyn",	HB_TAG('N','K','L',' ')},	/* Nyankole */
-/*{"nza",	HB_TAG('N','Z','A',' ')},*/	/* Tigon Mbembe -> Mbembe Tigon */
-  {"oc",	HB_TAG('O','C','I',' ')},	/* Occitan (post 1500) */
-  {"oj",	HB_TAG('O','J','B',' ')},	/* Ojibwa [macrolanguage] -> Ojibway */
-/*{"ojb",	HB_TAG('O','J','B',' ')},*/	/* Northwestern Ojibwa -> Ojibway */
-  {"ojc",	HB_TAG('O','J','B',' ')},	/* Central Ojibwa -> Ojibway */
-  {"ojg",	HB_TAG('O','J','B',' ')},	/* Eastern Ojibwa -> Ojibway */
-  {"ojs",	HB_TAG('O','C','R',' ')},	/* Severn Ojibwa -> Oji-Cree */
-  {"ojs",	HB_TAG('O','J','B',' ')},	/* Severn Ojibwa -> Ojibway */
-  {"ojw",	HB_TAG('O','J','B',' ')},	/* Western Ojibwa -> Ojibway */
-  {"okd",	HB_TAG('I','J','O',' ')},	/* Okodia -> Ijo */
-  {"oki",	HB_TAG('K','A','L',' ')},	/* Okiek -> Kalenjin */
-  {"okm",	HB_TAG('K','O','H',' ')},	/* Middle Korean (10th-16th cent.) -> Korean Old Hangul */
-  {"okr",	HB_TAG('I','J','O',' ')},	/* Kirike -> Ijo */
-  {"om",	HB_TAG('O','R','O',' ')},	/* Oromo [macrolanguage] */
-  {"onx",	HB_TAG('C','P','P',' ')},	/* Onin Based Pidgin -> Creoles */
-  {"oor",	HB_TAG('C','P','P',' ')},	/* Oorlams -> Creoles */
-  {"or",	HB_TAG('O','R','I',' ')},	/* Odia (formerly Oriya) [macrolanguage] */
-  {"orc",	HB_TAG('O','R','O',' ')},	/* Orma -> Oromo */
-  {"orn",	HB_TAG('M','L','Y',' ')},	/* Orang Kanaq -> Malay */
-  {"oro",	HB_TAG_NONE	       },	/* Orokolo != Oromo */
-  {"orr",	HB_TAG('I','J','O',' ')},	/* Oruma -> Ijo */
-  {"ors",	HB_TAG('M','L','Y',' ')},	/* Orang Seletar -> Malay */
-  {"ory",	HB_TAG('O','R','I',' ')},	/* Odia (formerly Oriya) */
-  {"os",	HB_TAG('O','S','S',' ')},	/* Ossetian */
-  {"otw",	HB_TAG('O','J','B',' ')},	/* Ottawa -> Ojibway */
-  {"oua",	HB_TAG('B','B','R',' ')},	/* Tagargrent -> Berber */
-  {"pa",	HB_TAG('P','A','N',' ')},	/* Punjabi */
-  {"paa",	HB_TAG_NONE	       },	/* Papuan [collection] != Palestinian Aramaic */
-/*{"pag",	HB_TAG('P','A','G',' ')},*/	/* Pangasinan */
-  {"pal",	HB_TAG_NONE	       },	/* Pahlavi != Pali */
-/*{"pam",	HB_TAG('P','A','M',' ')},*/	/* Pampanga -> Pampangan */
-  {"pap",	HB_TAG('P','A','P','0')},	/* Papiamento -> Papiamentu */
-  {"pap",	HB_TAG('C','P','P',' ')},	/* Papiamento -> Creoles */
-  {"pas",	HB_TAG_NONE	       },	/* Papasena != Pashto */
-/*{"pau",	HB_TAG('P','A','U',' ')},*/	/* Palauan */
-  {"pbt",	HB_TAG('P','A','S',' ')},	/* Southern Pashto -> Pashto */
-  {"pbu",	HB_TAG('P','A','S',' ')},	/* Northern Pashto -> Pashto */
-/*{"pcc",	HB_TAG('P','C','C',' ')},*/	/* Bouyei */
-/*{"pcd",	HB_TAG('P','C','D',' ')},*/	/* Picard */
-  {"pce",	HB_TAG('P','L','G',' ')},	/* Ruching Palaung -> Palaung */
-  {"pck",	HB_TAG('Q','I','N',' ')},	/* Paite Chin -> Chin */
-  {"pcm",	HB_TAG('C','P','P',' ')},	/* Nigerian Pidgin -> Creoles */
-/*{"pdc",	HB_TAG('P','D','C',' ')},*/	/* Pennsylvania German */
-  {"pdu",	HB_TAG('K','R','N',' ')},	/* Kayan -> Karen */
-  {"pea",	HB_TAG('C','P','P',' ')},	/* Peranakan Indonesian -> Creoles */
-  {"pel",	HB_TAG('M','L','Y',' ')},	/* Pekal -> Malay */
-  {"pes",	HB_TAG('F','A','R',' ')},	/* Iranian Persian -> Persian */
-  {"pey",	HB_TAG('C','P','P',' ')},	/* Petjo -> Creoles */
-  {"pga",	HB_TAG('A','R','A',' ')},	/* Sudanese Creole Arabic -> Arabic */
-  {"pga",	HB_TAG('C','P','P',' ')},	/* Sudanese Creole Arabic -> Creoles */
-/*{"phk",	HB_TAG('P','H','K',' ')},*/	/* Phake */
-  {"pi",	HB_TAG('P','A','L',' ')},	/* Pali */
-  {"pih",	HB_TAG('P','I','H',' ')},	/* Pitcairn-Norfolk -> Norfolk */
-  {"pih",	HB_TAG('C','P','P',' ')},	/* Pitcairn-Norfolk -> Creoles */
-  {"pil",	HB_TAG_NONE	       },	/* Yom != Filipino */
-  {"pis",	HB_TAG('C','P','P',' ')},	/* Pijin -> Creoles */
-  {"pkh",	HB_TAG('Q','I','N',' ')},	/* Pankhu -> Chin */
-  {"pko",	HB_TAG('K','A','L',' ')},	/* Pökoot -> Kalenjin */
-  {"pl",	HB_TAG('P','L','K',' ')},	/* Polish */
-  {"plg",	HB_TAG_NONE	       },	/* Pilagá != Palaung */
-  {"plk",	HB_TAG_NONE	       },	/* Kohistani Shina != Polish */
-  {"pll",	HB_TAG('P','L','G',' ')},	/* Shwe Palaung -> Palaung */
-  {"pln",	HB_TAG('C','P','P',' ')},	/* Palenquero -> Creoles */
-  {"plp",	HB_TAG('P','A','P',' ')},	/* Palpa (retired code) */
-  {"plt",	HB_TAG('M','L','G',' ')},	/* Plateau Malagasy -> Malagasy */
-  {"pml",	HB_TAG('C','P','P',' ')},	/* Lingua Franca -> Creoles */
-/*{"pms",	HB_TAG('P','M','S',' ')},*/	/* Piemontese */
-  {"pmy",	HB_TAG('C','P','P',' ')},	/* Papuan Malay -> Creoles */
-/*{"pnb",	HB_TAG('P','N','B',' ')},*/	/* Western Panjabi */
-  {"poc",	HB_TAG('M','Y','N',' ')},	/* Poqomam -> Mayan */
-  {"poh",	HB_TAG('P','O','H',' ')},	/* Poqomchi' -> Pocomchi */
-  {"poh",	HB_TAG('M','Y','N',' ')},	/* Poqomchi' -> Mayan */
-/*{"pon",	HB_TAG('P','O','N',' ')},*/	/* Pohnpeian */
-  {"pov",	HB_TAG('C','P','P',' ')},	/* Upper Guinea Crioulo -> Creoles */
-  {"ppa",	HB_TAG('B','A','G',' ')},	/* Pao (retired code) -> Baghelkhandi */
-  {"pre",	HB_TAG('C','P','P',' ')},	/* Principense -> Creoles */
-/*{"pro",	HB_TAG('P','R','O',' ')},*/	/* Old Provençal (to 1500) -> Provençal / Old Provençal */
-  {"prs",	HB_TAG('D','R','I',' ')},	/* Dari */
-  {"prs",	HB_TAG('F','A','R',' ')},	/* Dari -> Persian */
-  {"ps",	HB_TAG('P','A','S',' ')},	/* Pashto [macrolanguage] */
-  {"pse",	HB_TAG('M','L','Y',' ')},	/* Central Malay -> Malay */
-  {"pst",	HB_TAG('P','A','S',' ')},	/* Central Pashto -> Pashto */
-  {"pt",	HB_TAG('P','T','G',' ')},	/* Portuguese */
-  {"pub",	HB_TAG('Q','I','N',' ')},	/* Purum -> Chin */
-  {"puz",	HB_TAG('Q','I','N',' ')},	/* Purum Naga (retired code) -> Chin */
-  {"pwo",	HB_TAG('P','W','O',' ')},	/* Pwo Western Karen -> Western Pwo Karen */
-  {"pwo",	HB_TAG('K','R','N',' ')},	/* Pwo Western Karen -> Karen */
-  {"pww",	HB_TAG('K','R','N',' ')},	/* Pwo Northern Karen -> Karen */
-  {"qu",	HB_TAG('Q','U','Z',' ')},	/* Quechua [macrolanguage] */
-  {"qub",	HB_TAG('Q','W','H',' ')},	/* Huallaga Huánuco Quechua -> Quechua (Peru) */
-  {"qub",	HB_TAG('Q','U','Z',' ')},	/* Huallaga Huánuco Quechua -> Quechua */
-  {"quc",	HB_TAG('Q','U','C',' ')},	/* K’iche’ */
-  {"quc",	HB_TAG('M','Y','N',' ')},	/* K'iche' -> Mayan */
-  {"qud",	HB_TAG('Q','V','I',' ')},	/* Calderón Highland Quichua -> Quechua (Ecuador) */
-  {"qud",	HB_TAG('Q','U','Z',' ')},	/* Calderón Highland Quichua -> Quechua */
-  {"quf",	HB_TAG('Q','U','Z',' ')},	/* Lambayeque Quechua -> Quechua */
-  {"qug",	HB_TAG('Q','V','I',' ')},	/* Chimborazo Highland Quichua -> Quechua (Ecuador) */
-  {"qug",	HB_TAG('Q','U','Z',' ')},	/* Chimborazo Highland Quichua -> Quechua */
-  {"quh",	HB_TAG('Q','U','H',' ')},	/* South Bolivian Quechua -> Quechua (Bolivia) */
-  {"quh",	HB_TAG('Q','U','Z',' ')},	/* South Bolivian Quechua -> Quechua */
-  {"quk",	HB_TAG('Q','U','Z',' ')},	/* Chachapoyas Quechua -> Quechua */
-  {"qul",	HB_TAG('Q','U','H',' ')},	/* North Bolivian Quechua -> Quechua (Bolivia) */
-  {"qul",	HB_TAG('Q','U','Z',' ')},	/* North Bolivian Quechua -> Quechua */
-  {"qum",	HB_TAG('M','Y','N',' ')},	/* Sipacapense -> Mayan */
-  {"qup",	HB_TAG('Q','V','I',' ')},	/* Southern Pastaza Quechua -> Quechua (Ecuador) */
-  {"qup",	HB_TAG('Q','U','Z',' ')},	/* Southern Pastaza Quechua -> Quechua */
-  {"qur",	HB_TAG('Q','W','H',' ')},	/* Yanahuanca Pasco Quechua -> Quechua (Peru) */
-  {"qur",	HB_TAG('Q','U','Z',' ')},	/* Yanahuanca Pasco Quechua -> Quechua */
-  {"qus",	HB_TAG('Q','U','H',' ')},	/* Santiago del Estero Quichua -> Quechua (Bolivia) */
-  {"qus",	HB_TAG('Q','U','Z',' ')},	/* Santiago del Estero Quichua -> Quechua */
-  {"quv",	HB_TAG('M','Y','N',' ')},	/* Sacapulteco -> Mayan */
-  {"quw",	HB_TAG('Q','V','I',' ')},	/* Tena Lowland Quichua -> Quechua (Ecuador) */
-  {"quw",	HB_TAG('Q','U','Z',' ')},	/* Tena Lowland Quichua -> Quechua */
-  {"qux",	HB_TAG('Q','W','H',' ')},	/* Yauyos Quechua -> Quechua (Peru) */
-  {"qux",	HB_TAG('Q','U','Z',' ')},	/* Yauyos Quechua -> Quechua */
-  {"quy",	HB_TAG('Q','U','Z',' ')},	/* Ayacucho Quechua -> Quechua */
-/*{"quz",	HB_TAG('Q','U','Z',' ')},*/	/* Cusco Quechua -> Quechua */
-  {"qva",	HB_TAG('Q','W','H',' ')},	/* Ambo-Pasco Quechua -> Quechua (Peru) */
-  {"qva",	HB_TAG('Q','U','Z',' ')},	/* Ambo-Pasco Quechua -> Quechua */
-  {"qvc",	HB_TAG('Q','U','Z',' ')},	/* Cajamarca Quechua -> Quechua */
-  {"qve",	HB_TAG('Q','U','Z',' ')},	/* Eastern Apurímac Quechua -> Quechua */
-  {"qvh",	HB_TAG('Q','W','H',' ')},	/* Huamalíes-Dos de Mayo Huánuco Quechua -> Quechua (Peru) */
-  {"qvh",	HB_TAG('Q','U','Z',' ')},	/* Huamalíes-Dos de Mayo Huánuco Quechua -> Quechua */
-  {"qvi",	HB_TAG('Q','V','I',' ')},	/* Imbabura Highland Quichua -> Quechua (Ecuador) */
-  {"qvi",	HB_TAG('Q','U','Z',' ')},	/* Imbabura Highland Quichua -> Quechua */
-  {"qvj",	HB_TAG('Q','V','I',' ')},	/* Loja Highland Quichua -> Quechua (Ecuador) */
-  {"qvj",	HB_TAG('Q','U','Z',' ')},	/* Loja Highland Quichua -> Quechua */
-  {"qvl",	HB_TAG('Q','W','H',' ')},	/* Cajatambo North Lima Quechua -> Quechua (Peru) */
-  {"qvl",	HB_TAG('Q','U','Z',' ')},	/* Cajatambo North Lima Quechua -> Quechua */
-  {"qvm",	HB_TAG('Q','W','H',' ')},	/* Margos-Yarowilca-Lauricocha Quechua -> Quechua (Peru) */
-  {"qvm",	HB_TAG('Q','U','Z',' ')},	/* Margos-Yarowilca-Lauricocha Quechua -> Quechua */
-  {"qvn",	HB_TAG('Q','W','H',' ')},	/* North Junín Quechua -> Quechua (Peru) */
-  {"qvn",	HB_TAG('Q','U','Z',' ')},	/* North Junín Quechua -> Quechua */
-  {"qvo",	HB_TAG('Q','V','I',' ')},	/* Napo Lowland Quechua -> Quechua (Ecuador) */
-  {"qvo",	HB_TAG('Q','U','Z',' ')},	/* Napo Lowland Quechua -> Quechua */
-  {"qvp",	HB_TAG('Q','W','H',' ')},	/* Pacaraos Quechua -> Quechua (Peru) */
-  {"qvp",	HB_TAG('Q','U','Z',' ')},	/* Pacaraos Quechua -> Quechua */
-  {"qvs",	HB_TAG('Q','U','Z',' ')},	/* San Martín Quechua -> Quechua */
-  {"qvw",	HB_TAG('Q','W','H',' ')},	/* Huaylla Wanca Quechua -> Quechua (Peru) */
-  {"qvw",	HB_TAG('Q','U','Z',' ')},	/* Huaylla Wanca Quechua -> Quechua */
-  {"qvz",	HB_TAG('Q','V','I',' ')},	/* Northern Pastaza Quichua -> Quechua (Ecuador) */
-  {"qvz",	HB_TAG('Q','U','Z',' ')},	/* Northern Pastaza Quichua -> Quechua */
-  {"qwa",	HB_TAG('Q','W','H',' ')},	/* Corongo Ancash Quechua -> Quechua (Peru) */
-  {"qwa",	HB_TAG('Q','U','Z',' ')},	/* Corongo Ancash Quechua -> Quechua */
-  {"qwc",	HB_TAG('Q','U','Z',' ')},	/* Classical Quechua -> Quechua */
-  {"qwh",	HB_TAG('Q','W','H',' ')},	/* Huaylas Ancash Quechua -> Quechua (Peru) */
-  {"qwh",	HB_TAG('Q','U','Z',' ')},	/* Huaylas Ancash Quechua -> Quechua */
-  {"qws",	HB_TAG('Q','W','H',' ')},	/* Sihuas Ancash Quechua -> Quechua (Peru) */
-  {"qws",	HB_TAG('Q','U','Z',' ')},	/* Sihuas Ancash Quechua -> Quechua */
-  {"qwt",	HB_TAG('A','T','H',' ')},	/* Kwalhioqua-Tlatskanai -> Athapaskan */
-  {"qxa",	HB_TAG('Q','W','H',' ')},	/* Chiquián Ancash Quechua -> Quechua (Peru) */
-  {"qxa",	HB_TAG('Q','U','Z',' ')},	/* Chiquián Ancash Quechua -> Quechua */
-  {"qxc",	HB_TAG('Q','W','H',' ')},	/* Chincha Quechua -> Quechua (Peru) */
-  {"qxc",	HB_TAG('Q','U','Z',' ')},	/* Chincha Quechua -> Quechua */
-  {"qxh",	HB_TAG('Q','W','H',' ')},	/* Panao Huánuco Quechua -> Quechua (Peru) */
-  {"qxh",	HB_TAG('Q','U','Z',' ')},	/* Panao Huánuco Quechua -> Quechua */
-  {"qxl",	HB_TAG('Q','V','I',' ')},	/* Salasaca Highland Quichua -> Quechua (Ecuador) */
-  {"qxl",	HB_TAG('Q','U','Z',' ')},	/* Salasaca Highland Quichua -> Quechua */
-  {"qxn",	HB_TAG('Q','W','H',' ')},	/* Northern Conchucos Ancash Quechua -> Quechua (Peru) */
-  {"qxn",	HB_TAG('Q','U','Z',' ')},	/* Northern Conchucos Ancash Quechua -> Quechua */
-  {"qxo",	HB_TAG('Q','W','H',' ')},	/* Southern Conchucos Ancash Quechua -> Quechua (Peru) */
-  {"qxo",	HB_TAG('Q','U','Z',' ')},	/* Southern Conchucos Ancash Quechua -> Quechua */
-  {"qxp",	HB_TAG('Q','U','Z',' ')},	/* Puno Quechua -> Quechua */
-  {"qxr",	HB_TAG('Q','V','I',' ')},	/* Cañar Highland Quichua -> Quechua (Ecuador) */
-  {"qxr",	HB_TAG('Q','U','Z',' ')},	/* Cañar Highland Quichua -> Quechua */
-  {"qxt",	HB_TAG('Q','W','H',' ')},	/* Santa Ana de Tusi Pasco Quechua -> Quechua (Peru) */
-  {"qxt",	HB_TAG('Q','U','Z',' ')},	/* Santa Ana de Tusi Pasco Quechua -> Quechua */
-  {"qxu",	HB_TAG('Q','U','Z',' ')},	/* Arequipa-La Unión Quechua -> Quechua */
-  {"qxw",	HB_TAG('Q','W','H',' ')},	/* Jauja Wanca Quechua -> Quechua (Peru) */
-  {"qxw",	HB_TAG('Q','U','Z',' ')},	/* Jauja Wanca Quechua -> Quechua */
-  {"rag",	HB_TAG('L','U','H',' ')},	/* Logooli -> Luyia */
-/*{"raj",	HB_TAG('R','A','J',' ')},*/	/* Rajasthani [macrolanguage] */
-  {"ral",	HB_TAG('Q','I','N',' ')},	/* Ralte -> Chin */
-/*{"rar",	HB_TAG('R','A','R',' ')},*/	/* Rarotongan */
-  {"rbb",	HB_TAG('P','L','G',' ')},	/* Rumai Palaung -> Palaung */
-  {"rbl",	HB_TAG('B','I','K',' ')},	/* Miraya Bikol -> Bikol */
-  {"rcf",	HB_TAG('C','P','P',' ')},	/* Réunion Creole French -> Creoles */
-/*{"rej",	HB_TAG('R','E','J',' ')},*/	/* Rejang */
-/*{"rhg",	HB_TAG('R','H','G',' ')},*/	/* Rohingya */
-/*{"ria",	HB_TAG('R','I','A',' ')},*/	/* Riang (India) */
-  {"rif",	HB_TAG('R','I','F',' ')},	/* Tarifit */
-  {"rif",	HB_TAG('B','B','R',' ')},	/* Tarifit -> Berber */
-/*{"rit",	HB_TAG('R','I','T',' ')},*/	/* Ritharrngu -> Ritarungo */
-  {"rki",	HB_TAG('A','R','K',' ')},	/* Rakhine */
-/*{"rkw",	HB_TAG('R','K','W',' ')},*/	/* Arakwal */
-  {"rm",	HB_TAG('R','M','S',' ')},	/* Romansh */
-  {"rmc",	HB_TAG('R','O','Y',' ')},	/* Carpathian Romani -> Romany */
-  {"rmf",	HB_TAG('R','O','Y',' ')},	/* Kalo Finnish Romani -> Romany */
-  {"rml",	HB_TAG('R','O','Y',' ')},	/* Baltic Romani -> Romany */
-  {"rmn",	HB_TAG('R','O','Y',' ')},	/* Balkan Romani -> Romany */
-  {"rmo",	HB_TAG('R','O','Y',' ')},	/* Sinte Romani -> Romany */
-  {"rms",	HB_TAG_NONE	       },	/* Romanian Sign Language != Romansh */
-  {"rmw",	HB_TAG('R','O','Y',' ')},	/* Welsh Romani -> Romany */
-  {"rmy",	HB_TAG('R','M','Y',' ')},	/* Vlax Romani */
-  {"rmy",	HB_TAG('R','O','Y',' ')},	/* Vlax Romani -> Romany */
-  {"rmz",	HB_TAG('A','R','K',' ')},	/* Marma -> Rakhine */
-  {"rn",	HB_TAG('R','U','N',' ')},	/* Rundi */
-  {"ro",	HB_TAG('R','O','M',' ')},	/* Romanian */
-  {"rom",	HB_TAG('R','O','Y',' ')},	/* Romany [macrolanguage] */
-  {"rop",	HB_TAG('C','P','P',' ')},	/* Kriol -> Creoles */
-  {"rtc",	HB_TAG('Q','I','N',' ')},	/* Rungtu Chin -> Chin */
-/*{"rtm",	HB_TAG('R','T','M',' ')},*/	/* Rotuman */
-  {"ru",	HB_TAG('R','U','S',' ')},	/* Russian */
-  {"rue",	HB_TAG('R','S','Y',' ')},	/* Rusyn */
-/*{"rup",	HB_TAG('R','U','P',' ')},*/	/* Aromanian */
-  {"rw",	HB_TAG('R','U','A',' ')},	/* Kinyarwanda */
-  {"rwr",	HB_TAG('M','A','W',' ')},	/* Marwari (India) */
-  {"sa",	HB_TAG('S','A','N',' ')},	/* Sanskrit */
-  {"sad",	HB_TAG_NONE	       },	/* Sandawe != Sadri */
-  {"sah",	HB_TAG('Y','A','K',' ')},	/* Yakut -> Sakha */
-  {"sam",	HB_TAG('P','A','A',' ')},	/* Samaritan Aramaic -> Palestinian Aramaic */
-/*{"sas",	HB_TAG('S','A','S',' ')},*/	/* Sasak */
-/*{"sat",	HB_TAG('S','A','T',' ')},*/	/* Santali */
-  {"say",	HB_TAG_NONE	       },	/* Saya != Sayisi */
-  {"sc",	HB_TAG('S','R','D',' ')},	/* Sardinian [macrolanguage] */
-  {"scf",	HB_TAG('C','P','P',' ')},	/* San Miguel Creole French -> Creoles */
-  {"sch",	HB_TAG('Q','I','N',' ')},	/* Sakachep -> Chin */
-  {"sci",	HB_TAG('C','P','P',' ')},	/* Sri Lankan Creole Malay -> Creoles */
-  {"sck",	HB_TAG('S','A','D',' ')},	/* Sadri */
-/*{"scn",	HB_TAG('S','C','N',' ')},*/	/* Sicilian */
-/*{"sco",	HB_TAG('S','C','O',' ')},*/	/* Scots */
-  {"scs",	HB_TAG('S','C','S',' ')},	/* North Slavey */
-  {"scs",	HB_TAG('S','L','A',' ')},	/* North Slavey -> Slavey */
-  {"scs",	HB_TAG('A','T','H',' ')},	/* North Slavey -> Athapaskan */
-  {"sd",	HB_TAG('S','N','D',' ')},	/* Sindhi */
-  {"sdc",	HB_TAG('S','R','D',' ')},	/* Sassarese Sardinian -> Sardinian */
-  {"sdh",	HB_TAG('K','U','R',' ')},	/* Southern Kurdish -> Kurdish */
-  {"sdn",	HB_TAG('S','R','D',' ')},	/* Gallurese Sardinian -> Sardinian */
-  {"sds",	HB_TAG('B','B','R',' ')},	/* Sened -> Berber */
-  {"se",	HB_TAG('N','S','M',' ')},	/* Northern Sami */
-  {"seh",	HB_TAG('S','N','A',' ')},	/* Sena */
-  {"sek",	HB_TAG('A','T','H',' ')},	/* Sekani -> Athapaskan */
-/*{"sel",	HB_TAG('S','E','L',' ')},*/	/* Selkup */
-  {"sez",	HB_TAG('Q','I','N',' ')},	/* Senthang Chin -> Chin */
-  {"sfm",	HB_TAG('S','F','M',' ')},	/* Small Flowery Miao */
-  {"sfm",	HB_TAG('H','M','N',' ')},	/* Small Flowery Miao -> Hmong */
-  {"sg",	HB_TAG('S','G','O',' ')},	/* Sango */
-/*{"sga",	HB_TAG('S','G','A',' ')},*/	/* Old Irish (to 900) */
-  {"sgc",	HB_TAG('K','A','L',' ')},	/* Kipsigis -> Kalenjin */
-  {"sgo",	HB_TAG_NONE	       },	/* Songa (retired code) != Sango */
-/*{"sgs",	HB_TAG('S','G','S',' ')},*/	/* Samogitian */
-  {"sgw",	HB_TAG('C','H','G',' ')},	/* Sebat Bet Gurage -> Chaha Gurage */
-  {"sh",	HB_TAG('B','O','S',' ')},	/* Serbo-Croatian [macrolanguage] -> Bosnian */
-  {"sh",	HB_TAG('H','R','V',' ')},	/* Serbo-Croatian [macrolanguage] -> Croatian */
-  {"sh",	HB_TAG('S','R','B',' ')},	/* Serbo-Croatian [macrolanguage] -> Serbian */
-  {"shi",	HB_TAG('S','H','I',' ')},	/* Tachelhit */
-  {"shi",	HB_TAG('B','B','R',' ')},	/* Tachelhit -> Berber */
-  {"shl",	HB_TAG('Q','I','N',' ')},	/* Shendu -> Chin */
-/*{"shn",	HB_TAG('S','H','N',' ')},*/	/* Shan */
-  {"shu",	HB_TAG('A','R','A',' ')},	/* Chadian Arabic -> Arabic */
-  {"shy",	HB_TAG('B','B','R',' ')},	/* Tachawit -> Berber */
-  {"si",	HB_TAG('S','N','H',' ')},	/* Sinhala (Sinhalese) */
-  {"sib",	HB_TAG_NONE	       },	/* Sebop != Sibe */
-/*{"sid",	HB_TAG('S','I','D',' ')},*/	/* Sidamo */
-  {"sig",	HB_TAG_NONE	       },	/* Paasaal != Silte Gurage */
-  {"siz",	HB_TAG('B','B','R',' ')},	/* Siwi -> Berber */
-  {"sjd",	HB_TAG('K','S','M',' ')},	/* Kildin Sami */
-  {"sjo",	HB_TAG('S','I','B',' ')},	/* Xibe -> Sibe */
-  {"sjs",	HB_TAG('B','B','R',' ')},	/* Senhaja De Srair -> Berber */
-  {"sk",	HB_TAG('S','K','Y',' ')},	/* Slovak */
-  {"skg",	HB_TAG('M','L','G',' ')},	/* Sakalava Malagasy -> Malagasy */
-  {"skr",	HB_TAG('S','R','K',' ')},	/* Saraiki */
-  {"sks",	HB_TAG_NONE	       },	/* Maia != Skolt Sami */
-  {"skw",	HB_TAG('C','P','P',' ')},	/* Skepi Creole Dutch -> Creoles */
-  {"sky",	HB_TAG_NONE	       },	/* Sikaiana != Slovak */
-  {"sl",	HB_TAG('S','L','V',' ')},	/* Slovenian */
-  {"sla",	HB_TAG_NONE	       },	/* Slavic [collection] != Slavey */
-  {"sm",	HB_TAG('S','M','O',' ')},	/* Samoan */
-  {"sma",	HB_TAG('S','S','M',' ')},	/* Southern Sami */
-  {"smd",	HB_TAG('M','B','N',' ')},	/* Sama (retired code) -> Mbundu */
-  {"smj",	HB_TAG('L','S','M',' ')},	/* Lule Sami */
-  {"sml",	HB_TAG_NONE	       },	/* Central Sama != Somali */
-  {"smn",	HB_TAG('I','S','M',' ')},	/* Inari Sami */
-  {"sms",	HB_TAG('S','K','S',' ')},	/* Skolt Sami */
-  {"smt",	HB_TAG('Q','I','N',' ')},	/* Simte -> Chin */
-  {"sn",	HB_TAG('S','N','A','0')},	/* Shona */
-  {"snb",	HB_TAG('I','B','A',' ')},	/* Sebuyau (retired code) -> Iban */
-  {"snh",	HB_TAG_NONE	       },	/* Shinabo (retired code) != Sinhala (Sinhalese) */
-/*{"snk",	HB_TAG('S','N','K',' ')},*/	/* Soninke */
-  {"so",	HB_TAG('S','M','L',' ')},	/* Somali */
-  {"sog",	HB_TAG_NONE	       },	/* Sogdian != Sodo Gurage */
-/*{"sop",	HB_TAG('S','O','P',' ')},*/	/* Songe */
-  {"spv",	HB_TAG('O','R','I',' ')},	/* Sambalpuri -> Odia (formerly Oriya) */
-  {"spy",	HB_TAG('K','A','L',' ')},	/* Sabaot -> Kalenjin */
-  {"sq",	HB_TAG('S','Q','I',' ')},	/* Albanian [macrolanguage] */
-  {"sr",	HB_TAG('S','R','B',' ')},	/* Serbian */
-  {"srb",	HB_TAG_NONE	       },	/* Sora != Serbian */
-  {"src",	HB_TAG('S','R','D',' ')},	/* Logudorese Sardinian -> Sardinian */
-  {"srk",	HB_TAG_NONE	       },	/* Serudung Murut != Saraiki */
-  {"srm",	HB_TAG('C','P','P',' ')},	/* Saramaccan -> Creoles */
-  {"srn",	HB_TAG('C','P','P',' ')},	/* Sranan Tongo -> Creoles */
-  {"sro",	HB_TAG('S','R','D',' ')},	/* Campidanese Sardinian -> Sardinian */
-/*{"srr",	HB_TAG('S','R','R',' ')},*/	/* Serer */
-  {"srs",	HB_TAG('A','T','H',' ')},	/* Sarsi -> Athapaskan */
-  {"ss",	HB_TAG('S','W','Z',' ')},	/* Swati */
-  {"ssh",	HB_TAG('A','R','A',' ')},	/* Shihhi Arabic -> Arabic */
-  {"ssl",	HB_TAG_NONE	       },	/* Western Sisaala != South Slavey */
-  {"ssm",	HB_TAG_NONE	       },	/* Semnam != Southern Sami */
-  {"st",	HB_TAG('S','O','T',' ')},	/* Southern Sotho */
-  {"sta",	HB_TAG('C','P','P',' ')},	/* Settla -> Creoles */
-/*{"stq",	HB_TAG('S','T','Q',' ')},*/	/* Saterfriesisch -> Saterland Frisian */
-  {"stv",	HB_TAG('S','I','G',' ')},	/* Silt'e -> Silte Gurage */
-  {"su",	HB_TAG('S','U','N',' ')},	/* Sundanese */
-/*{"suk",	HB_TAG('S','U','K',' ')},*/	/* Sukuma */
-  {"suq",	HB_TAG('S','U','R',' ')},	/* Suri */
-  {"sur",	HB_TAG_NONE	       },	/* Mwaghavul != Suri */
-  {"sv",	HB_TAG('S','V','E',' ')},	/* Swedish */
-/*{"sva",	HB_TAG('S','V','A',' ')},*/	/* Svan */
-  {"svc",	HB_TAG('C','P','P',' ')},	/* Vincentian Creole English -> Creoles */
-  {"sve",	HB_TAG_NONE	       },	/* Serili != Swedish */
-  {"sw",	HB_TAG('S','W','K',' ')},	/* Swahili [macrolanguage] */
-  {"swb",	HB_TAG('C','M','R',' ')},	/* Maore Comorian -> Comorian */
-  {"swc",	HB_TAG('S','W','K',' ')},	/* Congo Swahili -> Swahili */
-  {"swh",	HB_TAG('S','W','K',' ')},	/* Swahili */
-  {"swk",	HB_TAG_NONE	       },	/* Malawi Sena != Swahili */
-  {"swn",	HB_TAG('B','B','R',' ')},	/* Sawknah -> Berber */
-  {"swv",	HB_TAG('M','A','W',' ')},	/* Shekhawati -> Marwari */
-/*{"sxu",	HB_TAG('S','X','U',' ')},*/	/* Upper Saxon */
-  {"syc",	HB_TAG('S','Y','R',' ')},	/* Classical Syriac -> Syriac */
-/*{"syl",	HB_TAG('S','Y','L',' ')},*/	/* Sylheti */
-/*{"syr",	HB_TAG('S','Y','R',' ')},*/	/* Syriac [macrolanguage] */
-/*{"szl",	HB_TAG('S','Z','L',' ')},*/	/* Silesian */
-  {"ta",	HB_TAG('T','A','M',' ')},	/* Tamil */
-  {"taa",	HB_TAG('A','T','H',' ')},	/* Lower Tanana -> Athapaskan */
-/*{"tab",	HB_TAG('T','A','B',' ')},*/	/* Tabassaran -> Tabasaran */
-  {"taj",	HB_TAG_NONE	       },	/* Eastern Tamang != Tajiki */
-  {"taq",	HB_TAG('T','M','H',' ')},	/* Tamasheq -> Tamashek */
-  {"taq",	HB_TAG('B','B','R',' ')},	/* Tamasheq -> Berber */
-  {"tas",	HB_TAG('C','P','P',' ')},	/* Tay Boi -> Creoles */
-  {"tau",	HB_TAG('A','T','H',' ')},	/* Upper Tanana -> Athapaskan */
-  {"tcb",	HB_TAG('A','T','H',' ')},	/* Tanacross -> Athapaskan */
-  {"tce",	HB_TAG('A','T','H',' ')},	/* Southern Tutchone -> Athapaskan */
-  {"tch",	HB_TAG('C','P','P',' ')},	/* Turks And Caicos Creole English -> Creoles */
-  {"tcp",	HB_TAG('Q','I','N',' ')},	/* Tawr Chin -> Chin */
-  {"tcs",	HB_TAG('C','P','P',' ')},	/* Torres Strait Creole -> Creoles */
-  {"tcy",	HB_TAG('T','U','L',' ')},	/* Tulu -> Tumbuka */
-  {"tcz",	HB_TAG('Q','I','N',' ')},	/* Thado Chin -> Chin */
-/*{"tdd",	HB_TAG('T','D','D',' ')},*/	/* Tai Nüa -> Dehong Dai */
-  {"tdx",	HB_TAG('M','L','G',' ')},	/* Tandroy-Mahafaly Malagasy -> Malagasy */
-  {"te",	HB_TAG('T','E','L',' ')},	/* Telugu */
-  {"tec",	HB_TAG('K','A','L',' ')},	/* Terik -> Kalenjin */
-  {"tem",	HB_TAG('T','M','N',' ')},	/* Timne -> Temne */
-/*{"tet",	HB_TAG('T','E','T',' ')},*/	/* Tetum */
-  {"tez",	HB_TAG('B','B','R',' ')},	/* Tetserret -> Berber */
-  {"tfn",	HB_TAG('A','T','H',' ')},	/* Tanaina -> Athapaskan */
-  {"tg",	HB_TAG('T','A','J',' ')},	/* Tajik -> Tajiki */
-  {"tgh",	HB_TAG('C','P','P',' ')},	/* Tobagonian Creole English -> Creoles */
-  {"tgj",	HB_TAG('N','I','S',' ')},	/* Tagin -> Nisi */
-  {"tgn",	HB_TAG_NONE	       },	/* Tandaganon != Tongan */
-  {"tgr",	HB_TAG_NONE	       },	/* Tareng != Tigre */
-  {"tgx",	HB_TAG('A','T','H',' ')},	/* Tagish -> Athapaskan */
-  {"tgy",	HB_TAG_NONE	       },	/* Togoyo != Tigrinya */
-  {"th",	HB_TAG('T','H','A',' ')},	/* Thai */
-  {"tht",	HB_TAG('A','T','H',' ')},	/* Tahltan -> Athapaskan */
-  {"thv",	HB_TAG('T','M','H',' ')},	/* Tahaggart Tamahaq -> Tamashek */
-  {"thv",	HB_TAG('B','B','R',' ')},	/* Tahaggart Tamahaq -> Berber */
-  {"thz",	HB_TAG('T','M','H',' ')},	/* Tayart Tamajeq -> Tamashek */
-  {"thz",	HB_TAG('B','B','R',' ')},	/* Tayart Tamajeq -> Berber */
-  {"ti",	HB_TAG('T','G','Y',' ')},	/* Tigrinya */
-  {"tia",	HB_TAG('B','B','R',' ')},	/* Tidikelt Tamazight -> Berber */
-  {"tig",	HB_TAG('T','G','R',' ')},	/* Tigre */
-/*{"tiv",	HB_TAG('T','I','V',' ')},*/	/* Tiv */
-/*{"tjl",	HB_TAG('T','J','L',' ')},*/	/* Tai Laing */
-  {"tjo",	HB_TAG('B','B','R',' ')},	/* Temacine Tamazight -> Berber */
-  {"tk",	HB_TAG('T','K','M',' ')},	/* Turkmen */
-  {"tkg",	HB_TAG('M','L','G',' ')},	/* Tesaka Malagasy -> Malagasy */
-  {"tkm",	HB_TAG_NONE	       },	/* Takelma != Turkmen */
-  {"tl",	HB_TAG('T','G','L',' ')},	/* Tagalog */
-/*{"tli",	HB_TAG('T','L','I',' ')},*/	/* Tlingit */
-  {"tmg",	HB_TAG('C','P','P',' ')},	/* Ternateño -> Creoles */
-  {"tmh",	HB_TAG('T','M','H',' ')},	/* Tamashek [macrolanguage] */
-  {"tmh",	HB_TAG('B','B','R',' ')},	/* Tamashek [macrolanguage] -> Berber */
-  {"tmn",	HB_TAG_NONE	       },	/* Taman (Indonesia) != Temne */
-  {"tmw",	HB_TAG('M','L','Y',' ')},	/* Temuan -> Malay */
-  {"tn",	HB_TAG('T','N','A',' ')},	/* Tswana */
-  {"tna",	HB_TAG_NONE	       },	/* Tacana != Tswana */
-  {"tne",	HB_TAG_NONE	       },	/* Tinoc Kallahan (retired code) != Tundra Enets */
-  {"tnf",	HB_TAG('D','R','I',' ')},	/* Tangshewi (retired code) -> Dari */
-  {"tnf",	HB_TAG('F','A','R',' ')},	/* Tangshewi (retired code) -> Persian */
-  {"tng",	HB_TAG_NONE	       },	/* Tobanga != Tonga */
-  {"to",	HB_TAG('T','G','N',' ')},	/* Tonga (Tonga Islands) -> Tongan */
-  {"tod",	HB_TAG('T','O','D','0')},	/* Toma */
-  {"toi",	HB_TAG('T','N','G',' ')},	/* Tonga (Zambia) */
-  {"toj",	HB_TAG('M','Y','N',' ')},	/* Tojolabal -> Mayan */
-  {"tol",	HB_TAG('A','T','H',' ')},	/* Tolowa -> Athapaskan */
-  {"tor",	HB_TAG('B','A','D','0')},	/* Togbo-Vara Banda -> Banda */
-  {"tpi",	HB_TAG('T','P','I',' ')},	/* Tok Pisin */
-  {"tpi",	HB_TAG('C','P','P',' ')},	/* Tok Pisin -> Creoles */
-  {"tr",	HB_TAG('T','R','K',' ')},	/* Turkish */
-  {"trf",	HB_TAG('C','P','P',' ')},	/* Trinidadian Creole English -> Creoles */
-  {"trk",	HB_TAG_NONE	       },	/* Turkic [collection] != Turkish */
-  {"tru",	HB_TAG('T','U','A',' ')},	/* Turoyo -> Turoyo Aramaic */
-  {"tru",	HB_TAG('S','Y','R',' ')},	/* Turoyo -> Syriac */
-  {"ts",	HB_TAG('T','S','G',' ')},	/* Tsonga */
-  {"tsg",	HB_TAG_NONE	       },	/* Tausug != Tsonga */
-/*{"tsj",	HB_TAG('T','S','J',' ')},*/	/* Tshangla */
-  {"tt",	HB_TAG('T','A','T',' ')},	/* Tatar */
-  {"ttc",	HB_TAG('M','Y','N',' ')},	/* Tektiteko -> Mayan */
-  {"ttm",	HB_TAG('A','T','H',' ')},	/* Northern Tutchone -> Athapaskan */
-  {"ttq",	HB_TAG('T','M','H',' ')},	/* Tawallammat Tamajaq -> Tamashek */
-  {"ttq",	HB_TAG('B','B','R',' ')},	/* Tawallammat Tamajaq -> Berber */
-  {"tua",	HB_TAG_NONE	       },	/* Wiarumus != Turoyo Aramaic */
-  {"tul",	HB_TAG_NONE	       },	/* Tula != Tumbuka */
-/*{"tum",	HB_TAG('T','U','M',' ')},*/	/* Tumbuka -> Tulu */
-  {"tuu",	HB_TAG('A','T','H',' ')},	/* Tututni -> Athapaskan */
-  {"tuv",	HB_TAG_NONE	       },	/* Turkana != Tuvin */
-  {"tuy",	HB_TAG('K','A','L',' ')},	/* Tugen -> Kalenjin */
-/*{"tvl",	HB_TAG('T','V','L',' ')},*/	/* Tuvalu */
-  {"tvy",	HB_TAG('C','P','P',' ')},	/* Timor Pidgin -> Creoles */
-  {"tw",	HB_TAG('T','W','I',' ')},	/* Twi */
-  {"tw",	HB_TAG('A','K','A',' ')},	/* Twi -> Akan */
-  {"txc",	HB_TAG('A','T','H',' ')},	/* Tsetsaut -> Athapaskan */
-  {"txy",	HB_TAG('M','L','G',' ')},	/* Tanosy Malagasy -> Malagasy */
-  {"ty",	HB_TAG('T','H','T',' ')},	/* Tahitian */
-  {"tyv",	HB_TAG('T','U','V',' ')},	/* Tuvinian -> Tuvin */
-/*{"tyz",	HB_TAG('T','Y','Z',' ')},*/	/* Tày */
-  {"tzh",	HB_TAG('M','Y','N',' ')},	/* Tzeltal -> Mayan */
-  {"tzj",	HB_TAG('M','Y','N',' ')},	/* Tz'utujil -> Mayan */
-  {"tzm",	HB_TAG('T','Z','M',' ')},	/* Central Atlas Tamazight -> Tamazight */
-  {"tzm",	HB_TAG('B','B','R',' ')},	/* Central Atlas Tamazight -> Berber */
-  {"tzo",	HB_TAG('T','Z','O',' ')},	/* Tzotzil */
-  {"tzo",	HB_TAG('M','Y','N',' ')},	/* Tzotzil -> Mayan */
-  {"ubl",	HB_TAG('B','I','K',' ')},	/* Buhi'non Bikol -> Bikol */
-/*{"udm",	HB_TAG('U','D','M',' ')},*/	/* Udmurt */
-  {"ug",	HB_TAG('U','Y','G',' ')},	/* Uyghur */
-  {"uk",	HB_TAG('U','K','R',' ')},	/* Ukrainian */
-  {"uki",	HB_TAG('K','U','I',' ')},	/* Kui (India) */
-  {"uln",	HB_TAG('C','P','P',' ')},	/* Unserdeutsch -> Creoles */
-/*{"umb",	HB_TAG('U','M','B',' ')},*/	/* Umbundu */
-  {"unr",	HB_TAG('M','U','N',' ')},	/* Mundari */
-  {"ur",	HB_TAG('U','R','D',' ')},	/* Urdu */
-  {"urk",	HB_TAG('M','L','Y',' ')},	/* Urak Lawoi' -> Malay */
-  {"usp",	HB_TAG('M','Y','N',' ')},	/* Uspanteco -> Mayan */
-  {"uz",	HB_TAG('U','Z','B',' ')},	/* Uzbek [macrolanguage] */
-  {"uzn",	HB_TAG('U','Z','B',' ')},	/* Northern Uzbek -> Uzbek */
-  {"uzs",	HB_TAG('U','Z','B',' ')},	/* Southern Uzbek -> Uzbek */
-  {"vap",	HB_TAG('Q','I','N',' ')},	/* Vaiphei -> Chin */
-  {"ve",	HB_TAG('V','E','N',' ')},	/* Venda */
-/*{"vec",	HB_TAG('V','E','C',' ')},*/	/* Venetian */
-  {"vi",	HB_TAG('V','I','T',' ')},	/* Vietnamese */
-  {"vic",	HB_TAG('C','P','P',' ')},	/* Virgin Islands Creole English -> Creoles */
-  {"vit",	HB_TAG_NONE	       },	/* Viti != Vietnamese */
-  {"vkk",	HB_TAG('M','L','Y',' ')},	/* Kaur -> Malay */
-  {"vkp",	HB_TAG('C','P','P',' ')},	/* Korlai Creole Portuguese -> Creoles */
-  {"vkt",	HB_TAG('M','L','Y',' ')},	/* Tenggarong Kutai Malay -> Malay */
-  {"vls",	HB_TAG('F','L','E',' ')},	/* Vlaams -> Dutch (Flemish) */
-  {"vmw",	HB_TAG('M','A','K',' ')},	/* Makhuwa */
-  {"vo",	HB_TAG('V','O','L',' ')},	/* Volapük */
-/*{"vro",	HB_TAG('V','R','O',' ')},*/	/* Võro */
-  {"wa",	HB_TAG('W','L','N',' ')},	/* Walloon */
-  {"wag",	HB_TAG_NONE	       },	/* Wa'ema != Wagdi */
-/*{"war",	HB_TAG('W','A','R',' ')},*/	/* Waray (Philippines) -> Waray-Waray */
-  {"wbm",	HB_TAG('W','A',' ',' ')},	/* Wa */
-  {"wbr",	HB_TAG('W','A','G',' ')},	/* Wagdi */
-  {"wbr",	HB_TAG('R','A','J',' ')},	/* Wagdi -> Rajasthani */
-/*{"wci",	HB_TAG('W','C','I',' ')},*/	/* Waci Gbe */
-  {"wea",	HB_TAG('K','R','N',' ')},	/* Wewaw -> Karen */
-  {"wes",	HB_TAG('C','P','P',' ')},	/* Cameroon Pidgin -> Creoles */
-  {"weu",	HB_TAG('Q','I','N',' ')},	/* Rawngtu Chin -> Chin */
-  {"wlc",	HB_TAG('C','M','R',' ')},	/* Mwali Comorian -> Comorian */
-  {"wle",	HB_TAG('S','I','G',' ')},	/* Wolane -> Silte Gurage */
-  {"wlk",	HB_TAG('A','T','H',' ')},	/* Wailaki -> Athapaskan */
-  {"wni",	HB_TAG('C','M','R',' ')},	/* Ndzwani Comorian -> Comorian */
-  {"wo",	HB_TAG('W','L','F',' ')},	/* Wolof */
-  {"wry",	HB_TAG('M','A','W',' ')},	/* Merwari -> Marwari */
-  {"wsg",	HB_TAG('G','O','N',' ')},	/* Adilabad Gondi -> Gondi */
-/*{"wtm",	HB_TAG('W','T','M',' ')},*/	/* Mewati */
-  {"wuu",	HB_TAG('Z','H','S',' ')},	/* Wu Chinese -> Chinese, Simplified */
-  {"xal",	HB_TAG('K','L','M',' ')},	/* Kalmyk */
-  {"xal",	HB_TAG('T','O','D',' ')},	/* Kalmyk -> Todo */
-  {"xan",	HB_TAG('S','E','K',' ')},	/* Xamtanga -> Sekota */
-  {"xbd",	HB_TAG_NONE	       },	/* Bindal != Lü */
-  {"xh",	HB_TAG('X','H','S',' ')},	/* Xhosa */
-/*{"xjb",	HB_TAG('X','J','B',' ')},*/	/* Minjungbal -> Minjangbal */
-/*{"xkf",	HB_TAG('X','K','F',' ')},*/	/* Khengkha */
-  {"xmg",	HB_TAG('B','M','L',' ')},	/* Mengaka -> Bamileke */
-  {"xmm",	HB_TAG('M','L','Y',' ')},	/* Manado Malay -> Malay */
-  {"xmm",	HB_TAG('C','P','P',' ')},	/* Manado Malay -> Creoles */
-  {"xmv",	HB_TAG('M','L','G',' ')},	/* Antankarana Malagasy -> Malagasy */
-  {"xmw",	HB_TAG('M','L','G',' ')},	/* Tsimihety Malagasy -> Malagasy */
-  {"xnj",	HB_TAG('S','X','T',' ')},	/* Ngoni (Tanzania) -> Sutu */
-  {"xnq",	HB_TAG('S','X','T',' ')},	/* Ngoni (Mozambique) -> Sutu */
-  {"xnr",	HB_TAG('D','G','R',' ')},	/* Kangri -> Dogri (macrolanguage) */
-/*{"xog",	HB_TAG('X','O','G',' ')},*/	/* Soga */
-  {"xpe",	HB_TAG('X','P','E',' ')},	/* Liberia Kpelle -> Kpelle (Liberia) */
-  {"xpe",	HB_TAG('K','P','L',' ')},	/* Liberia Kpelle -> Kpelle */
-  {"xsl",	HB_TAG('S','S','L',' ')},	/* South Slavey */
-  {"xsl",	HB_TAG('S','L','A',' ')},	/* South Slavey -> Slavey */
-  {"xsl",	HB_TAG('A','T','H',' ')},	/* South Slavey -> Athapaskan */
-  {"xst",	HB_TAG('S','I','G',' ')},	/* Silt'e (retired code) -> Silte Gurage */
-/*{"xub",	HB_TAG('X','U','B',' ')},*/	/* Betta Kurumba -> Bette Kuruma */
-/*{"xuj",	HB_TAG('X','U','J',' ')},*/	/* Jennu Kurumba -> Jennu Kuruma */
-  {"xup",	HB_TAG('A','T','H',' ')},	/* Upper Umpqua -> Athapaskan */
-  {"xwo",	HB_TAG('T','O','D',' ')},	/* Written Oirat -> Todo */
-  {"yaj",	HB_TAG('B','A','D','0')},	/* Banda-Yangere -> Banda */
-  {"yak",	HB_TAG_NONE	       },	/* Yakama != Sakha */
-/*{"yao",	HB_TAG('Y','A','O',' ')},*/	/* Yao */
-/*{"yap",	HB_TAG('Y','A','P',' ')},*/	/* Yapese */
-  {"yba",	HB_TAG_NONE	       },	/* Yala != Yoruba */
-  {"ybb",	HB_TAG('B','M','L',' ')},	/* Yemba -> Bamileke */
-  {"ybd",	HB_TAG('A','R','K',' ')},	/* Yangbye (retired code) -> Rakhine */
-  {"ydd",	HB_TAG('J','I','I',' ')},	/* Eastern Yiddish -> Yiddish */
-/*{"ygp",	HB_TAG('Y','G','P',' ')},*/	/* Gepo */
-  {"yi",	HB_TAG('J','I','I',' ')},	/* Yiddish [macrolanguage] */
-  {"yih",	HB_TAG('J','I','I',' ')},	/* Western Yiddish -> Yiddish */
-  {"yim",	HB_TAG_NONE	       },	/* Yimchungru Naga != Yi Modern */
-/*{"yna",	HB_TAG('Y','N','A',' ')},*/	/* Aluo */
-  {"yo",	HB_TAG('Y','B','A',' ')},	/* Yoruba */
-  {"yos",	HB_TAG('Q','I','N',' ')},	/* Yos (retired code) -> Chin */
-  {"yua",	HB_TAG('M','Y','N',' ')},	/* Yucateco -> Mayan */
-  {"yue",	HB_TAG('Z','H','H',' ')},	/* Yue Chinese -> Chinese, Traditional, Hong Kong SAR */
-/*{"ywq",	HB_TAG('Y','W','Q',' ')},*/	/* Wuding-Luquan Yi */
-  {"za",	HB_TAG('Z','H','A',' ')},	/* Zhuang [macrolanguage] */
-  {"zch",	HB_TAG('Z','H','A',' ')},	/* Central Hongshuihe Zhuang -> Zhuang */
-  {"zdj",	HB_TAG('C','M','R',' ')},	/* Ngazidja Comorian -> Comorian */
-/*{"zea",	HB_TAG('Z','E','A',' ')},*/	/* Zeeuws -> Zealandic */
-  {"zeh",	HB_TAG('Z','H','A',' ')},	/* Eastern Hongshuihe Zhuang -> Zhuang */
-  {"zen",	HB_TAG('B','B','R',' ')},	/* Zenaga -> Berber */
-  {"zgb",	HB_TAG('Z','H','A',' ')},	/* Guibei Zhuang -> Zhuang */
-  {"zgh",	HB_TAG('Z','G','H',' ')},	/* Standard Moroccan Tamazight */
-  {"zgh",	HB_TAG('B','B','R',' ')},	/* Standard Moroccan Tamazight -> Berber */
-  {"zgm",	HB_TAG('Z','H','A',' ')},	/* Minz Zhuang -> Zhuang */
-  {"zgn",	HB_TAG('Z','H','A',' ')},	/* Guibian Zhuang -> Zhuang */
-  {"zh",	HB_TAG('Z','H','S',' ')},	/* Chinese, Simplified [macrolanguage] */
-  {"zhd",	HB_TAG('Z','H','A',' ')},	/* Dai Zhuang -> Zhuang */
-  {"zhn",	HB_TAG('Z','H','A',' ')},	/* Nong Zhuang -> Zhuang */
-  {"zlj",	HB_TAG('Z','H','A',' ')},	/* Liujiang Zhuang -> Zhuang */
-  {"zlm",	HB_TAG('M','L','Y',' ')},	/* Malay */
-  {"zln",	HB_TAG('Z','H','A',' ')},	/* Lianshan Zhuang -> Zhuang */
-  {"zlq",	HB_TAG('Z','H','A',' ')},	/* Liuqian Zhuang -> Zhuang */
-  {"zmi",	HB_TAG('M','L','Y',' ')},	/* Negeri Sembilan Malay -> Malay */
-  {"zmz",	HB_TAG('B','A','D','0')},	/* Mbandja -> Banda */
-  {"znd",	HB_TAG_NONE	       },	/* Zande [collection] != Zande */
-  {"zne",	HB_TAG('Z','N','D',' ')},	/* Zande */
-  {"zom",	HB_TAG('Q','I','N',' ')},	/* Zou -> Chin */
-  {"zqe",	HB_TAG('Z','H','A',' ')},	/* Qiubei Zhuang -> Zhuang */
-  {"zsm",	HB_TAG('M','L','Y',' ')},	/* Standard Malay -> Malay */
-  {"zu",	HB_TAG('Z','U','L',' ')},	/* Zulu */
-  {"zum",	HB_TAG('L','R','C',' ')},	/* Kumzari -> Luri */
-  {"zyb",	HB_TAG('Z','H','A',' ')},	/* Yongbei Zhuang -> Zhuang */
-  {"zyg",	HB_TAG('Z','H','A',' ')},	/* Yang Zhuang -> Zhuang */
-  {"zyj",	HB_TAG('Z','H','A',' ')},	/* Youjiang Zhuang -> Zhuang */
-  {"zyn",	HB_TAG('Z','H','A',' ')},	/* Yongnan Zhuang -> Zhuang */
-  {"zyp",	HB_TAG('Q','I','N',' ')},	/* Zyphe Chin -> Chin */
-/*{"zza",	HB_TAG('Z','Z','A',' ')},*/	/* Zazaki [macrolanguage] */
-  {"zzj",	HB_TAG('Z','H','A',' ')},	/* Zuojiang Zhuang -> Zhuang */
+static const LangTag ot_languages2[] = {
+  {HB_TAG('a','a',' ',' '),	HB_TAG('A','F','R',' ')},	/* Afar */
+  {HB_TAG('a','b',' ',' '),	HB_TAG('A','B','K',' ')},	/* Abkhazian */
+  {HB_TAG('a','f',' ',' '),	HB_TAG('A','F','K',' ')},	/* Afrikaans */
+  {HB_TAG('a','k',' ',' '),	HB_TAG('A','K','A',' ')},	/* Akan [macrolanguage] */
+  {HB_TAG('a','m',' ',' '),	HB_TAG('A','M','H',' ')},	/* Amharic */
+  {HB_TAG('a','n',' ',' '),	HB_TAG('A','R','G',' ')},	/* Aragonese */
+  {HB_TAG('a','r',' ',' '),	HB_TAG('A','R','A',' ')},	/* Arabic [macrolanguage] */
+  {HB_TAG('a','s',' ',' '),	HB_TAG('A','S','M',' ')},	/* Assamese */
+  {HB_TAG('a','v',' ',' '),	HB_TAG('A','V','R',' ')},	/* Avaric -> Avar */
+  {HB_TAG('a','y',' ',' '),	HB_TAG('A','Y','M',' ')},	/* Aymara [macrolanguage] */
+  {HB_TAG('a','z',' ',' '),	HB_TAG('A','Z','E',' ')},	/* Azerbaijani [macrolanguage] */
+  {HB_TAG('b','a',' ',' '),	HB_TAG('B','S','H',' ')},	/* Bashkir */
+  {HB_TAG('b','e',' ',' '),	HB_TAG('B','E','L',' ')},	/* Belarusian -> Belarussian */
+  {HB_TAG('b','g',' ',' '),	HB_TAG('B','G','R',' ')},	/* Bulgarian */
+  {HB_TAG('b','i',' ',' '),	HB_TAG('B','I','S',' ')},	/* Bislama */
+  {HB_TAG('b','i',' ',' '),	HB_TAG('C','P','P',' ')},	/* Bislama -> Creoles */
+  {HB_TAG('b','m',' ',' '),	HB_TAG('B','M','B',' ')},	/* Bambara (Bamanankan) */
+  {HB_TAG('b','n',' ',' '),	HB_TAG('B','E','N',' ')},	/* Bengali */
+  {HB_TAG('b','o',' ',' '),	HB_TAG('T','I','B',' ')},	/* Tibetan */
+  {HB_TAG('b','r',' ',' '),	HB_TAG('B','R','E',' ')},	/* Breton */
+  {HB_TAG('b','s',' ',' '),	HB_TAG('B','O','S',' ')},	/* Bosnian */
+  {HB_TAG('c','a',' ',' '),	HB_TAG('C','A','T',' ')},	/* Catalan */
+  {HB_TAG('c','e',' ',' '),	HB_TAG('C','H','E',' ')},	/* Chechen */
+  {HB_TAG('c','h',' ',' '),	HB_TAG('C','H','A',' ')},	/* Chamorro */
+  {HB_TAG('c','o',' ',' '),	HB_TAG('C','O','S',' ')},	/* Corsican */
+  {HB_TAG('c','r',' ',' '),	HB_TAG('C','R','E',' ')},	/* Cree [macrolanguage] */
+  {HB_TAG('c','s',' ',' '),	HB_TAG('C','S','Y',' ')},	/* Czech */
+  {HB_TAG('c','u',' ',' '),	HB_TAG('C','S','L',' ')},	/* Church Slavonic */
+  {HB_TAG('c','v',' ',' '),	HB_TAG('C','H','U',' ')},	/* Chuvash */
+  {HB_TAG('c','y',' ',' '),	HB_TAG('W','E','L',' ')},	/* Welsh */
+  {HB_TAG('d','a',' ',' '),	HB_TAG('D','A','N',' ')},	/* Danish */
+  {HB_TAG('d','e',' ',' '),	HB_TAG('D','E','U',' ')},	/* German */
+  {HB_TAG('d','v',' ',' '),	HB_TAG('D','I','V',' ')},	/* Divehi (Dhivehi, Maldivian) */
+  {HB_TAG('d','v',' ',' '),	HB_TAG('D','H','V',' ')},	/* Divehi (Dhivehi, Maldivian) (deprecated) */
+  {HB_TAG('d','z',' ',' '),	HB_TAG('D','Z','N',' ')},	/* Dzongkha */
+  {HB_TAG('e','e',' ',' '),	HB_TAG('E','W','E',' ')},	/* Ewe */
+  {HB_TAG('e','l',' ',' '),	HB_TAG('E','L','L',' ')},	/* Modern Greek (1453-) -> Greek */
+  {HB_TAG('e','n',' ',' '),	HB_TAG('E','N','G',' ')},	/* English */
+  {HB_TAG('e','o',' ',' '),	HB_TAG('N','T','O',' ')},	/* Esperanto */
+  {HB_TAG('e','s',' ',' '),	HB_TAG('E','S','P',' ')},	/* Spanish */
+  {HB_TAG('e','t',' ',' '),	HB_TAG('E','T','I',' ')},	/* Estonian [macrolanguage] */
+  {HB_TAG('e','u',' ',' '),	HB_TAG('E','U','Q',' ')},	/* Basque */
+  {HB_TAG('f','a',' ',' '),	HB_TAG('F','A','R',' ')},	/* Persian [macrolanguage] */
+  {HB_TAG('f','f',' ',' '),	HB_TAG('F','U','L',' ')},	/* Fulah [macrolanguage] */
+  {HB_TAG('f','i',' ',' '),	HB_TAG('F','I','N',' ')},	/* Finnish */
+  {HB_TAG('f','j',' ',' '),	HB_TAG('F','J','I',' ')},	/* Fijian */
+  {HB_TAG('f','o',' ',' '),	HB_TAG('F','O','S',' ')},	/* Faroese */
+  {HB_TAG('f','r',' ',' '),	HB_TAG('F','R','A',' ')},	/* French */
+  {HB_TAG('f','y',' ',' '),	HB_TAG('F','R','I',' ')},	/* Western Frisian -> Frisian */
+  {HB_TAG('g','a',' ',' '),	HB_TAG('I','R','I',' ')},	/* Irish */
+  {HB_TAG('g','d',' ',' '),	HB_TAG('G','A','E',' ')},	/* Scottish Gaelic (Gaelic) */
+  {HB_TAG('g','l',' ',' '),	HB_TAG('G','A','L',' ')},	/* Galician */
+  {HB_TAG('g','n',' ',' '),	HB_TAG('G','U','A',' ')},	/* Guarani [macrolanguage] */
+  {HB_TAG('g','u',' ',' '),	HB_TAG('G','U','J',' ')},	/* Gujarati */
+  {HB_TAG('g','v',' ',' '),	HB_TAG('M','N','X',' ')},	/* Manx */
+  {HB_TAG('h','a',' ',' '),	HB_TAG('H','A','U',' ')},	/* Hausa */
+  {HB_TAG('h','e',' ',' '),	HB_TAG('I','W','R',' ')},	/* Hebrew */
+  {HB_TAG('h','i',' ',' '),	HB_TAG('H','I','N',' ')},	/* Hindi */
+  {HB_TAG('h','o',' ',' '),	HB_TAG('H','M','O',' ')},	/* Hiri Motu */
+  {HB_TAG('h','o',' ',' '),	HB_TAG('C','P','P',' ')},	/* Hiri Motu -> Creoles */
+  {HB_TAG('h','r',' ',' '),	HB_TAG('H','R','V',' ')},	/* Croatian */
+  {HB_TAG('h','t',' ',' '),	HB_TAG('H','A','I',' ')},	/* Haitian (Haitian Creole) */
+  {HB_TAG('h','t',' ',' '),	HB_TAG('C','P','P',' ')},	/* Haitian -> Creoles */
+  {HB_TAG('h','u',' ',' '),	HB_TAG('H','U','N',' ')},	/* Hungarian */
+  {HB_TAG('h','y',' ',' '),	HB_TAG('H','Y','E','0')},	/* Armenian -> Armenian East */
+  {HB_TAG('h','y',' ',' '),	HB_TAG('H','Y','E',' ')},	/* Armenian */
+  {HB_TAG('h','z',' ',' '),	HB_TAG('H','E','R',' ')},	/* Herero */
+  {HB_TAG('i','a',' ',' '),	HB_TAG('I','N','A',' ')},	/* Interlingua (International Auxiliary Language Association) */
+  {HB_TAG('i','d',' ',' '),	HB_TAG('I','N','D',' ')},	/* Indonesian */
+  {HB_TAG('i','d',' ',' '),	HB_TAG('M','L','Y',' ')},	/* Indonesian -> Malay */
+  {HB_TAG('i','e',' ',' '),	HB_TAG('I','L','E',' ')},	/* Interlingue */
+  {HB_TAG('i','g',' ',' '),	HB_TAG('I','B','O',' ')},	/* Igbo */
+  {HB_TAG('i','i',' ',' '),	HB_TAG('Y','I','M',' ')},	/* Sichuan Yi -> Yi Modern */
+  {HB_TAG('i','k',' ',' '),	HB_TAG('I','P','K',' ')},	/* Inupiaq [macrolanguage] -> Inupiat */
+  {HB_TAG('i','n',' ',' '),	HB_TAG('I','N','D',' ')},	/* Indonesian (retired code) */
+  {HB_TAG('i','n',' ',' '),	HB_TAG('M','L','Y',' ')},	/* Indonesian (retired code) -> Malay */
+  {HB_TAG('i','o',' ',' '),	HB_TAG('I','D','O',' ')},	/* Ido */
+  {HB_TAG('i','s',' ',' '),	HB_TAG('I','S','L',' ')},	/* Icelandic */
+  {HB_TAG('i','t',' ',' '),	HB_TAG('I','T','A',' ')},	/* Italian */
+  {HB_TAG('i','u',' ',' '),	HB_TAG('I','N','U',' ')},	/* Inuktitut [macrolanguage] */
+  {HB_TAG('i','u',' ',' '),	HB_TAG('I','N','U','K')},	/* Inuktitut [macrolanguage] -> Nunavik Inuktitut */
+  {HB_TAG('i','w',' ',' '),	HB_TAG('I','W','R',' ')},	/* Hebrew (retired code) */
+  {HB_TAG('j','a',' ',' '),	HB_TAG('J','A','N',' ')},	/* Japanese */
+  {HB_TAG('j','i',' ',' '),	HB_TAG('J','I','I',' ')},	/* Yiddish (retired code) */
+  {HB_TAG('j','v',' ',' '),	HB_TAG('J','A','V',' ')},	/* Javanese */
+  {HB_TAG('j','w',' ',' '),	HB_TAG('J','A','V',' ')},	/* Javanese (retired code) */
+  {HB_TAG('k','a',' ',' '),	HB_TAG('K','A','T',' ')},	/* Georgian */
+  {HB_TAG('k','g',' ',' '),	HB_TAG('K','O','N','0')},	/* Kongo [macrolanguage] */
+  {HB_TAG('k','i',' ',' '),	HB_TAG('K','I','K',' ')},	/* Kikuyu (Gikuyu) */
+  {HB_TAG('k','j',' ',' '),	HB_TAG('K','U','A',' ')},	/* Kuanyama */
+  {HB_TAG('k','k',' ',' '),	HB_TAG('K','A','Z',' ')},	/* Kazakh */
+  {HB_TAG('k','l',' ',' '),	HB_TAG('G','R','N',' ')},	/* Greenlandic */
+  {HB_TAG('k','m',' ',' '),	HB_TAG('K','H','M',' ')},	/* Khmer */
+  {HB_TAG('k','n',' ',' '),	HB_TAG('K','A','N',' ')},	/* Kannada */
+  {HB_TAG('k','o',' ',' '),	HB_TAG('K','O','R',' ')},	/* Korean */
+  {HB_TAG('k','o',' ',' '),	HB_TAG('K','O','H',' ')},	/* Korean -> Korean Old Hangul */
+  {HB_TAG('k','r',' ',' '),	HB_TAG('K','N','R',' ')},	/* Kanuri [macrolanguage] */
+  {HB_TAG('k','s',' ',' '),	HB_TAG('K','S','H',' ')},	/* Kashmiri */
+  {HB_TAG('k','u',' ',' '),	HB_TAG('K','U','R',' ')},	/* Kurdish [macrolanguage] */
+  {HB_TAG('k','v',' ',' '),	HB_TAG('K','O','M',' ')},	/* Komi [macrolanguage] */
+  {HB_TAG('k','w',' ',' '),	HB_TAG('C','O','R',' ')},	/* Cornish */
+  {HB_TAG('k','y',' ',' '),	HB_TAG('K','I','R',' ')},	/* Kirghiz (Kyrgyz) */
+  {HB_TAG('l','a',' ',' '),	HB_TAG('L','A','T',' ')},	/* Latin */
+  {HB_TAG('l','b',' ',' '),	HB_TAG('L','T','Z',' ')},	/* Luxembourgish */
+  {HB_TAG('l','g',' ',' '),	HB_TAG('L','U','G',' ')},	/* Ganda */
+  {HB_TAG('l','i',' ',' '),	HB_TAG('L','I','M',' ')},	/* Limburgish */
+  {HB_TAG('l','n',' ',' '),	HB_TAG('L','I','N',' ')},	/* Lingala */
+  {HB_TAG('l','o',' ',' '),	HB_TAG('L','A','O',' ')},	/* Lao */
+  {HB_TAG('l','t',' ',' '),	HB_TAG('L','T','H',' ')},	/* Lithuanian */
+  {HB_TAG('l','u',' ',' '),	HB_TAG('L','U','B',' ')},	/* Luba-Katanga */
+  {HB_TAG('l','v',' ',' '),	HB_TAG('L','V','I',' ')},	/* Latvian [macrolanguage] */
+  {HB_TAG('m','g',' ',' '),	HB_TAG('M','L','G',' ')},	/* Malagasy [macrolanguage] */
+  {HB_TAG('m','h',' ',' '),	HB_TAG('M','A','H',' ')},	/* Marshallese */
+  {HB_TAG('m','i',' ',' '),	HB_TAG('M','R','I',' ')},	/* Maori */
+  {HB_TAG('m','k',' ',' '),	HB_TAG('M','K','D',' ')},	/* Macedonian */
+  {HB_TAG('m','l',' ',' '),	HB_TAG('M','A','L',' ')},	/* Malayalam -> Malayalam Traditional */
+  {HB_TAG('m','l',' ',' '),	HB_TAG('M','L','R',' ')},	/* Malayalam -> Malayalam Reformed */
+  {HB_TAG('m','n',' ',' '),	HB_TAG('M','N','G',' ')},	/* Mongolian [macrolanguage] */
+  {HB_TAG('m','o',' ',' '),	HB_TAG('M','O','L',' ')},	/* Moldavian (retired code) */
+  {HB_TAG('m','o',' ',' '),	HB_TAG('R','O','M',' ')},	/* Moldavian (retired code) -> Romanian */
+  {HB_TAG('m','r',' ',' '),	HB_TAG('M','A','R',' ')},	/* Marathi */
+  {HB_TAG('m','s',' ',' '),	HB_TAG('M','L','Y',' ')},	/* Malay [macrolanguage] */
+  {HB_TAG('m','t',' ',' '),	HB_TAG('M','T','S',' ')},	/* Maltese */
+  {HB_TAG('m','y',' ',' '),	HB_TAG('B','R','M',' ')},	/* Burmese */
+  {HB_TAG('n','a',' ',' '),	HB_TAG('N','A','U',' ')},	/* Nauru -> Nauruan */
+  {HB_TAG('n','b',' ',' '),	HB_TAG('N','O','R',' ')},	/* Norwegian Bokmål -> Norwegian */
+  {HB_TAG('n','d',' ',' '),	HB_TAG('N','D','B',' ')},	/* North Ndebele -> Ndebele */
+  {HB_TAG('n','e',' ',' '),	HB_TAG('N','E','P',' ')},	/* Nepali [macrolanguage] */
+  {HB_TAG('n','g',' ',' '),	HB_TAG('N','D','G',' ')},	/* Ndonga */
+  {HB_TAG('n','l',' ',' '),	HB_TAG('N','L','D',' ')},	/* Dutch */
+  {HB_TAG('n','n',' ',' '),	HB_TAG('N','Y','N',' ')},	/* Norwegian Nynorsk (Nynorsk, Norwegian) */
+  {HB_TAG('n','o',' ',' '),	HB_TAG('N','O','R',' ')},	/* Norwegian [macrolanguage] */
+  {HB_TAG('n','r',' ',' '),	HB_TAG('N','D','B',' ')},	/* South Ndebele -> Ndebele */
+  {HB_TAG('n','v',' ',' '),	HB_TAG('N','A','V',' ')},	/* Navajo */
+  {HB_TAG('n','v',' ',' '),	HB_TAG('A','T','H',' ')},	/* Navajo -> Athapaskan */
+  {HB_TAG('n','y',' ',' '),	HB_TAG('C','H','I',' ')},	/* Chichewa (Chewa, Nyanja) */
+  {HB_TAG('o','c',' ',' '),	HB_TAG('O','C','I',' ')},	/* Occitan (post 1500) */
+  {HB_TAG('o','j',' ',' '),	HB_TAG('O','J','B',' ')},	/* Ojibwa [macrolanguage] -> Ojibway */
+  {HB_TAG('o','m',' ',' '),	HB_TAG('O','R','O',' ')},	/* Oromo [macrolanguage] */
+  {HB_TAG('o','r',' ',' '),	HB_TAG('O','R','I',' ')},	/* Odia (formerly Oriya) [macrolanguage] */
+  {HB_TAG('o','s',' ',' '),	HB_TAG('O','S','S',' ')},	/* Ossetian */
+  {HB_TAG('p','a',' ',' '),	HB_TAG('P','A','N',' ')},	/* Punjabi */
+  {HB_TAG('p','i',' ',' '),	HB_TAG('P','A','L',' ')},	/* Pali */
+  {HB_TAG('p','l',' ',' '),	HB_TAG('P','L','K',' ')},	/* Polish */
+  {HB_TAG('p','s',' ',' '),	HB_TAG('P','A','S',' ')},	/* Pashto [macrolanguage] */
+  {HB_TAG('p','t',' ',' '),	HB_TAG('P','T','G',' ')},	/* Portuguese */
+  {HB_TAG('q','u',' ',' '),	HB_TAG('Q','U','Z',' ')},	/* Quechua [macrolanguage] */
+  {HB_TAG('r','m',' ',' '),	HB_TAG('R','M','S',' ')},	/* Romansh */
+  {HB_TAG('r','n',' ',' '),	HB_TAG('R','U','N',' ')},	/* Rundi */
+  {HB_TAG('r','o',' ',' '),	HB_TAG('R','O','M',' ')},	/* Romanian */
+  {HB_TAG('r','u',' ',' '),	HB_TAG('R','U','S',' ')},	/* Russian */
+  {HB_TAG('r','w',' ',' '),	HB_TAG('R','U','A',' ')},	/* Kinyarwanda */
+  {HB_TAG('s','a',' ',' '),	HB_TAG('S','A','N',' ')},	/* Sanskrit */
+  {HB_TAG('s','c',' ',' '),	HB_TAG('S','R','D',' ')},	/* Sardinian [macrolanguage] */
+  {HB_TAG('s','d',' ',' '),	HB_TAG('S','N','D',' ')},	/* Sindhi */
+  {HB_TAG('s','e',' ',' '),	HB_TAG('N','S','M',' ')},	/* Northern Sami */
+  {HB_TAG('s','g',' ',' '),	HB_TAG('S','G','O',' ')},	/* Sango */
+  {HB_TAG('s','h',' ',' '),	HB_TAG('B','O','S',' ')},	/* Serbo-Croatian [macrolanguage] -> Bosnian */
+  {HB_TAG('s','h',' ',' '),	HB_TAG('H','R','V',' ')},	/* Serbo-Croatian [macrolanguage] -> Croatian */
+  {HB_TAG('s','h',' ',' '),	HB_TAG('S','R','B',' ')},	/* Serbo-Croatian [macrolanguage] -> Serbian */
+  {HB_TAG('s','i',' ',' '),	HB_TAG('S','N','H',' ')},	/* Sinhala (Sinhalese) */
+  {HB_TAG('s','k',' ',' '),	HB_TAG('S','K','Y',' ')},	/* Slovak */
+  {HB_TAG('s','l',' ',' '),	HB_TAG('S','L','V',' ')},	/* Slovenian */
+  {HB_TAG('s','m',' ',' '),	HB_TAG('S','M','O',' ')},	/* Samoan */
+  {HB_TAG('s','n',' ',' '),	HB_TAG('S','N','A','0')},	/* Shona */
+  {HB_TAG('s','o',' ',' '),	HB_TAG('S','M','L',' ')},	/* Somali */
+  {HB_TAG('s','q',' ',' '),	HB_TAG('S','Q','I',' ')},	/* Albanian [macrolanguage] */
+  {HB_TAG('s','r',' ',' '),	HB_TAG('S','R','B',' ')},	/* Serbian */
+  {HB_TAG('s','s',' ',' '),	HB_TAG('S','W','Z',' ')},	/* Swati */
+  {HB_TAG('s','t',' ',' '),	HB_TAG('S','O','T',' ')},	/* Southern Sotho */
+  {HB_TAG('s','u',' ',' '),	HB_TAG('S','U','N',' ')},	/* Sundanese */
+  {HB_TAG('s','v',' ',' '),	HB_TAG('S','V','E',' ')},	/* Swedish */
+  {HB_TAG('s','w',' ',' '),	HB_TAG('S','W','K',' ')},	/* Swahili [macrolanguage] */
+  {HB_TAG('t','a',' ',' '),	HB_TAG('T','A','M',' ')},	/* Tamil */
+  {HB_TAG('t','e',' ',' '),	HB_TAG('T','E','L',' ')},	/* Telugu */
+  {HB_TAG('t','g',' ',' '),	HB_TAG('T','A','J',' ')},	/* Tajik -> Tajiki */
+  {HB_TAG('t','h',' ',' '),	HB_TAG('T','H','A',' ')},	/* Thai */
+  {HB_TAG('t','i',' ',' '),	HB_TAG('T','G','Y',' ')},	/* Tigrinya */
+  {HB_TAG('t','k',' ',' '),	HB_TAG('T','K','M',' ')},	/* Turkmen */
+  {HB_TAG('t','l',' ',' '),	HB_TAG('T','G','L',' ')},	/* Tagalog */
+  {HB_TAG('t','n',' ',' '),	HB_TAG('T','N','A',' ')},	/* Tswana */
+  {HB_TAG('t','o',' ',' '),	HB_TAG('T','G','N',' ')},	/* Tonga (Tonga Islands) -> Tongan */
+  {HB_TAG('t','r',' ',' '),	HB_TAG('T','R','K',' ')},	/* Turkish */
+  {HB_TAG('t','s',' ',' '),	HB_TAG('T','S','G',' ')},	/* Tsonga */
+  {HB_TAG('t','t',' ',' '),	HB_TAG('T','A','T',' ')},	/* Tatar */
+  {HB_TAG('t','w',' ',' '),	HB_TAG('T','W','I',' ')},	/* Twi */
+  {HB_TAG('t','w',' ',' '),	HB_TAG('A','K','A',' ')},	/* Twi -> Akan */
+  {HB_TAG('t','y',' ',' '),	HB_TAG('T','H','T',' ')},	/* Tahitian */
+  {HB_TAG('u','g',' ',' '),	HB_TAG('U','Y','G',' ')},	/* Uyghur */
+  {HB_TAG('u','k',' ',' '),	HB_TAG('U','K','R',' ')},	/* Ukrainian */
+  {HB_TAG('u','r',' ',' '),	HB_TAG('U','R','D',' ')},	/* Urdu */
+  {HB_TAG('u','z',' ',' '),	HB_TAG('U','Z','B',' ')},	/* Uzbek [macrolanguage] */
+  {HB_TAG('v','e',' ',' '),	HB_TAG('V','E','N',' ')},	/* Venda */
+  {HB_TAG('v','i',' ',' '),	HB_TAG('V','I','T',' ')},	/* Vietnamese */
+  {HB_TAG('v','o',' ',' '),	HB_TAG('V','O','L',' ')},	/* Volapük */
+  {HB_TAG('w','a',' ',' '),	HB_TAG('W','L','N',' ')},	/* Walloon */
+  {HB_TAG('w','o',' ',' '),	HB_TAG('W','L','F',' ')},	/* Wolof */
+  {HB_TAG('x','h',' ',' '),	HB_TAG('X','H','S',' ')},	/* Xhosa */
+  {HB_TAG('y','i',' ',' '),	HB_TAG('J','I','I',' ')},	/* Yiddish [macrolanguage] */
+  {HB_TAG('y','o',' ',' '),	HB_TAG('Y','B','A',' ')},	/* Yoruba */
+  {HB_TAG('z','a',' ',' '),	HB_TAG('Z','H','A',' ')},	/* Zhuang [macrolanguage] */
+  {HB_TAG('z','h',' ',' '),	HB_TAG('Z','H','S',' ')},	/* Chinese, Simplified [macrolanguage] */
+  {HB_TAG('z','u',' ',' '),	HB_TAG('Z','U','L',' ')},	/* Zulu */
 };
 
+#ifndef HB_NO_LANGUAGE_LONG
+static const LangTag ot_languages3[] = {
+  {HB_TAG('a','a','e',' '),	HB_TAG('S','Q','I',' ')},	/* Arbëreshë Albanian -> Albanian */
+  {HB_TAG('a','a','o',' '),	HB_TAG('A','R','A',' ')},	/* Algerian Saharan Arabic -> Arabic */
+  {HB_TAG('a','a','t',' '),	HB_TAG('S','Q','I',' ')},	/* Arvanitika Albanian -> Albanian */
+  {HB_TAG('a','b','a',' '),	HB_TAG_NONE	       },	/* Abé != Abaza */
+  {HB_TAG('a','b','h',' '),	HB_TAG('A','R','A',' ')},	/* Tajiki Arabic -> Arabic */
+  {HB_TAG('a','b','q',' '),	HB_TAG('A','B','A',' ')},	/* Abaza */
+  {HB_TAG('a','b','s',' '),	HB_TAG('C','P','P',' ')},	/* Ambonese Malay -> Creoles */
+  {HB_TAG('a','b','v',' '),	HB_TAG('A','R','A',' ')},	/* Baharna Arabic -> Arabic */
+  {HB_TAG('a','c','f',' '),	HB_TAG('F','A','N',' ')},	/* Saint Lucian Creole French -> French Antillean */
+  {HB_TAG('a','c','f',' '),	HB_TAG('C','P','P',' ')},	/* Saint Lucian Creole French -> Creoles */
+/*{HB_TAG('a','c','h',' '),	HB_TAG('A','C','H',' ')},*/	/* Acoli -> Acholi */
+  {HB_TAG('a','c','m',' '),	HB_TAG('A','R','A',' ')},	/* Mesopotamian Arabic -> Arabic */
+  {HB_TAG('a','c','q',' '),	HB_TAG('A','R','A',' ')},	/* Ta'izzi-Adeni Arabic -> Arabic */
+  {HB_TAG('a','c','r',' '),	HB_TAG('A','C','R',' ')},	/* Achi */
+  {HB_TAG('a','c','r',' '),	HB_TAG('M','Y','N',' ')},	/* Achi -> Mayan */
+  {HB_TAG('a','c','w',' '),	HB_TAG('A','R','A',' ')},	/* Hijazi Arabic -> Arabic */
+  {HB_TAG('a','c','x',' '),	HB_TAG('A','R','A',' ')},	/* Omani Arabic -> Arabic */
+  {HB_TAG('a','c','y',' '),	HB_TAG('A','R','A',' ')},	/* Cypriot Arabic -> Arabic */
+  {HB_TAG('a','d','a',' '),	HB_TAG('D','N','G',' ')},	/* Adangme -> Dangme */
+  {HB_TAG('a','d','f',' '),	HB_TAG('A','R','A',' ')},	/* Dhofari Arabic -> Arabic */
+  {HB_TAG('a','d','p',' '),	HB_TAG('D','Z','N',' ')},	/* Adap (retired code) -> Dzongkha */
+/*{HB_TAG('a','d','y',' '),	HB_TAG('A','D','Y',' ')},*/	/* Adyghe */
+  {HB_TAG('a','e','b',' '),	HB_TAG('A','R','A',' ')},	/* Tunisian Arabic -> Arabic */
+  {HB_TAG('a','e','c',' '),	HB_TAG('A','R','A',' ')},	/* Saidi Arabic -> Arabic */
+  {HB_TAG('a','f','b',' '),	HB_TAG('A','R','A',' ')},	/* Gulf Arabic -> Arabic */
+  {HB_TAG('a','f','k',' '),	HB_TAG_NONE	       },	/* Nanubae != Afrikaans */
+  {HB_TAG('a','f','s',' '),	HB_TAG('C','P','P',' ')},	/* Afro-Seminole Creole -> Creoles */
+  {HB_TAG('a','g','u',' '),	HB_TAG('M','Y','N',' ')},	/* Aguacateco -> Mayan */
+  {HB_TAG('a','g','w',' '),	HB_TAG_NONE	       },	/* Kahua != Agaw */
+  {HB_TAG('a','h','g',' '),	HB_TAG('A','G','W',' ')},	/* Qimant -> Agaw */
+  {HB_TAG('a','h','t',' '),	HB_TAG('A','T','H',' ')},	/* Ahtena -> Athapaskan */
+  {HB_TAG('a','i','g',' '),	HB_TAG('C','P','P',' ')},	/* Antigua and Barbuda Creole English -> Creoles */
+  {HB_TAG('a','i','i',' '),	HB_TAG('S','W','A',' ')},	/* Assyrian Neo-Aramaic -> Swadaya Aramaic */
+  {HB_TAG('a','i','i',' '),	HB_TAG('S','Y','R',' ')},	/* Assyrian Neo-Aramaic -> Syriac */
+/*{HB_TAG('a','i','o',' '),	HB_TAG('A','I','O',' ')},*/	/* Aiton */
+  {HB_TAG('a','i','w',' '),	HB_TAG('A','R','I',' ')},	/* Aari */
+  {HB_TAG('a','j','p',' '),	HB_TAG('A','R','A',' ')},	/* South Levantine Arabic -> Arabic */
+  {HB_TAG('a','j','t',' '),	HB_TAG('A','R','A',' ')},	/* Judeo-Tunisian Arabic (retired code) -> Arabic */
+  {HB_TAG('a','k','b',' '),	HB_TAG('A','K','B',' ')},	/* Batak Angkola */
+  {HB_TAG('a','k','b',' '),	HB_TAG('B','T','K',' ')},	/* Batak Angkola -> Batak */
+  {HB_TAG('a','l','n',' '),	HB_TAG('S','Q','I',' ')},	/* Gheg Albanian -> Albanian */
+  {HB_TAG('a','l','s',' '),	HB_TAG('S','Q','I',' ')},	/* Tosk Albanian -> Albanian */
+/*{HB_TAG('a','l','t',' '),	HB_TAG('A','L','T',' ')},*/	/* Southern Altai -> Altai */
+  {HB_TAG('a','m','f',' '),	HB_TAG('H','B','N',' ')},	/* Hamer-Banna -> Hammer-Banna */
+  {HB_TAG('a','m','w',' '),	HB_TAG('S','Y','R',' ')},	/* Western Neo-Aramaic -> Syriac */
+/*{HB_TAG('a','n','g',' '),	HB_TAG('A','N','G',' ')},*/	/* Old English (ca. 450-1100) -> Anglo-Saxon */
+  {HB_TAG('a','o','a',' '),	HB_TAG('C','P','P',' ')},	/* Angolar -> Creoles */
+  {HB_TAG('a','p','a',' '),	HB_TAG('A','T','H',' ')},	/* Apache [collection] -> Athapaskan */
+  {HB_TAG('a','p','c',' '),	HB_TAG('A','R','A',' ')},	/* North Levantine Arabic -> Arabic */
+  {HB_TAG('a','p','d',' '),	HB_TAG('A','R','A',' ')},	/* Sudanese Arabic -> Arabic */
+  {HB_TAG('a','p','j',' '),	HB_TAG('A','T','H',' ')},	/* Jicarilla Apache -> Athapaskan */
+  {HB_TAG('a','p','k',' '),	HB_TAG('A','T','H',' ')},	/* Kiowa Apache -> Athapaskan */
+  {HB_TAG('a','p','l',' '),	HB_TAG('A','T','H',' ')},	/* Lipan Apache -> Athapaskan */
+  {HB_TAG('a','p','m',' '),	HB_TAG('A','T','H',' ')},	/* Mescalero-Chiricahua Apache -> Athapaskan */
+  {HB_TAG('a','p','w',' '),	HB_TAG('A','T','H',' ')},	/* Western Apache -> Athapaskan */
+  {HB_TAG('a','r','b',' '),	HB_TAG('A','R','A',' ')},	/* Standard Arabic -> Arabic */
+  {HB_TAG('a','r','i',' '),	HB_TAG_NONE	       },	/* Arikara != Aari */
+  {HB_TAG('a','r','k',' '),	HB_TAG_NONE	       },	/* Arikapú != Rakhine */
+  {HB_TAG('a','r','n',' '),	HB_TAG('M','A','P',' ')},	/* Mapudungun */
+  {HB_TAG('a','r','q',' '),	HB_TAG('A','R','A',' ')},	/* Algerian Arabic -> Arabic */
+  {HB_TAG('a','r','s',' '),	HB_TAG('A','R','A',' ')},	/* Najdi Arabic -> Arabic */
+  {HB_TAG('a','r','y',' '),	HB_TAG('M','O','R',' ')},	/* Moroccan Arabic -> Moroccan */
+  {HB_TAG('a','r','y',' '),	HB_TAG('A','R','A',' ')},	/* Moroccan Arabic -> Arabic */
+  {HB_TAG('a','r','z',' '),	HB_TAG('A','R','A',' ')},	/* Egyptian Arabic -> Arabic */
+/*{HB_TAG('a','s','t',' '),	HB_TAG('A','S','T',' ')},*/	/* Asturian */
+/*{HB_TAG('a','t','h',' '),	HB_TAG('A','T','H',' ')},*/	/* Athapascan [collection] -> Athapaskan */
+  {HB_TAG('a','t','j',' '),	HB_TAG('R','C','R',' ')},	/* Atikamekw -> R-Cree */
+  {HB_TAG('a','t','v',' '),	HB_TAG('A','L','T',' ')},	/* Northern Altai -> Altai */
+  {HB_TAG('a','u','j',' '),	HB_TAG('B','B','R',' ')},	/* Awjilah -> Berber */
+  {HB_TAG('a','u','z',' '),	HB_TAG('A','R','A',' ')},	/* Uzbeki Arabic -> Arabic */
+  {HB_TAG('a','v','l',' '),	HB_TAG('A','R','A',' ')},	/* Eastern Egyptian Bedawi Arabic -> Arabic */
+/*{HB_TAG('a','v','n',' '),	HB_TAG('A','V','N',' ')},*/	/* Avatime */
+/*{HB_TAG('a','w','a',' '),	HB_TAG('A','W','A',' ')},*/	/* Awadhi */
+  {HB_TAG('a','y','c',' '),	HB_TAG('A','Y','M',' ')},	/* Southern Aymara -> Aymara */
+  {HB_TAG('a','y','h',' '),	HB_TAG('A','R','A',' ')},	/* Hadrami Arabic -> Arabic */
+  {HB_TAG('a','y','l',' '),	HB_TAG('A','R','A',' ')},	/* Libyan Arabic -> Arabic */
+  {HB_TAG('a','y','n',' '),	HB_TAG('A','R','A',' ')},	/* Sanaani Arabic -> Arabic */
+  {HB_TAG('a','y','p',' '),	HB_TAG('A','R','A',' ')},	/* North Mesopotamian Arabic -> Arabic */
+  {HB_TAG('a','y','r',' '),	HB_TAG('A','Y','M',' ')},	/* Central Aymara -> Aymara */
+  {HB_TAG('a','z','b',' '),	HB_TAG('A','Z','B',' ')},	/* South Azerbaijani -> Torki */
+  {HB_TAG('a','z','b',' '),	HB_TAG('A','Z','E',' ')},	/* South Azerbaijani -> Azerbaijani */
+  {HB_TAG('a','z','d',' '),	HB_TAG('N','A','H',' ')},	/* Eastern Durango Nahuatl -> Nahuatl */
+  {HB_TAG('a','z','j',' '),	HB_TAG('A','Z','E',' ')},	/* North Azerbaijani -> Azerbaijani */
+  {HB_TAG('a','z','n',' '),	HB_TAG('N','A','H',' ')},	/* Western Durango Nahuatl -> Nahuatl */
+  {HB_TAG('a','z','z',' '),	HB_TAG('N','A','H',' ')},	/* Highland Puebla Nahuatl -> Nahuatl */
+  {HB_TAG('b','a','d',' '),	HB_TAG('B','A','D','0')},	/* Banda [collection] */
+  {HB_TAG('b','a','g',' '),	HB_TAG_NONE	       },	/* Tuki != Baghelkhandi */
+  {HB_TAG('b','a','h',' '),	HB_TAG('C','P','P',' ')},	/* Bahamas Creole English -> Creoles */
+  {HB_TAG('b','a','i',' '),	HB_TAG('B','M','L',' ')},	/* Bamileke [collection] */
+  {HB_TAG('b','a','l',' '),	HB_TAG('B','L','I',' ')},	/* Baluchi [macrolanguage] */
+/*{HB_TAG('b','a','n',' '),	HB_TAG('B','A','N',' ')},*/	/* Balinese */
+/*{HB_TAG('b','a','r',' '),	HB_TAG('B','A','R',' ')},*/	/* Bavarian */
+  {HB_TAG('b','a','u',' '),	HB_TAG_NONE	       },	/* Bada (Nigeria) != Baulé */
+  {HB_TAG('b','b','c',' '),	HB_TAG('B','B','C',' ')},	/* Batak Toba */
+  {HB_TAG('b','b','c',' '),	HB_TAG('B','T','K',' ')},	/* Batak Toba -> Batak */
+  {HB_TAG('b','b','j',' '),	HB_TAG('B','M','L',' ')},	/* Ghomálá' -> Bamileke */
+  {HB_TAG('b','b','p',' '),	HB_TAG('B','A','D','0')},	/* West Central Banda -> Banda */
+  {HB_TAG('b','b','r',' '),	HB_TAG_NONE	       },	/* Girawa != Berber */
+  {HB_TAG('b','b','z',' '),	HB_TAG('A','R','A',' ')},	/* Babalia Creole Arabic (retired code) -> Arabic */
+  {HB_TAG('b','c','c',' '),	HB_TAG('B','L','I',' ')},	/* Southern Balochi -> Baluchi */
+  {HB_TAG('b','c','h',' '),	HB_TAG_NONE	       },	/* Bariai != Bench */
+  {HB_TAG('b','c','i',' '),	HB_TAG('B','A','U',' ')},	/* Baoulé -> Baulé */
+  {HB_TAG('b','c','l',' '),	HB_TAG('B','I','K',' ')},	/* Central Bikol -> Bikol */
+  {HB_TAG('b','c','q',' '),	HB_TAG('B','C','H',' ')},	/* Bench */
+  {HB_TAG('b','c','r',' '),	HB_TAG('A','T','H',' ')},	/* Babine -> Athapaskan */
+/*{HB_TAG('b','d','y',' '),	HB_TAG('B','D','Y',' ')},*/	/* Bandjalang */
+  {HB_TAG('b','e','a',' '),	HB_TAG('A','T','H',' ')},	/* Beaver -> Athapaskan */
+  {HB_TAG('b','e','b',' '),	HB_TAG('B','T','I',' ')},	/* Bebele -> Beti */
+/*{HB_TAG('b','e','m',' '),	HB_TAG('B','E','M',' ')},*/	/* Bemba (Zambia) */
+  {HB_TAG('b','e','r',' '),	HB_TAG('B','B','R',' ')},	/* Berber [collection] */
+  {HB_TAG('b','e','w',' '),	HB_TAG('C','P','P',' ')},	/* Betawi -> Creoles */
+  {HB_TAG('b','f','l',' '),	HB_TAG('B','A','D','0')},	/* Banda-Ndélé -> Banda */
+  {HB_TAG('b','f','q',' '),	HB_TAG('B','A','D',' ')},	/* Badaga */
+  {HB_TAG('b','f','t',' '),	HB_TAG('B','L','T',' ')},	/* Balti */
+  {HB_TAG('b','f','u',' '),	HB_TAG('L','A','H',' ')},	/* Gahri -> Lahuli */
+  {HB_TAG('b','f','y',' '),	HB_TAG('B','A','G',' ')},	/* Bagheli -> Baghelkhandi */
+/*{HB_TAG('b','g','c',' '),	HB_TAG('B','G','C',' ')},*/	/* Haryanvi */
+  {HB_TAG('b','g','n',' '),	HB_TAG('B','L','I',' ')},	/* Western Balochi -> Baluchi */
+  {HB_TAG('b','g','p',' '),	HB_TAG('B','L','I',' ')},	/* Eastern Balochi -> Baluchi */
+  {HB_TAG('b','g','q',' '),	HB_TAG('B','G','Q',' ')},	/* Bagri */
+  {HB_TAG('b','g','q',' '),	HB_TAG('R','A','J',' ')},	/* Bagri -> Rajasthani */
+  {HB_TAG('b','g','r',' '),	HB_TAG('Q','I','N',' ')},	/* Bawm Chin -> Chin */
+  {HB_TAG('b','h','b',' '),	HB_TAG('B','H','I',' ')},	/* Bhili */
+/*{HB_TAG('b','h','i',' '),	HB_TAG('B','H','I',' ')},*/	/* Bhilali -> Bhili */
+  {HB_TAG('b','h','k',' '),	HB_TAG('B','I','K',' ')},	/* Albay Bicolano (retired code) -> Bikol */
+/*{HB_TAG('b','h','o',' '),	HB_TAG('B','H','O',' ')},*/	/* Bhojpuri */
+  {HB_TAG('b','h','r',' '),	HB_TAG('M','L','G',' ')},	/* Bara Malagasy -> Malagasy */
+/*{HB_TAG('b','i','k',' '),	HB_TAG('B','I','K',' ')},*/	/* Bikol [macrolanguage] */
+  {HB_TAG('b','i','l',' '),	HB_TAG_NONE	       },	/* Bile != Bilen */
+  {HB_TAG('b','i','n',' '),	HB_TAG('E','D','O',' ')},	/* Edo */
+  {HB_TAG('b','i','u',' '),	HB_TAG('Q','I','N',' ')},	/* Biete -> Chin */
+/*{HB_TAG('b','j','j',' '),	HB_TAG('B','J','J',' ')},*/	/* Kanauji */
+  {HB_TAG('b','j','n',' '),	HB_TAG('M','L','Y',' ')},	/* Banjar -> Malay */
+  {HB_TAG('b','j','o',' '),	HB_TAG('B','A','D','0')},	/* Mid-Southern Banda -> Banda */
+  {HB_TAG('b','j','q',' '),	HB_TAG('M','L','G',' ')},	/* Southern Betsimisaraka Malagasy (retired code) -> Malagasy */
+  {HB_TAG('b','j','s',' '),	HB_TAG('C','P','P',' ')},	/* Bajan -> Creoles */
+  {HB_TAG('b','j','t',' '),	HB_TAG('B','L','N',' ')},	/* Balanta-Ganja -> Balante */
+  {HB_TAG('b','k','f',' '),	HB_TAG_NONE	       },	/* Beeke != Blackfoot */
+  {HB_TAG('b','k','o',' '),	HB_TAG('B','M','L',' ')},	/* Kwa' -> Bamileke */
+  {HB_TAG('b','l','a',' '),	HB_TAG('B','K','F',' ')},	/* Siksika -> Blackfoot */
+  {HB_TAG('b','l','e',' '),	HB_TAG('B','L','N',' ')},	/* Balanta-Kentohe -> Balante */
+  {HB_TAG('b','l','g',' '),	HB_TAG('I','B','A',' ')},	/* Balau (retired code) -> Iban */
+  {HB_TAG('b','l','i',' '),	HB_TAG_NONE	       },	/* Bolia != Baluchi */
+  {HB_TAG('b','l','k',' '),	HB_TAG('B','L','K',' ')},	/* Pa’o Karen */
+  {HB_TAG('b','l','k',' '),	HB_TAG('K','R','N',' ')},	/* Pa'o Karen -> Karen */
+  {HB_TAG('b','l','n',' '),	HB_TAG('B','I','K',' ')},	/* Southern Catanduanes Bikol -> Bikol */
+  {HB_TAG('b','l','t',' '),	HB_TAG_NONE	       },	/* Tai Dam != Balti */
+  {HB_TAG('b','m','b',' '),	HB_TAG_NONE	       },	/* Bembe != Bambara (Bamanankan) */
+  {HB_TAG('b','m','l',' '),	HB_TAG_NONE	       },	/* Bomboli != Bamileke */
+  {HB_TAG('b','m','m',' '),	HB_TAG('M','L','G',' ')},	/* Northern Betsimisaraka Malagasy -> Malagasy */
+  {HB_TAG('b','p','d',' '),	HB_TAG('B','A','D','0')},	/* Banda-Banda -> Banda */
+  {HB_TAG('b','p','l',' '),	HB_TAG('C','P','P',' ')},	/* Broome Pearling Lugger Pidgin -> Creoles */
+  {HB_TAG('b','p','q',' '),	HB_TAG('C','P','P',' ')},	/* Banda Malay -> Creoles */
+/*{HB_TAG('b','p','y',' '),	HB_TAG('B','P','Y',' ')},*/	/* Bishnupriya -> Bishnupriya Manipuri */
+  {HB_TAG('b','q','i',' '),	HB_TAG('L','R','C',' ')},	/* Bakhtiari -> Luri */
+  {HB_TAG('b','q','k',' '),	HB_TAG('B','A','D','0')},	/* Banda-Mbrès -> Banda */
+  {HB_TAG('b','r','a',' '),	HB_TAG('B','R','I',' ')},	/* Braj -> Braj Bhasha */
+  {HB_TAG('b','r','c',' '),	HB_TAG('C','P','P',' ')},	/* Berbice Creole Dutch -> Creoles */
+/*{HB_TAG('b','r','h',' '),	HB_TAG('B','R','H',' ')},*/	/* Brahui */
+  {HB_TAG('b','r','i',' '),	HB_TAG_NONE	       },	/* Mokpwe != Braj Bhasha */
+  {HB_TAG('b','r','m',' '),	HB_TAG_NONE	       },	/* Barambu != Burmese */
+/*{HB_TAG('b','r','x',' '),	HB_TAG('B','R','X',' ')},*/	/* Bodo (India) */
+  {HB_TAG('b','s','h',' '),	HB_TAG_NONE	       },	/* Kati != Bashkir */
+/*{HB_TAG('b','s','k',' '),	HB_TAG('B','S','K',' ')},*/	/* Burushaski */
+  {HB_TAG('b','t','b',' '),	HB_TAG('B','T','I',' ')},	/* Beti (Cameroon) (retired code) */
+  {HB_TAG('b','t','d',' '),	HB_TAG('B','T','D',' ')},	/* Batak Dairi (Pakpak) */
+  {HB_TAG('b','t','d',' '),	HB_TAG('B','T','K',' ')},	/* Batak Dairi -> Batak */
+  {HB_TAG('b','t','i',' '),	HB_TAG_NONE	       },	/* Burate != Beti */
+  {HB_TAG('b','t','j',' '),	HB_TAG('M','L','Y',' ')},	/* Bacanese Malay -> Malay */
+/*{HB_TAG('b','t','k',' '),	HB_TAG('B','T','K',' ')},*/	/* Batak [collection] */
+  {HB_TAG('b','t','m',' '),	HB_TAG('B','T','M',' ')},	/* Batak Mandailing */
+  {HB_TAG('b','t','m',' '),	HB_TAG('B','T','K',' ')},	/* Batak Mandailing -> Batak */
+  {HB_TAG('b','t','o',' '),	HB_TAG('B','I','K',' ')},	/* Rinconada Bikol -> Bikol */
+  {HB_TAG('b','t','s',' '),	HB_TAG('B','T','S',' ')},	/* Batak Simalungun */
+  {HB_TAG('b','t','s',' '),	HB_TAG('B','T','K',' ')},	/* Batak Simalungun -> Batak */
+  {HB_TAG('b','t','x',' '),	HB_TAG('B','T','X',' ')},	/* Batak Karo */
+  {HB_TAG('b','t','x',' '),	HB_TAG('B','T','K',' ')},	/* Batak Karo -> Batak */
+  {HB_TAG('b','t','z',' '),	HB_TAG('B','T','Z',' ')},	/* Batak Alas-Kluet */
+  {HB_TAG('b','t','z',' '),	HB_TAG('B','T','K',' ')},	/* Batak Alas-Kluet -> Batak */
+/*{HB_TAG('b','u','g',' '),	HB_TAG('B','U','G',' ')},*/	/* Buginese -> Bugis */
+  {HB_TAG('b','u','m',' '),	HB_TAG('B','T','I',' ')},	/* Bulu (Cameroon) -> Beti */
+  {HB_TAG('b','v','e',' '),	HB_TAG('M','L','Y',' ')},	/* Berau Malay -> Malay */
+  {HB_TAG('b','v','u',' '),	HB_TAG('M','L','Y',' ')},	/* Bukit Malay -> Malay */
+  {HB_TAG('b','w','e',' '),	HB_TAG('K','R','N',' ')},	/* Bwe Karen -> Karen */
+  {HB_TAG('b','x','k',' '),	HB_TAG('L','U','H',' ')},	/* Bukusu -> Luyia */
+  {HB_TAG('b','x','o',' '),	HB_TAG('C','P','P',' ')},	/* Barikanchi -> Creoles */
+  {HB_TAG('b','x','p',' '),	HB_TAG('B','T','I',' ')},	/* Bebil -> Beti */
+  {HB_TAG('b','x','r',' '),	HB_TAG('R','B','U',' ')},	/* Russia Buriat -> Russian Buriat */
+  {HB_TAG('b','y','n',' '),	HB_TAG('B','I','L',' ')},	/* Bilin -> Bilen */
+  {HB_TAG('b','y','v',' '),	HB_TAG('B','Y','V',' ')},	/* Medumba */
+  {HB_TAG('b','y','v',' '),	HB_TAG('B','M','L',' ')},	/* Medumba -> Bamileke */
+  {HB_TAG('b','z','c',' '),	HB_TAG('M','L','G',' ')},	/* Southern Betsimisaraka Malagasy -> Malagasy */
+  {HB_TAG('b','z','j',' '),	HB_TAG('C','P','P',' ')},	/* Belize Kriol English -> Creoles */
+  {HB_TAG('b','z','k',' '),	HB_TAG('C','P','P',' ')},	/* Nicaragua Creole English -> Creoles */
+  {HB_TAG('c','a','a',' '),	HB_TAG('M','Y','N',' ')},	/* Chortí -> Mayan */
+  {HB_TAG('c','a','c',' '),	HB_TAG('M','Y','N',' ')},	/* Chuj -> Mayan */
+  {HB_TAG('c','a','f',' '),	HB_TAG('C','R','R',' ')},	/* Southern Carrier -> Carrier */
+  {HB_TAG('c','a','f',' '),	HB_TAG('A','T','H',' ')},	/* Southern Carrier -> Athapaskan */
+  {HB_TAG('c','a','k',' '),	HB_TAG('C','A','K',' ')},	/* Kaqchikel */
+  {HB_TAG('c','a','k',' '),	HB_TAG('M','Y','N',' ')},	/* Kaqchikel -> Mayan */
+  {HB_TAG('c','b','k',' '),	HB_TAG('C','B','K',' ')},	/* Chavacano -> Zamboanga Chavacano */
+  {HB_TAG('c','b','k',' '),	HB_TAG('C','P','P',' ')},	/* Chavacano -> Creoles */
+  {HB_TAG('c','b','l',' '),	HB_TAG('Q','I','N',' ')},	/* Bualkhaw Chin -> Chin */
+  {HB_TAG('c','c','l',' '),	HB_TAG('C','P','P',' ')},	/* Cutchi-Swahili -> Creoles */
+  {HB_TAG('c','c','m',' '),	HB_TAG('C','P','P',' ')},	/* Malaccan Creole Malay -> Creoles */
+  {HB_TAG('c','c','o',' '),	HB_TAG('C','C','H','N')},	/* Comaltepec Chinantec -> Chinantec */
+  {HB_TAG('c','c','q',' '),	HB_TAG('A','R','K',' ')},	/* Chaungtha (retired code) -> Rakhine */
+  {HB_TAG('c','d','o',' '),	HB_TAG('Z','H','S',' ')},	/* Min Dong Chinese -> Chinese, Simplified */
+/*{HB_TAG('c','e','b',' '),	HB_TAG('C','E','B',' ')},*/	/* Cebuano */
+  {HB_TAG('c','e','k',' '),	HB_TAG('Q','I','N',' ')},	/* Eastern Khumi Chin -> Chin */
+  {HB_TAG('c','e','y',' '),	HB_TAG('Q','I','N',' ')},	/* Ekai Chin -> Chin */
+  {HB_TAG('c','f','m',' '),	HB_TAG('H','A','L',' ')},	/* Halam (Falam Chin) */
+  {HB_TAG('c','f','m',' '),	HB_TAG('Q','I','N',' ')},	/* Falam Chin -> Chin */
+/*{HB_TAG('c','g','g',' '),	HB_TAG('C','G','G',' ')},*/	/* Chiga */
+  {HB_TAG('c','h','f',' '),	HB_TAG('M','Y','N',' ')},	/* Tabasco Chontal -> Mayan */
+  {HB_TAG('c','h','g',' '),	HB_TAG_NONE	       },	/* Chagatai != Chaha Gurage */
+  {HB_TAG('c','h','h',' '),	HB_TAG_NONE	       },	/* Chinook != Chattisgarhi */
+  {HB_TAG('c','h','j',' '),	HB_TAG('C','C','H','N')},	/* Ojitlán Chinantec -> Chinantec */
+  {HB_TAG('c','h','k',' '),	HB_TAG('C','H','K','0')},	/* Chuukese */
+  {HB_TAG('c','h','m',' '),	HB_TAG('H','M','A',' ')},	/* Mari (Russia) [macrolanguage] -> High Mari */
+  {HB_TAG('c','h','m',' '),	HB_TAG('L','M','A',' ')},	/* Mari (Russia) [macrolanguage] -> Low Mari */
+  {HB_TAG('c','h','n',' '),	HB_TAG('C','P','P',' ')},	/* Chinook jargon -> Creoles */
+/*{HB_TAG('c','h','o',' '),	HB_TAG('C','H','O',' ')},*/	/* Choctaw */
+  {HB_TAG('c','h','p',' '),	HB_TAG('C','H','P',' ')},	/* Chipewyan */
+  {HB_TAG('c','h','p',' '),	HB_TAG('S','A','Y',' ')},	/* Chipewyan -> Sayisi */
+  {HB_TAG('c','h','p',' '),	HB_TAG('A','T','H',' ')},	/* Chipewyan -> Athapaskan */
+  {HB_TAG('c','h','q',' '),	HB_TAG('C','C','H','N')},	/* Quiotepec Chinantec -> Chinantec */
+/*{HB_TAG('c','h','r',' '),	HB_TAG('C','H','R',' ')},*/	/* Cherokee */
+/*{HB_TAG('c','h','y',' '),	HB_TAG('C','H','Y',' ')},*/	/* Cheyenne */
+  {HB_TAG('c','h','z',' '),	HB_TAG('C','C','H','N')},	/* Ozumacín Chinantec -> Chinantec */
+  {HB_TAG('c','i','w',' '),	HB_TAG('O','J','B',' ')},	/* Chippewa -> Ojibway */
+/*{HB_TAG('c','j','a',' '),	HB_TAG('C','J','A',' ')},*/	/* Western Cham */
+/*{HB_TAG('c','j','m',' '),	HB_TAG('C','J','M',' ')},*/	/* Eastern Cham */
+  {HB_TAG('c','j','y',' '),	HB_TAG('Z','H','S',' ')},	/* Jinyu Chinese -> Chinese, Simplified */
+  {HB_TAG('c','k','a',' '),	HB_TAG('Q','I','N',' ')},	/* Khumi Awa Chin (retired code) -> Chin */
+  {HB_TAG('c','k','b',' '),	HB_TAG('K','U','R',' ')},	/* Central Kurdish -> Kurdish */
+  {HB_TAG('c','k','n',' '),	HB_TAG('Q','I','N',' ')},	/* Kaang Chin -> Chin */
+  {HB_TAG('c','k','s',' '),	HB_TAG('C','P','P',' ')},	/* Tayo -> Creoles */
+  {HB_TAG('c','k','t',' '),	HB_TAG('C','H','K',' ')},	/* Chukot -> Chukchi */
+  {HB_TAG('c','k','z',' '),	HB_TAG('M','Y','N',' ')},	/* Cakchiquel-Quiché Mixed Language -> Mayan */
+  {HB_TAG('c','l','c',' '),	HB_TAG('A','T','H',' ')},	/* Chilcotin -> Athapaskan */
+  {HB_TAG('c','l','d',' '),	HB_TAG('S','Y','R',' ')},	/* Chaldean Neo-Aramaic -> Syriac */
+  {HB_TAG('c','l','e',' '),	HB_TAG('C','C','H','N')},	/* Lealao Chinantec -> Chinantec */
+  {HB_TAG('c','l','j',' '),	HB_TAG('Q','I','N',' ')},	/* Laitu Chin -> Chin */
+  {HB_TAG('c','l','t',' '),	HB_TAG('Q','I','N',' ')},	/* Lautu Chin -> Chin */
+  {HB_TAG('c','m','n',' '),	HB_TAG('Z','H','S',' ')},	/* Mandarin Chinese -> Chinese, Simplified */
+  {HB_TAG('c','m','r',' '),	HB_TAG('Q','I','N',' ')},	/* Mro-Khimi Chin -> Chin */
+  {HB_TAG('c','n','b',' '),	HB_TAG('Q','I','N',' ')},	/* Chinbon Chin -> Chin */
+  {HB_TAG('c','n','h',' '),	HB_TAG('Q','I','N',' ')},	/* Hakha Chin -> Chin */
+  {HB_TAG('c','n','k',' '),	HB_TAG('Q','I','N',' ')},	/* Khumi Chin -> Chin */
+  {HB_TAG('c','n','l',' '),	HB_TAG('C','C','H','N')},	/* Lalana Chinantec -> Chinantec */
+  {HB_TAG('c','n','p',' '),	HB_TAG('Z','H','S',' ')},	/* Northern Ping Chinese -> Chinese, Simplified */
+  {HB_TAG('c','n','r',' '),	HB_TAG('S','R','B',' ')},	/* Montenegrin -> Serbian */
+  {HB_TAG('c','n','t',' '),	HB_TAG('C','C','H','N')},	/* Tepetotutla Chinantec -> Chinantec */
+  {HB_TAG('c','n','u',' '),	HB_TAG('B','B','R',' ')},	/* Chenoua -> Berber */
+  {HB_TAG('c','n','w',' '),	HB_TAG('Q','I','N',' ')},	/* Ngawn Chin -> Chin */
+  {HB_TAG('c','o','a',' '),	HB_TAG('M','L','Y',' ')},	/* Cocos Islands Malay -> Malay */
+  {HB_TAG('c','o','b',' '),	HB_TAG('M','Y','N',' ')},	/* Chicomuceltec -> Mayan */
+/*{HB_TAG('c','o','p',' '),	HB_TAG('C','O','P',' ')},*/	/* Coptic */
+  {HB_TAG('c','o','q',' '),	HB_TAG('A','T','H',' ')},	/* Coquille -> Athapaskan */
+  {HB_TAG('c','p','a',' '),	HB_TAG('C','C','H','N')},	/* Palantla Chinantec -> Chinantec */
+  {HB_TAG('c','p','e',' '),	HB_TAG('C','P','P',' ')},	/* English-based creoles and pidgins [collection] -> Creoles */
+  {HB_TAG('c','p','f',' '),	HB_TAG('C','P','P',' ')},	/* French-based creoles and pidgins [collection] -> Creoles */
+  {HB_TAG('c','p','i',' '),	HB_TAG('C','P','P',' ')},	/* Chinese Pidgin English -> Creoles */
+/*{HB_TAG('c','p','p',' '),	HB_TAG('C','P','P',' ')},*/	/* Portuguese-based creoles and pidgins [collection] -> Creoles */
+  {HB_TAG('c','p','x',' '),	HB_TAG('Z','H','S',' ')},	/* Pu-Xian Chinese -> Chinese, Simplified */
+  {HB_TAG('c','q','d',' '),	HB_TAG('H','M','N',' ')},	/* Chuanqiandian Cluster Miao -> Hmong */
+  {HB_TAG('c','q','u',' '),	HB_TAG('Q','U','H',' ')},	/* Chilean Quechua (retired code) -> Quechua (Bolivia) */
+  {HB_TAG('c','q','u',' '),	HB_TAG('Q','U','Z',' ')},	/* Chilean Quechua (retired code) -> Quechua */
+  {HB_TAG('c','r','h',' '),	HB_TAG('C','R','T',' ')},	/* Crimean Tatar */
+  {HB_TAG('c','r','i',' '),	HB_TAG('C','P','P',' ')},	/* Sãotomense -> Creoles */
+  {HB_TAG('c','r','j',' '),	HB_TAG('E','C','R',' ')},	/* Southern East Cree -> Eastern Cree */
+  {HB_TAG('c','r','j',' '),	HB_TAG('Y','C','R',' ')},	/* Southern East Cree -> Y-Cree */
+  {HB_TAG('c','r','j',' '),	HB_TAG('C','R','E',' ')},	/* Southern East Cree -> Cree */
+  {HB_TAG('c','r','k',' '),	HB_TAG('W','C','R',' ')},	/* Plains Cree -> West-Cree */
+  {HB_TAG('c','r','k',' '),	HB_TAG('Y','C','R',' ')},	/* Plains Cree -> Y-Cree */
+  {HB_TAG('c','r','k',' '),	HB_TAG('C','R','E',' ')},	/* Plains Cree -> Cree */
+  {HB_TAG('c','r','l',' '),	HB_TAG('E','C','R',' ')},	/* Northern East Cree -> Eastern Cree */
+  {HB_TAG('c','r','l',' '),	HB_TAG('Y','C','R',' ')},	/* Northern East Cree -> Y-Cree */
+  {HB_TAG('c','r','l',' '),	HB_TAG('C','R','E',' ')},	/* Northern East Cree -> Cree */
+  {HB_TAG('c','r','m',' '),	HB_TAG('M','C','R',' ')},	/* Moose Cree */
+  {HB_TAG('c','r','m',' '),	HB_TAG('L','C','R',' ')},	/* Moose Cree -> L-Cree */
+  {HB_TAG('c','r','m',' '),	HB_TAG('C','R','E',' ')},	/* Moose Cree -> Cree */
+  {HB_TAG('c','r','p',' '),	HB_TAG('C','P','P',' ')},	/* Creoles and pidgins [collection] -> Creoles */
+  {HB_TAG('c','r','r',' '),	HB_TAG_NONE	       },	/* Carolina Algonquian != Carrier */
+  {HB_TAG('c','r','s',' '),	HB_TAG('C','P','P',' ')},	/* Seselwa Creole French -> Creoles */
+  {HB_TAG('c','r','t',' '),	HB_TAG_NONE	       },	/* Iyojwa'ja Chorote != Crimean Tatar */
+  {HB_TAG('c','r','x',' '),	HB_TAG('C','R','R',' ')},	/* Carrier */
+  {HB_TAG('c','r','x',' '),	HB_TAG('A','T','H',' ')},	/* Carrier -> Athapaskan */
+  {HB_TAG('c','s','a',' '),	HB_TAG('C','C','H','N')},	/* Chiltepec Chinantec -> Chinantec */
+/*{HB_TAG('c','s','b',' '),	HB_TAG('C','S','B',' ')},*/	/* Kashubian */
+  {HB_TAG('c','s','h',' '),	HB_TAG('Q','I','N',' ')},	/* Asho Chin -> Chin */
+  {HB_TAG('c','s','j',' '),	HB_TAG('Q','I','N',' ')},	/* Songlai Chin -> Chin */
+  {HB_TAG('c','s','l',' '),	HB_TAG_NONE	       },	/* Chinese Sign Language != Church Slavonic */
+  {HB_TAG('c','s','o',' '),	HB_TAG('C','C','H','N')},	/* Sochiapam Chinantec -> Chinantec */
+  {HB_TAG('c','s','p',' '),	HB_TAG('Z','H','S',' ')},	/* Southern Ping Chinese -> Chinese, Simplified */
+  {HB_TAG('c','s','v',' '),	HB_TAG('Q','I','N',' ')},	/* Sumtu Chin -> Chin */
+  {HB_TAG('c','s','w',' '),	HB_TAG('N','C','R',' ')},	/* Swampy Cree -> N-Cree */
+  {HB_TAG('c','s','w',' '),	HB_TAG('N','H','C',' ')},	/* Swampy Cree -> Norway House Cree */
+  {HB_TAG('c','s','w',' '),	HB_TAG('C','R','E',' ')},	/* Swampy Cree -> Cree */
+  {HB_TAG('c','s','y',' '),	HB_TAG('Q','I','N',' ')},	/* Siyin Chin -> Chin */
+  {HB_TAG('c','t','c',' '),	HB_TAG('A','T','H',' ')},	/* Chetco -> Athapaskan */
+  {HB_TAG('c','t','d',' '),	HB_TAG('Q','I','N',' ')},	/* Tedim Chin -> Chin */
+  {HB_TAG('c','t','e',' '),	HB_TAG('C','C','H','N')},	/* Tepinapa Chinantec -> Chinantec */
+/*{HB_TAG('c','t','g',' '),	HB_TAG('C','T','G',' ')},*/	/* Chittagonian */
+  {HB_TAG('c','t','h',' '),	HB_TAG('Q','I','N',' ')},	/* Thaiphum Chin -> Chin */
+  {HB_TAG('c','t','l',' '),	HB_TAG('C','C','H','N')},	/* Tlacoatzintepec Chinantec -> Chinantec */
+  {HB_TAG('c','t','s',' '),	HB_TAG('B','I','K',' ')},	/* Northern Catanduanes Bikol -> Bikol */
+/*{HB_TAG('c','t','t',' '),	HB_TAG('C','T','T',' ')},*/	/* Wayanad Chetti */
+  {HB_TAG('c','t','u',' '),	HB_TAG('M','Y','N',' ')},	/* Chol -> Mayan */
+  {HB_TAG('c','u','c',' '),	HB_TAG('C','C','H','N')},	/* Usila Chinantec -> Chinantec */
+/*{HB_TAG('c','u','k',' '),	HB_TAG('C','U','K',' ')},*/	/* San Blas Kuna */
+  {HB_TAG('c','v','n',' '),	HB_TAG('C','C','H','N')},	/* Valle Nacional Chinantec -> Chinantec */
+  {HB_TAG('c','w','d',' '),	HB_TAG('D','C','R',' ')},	/* Woods Cree */
+  {HB_TAG('c','w','d',' '),	HB_TAG('T','C','R',' ')},	/* Woods Cree -> TH-Cree */
+  {HB_TAG('c','w','d',' '),	HB_TAG('C','R','E',' ')},	/* Woods Cree -> Cree */
+  {HB_TAG('c','z','h',' '),	HB_TAG('Z','H','S',' ')},	/* Huizhou Chinese -> Chinese, Simplified */
+  {HB_TAG('c','z','o',' '),	HB_TAG('Z','H','S',' ')},	/* Min Zhong Chinese -> Chinese, Simplified */
+  {HB_TAG('c','z','t',' '),	HB_TAG('Q','I','N',' ')},	/* Zotung Chin -> Chin */
+/*{HB_TAG('d','a','g',' '),	HB_TAG('D','A','G',' ')},*/	/* Dagbani */
+  {HB_TAG('d','a','o',' '),	HB_TAG('Q','I','N',' ')},	/* Daai Chin -> Chin */
+  {HB_TAG('d','a','p',' '),	HB_TAG('N','I','S',' ')},	/* Nisi (India) (retired code) */
+/*{HB_TAG('d','a','r',' '),	HB_TAG('D','A','R',' ')},*/	/* Dargwa */
+/*{HB_TAG('d','a','x',' '),	HB_TAG('D','A','X',' ')},*/	/* Dayi */
+  {HB_TAG('d','c','r',' '),	HB_TAG('C','P','P',' ')},	/* Negerhollands -> Creoles */
+  {HB_TAG('d','e','n',' '),	HB_TAG('S','L','A',' ')},	/* Slave (Athapascan) [macrolanguage] -> Slavey */
+  {HB_TAG('d','e','n',' '),	HB_TAG('A','T','H',' ')},	/* Slave (Athapascan) [macrolanguage] -> Athapaskan */
+  {HB_TAG('d','e','p',' '),	HB_TAG('C','P','P',' ')},	/* Pidgin Delaware -> Creoles */
+  {HB_TAG('d','g','o',' '),	HB_TAG('D','G','O',' ')},	/* Dogri (individual language) */
+  {HB_TAG('d','g','o',' '),	HB_TAG('D','G','R',' ')},	/* Dogri (macrolanguage) */
+  {HB_TAG('d','g','r',' '),	HB_TAG('A','T','H',' ')},	/* Dogrib -> Athapaskan */
+  {HB_TAG('d','h','d',' '),	HB_TAG('M','A','W',' ')},	/* Dhundari -> Marwari */
+/*{HB_TAG('d','h','g',' '),	HB_TAG('D','H','G',' ')},*/	/* Dhangu */
+  {HB_TAG('d','h','v',' '),	HB_TAG_NONE	       },	/* Dehu != Divehi (Dhivehi, Maldivian) (deprecated) */
+  {HB_TAG('d','i','b',' '),	HB_TAG('D','N','K',' ')},	/* South Central Dinka -> Dinka */
+  {HB_TAG('d','i','k',' '),	HB_TAG('D','N','K',' ')},	/* Southwestern Dinka -> Dinka */
+  {HB_TAG('d','i','n',' '),	HB_TAG('D','N','K',' ')},	/* Dinka [macrolanguage] */
+  {HB_TAG('d','i','p',' '),	HB_TAG('D','N','K',' ')},	/* Northeastern Dinka -> Dinka */
+  {HB_TAG('d','i','q',' '),	HB_TAG('D','I','Q',' ')},	/* Dimli */
+  {HB_TAG('d','i','q',' '),	HB_TAG('Z','Z','A',' ')},	/* Dimli -> Zazaki */
+  {HB_TAG('d','i','w',' '),	HB_TAG('D','N','K',' ')},	/* Northwestern Dinka -> Dinka */
+  {HB_TAG('d','j','e',' '),	HB_TAG('D','J','R',' ')},	/* Zarma */
+  {HB_TAG('d','j','k',' '),	HB_TAG('C','P','P',' ')},	/* Eastern Maroon Creole -> Creoles */
+  {HB_TAG('d','j','r',' '),	HB_TAG('D','J','R','0')},	/* Djambarrpuyngu */
+  {HB_TAG('d','k','s',' '),	HB_TAG('D','N','K',' ')},	/* Southeastern Dinka -> Dinka */
+  {HB_TAG('d','n','g',' '),	HB_TAG('D','U','N',' ')},	/* Dungan */
+/*{HB_TAG('d','n','j',' '),	HB_TAG('D','N','J',' ')},*/	/* Dan */
+  {HB_TAG('d','n','k',' '),	HB_TAG_NONE	       },	/* Dengka != Dinka */
+  {HB_TAG('d','o','i',' '),	HB_TAG('D','G','R',' ')},	/* Dogri (macrolanguage) [macrolanguage] */
+  {HB_TAG('d','r','h',' '),	HB_TAG('M','N','G',' ')},	/* Darkhat (retired code) -> Mongolian */
+  {HB_TAG('d','r','i',' '),	HB_TAG_NONE	       },	/* C'Lela != Dari */
+  {HB_TAG('d','r','w',' '),	HB_TAG('D','R','I',' ')},	/* Darwazi (retired code) -> Dari */
+  {HB_TAG('d','r','w',' '),	HB_TAG('F','A','R',' ')},	/* Darwazi (retired code) -> Persian */
+  {HB_TAG('d','s','b',' '),	HB_TAG('L','S','B',' ')},	/* Lower Sorbian */
+  {HB_TAG('d','t','y',' '),	HB_TAG('N','E','P',' ')},	/* Dotyali -> Nepali */
+/*{HB_TAG('d','u','j',' '),	HB_TAG('D','U','J',' ')},*/	/* Dhuwal (retired code) */
+  {HB_TAG('d','u','n',' '),	HB_TAG_NONE	       },	/* Dusun Deyah != Dungan */
+  {HB_TAG('d','u','p',' '),	HB_TAG('M','L','Y',' ')},	/* Duano -> Malay */
+  {HB_TAG('d','w','k',' '),	HB_TAG('K','U','I',' ')},	/* Dawik Kui -> Kui */
+  {HB_TAG('d','w','u',' '),	HB_TAG('D','U','J',' ')},	/* Dhuwal */
+  {HB_TAG('d','w','y',' '),	HB_TAG('D','U','J',' ')},	/* Dhuwaya -> Dhuwal */
+  {HB_TAG('d','y','u',' '),	HB_TAG('J','U','L',' ')},	/* Dyula -> Jula */
+  {HB_TAG('d','z','n',' '),	HB_TAG_NONE	       },	/* Dzando != Dzongkha */
+  {HB_TAG('e','c','r',' '),	HB_TAG_NONE	       },	/* Eteocretan != Eastern Cree */
+/*{HB_TAG('e','f','i',' '),	HB_TAG('E','F','I',' ')},*/	/* Efik */
+  {HB_TAG('e','k','k',' '),	HB_TAG('E','T','I',' ')},	/* Standard Estonian -> Estonian */
+  {HB_TAG('e','k','y',' '),	HB_TAG('K','R','N',' ')},	/* Eastern Kayah -> Karen */
+  {HB_TAG('e','m','k',' '),	HB_TAG('E','M','K',' ')},	/* Eastern Maninkakan */
+  {HB_TAG('e','m','k',' '),	HB_TAG('M','N','K',' ')},	/* Eastern Maninkakan -> Maninka */
+  {HB_TAG('e','m','y',' '),	HB_TAG('M','Y','N',' ')},	/* Epigraphic Mayan -> Mayan */
+  {HB_TAG('e','n','b',' '),	HB_TAG('K','A','L',' ')},	/* Markweeta -> Kalenjin */
+  {HB_TAG('e','n','f',' '),	HB_TAG('F','N','E',' ')},	/* Forest Enets */
+  {HB_TAG('e','n','h',' '),	HB_TAG('T','N','E',' ')},	/* Tundra Enets */
+  {HB_TAG('e','s','g',' '),	HB_TAG('G','O','N',' ')},	/* Aheri Gondi -> Gondi */
+  {HB_TAG('e','s','i',' '),	HB_TAG('I','P','K',' ')},	/* North Alaskan Inupiatun -> Inupiat */
+  {HB_TAG('e','s','k',' '),	HB_TAG('I','P','K',' ')},	/* Northwest Alaska Inupiatun -> Inupiat */
+/*{HB_TAG('e','s','u',' '),	HB_TAG('E','S','U',' ')},*/	/* Central Yupik */
+  {HB_TAG('e','t','o',' '),	HB_TAG('B','T','I',' ')},	/* Eton (Cameroon) -> Beti */
+  {HB_TAG('e','u','q',' '),	HB_TAG_NONE	       },	/* Basque [collection] != Basque */
+  {HB_TAG('e','v','e',' '),	HB_TAG('E','V','N',' ')},	/* Even */
+  {HB_TAG('e','v','n',' '),	HB_TAG('E','V','K',' ')},	/* Evenki */
+  {HB_TAG('e','w','o',' '),	HB_TAG('B','T','I',' ')},	/* Ewondo -> Beti */
+  {HB_TAG('e','y','o',' '),	HB_TAG('K','A','L',' ')},	/* Keiyo -> Kalenjin */
+  {HB_TAG('f','a','b',' '),	HB_TAG('C','P','P',' ')},	/* Fa d'Ambu -> Creoles */
+  {HB_TAG('f','a','n',' '),	HB_TAG('F','A','N','0')},	/* Fang (Equatorial Guinea) */
+  {HB_TAG('f','a','n',' '),	HB_TAG('B','T','I',' ')},	/* Fang (Equatorial Guinea) -> Beti */
+  {HB_TAG('f','a','r',' '),	HB_TAG_NONE	       },	/* Fataleka != Persian */
+  {HB_TAG('f','a','t',' '),	HB_TAG('F','A','T',' ')},	/* Fanti */
+  {HB_TAG('f','a','t',' '),	HB_TAG('A','K','A',' ')},	/* Fanti -> Akan */
+  {HB_TAG('f','b','l',' '),	HB_TAG('B','I','K',' ')},	/* West Albay Bikol -> Bikol */
+  {HB_TAG('f','f','m',' '),	HB_TAG('F','U','L',' ')},	/* Maasina Fulfulde -> Fulah */
+  {HB_TAG('f','i','l',' '),	HB_TAG('P','I','L',' ')},	/* Filipino */
+  {HB_TAG('f','l','m',' '),	HB_TAG('H','A','L',' ')},	/* Halam (Falam Chin) (retired code) */
+  {HB_TAG('f','l','m',' '),	HB_TAG('Q','I','N',' ')},	/* Falam Chin (retired code) -> Chin */
+  {HB_TAG('f','m','p',' '),	HB_TAG('F','M','P',' ')},	/* Fe’fe’ */
+  {HB_TAG('f','m','p',' '),	HB_TAG('B','M','L',' ')},	/* Fe'fe' -> Bamileke */
+  {HB_TAG('f','n','g',' '),	HB_TAG('C','P','P',' ')},	/* Fanagalo -> Creoles */
+/*{HB_TAG('f','o','n',' '),	HB_TAG('F','O','N',' ')},*/	/* Fon */
+  {HB_TAG('f','o','s',' '),	HB_TAG_NONE	       },	/* Siraya != Faroese */
+  {HB_TAG('f','p','e',' '),	HB_TAG('C','P','P',' ')},	/* Fernando Po Creole English -> Creoles */
+/*{HB_TAG('f','r','c',' '),	HB_TAG('F','R','C',' ')},*/	/* Cajun French */
+/*{HB_TAG('f','r','p',' '),	HB_TAG('F','R','P',' ')},*/	/* Arpitan */
+  {HB_TAG('f','u','b',' '),	HB_TAG('F','U','L',' ')},	/* Adamawa Fulfulde -> Fulah */
+  {HB_TAG('f','u','c',' '),	HB_TAG('F','U','L',' ')},	/* Pulaar -> Fulah */
+  {HB_TAG('f','u','e',' '),	HB_TAG('F','U','L',' ')},	/* Borgu Fulfulde -> Fulah */
+  {HB_TAG('f','u','f',' '),	HB_TAG('F','T','A',' ')},	/* Pular -> Futa */
+  {HB_TAG('f','u','f',' '),	HB_TAG('F','U','L',' ')},	/* Pular -> Fulah */
+  {HB_TAG('f','u','h',' '),	HB_TAG('F','U','L',' ')},	/* Western Niger Fulfulde -> Fulah */
+  {HB_TAG('f','u','i',' '),	HB_TAG('F','U','L',' ')},	/* Bagirmi Fulfulde -> Fulah */
+  {HB_TAG('f','u','q',' '),	HB_TAG('F','U','L',' ')},	/* Central-Eastern Niger Fulfulde -> Fulah */
+  {HB_TAG('f','u','r',' '),	HB_TAG('F','R','L',' ')},	/* Friulian */
+  {HB_TAG('f','u','v',' '),	HB_TAG('F','U','V',' ')},	/* Nigerian Fulfulde */
+  {HB_TAG('f','u','v',' '),	HB_TAG('F','U','L',' ')},	/* Nigerian Fulfulde -> Fulah */
+  {HB_TAG('g','a','a',' '),	HB_TAG('G','A','D',' ')},	/* Ga */
+  {HB_TAG('g','a','c',' '),	HB_TAG('C','P','P',' ')},	/* Mixed Great Andamanese -> Creoles */
+  {HB_TAG('g','a','d',' '),	HB_TAG_NONE	       },	/* Gaddang != Ga */
+  {HB_TAG('g','a','e',' '),	HB_TAG_NONE	       },	/* Guarequena != Scottish Gaelic (Gaelic) */
+/*{HB_TAG('g','a','g',' '),	HB_TAG('G','A','G',' ')},*/	/* Gagauz */
+  {HB_TAG('g','a','l',' '),	HB_TAG_NONE	       },	/* Galolen != Galician */
+  {HB_TAG('g','a','n',' '),	HB_TAG('Z','H','S',' ')},	/* Gan Chinese -> Chinese, Simplified */
+  {HB_TAG('g','a','r',' '),	HB_TAG_NONE	       },	/* Galeya != Garshuni */
+  {HB_TAG('g','a','w',' '),	HB_TAG_NONE	       },	/* Nobonob != Garhwali */
+  {HB_TAG('g','a','x',' '),	HB_TAG('O','R','O',' ')},	/* Borana-Arsi-Guji Oromo -> Oromo */
+  {HB_TAG('g','a','z',' '),	HB_TAG('O','R','O',' ')},	/* West Central Oromo -> Oromo */
+  {HB_TAG('g','b','m',' '),	HB_TAG('G','A','W',' ')},	/* Garhwali */
+  {HB_TAG('g','c','e',' '),	HB_TAG('A','T','H',' ')},	/* Galice -> Athapaskan */
+  {HB_TAG('g','c','f',' '),	HB_TAG('C','P','P',' ')},	/* Guadeloupean Creole French -> Creoles */
+  {HB_TAG('g','c','l',' '),	HB_TAG('C','P','P',' ')},	/* Grenadian Creole English -> Creoles */
+  {HB_TAG('g','c','r',' '),	HB_TAG('C','P','P',' ')},	/* Guianese Creole French -> Creoles */
+  {HB_TAG('g','d','a',' '),	HB_TAG('R','A','J',' ')},	/* Gade Lohar -> Rajasthani */
+/*{HB_TAG('g','e','z',' '),	HB_TAG('G','E','Z',' ')},*/	/* Geez */
+  {HB_TAG('g','g','o',' '),	HB_TAG('G','O','N',' ')},	/* Southern Gondi (retired code) -> Gondi */
+  {HB_TAG('g','h','a',' '),	HB_TAG('B','B','R',' ')},	/* Ghadamès -> Berber */
+  {HB_TAG('g','h','k',' '),	HB_TAG('K','R','N',' ')},	/* Geko Karen -> Karen */
+  {HB_TAG('g','h','o',' '),	HB_TAG('B','B','R',' ')},	/* Ghomara -> Berber */
+  {HB_TAG('g','i','b',' '),	HB_TAG('C','P','P',' ')},	/* Gibanawa -> Creoles */
+/*{HB_TAG('g','i','h',' '),	HB_TAG('G','I','H',' ')},*/	/* Githabul */
+  {HB_TAG('g','i','l',' '),	HB_TAG('G','I','L','0')},	/* Kiribati (Gilbertese) */
+  {HB_TAG('g','j','u',' '),	HB_TAG('R','A','J',' ')},	/* Gujari -> Rajasthani */
+  {HB_TAG('g','k','p',' '),	HB_TAG('G','K','P',' ')},	/* Guinea Kpelle -> Kpelle (Guinea) */
+  {HB_TAG('g','k','p',' '),	HB_TAG('K','P','L',' ')},	/* Guinea Kpelle -> Kpelle */
+  {HB_TAG('g','l','d',' '),	HB_TAG('N','A','N',' ')},	/* Nanai */
+/*{HB_TAG('g','l','k',' '),	HB_TAG('G','L','K',' ')},*/	/* Gilaki */
+  {HB_TAG('g','m','z',' '),	HB_TAG_NONE	       },	/* Mgbolizhia != Gumuz */
+  {HB_TAG('g','n','b',' '),	HB_TAG('Q','I','N',' ')},	/* Gangte -> Chin */
+/*{HB_TAG('g','n','n',' '),	HB_TAG('G','N','N',' ')},*/	/* Gumatj */
+  {HB_TAG('g','n','o',' '),	HB_TAG('G','O','N',' ')},	/* Northern Gondi -> Gondi */
+  {HB_TAG('g','n','w',' '),	HB_TAG('G','U','A',' ')},	/* Western Bolivian Guaraní -> Guarani */
+/*{HB_TAG('g','o','g',' '),	HB_TAG('G','O','G',' ')},*/	/* Gogo */
+  {HB_TAG('g','o','m',' '),	HB_TAG('K','O','K',' ')},	/* Goan Konkani -> Konkani */
+/*{HB_TAG('g','o','n',' '),	HB_TAG('G','O','N',' ')},*/	/* Gondi [macrolanguage] */
+  {HB_TAG('g','o','q',' '),	HB_TAG('C','P','P',' ')},	/* Gorap -> Creoles */
+  {HB_TAG('g','o','x',' '),	HB_TAG('B','A','D','0')},	/* Gobu -> Banda */
+  {HB_TAG('g','p','e',' '),	HB_TAG('C','P','P',' ')},	/* Ghanaian Pidgin English -> Creoles */
+  {HB_TAG('g','r','o',' '),	HB_TAG_NONE	       },	/* Groma != Garo */
+  {HB_TAG('g','r','r',' '),	HB_TAG('B','B','R',' ')},	/* Taznatit -> Berber */
+  {HB_TAG('g','r','t',' '),	HB_TAG('G','R','O',' ')},	/* Garo */
+  {HB_TAG('g','r','u',' '),	HB_TAG('S','O','G',' ')},	/* Kistane -> Sodo Gurage */
+  {HB_TAG('g','s','w',' '),	HB_TAG('A','L','S',' ')},	/* Alsatian */
+  {HB_TAG('g','u','a',' '),	HB_TAG_NONE	       },	/* Shiki != Guarani */
+/*{HB_TAG('g','u','c',' '),	HB_TAG('G','U','C',' ')},*/	/* Wayuu */
+/*{HB_TAG('g','u','f',' '),	HB_TAG('G','U','F',' ')},*/	/* Gupapuyngu */
+  {HB_TAG('g','u','g',' '),	HB_TAG('G','U','A',' ')},	/* Paraguayan Guaraní -> Guarani */
+  {HB_TAG('g','u','i',' '),	HB_TAG('G','U','A',' ')},	/* Eastern Bolivian Guaraní -> Guarani */
+  {HB_TAG('g','u','k',' '),	HB_TAG('G','M','Z',' ')},	/* Gumuz */
+  {HB_TAG('g','u','l',' '),	HB_TAG('C','P','P',' ')},	/* Sea Island Creole English -> Creoles */
+  {HB_TAG('g','u','n',' '),	HB_TAG('G','U','A',' ')},	/* Mbyá Guaraní -> Guarani */
+/*{HB_TAG('g','u','z',' '),	HB_TAG('G','U','Z',' ')},*/	/* Gusii */
+  {HB_TAG('g','w','i',' '),	HB_TAG('A','T','H',' ')},	/* Gwichʼin -> Athapaskan */
+  {HB_TAG('g','y','n',' '),	HB_TAG('C','P','P',' ')},	/* Guyanese Creole English -> Creoles */
+  {HB_TAG('h','a','a',' '),	HB_TAG('A','T','H',' ')},	/* Han -> Athapaskan */
+  {HB_TAG('h','a','e',' '),	HB_TAG('O','R','O',' ')},	/* Eastern Oromo -> Oromo */
+  {HB_TAG('h','a','i',' '),	HB_TAG('H','A','I','0')},	/* Haida [macrolanguage] */
+  {HB_TAG('h','a','k',' '),	HB_TAG('Z','H','S',' ')},	/* Hakka Chinese -> Chinese, Simplified */
+  {HB_TAG('h','a','l',' '),	HB_TAG_NONE	       },	/* Halang != Halam (Falam Chin) */
+  {HB_TAG('h','a','r',' '),	HB_TAG('H','R','I',' ')},	/* Harari */
+/*{HB_TAG('h','a','w',' '),	HB_TAG('H','A','W',' ')},*/	/* Hawaiian */
+  {HB_TAG('h','a','x',' '),	HB_TAG('H','A','I','0')},	/* Southern Haida -> Haida */
+/*{HB_TAG('h','a','y',' '),	HB_TAG('H','A','Y',' ')},*/	/* Haya */
+/*{HB_TAG('h','a','z',' '),	HB_TAG('H','A','Z',' ')},*/	/* Hazaragi */
+  {HB_TAG('h','b','n',' '),	HB_TAG_NONE	       },	/* Heiban != Hammer-Banna */
+  {HB_TAG('h','c','a',' '),	HB_TAG('C','P','P',' ')},	/* Andaman Creole Hindi -> Creoles */
+  {HB_TAG('h','d','n',' '),	HB_TAG('H','A','I','0')},	/* Northern Haida -> Haida */
+  {HB_TAG('h','e','a',' '),	HB_TAG('H','M','N',' ')},	/* Northern Qiandong Miao -> Hmong */
+/*{HB_TAG('h','e','i',' '),	HB_TAG('H','E','I',' ')},*/	/* Heiltsuk */
+/*{HB_TAG('h','i','l',' '),	HB_TAG('H','I','L',' ')},*/	/* Hiligaynon */
+  {HB_TAG('h','j','i',' '),	HB_TAG('M','L','Y',' ')},	/* Haji -> Malay */
+  {HB_TAG('h','l','t',' '),	HB_TAG('Q','I','N',' ')},	/* Matu Chin -> Chin */
+  {HB_TAG('h','m','a',' '),	HB_TAG('H','M','N',' ')},	/* Southern Mashan Hmong -> Hmong */
+  {HB_TAG('h','m','c',' '),	HB_TAG('H','M','N',' ')},	/* Central Huishui Hmong -> Hmong */
+  {HB_TAG('h','m','d',' '),	HB_TAG('H','M','D',' ')},	/* Large Flowery Miao -> A-Hmao */
+  {HB_TAG('h','m','d',' '),	HB_TAG('H','M','N',' ')},	/* Large Flowery Miao -> Hmong */
+  {HB_TAG('h','m','e',' '),	HB_TAG('H','M','N',' ')},	/* Eastern Huishui Hmong -> Hmong */
+  {HB_TAG('h','m','g',' '),	HB_TAG('H','M','N',' ')},	/* Southwestern Guiyang Hmong -> Hmong */
+  {HB_TAG('h','m','h',' '),	HB_TAG('H','M','N',' ')},	/* Southwestern Huishui Hmong -> Hmong */
+  {HB_TAG('h','m','i',' '),	HB_TAG('H','M','N',' ')},	/* Northern Huishui Hmong -> Hmong */
+  {HB_TAG('h','m','j',' '),	HB_TAG('H','M','N',' ')},	/* Ge -> Hmong */
+  {HB_TAG('h','m','l',' '),	HB_TAG('H','M','N',' ')},	/* Luopohe Hmong -> Hmong */
+  {HB_TAG('h','m','m',' '),	HB_TAG('H','M','N',' ')},	/* Central Mashan Hmong -> Hmong */
+/*{HB_TAG('h','m','n',' '),	HB_TAG('H','M','N',' ')},*/	/* Hmong [macrolanguage] */
+  {HB_TAG('h','m','p',' '),	HB_TAG('H','M','N',' ')},	/* Northern Mashan Hmong -> Hmong */
+  {HB_TAG('h','m','q',' '),	HB_TAG('H','M','N',' ')},	/* Eastern Qiandong Miao -> Hmong */
+  {HB_TAG('h','m','r',' '),	HB_TAG('Q','I','N',' ')},	/* Hmar -> Chin */
+  {HB_TAG('h','m','s',' '),	HB_TAG('H','M','N',' ')},	/* Southern Qiandong Miao -> Hmong */
+  {HB_TAG('h','m','w',' '),	HB_TAG('H','M','N',' ')},	/* Western Mashan Hmong -> Hmong */
+  {HB_TAG('h','m','y',' '),	HB_TAG('H','M','N',' ')},	/* Southern Guiyang Hmong -> Hmong */
+  {HB_TAG('h','m','z',' '),	HB_TAG('H','M','Z',' ')},	/* Hmong Shua -> Hmong Shuat */
+  {HB_TAG('h','m','z',' '),	HB_TAG('H','M','N',' ')},	/* Hmong Shua -> Hmong */
+/*{HB_TAG('h','n','d',' '),	HB_TAG('H','N','D',' ')},*/	/* Southern Hindko -> Hindko */
+  {HB_TAG('h','n','e',' '),	HB_TAG('C','H','H',' ')},	/* Chhattisgarhi -> Chattisgarhi */
+  {HB_TAG('h','n','j',' '),	HB_TAG('H','M','N',' ')},	/* Hmong Njua -> Hmong */
+  {HB_TAG('h','n','o',' '),	HB_TAG('H','N','D',' ')},	/* Northern Hindko -> Hindko */
+  {HB_TAG('h','o','c',' '),	HB_TAG('H','O',' ',' ')},	/* Ho */
+  {HB_TAG('h','o','i',' '),	HB_TAG('A','T','H',' ')},	/* Holikachuk -> Athapaskan */
+  {HB_TAG('h','o','j',' '),	HB_TAG('H','A','R',' ')},	/* Hadothi -> Harauti */
+  {HB_TAG('h','o','j',' '),	HB_TAG('R','A','J',' ')},	/* Hadothi -> Rajasthani */
+  {HB_TAG('h','r','a',' '),	HB_TAG('Q','I','N',' ')},	/* Hrangkhol -> Chin */
+  {HB_TAG('h','r','m',' '),	HB_TAG('H','M','N',' ')},	/* Horned Miao -> Hmong */
+  {HB_TAG('h','s','b',' '),	HB_TAG('U','S','B',' ')},	/* Upper Sorbian */
+  {HB_TAG('h','s','n',' '),	HB_TAG('Z','H','S',' ')},	/* Xiang Chinese -> Chinese, Simplified */
+  {HB_TAG('h','u','j',' '),	HB_TAG('H','M','N',' ')},	/* Northern Guiyang Hmong -> Hmong */
+  {HB_TAG('h','u','p',' '),	HB_TAG('A','T','H',' ')},	/* Hupa -> Athapaskan */
+  {HB_TAG('h','u','s',' '),	HB_TAG('M','Y','N',' ')},	/* Huastec -> Mayan */
+  {HB_TAG('h','w','c',' '),	HB_TAG('C','P','P',' ')},	/* Hawai'i Creole English -> Creoles */
+  {HB_TAG('h','y','w',' '),	HB_TAG('H','Y','E',' ')},	/* Western Armenian -> Armenian */
+/*{HB_TAG('i','b','a',' '),	HB_TAG('I','B','A',' ')},*/	/* Iban */
+/*{HB_TAG('i','b','b',' '),	HB_TAG('I','B','B',' ')},*/	/* Ibibio */
+  {HB_TAG('i','b','y',' '),	HB_TAG('I','J','O',' ')},	/* Ibani -> Ijo */
+  {HB_TAG('i','c','r',' '),	HB_TAG('C','P','P',' ')},	/* Islander Creole English -> Creoles */
+  {HB_TAG('i','d','a',' '),	HB_TAG('L','U','H',' ')},	/* Idakho-Isukha-Tiriki -> Luyia */
+  {HB_TAG('i','d','b',' '),	HB_TAG('C','P','P',' ')},	/* Indo-Portuguese -> Creoles */
+  {HB_TAG('i','g','b',' '),	HB_TAG('E','B','I',' ')},	/* Ebira */
+  {HB_TAG('i','h','b',' '),	HB_TAG('C','P','P',' ')},	/* Iha Based Pidgin -> Creoles */
+  {HB_TAG('i','j','c',' '),	HB_TAG('I','J','O',' ')},	/* Izon -> Ijo */
+  {HB_TAG('i','j','e',' '),	HB_TAG('I','J','O',' ')},	/* Biseni -> Ijo */
+  {HB_TAG('i','j','n',' '),	HB_TAG('I','J','O',' ')},	/* Kalabari -> Ijo */
+/*{HB_TAG('i','j','o',' '),	HB_TAG('I','J','O',' ')},*/	/* Ijo [collection] */
+  {HB_TAG('i','j','s',' '),	HB_TAG('I','J','O',' ')},	/* Southeast Ijo -> Ijo */
+  {HB_TAG('i','k','e',' '),	HB_TAG('I','N','U',' ')},	/* Eastern Canadian Inuktitut -> Inuktitut */
+  {HB_TAG('i','k','e',' '),	HB_TAG('I','N','U','K')},	/* Eastern Canadian Inuktitut -> Nunavik Inuktitut */
+  {HB_TAG('i','k','t',' '),	HB_TAG('I','N','U',' ')},	/* Inuinnaqtun -> Inuktitut */
+/*{HB_TAG('i','l','o',' '),	HB_TAG('I','L','O',' ')},*/	/* Iloko -> Ilokano */
+  {HB_TAG('i','n','g',' '),	HB_TAG('A','T','H',' ')},	/* Degexit'an -> Athapaskan */
+  {HB_TAG('i','n','h',' '),	HB_TAG('I','N','G',' ')},	/* Ingush */
+  {HB_TAG('i','r','i',' '),	HB_TAG_NONE	       },	/* Rigwe != Irish */
+/*{HB_TAG('i','r','u',' '),	HB_TAG('I','R','U',' ')},*/	/* Irula */
+  {HB_TAG('i','s','m',' '),	HB_TAG_NONE	       },	/* Masimasi != Inari Sami */
+  {HB_TAG('i','t','z',' '),	HB_TAG('M','Y','N',' ')},	/* Itzá -> Mayan */
+  {HB_TAG('i','x','l',' '),	HB_TAG('M','Y','N',' ')},	/* Ixil -> Mayan */
+  {HB_TAG('j','a','c',' '),	HB_TAG('M','Y','N',' ')},	/* Popti' -> Mayan */
+  {HB_TAG('j','a','k',' '),	HB_TAG('M','L','Y',' ')},	/* Jakun -> Malay */
+  {HB_TAG('j','a','m',' '),	HB_TAG('J','A','M',' ')},	/* Jamaican Creole English -> Jamaican Creole */
+  {HB_TAG('j','a','m',' '),	HB_TAG('C','P','P',' ')},	/* Jamaican Creole English -> Creoles */
+  {HB_TAG('j','a','n',' '),	HB_TAG_NONE	       },	/* Jandai != Japanese */
+  {HB_TAG('j','a','x',' '),	HB_TAG('M','L','Y',' ')},	/* Jambi Malay -> Malay */
+  {HB_TAG('j','b','e',' '),	HB_TAG('B','B','R',' ')},	/* Judeo-Berber -> Berber */
+  {HB_TAG('j','b','n',' '),	HB_TAG('B','B','R',' ')},	/* Nafusi -> Berber */
+/*{HB_TAG('j','b','o',' '),	HB_TAG('J','B','O',' ')},*/	/* Lojban */
+/*{HB_TAG('j','c','t',' '),	HB_TAG('J','C','T',' ')},*/	/* Krymchak */
+  {HB_TAG('j','g','o',' '),	HB_TAG('B','M','L',' ')},	/* Ngomba -> Bamileke */
+  {HB_TAG('j','i','i',' '),	HB_TAG_NONE	       },	/* Jiiddu != Yiddish */
+  {HB_TAG('j','k','m',' '),	HB_TAG('K','R','N',' ')},	/* Mobwa Karen -> Karen */
+  {HB_TAG('j','k','p',' '),	HB_TAG('K','R','N',' ')},	/* Paku Karen -> Karen */
+  {HB_TAG('j','u','d',' '),	HB_TAG_NONE	       },	/* Worodougou != Ladino */
+  {HB_TAG('j','u','l',' '),	HB_TAG_NONE	       },	/* Jirel != Jula */
+  {HB_TAG('j','v','d',' '),	HB_TAG('C','P','P',' ')},	/* Javindo -> Creoles */
+  {HB_TAG('k','a','a',' '),	HB_TAG('K','R','K',' ')},	/* Karakalpak */
+  {HB_TAG('k','a','b',' '),	HB_TAG('K','A','B','0')},	/* Kabyle */
+  {HB_TAG('k','a','b',' '),	HB_TAG('B','B','R',' ')},	/* Kabyle -> Berber */
+  {HB_TAG('k','a','c',' '),	HB_TAG_NONE	       },	/* Kachin != Kachchi */
+  {HB_TAG('k','a','m',' '),	HB_TAG('K','M','B',' ')},	/* Kamba (Kenya) */
+  {HB_TAG('k','a','r',' '),	HB_TAG('K','R','N',' ')},	/* Karen [collection] */
+/*{HB_TAG('k','a','w',' '),	HB_TAG('K','A','W',' ')},*/	/* Kawi (Old Javanese) */
+  {HB_TAG('k','b','d',' '),	HB_TAG('K','A','B',' ')},	/* Kabardian */
+  {HB_TAG('k','b','y',' '),	HB_TAG('K','N','R',' ')},	/* Manga Kanuri -> Kanuri */
+  {HB_TAG('k','c','a',' '),	HB_TAG('K','H','K',' ')},	/* Khanty -> Khanty-Kazim */
+  {HB_TAG('k','c','a',' '),	HB_TAG('K','H','S',' ')},	/* Khanty -> Khanty-Shurishkar */
+  {HB_TAG('k','c','a',' '),	HB_TAG('K','H','V',' ')},	/* Khanty -> Khanty-Vakhi */
+  {HB_TAG('k','c','n',' '),	HB_TAG('C','P','P',' ')},	/* Nubi -> Creoles */
+/*{HB_TAG('k','d','e',' '),	HB_TAG('K','D','E',' ')},*/	/* Makonde */
+  {HB_TAG('k','d','r',' '),	HB_TAG('K','R','M',' ')},	/* Karaim */
+  {HB_TAG('k','d','t',' '),	HB_TAG('K','U','Y',' ')},	/* Kuy */
+  {HB_TAG('k','e','a',' '),	HB_TAG('K','E','A',' ')},	/* Kabuverdianu (Crioulo) */
+  {HB_TAG('k','e','a',' '),	HB_TAG('C','P','P',' ')},	/* Kabuverdianu -> Creoles */
+  {HB_TAG('k','e','b',' '),	HB_TAG_NONE	       },	/* Kélé != Kebena */
+  {HB_TAG('k','e','k',' '),	HB_TAG('K','E','K',' ')},	/* Kekchi */
+  {HB_TAG('k','e','k',' '),	HB_TAG('M','Y','N',' ')},	/* Kekchí -> Mayan */
+  {HB_TAG('k','e','x',' '),	HB_TAG('K','K','N',' ')},	/* Kukna -> Kokni */
+  {HB_TAG('k','f','a',' '),	HB_TAG('K','O','D',' ')},	/* Kodava -> Kodagu */
+  {HB_TAG('k','f','r',' '),	HB_TAG('K','A','C',' ')},	/* Kachhi -> Kachchi */
+  {HB_TAG('k','f','x',' '),	HB_TAG('K','U','L',' ')},	/* Kullu Pahari -> Kulvi */
+  {HB_TAG('k','f','y',' '),	HB_TAG('K','M','N',' ')},	/* Kumaoni */
+  {HB_TAG('k','g','e',' '),	HB_TAG_NONE	       },	/* Komering != Khutsuri Georgian */
+  {HB_TAG('k','h','a',' '),	HB_TAG('K','S','I',' ')},	/* Khasi */
+  {HB_TAG('k','h','b',' '),	HB_TAG('X','B','D',' ')},	/* Lü */
+  {HB_TAG('k','h','k',' '),	HB_TAG('M','N','G',' ')},	/* Halh Mongolian -> Mongolian */
+  {HB_TAG('k','h','n',' '),	HB_TAG_NONE	       },	/* Khandesi != Khamti Shan (Microsoft fonts) */
+  {HB_TAG('k','h','s',' '),	HB_TAG_NONE	       },	/* Kasua != Khanty-Shurishkar */
+  {HB_TAG('k','h','t',' '),	HB_TAG('K','H','T',' ')},	/* Khamti -> Khamti Shan */
+  {HB_TAG('k','h','t',' '),	HB_TAG('K','H','N',' ')},	/* Khamti -> Khamti Shan (Microsoft fonts) */
+  {HB_TAG('k','h','v',' '),	HB_TAG_NONE	       },	/* Khvarshi != Khanty-Vakhi */
+/*{HB_TAG('k','h','w',' '),	HB_TAG('K','H','W',' ')},*/	/* Khowar */
+  {HB_TAG('k','i','s',' '),	HB_TAG_NONE	       },	/* Kis != Kisii */
+  {HB_TAG('k','i','u',' '),	HB_TAG('K','I','U',' ')},	/* Kirmanjki */
+  {HB_TAG('k','i','u',' '),	HB_TAG('Z','Z','A',' ')},	/* Kirmanjki -> Zazaki */
+  {HB_TAG('k','j','b',' '),	HB_TAG('M','Y','N',' ')},	/* Q'anjob'al -> Mayan */
+/*{HB_TAG('k','j','d',' '),	HB_TAG('K','J','D',' ')},*/	/* Southern Kiwai */
+  {HB_TAG('k','j','h',' '),	HB_TAG('K','H','A',' ')},	/* Khakas -> Khakass */
+  {HB_TAG('k','j','p',' '),	HB_TAG('K','J','P',' ')},	/* Pwo Eastern Karen -> Eastern Pwo Karen */
+  {HB_TAG('k','j','p',' '),	HB_TAG('K','R','N',' ')},	/* Pwo Eastern Karen -> Karen */
+  {HB_TAG('k','j','t',' '),	HB_TAG('K','R','N',' ')},	/* Phrae Pwo Karen -> Karen */
+/*{HB_TAG('k','j','z',' '),	HB_TAG('K','J','Z',' ')},*/	/* Bumthangkha */
+  {HB_TAG('k','k','n',' '),	HB_TAG_NONE	       },	/* Kon Keu != Kokni */
+  {HB_TAG('k','k','z',' '),	HB_TAG('A','T','H',' ')},	/* Kaska -> Athapaskan */
+  {HB_TAG('k','l','m',' '),	HB_TAG_NONE	       },	/* Migum != Kalmyk */
+  {HB_TAG('k','l','n',' '),	HB_TAG('K','A','L',' ')},	/* Kalenjin [macrolanguage] */
+  {HB_TAG('k','m','b',' '),	HB_TAG('M','B','N',' ')},	/* Kimbundu -> Mbundu */
+  {HB_TAG('k','m','n',' '),	HB_TAG_NONE	       },	/* Awtuw != Kumaoni */
+  {HB_TAG('k','m','o',' '),	HB_TAG_NONE	       },	/* Kwoma != Komo */
+  {HB_TAG('k','m','r',' '),	HB_TAG('K','U','R',' ')},	/* Northern Kurdish -> Kurdish */
+  {HB_TAG('k','m','s',' '),	HB_TAG_NONE	       },	/* Kamasau != Komso */
+  {HB_TAG('k','m','v',' '),	HB_TAG('C','P','P',' ')},	/* Karipúna Creole French -> Creoles */
+  {HB_TAG('k','m','w',' '),	HB_TAG('K','M','O',' ')},	/* Komo (Democratic Republic of Congo) */
+/*{HB_TAG('k','m','z',' '),	HB_TAG('K','M','Z',' ')},*/	/* Khorasani Turkish -> Khorasani Turkic */
+  {HB_TAG('k','n','c',' '),	HB_TAG('K','N','R',' ')},	/* Central Kanuri -> Kanuri */
+  {HB_TAG('k','n','g',' '),	HB_TAG('K','O','N','0')},	/* Koongo -> Kongo */
+  {HB_TAG('k','n','j',' '),	HB_TAG('M','Y','N',' ')},	/* Western Kanjobal -> Mayan */
+  {HB_TAG('k','n','n',' '),	HB_TAG('K','O','K',' ')},	/* Konkani */
+  {HB_TAG('k','n','r',' '),	HB_TAG_NONE	       },	/* Kaningra != Kanuri */
+  {HB_TAG('k','o','d',' '),	HB_TAG_NONE	       },	/* Kodi != Kodagu */
+  {HB_TAG('k','o','h',' '),	HB_TAG_NONE	       },	/* Koyo != Korean Old Hangul */
+  {HB_TAG('k','o','i',' '),	HB_TAG('K','O','P',' ')},	/* Komi-Permyak */
+  {HB_TAG('k','o','i',' '),	HB_TAG('K','O','M',' ')},	/* Komi-Permyak -> Komi */
+/*{HB_TAG('k','o','k',' '),	HB_TAG('K','O','K',' ')},*/	/* Konkani [macrolanguage] */
+  {HB_TAG('k','o','p',' '),	HB_TAG_NONE	       },	/* Waube != Komi-Permyak */
+/*{HB_TAG('k','o','s',' '),	HB_TAG('K','O','S',' ')},*/	/* Kosraean */
+  {HB_TAG('k','o','y',' '),	HB_TAG('A','T','H',' ')},	/* Koyukon -> Athapaskan */
+  {HB_TAG('k','o','z',' '),	HB_TAG_NONE	       },	/* Korak != Komi-Zyrian */
+  {HB_TAG('k','p','e',' '),	HB_TAG('K','P','L',' ')},	/* Kpelle [macrolanguage] */
+  {HB_TAG('k','p','l',' '),	HB_TAG_NONE	       },	/* Kpala != Kpelle */
+  {HB_TAG('k','p','p',' '),	HB_TAG('K','R','N',' ')},	/* Paku Karen (retired code) -> Karen */
+  {HB_TAG('k','p','v',' '),	HB_TAG('K','O','Z',' ')},	/* Komi-Zyrian */
+  {HB_TAG('k','p','v',' '),	HB_TAG('K','O','M',' ')},	/* Komi-Zyrian -> Komi */
+  {HB_TAG('k','p','y',' '),	HB_TAG('K','Y','K',' ')},	/* Koryak */
+  {HB_TAG('k','q','s',' '),	HB_TAG('K','I','S',' ')},	/* Northern Kissi -> Kisii */
+  {HB_TAG('k','q','y',' '),	HB_TAG('K','R','T',' ')},	/* Koorete */
+  {HB_TAG('k','r','c',' '),	HB_TAG('K','A','R',' ')},	/* Karachay-Balkar -> Karachay */
+  {HB_TAG('k','r','c',' '),	HB_TAG('B','A','L',' ')},	/* Karachay-Balkar -> Balkar */
+  {HB_TAG('k','r','i',' '),	HB_TAG('K','R','I',' ')},	/* Krio */
+  {HB_TAG('k','r','i',' '),	HB_TAG('C','P','P',' ')},	/* Krio -> Creoles */
+  {HB_TAG('k','r','k',' '),	HB_TAG_NONE	       },	/* Kerek != Karakalpak */
+/*{HB_TAG('k','r','l',' '),	HB_TAG('K','R','L',' ')},*/	/* Karelian */
+  {HB_TAG('k','r','m',' '),	HB_TAG_NONE	       },	/* Krim (retired code) != Karaim */
+  {HB_TAG('k','r','n',' '),	HB_TAG_NONE	       },	/* Sapo != Karen */
+  {HB_TAG('k','r','t',' '),	HB_TAG('K','N','R',' ')},	/* Tumari Kanuri -> Kanuri */
+  {HB_TAG('k','r','u',' '),	HB_TAG('K','U','U',' ')},	/* Kurukh */
+  {HB_TAG('k','s','h',' '),	HB_TAG('K','S','H','0')},	/* Kölsch -> Ripuarian */
+  {HB_TAG('k','s','i',' '),	HB_TAG_NONE	       },	/* Krisa != Khasi */
+  {HB_TAG('k','s','m',' '),	HB_TAG_NONE	       },	/* Kumba != Kildin Sami */
+  {HB_TAG('k','s','s',' '),	HB_TAG('K','I','S',' ')},	/* Southern Kisi -> Kisii */
+  {HB_TAG('k','s','w',' '),	HB_TAG('K','S','W',' ')},	/* S’gaw Karen */
+  {HB_TAG('k','s','w',' '),	HB_TAG('K','R','N',' ')},	/* S'gaw Karen -> Karen */
+  {HB_TAG('k','t','b',' '),	HB_TAG('K','E','B',' ')},	/* Kambaata -> Kebena */
+  {HB_TAG('k','t','u',' '),	HB_TAG('K','O','N',' ')},	/* Kituba (Democratic Republic of Congo) -> Kikongo */
+  {HB_TAG('k','t','w',' '),	HB_TAG('A','T','H',' ')},	/* Kato -> Athapaskan */
+  {HB_TAG('k','u','i',' '),	HB_TAG_NONE	       },	/* Kuikúro-Kalapálo != Kui */
+  {HB_TAG('k','u','l',' '),	HB_TAG_NONE	       },	/* Kulere != Kulvi */
+/*{HB_TAG('k','u','m',' '),	HB_TAG('K','U','M',' ')},*/	/* Kumyk */
+  {HB_TAG('k','u','u',' '),	HB_TAG('A','T','H',' ')},	/* Upper Kuskokwim -> Athapaskan */
+  {HB_TAG('k','u','w',' '),	HB_TAG('B','A','D','0')},	/* Kpagua -> Banda */
+  {HB_TAG('k','u','y',' '),	HB_TAG_NONE	       },	/* Kuuku-Ya'u != Kuy */
+  {HB_TAG('k','v','b',' '),	HB_TAG('M','L','Y',' ')},	/* Kubu -> Malay */
+  {HB_TAG('k','v','l',' '),	HB_TAG('K','R','N',' ')},	/* Kayaw -> Karen */
+  {HB_TAG('k','v','q',' '),	HB_TAG('K','R','N',' ')},	/* Geba Karen -> Karen */
+  {HB_TAG('k','v','r',' '),	HB_TAG('M','L','Y',' ')},	/* Kerinci -> Malay */
+  {HB_TAG('k','v','t',' '),	HB_TAG('K','R','N',' ')},	/* Lahta Karen -> Karen */
+  {HB_TAG('k','v','u',' '),	HB_TAG('K','R','N',' ')},	/* Yinbaw Karen -> Karen */
+  {HB_TAG('k','v','y',' '),	HB_TAG('K','R','N',' ')},	/* Yintale Karen -> Karen */
+/*{HB_TAG('k','w','k',' '),	HB_TAG('K','W','K',' ')},*/	/* Kwakiutl -> Kwakʼwala */
+  {HB_TAG('k','w','w',' '),	HB_TAG('C','P','P',' ')},	/* Kwinti -> Creoles */
+  {HB_TAG('k','w','y',' '),	HB_TAG('K','O','N','0')},	/* San Salvador Kongo -> Kongo */
+  {HB_TAG('k','x','c',' '),	HB_TAG('K','M','S',' ')},	/* Konso -> Komso */
+  {HB_TAG('k','x','d',' '),	HB_TAG('M','L','Y',' ')},	/* Brunei -> Malay */
+  {HB_TAG('k','x','f',' '),	HB_TAG('K','R','N',' ')},	/* Manumanaw Karen -> Karen */
+  {HB_TAG('k','x','k',' '),	HB_TAG('K','R','N',' ')},	/* Zayein Karen -> Karen */
+  {HB_TAG('k','x','l',' '),	HB_TAG('K','U','U',' ')},	/* Nepali Kurux (retired code) -> Kurukh */
+  {HB_TAG('k','x','u',' '),	HB_TAG('K','U','I',' ')},	/* Kui (India) (retired code) */
+  {HB_TAG('k','y','k',' '),	HB_TAG_NONE	       },	/* Kamayo != Koryak */
+  {HB_TAG('k','y','u',' '),	HB_TAG('K','Y','U',' ')},	/* Western Kayah */
+  {HB_TAG('k','y','u',' '),	HB_TAG('K','R','N',' ')},	/* Western Kayah -> Karen */
+  {HB_TAG('l','a','c',' '),	HB_TAG('M','Y','N',' ')},	/* Lacandon -> Mayan */
+  {HB_TAG('l','a','d',' '),	HB_TAG('J','U','D',' ')},	/* Ladino */
+  {HB_TAG('l','a','h',' '),	HB_TAG_NONE	       },	/* Lahnda [macrolanguage] != Lahuli */
+  {HB_TAG('l','a','k',' '),	HB_TAG_NONE	       },	/* Laka (Nigeria) (retired code) != Lak */
+  {HB_TAG('l','a','m',' '),	HB_TAG_NONE	       },	/* Lamba != Lambani */
+  {HB_TAG('l','a','z',' '),	HB_TAG_NONE	       },	/* Aribwatsa != Laz */
+  {HB_TAG('l','b','e',' '),	HB_TAG('L','A','K',' ')},	/* Lak */
+  {HB_TAG('l','b','j',' '),	HB_TAG('L','D','K',' ')},	/* Ladakhi */
+  {HB_TAG('l','b','l',' '),	HB_TAG('B','I','K',' ')},	/* Libon Bikol -> Bikol */
+  {HB_TAG('l','c','e',' '),	HB_TAG('M','L','Y',' ')},	/* Loncong -> Malay */
+  {HB_TAG('l','c','f',' '),	HB_TAG('M','L','Y',' ')},	/* Lubu -> Malay */
+  {HB_TAG('l','d','i',' '),	HB_TAG('K','O','N','0')},	/* Laari -> Kongo */
+  {HB_TAG('l','d','k',' '),	HB_TAG_NONE	       },	/* Leelau != Ladakhi */
+/*{HB_TAG('l','e','f',' '),	HB_TAG('L','E','F',' ')},*/	/* Lelemi */
+/*{HB_TAG('l','e','z',' '),	HB_TAG('L','E','Z',' ')},*/	/* Lezghian -> Lezgi */
+  {HB_TAG('l','i','f',' '),	HB_TAG('L','M','B',' ')},	/* Limbu */
+/*{HB_TAG('l','i','j',' '),	HB_TAG('L','I','J',' ')},*/	/* Ligurian */
+  {HB_TAG('l','i','r',' '),	HB_TAG('C','P','P',' ')},	/* Liberian English -> Creoles */
+/*{HB_TAG('l','i','s',' '),	HB_TAG('L','I','S',' ')},*/	/* Lisu */
+  {HB_TAG('l','i','w',' '),	HB_TAG('M','L','Y',' ')},	/* Col -> Malay */
+  {HB_TAG('l','i','y',' '),	HB_TAG('B','A','D','0')},	/* Banda-Bambari -> Banda */
+/*{HB_TAG('l','j','p',' '),	HB_TAG('L','J','P',' ')},*/	/* Lampung Api -> Lampung */
+  {HB_TAG('l','k','b',' '),	HB_TAG('L','U','H',' ')},	/* Kabras -> Luyia */
+/*{HB_TAG('l','k','i',' '),	HB_TAG('L','K','I',' ')},*/	/* Laki */
+  {HB_TAG('l','k','o',' '),	HB_TAG('L','U','H',' ')},	/* Khayo -> Luyia */
+  {HB_TAG('l','k','s',' '),	HB_TAG('L','U','H',' ')},	/* Kisa -> Luyia */
+  {HB_TAG('l','l','d',' '),	HB_TAG('L','A','D',' ')},	/* Ladin */
+  {HB_TAG('l','m','a',' '),	HB_TAG_NONE	       },	/* East Limba != Low Mari */
+  {HB_TAG('l','m','b',' '),	HB_TAG_NONE	       },	/* Merei != Limbu */
+  {HB_TAG('l','m','n',' '),	HB_TAG('L','A','M',' ')},	/* Lambadi -> Lambani */
+/*{HB_TAG('l','m','o',' '),	HB_TAG('L','M','O',' ')},*/	/* Lombard */
+  {HB_TAG('l','m','w',' '),	HB_TAG_NONE	       },	/* Lake Miwok != Lomwe */
+  {HB_TAG('l','n','a',' '),	HB_TAG('B','A','D','0')},	/* Langbashe -> Banda */
+  {HB_TAG('l','n','l',' '),	HB_TAG('B','A','D','0')},	/* South Central Banda -> Banda */
+/*{HB_TAG('l','o','m',' '),	HB_TAG('L','O','M',' ')},*/	/* Loma (Liberia) */
+  {HB_TAG('l','o','u',' '),	HB_TAG('C','P','P',' ')},	/* Louisiana Creole -> Creoles */
+/*{HB_TAG('l','p','o',' '),	HB_TAG('L','P','O',' ')},*/	/* Lipo */
+/*{HB_TAG('l','r','c',' '),	HB_TAG('L','R','C',' ')},*/	/* Northern Luri -> Luri */
+  {HB_TAG('l','r','i',' '),	HB_TAG('L','U','H',' ')},	/* Marachi -> Luyia */
+  {HB_TAG('l','r','m',' '),	HB_TAG('L','U','H',' ')},	/* Marama -> Luyia */
+  {HB_TAG('l','r','t',' '),	HB_TAG('C','P','P',' ')},	/* Larantuka Malay -> Creoles */
+  {HB_TAG('l','s','b',' '),	HB_TAG_NONE	       },	/* Burundian Sign Language != Lower Sorbian */
+  {HB_TAG('l','s','m',' '),	HB_TAG('L','U','H',' ')},	/* Saamia -> Luyia */
+  {HB_TAG('l','t','g',' '),	HB_TAG('L','V','I',' ')},	/* Latgalian -> Latvian */
+  {HB_TAG('l','t','h',' '),	HB_TAG_NONE	       },	/* Thur != Lithuanian */
+  {HB_TAG('l','t','o',' '),	HB_TAG('L','U','H',' ')},	/* Tsotso -> Luyia */
+  {HB_TAG('l','t','s',' '),	HB_TAG('L','U','H',' ')},	/* Tachoni -> Luyia */
+/*{HB_TAG('l','u','a',' '),	HB_TAG('L','U','A',' ')},*/	/* Luba-Lulua */
+/*{HB_TAG('l','u','o',' '),	HB_TAG('L','U','O',' ')},*/	/* Luo (Kenya and Tanzania) */
+  {HB_TAG('l','u','s',' '),	HB_TAG('M','I','Z',' ')},	/* Lushai -> Mizo */
+  {HB_TAG('l','u','s',' '),	HB_TAG('Q','I','N',' ')},	/* Lushai -> Chin */
+  {HB_TAG('l','u','y',' '),	HB_TAG('L','U','H',' ')},	/* Luyia [macrolanguage] */
+  {HB_TAG('l','u','z',' '),	HB_TAG('L','R','C',' ')},	/* Southern Luri -> Luri */
+  {HB_TAG('l','v','i',' '),	HB_TAG_NONE	       },	/* Lavi != Latvian */
+  {HB_TAG('l','v','s',' '),	HB_TAG('L','V','I',' ')},	/* Standard Latvian -> Latvian */
+  {HB_TAG('l','w','g',' '),	HB_TAG('L','U','H',' ')},	/* Wanga -> Luyia */
+  {HB_TAG('l','z','h',' '),	HB_TAG('Z','H','T',' ')},	/* Literary Chinese -> Chinese, Traditional */
+  {HB_TAG('l','z','z',' '),	HB_TAG('L','A','Z',' ')},	/* Laz */
+/*{HB_TAG('m','a','d',' '),	HB_TAG('M','A','D',' ')},*/	/* Madurese -> Madura */
+/*{HB_TAG('m','a','g',' '),	HB_TAG('M','A','G',' ')},*/	/* Magahi */
+  {HB_TAG('m','a','i',' '),	HB_TAG('M','T','H',' ')},	/* Maithili */
+  {HB_TAG('m','a','j',' '),	HB_TAG_NONE	       },	/* Jalapa De Díaz Mazatec != Majang */
+  {HB_TAG('m','a','k',' '),	HB_TAG('M','K','R',' ')},	/* Makasar */
+  {HB_TAG('m','a','m',' '),	HB_TAG('M','A','M',' ')},	/* Mam */
+  {HB_TAG('m','a','m',' '),	HB_TAG('M','Y','N',' ')},	/* Mam -> Mayan */
+  {HB_TAG('m','a','n',' '),	HB_TAG('M','N','K',' ')},	/* Mandingo [macrolanguage] -> Maninka */
+  {HB_TAG('m','a','p',' '),	HB_TAG_NONE	       },	/* Austronesian [collection] != Mapudungun */
+  {HB_TAG('m','a','w',' '),	HB_TAG_NONE	       },	/* Mampruli != Marwari */
+  {HB_TAG('m','a','x',' '),	HB_TAG('M','L','Y',' ')},	/* North Moluccan Malay -> Malay */
+  {HB_TAG('m','a','x',' '),	HB_TAG('C','P','P',' ')},	/* North Moluccan Malay -> Creoles */
+  {HB_TAG('m','b','f',' '),	HB_TAG('C','P','P',' ')},	/* Baba Malay -> Creoles */
+  {HB_TAG('m','b','n',' '),	HB_TAG_NONE	       },	/* Macaguán != Mbundu */
+/*{HB_TAG('m','b','o',' '),	HB_TAG('M','B','O',' ')},*/	/* Mbo (Cameroon) */
+  {HB_TAG('m','c','h',' '),	HB_TAG_NONE	       },	/* Maquiritari != Manchu */
+  {HB_TAG('m','c','m',' '),	HB_TAG('C','P','P',' ')},	/* Malaccan Creole Portuguese -> Creoles */
+  {HB_TAG('m','c','r',' '),	HB_TAG_NONE	       },	/* Menya != Moose Cree */
+  {HB_TAG('m','c','t',' '),	HB_TAG('B','T','I',' ')},	/* Mengisa -> Beti */
+  {HB_TAG('m','d','e',' '),	HB_TAG_NONE	       },	/* Maba (Chad) != Mende */
+  {HB_TAG('m','d','f',' '),	HB_TAG('M','O','K',' ')},	/* Moksha */
+/*{HB_TAG('m','d','r',' '),	HB_TAG('M','D','R',' ')},*/	/* Mandar */
+  {HB_TAG('m','d','y',' '),	HB_TAG('M','L','E',' ')},	/* Male (Ethiopia) */
+  {HB_TAG('m','e','n',' '),	HB_TAG('M','D','E',' ')},	/* Mende (Sierra Leone) */
+  {HB_TAG('m','e','o',' '),	HB_TAG('M','L','Y',' ')},	/* Kedah Malay -> Malay */
+/*{HB_TAG('m','e','r',' '),	HB_TAG('M','E','R',' ')},*/	/* Meru */
+  {HB_TAG('m','f','a',' '),	HB_TAG('M','F','A',' ')},	/* Pattani Malay */
+  {HB_TAG('m','f','a',' '),	HB_TAG('M','L','Y',' ')},	/* Pattani Malay -> Malay */
+  {HB_TAG('m','f','b',' '),	HB_TAG('M','L','Y',' ')},	/* Bangka -> Malay */
+  {HB_TAG('m','f','e',' '),	HB_TAG('M','F','E',' ')},	/* Morisyen */
+  {HB_TAG('m','f','e',' '),	HB_TAG('C','P','P',' ')},	/* Morisyen -> Creoles */
+  {HB_TAG('m','f','p',' '),	HB_TAG('C','P','P',' ')},	/* Makassar Malay -> Creoles */
+  {HB_TAG('m','h','c',' '),	HB_TAG('M','Y','N',' ')},	/* Mocho -> Mayan */
+  {HB_TAG('m','h','r',' '),	HB_TAG('L','M','A',' ')},	/* Eastern Mari -> Low Mari */
+  {HB_TAG('m','h','v',' '),	HB_TAG('A','R','K',' ')},	/* Arakanese (retired code) -> Rakhine */
+  {HB_TAG('m','i','n',' '),	HB_TAG('M','I','N',' ')},	/* Minangkabau */
+  {HB_TAG('m','i','n',' '),	HB_TAG('M','L','Y',' ')},	/* Minangkabau -> Malay */
+  {HB_TAG('m','i','z',' '),	HB_TAG_NONE	       },	/* Coatzospan Mixtec != Mizo */
+  {HB_TAG('m','k','n',' '),	HB_TAG('C','P','P',' ')},	/* Kupang Malay -> Creoles */
+  {HB_TAG('m','k','r',' '),	HB_TAG_NONE	       },	/* Malas != Makasar */
+  {HB_TAG('m','k','u',' '),	HB_TAG('M','N','K',' ')},	/* Konyanka Maninka -> Maninka */
+/*{HB_TAG('m','k','w',' '),	HB_TAG('M','K','W',' ')},*/	/* Kituba (Congo) */
+  {HB_TAG('m','l','e',' '),	HB_TAG_NONE	       },	/* Manambu != Male */
+  {HB_TAG('m','l','n',' '),	HB_TAG_NONE	       },	/* Malango != Malinke */
+  {HB_TAG('m','l','q',' '),	HB_TAG('M','L','N',' ')},	/* Western Maninkakan -> Malinke */
+  {HB_TAG('m','l','q',' '),	HB_TAG('M','N','K',' ')},	/* Western Maninkakan -> Maninka */
+  {HB_TAG('m','l','r',' '),	HB_TAG_NONE	       },	/* Vame != Malayalam Reformed */
+  {HB_TAG('m','m','r',' '),	HB_TAG('H','M','N',' ')},	/* Western Xiangxi Miao -> Hmong */
+  {HB_TAG('m','n','c',' '),	HB_TAG('M','C','H',' ')},	/* Manchu */
+  {HB_TAG('m','n','d',' '),	HB_TAG_NONE	       },	/* Mondé != Mandinka */
+  {HB_TAG('m','n','g',' '),	HB_TAG_NONE	       },	/* Eastern Mnong != Mongolian */
+  {HB_TAG('m','n','h',' '),	HB_TAG('B','A','D','0')},	/* Mono (Democratic Republic of Congo) -> Banda */
+/*{HB_TAG('m','n','i',' '),	HB_TAG('M','N','I',' ')},*/	/* Manipuri */
+  {HB_TAG('m','n','k',' '),	HB_TAG('M','N','D',' ')},	/* Mandinka */
+  {HB_TAG('m','n','k',' '),	HB_TAG('M','N','K',' ')},	/* Mandinka -> Maninka */
+  {HB_TAG('m','n','p',' '),	HB_TAG('Z','H','S',' ')},	/* Min Bei Chinese -> Chinese, Simplified */
+  {HB_TAG('m','n','s',' '),	HB_TAG('M','A','N',' ')},	/* Mansi */
+  {HB_TAG('m','n','w',' '),	HB_TAG('M','O','N',' ')},	/* Mon */
+  {HB_TAG('m','n','w',' '),	HB_TAG('M','O','N','T')},	/* Mon -> Thailand Mon */
+  {HB_TAG('m','n','x',' '),	HB_TAG_NONE	       },	/* Manikion != Manx */
+  {HB_TAG('m','o','d',' '),	HB_TAG('C','P','P',' ')},	/* Mobilian -> Creoles */
+/*{HB_TAG('m','o','h',' '),	HB_TAG('M','O','H',' ')},*/	/* Mohawk */
+  {HB_TAG('m','o','k',' '),	HB_TAG_NONE	       },	/* Morori != Moksha */
+  {HB_TAG('m','o','p',' '),	HB_TAG('M','Y','N',' ')},	/* Mopán Maya -> Mayan */
+  {HB_TAG('m','o','r',' '),	HB_TAG_NONE	       },	/* Moro != Moroccan */
+/*{HB_TAG('m','o','s',' '),	HB_TAG('M','O','S',' ')},*/	/* Mossi */
+  {HB_TAG('m','p','e',' '),	HB_TAG('M','A','J',' ')},	/* Majang */
+  {HB_TAG('m','q','g',' '),	HB_TAG('M','L','Y',' ')},	/* Kota Bangun Kutai Malay -> Malay */
+  {HB_TAG('m','r','h',' '),	HB_TAG('Q','I','N',' ')},	/* Mara Chin -> Chin */
+  {HB_TAG('m','r','j',' '),	HB_TAG('H','M','A',' ')},	/* Western Mari -> High Mari */
+  {HB_TAG('m','s','c',' '),	HB_TAG('M','N','K',' ')},	/* Sankaran Maninka -> Maninka */
+  {HB_TAG('m','s','h',' '),	HB_TAG('M','L','G',' ')},	/* Masikoro Malagasy -> Malagasy */
+  {HB_TAG('m','s','i',' '),	HB_TAG('M','L','Y',' ')},	/* Sabah Malay -> Malay */
+  {HB_TAG('m','s','i',' '),	HB_TAG('C','P','P',' ')},	/* Sabah Malay -> Creoles */
+  {HB_TAG('m','t','h',' '),	HB_TAG_NONE	       },	/* Munggui != Maithili */
+  {HB_TAG('m','t','r',' '),	HB_TAG('M','A','W',' ')},	/* Mewari -> Marwari */
+  {HB_TAG('m','t','s',' '),	HB_TAG_NONE	       },	/* Yora != Maltese */
+  {HB_TAG('m','u','d',' '),	HB_TAG('C','P','P',' ')},	/* Mednyj Aleut -> Creoles */
+  {HB_TAG('m','u','i',' '),	HB_TAG('M','L','Y',' ')},	/* Musi -> Malay */
+  {HB_TAG('m','u','n',' '),	HB_TAG_NONE	       },	/* Munda [collection] != Mundari */
+  {HB_TAG('m','u','p',' '),	HB_TAG('R','A','J',' ')},	/* Malvi -> Rajasthani */
+  {HB_TAG('m','u','q',' '),	HB_TAG('H','M','N',' ')},	/* Eastern Xiangxi Miao -> Hmong */
+/*{HB_TAG('m','u','s',' '),	HB_TAG('M','U','S',' ')},*/	/* Creek -> Muscogee */
+  {HB_TAG('m','v','b',' '),	HB_TAG('A','T','H',' ')},	/* Mattole -> Athapaskan */
+  {HB_TAG('m','v','e',' '),	HB_TAG('M','A','W',' ')},	/* Marwari (Pakistan) */
+  {HB_TAG('m','v','f',' '),	HB_TAG('M','N','G',' ')},	/* Peripheral Mongolian -> Mongolian */
+  {HB_TAG('m','w','k',' '),	HB_TAG('M','N','K',' ')},	/* Kita Maninkakan -> Maninka */
+/*{HB_TAG('m','w','l',' '),	HB_TAG('M','W','L',' ')},*/	/* Mirandese */
+  {HB_TAG('m','w','q',' '),	HB_TAG('Q','I','N',' ')},	/* Mün Chin -> Chin */
+  {HB_TAG('m','w','r',' '),	HB_TAG('M','A','W',' ')},	/* Marwari [macrolanguage] */
+  {HB_TAG('m','w','w',' '),	HB_TAG('M','W','W',' ')},	/* Hmong Daw */
+  {HB_TAG('m','w','w',' '),	HB_TAG('H','M','N',' ')},	/* Hmong Daw -> Hmong */
+  {HB_TAG('m','y','m',' '),	HB_TAG('M','E','N',' ')},	/* Me’en */
+/*{HB_TAG('m','y','n',' '),	HB_TAG('M','Y','N',' ')},*/	/* Mayan [collection] */
+  {HB_TAG('m','y','q',' '),	HB_TAG('M','N','K',' ')},	/* Forest Maninka (retired code) -> Maninka */
+  {HB_TAG('m','y','v',' '),	HB_TAG('E','R','Z',' ')},	/* Erzya */
+  {HB_TAG('m','z','b',' '),	HB_TAG('B','B','R',' ')},	/* Tumzabt -> Berber */
+/*{HB_TAG('m','z','n',' '),	HB_TAG('M','Z','N',' ')},*/	/* Mazanderani */
+  {HB_TAG('m','z','s',' '),	HB_TAG('C','P','P',' ')},	/* Macanese -> Creoles */
+  {HB_TAG('n','a','g',' '),	HB_TAG('N','A','G',' ')},	/* Naga Pidgin -> Naga-Assamese */
+  {HB_TAG('n','a','g',' '),	HB_TAG('C','P','P',' ')},	/* Naga Pidgin -> Creoles */
+/*{HB_TAG('n','a','h',' '),	HB_TAG('N','A','H',' ')},*/	/* Nahuatl [collection] */
+  {HB_TAG('n','a','n',' '),	HB_TAG('Z','H','S',' ')},	/* Min Nan Chinese -> Chinese, Simplified */
+/*{HB_TAG('n','a','p',' '),	HB_TAG('N','A','P',' ')},*/	/* Neapolitan */
+  {HB_TAG('n','a','s',' '),	HB_TAG_NONE	       },	/* Naasioi != Naskapi */
+  {HB_TAG('n','a','z',' '),	HB_TAG('N','A','H',' ')},	/* Coatepec Nahuatl -> Nahuatl */
+  {HB_TAG('n','c','h',' '),	HB_TAG('N','A','H',' ')},	/* Central Huasteca Nahuatl -> Nahuatl */
+  {HB_TAG('n','c','i',' '),	HB_TAG('N','A','H',' ')},	/* Classical Nahuatl -> Nahuatl */
+  {HB_TAG('n','c','j',' '),	HB_TAG('N','A','H',' ')},	/* Northern Puebla Nahuatl -> Nahuatl */
+  {HB_TAG('n','c','l',' '),	HB_TAG('N','A','H',' ')},	/* Michoacán Nahuatl -> Nahuatl */
+  {HB_TAG('n','c','r',' '),	HB_TAG_NONE	       },	/* Ncane != N-Cree */
+  {HB_TAG('n','c','x',' '),	HB_TAG('N','A','H',' ')},	/* Central Puebla Nahuatl -> Nahuatl */
+  {HB_TAG('n','d','b',' '),	HB_TAG_NONE	       },	/* Kenswei Nsei != Ndebele */
+/*{HB_TAG('n','d','c',' '),	HB_TAG('N','D','C',' ')},*/	/* Ndau */
+  {HB_TAG('n','d','g',' '),	HB_TAG_NONE	       },	/* Ndengereko != Ndonga */
+/*{HB_TAG('n','d','s',' '),	HB_TAG('N','D','S',' ')},*/	/* Low Saxon */
+  {HB_TAG('n','e','f',' '),	HB_TAG('C','P','P',' ')},	/* Nefamese -> Creoles */
+/*{HB_TAG('n','e','w',' '),	HB_TAG('N','E','W',' ')},*/	/* Newari */
+/*{HB_TAG('n','g','a',' '),	HB_TAG('N','G','A',' ')},*/	/* Ngbaka */
+  {HB_TAG('n','g','l',' '),	HB_TAG('L','M','W',' ')},	/* Lomwe */
+  {HB_TAG('n','g','m',' '),	HB_TAG('C','P','P',' ')},	/* Ngatik Men's Creole -> Creoles */
+  {HB_TAG('n','g','o',' '),	HB_TAG('S','X','T',' ')},	/* Ngoni (retired code) -> Sutu */
+  {HB_TAG('n','g','r',' '),	HB_TAG_NONE	       },	/* Engdewu != Nagari */
+  {HB_TAG('n','g','u',' '),	HB_TAG('N','A','H',' ')},	/* Guerrero Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','c',' '),	HB_TAG('N','A','H',' ')},	/* Tabasco Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','d',' '),	HB_TAG('G','U','A',' ')},	/* Chiripá -> Guarani */
+  {HB_TAG('n','h','e',' '),	HB_TAG('N','A','H',' ')},	/* Eastern Huasteca Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','g',' '),	HB_TAG('N','A','H',' ')},	/* Tetelcingo Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','i',' '),	HB_TAG('N','A','H',' ')},	/* Zacatlán-Ahuacatlán-Tepetzintla Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','k',' '),	HB_TAG('N','A','H',' ')},	/* Isthmus-Cosoleacaque Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','m',' '),	HB_TAG('N','A','H',' ')},	/* Morelos Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','n',' '),	HB_TAG('N','A','H',' ')},	/* Central Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','p',' '),	HB_TAG('N','A','H',' ')},	/* Isthmus-Pajapan Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','q',' '),	HB_TAG('N','A','H',' ')},	/* Huaxcaleca Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','t',' '),	HB_TAG('N','A','H',' ')},	/* Ometepec Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','v',' '),	HB_TAG('N','A','H',' ')},	/* Temascaltepec Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','w',' '),	HB_TAG('N','A','H',' ')},	/* Western Huasteca Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','x',' '),	HB_TAG('N','A','H',' ')},	/* Isthmus-Mecayapan Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','y',' '),	HB_TAG('N','A','H',' ')},	/* Northern Oaxaca Nahuatl -> Nahuatl */
+  {HB_TAG('n','h','z',' '),	HB_TAG('N','A','H',' ')},	/* Santa María La Alta Nahuatl -> Nahuatl */
+  {HB_TAG('n','i','q',' '),	HB_TAG('K','A','L',' ')},	/* Nandi -> Kalenjin */
+  {HB_TAG('n','i','s',' '),	HB_TAG_NONE	       },	/* Nimi != Nisi */
+/*{HB_TAG('n','i','u',' '),	HB_TAG('N','I','U',' ')},*/	/* Niuean */
+  {HB_TAG('n','i','v',' '),	HB_TAG('G','I','L',' ')},	/* Gilyak */
+  {HB_TAG('n','j','t',' '),	HB_TAG('C','P','P',' ')},	/* Ndyuka-Trio Pidgin -> Creoles */
+  {HB_TAG('n','j','z',' '),	HB_TAG('N','I','S',' ')},	/* Nyishi -> Nisi */
+  {HB_TAG('n','k','o',' '),	HB_TAG_NONE	       },	/* Nkonya != N’Ko */
+  {HB_TAG('n','k','x',' '),	HB_TAG('I','J','O',' ')},	/* Nkoroo -> Ijo */
+  {HB_TAG('n','l','a',' '),	HB_TAG('B','M','L',' ')},	/* Ngombale -> Bamileke */
+  {HB_TAG('n','l','e',' '),	HB_TAG('L','U','H',' ')},	/* East Nyala -> Luyia */
+  {HB_TAG('n','l','n',' '),	HB_TAG('N','A','H',' ')},	/* Durango Nahuatl (retired code) -> Nahuatl */
+  {HB_TAG('n','l','v',' '),	HB_TAG('N','A','H',' ')},	/* Orizaba Nahuatl -> Nahuatl */
+  {HB_TAG('n','n','h',' '),	HB_TAG('B','M','L',' ')},	/* Ngiemboon -> Bamileke */
+  {HB_TAG('n','n','z',' '),	HB_TAG('B','M','L',' ')},	/* Nda'nda' -> Bamileke */
+  {HB_TAG('n','o','d',' '),	HB_TAG('N','T','A',' ')},	/* Northern Thai -> Northern Tai */
+/*{HB_TAG('n','o','e',' '),	HB_TAG('N','O','E',' ')},*/	/* Nimadi */
+/*{HB_TAG('n','o','g',' '),	HB_TAG('N','O','G',' ')},*/	/* Nogai */
+/*{HB_TAG('n','o','v',' '),	HB_TAG('N','O','V',' ')},*/	/* Novial */
+  {HB_TAG('n','p','i',' '),	HB_TAG('N','E','P',' ')},	/* Nepali */
+  {HB_TAG('n','p','l',' '),	HB_TAG('N','A','H',' ')},	/* Southeastern Puebla Nahuatl -> Nahuatl */
+  {HB_TAG('n','q','o',' '),	HB_TAG('N','K','O',' ')},	/* N’Ko */
+  {HB_TAG('n','s','k',' '),	HB_TAG('N','A','S',' ')},	/* Naskapi */
+  {HB_TAG('n','s','m',' '),	HB_TAG_NONE	       },	/* Sumi Naga != Northern Sami */
+/*{HB_TAG('n','s','o',' '),	HB_TAG('N','S','O',' ')},*/	/* Northern Sotho */
+  {HB_TAG('n','s','u',' '),	HB_TAG('N','A','H',' ')},	/* Sierra Negra Nahuatl -> Nahuatl */
+  {HB_TAG('n','t','o',' '),	HB_TAG_NONE	       },	/* Ntomba != Esperanto */
+  {HB_TAG('n','u','e',' '),	HB_TAG('B','A','D','0')},	/* Ngundu -> Banda */
+  {HB_TAG('n','u','u',' '),	HB_TAG('B','A','D','0')},	/* Ngbundu -> Banda */
+  {HB_TAG('n','u','z',' '),	HB_TAG('N','A','H',' ')},	/* Tlamacazapa Nahuatl -> Nahuatl */
+  {HB_TAG('n','w','e',' '),	HB_TAG('B','M','L',' ')},	/* Ngwe -> Bamileke */
+  {HB_TAG('n','y','d',' '),	HB_TAG('L','U','H',' ')},	/* Nyore -> Luyia */
+/*{HB_TAG('n','y','m',' '),	HB_TAG('N','Y','M',' ')},*/	/* Nyamwezi */
+  {HB_TAG('n','y','n',' '),	HB_TAG('N','K','L',' ')},	/* Nyankole */
+/*{HB_TAG('n','z','a',' '),	HB_TAG('N','Z','A',' ')},*/	/* Tigon Mbembe -> Mbembe Tigon */
+/*{HB_TAG('o','j','b',' '),	HB_TAG('O','J','B',' ')},*/	/* Northwestern Ojibwa -> Ojibway */
+  {HB_TAG('o','j','c',' '),	HB_TAG('O','J','B',' ')},	/* Central Ojibwa -> Ojibway */
+  {HB_TAG('o','j','g',' '),	HB_TAG('O','J','B',' ')},	/* Eastern Ojibwa -> Ojibway */
+  {HB_TAG('o','j','s',' '),	HB_TAG('O','C','R',' ')},	/* Severn Ojibwa -> Oji-Cree */
+  {HB_TAG('o','j','s',' '),	HB_TAG('O','J','B',' ')},	/* Severn Ojibwa -> Ojibway */
+  {HB_TAG('o','j','w',' '),	HB_TAG('O','J','B',' ')},	/* Western Ojibwa -> Ojibway */
+  {HB_TAG('o','k','d',' '),	HB_TAG('I','J','O',' ')},	/* Okodia -> Ijo */
+  {HB_TAG('o','k','i',' '),	HB_TAG('K','A','L',' ')},	/* Okiek -> Kalenjin */
+  {HB_TAG('o','k','m',' '),	HB_TAG('K','O','H',' ')},	/* Middle Korean (10th-16th cent.) -> Korean Old Hangul */
+  {HB_TAG('o','k','r',' '),	HB_TAG('I','J','O',' ')},	/* Kirike -> Ijo */
+  {HB_TAG('o','n','x',' '),	HB_TAG('C','P','P',' ')},	/* Onin Based Pidgin -> Creoles */
+  {HB_TAG('o','o','r',' '),	HB_TAG('C','P','P',' ')},	/* Oorlams -> Creoles */
+  {HB_TAG('o','r','c',' '),	HB_TAG('O','R','O',' ')},	/* Orma -> Oromo */
+  {HB_TAG('o','r','n',' '),	HB_TAG('M','L','Y',' ')},	/* Orang Kanaq -> Malay */
+  {HB_TAG('o','r','o',' '),	HB_TAG_NONE	       },	/* Orokolo != Oromo */
+  {HB_TAG('o','r','r',' '),	HB_TAG('I','J','O',' ')},	/* Oruma -> Ijo */
+  {HB_TAG('o','r','s',' '),	HB_TAG('M','L','Y',' ')},	/* Orang Seletar -> Malay */
+  {HB_TAG('o','r','y',' '),	HB_TAG('O','R','I',' ')},	/* Odia (formerly Oriya) */
+  {HB_TAG('o','t','w',' '),	HB_TAG('O','J','B',' ')},	/* Ottawa -> Ojibway */
+  {HB_TAG('o','u','a',' '),	HB_TAG('B','B','R',' ')},	/* Tagargrent -> Berber */
+  {HB_TAG('p','a','a',' '),	HB_TAG_NONE	       },	/* Papuan [collection] != Palestinian Aramaic */
+/*{HB_TAG('p','a','g',' '),	HB_TAG('P','A','G',' ')},*/	/* Pangasinan */
+  {HB_TAG('p','a','l',' '),	HB_TAG_NONE	       },	/* Pahlavi != Pali */
+/*{HB_TAG('p','a','m',' '),	HB_TAG('P','A','M',' ')},*/	/* Pampanga -> Pampangan */
+  {HB_TAG('p','a','p',' '),	HB_TAG('P','A','P','0')},	/* Papiamento -> Papiamentu */
+  {HB_TAG('p','a','p',' '),	HB_TAG('C','P','P',' ')},	/* Papiamento -> Creoles */
+  {HB_TAG('p','a','s',' '),	HB_TAG_NONE	       },	/* Papasena != Pashto */
+/*{HB_TAG('p','a','u',' '),	HB_TAG('P','A','U',' ')},*/	/* Palauan */
+  {HB_TAG('p','b','t',' '),	HB_TAG('P','A','S',' ')},	/* Southern Pashto -> Pashto */
+  {HB_TAG('p','b','u',' '),	HB_TAG('P','A','S',' ')},	/* Northern Pashto -> Pashto */
+/*{HB_TAG('p','c','c',' '),	HB_TAG('P','C','C',' ')},*/	/* Bouyei */
+/*{HB_TAG('p','c','d',' '),	HB_TAG('P','C','D',' ')},*/	/* Picard */
+  {HB_TAG('p','c','e',' '),	HB_TAG('P','L','G',' ')},	/* Ruching Palaung -> Palaung */
+  {HB_TAG('p','c','k',' '),	HB_TAG('Q','I','N',' ')},	/* Paite Chin -> Chin */
+  {HB_TAG('p','c','m',' '),	HB_TAG('C','P','P',' ')},	/* Nigerian Pidgin -> Creoles */
+/*{HB_TAG('p','d','c',' '),	HB_TAG('P','D','C',' ')},*/	/* Pennsylvania German */
+  {HB_TAG('p','d','u',' '),	HB_TAG('K','R','N',' ')},	/* Kayan -> Karen */
+  {HB_TAG('p','e','a',' '),	HB_TAG('C','P','P',' ')},	/* Peranakan Indonesian -> Creoles */
+  {HB_TAG('p','e','l',' '),	HB_TAG('M','L','Y',' ')},	/* Pekal -> Malay */
+  {HB_TAG('p','e','s',' '),	HB_TAG('F','A','R',' ')},	/* Iranian Persian -> Persian */
+  {HB_TAG('p','e','y',' '),	HB_TAG('C','P','P',' ')},	/* Petjo -> Creoles */
+  {HB_TAG('p','g','a',' '),	HB_TAG('A','R','A',' ')},	/* Sudanese Creole Arabic -> Arabic */
+  {HB_TAG('p','g','a',' '),	HB_TAG('C','P','P',' ')},	/* Sudanese Creole Arabic -> Creoles */
+/*{HB_TAG('p','h','k',' '),	HB_TAG('P','H','K',' ')},*/	/* Phake */
+  {HB_TAG('p','i','h',' '),	HB_TAG('P','I','H',' ')},	/* Pitcairn-Norfolk -> Norfolk */
+  {HB_TAG('p','i','h',' '),	HB_TAG('C','P','P',' ')},	/* Pitcairn-Norfolk -> Creoles */
+  {HB_TAG('p','i','l',' '),	HB_TAG_NONE	       },	/* Yom != Filipino */
+  {HB_TAG('p','i','s',' '),	HB_TAG('C','P','P',' ')},	/* Pijin -> Creoles */
+  {HB_TAG('p','k','h',' '),	HB_TAG('Q','I','N',' ')},	/* Pankhu -> Chin */
+  {HB_TAG('p','k','o',' '),	HB_TAG('K','A','L',' ')},	/* Pökoot -> Kalenjin */
+  {HB_TAG('p','l','g',' '),	HB_TAG_NONE	       },	/* Pilagá != Palaung */
+  {HB_TAG('p','l','k',' '),	HB_TAG_NONE	       },	/* Kohistani Shina != Polish */
+  {HB_TAG('p','l','l',' '),	HB_TAG('P','L','G',' ')},	/* Shwe Palaung -> Palaung */
+  {HB_TAG('p','l','n',' '),	HB_TAG('C','P','P',' ')},	/* Palenquero -> Creoles */
+  {HB_TAG('p','l','p',' '),	HB_TAG('P','A','P',' ')},	/* Palpa (retired code) */
+  {HB_TAG('p','l','t',' '),	HB_TAG('M','L','G',' ')},	/* Plateau Malagasy -> Malagasy */
+  {HB_TAG('p','m','l',' '),	HB_TAG('C','P','P',' ')},	/* Lingua Franca -> Creoles */
+/*{HB_TAG('p','m','s',' '),	HB_TAG('P','M','S',' ')},*/	/* Piemontese */
+  {HB_TAG('p','m','y',' '),	HB_TAG('C','P','P',' ')},	/* Papuan Malay -> Creoles */
+/*{HB_TAG('p','n','b',' '),	HB_TAG('P','N','B',' ')},*/	/* Western Panjabi */
+  {HB_TAG('p','o','c',' '),	HB_TAG('M','Y','N',' ')},	/* Poqomam -> Mayan */
+  {HB_TAG('p','o','h',' '),	HB_TAG('P','O','H',' ')},	/* Poqomchi' -> Pocomchi */
+  {HB_TAG('p','o','h',' '),	HB_TAG('M','Y','N',' ')},	/* Poqomchi' -> Mayan */
+/*{HB_TAG('p','o','n',' '),	HB_TAG('P','O','N',' ')},*/	/* Pohnpeian */
+  {HB_TAG('p','o','v',' '),	HB_TAG('C','P','P',' ')},	/* Upper Guinea Crioulo -> Creoles */
+  {HB_TAG('p','p','a',' '),	HB_TAG('B','A','G',' ')},	/* Pao (retired code) -> Baghelkhandi */
+  {HB_TAG('p','r','e',' '),	HB_TAG('C','P','P',' ')},	/* Principense -> Creoles */
+/*{HB_TAG('p','r','o',' '),	HB_TAG('P','R','O',' ')},*/	/* Old Provençal (to 1500) -> Provençal / Old Provençal */
+  {HB_TAG('p','r','s',' '),	HB_TAG('D','R','I',' ')},	/* Dari */
+  {HB_TAG('p','r','s',' '),	HB_TAG('F','A','R',' ')},	/* Dari -> Persian */
+  {HB_TAG('p','s','e',' '),	HB_TAG('M','L','Y',' ')},	/* Central Malay -> Malay */
+  {HB_TAG('p','s','t',' '),	HB_TAG('P','A','S',' ')},	/* Central Pashto -> Pashto */
+  {HB_TAG('p','u','b',' '),	HB_TAG('Q','I','N',' ')},	/* Purum -> Chin */
+  {HB_TAG('p','u','z',' '),	HB_TAG('Q','I','N',' ')},	/* Purum Naga (retired code) -> Chin */
+  {HB_TAG('p','w','o',' '),	HB_TAG('P','W','O',' ')},	/* Pwo Western Karen -> Western Pwo Karen */
+  {HB_TAG('p','w','o',' '),	HB_TAG('K','R','N',' ')},	/* Pwo Western Karen -> Karen */
+  {HB_TAG('p','w','w',' '),	HB_TAG('K','R','N',' ')},	/* Pwo Northern Karen -> Karen */
+  {HB_TAG('q','u','b',' '),	HB_TAG('Q','W','H',' ')},	/* Huallaga Huánuco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','u','b',' '),	HB_TAG('Q','U','Z',' ')},	/* Huallaga Huánuco Quechua -> Quechua */
+  {HB_TAG('q','u','c',' '),	HB_TAG('Q','U','C',' ')},	/* K’iche’ */
+  {HB_TAG('q','u','c',' '),	HB_TAG('M','Y','N',' ')},	/* K'iche' -> Mayan */
+  {HB_TAG('q','u','d',' '),	HB_TAG('Q','V','I',' ')},	/* Calderón Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','u','d',' '),	HB_TAG('Q','U','Z',' ')},	/* Calderón Highland Quichua -> Quechua */
+  {HB_TAG('q','u','f',' '),	HB_TAG('Q','U','Z',' ')},	/* Lambayeque Quechua -> Quechua */
+  {HB_TAG('q','u','g',' '),	HB_TAG('Q','V','I',' ')},	/* Chimborazo Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','u','g',' '),	HB_TAG('Q','U','Z',' ')},	/* Chimborazo Highland Quichua -> Quechua */
+  {HB_TAG('q','u','h',' '),	HB_TAG('Q','U','H',' ')},	/* South Bolivian Quechua -> Quechua (Bolivia) */
+  {HB_TAG('q','u','h',' '),	HB_TAG('Q','U','Z',' ')},	/* South Bolivian Quechua -> Quechua */
+  {HB_TAG('q','u','k',' '),	HB_TAG('Q','U','Z',' ')},	/* Chachapoyas Quechua -> Quechua */
+  {HB_TAG('q','u','l',' '),	HB_TAG('Q','U','H',' ')},	/* North Bolivian Quechua -> Quechua (Bolivia) */
+  {HB_TAG('q','u','l',' '),	HB_TAG('Q','U','Z',' ')},	/* North Bolivian Quechua -> Quechua */
+  {HB_TAG('q','u','m',' '),	HB_TAG('M','Y','N',' ')},	/* Sipacapense -> Mayan */
+  {HB_TAG('q','u','p',' '),	HB_TAG('Q','V','I',' ')},	/* Southern Pastaza Quechua -> Quechua (Ecuador) */
+  {HB_TAG('q','u','p',' '),	HB_TAG('Q','U','Z',' ')},	/* Southern Pastaza Quechua -> Quechua */
+  {HB_TAG('q','u','r',' '),	HB_TAG('Q','W','H',' ')},	/* Yanahuanca Pasco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','u','r',' '),	HB_TAG('Q','U','Z',' ')},	/* Yanahuanca Pasco Quechua -> Quechua */
+  {HB_TAG('q','u','s',' '),	HB_TAG('Q','U','H',' ')},	/* Santiago del Estero Quichua -> Quechua (Bolivia) */
+  {HB_TAG('q','u','s',' '),	HB_TAG('Q','U','Z',' ')},	/* Santiago del Estero Quichua -> Quechua */
+  {HB_TAG('q','u','v',' '),	HB_TAG('M','Y','N',' ')},	/* Sacapulteco -> Mayan */
+  {HB_TAG('q','u','w',' '),	HB_TAG('Q','V','I',' ')},	/* Tena Lowland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','u','w',' '),	HB_TAG('Q','U','Z',' ')},	/* Tena Lowland Quichua -> Quechua */
+  {HB_TAG('q','u','x',' '),	HB_TAG('Q','W','H',' ')},	/* Yauyos Quechua -> Quechua (Peru) */
+  {HB_TAG('q','u','x',' '),	HB_TAG('Q','U','Z',' ')},	/* Yauyos Quechua -> Quechua */
+  {HB_TAG('q','u','y',' '),	HB_TAG('Q','U','Z',' ')},	/* Ayacucho Quechua -> Quechua */
+/*{HB_TAG('q','u','z',' '),	HB_TAG('Q','U','Z',' ')},*/	/* Cusco Quechua -> Quechua */
+  {HB_TAG('q','v','a',' '),	HB_TAG('Q','W','H',' ')},	/* Ambo-Pasco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','a',' '),	HB_TAG('Q','U','Z',' ')},	/* Ambo-Pasco Quechua -> Quechua */
+  {HB_TAG('q','v','c',' '),	HB_TAG('Q','U','Z',' ')},	/* Cajamarca Quechua -> Quechua */
+  {HB_TAG('q','v','e',' '),	HB_TAG('Q','U','Z',' ')},	/* Eastern Apurímac Quechua -> Quechua */
+  {HB_TAG('q','v','h',' '),	HB_TAG('Q','W','H',' ')},	/* Huamalíes-Dos de Mayo Huánuco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','h',' '),	HB_TAG('Q','U','Z',' ')},	/* Huamalíes-Dos de Mayo Huánuco Quechua -> Quechua */
+  {HB_TAG('q','v','i',' '),	HB_TAG('Q','V','I',' ')},	/* Imbabura Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','v','i',' '),	HB_TAG('Q','U','Z',' ')},	/* Imbabura Highland Quichua -> Quechua */
+  {HB_TAG('q','v','j',' '),	HB_TAG('Q','V','I',' ')},	/* Loja Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','v','j',' '),	HB_TAG('Q','U','Z',' ')},	/* Loja Highland Quichua -> Quechua */
+  {HB_TAG('q','v','l',' '),	HB_TAG('Q','W','H',' ')},	/* Cajatambo North Lima Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','l',' '),	HB_TAG('Q','U','Z',' ')},	/* Cajatambo North Lima Quechua -> Quechua */
+  {HB_TAG('q','v','m',' '),	HB_TAG('Q','W','H',' ')},	/* Margos-Yarowilca-Lauricocha Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','m',' '),	HB_TAG('Q','U','Z',' ')},	/* Margos-Yarowilca-Lauricocha Quechua -> Quechua */
+  {HB_TAG('q','v','n',' '),	HB_TAG('Q','W','H',' ')},	/* North Junín Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','n',' '),	HB_TAG('Q','U','Z',' ')},	/* North Junín Quechua -> Quechua */
+  {HB_TAG('q','v','o',' '),	HB_TAG('Q','V','I',' ')},	/* Napo Lowland Quechua -> Quechua (Ecuador) */
+  {HB_TAG('q','v','o',' '),	HB_TAG('Q','U','Z',' ')},	/* Napo Lowland Quechua -> Quechua */
+  {HB_TAG('q','v','p',' '),	HB_TAG('Q','W','H',' ')},	/* Pacaraos Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','p',' '),	HB_TAG('Q','U','Z',' ')},	/* Pacaraos Quechua -> Quechua */
+  {HB_TAG('q','v','s',' '),	HB_TAG('Q','U','Z',' ')},	/* San Martín Quechua -> Quechua */
+  {HB_TAG('q','v','w',' '),	HB_TAG('Q','W','H',' ')},	/* Huaylla Wanca Quechua -> Quechua (Peru) */
+  {HB_TAG('q','v','w',' '),	HB_TAG('Q','U','Z',' ')},	/* Huaylla Wanca Quechua -> Quechua */
+  {HB_TAG('q','v','z',' '),	HB_TAG('Q','V','I',' ')},	/* Northern Pastaza Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','v','z',' '),	HB_TAG('Q','U','Z',' ')},	/* Northern Pastaza Quichua -> Quechua */
+  {HB_TAG('q','w','a',' '),	HB_TAG('Q','W','H',' ')},	/* Corongo Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','w','a',' '),	HB_TAG('Q','U','Z',' ')},	/* Corongo Ancash Quechua -> Quechua */
+  {HB_TAG('q','w','c',' '),	HB_TAG('Q','U','Z',' ')},	/* Classical Quechua -> Quechua */
+  {HB_TAG('q','w','h',' '),	HB_TAG('Q','W','H',' ')},	/* Huaylas Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','w','h',' '),	HB_TAG('Q','U','Z',' ')},	/* Huaylas Ancash Quechua -> Quechua */
+  {HB_TAG('q','w','s',' '),	HB_TAG('Q','W','H',' ')},	/* Sihuas Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','w','s',' '),	HB_TAG('Q','U','Z',' ')},	/* Sihuas Ancash Quechua -> Quechua */
+  {HB_TAG('q','w','t',' '),	HB_TAG('A','T','H',' ')},	/* Kwalhioqua-Tlatskanai -> Athapaskan */
+  {HB_TAG('q','x','a',' '),	HB_TAG('Q','W','H',' ')},	/* Chiquián Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','a',' '),	HB_TAG('Q','U','Z',' ')},	/* Chiquián Ancash Quechua -> Quechua */
+  {HB_TAG('q','x','c',' '),	HB_TAG('Q','W','H',' ')},	/* Chincha Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','c',' '),	HB_TAG('Q','U','Z',' ')},	/* Chincha Quechua -> Quechua */
+  {HB_TAG('q','x','h',' '),	HB_TAG('Q','W','H',' ')},	/* Panao Huánuco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','h',' '),	HB_TAG('Q','U','Z',' ')},	/* Panao Huánuco Quechua -> Quechua */
+  {HB_TAG('q','x','l',' '),	HB_TAG('Q','V','I',' ')},	/* Salasaca Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','x','l',' '),	HB_TAG('Q','U','Z',' ')},	/* Salasaca Highland Quichua -> Quechua */
+  {HB_TAG('q','x','n',' '),	HB_TAG('Q','W','H',' ')},	/* Northern Conchucos Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','n',' '),	HB_TAG('Q','U','Z',' ')},	/* Northern Conchucos Ancash Quechua -> Quechua */
+  {HB_TAG('q','x','o',' '),	HB_TAG('Q','W','H',' ')},	/* Southern Conchucos Ancash Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','o',' '),	HB_TAG('Q','U','Z',' ')},	/* Southern Conchucos Ancash Quechua -> Quechua */
+  {HB_TAG('q','x','p',' '),	HB_TAG('Q','U','Z',' ')},	/* Puno Quechua -> Quechua */
+  {HB_TAG('q','x','r',' '),	HB_TAG('Q','V','I',' ')},	/* Cañar Highland Quichua -> Quechua (Ecuador) */
+  {HB_TAG('q','x','r',' '),	HB_TAG('Q','U','Z',' ')},	/* Cañar Highland Quichua -> Quechua */
+  {HB_TAG('q','x','t',' '),	HB_TAG('Q','W','H',' ')},	/* Santa Ana de Tusi Pasco Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','t',' '),	HB_TAG('Q','U','Z',' ')},	/* Santa Ana de Tusi Pasco Quechua -> Quechua */
+  {HB_TAG('q','x','u',' '),	HB_TAG('Q','U','Z',' ')},	/* Arequipa-La Unión Quechua -> Quechua */
+  {HB_TAG('q','x','w',' '),	HB_TAG('Q','W','H',' ')},	/* Jauja Wanca Quechua -> Quechua (Peru) */
+  {HB_TAG('q','x','w',' '),	HB_TAG('Q','U','Z',' ')},	/* Jauja Wanca Quechua -> Quechua */
+  {HB_TAG('r','a','g',' '),	HB_TAG('L','U','H',' ')},	/* Logooli -> Luyia */
+/*{HB_TAG('r','a','j',' '),	HB_TAG('R','A','J',' ')},*/	/* Rajasthani [macrolanguage] */
+  {HB_TAG('r','a','l',' '),	HB_TAG('Q','I','N',' ')},	/* Ralte -> Chin */
+/*{HB_TAG('r','a','r',' '),	HB_TAG('R','A','R',' ')},*/	/* Rarotongan */
+  {HB_TAG('r','b','b',' '),	HB_TAG('P','L','G',' ')},	/* Rumai Palaung -> Palaung */
+  {HB_TAG('r','b','l',' '),	HB_TAG('B','I','K',' ')},	/* Miraya Bikol -> Bikol */
+  {HB_TAG('r','c','f',' '),	HB_TAG('C','P','P',' ')},	/* Réunion Creole French -> Creoles */
+/*{HB_TAG('r','e','j',' '),	HB_TAG('R','E','J',' ')},*/	/* Rejang */
+/*{HB_TAG('r','h','g',' '),	HB_TAG('R','H','G',' ')},*/	/* Rohingya */
+/*{HB_TAG('r','i','a',' '),	HB_TAG('R','I','A',' ')},*/	/* Riang (India) */
+  {HB_TAG('r','i','f',' '),	HB_TAG('R','I','F',' ')},	/* Tarifit */
+  {HB_TAG('r','i','f',' '),	HB_TAG('B','B','R',' ')},	/* Tarifit -> Berber */
+/*{HB_TAG('r','i','t',' '),	HB_TAG('R','I','T',' ')},*/	/* Ritharrngu -> Ritarungo */
+  {HB_TAG('r','k','i',' '),	HB_TAG('A','R','K',' ')},	/* Rakhine */
+/*{HB_TAG('r','k','w',' '),	HB_TAG('R','K','W',' ')},*/	/* Arakwal */
+  {HB_TAG('r','m','c',' '),	HB_TAG('R','O','Y',' ')},	/* Carpathian Romani -> Romany */
+  {HB_TAG('r','m','f',' '),	HB_TAG('R','O','Y',' ')},	/* Kalo Finnish Romani -> Romany */
+  {HB_TAG('r','m','l',' '),	HB_TAG('R','O','Y',' ')},	/* Baltic Romani -> Romany */
+  {HB_TAG('r','m','n',' '),	HB_TAG('R','O','Y',' ')},	/* Balkan Romani -> Romany */
+  {HB_TAG('r','m','o',' '),	HB_TAG('R','O','Y',' ')},	/* Sinte Romani -> Romany */
+  {HB_TAG('r','m','s',' '),	HB_TAG_NONE	       },	/* Romanian Sign Language != Romansh */
+  {HB_TAG('r','m','w',' '),	HB_TAG('R','O','Y',' ')},	/* Welsh Romani -> Romany */
+  {HB_TAG('r','m','y',' '),	HB_TAG('R','M','Y',' ')},	/* Vlax Romani */
+  {HB_TAG('r','m','y',' '),	HB_TAG('R','O','Y',' ')},	/* Vlax Romani -> Romany */
+  {HB_TAG('r','m','z',' '),	HB_TAG('A','R','K',' ')},	/* Marma -> Rakhine */
+  {HB_TAG('r','o','m',' '),	HB_TAG('R','O','Y',' ')},	/* Romany [macrolanguage] */
+  {HB_TAG('r','o','p',' '),	HB_TAG('C','P','P',' ')},	/* Kriol -> Creoles */
+  {HB_TAG('r','t','c',' '),	HB_TAG('Q','I','N',' ')},	/* Rungtu Chin -> Chin */
+/*{HB_TAG('r','t','m',' '),	HB_TAG('R','T','M',' ')},*/	/* Rotuman */
+  {HB_TAG('r','u','e',' '),	HB_TAG('R','S','Y',' ')},	/* Rusyn */
+/*{HB_TAG('r','u','p',' '),	HB_TAG('R','U','P',' ')},*/	/* Aromanian */
+  {HB_TAG('r','w','r',' '),	HB_TAG('M','A','W',' ')},	/* Marwari (India) */
+  {HB_TAG('s','a','d',' '),	HB_TAG_NONE	       },	/* Sandawe != Sadri */
+  {HB_TAG('s','a','h',' '),	HB_TAG('Y','A','K',' ')},	/* Yakut -> Sakha */
+  {HB_TAG('s','a','m',' '),	HB_TAG('P','A','A',' ')},	/* Samaritan Aramaic -> Palestinian Aramaic */
+/*{HB_TAG('s','a','s',' '),	HB_TAG('S','A','S',' ')},*/	/* Sasak */
+/*{HB_TAG('s','a','t',' '),	HB_TAG('S','A','T',' ')},*/	/* Santali */
+  {HB_TAG('s','a','y',' '),	HB_TAG_NONE	       },	/* Saya != Sayisi */
+  {HB_TAG('s','c','f',' '),	HB_TAG('C','P','P',' ')},	/* San Miguel Creole French -> Creoles */
+  {HB_TAG('s','c','h',' '),	HB_TAG('Q','I','N',' ')},	/* Sakachep -> Chin */
+  {HB_TAG('s','c','i',' '),	HB_TAG('C','P','P',' ')},	/* Sri Lankan Creole Malay -> Creoles */
+  {HB_TAG('s','c','k',' '),	HB_TAG('S','A','D',' ')},	/* Sadri */
+/*{HB_TAG('s','c','n',' '),	HB_TAG('S','C','N',' ')},*/	/* Sicilian */
+/*{HB_TAG('s','c','o',' '),	HB_TAG('S','C','O',' ')},*/	/* Scots */
+  {HB_TAG('s','c','s',' '),	HB_TAG('S','C','S',' ')},	/* North Slavey */
+  {HB_TAG('s','c','s',' '),	HB_TAG('S','L','A',' ')},	/* North Slavey -> Slavey */
+  {HB_TAG('s','c','s',' '),	HB_TAG('A','T','H',' ')},	/* North Slavey -> Athapaskan */
+  {HB_TAG('s','d','c',' '),	HB_TAG('S','R','D',' ')},	/* Sassarese Sardinian -> Sardinian */
+  {HB_TAG('s','d','h',' '),	HB_TAG('K','U','R',' ')},	/* Southern Kurdish -> Kurdish */
+  {HB_TAG('s','d','n',' '),	HB_TAG('S','R','D',' ')},	/* Gallurese Sardinian -> Sardinian */
+  {HB_TAG('s','d','s',' '),	HB_TAG('B','B','R',' ')},	/* Sened -> Berber */
+  {HB_TAG('s','e','h',' '),	HB_TAG('S','N','A',' ')},	/* Sena */
+  {HB_TAG('s','e','k',' '),	HB_TAG('A','T','H',' ')},	/* Sekani -> Athapaskan */
+/*{HB_TAG('s','e','l',' '),	HB_TAG('S','E','L',' ')},*/	/* Selkup */
+  {HB_TAG('s','e','z',' '),	HB_TAG('Q','I','N',' ')},	/* Senthang Chin -> Chin */
+  {HB_TAG('s','f','m',' '),	HB_TAG('S','F','M',' ')},	/* Small Flowery Miao */
+  {HB_TAG('s','f','m',' '),	HB_TAG('H','M','N',' ')},	/* Small Flowery Miao -> Hmong */
+/*{HB_TAG('s','g','a',' '),	HB_TAG('S','G','A',' ')},*/	/* Old Irish (to 900) */
+  {HB_TAG('s','g','c',' '),	HB_TAG('K','A','L',' ')},	/* Kipsigis -> Kalenjin */
+  {HB_TAG('s','g','o',' '),	HB_TAG_NONE	       },	/* Songa (retired code) != Sango */
+/*{HB_TAG('s','g','s',' '),	HB_TAG('S','G','S',' ')},*/	/* Samogitian */
+  {HB_TAG('s','g','w',' '),	HB_TAG('C','H','G',' ')},	/* Sebat Bet Gurage -> Chaha Gurage */
+  {HB_TAG('s','h','i',' '),	HB_TAG('S','H','I',' ')},	/* Tachelhit */
+  {HB_TAG('s','h','i',' '),	HB_TAG('B','B','R',' ')},	/* Tachelhit -> Berber */
+  {HB_TAG('s','h','l',' '),	HB_TAG('Q','I','N',' ')},	/* Shendu -> Chin */
+/*{HB_TAG('s','h','n',' '),	HB_TAG('S','H','N',' ')},*/	/* Shan */
+  {HB_TAG('s','h','u',' '),	HB_TAG('A','R','A',' ')},	/* Chadian Arabic -> Arabic */
+  {HB_TAG('s','h','y',' '),	HB_TAG('B','B','R',' ')},	/* Tachawit -> Berber */
+  {HB_TAG('s','i','b',' '),	HB_TAG_NONE	       },	/* Sebop != Sibe */
+/*{HB_TAG('s','i','d',' '),	HB_TAG('S','I','D',' ')},*/	/* Sidamo */
+  {HB_TAG('s','i','g',' '),	HB_TAG_NONE	       },	/* Paasaal != Silte Gurage */
+  {HB_TAG('s','i','z',' '),	HB_TAG('B','B','R',' ')},	/* Siwi -> Berber */
+  {HB_TAG('s','j','d',' '),	HB_TAG('K','S','M',' ')},	/* Kildin Sami */
+  {HB_TAG('s','j','o',' '),	HB_TAG('S','I','B',' ')},	/* Xibe -> Sibe */
+  {HB_TAG('s','j','s',' '),	HB_TAG('B','B','R',' ')},	/* Senhaja De Srair -> Berber */
+  {HB_TAG('s','k','g',' '),	HB_TAG('M','L','G',' ')},	/* Sakalava Malagasy -> Malagasy */
+  {HB_TAG('s','k','r',' '),	HB_TAG('S','R','K',' ')},	/* Saraiki */
+  {HB_TAG('s','k','s',' '),	HB_TAG_NONE	       },	/* Maia != Skolt Sami */
+  {HB_TAG('s','k','w',' '),	HB_TAG('C','P','P',' ')},	/* Skepi Creole Dutch -> Creoles */
+  {HB_TAG('s','k','y',' '),	HB_TAG_NONE	       },	/* Sikaiana != Slovak */
+  {HB_TAG('s','l','a',' '),	HB_TAG_NONE	       },	/* Slavic [collection] != Slavey */
+  {HB_TAG('s','m','a',' '),	HB_TAG('S','S','M',' ')},	/* Southern Sami */
+  {HB_TAG('s','m','d',' '),	HB_TAG('M','B','N',' ')},	/* Sama (retired code) -> Mbundu */
+  {HB_TAG('s','m','j',' '),	HB_TAG('L','S','M',' ')},	/* Lule Sami */
+  {HB_TAG('s','m','l',' '),	HB_TAG_NONE	       },	/* Central Sama != Somali */
+  {HB_TAG('s','m','n',' '),	HB_TAG('I','S','M',' ')},	/* Inari Sami */
+  {HB_TAG('s','m','s',' '),	HB_TAG('S','K','S',' ')},	/* Skolt Sami */
+  {HB_TAG('s','m','t',' '),	HB_TAG('Q','I','N',' ')},	/* Simte -> Chin */
+  {HB_TAG('s','n','b',' '),	HB_TAG('I','B','A',' ')},	/* Sebuyau (retired code) -> Iban */
+  {HB_TAG('s','n','h',' '),	HB_TAG_NONE	       },	/* Shinabo (retired code) != Sinhala (Sinhalese) */
+/*{HB_TAG('s','n','k',' '),	HB_TAG('S','N','K',' ')},*/	/* Soninke */
+  {HB_TAG('s','o','g',' '),	HB_TAG_NONE	       },	/* Sogdian != Sodo Gurage */
+/*{HB_TAG('s','o','p',' '),	HB_TAG('S','O','P',' ')},*/	/* Songe */
+  {HB_TAG('s','p','v',' '),	HB_TAG('O','R','I',' ')},	/* Sambalpuri -> Odia (formerly Oriya) */
+  {HB_TAG('s','p','y',' '),	HB_TAG('K','A','L',' ')},	/* Sabaot -> Kalenjin */
+  {HB_TAG('s','r','b',' '),	HB_TAG_NONE	       },	/* Sora != Serbian */
+  {HB_TAG('s','r','c',' '),	HB_TAG('S','R','D',' ')},	/* Logudorese Sardinian -> Sardinian */
+  {HB_TAG('s','r','k',' '),	HB_TAG_NONE	       },	/* Serudung Murut != Saraiki */
+  {HB_TAG('s','r','m',' '),	HB_TAG('C','P','P',' ')},	/* Saramaccan -> Creoles */
+  {HB_TAG('s','r','n',' '),	HB_TAG('C','P','P',' ')},	/* Sranan Tongo -> Creoles */
+  {HB_TAG('s','r','o',' '),	HB_TAG('S','R','D',' ')},	/* Campidanese Sardinian -> Sardinian */
+/*{HB_TAG('s','r','r',' '),	HB_TAG('S','R','R',' ')},*/	/* Serer */
+  {HB_TAG('s','r','s',' '),	HB_TAG('A','T','H',' ')},	/* Sarsi -> Athapaskan */
+  {HB_TAG('s','s','h',' '),	HB_TAG('A','R','A',' ')},	/* Shihhi Arabic -> Arabic */
+  {HB_TAG('s','s','l',' '),	HB_TAG_NONE	       },	/* Western Sisaala != South Slavey */
+  {HB_TAG('s','s','m',' '),	HB_TAG_NONE	       },	/* Semnam != Southern Sami */
+  {HB_TAG('s','t','a',' '),	HB_TAG('C','P','P',' ')},	/* Settla -> Creoles */
+/*{HB_TAG('s','t','q',' '),	HB_TAG('S','T','Q',' ')},*/	/* Saterfriesisch -> Saterland Frisian */
+  {HB_TAG('s','t','v',' '),	HB_TAG('S','I','G',' ')},	/* Silt'e -> Silte Gurage */
+/*{HB_TAG('s','u','k',' '),	HB_TAG('S','U','K',' ')},*/	/* Sukuma */
+  {HB_TAG('s','u','q',' '),	HB_TAG('S','U','R',' ')},	/* Suri */
+  {HB_TAG('s','u','r',' '),	HB_TAG_NONE	       },	/* Mwaghavul != Suri */
+/*{HB_TAG('s','v','a',' '),	HB_TAG('S','V','A',' ')},*/	/* Svan */
+  {HB_TAG('s','v','c',' '),	HB_TAG('C','P','P',' ')},	/* Vincentian Creole English -> Creoles */
+  {HB_TAG('s','v','e',' '),	HB_TAG_NONE	       },	/* Serili != Swedish */
+  {HB_TAG('s','w','b',' '),	HB_TAG('C','M','R',' ')},	/* Maore Comorian -> Comorian */
+  {HB_TAG('s','w','c',' '),	HB_TAG('S','W','K',' ')},	/* Congo Swahili -> Swahili */
+  {HB_TAG('s','w','h',' '),	HB_TAG('S','W','K',' ')},	/* Swahili */
+  {HB_TAG('s','w','k',' '),	HB_TAG_NONE	       },	/* Malawi Sena != Swahili */
+  {HB_TAG('s','w','n',' '),	HB_TAG('B','B','R',' ')},	/* Sawknah -> Berber */
+  {HB_TAG('s','w','v',' '),	HB_TAG('M','A','W',' ')},	/* Shekhawati -> Marwari */
+/*{HB_TAG('s','x','u',' '),	HB_TAG('S','X','U',' ')},*/	/* Upper Saxon */
+  {HB_TAG('s','y','c',' '),	HB_TAG('S','Y','R',' ')},	/* Classical Syriac -> Syriac */
+/*{HB_TAG('s','y','l',' '),	HB_TAG('S','Y','L',' ')},*/	/* Sylheti */
+/*{HB_TAG('s','y','r',' '),	HB_TAG('S','Y','R',' ')},*/	/* Syriac [macrolanguage] */
+/*{HB_TAG('s','z','l',' '),	HB_TAG('S','Z','L',' ')},*/	/* Silesian */
+  {HB_TAG('t','a','a',' '),	HB_TAG('A','T','H',' ')},	/* Lower Tanana -> Athapaskan */
+/*{HB_TAG('t','a','b',' '),	HB_TAG('T','A','B',' ')},*/	/* Tabassaran -> Tabasaran */
+  {HB_TAG('t','a','j',' '),	HB_TAG_NONE	       },	/* Eastern Tamang != Tajiki */
+  {HB_TAG('t','a','q',' '),	HB_TAG('T','M','H',' ')},	/* Tamasheq -> Tamashek */
+  {HB_TAG('t','a','q',' '),	HB_TAG('B','B','R',' ')},	/* Tamasheq -> Berber */
+  {HB_TAG('t','a','s',' '),	HB_TAG('C','P','P',' ')},	/* Tay Boi -> Creoles */
+  {HB_TAG('t','a','u',' '),	HB_TAG('A','T','H',' ')},	/* Upper Tanana -> Athapaskan */
+  {HB_TAG('t','c','b',' '),	HB_TAG('A','T','H',' ')},	/* Tanacross -> Athapaskan */
+  {HB_TAG('t','c','e',' '),	HB_TAG('A','T','H',' ')},	/* Southern Tutchone -> Athapaskan */
+  {HB_TAG('t','c','h',' '),	HB_TAG('C','P','P',' ')},	/* Turks And Caicos Creole English -> Creoles */
+  {HB_TAG('t','c','p',' '),	HB_TAG('Q','I','N',' ')},	/* Tawr Chin -> Chin */
+  {HB_TAG('t','c','s',' '),	HB_TAG('C','P','P',' ')},	/* Torres Strait Creole -> Creoles */
+  {HB_TAG('t','c','y',' '),	HB_TAG('T','U','L',' ')},	/* Tulu -> Tumbuka */
+  {HB_TAG('t','c','z',' '),	HB_TAG('Q','I','N',' ')},	/* Thado Chin -> Chin */
+/*{HB_TAG('t','d','d',' '),	HB_TAG('T','D','D',' ')},*/	/* Tai Nüa -> Dehong Dai */
+  {HB_TAG('t','d','x',' '),	HB_TAG('M','L','G',' ')},	/* Tandroy-Mahafaly Malagasy -> Malagasy */
+  {HB_TAG('t','e','c',' '),	HB_TAG('K','A','L',' ')},	/* Terik -> Kalenjin */
+  {HB_TAG('t','e','m',' '),	HB_TAG('T','M','N',' ')},	/* Timne -> Temne */
+/*{HB_TAG('t','e','t',' '),	HB_TAG('T','E','T',' ')},*/	/* Tetum */
+  {HB_TAG('t','e','z',' '),	HB_TAG('B','B','R',' ')},	/* Tetserret -> Berber */
+  {HB_TAG('t','f','n',' '),	HB_TAG('A','T','H',' ')},	/* Tanaina -> Athapaskan */
+  {HB_TAG('t','g','h',' '),	HB_TAG('C','P','P',' ')},	/* Tobagonian Creole English -> Creoles */
+  {HB_TAG('t','g','j',' '),	HB_TAG('N','I','S',' ')},	/* Tagin -> Nisi */
+  {HB_TAG('t','g','n',' '),	HB_TAG_NONE	       },	/* Tandaganon != Tongan */
+  {HB_TAG('t','g','r',' '),	HB_TAG_NONE	       },	/* Tareng != Tigre */
+  {HB_TAG('t','g','x',' '),	HB_TAG('A','T','H',' ')},	/* Tagish -> Athapaskan */
+  {HB_TAG('t','g','y',' '),	HB_TAG_NONE	       },	/* Togoyo != Tigrinya */
+  {HB_TAG('t','h','t',' '),	HB_TAG('A','T','H',' ')},	/* Tahltan -> Athapaskan */
+  {HB_TAG('t','h','v',' '),	HB_TAG('T','M','H',' ')},	/* Tahaggart Tamahaq -> Tamashek */
+  {HB_TAG('t','h','v',' '),	HB_TAG('B','B','R',' ')},	/* Tahaggart Tamahaq -> Berber */
+  {HB_TAG('t','h','z',' '),	HB_TAG('T','M','H',' ')},	/* Tayart Tamajeq -> Tamashek */
+  {HB_TAG('t','h','z',' '),	HB_TAG('B','B','R',' ')},	/* Tayart Tamajeq -> Berber */
+  {HB_TAG('t','i','a',' '),	HB_TAG('B','B','R',' ')},	/* Tidikelt Tamazight -> Berber */
+  {HB_TAG('t','i','g',' '),	HB_TAG('T','G','R',' ')},	/* Tigre */
+/*{HB_TAG('t','i','v',' '),	HB_TAG('T','I','V',' ')},*/	/* Tiv */
+/*{HB_TAG('t','j','l',' '),	HB_TAG('T','J','L',' ')},*/	/* Tai Laing */
+  {HB_TAG('t','j','o',' '),	HB_TAG('B','B','R',' ')},	/* Temacine Tamazight -> Berber */
+  {HB_TAG('t','k','g',' '),	HB_TAG('M','L','G',' ')},	/* Tesaka Malagasy -> Malagasy */
+  {HB_TAG('t','k','m',' '),	HB_TAG_NONE	       },	/* Takelma != Turkmen */
+/*{HB_TAG('t','l','i',' '),	HB_TAG('T','L','I',' ')},*/	/* Tlingit */
+  {HB_TAG('t','m','g',' '),	HB_TAG('C','P','P',' ')},	/* Ternateño -> Creoles */
+  {HB_TAG('t','m','h',' '),	HB_TAG('T','M','H',' ')},	/* Tamashek [macrolanguage] */
+  {HB_TAG('t','m','h',' '),	HB_TAG('B','B','R',' ')},	/* Tamashek [macrolanguage] -> Berber */
+  {HB_TAG('t','m','n',' '),	HB_TAG_NONE	       },	/* Taman (Indonesia) != Temne */
+  {HB_TAG('t','m','w',' '),	HB_TAG('M','L','Y',' ')},	/* Temuan -> Malay */
+  {HB_TAG('t','n','a',' '),	HB_TAG_NONE	       },	/* Tacana != Tswana */
+  {HB_TAG('t','n','e',' '),	HB_TAG_NONE	       },	/* Tinoc Kallahan (retired code) != Tundra Enets */
+  {HB_TAG('t','n','f',' '),	HB_TAG('D','R','I',' ')},	/* Tangshewi (retired code) -> Dari */
+  {HB_TAG('t','n','f',' '),	HB_TAG('F','A','R',' ')},	/* Tangshewi (retired code) -> Persian */
+  {HB_TAG('t','n','g',' '),	HB_TAG_NONE	       },	/* Tobanga != Tonga */
+  {HB_TAG('t','o','d',' '),	HB_TAG('T','O','D','0')},	/* Toma */
+  {HB_TAG('t','o','i',' '),	HB_TAG('T','N','G',' ')},	/* Tonga (Zambia) */
+  {HB_TAG('t','o','j',' '),	HB_TAG('M','Y','N',' ')},	/* Tojolabal -> Mayan */
+  {HB_TAG('t','o','l',' '),	HB_TAG('A','T','H',' ')},	/* Tolowa -> Athapaskan */
+  {HB_TAG('t','o','r',' '),	HB_TAG('B','A','D','0')},	/* Togbo-Vara Banda -> Banda */
+  {HB_TAG('t','p','i',' '),	HB_TAG('T','P','I',' ')},	/* Tok Pisin */
+  {HB_TAG('t','p','i',' '),	HB_TAG('C','P','P',' ')},	/* Tok Pisin -> Creoles */
+  {HB_TAG('t','r','f',' '),	HB_TAG('C','P','P',' ')},	/* Trinidadian Creole English -> Creoles */
+  {HB_TAG('t','r','k',' '),	HB_TAG_NONE	       },	/* Turkic [collection] != Turkish */
+  {HB_TAG('t','r','u',' '),	HB_TAG('T','U','A',' ')},	/* Turoyo -> Turoyo Aramaic */
+  {HB_TAG('t','r','u',' '),	HB_TAG('S','Y','R',' ')},	/* Turoyo -> Syriac */
+  {HB_TAG('t','s','g',' '),	HB_TAG_NONE	       },	/* Tausug != Tsonga */
+/*{HB_TAG('t','s','j',' '),	HB_TAG('T','S','J',' ')},*/	/* Tshangla */
+  {HB_TAG('t','t','c',' '),	HB_TAG('M','Y','N',' ')},	/* Tektiteko -> Mayan */
+  {HB_TAG('t','t','m',' '),	HB_TAG('A','T','H',' ')},	/* Northern Tutchone -> Athapaskan */
+  {HB_TAG('t','t','q',' '),	HB_TAG('T','M','H',' ')},	/* Tawallammat Tamajaq -> Tamashek */
+  {HB_TAG('t','t','q',' '),	HB_TAG('B','B','R',' ')},	/* Tawallammat Tamajaq -> Berber */
+  {HB_TAG('t','u','a',' '),	HB_TAG_NONE	       },	/* Wiarumus != Turoyo Aramaic */
+  {HB_TAG('t','u','l',' '),	HB_TAG_NONE	       },	/* Tula != Tumbuka */
+/*{HB_TAG('t','u','m',' '),	HB_TAG('T','U','M',' ')},*/	/* Tumbuka -> Tulu */
+  {HB_TAG('t','u','u',' '),	HB_TAG('A','T','H',' ')},	/* Tututni -> Athapaskan */
+  {HB_TAG('t','u','v',' '),	HB_TAG_NONE	       },	/* Turkana != Tuvin */
+  {HB_TAG('t','u','y',' '),	HB_TAG('K','A','L',' ')},	/* Tugen -> Kalenjin */
+/*{HB_TAG('t','v','l',' '),	HB_TAG('T','V','L',' ')},*/	/* Tuvalu */
+  {HB_TAG('t','v','y',' '),	HB_TAG('C','P','P',' ')},	/* Timor Pidgin -> Creoles */
+  {HB_TAG('t','x','c',' '),	HB_TAG('A','T','H',' ')},	/* Tsetsaut -> Athapaskan */
+  {HB_TAG('t','x','y',' '),	HB_TAG('M','L','G',' ')},	/* Tanosy Malagasy -> Malagasy */
+  {HB_TAG('t','y','v',' '),	HB_TAG('T','U','V',' ')},	/* Tuvinian -> Tuvin */
+/*{HB_TAG('t','y','z',' '),	HB_TAG('T','Y','Z',' ')},*/	/* Tày */
+  {HB_TAG('t','z','h',' '),	HB_TAG('M','Y','N',' ')},	/* Tzeltal -> Mayan */
+  {HB_TAG('t','z','j',' '),	HB_TAG('M','Y','N',' ')},	/* Tz'utujil -> Mayan */
+  {HB_TAG('t','z','m',' '),	HB_TAG('T','Z','M',' ')},	/* Central Atlas Tamazight -> Tamazight */
+  {HB_TAG('t','z','m',' '),	HB_TAG('B','B','R',' ')},	/* Central Atlas Tamazight -> Berber */
+  {HB_TAG('t','z','o',' '),	HB_TAG('T','Z','O',' ')},	/* Tzotzil */
+  {HB_TAG('t','z','o',' '),	HB_TAG('M','Y','N',' ')},	/* Tzotzil -> Mayan */
+  {HB_TAG('u','b','l',' '),	HB_TAG('B','I','K',' ')},	/* Buhi'non Bikol -> Bikol */
+/*{HB_TAG('u','d','m',' '),	HB_TAG('U','D','M',' ')},*/	/* Udmurt */
+  {HB_TAG('u','k','i',' '),	HB_TAG('K','U','I',' ')},	/* Kui (India) */
+  {HB_TAG('u','l','n',' '),	HB_TAG('C','P','P',' ')},	/* Unserdeutsch -> Creoles */
+/*{HB_TAG('u','m','b',' '),	HB_TAG('U','M','B',' ')},*/	/* Umbundu */
+  {HB_TAG('u','n','r',' '),	HB_TAG('M','U','N',' ')},	/* Mundari */
+  {HB_TAG('u','r','k',' '),	HB_TAG('M','L','Y',' ')},	/* Urak Lawoi' -> Malay */
+  {HB_TAG('u','s','p',' '),	HB_TAG('M','Y','N',' ')},	/* Uspanteco -> Mayan */
+  {HB_TAG('u','z','n',' '),	HB_TAG('U','Z','B',' ')},	/* Northern Uzbek -> Uzbek */
+  {HB_TAG('u','z','s',' '),	HB_TAG('U','Z','B',' ')},	/* Southern Uzbek -> Uzbek */
+  {HB_TAG('v','a','p',' '),	HB_TAG('Q','I','N',' ')},	/* Vaiphei -> Chin */
+/*{HB_TAG('v','e','c',' '),	HB_TAG('V','E','C',' ')},*/	/* Venetian */
+  {HB_TAG('v','i','c',' '),	HB_TAG('C','P','P',' ')},	/* Virgin Islands Creole English -> Creoles */
+  {HB_TAG('v','i','t',' '),	HB_TAG_NONE	       },	/* Viti != Vietnamese */
+  {HB_TAG('v','k','k',' '),	HB_TAG('M','L','Y',' ')},	/* Kaur -> Malay */
+  {HB_TAG('v','k','p',' '),	HB_TAG('C','P','P',' ')},	/* Korlai Creole Portuguese -> Creoles */
+  {HB_TAG('v','k','t',' '),	HB_TAG('M','L','Y',' ')},	/* Tenggarong Kutai Malay -> Malay */
+  {HB_TAG('v','l','s',' '),	HB_TAG('F','L','E',' ')},	/* Vlaams -> Dutch (Flemish) */
+  {HB_TAG('v','m','w',' '),	HB_TAG('M','A','K',' ')},	/* Makhuwa */
+/*{HB_TAG('v','r','o',' '),	HB_TAG('V','R','O',' ')},*/	/* Võro */
+  {HB_TAG('w','a','g',' '),	HB_TAG_NONE	       },	/* Wa'ema != Wagdi */
+/*{HB_TAG('w','a','r',' '),	HB_TAG('W','A','R',' ')},*/	/* Waray (Philippines) -> Waray-Waray */
+  {HB_TAG('w','b','m',' '),	HB_TAG('W','A',' ',' ')},	/* Wa */
+  {HB_TAG('w','b','r',' '),	HB_TAG('W','A','G',' ')},	/* Wagdi */
+  {HB_TAG('w','b','r',' '),	HB_TAG('R','A','J',' ')},	/* Wagdi -> Rajasthani */
+/*{HB_TAG('w','c','i',' '),	HB_TAG('W','C','I',' ')},*/	/* Waci Gbe */
+  {HB_TAG('w','e','a',' '),	HB_TAG('K','R','N',' ')},	/* Wewaw -> Karen */
+  {HB_TAG('w','e','s',' '),	HB_TAG('C','P','P',' ')},	/* Cameroon Pidgin -> Creoles */
+  {HB_TAG('w','e','u',' '),	HB_TAG('Q','I','N',' ')},	/* Rawngtu Chin -> Chin */
+  {HB_TAG('w','l','c',' '),	HB_TAG('C','M','R',' ')},	/* Mwali Comorian -> Comorian */
+  {HB_TAG('w','l','e',' '),	HB_TAG('S','I','G',' ')},	/* Wolane -> Silte Gurage */
+  {HB_TAG('w','l','k',' '),	HB_TAG('A','T','H',' ')},	/* Wailaki -> Athapaskan */
+  {HB_TAG('w','n','i',' '),	HB_TAG('C','M','R',' ')},	/* Ndzwani Comorian -> Comorian */
+  {HB_TAG('w','r','y',' '),	HB_TAG('M','A','W',' ')},	/* Merwari -> Marwari */
+  {HB_TAG('w','s','g',' '),	HB_TAG('G','O','N',' ')},	/* Adilabad Gondi -> Gondi */
+/*{HB_TAG('w','t','m',' '),	HB_TAG('W','T','M',' ')},*/	/* Mewati */
+  {HB_TAG('w','u','u',' '),	HB_TAG('Z','H','S',' ')},	/* Wu Chinese -> Chinese, Simplified */
+  {HB_TAG('x','a','l',' '),	HB_TAG('K','L','M',' ')},	/* Kalmyk */
+  {HB_TAG('x','a','l',' '),	HB_TAG('T','O','D',' ')},	/* Kalmyk -> Todo */
+  {HB_TAG('x','a','n',' '),	HB_TAG('S','E','K',' ')},	/* Xamtanga -> Sekota */
+  {HB_TAG('x','b','d',' '),	HB_TAG_NONE	       },	/* Bindal != Lü */
+/*{HB_TAG('x','j','b',' '),	HB_TAG('X','J','B',' ')},*/	/* Minjungbal -> Minjangbal */
+/*{HB_TAG('x','k','f',' '),	HB_TAG('X','K','F',' ')},*/	/* Khengkha */
+  {HB_TAG('x','m','g',' '),	HB_TAG('B','M','L',' ')},	/* Mengaka -> Bamileke */
+  {HB_TAG('x','m','m',' '),	HB_TAG('M','L','Y',' ')},	/* Manado Malay -> Malay */
+  {HB_TAG('x','m','m',' '),	HB_TAG('C','P','P',' ')},	/* Manado Malay -> Creoles */
+  {HB_TAG('x','m','v',' '),	HB_TAG('M','L','G',' ')},	/* Antankarana Malagasy -> Malagasy */
+  {HB_TAG('x','m','w',' '),	HB_TAG('M','L','G',' ')},	/* Tsimihety Malagasy -> Malagasy */
+  {HB_TAG('x','n','j',' '),	HB_TAG('S','X','T',' ')},	/* Ngoni (Tanzania) -> Sutu */
+  {HB_TAG('x','n','q',' '),	HB_TAG('S','X','T',' ')},	/* Ngoni (Mozambique) -> Sutu */
+  {HB_TAG('x','n','r',' '),	HB_TAG('D','G','R',' ')},	/* Kangri -> Dogri (macrolanguage) */
+/*{HB_TAG('x','o','g',' '),	HB_TAG('X','O','G',' ')},*/	/* Soga */
+  {HB_TAG('x','p','e',' '),	HB_TAG('X','P','E',' ')},	/* Liberia Kpelle -> Kpelle (Liberia) */
+  {HB_TAG('x','p','e',' '),	HB_TAG('K','P','L',' ')},	/* Liberia Kpelle -> Kpelle */
+  {HB_TAG('x','s','l',' '),	HB_TAG('S','S','L',' ')},	/* South Slavey */
+  {HB_TAG('x','s','l',' '),	HB_TAG('S','L','A',' ')},	/* South Slavey -> Slavey */
+  {HB_TAG('x','s','l',' '),	HB_TAG('A','T','H',' ')},	/* South Slavey -> Athapaskan */
+  {HB_TAG('x','s','t',' '),	HB_TAG('S','I','G',' ')},	/* Silt'e (retired code) -> Silte Gurage */
+/*{HB_TAG('x','u','b',' '),	HB_TAG('X','U','B',' ')},*/	/* Betta Kurumba -> Bette Kuruma */
+/*{HB_TAG('x','u','j',' '),	HB_TAG('X','U','J',' ')},*/	/* Jennu Kurumba -> Jennu Kuruma */
+  {HB_TAG('x','u','p',' '),	HB_TAG('A','T','H',' ')},	/* Upper Umpqua -> Athapaskan */
+  {HB_TAG('x','w','o',' '),	HB_TAG('T','O','D',' ')},	/* Written Oirat -> Todo */
+  {HB_TAG('y','a','j',' '),	HB_TAG('B','A','D','0')},	/* Banda-Yangere -> Banda */
+  {HB_TAG('y','a','k',' '),	HB_TAG_NONE	       },	/* Yakama != Sakha */
+/*{HB_TAG('y','a','o',' '),	HB_TAG('Y','A','O',' ')},*/	/* Yao */
+/*{HB_TAG('y','a','p',' '),	HB_TAG('Y','A','P',' ')},*/	/* Yapese */
+  {HB_TAG('y','b','a',' '),	HB_TAG_NONE	       },	/* Yala != Yoruba */
+  {HB_TAG('y','b','b',' '),	HB_TAG('B','M','L',' ')},	/* Yemba -> Bamileke */
+  {HB_TAG('y','b','d',' '),	HB_TAG('A','R','K',' ')},	/* Yangbye (retired code) -> Rakhine */
+  {HB_TAG('y','d','d',' '),	HB_TAG('J','I','I',' ')},	/* Eastern Yiddish -> Yiddish */
+/*{HB_TAG('y','g','p',' '),	HB_TAG('Y','G','P',' ')},*/	/* Gepo */
+  {HB_TAG('y','i','h',' '),	HB_TAG('J','I','I',' ')},	/* Western Yiddish -> Yiddish */
+  {HB_TAG('y','i','m',' '),	HB_TAG_NONE	       },	/* Yimchungru Naga != Yi Modern */
+/*{HB_TAG('y','n','a',' '),	HB_TAG('Y','N','A',' ')},*/	/* Aluo */
+  {HB_TAG('y','o','s',' '),	HB_TAG('Q','I','N',' ')},	/* Yos (retired code) -> Chin */
+  {HB_TAG('y','u','a',' '),	HB_TAG('M','Y','N',' ')},	/* Yucateco -> Mayan */
+  {HB_TAG('y','u','e',' '),	HB_TAG('Z','H','H',' ')},	/* Yue Chinese -> Chinese, Traditional, Hong Kong SAR */
+/*{HB_TAG('y','w','q',' '),	HB_TAG('Y','W','Q',' ')},*/	/* Wuding-Luquan Yi */
+  {HB_TAG('z','c','h',' '),	HB_TAG('Z','H','A',' ')},	/* Central Hongshuihe Zhuang -> Zhuang */
+  {HB_TAG('z','d','j',' '),	HB_TAG('C','M','R',' ')},	/* Ngazidja Comorian -> Comorian */
+/*{HB_TAG('z','e','a',' '),	HB_TAG('Z','E','A',' ')},*/	/* Zeeuws -> Zealandic */
+  {HB_TAG('z','e','h',' '),	HB_TAG('Z','H','A',' ')},	/* Eastern Hongshuihe Zhuang -> Zhuang */
+  {HB_TAG('z','e','n',' '),	HB_TAG('B','B','R',' ')},	/* Zenaga -> Berber */
+  {HB_TAG('z','g','b',' '),	HB_TAG('Z','H','A',' ')},	/* Guibei Zhuang -> Zhuang */
+  {HB_TAG('z','g','h',' '),	HB_TAG('Z','G','H',' ')},	/* Standard Moroccan Tamazight */
+  {HB_TAG('z','g','h',' '),	HB_TAG('B','B','R',' ')},	/* Standard Moroccan Tamazight -> Berber */
+  {HB_TAG('z','g','m',' '),	HB_TAG('Z','H','A',' ')},	/* Minz Zhuang -> Zhuang */
+  {HB_TAG('z','g','n',' '),	HB_TAG('Z','H','A',' ')},	/* Guibian Zhuang -> Zhuang */
+  {HB_TAG('z','h','d',' '),	HB_TAG('Z','H','A',' ')},	/* Dai Zhuang -> Zhuang */
+  {HB_TAG('z','h','n',' '),	HB_TAG('Z','H','A',' ')},	/* Nong Zhuang -> Zhuang */
+  {HB_TAG('z','l','j',' '),	HB_TAG('Z','H','A',' ')},	/* Liujiang Zhuang -> Zhuang */
+  {HB_TAG('z','l','m',' '),	HB_TAG('M','L','Y',' ')},	/* Malay */
+  {HB_TAG('z','l','n',' '),	HB_TAG('Z','H','A',' ')},	/* Lianshan Zhuang -> Zhuang */
+  {HB_TAG('z','l','q',' '),	HB_TAG('Z','H','A',' ')},	/* Liuqian Zhuang -> Zhuang */
+  {HB_TAG('z','m','i',' '),	HB_TAG('M','L','Y',' ')},	/* Negeri Sembilan Malay -> Malay */
+  {HB_TAG('z','m','z',' '),	HB_TAG('B','A','D','0')},	/* Mbandja -> Banda */
+  {HB_TAG('z','n','d',' '),	HB_TAG_NONE	       },	/* Zande [collection] != Zande */
+  {HB_TAG('z','n','e',' '),	HB_TAG('Z','N','D',' ')},	/* Zande */
+  {HB_TAG('z','o','m',' '),	HB_TAG('Q','I','N',' ')},	/* Zou -> Chin */
+  {HB_TAG('z','q','e',' '),	HB_TAG('Z','H','A',' ')},	/* Qiubei Zhuang -> Zhuang */
+  {HB_TAG('z','s','m',' '),	HB_TAG('M','L','Y',' ')},	/* Standard Malay -> Malay */
+  {HB_TAG('z','u','m',' '),	HB_TAG('L','R','C',' ')},	/* Kumzari -> Luri */
+  {HB_TAG('z','y','b',' '),	HB_TAG('Z','H','A',' ')},	/* Yongbei Zhuang -> Zhuang */
+  {HB_TAG('z','y','g',' '),	HB_TAG('Z','H','A',' ')},	/* Yang Zhuang -> Zhuang */
+  {HB_TAG('z','y','j',' '),	HB_TAG('Z','H','A',' ')},	/* Youjiang Zhuang -> Zhuang */
+  {HB_TAG('z','y','n',' '),	HB_TAG('Z','H','A',' ')},	/* Yongnan Zhuang -> Zhuang */
+  {HB_TAG('z','y','p',' '),	HB_TAG('Q','I','N',' ')},	/* Zyphe Chin -> Chin */
+/*{HB_TAG('z','z','a',' '),	HB_TAG('Z','Z','A',' ')},*/	/* Zazaki [macrolanguage] */
+  {HB_TAG('z','z','j',' '),	HB_TAG('Z','H','A',' ')},	/* Zuojiang Zhuang -> Zhuang */
+};
+#endif
+
 /**
  * hb_ot_tags_from_complex_language:
  * @lang_str: a BCP 47 language tag to convert.
@@ -1633,75 +1638,81 @@ static const LangTag ot_languages[] = {
  *
  * Return value: Whether any language systems were retrieved.
  **/
-static bool
+static inline bool
 hb_ot_tags_from_complex_language (const char   *lang_str,
 				  const char   *limit,
 				  unsigned int *count /* IN/OUT */,
 				  hb_tag_t     *tags /* OUT */)
 {
-  if (subtag_matches (lang_str, limit, "-fonnapa"))
-  {
-    /* Undetermined; North American Phonetic Alphabet */
-    tags[0] = HB_TAG('A','P','P','H');  /* Phonetic transcription—Americanist conventions */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-polyton"))
-  {
-    /* Modern Greek (1453-); Polytonic Greek */
-    tags[0] = HB_TAG('P','G','R',' ');  /* Polytonic Greek */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-arevmda"))
-  {
-    /* Armenian; Western Armenian (retired code) */
-    tags[0] = HB_TAG('H','Y','E',' ');  /* Armenian */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-provenc"))
-  {
-    /* Occitan (post 1500); Provençal */
-    tags[0] = HB_TAG('P','R','O',' ');  /* Provençal / Old Provençal */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-fonipa"))
-  {
-    /* Undetermined; International Phonetic Alphabet */
-    tags[0] = HB_TAG('I','P','P','H');  /* Phonetic transcription—IPA conventions */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-geok"))
-  {
-    /* Undetermined; Khutsuri (Asomtavruli and Nuskhuri) */
-    tags[0] = HB_TAG('K','G','E',' ');  /* Khutsuri Georgian */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-syre"))
+  if (limit - lang_str >= 7)
   {
-    /* Undetermined; Syriac (Estrangelo variant) */
-    tags[0] = HB_TAG('S','Y','R','E');  /* Syriac, Estrangela script-variant (equivalent to ISO 15924 'Syre') */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-syrj"))
-  {
-    /* Undetermined; Syriac (Western variant) */
-    tags[0] = HB_TAG('S','Y','R','J');  /* Syriac, Western script-variant (equivalent to ISO 15924 'Syrj') */
-    *count = 1;
-    return true;
-  }
-  if (subtag_matches (lang_str, limit, "-syrn"))
-  {
-    /* Undetermined; Syriac (Eastern variant) */
-    tags[0] = HB_TAG('S','Y','R','N');  /* Syriac, Eastern script-variant (equivalent to ISO 15924 'Syrn') */
-    *count = 1;
-    return true;
+    const char *p = strchr (lang_str, '-');
+    if (!p || p >= limit || limit - p < 5) goto out;
+    if (subtag_matches (p, limit, "-fonnapa", 8))
+    {
+      /* Undetermined; North American Phonetic Alphabet */
+      tags[0] = HB_TAG('A','P','P','H');  /* Phonetic transcription—Americanist conventions */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-polyton", 8))
+    {
+      /* Modern Greek (1453-); Polytonic Greek */
+      tags[0] = HB_TAG('P','G','R',' ');  /* Polytonic Greek */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-arevmda", 8))
+    {
+      /* Armenian; Western Armenian (retired code) */
+      tags[0] = HB_TAG('H','Y','E',' ');  /* Armenian */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-provenc", 8))
+    {
+      /* Occitan (post 1500); Provençal */
+      tags[0] = HB_TAG('P','R','O',' ');  /* Provençal / Old Provençal */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-fonipa", 7))
+    {
+      /* Undetermined; International Phonetic Alphabet */
+      tags[0] = HB_TAG('I','P','P','H');  /* Phonetic transcription—IPA conventions */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-geok", 5))
+    {
+      /* Undetermined; Khutsuri (Asomtavruli and Nuskhuri) */
+      tags[0] = HB_TAG('K','G','E',' ');  /* Khutsuri Georgian */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-syre", 5))
+    {
+      /* Undetermined; Syriac (Estrangelo variant) */
+      tags[0] = HB_TAG('S','Y','R','E');  /* Syriac, Estrangela script-variant (equivalent to ISO 15924 'Syre') */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-syrj", 5))
+    {
+      /* Undetermined; Syriac (Western variant) */
+      tags[0] = HB_TAG('S','Y','R','J');  /* Syriac, Western script-variant (equivalent to ISO 15924 'Syrj') */
+      *count = 1;
+      return true;
+    }
+    if (subtag_matches (p, limit, "-syrn", 5))
+    {
+      /* Undetermined; Syriac (Eastern variant) */
+      tags[0] = HB_TAG('S','Y','R','N');  /* Syriac, Eastern script-variant (equivalent to ISO 15924 'Syrn') */
+      *count = 1;
+      return true;
+    }
   }
+out:
   switch (lang_str[0])
   {
   case 'a':
@@ -1714,14 +1725,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'c':
-    if (lang_matches (&lang_str[1], "do-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "do-hant-hk", 10))
     {
       /* Min Dong Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "do-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "do-hant-mo", 10))
     {
       /* Min Dong Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1734,14 +1745,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "jy-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "jy-hant-hk", 10))
     {
       /* Jinyu Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "jy-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "jy-hant-mo", 10))
     {
       /* Jinyu Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1754,14 +1765,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "mn-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "mn-hant-hk", 10))
     {
       /* Mandarin Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "mn-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "mn-hant-mo", 10))
     {
       /* Mandarin Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1774,14 +1785,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "np-hant-hk", 10))
     {
       /* Northern Ping Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "np-hant-mo", 10))
     {
       /* Northern Ping Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1794,14 +1805,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "px-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "px-hant-hk", 10))
     {
       /* Pu-Xian Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "px-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "px-hant-mo", 10))
     {
       /* Pu-Xian Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1814,14 +1825,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sp-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "sp-hant-hk", 10))
     {
       /* Southern Ping Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sp-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "sp-hant-mo", 10))
     {
       /* Southern Ping Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1834,14 +1845,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zh-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "zh-hant-hk", 10))
     {
       /* Huizhou Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zh-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "zh-hant-mo", 10))
     {
       /* Huizhou Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1854,14 +1865,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zo-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "zo-hant-hk", 10))
     {
       /* Min Zhong Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zo-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "zo-hant-mo", 10))
     {
       /* Min Zhong Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -1874,112 +1885,112 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "do-hans"))
+    if (lang_matches (&lang_str[1], limit, "do-hans", 7))
     {
       /* Min Dong Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "do-hant"))
+    if (lang_matches (&lang_str[1], limit, "do-hant", 7))
     {
       /* Min Dong Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "jy-hans"))
+    if (lang_matches (&lang_str[1], limit, "jy-hans", 7))
     {
       /* Jinyu Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "jy-hant"))
+    if (lang_matches (&lang_str[1], limit, "jy-hant", 7))
     {
       /* Jinyu Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "mn-hans"))
+    if (lang_matches (&lang_str[1], limit, "mn-hans", 7))
     {
       /* Mandarin Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "mn-hant"))
+    if (lang_matches (&lang_str[1], limit, "mn-hant", 7))
     {
       /* Mandarin Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hans"))
+    if (lang_matches (&lang_str[1], limit, "np-hans", 7))
     {
       /* Northern Ping Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hant"))
+    if (lang_matches (&lang_str[1], limit, "np-hant", 7))
     {
       /* Northern Ping Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "px-hans"))
+    if (lang_matches (&lang_str[1], limit, "px-hans", 7))
     {
       /* Pu-Xian Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "px-hant"))
+    if (lang_matches (&lang_str[1], limit, "px-hant", 7))
     {
       /* Pu-Xian Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sp-hans"))
+    if (lang_matches (&lang_str[1], limit, "sp-hans", 7))
     {
       /* Southern Ping Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sp-hant"))
+    if (lang_matches (&lang_str[1], limit, "sp-hant", 7))
     {
       /* Southern Ping Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zh-hans"))
+    if (lang_matches (&lang_str[1], limit, "zh-hans", 7))
     {
       /* Huizhou Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zh-hant"))
+    if (lang_matches (&lang_str[1], limit, "zh-hant", 7))
     {
       /* Huizhou Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zo-hans"))
+    if (lang_matches (&lang_str[1], limit, "zo-hans", 7))
     {
       /* Min Zhong Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "zo-hant"))
+    if (lang_matches (&lang_str[1], limit, "zo-hant", 7))
     {
       /* Min Zhong Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -1987,7 +1998,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "do-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Min Dong Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -1995,7 +2006,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "do-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Min Dong Chinese; Macao */
       unsigned int i;
@@ -2009,7 +2020,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "do-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Min Dong Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2017,7 +2028,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "jy-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Jinyu Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2025,7 +2036,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "jy-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Jinyu Chinese; Macao */
       unsigned int i;
@@ -2039,7 +2050,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "jy-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Jinyu Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2047,7 +2058,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "mn-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Mandarin Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2055,7 +2066,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "mn-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Mandarin Chinese; Macao */
       unsigned int i;
@@ -2069,7 +2080,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "mn-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Mandarin Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2077,7 +2088,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Northern Ping Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2085,7 +2096,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Northern Ping Chinese; Macao */
       unsigned int i;
@@ -2099,7 +2110,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Northern Ping Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2107,7 +2118,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "px-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Pu-Xian Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2115,7 +2126,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "px-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Pu-Xian Chinese; Macao */
       unsigned int i;
@@ -2129,7 +2140,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "px-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Pu-Xian Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2137,7 +2148,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sp-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Southern Ping Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2145,7 +2156,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sp-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Southern Ping Chinese; Macao */
       unsigned int i;
@@ -2159,7 +2170,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sp-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Southern Ping Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2167,7 +2178,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zh-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Huizhou Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2175,7 +2186,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zh-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Huizhou Chinese; Macao */
       unsigned int i;
@@ -2189,7 +2200,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zh-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Huizhou Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2197,7 +2208,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zo-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Min Zhong Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2205,7 +2216,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zo-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Min Zhong Chinese; Macao */
       unsigned int i;
@@ -2219,7 +2230,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "zo-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Min Zhong Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2228,14 +2239,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'g':
-    if (lang_matches (&lang_str[1], "an-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "an-hant-hk", 10))
     {
       /* Gan Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "an-hant-mo", 10))
     {
       /* Gan Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2248,21 +2259,21 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hans"))
+    if (lang_matches (&lang_str[1], limit, "an-hans", 7))
     {
       /* Gan Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hant"))
+    if (lang_matches (&lang_str[1], limit, "an-hant", 7))
     {
       /* Gan Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "a-latg"))
+    if (lang_matches (&lang_str[1], limit, "a-latg", 6))
     {
       /* Irish; Latin (Gaelic variant) */
       tags[0] = HB_TAG('I','R','T',' ');  /* Irish Traditional */
@@ -2270,7 +2281,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Gan Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2278,7 +2289,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Gan Chinese; Macao */
       unsigned int i;
@@ -2292,7 +2303,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Gan Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2301,14 +2312,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'h':
-    if (lang_matches (&lang_str[1], "ak-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "ak-hant-hk", 10))
     {
       /* Hakka Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "ak-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "ak-hant-mo", 10))
     {
       /* Hakka Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2321,14 +2332,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sn-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "sn-hant-hk", 10))
     {
       /* Xiang Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sn-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "sn-hant-mo", 10))
     {
       /* Xiang Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2341,28 +2352,28 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "ak-hans"))
+    if (lang_matches (&lang_str[1], limit, "ak-hans", 7))
     {
       /* Hakka Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "ak-hant"))
+    if (lang_matches (&lang_str[1], limit, "ak-hant", 7))
     {
       /* Hakka Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sn-hans"))
+    if (lang_matches (&lang_str[1], limit, "sn-hans", 7))
     {
       /* Xiang Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "sn-hant"))
+    if (lang_matches (&lang_str[1], limit, "sn-hant", 7))
     {
       /* Xiang Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2370,7 +2381,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "ak-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Hakka Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2378,7 +2389,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "ak-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Hakka Chinese; Macao */
       unsigned int i;
@@ -2392,7 +2403,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "ak-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Hakka Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2400,7 +2411,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sn-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Xiang Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2408,7 +2419,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sn-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Xiang Chinese; Macao */
       unsigned int i;
@@ -2422,7 +2433,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "sn-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Xiang Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2460,7 +2471,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'l':
-    if (lang_matches (&lang_str[1], "zh-hans"))
+    if (lang_matches (&lang_str[1], limit, "zh-hans", 7))
     {
       /* Literary Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
@@ -2469,14 +2480,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'm':
-    if (lang_matches (&lang_str[1], "np-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "np-hant-hk", 10))
     {
       /* Min Bei Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "np-hant-mo", 10))
     {
       /* Min Bei Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2489,14 +2500,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hans"))
+    if (lang_matches (&lang_str[1], limit, "np-hans", 7))
     {
       /* Min Bei Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "np-hant"))
+    if (lang_matches (&lang_str[1], limit, "np-hant", 7))
     {
       /* Min Bei Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2504,7 +2515,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Min Bei Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2512,7 +2523,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Min Bei Chinese; Macao */
       unsigned int i;
@@ -2526,7 +2537,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "np-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Min Bei Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2534,7 +2545,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "nw-", 3)
-	&& subtag_matches (lang_str, limit, "-th"))
+	&& subtag_matches (lang_str, limit, "-th", 3))
     {
       /* Mon; Thailand */
       tags[0] = HB_TAG('M','O','N','T');  /* Thailand Mon */
@@ -2543,14 +2554,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'n':
-    if (lang_matches (&lang_str[1], "an-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "an-hant-hk", 10))
     {
       /* Min Nan Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "an-hant-mo", 10))
     {
       /* Min Nan Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2563,14 +2574,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hans"))
+    if (lang_matches (&lang_str[1], limit, "an-hans", 7))
     {
       /* Min Nan Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "an-hant"))
+    if (lang_matches (&lang_str[1], limit, "an-hant", 7))
     {
       /* Min Nan Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2578,7 +2589,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Min Nan Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2586,7 +2597,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Min Nan Chinese; Macao */
       unsigned int i;
@@ -2600,7 +2611,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "an-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Min Nan Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2624,7 +2635,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     break;
   case 'r':
     if (0 == strncmp (&lang_str[1], "o-", 2)
-	&& subtag_matches (lang_str, limit, "-md"))
+	&& subtag_matches (lang_str, limit, "-md", 3))
     {
       /* Romanian; Moldova */
       unsigned int i;
@@ -2639,14 +2650,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'w':
-    if (lang_matches (&lang_str[1], "uu-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "uu-hant-hk", 10))
     {
       /* Wu Chinese; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "uu-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "uu-hant-mo", 10))
     {
       /* Wu Chinese; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2659,14 +2670,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = i;
       return true;
     }
-    if (lang_matches (&lang_str[1], "uu-hans"))
+    if (lang_matches (&lang_str[1], limit, "uu-hans", 7))
     {
       /* Wu Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "uu-hant"))
+    if (lang_matches (&lang_str[1], limit, "uu-hant", 7))
     {
       /* Wu Chinese; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2674,7 +2685,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "uu-", 3)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Wu Chinese; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2682,7 +2693,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "uu-", 3)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Wu Chinese; Macao */
       unsigned int i;
@@ -2696,7 +2707,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "uu-", 3)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Wu Chinese; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2705,7 +2716,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'y':
-    if (lang_matches (&lang_str[1], "ue-hans"))
+    if (lang_matches (&lang_str[1], limit, "ue-hans", 7))
     {
       /* Yue Chinese; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
@@ -2714,14 +2725,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
     }
     break;
   case 'z':
-    if (lang_matches (&lang_str[1], "h-hant-hk"))
+    if (lang_matches (&lang_str[1], limit, "h-hant-hk", 9))
     {
       /* Chinese [macrolanguage]; Han (Traditional variant); Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "h-hant-mo"))
+    if (lang_matches (&lang_str[1], limit, "h-hant-mo", 9))
     {
       /* Chinese [macrolanguage]; Han (Traditional variant); Macao */
       unsigned int i;
@@ -2741,14 +2752,14 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "h-hans"))
+    if (lang_matches (&lang_str[1], limit, "h-hans", 6))
     {
       /* Chinese [macrolanguage]; Han (Simplified variant) */
       tags[0] = HB_TAG('Z','H','S',' ');  /* Chinese, Simplified */
       *count = 1;
       return true;
     }
-    if (lang_matches (&lang_str[1], "h-hant"))
+    if (lang_matches (&lang_str[1], limit, "h-hant", 6))
     {
       /* Chinese [macrolanguage]; Han (Traditional variant) */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2763,7 +2774,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "h-", 2)
-	&& subtag_matches (lang_str, limit, "-hk"))
+	&& subtag_matches (lang_str, limit, "-hk", 3))
     {
       /* Chinese [macrolanguage]; Hong Kong */
       tags[0] = HB_TAG('Z','H','H',' ');  /* Chinese, Traditional, Hong Kong SAR */
@@ -2771,7 +2782,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "h-", 2)
-	&& subtag_matches (lang_str, limit, "-mo"))
+	&& subtag_matches (lang_str, limit, "-mo", 3))
     {
       /* Chinese [macrolanguage]; Macao */
       unsigned int i;
@@ -2785,7 +2796,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
       return true;
     }
     if (0 == strncmp (&lang_str[1], "h-", 2)
-	&& subtag_matches (lang_str, limit, "-tw"))
+	&& subtag_matches (lang_str, limit, "-tw", 3))
     {
       /* Chinese [macrolanguage]; Taiwan, Province of China */
       tags[0] = HB_TAG('Z','H','T',' ');  /* Chinese, Traditional */
@@ -2809,7 +2820,7 @@ hb_ot_tags_from_complex_language (const char   *lang_str,
  * Return value: The #hb_language_t corresponding to the BCP 47 language tag,
  * or #HB_LANGUAGE_INVALID if @tag is not ambiguous.
  **/
-static hb_language_t
+static inline hb_language_t
 hb_ot_ambiguous_tag_to_language (hb_tag_t tag)
 {
   switch (tag)
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-tag.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-tag.cc
index f50be97ad3..f6ba3b0d47 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-tag.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-tag.cc
@@ -189,48 +189,48 @@ hb_ot_tag_to_script (hb_tag_t tag)
 
 /* hb_language_t */
 
-static bool
+static inline bool
 subtag_matches (const char *lang_str,
 		const char *limit,
-		const char *subtag)
+		const char *subtag,
+		unsigned    subtag_len)
 {
+  if (likely ((unsigned) (limit - lang_str) < subtag_len))
+    return false;
+
   do {
     const char *s = strstr (lang_str, subtag);
     if (!s || s >= limit)
       return false;
-    if (!ISALNUM (s[strlen (subtag)]))
+    if (!ISALNUM (s[subtag_len]))
       return true;
-    lang_str = s + strlen (subtag);
+    lang_str = s + subtag_len;
   } while (true);
 }
 
-static hb_bool_t
-lang_matches (const char *lang_str, const char *spec)
+static bool
+lang_matches (const char *lang_str,
+	      const char *limit,
+	      const char *spec,
+	      unsigned    spec_len)
 {
-  unsigned int len = strlen (spec);
+  /* Same as hb_language_matches(); duplicated. */
+
+  if (likely ((unsigned) (limit - lang_str) < spec_len))
+    return false;
 
-  return strncmp (lang_str, spec, len) == 0 &&
-	 (lang_str[len] == '\0' || lang_str[len] == '-');
+  return strncmp (lang_str, spec, spec_len) == 0 &&
+	 (lang_str[spec_len] == '\0' || lang_str[spec_len] == '-');
 }
 
 struct LangTag
 {
-  char language[4];
+  hb_tag_t language;
   hb_tag_t tag;
 
-  int cmp (const char *a) const
+  int cmp (hb_tag_t a) const
   {
-    const char *b = this->language;
-    unsigned int da, db;
-    const char *p;
-
-    p = strchr (a, '-');
-    da = p ? (unsigned int) (p - a) : strlen (a);
-
-    p = strchr (b, '-');
-    db = p ? (unsigned int) (p - b) : strlen (b);
-
-    return strncmp (a, b, hb_max (da, db));
+    return a < this->language ? -1 : a > this->language ? +1 : 0;
   }
   int cmp (const LangTag *that) const
   { return cmp (that->language); }
@@ -265,16 +265,19 @@ hb_ot_tags_from_language (const char   *lang_str,
 			  unsigned int *count,
 			  hb_tag_t     *tags)
 {
-  const char *s;
-  unsigned int tag_idx;
 
+#ifndef HB_NO_LANGUAGE_LONG
   /* Check for matches of multiple subtags. */
   if (hb_ot_tags_from_complex_language (lang_str, limit, count, tags))
     return;
+#endif
 
   /* Find a language matching in the first component. */
-  s = strchr (lang_str, '-');
+#ifndef HB_NO_LANGUAGE_LONG
+  const char *s; s = strchr (lang_str, '-');
+#endif
   {
+#ifndef HB_NO_LANGUAGE_LONG
     if (s && limit - lang_str >= 6)
     {
       const char *extlang_end = strchr (s + 1, '-');
@@ -283,17 +286,42 @@ hb_ot_tags_from_language (const char   *lang_str,
 	  ISALPHA (s[1]))
 	lang_str = s + 1;
     }
-    if (hb_sorted_array (ot_languages).bfind (lang_str, &tag_idx))
+#endif
+    const LangTag *ot_languages = nullptr;
+    unsigned ot_languages_len = 0;
+    const char *dash = strchr (lang_str, '-');
+    unsigned first_len = dash ? dash - lang_str : limit - lang_str;
+    if (first_len == 2)
+    {
+      ot_languages = ot_languages2;
+      ot_languages_len = ARRAY_LENGTH (ot_languages2);
+    }
+#ifndef HB_NO_LANGUAGE_LONG
+    else if (first_len == 3)
+    {
+      ot_languages = ot_languages3;
+      ot_languages_len = ARRAY_LENGTH (ot_languages3);
+    }
+#endif
+
+    hb_tag_t lang_tag = hb_tag_from_string (lang_str, first_len);
+
+    static hb_atomic_int_t last_tag_idx; /* Poor man's cache. */
+    unsigned tag_idx = last_tag_idx;
+
+    if (likely (tag_idx < ot_languages_len && ot_languages[tag_idx].language == lang_tag) ||
+	hb_sorted_array (ot_languages, ot_languages_len).bfind (lang_tag, &tag_idx))
     {
+      last_tag_idx = tag_idx;
       unsigned int i;
       while (tag_idx != 0 &&
-	     0 == strcmp (ot_languages[tag_idx].language, ot_languages[tag_idx - 1].language))
+	     ot_languages[tag_idx].language == ot_languages[tag_idx - 1].language)
 	tag_idx--;
       for (i = 0;
 	   i < *count &&
-	   tag_idx + i < ARRAY_LENGTH (ot_languages) &&
+	   tag_idx + i < ot_languages_len &&
 	   ot_languages[tag_idx + i].tag != HB_TAG_NONE &&
-	   0 == strcmp (ot_languages[tag_idx + i].language, ot_languages[tag_idx].language);
+	   ot_languages[tag_idx + i].language == ot_languages[tag_idx].language;
 	   i++)
 	tags[i] = ot_languages[tag_idx + i].tag;
       *count = i;
@@ -301,6 +329,7 @@ hb_ot_tags_from_language (const char   *lang_str,
     }
   }
 
+#ifndef HB_NO_LANGUAGE_LONG
   if (!s)
     s = lang_str + strlen (lang_str);
   if (s - lang_str == 3) {
@@ -309,6 +338,7 @@ hb_ot_tags_from_language (const char   *lang_str,
     *count = 1;
     return;
   }
+#endif
 
   *count = 0;
 }
@@ -453,15 +483,29 @@ hb_ot_tag_to_language (hb_tag_t tag)
   if (tag == HB_OT_TAG_DEFAULT_LANGUAGE)
     return nullptr;
 
+#ifndef HB_NO_LANGUAGE_LONG
   {
     hb_language_t disambiguated_tag = hb_ot_ambiguous_tag_to_language (tag);
     if (disambiguated_tag != HB_LANGUAGE_INVALID)
       return disambiguated_tag;
   }
+#endif
 
-  for (i = 0; i < ARRAY_LENGTH (ot_languages); i++)
-    if (ot_languages[i].tag == tag)
-      return hb_language_from_string (ot_languages[i].language, -1);
+  char buf[4];
+  for (i = 0; i < ARRAY_LENGTH (ot_languages2); i++)
+    if (ot_languages2[i].tag == tag)
+    {
+      hb_tag_to_string (ot_languages2[i].language, buf);
+      return hb_language_from_string (buf, 2);
+    }
+#ifndef HB_NO_LANGUAGE_LONG
+  for (i = 0; i < ARRAY_LENGTH (ot_languages3); i++)
+    if (ot_languages3[i].tag == tag)
+    {
+      hb_tag_to_string (ot_languages3[i].language, buf);
+      return hb_language_from_string (buf, 3);
+    }
+#endif
 
   /* Return a custom language in the form of "x-hbot-AABBCCDD".
    * If it's three letters long, also guess it's ISO 639-3 and lower-case and
@@ -533,7 +577,7 @@ hb_ot_tags_to_script_and_language (hb_tag_t       script_tag,
       else
       {
 	int shift;
-	memcpy (buf, lang_str, len);
+	hb_memcpy (buf, lang_str, len);
 	if (lang_str[0] != 'x' || lang_str[1] != '-') {
 	  buf[len++] = '-';
 	  buf[len++] = 'x';
@@ -557,16 +601,28 @@ hb_ot_tags_to_script_and_language (hb_tag_t       script_tag,
 static inline void
 test_langs_sorted ()
 {
-  for (unsigned int i = 1; i < ARRAY_LENGTH (ot_languages); i++)
+  for (unsigned int i = 1; i < ARRAY_LENGTH (ot_languages2); i++)
+  {
+    int c = ot_languages2[i].cmp (&ot_languages2[i - 1]);
+    if (c > 0)
+    {
+      fprintf (stderr, "ot_languages2 not sorted at index %d: %08x %d %08x\n",
+	       i, ot_languages2[i-1].language, c, ot_languages2[i].language);
+      abort();
+    }
+  }
+#ifndef HB_NO_LANGUAGE_LONG
+  for (unsigned int i = 1; i < ARRAY_LENGTH (ot_languages3); i++)
   {
-    int c = ot_languages[i].cmp (&ot_languages[i - 1]);
+    int c = ot_languages3[i].cmp (&ot_languages3[i - 1]);
     if (c > 0)
     {
-      fprintf (stderr, "ot_languages not sorted at index %d: %s %d %s\n",
-	       i, ot_languages[i-1].language, c, ot_languages[i].language);
+      fprintf (stderr, "ot_languages3 not sorted at index %d: %08x %d %08x\n",
+	       i, ot_languages3[i-1].language, c, ot_languages3[i].language);
       abort();
     }
   }
+#endif
 }
 
 int
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
index 65f26c1d22..cc5c5c0068 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
@@ -28,6 +28,8 @@
 #define HB_OT_VAR_AVAR_TABLE_HH
 
 #include "hb-open-type.hh"
+#include "hb-ot-var-common.hh"
+
 
 /*
  * avar -- Axis Variations
@@ -40,6 +42,28 @@
 namespace OT {
 
 
+/* "Spec": https://github.com/be-fonts/boring-expansion-spec/issues/14 */
+struct avarV2Tail
+{
+  friend struct avar;
+
+  bool sanitize (hb_sanitize_context_t *c,
+		 const void *base) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (varIdxMap.sanitize (c, base) &&
+		  varStore.sanitize (c, base));
+  }
+
+  protected:
+  Offset32To<DeltaSetIndexMap>	varIdxMap;	/* Offset from the beginning of 'avar' table. */
+  Offset32To<VariationStore>	varStore;	/* Offset from the beginning of 'avar' table. */
+
+  public:
+  DEFINE_SIZE_STATIC (8);
+};
+
+
 struct AxisValueMap
 {
   bool sanitize (hb_sanitize_context_t *c) const
@@ -106,12 +130,24 @@ struct avar
 {
   static constexpr hb_tag_t tableTag = HB_OT_TAG_avar;
 
+  bool has_data () const { return version.to_int (); }
+
+  const SegmentMaps* get_segment_maps () const
+  { return &firstAxisSegmentMaps; }
+
+  unsigned get_axis_count () const
+  { return axisCount; }
+
   bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    if (unlikely (!(version.sanitize (c) &&
-		    version.major == 1 &&
-		    c->check_struct (this))))
+    if (!(version.sanitize (c) &&
+	  (version.major == 1
+#ifndef HB_NO_AVAR2
+	   || version.major == 2
+#endif
+	   ) &&
+	  c->check_struct (this)))
       return_trace (false);
 
     const SegmentMaps *map = &firstAxisSegmentMaps;
@@ -123,6 +159,15 @@ struct avar
       map = &StructAfter<SegmentMaps> (*map);
     }
 
+#ifndef HB_NO_AVAR2
+    if (version.major < 2)
+      return_trace (true);
+
+    const auto &v2 = * (const avarV2Tail *) map;
+    if (unlikely (!v2.sanitize (c, this)))
+      return_trace (false);
+#endif
+
     return_trace (true);
   }
 
@@ -136,6 +181,36 @@ struct avar
       coords[i] = map->map (coords[i]);
       map = &StructAfter<SegmentMaps> (*map);
     }
+
+#ifndef HB_NO_AVAR2
+    if (version.major < 2)
+      return;
+
+    for (; count < axisCount; count++)
+      map = &StructAfter<SegmentMaps> (*map);
+
+    const auto &v2 = * (const avarV2Tail *) map;
+
+    const auto &varidx_map = this+v2.varIdxMap;
+    const auto &var_store = this+v2.varStore;
+    auto *var_store_cache = var_store.create_cache ();
+
+    hb_vector_t<int> out;
+    out.alloc (coords_length);
+    for (unsigned i = 0; i < coords_length; i++)
+    {
+      int v = coords[i];
+      uint32_t varidx = varidx_map.map (i);
+      float delta = var_store.get_delta (varidx, coords, coords_length, var_store_cache);
+      v += roundf (delta);
+      v = hb_clamp (v, -(1<<14), +(1<<14));
+      out.push (v);
+    }
+    for (unsigned i = 0; i < coords_length; i++)
+      coords[i] = out[i];
+
+    OT::VariationStore::destroy_cache (var_store_cache);
+#endif
   }
 
   void unmap_coords (int *coords, unsigned int coords_length) const
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-common.hh
index 0eafb949d5..4997c2e2e8 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-common.hh
@@ -31,12 +31,13 @@
 
 namespace OT {
 
-struct DeltaSetIndexMapFormat0
+template <typename MapCountT>
+struct DeltaSetIndexMapFormat01
 {
   friend struct DeltaSetIndexMap;
 
   private:
-  DeltaSetIndexMapFormat0* copy (hb_serialize_context_t *c) const
+  DeltaSetIndexMapFormat01* copy (hb_serialize_context_t *c) const
   {
     TRACE_SERIALIZE (this);
     auto *out = c->start_embed (this);
@@ -46,7 +47,7 @@ struct DeltaSetIndexMapFormat0
     HBUINT8 *p = c->allocate_size<HBUINT8> (total_size);
     if (unlikely (!p)) return_trace (nullptr);
 
-    memcpy (p, this, HBUINT8::static_size * total_size);
+    hb_memcpy (p, this, HBUINT8::static_size * total_size);
     return_trace (out);
   }
 
@@ -128,56 +129,12 @@ struct DeltaSetIndexMapFormat0
   HBUINT8       format;         /* Format identifier--format = 0 */
   HBUINT8       entryFormat;    /* A packed field that describes the compressed
                                  * representation of delta-set indices. */
-  HBUINT16      mapCount;       /* The number of mapping entries. */
+  MapCountT     mapCount;       /* The number of mapping entries. */
   UnsizedArrayOf<HBUINT8>
                 mapDataZ;       /* The delta-set index mapping data. */
 
   public:
-  DEFINE_SIZE_ARRAY (4, mapDataZ);
-};
-
-struct DeltaSetIndexMapFormat1
-{
-  friend struct DeltaSetIndexMap;
-
-  private:
-  DeltaSetIndexMapFormat1* copy (hb_serialize_context_t *c) const
-  {
-    TRACE_SERIALIZE (this);
-    auto *out = c->start_embed (this);
-    if (unlikely (!out)) return_trace (nullptr);
-
-    unsigned total_size = min_size + mapCount * get_width ();
-    HBUINT8 *p = c->allocate_size<HBUINT8> (total_size);
-    if (unlikely (!p)) return_trace (nullptr);
-
-    memcpy (p, this, HBUINT8::static_size * total_size);
-    return_trace (out);
-  }
-
-  unsigned get_map_count () const       { return mapCount; }
-  unsigned get_width () const           { return ((entryFormat >> 4) & 3) + 1; }
-  unsigned get_inner_bit_count () const { return (entryFormat & 0xF) + 1; }
-
-  bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (c->check_struct (this) &&
-                  c->check_range (mapDataZ.arrayZ,
-                                  mapCount,
-                                  get_width ()));
-  }
-
-  protected:
-  HBUINT8       format;         /* Format identifier--format = 1 */
-  HBUINT8       entryFormat;    /* A packed field that describes the compressed
-                                 * representation of delta-set indices. */
-  HBUINT32      mapCount;       /* The number of mapping entries. */
-  UnsizedArrayOf<HBUINT8>
-                mapDataZ;       /* The delta-set index mapping data. */
-
-  public:
-  DEFINE_SIZE_ARRAY (6, mapDataZ);
+  DEFINE_SIZE_ARRAY (2+MapCountT::static_size, mapDataZ);
 };
 
 struct DeltaSetIndexMap
@@ -186,8 +143,11 @@ struct DeltaSetIndexMap
   bool serialize (hb_serialize_context_t *c, const T &plan)
   {
     TRACE_SERIALIZE (this);
+    unsigned length = plan.get_output_map ().length;
+    u.format = length <= 0xFFFF ? 0 : 1;
     switch (u.format) {
     case 0: return_trace (u.format0.serialize (c, plan));
+    case 1: return_trace (u.format1.serialize (c, plan));
     default:return_trace (false);
     }
   }
@@ -196,6 +156,7 @@ struct DeltaSetIndexMap
   {
     switch (u.format) {
     case 0: return (u.format0.map (v));
+    case 1: return (u.format1.map (v));
     default:return v;
     }
   }
@@ -250,14 +211,33 @@ struct DeltaSetIndexMap
 
   protected:
   union {
-  HBUINT8                       format;         /* Format identifier */
-  DeltaSetIndexMapFormat0       format0;
-  DeltaSetIndexMapFormat1       format1;
+  HBUINT8                            format;         /* Format identifier */
+  DeltaSetIndexMapFormat01<HBUINT16> format0;
+  DeltaSetIndexMapFormat01<HBUINT32> format1;
   } u;
   public:
   DEFINE_SIZE_UNION (1, format);
 };
 
+
+struct VarStoreInstancer
+{
+  VarStoreInstancer (const VariationStore &varStore,
+		     const DeltaSetIndexMap &varIdxMap,
+		     hb_array_t<int> coords) :
+    varStore (varStore), varIdxMap (varIdxMap), coords (coords) {}
+
+  operator bool () const { return bool (coords); }
+
+  float operator() (uint32_t varIdx, unsigned short offset = 0) const
+  { return varStore.get_delta (varIdxMap.map (VarIdx::add (varIdx, offset)), coords); }
+
+  const VariationStore &varStore;
+  const DeltaSetIndexMap &varIdxMap;
+  hb_array_t<int> coords;
+};
+
+
 } /* namespace OT */
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-fvar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-fvar-table.hh
index e066558683..c1d57a002a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-fvar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-fvar-table.hh
@@ -44,9 +44,47 @@ struct InstanceRecord
 {
   friend struct fvar;
 
-  hb_array_t<const HBFixed> get_coordinates (unsigned int axis_count) const
+  hb_array_t<const F16DOT16> get_coordinates (unsigned int axis_count) const
   { return coordinatesZ.as_array (axis_count); }
 
+  bool subset (hb_subset_context_t *c,
+               unsigned axis_count,
+               bool has_postscript_nameid) const
+  {
+    TRACE_SUBSET (this);
+    if (unlikely (!c->serializer->embed (subfamilyNameID))) return_trace (false);
+    if (unlikely (!c->serializer->embed (flags))) return_trace (false);
+
+    const hb_array_t<const F16DOT16> coords = get_coordinates (axis_count);
+    const hb_hashmap_t<hb_tag_t, float> *axes_location = c->plan->user_axes_location;
+    for (unsigned i = 0 ; i < axis_count; i++)
+    {
+      uint32_t *axis_tag;
+      // only keep instances whose coordinates == pinned axis location
+      if (!c->plan->axes_old_index_tag_map->has (i, &axis_tag)) continue;
+
+      if (axes_location->has (*axis_tag) &&
+          fabsf (axes_location->get (*axis_tag) - coords[i].to_float ()) > 0.001f)
+        return_trace (false);
+
+      if (!c->plan->axes_index_map->has (i))
+        continue;
+
+      if (!c->serializer->embed (coords[i]))
+        return_trace (false);
+    }
+
+    if (has_postscript_nameid)
+    {
+      NameID name_id;
+      name_id = StructAfter<NameID> (coords);
+      if (!c->serializer->embed (name_id))
+        return_trace (false);
+    }
+
+    return_trace (true);
+  }
+
   bool sanitize (hb_sanitize_context_t *c, unsigned int axis_count) const
   {
     TRACE_SANITIZE (this);
@@ -58,7 +96,7 @@ struct InstanceRecord
   NameID	subfamilyNameID;/* The name ID for entries in the 'name' table
 				 * that provide subfamily names for this instance. */
   HBUINT16	flags;		/* Reserved for future use — set to 0. */
-  UnsizedArrayOf<HBFixed>
+  UnsizedArrayOf<F16DOT16>
 		coordinatesZ;	/* The coordinates array for this instance. */
   //NameID	postScriptNameIDX;/*Optional. The name ID for entries in the 'name'
   //				  * table that provide PostScript names for this
@@ -96,6 +134,8 @@ struct AxisRecord
     info->reserved = 0;
   }
 
+  hb_tag_t get_axis_tag () const { return axisTag; }
+
   int normalize_axis_value (float v) const
   {
     float min_value, default_value, max_value;
@@ -133,7 +173,6 @@ struct AxisRecord
     return_trace (c->check_struct (this));
   }
 
-  protected:
   void get_coordinates (float &min, float &default_, float &max) const
   {
     default_ = defaultValue / 65536.f;
@@ -142,12 +181,17 @@ struct AxisRecord
     max = hb_max (default_, maxValue / 65536.f);
   }
 
+  float get_default () const
+  {
+    return defaultValue / 65536.f;
+  }
+
   public:
   Tag		axisTag;	/* Tag identifying the design variation for the axis. */
   protected:
-  HBFixed	minValue;	/* The minimum coordinate value for the axis. */
-  HBFixed	defaultValue;	/* The default coordinate value for the axis. */
-  HBFixed	maxValue;	/* The maximum coordinate value for the axis. */
+  F16DOT16	minValue;	/* The minimum coordinate value for the axis. */
+  F16DOT16	defaultValue;	/* The default coordinate value for the axis. */
+  F16DOT16	maxValue;	/* The maximum coordinate value for the axis. */
   public:
   HBUINT16	flags;		/* Axis flags. */
   NameID	axisNameID;	/* The name ID for entries in the 'name' table that
@@ -213,7 +257,7 @@ struct fvar
     if (!axis_index) axis_index = &i;
     *axis_index = HB_OT_VAR_NO_AXIS_INDEX;
     auto axes = get_axes ();
-    return axes.lfind (tag, axis_index) && (axes[*axis_index].get_axis_deprecated (info), true);
+    return axes.lfind (tag, axis_index) && ((void) axes[*axis_index].get_axis_deprecated (info), true);
   }
 #endif
   bool
@@ -221,7 +265,7 @@ struct fvar
   {
     unsigned i;
     auto axes = get_axes ();
-    return axes.lfind (tag, &i) && (axes[i].get_axis_info (i, info), true);
+    return axes.lfind (tag, &i) && ((void) axes[i].get_axis_info (i, info), true);
   }
 
   int normalize_axis_value (unsigned int axis_index, float v) const
@@ -262,7 +306,7 @@ struct fvar
 
     if (coords_length && *coords_length)
     {
-      hb_array_t<const HBFixed> instanceCoords = instance->get_coordinates (axisCount)
+      hb_array_t<const F16DOT16> instanceCoords = instance->get_coordinates (axisCount)
 							 .sub_array (0, coords_length);
       for (unsigned int i = 0; i < instanceCoords.length; i++)
 	coords[i] = instanceCoords.arrayZ[i].to_float ();
@@ -270,24 +314,91 @@ struct fvar
     return axisCount;
   }
 
-  void collect_name_ids (hb_set_t *nameids) const
+  void collect_name_ids (hb_hashmap_t<hb_tag_t, float> *user_axes_location,
+			 hb_set_t *nameids  /* IN/OUT */) const
   {
     if (!has_data ()) return;
+    hb_map_t pinned_axes;
 
-    + get_axes ()
-    | hb_map (&AxisRecord::get_name_id)
-    | hb_sink (nameids)
-    ;
+    auto axis_records = get_axes ();
+    for (unsigned i = 0 ; i < (unsigned)axisCount; i++)
+    {
+      hb_tag_t axis_tag = axis_records[i].get_axis_tag ();
+      if (user_axes_location->has (axis_tag))
+      {
+        pinned_axes.set (i, axis_tag);
+        continue;
+      }
+
+      nameids->add (axis_records[i].get_name_id ());
+    }
+
+    for (unsigned i = 0 ; i < (unsigned)instanceCount; i++)
+    {
+      const InstanceRecord *instance = get_instance (i);
+
+      if (hb_any (+ hb_enumerate (instance->get_coordinates (axisCount))
+                  | hb_filter (pinned_axes, hb_first)
+                  | hb_map ([&] (const hb_pair_t<unsigned, const F16DOT16&>& _)
+                            {
+                              hb_tag_t axis_tag = pinned_axes.get (_.first);
+                              float location = user_axes_location->get (axis_tag);
+                              if (fabs ((double)location - (double)_.second.to_float ()) > 0.001) return true;
+                              return false;
+                            })
+                  ))
+        continue;
+
+      nameids->add (instance->subfamilyNameID);
+
+      if (instanceSize >= axisCount * 4 + 6)
+      {
+        unsigned post_script_name_id = StructAfter<NameID> (instance->get_coordinates (axisCount));
+        if (post_script_name_id != HB_OT_NAME_ID_INVALID) nameids->add (post_script_name_id);
+      }
+    }
+  }
+
+  bool subset (hb_subset_context_t *c) const
+  {
+    TRACE_SUBSET (this);
+    unsigned retained_axis_count = c->plan->axes_index_map->get_population ();
+    if (!retained_axis_count) //all axes are pinned
+      return_trace (false);
+
+    fvar *out = c->serializer->embed (this);
+    if (unlikely (!out)) return_trace (false);
 
-    + hb_range ((unsigned) instanceCount)
-    | hb_map ([this] (const unsigned _) { return get_instance_subfamily_name_id (_); })
-    | hb_sink (nameids)
-    ;
+    if (!c->serializer->check_assign (out->axisCount, retained_axis_count, HB_SERIALIZE_ERROR_INT_OVERFLOW))
+      return_trace (false);
 
-    + hb_range ((unsigned) instanceCount)
-    | hb_map ([this] (const unsigned _) { return get_instance_postscript_name_id (_); })
-    | hb_sink (nameids)
-    ;
+    bool has_postscript_nameid = false;
+    if (instanceSize >= axisCount * 4 + 6)
+      has_postscript_nameid = true;
+
+    if (!c->serializer->check_assign (out->instanceSize, retained_axis_count * 4 + (has_postscript_nameid ? 6 : 4),
+                                      HB_SERIALIZE_ERROR_INT_OVERFLOW))
+      return_trace (false);
+
+    auto axes_records = get_axes ();
+    for (unsigned i = 0 ; i < (unsigned)axisCount; i++)
+    {
+      if (!c->plan->axes_index_map->has (i)) continue;
+      if (unlikely (!c->serializer->embed (axes_records[i])))
+        return_trace (false);
+    }
+
+    if (!c->serializer->check_assign (out->firstAxis, get_size (), HB_SERIALIZE_ERROR_INT_OVERFLOW))
+      return_trace (false);
+
+    for (unsigned i = 0 ; i < (unsigned)instanceCount; i++)
+    {
+      const InstanceRecord *instance = get_instance (i);
+      auto snap = c->serializer->snapshot ();
+      if (!instance->subset (c, axisCount, has_postscript_nameid))
+        c->serializer->revert (snap);
+    }
+    return_trace (true);
   }
 
   public:
@@ -315,8 +426,8 @@ struct fvar
   HBUINT16	instanceCount;	/* The number of named instances defined in the font
 				 * (the number of records in the instances array). */
   HBUINT16	instanceSize;	/* The size in bytes of each InstanceRecord — set
-				 * to either axisCount * sizeof(HBFixed) + 4, or to
-				 * axisCount * sizeof(HBFixed) + 6. */
+				 * to either axisCount * sizeof(F16DOT16) + 4, or to
+				 * axisCount * sizeof(F16DOT16) + 6. */
 
   public:
   DEFINE_SIZE_STATIC (16);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh
index 618cec08fb..e02063ca43 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh
@@ -45,9 +45,10 @@ struct contour_point_t
 
   void translate (const contour_point_t &p) { x += p.x; y += p.y; }
 
-  uint8_t flag;
-  float x, y;
-  bool is_end_point;
+  float x = 0.f;
+  float y = 0.f;
+  uint8_t flag = 0;
+  bool is_end_point = false;
 };
 
 struct contour_point_vector_t : hb_vector_t<contour_point_t>
@@ -55,16 +56,23 @@ struct contour_point_vector_t : hb_vector_t<contour_point_t>
   void extend (const hb_array_t<contour_point_t> &a)
   {
     unsigned int old_len = length;
-    resize (old_len + a.length);
-    for (unsigned int i = 0; i < a.length; i++)
-      (*this)[old_len + i] = a[i];
+    if (unlikely (!resize (old_len + a.length, false)))
+      return;
+    auto arrayZ = this->arrayZ + old_len;
+    unsigned count = a.length;
+    hb_memcpy (arrayZ, a.arrayZ, count * sizeof (arrayZ[0]));
   }
 
   void transform (const float (&matrix)[4])
   {
-    for (unsigned int i = 0; i < length; i++)
+    if (matrix[0] == 1.f && matrix[1] == 0.f &&
+	matrix[2] == 0.f && matrix[3] == 1.f)
+      return;
+    auto arrayZ = this->arrayZ;
+    unsigned count = length;
+    for (unsigned i = 0; i < count; i++)
     {
-      contour_point_t &p = (*this)[i];
+      contour_point_t &p = arrayZ[i];
       float x_ = p.x * matrix[0] + p.y * matrix[2];
 	   p.y = p.x * matrix[1] + p.y * matrix[3];
       p.x = x_;
@@ -73,8 +81,12 @@ struct contour_point_vector_t : hb_vector_t<contour_point_t>
 
   void translate (const contour_point_t& delta)
   {
-    for (unsigned int i = 0; i < length; i++)
-      (*this)[i].translate (delta);
+    if (delta.x == 0.f && delta.y == 0.f)
+      return;
+    auto arrayZ = this->arrayZ;
+    unsigned count = length;
+    for (unsigned i = 0; i < count; i++)
+      arrayZ[i].translate (delta);
   }
 };
 
@@ -89,7 +101,7 @@ struct TupleVariationHeader
   const TupleVariationHeader &get_next (unsigned axis_count) const
   { return StructAtOffset<TupleVariationHeader> (this, get_size (axis_count)); }
 
-  float calculate_scalar (const int *coords, unsigned int coord_count,
+  float calculate_scalar (hb_array_t<int> coords, unsigned int coord_count,
 			  const hb_array_t<const F2DOT14> shared_tuples) const
   {
     hb_array_t<const F2DOT14> peak_tuple;
@@ -208,7 +220,7 @@ struct GlyphVariationData
       {
 	const HBUINT8 *base = &(var_data+var_data->data);
 	const HBUINT8 *p = base;
-	if (!unpack_points (p, shared_indices, var_data_bytes)) return false;
+	if (!unpack_points (p, shared_indices, (const HBUINT8 *) (var_data_bytes.arrayZ + var_data_bytes.length))) return false;
 	data_offset = p - base;
       }
       return true;
@@ -218,8 +230,8 @@ struct GlyphVariationData
     {
       return (index < var_data->tupleVarCount.get_count ()) &&
 	     var_data_bytes.check_range (current_tuple, TupleVariationHeader::min_size) &&
-	     var_data_bytes.check_range (current_tuple, hb_max (current_tuple->get_data_size (), current_tuple->get_size (axis_count))) &&
-	     current_tuple->get_size (axis_count);
+	     var_data_bytes.check_range (current_tuple, hb_max (current_tuple->get_data_size (),
+								current_tuple->get_size (axis_count)));
     }
 
     bool move_to_next ()
@@ -258,7 +270,7 @@ struct GlyphVariationData
 
   static bool unpack_points (const HBUINT8 *&p /* IN/OUT */,
 			     hb_vector_t<unsigned int> &points /* OUT */,
-			     const hb_bytes_t &bytes)
+			     const HBUINT8 *end)
   {
     enum packed_point_flag_t
     {
@@ -266,52 +278,51 @@ struct GlyphVariationData
       POINT_RUN_COUNT_MASK = 0x7F
     };
 
-    if (unlikely (!bytes.check_range (p))) return false;
+    if (unlikely (p + 1 > end)) return false;
 
-    uint16_t count = *p++;
+    unsigned count = *p++;
     if (count & POINTS_ARE_WORDS)
     {
-      if (unlikely (!bytes.check_range (p))) return false;
+      if (unlikely (p + 1 > end)) return false;
       count = ((count & POINT_RUN_COUNT_MASK) << 8) | *p++;
     }
-    points.resize (count);
+    if (unlikely (!points.resize (count, false))) return false;
 
-    unsigned int n = 0;
-    uint16_t i = 0;
+    unsigned n = 0;
+    unsigned i = 0;
     while (i < count)
     {
-      if (unlikely (!bytes.check_range (p))) return false;
-      uint16_t j;
-      uint8_t control = *p++;
-      uint16_t run_count = (control & POINT_RUN_COUNT_MASK) + 1;
+      if (unlikely (p + 1 > end)) return false;
+      unsigned control = *p++;
+      unsigned run_count = (control & POINT_RUN_COUNT_MASK) + 1;
+      if (unlikely (i + run_count > count)) return false;
+      unsigned j;
       if (control & POINTS_ARE_WORDS)
       {
-	for (j = 0; j < run_count && i < count; j++, i++)
+	if (unlikely (p + run_count * HBUINT16::static_size > end)) return false;
+	for (j = 0; j < run_count; j++, i++)
 	{
-	  if (unlikely (!bytes.check_range ((const HBUINT16 *) p)))
-	    return false;
 	  n += *(const HBUINT16 *)p;
-	  points[i] = n;
+	  points.arrayZ[i] = n;
 	  p += HBUINT16::static_size;
 	}
       }
       else
       {
-	for (j = 0; j < run_count && i < count; j++, i++)
+	if (unlikely (p + run_count > end)) return false;
+	for (j = 0; j < run_count; j++, i++)
 	{
-	  if (unlikely (!bytes.check_range (p))) return false;
 	  n += *p++;
-	  points[i] = n;
+	  points.arrayZ[i] = n;
 	}
       }
-      if (j < run_count) return false;
     }
     return true;
   }
 
   static bool unpack_deltas (const HBUINT8 *&p /* IN/OUT */,
 			     hb_vector_t<int> &deltas /* IN/OUT */,
-			     const hb_bytes_t &bytes)
+			     const HBUINT8 *end)
   {
     enum packed_delta_flag_t
     {
@@ -320,34 +331,37 @@ struct GlyphVariationData
       DELTA_RUN_COUNT_MASK = 0x3F
     };
 
-    unsigned int i = 0;
-    unsigned int count = deltas.length;
+    unsigned i = 0;
+    unsigned count = deltas.length;
     while (i < count)
     {
-      if (unlikely (!bytes.check_range (p))) return false;
-      uint8_t control = *p++;
-      unsigned int run_count = (control & DELTA_RUN_COUNT_MASK) + 1;
-      unsigned int j;
+      if (unlikely (p + 1 > end)) return false;
+      unsigned control = *p++;
+      unsigned run_count = (control & DELTA_RUN_COUNT_MASK) + 1;
+      if (unlikely (i + run_count > count)) return false;
+      unsigned j;
       if (control & DELTAS_ARE_ZERO)
-	for (j = 0; j < run_count && i < count; j++, i++)
-	  deltas[i] = 0;
+      {
+	for (j = 0; j < run_count; j++, i++)
+	  deltas.arrayZ[i] = 0;
+      }
       else if (control & DELTAS_ARE_WORDS)
-	for (j = 0; j < run_count && i < count; j++, i++)
+      {
+	if (unlikely (p + run_count * HBUINT16::static_size > end)) return false;
+	for (j = 0; j < run_count; j++, i++)
 	{
-	  if (unlikely (!bytes.check_range ((const HBUINT16 *) p)))
-	    return false;
-	  deltas[i] = *(const HBINT16 *) p;
+	  deltas.arrayZ[i] = * (const HBINT16 *) p;
 	  p += HBUINT16::static_size;
 	}
+      }
       else
-	for (j = 0; j < run_count && i < count; j++, i++)
+      {
+	if (unlikely (p + run_count > end)) return false;
+	for (j = 0; j < run_count; j++, i++)
 	{
-	  if (unlikely (!bytes.check_range (p)))
-	    return false;
-	  deltas[i] = *(const HBINT8 *) p++;
+	  deltas.arrayZ[i] = * (const HBINT8 *) p++;
 	}
-      if (j < run_count)
-	return false;
+      }
     }
     return true;
   }
@@ -390,13 +404,10 @@ struct gvar
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) && (version.major == 1) &&
-		  (glyphCount == c->get_num_glyphs ()) &&
 		  sharedTuples.sanitize (c, this, axisCount * sharedTupleCount) &&
 		  (is_long_offset () ?
 		     c->check_array (get_long_offset_array (), glyphCount+1) :
-		     c->check_array (get_short_offset_array (), glyphCount+1)) &&
-		  c->check_array (((const HBUINT8*)&(this+dataZ)) + get_offset (0),
-				  get_offset (glyphCount) - get_offset (0)));
+		     c->check_array (get_short_offset_array (), glyphCount+1)));
   }
 
   /* GlyphVariationData not sanitized here; must be checked while accessing each glyph variation data */
@@ -443,7 +454,7 @@ struct gvar
       F2DOT14 *tuples = c->serializer->allocate_size<F2DOT14> (shared_tuple_size);
       if (!tuples) return_trace (false);
       out->sharedTuples = (char *) tuples - (char *) out;
-      memcpy (tuples, this+sharedTuples, shared_tuple_size);
+      hb_memcpy (tuples, this+sharedTuples, shared_tuple_size);
     }
 
     char *subset_data = c->serializer->allocate_size<char> (subset_data_size);
@@ -466,7 +477,7 @@ struct gvar
 	((HBUINT16 *) subset_offsets)[gid] = glyph_offset / 2;
 
       if (var_data_bytes.length > 0)
-	memcpy (subset_data, var_data_bytes.arrayZ, var_data_bytes.length);
+	hb_memcpy (subset_data, var_data_bytes.arrayZ, var_data_bytes.length);
       subset_data += var_data_bytes.length;
       glyph_offset += var_data_bytes.length;
     }
@@ -482,7 +493,9 @@ struct gvar
   const hb_bytes_t get_glyph_var_data_bytes (hb_blob_t *blob, hb_codepoint_t glyph) const
   {
     unsigned start_offset = get_offset (glyph);
-    unsigned length = get_offset (glyph+1) - start_offset;
+    unsigned end_offset = get_offset (glyph+1);
+    if (unlikely (end_offset < start_offset)) return hb_bytes_t ();
+    unsigned length = end_offset - start_offset;
     hb_bytes_t var_data = blob->as_bytes ().sub_array (((unsigned) dataZ) + start_offset, length);
     return likely (var_data.length >= GlyphVariationData::min_size) ? var_data : hb_bytes_t ();
   }
@@ -490,7 +503,11 @@ struct gvar
   bool is_long_offset () const { return flags & 1; }
 
   unsigned get_offset (unsigned i) const
-  { return is_long_offset () ? get_long_offset_array ()[i] : get_short_offset_array ()[i] * 2; }
+  {
+    if (unlikely (i > glyphCount)) return 0;
+    _hb_compiler_memory_r_barrier ();
+    return is_long_offset () ? get_long_offset_array ()[i] : get_short_offset_array ()[i] * 2;
+  }
 
   const HBUINT32 * get_long_offset_array () const { return (const HBUINT32 *) &offsetZ; }
   const HBUINT16 *get_short_offset_array () const { return (const HBUINT16 *) &offsetZ; }
@@ -503,19 +520,17 @@ struct gvar
     ~accelerator_t () { table.destroy (); }
 
     private:
-    struct x_getter { static float get (const contour_point_t &p) { return p.x; } };
-    struct y_getter { static float get (const contour_point_t &p) { return p.y; } };
 
-    template <typename T>
     static float infer_delta (const hb_array_t<contour_point_t> points,
 			      const hb_array_t<contour_point_t> deltas,
-			      unsigned int target, unsigned int prev, unsigned int next)
+			      unsigned int target, unsigned int prev, unsigned int next,
+			      float contour_point_t::*m)
     {
-      float target_val = T::get (points[target]);
-      float prev_val = T::get (points[prev]);
-      float next_val = T::get (points[next]);
-      float prev_delta = T::get (deltas[prev]);
-      float next_delta = T::get (deltas[next]);
+      float target_val = points.arrayZ[target].*m;
+      float prev_val = points.arrayZ[prev].*m;
+      float next_val = points.arrayZ[next].*m;
+      float prev_delta =  deltas.arrayZ[prev].*m;
+      float next_delta =  deltas.arrayZ[next].*m;
 
       if (prev_val == next_val)
 	return (prev_delta == next_delta) ? prev_delta : 0.f;
@@ -526,18 +541,18 @@ struct gvar
 
       /* linear interpolation */
       float r = (target_val - prev_val) / (next_val - prev_val);
-      return (1.f - r) * prev_delta + r * next_delta;
+      return prev_delta + r * (next_delta - prev_delta);
     }
 
     static unsigned int next_index (unsigned int i, unsigned int start, unsigned int end)
     { return (i >= end) ? start : (i + 1); }
 
     public:
-    bool apply_deltas_to_points (hb_codepoint_t glyph, hb_font_t *font,
+    bool apply_deltas_to_points (hb_codepoint_t glyph,
+				 hb_array_t<int> coords,
 				 const hb_array_t<contour_point_t> points) const
     {
-      /* num_coords should exactly match gvar's axisCount due to how GlyphVariationData tuples are aligned */
-      if (!font->num_coords || font->num_coords != table->axisCount) return true;
+      if (!coords) return true;
 
       if (unlikely (glyph >= table->glyphCount)) return true;
 
@@ -550,22 +565,26 @@ struct gvar
 	return true; /* so isn't applied at all */
 
       /* Save original points for inferred delta calculation */
-      contour_point_vector_t orig_points;
-      orig_points.resize (points.length);
-      for (unsigned int i = 0; i < orig_points.length; i++)
-	orig_points[i] = points[i];
+      contour_point_vector_t orig_points_vec;
+      orig_points_vec.extend (points);
+      if (unlikely (orig_points_vec.in_error ())) return false;
+      auto orig_points = orig_points_vec.as_array ();
 
-      contour_point_vector_t deltas; /* flag is used to indicate referenced point */
-      deltas.resize (points.length);
+      contour_point_vector_t deltas_vec; /* flag is used to indicate referenced point */
+      if (unlikely (!deltas_vec.resize (points.length, false))) return false;
+      auto deltas = deltas_vec.as_array ();
 
       hb_vector_t<unsigned> end_points;
       for (unsigned i = 0; i < points.length; ++i)
-	if (points[i].is_end_point)
+	if (points.arrayZ[i].is_end_point)
 	  end_points.push (i);
 
-      int *coords = font->coords;
-      unsigned num_coords = font->num_coords;
+      unsigned num_coords = table->axisCount;
       hb_array_t<const F2DOT14> shared_tuples = (table+table->sharedTuples).as_array (table->sharedTupleCount * table->axisCount);
+
+      hb_vector_t<unsigned int> private_indices;
+      hb_vector_t<int> x_deltas;
+      hb_vector_t<int> y_deltas;
       do
       {
 	float scalar = iterator.current_tuple->calculate_scalar (coords, num_coords, shared_tuples);
@@ -575,90 +594,106 @@ struct gvar
 	if (unlikely (!iterator.var_data_bytes.check_range (p, length)))
 	  return false;
 
-	hb_bytes_t bytes ((const char *) p, length);
-	hb_vector_t<unsigned int> private_indices;
+	const HBUINT8 *end = p + length;
+
 	bool has_private_points = iterator.current_tuple->has_private_points ();
 	if (has_private_points &&
-	    !GlyphVariationData::unpack_points (p, private_indices, bytes))
+	    !GlyphVariationData::unpack_points (p, private_indices, end))
 	  return false;
 	const hb_array_t<unsigned int> &indices = has_private_points ? private_indices : shared_indices;
 
 	bool apply_to_all = (indices.length == 0);
 	unsigned int num_deltas = apply_to_all ? points.length : indices.length;
-	hb_vector_t<int> x_deltas;
-	x_deltas.resize (num_deltas);
-	if (!GlyphVariationData::unpack_deltas (p, x_deltas, bytes))
-	  return false;
-	hb_vector_t<int> y_deltas;
-	y_deltas.resize (num_deltas);
-	if (!GlyphVariationData::unpack_deltas (p, y_deltas, bytes))
-	  return false;
+	if (unlikely (!x_deltas.resize (num_deltas, false))) return false;
+	if (unlikely (!GlyphVariationData::unpack_deltas (p, x_deltas, end))) return false;
+	if (unlikely (!y_deltas.resize (num_deltas, false))) return false;
+	if (unlikely (!GlyphVariationData::unpack_deltas (p, y_deltas, end))) return false;
 
-	for (unsigned int i = 0; i < deltas.length; i++)
-	  deltas[i].init ();
-	for (unsigned int i = 0; i < num_deltas; i++)
-	{
-	  unsigned int pt_index = apply_to_all ? i : indices[i];
-	  deltas[pt_index].flag = 1;	/* this point is referenced, i.e., explicit deltas specified */
-	  deltas[pt_index].x += x_deltas[i] * scalar;
-	  deltas[pt_index].y += y_deltas[i] * scalar;
-	}
+	hb_memset (deltas.arrayZ, 0, deltas.get_size ());
+
+	unsigned ref_points = 0;
+	if (scalar != 1.0f)
+	  for (unsigned int i = 0; i < num_deltas; i++)
+	  {
+	    unsigned int pt_index = apply_to_all ? i : indices[i];
+	    if (unlikely (pt_index >= deltas.length)) continue;
+	    auto &delta = deltas.arrayZ[pt_index];
+	    ref_points += !delta.flag;
+	    delta.flag = 1;	/* this point is referenced, i.e., explicit deltas specified */
+	    delta.x += x_deltas.arrayZ[i] * scalar;
+	    delta.y += y_deltas.arrayZ[i] * scalar;
+	  }
+	else
+	  for (unsigned int i = 0; i < num_deltas; i++)
+	  {
+	    unsigned int pt_index = apply_to_all ? i : indices[i];
+	    if (unlikely (pt_index >= deltas.length)) continue;
+	    auto &delta = deltas.arrayZ[pt_index];
+	    ref_points += !delta.flag;
+	    delta.flag = 1;	/* this point is referenced, i.e., explicit deltas specified */
+	    delta.x += x_deltas.arrayZ[i];
+	    delta.y += y_deltas.arrayZ[i];
+	  }
 
 	/* infer deltas for unreferenced points */
-	unsigned start_point = 0;
-	for (unsigned c = 0; c < end_points.length; c++)
+	if (ref_points && ref_points < orig_points.length)
 	{
-	  unsigned end_point = end_points[c];
+	  unsigned start_point = 0;
+	  for (unsigned c = 0; c < end_points.length; c++)
+	  {
+	    unsigned end_point = end_points.arrayZ[c];
 
-	  /* Check the number of unreferenced points in a contour. If no unref points or no ref points, nothing to do. */
-	  unsigned unref_count = 0;
-	  for (unsigned i = start_point; i <= end_point; i++)
-	    if (!deltas[i].flag) unref_count++;
+	    /* Check the number of unreferenced points in a contour. If no unref points or no ref points, nothing to do. */
+	    unsigned unref_count = 0;
+	    for (unsigned i = start_point; i < end_point + 1; i++)
+	      unref_count += deltas.arrayZ[i].flag;
+	    unref_count = (end_point - start_point + 1) - unref_count;
 
-	  unsigned j = start_point;
-	  if (unref_count == 0 || unref_count > end_point - start_point)
-	    goto no_more_gaps;
+	    unsigned j = start_point;
+	    if (unref_count == 0 || unref_count > end_point - start_point)
+	      goto no_more_gaps;
 
-	  for (;;)
-	  {
-	    /* Locate the next gap of unreferenced points between two referenced points prev and next.
-	     * Note that a gap may wrap around at left (start_point) and/or at right (end_point).
-	     */
-	    unsigned int prev, next, i;
-	    for (;;)
-	    {
-	      i = j;
-	      j = next_index (i, start_point, end_point);
-	      if (deltas[i].flag && !deltas[j].flag) break;
-	    }
-	    prev = j = i;
-	    for (;;)
-	    {
-	      i = j;
-	      j = next_index (i, start_point, end_point);
-	      if (!deltas[i].flag && deltas[j].flag) break;
-	    }
-	    next = j;
-	    /* Infer deltas for all unref points in the gap between prev and next */
-	    i = prev;
 	    for (;;)
 	    {
-	      i = next_index (i, start_point, end_point);
-	      if (i == next) break;
-	      deltas[i].x = infer_delta<x_getter> (orig_points.as_array (), deltas.as_array (), i, prev, next);
-	      deltas[i].y = infer_delta<y_getter> (orig_points.as_array (), deltas.as_array (), i, prev, next);
-	      if (--unref_count == 0) goto no_more_gaps;
+	      /* Locate the next gap of unreferenced points between two referenced points prev and next.
+	       * Note that a gap may wrap around at left (start_point) and/or at right (end_point).
+	       */
+	      unsigned int prev, next, i;
+	      for (;;)
+	      {
+		i = j;
+		j = next_index (i, start_point, end_point);
+		if (deltas.arrayZ[i].flag && !deltas.arrayZ[j].flag) break;
+	      }
+	      prev = j = i;
+	      for (;;)
+	      {
+		i = j;
+		j = next_index (i, start_point, end_point);
+		if (!deltas.arrayZ[i].flag && deltas.arrayZ[j].flag) break;
+	      }
+	      next = j;
+	      /* Infer deltas for all unref points in the gap between prev and next */
+	      i = prev;
+	      for (;;)
+	      {
+		i = next_index (i, start_point, end_point);
+		if (i == next) break;
+		deltas.arrayZ[i].x = infer_delta (orig_points, deltas, i, prev, next, &contour_point_t::x);
+		deltas.arrayZ[i].y = infer_delta (orig_points, deltas, i, prev, next, &contour_point_t::y);
+		if (--unref_count == 0) goto no_more_gaps;
+	      }
 	    }
+	  no_more_gaps:
+	    start_point = end_point + 1;
 	  }
-no_more_gaps:
-	  start_point = end_point + 1;
 	}
 
 	/* apply specified / inferred deltas to points */
 	for (unsigned int i = 0; i < points.length; i++)
 	{
-	  points[i].x += deltas[i].x;
-	  points[i].y += deltas[i].y;
+	  points.arrayZ[i].x += deltas.arrayZ[i].x;
+	  points.arrayZ[i].y += deltas.arrayZ[i].y;
 	}
       } while (iterator.move_to_next ());
 
@@ -696,7 +731,7 @@ no_more_gaps:
 		offsetZ;	/* Offsets from the start of the GlyphVariationData array
 				 * to each GlyphVariationData table. */
   public:
-  DEFINE_SIZE_MIN (20);
+  DEFINE_SIZE_ARRAY (20, offsetZ);
 };
 
 struct gvar_accelerator_t : gvar::accelerator_t {
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-hvar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-hvar-table.hh
index e9d90352f0..53355c5077 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-hvar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-hvar-table.hh
@@ -319,23 +319,27 @@ struct HVARVVAR
 						hvar_plan.index_map_plans.as_array ()));
   }
 
-  float get_advance_var (hb_codepoint_t glyph, hb_font_t *font) const
+  float get_advance_delta_unscaled (hb_codepoint_t  glyph,
+				    const int *coords, unsigned int coord_count,
+				    VariationStore::cache_t *store_cache = nullptr) const
   {
     uint32_t varidx = (this+advMap).map (glyph);
-    return (this+varStore).get_delta (varidx, font->coords, font->num_coords);
+    return (this+varStore).get_delta (varidx,
+				      coords, coord_count,
+				      store_cache);
   }
 
-  float get_side_bearing_var (hb_codepoint_t glyph,
-			      const int *coords, unsigned int coord_count) const
+  bool get_lsb_delta_unscaled (hb_codepoint_t glyph,
+			       const int *coords, unsigned int coord_count,
+			       float *lsb) const
   {
-    if (!has_side_bearing_deltas ()) return 0.f;
+    if (!lsbMap) return false;
     uint32_t varidx = (this+lsbMap).map (glyph);
-    return (this+varStore).get_delta (varidx, coords, coord_count);
+    *lsb = (this+varStore).get_delta (varidx, coords, coord_count);
+    return true;
   }
 
-  bool has_side_bearing_deltas () const { return lsbMap && rsbMap; }
-
-  protected:
+  public:
   FixedVersion<>version;	/* Version of the metrics variation table
 				 * initially set to 0x00010000u */
   Offset32To<VariationStore>
@@ -387,6 +391,16 @@ struct VVAR : HVARVVAR {
 
   bool subset (hb_subset_context_t *c) const { return HVARVVAR::_subset<VVAR> (c); }
 
+  bool get_vorg_delta_unscaled (hb_codepoint_t glyph,
+				const int *coords, unsigned int coord_count,
+				float *delta) const
+  {
+    if (!vorgMap) return false;
+    uint32_t varidx = (this+vorgMap).map (glyph);
+    *delta = (this+varStore).get_delta (varidx, coords, coord_count);
+    return true;
+  }
+
   protected:
   Offset32To<DeltaSetIndexMap>
 		vorgMap;	/* Offset to vertical-origin var-idx mapping. */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-mvar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-mvar-table.hh
index 208db46741..420366fbb3 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-mvar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-mvar-table.hh
@@ -43,7 +43,7 @@ struct VariationValueRecord
 
   public:
   Tag		valueTag;	/* Four-byte tag identifying a font-wide measure. */
-  HBUINT32		varIdx;		/* Outer/inner index into VariationStore item. */
+  VarIdx	varIdx;		/* Outer/inner index into VariationStore item. */
 
   public:
   DEFINE_SIZE_STATIC (8);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-var.cc
index 0376e26b4a..f000f27263 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var.cc
@@ -56,7 +56,7 @@
  *
  * Tests whether a face includes any OpenType variation data in the `fvar` table.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 1.4.2
  **/
@@ -162,7 +162,7 @@ hb_ot_var_get_axis_infos (hb_face_t             *face,
  * Fetches the variation-axis information corresponding to the specified axis tag
  * in the specified face.
  *
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
  *
  * Since: 2.2.0
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-pool.hh b/src/3rdparty/harfbuzz-ng/src/hb-pool.hh
index dcf8f6627d..e4bb64f627 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-pool.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-pool.hh
@@ -35,15 +35,13 @@ template <typename T, unsigned ChunkLen = 16>
 struct hb_pool_t
 {
   hb_pool_t () : next (nullptr) {}
-  ~hb_pool_t () { fini (); }
-
-  void fini ()
+  ~hb_pool_t ()
   {
     next = nullptr;
 
-    for (chunk_t *_ : chunks) hb_free (_);
-
-    chunks.fini ();
+    + hb_iter (chunks)
+    | hb_apply (hb_free)
+    ;
   }
 
   T* alloc ()
@@ -60,7 +58,7 @@ struct hb_pool_t
     T* obj = next;
     next = * ((T**) next);
 
-    memset (obj, 0, sizeof (T));
+    hb_memset (obj, 0, sizeof (T));
 
     return obj;
   }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-priority-queue.hh b/src/3rdparty/harfbuzz-ng/src/hb-priority-queue.hh
index 7d799ae906..ac76b7d955 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-priority-queue.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-priority-queue.hh
@@ -38,18 +38,11 @@
  */
 struct hb_priority_queue_t
 {
-  HB_DELETE_COPY_ASSIGN (hb_priority_queue_t);
-  hb_priority_queue_t ()  { init (); }
-  ~hb_priority_queue_t () { fini (); }
-
  private:
   typedef hb_pair_t<int64_t, unsigned> item_t;
   hb_vector_t<item_t> heap;
 
  public:
-  void init () { heap.init (); }
-
-  void fini () { heap.fini (); }
 
   void reset () { heap.resize (0); }
 
@@ -58,16 +51,21 @@ struct hb_priority_queue_t
   void insert (int64_t priority, unsigned value)
   {
     heap.push (item_t (priority, value));
+    if (unlikely (heap.in_error ())) return;
     bubble_up (heap.length - 1);
   }
 
   item_t pop_minimum ()
   {
-    item_t result = heap[0];
+    assert (!is_empty ());
+
+    item_t result = heap.arrayZ[0];
 
-    heap[0] = heap[heap.length - 1];
+    heap.arrayZ[0] = heap.arrayZ[heap.length - 1];
     heap.shrink (heap.length - 1);
-    bubble_down (0);
+
+    if (!is_empty ())
+      bubble_down (0);
 
     return result;
   }
@@ -104,6 +102,8 @@ struct hb_priority_queue_t
 
   void bubble_down (unsigned index)
   {
+    assert (index < heap.length);
+
     unsigned left = left_child (index);
     unsigned right = right_child (index);
 
@@ -113,11 +113,11 @@ struct hb_priority_queue_t
       return;
 
     bool has_right = right < heap.length;
-    if (heap[index].first <= heap[left].first
-        && (!has_right || heap[index].first <= heap[right].first))
+    if (heap.arrayZ[index].first <= heap.arrayZ[left].first
+        && (!has_right || heap.arrayZ[index].first <= heap.arrayZ[right].first))
       return;
 
-    if (!has_right || heap[left].first < heap[right].first)
+    if (!has_right || heap.arrayZ[left].first < heap.arrayZ[right].first)
     {
       swap (index, left);
       bubble_down (left);
@@ -130,10 +130,12 @@ struct hb_priority_queue_t
 
   void bubble_up (unsigned index)
   {
+    assert (index < heap.length);
+
     if (index == 0) return;
 
     unsigned parent_index = parent (index);
-    if (heap[parent_index].first <= heap[index].first)
+    if (heap.arrayZ[parent_index].first <= heap.arrayZ[index].first)
       return;
 
     swap (index, parent_index);
@@ -142,9 +144,9 @@ struct hb_priority_queue_t
 
   void swap (unsigned a, unsigned b)
   {
-    item_t temp = heap[a];
-    heap[a] = heap[b];
-    heap[b] = temp;
+    assert (a < heap.length);
+    assert (b < heap.length);
+    hb_swap (heap.arrayZ[a], heap.arrayZ[b]);
   }
 };
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-repacker.hh b/src/3rdparty/harfbuzz-ng/src/hb-repacker.hh
index 2a9e75c45b..7a3143cec3 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-repacker.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-repacker.hh
@@ -29,1077 +29,157 @@
 
 #include "hb-open-type.hh"
 #include "hb-map.hh"
-#include "hb-priority-queue.hh"
-#include "hb-serialize.hh"
 #include "hb-vector.hh"
+#include "graph/graph.hh"
+#include "graph/gsubgpos-graph.hh"
+#include "graph/serialize.hh"
+
+using graph::graph_t;
 
 /*
  * For a detailed writeup on the overflow resolution algorithm see:
  * docs/repacker.md
  */
-struct graph_t
-{
-  struct vertex_t
-  {
-    hb_serialize_context_t::object_t obj;
-    int64_t distance = 0 ;
-    int64_t space = 0 ;
-    hb_vector_t<unsigned> parents;
-    unsigned start = 0;
-    unsigned end = 0;
-    unsigned priority = 0;
-
-    bool is_shared () const
-    {
-      return parents.length > 1;
-    }
-
-    unsigned incoming_edges () const
-    {
-      return parents.length;
-    }
-
-    void remove_parent (unsigned parent_index)
-    {
-      for (unsigned i = 0; i < parents.length; i++)
-      {
-        if (parents[i] != parent_index) continue;
-        parents.remove (i);
-        break;
-      }
-    }
-
-    void remap_parents (const hb_vector_t<unsigned>& id_map)
-    {
-      for (unsigned i = 0; i < parents.length; i++)
-        parents[i] = id_map[parents[i]];
-    }
-
-    void remap_parent (unsigned old_index, unsigned new_index)
-    {
-      for (unsigned i = 0; i < parents.length; i++)
-      {
-        if (parents[i] == old_index)
-          parents[i] = new_index;
-      }
-    }
-
-    bool is_leaf () const
-    {
-      return !obj.real_links.length && !obj.virtual_links.length;
-    }
-
-    bool raise_priority ()
-    {
-      if (has_max_priority ()) return false;
-      priority++;
-      return true;
-    }
-
-    bool has_max_priority () const {
-      return priority >= 3;
-    }
-
-    int64_t modified_distance (unsigned order) const
-    {
-      // TODO(garretrieger): once priority is high enough, should try
-      // setting distance = 0 which will force to sort immediately after
-      // it's parent where possible.
-
-      int64_t modified_distance =
-          hb_min (hb_max(distance + distance_modifier (), 0), 0x7FFFFFFFFFF);
-      if (has_max_priority ()) {
-        modified_distance = 0;
-      }
-      return (modified_distance << 18) | (0x003FFFF & order);
-    }
-
-    int64_t distance_modifier () const
-    {
-      if (!priority) return 0;
-      int64_t table_size = obj.tail - obj.head;
-
-      if (priority == 1)
-        return -table_size / 2;
-
-      return -table_size;
-    }
-  };
-
-  struct overflow_record_t
-  {
-    unsigned parent;
-    unsigned child;
-  };
-
-  /*
-   * A topological sorting of an object graph. Ordered
-   * in reverse serialization order (first object in the
-   * serialization is at the end of the list). This matches
-   * the 'packed' object stack used internally in the
-   * serializer
-   */
-  template<typename T>
-  graph_t (const T& objects)
-      : parents_invalid (true),
-        distance_invalid (true),
-        positions_invalid (true),
-        successful (true)
-  {
-    num_roots_for_space_.push (1);
-    bool removed_nil = false;
-    for (unsigned i = 0; i < objects.length; i++)
-    {
-      // TODO(grieger): check all links point to valid objects.
-
-      // If this graph came from a serialization buffer object 0 is the
-      // nil object. We don't need it for our purposes here so drop it.
-      if (i == 0 && !objects[i])
-      {
-        removed_nil = true;
-        continue;
-      }
-
-      vertex_t* v = vertices_.push ();
-      if (check_success (!vertices_.in_error ()))
-        v->obj = *objects[i];
-      if (!removed_nil) continue;
-      // Fix indices to account for removed nil object.
-      for (auto& l : v->obj.all_links_writer ()) {
-        l.objidx--;
-      }
-    }
-  }
-
-  ~graph_t ()
-  {
-    vertices_.fini ();
-  }
-
-  bool in_error () const
-  {
-    return !successful ||
-        vertices_.in_error () ||
-        num_roots_for_space_.in_error ();
-  }
-
-  const vertex_t& root () const
-  {
-    return vertices_[root_idx ()];
-  }
-
-  unsigned root_idx () const
-  {
-    // Object graphs are in reverse order, the first object is at the end
-    // of the vector. Since the graph is topologically sorted it's safe to
-    // assume the first object has no incoming edges.
-    return vertices_.length - 1;
-  }
-
-  const hb_serialize_context_t::object_t& object(unsigned i) const
-  {
-    return vertices_[i].obj;
-  }
-
-  /*
-   * serialize graph into the provided serialization buffer.
-   */
-  hb_blob_t* serialize () const
-  {
-    hb_vector_t<char> buffer;
-    size_t size = serialized_length ();
-    if (!buffer.alloc (size)) {
-      DEBUG_MSG (SUBSET_REPACK, nullptr, "Unable to allocate output buffer.");
-      return nullptr;
-    }
-    hb_serialize_context_t c((void *) buffer, size);
-
-    c.start_serialize<void> ();
-    for (unsigned i = 0; i < vertices_.length; i++) {
-      c.push ();
-
-      size_t size = vertices_[i].obj.tail - vertices_[i].obj.head;
-      char* start = c.allocate_size <char> (size);
-      if (!start) {
-        DEBUG_MSG (SUBSET_REPACK, nullptr, "Buffer out of space.");
-        return nullptr;
-      }
-
-      memcpy (start, vertices_[i].obj.head, size);
-
-      // Only real links needs to be serialized.
-      for (const auto& link : vertices_[i].obj.real_links)
-        serialize_link (link, start, &c);
-
-      // All duplications are already encoded in the graph, so don't
-      // enable sharing during packing.
-      c.pop_pack (false);
-    }
-    c.end_serialize ();
-
-    if (c.in_error ()) {
-      DEBUG_MSG (SUBSET_REPACK, nullptr, "Error during serialization. Err flag: %d",
-                 c.errors);
-      return nullptr;
-    }
-
-    return c.copy_blob ();
-  }
-
-  /*
-   * Generates a new topological sorting of graph using Kahn's
-   * algorithm: https://en.wikipedia.org/wiki/Topological_sorting#Algorithms
-   */
-  void sort_kahn ()
-  {
-    positions_invalid = true;
-
-    if (vertices_.length <= 1) {
-      // Graph of 1 or less doesn't need sorting.
-      return;
-    }
-
-    hb_vector_t<unsigned> queue;
-    hb_vector_t<vertex_t> sorted_graph;
-    if (unlikely (!check_success (sorted_graph.resize (vertices_.length)))) return;
-    hb_vector_t<unsigned> id_map;
-    if (unlikely (!check_success (id_map.resize (vertices_.length)))) return;
-
-    hb_vector_t<unsigned> removed_edges;
-    if (unlikely (!check_success (removed_edges.resize (vertices_.length)))) return;
-    update_parents ();
-
-    queue.push (root_idx ());
-    int new_id = vertices_.length - 1;
-
-    while (!queue.in_error () && queue.length)
-    {
-      unsigned next_id = queue[0];
-      queue.remove (0);
-
-      vertex_t& next = vertices_[next_id];
-      sorted_graph[new_id] = next;
-      id_map[next_id] = new_id--;
-
-      for (const auto& link : next.obj.all_links ()) {
-        removed_edges[link.objidx]++;
-        if (!(vertices_[link.objidx].incoming_edges () - removed_edges[link.objidx]))
-          queue.push (link.objidx);
-      }
-    }
-
-    check_success (!queue.in_error ());
-    check_success (!sorted_graph.in_error ());
-    if (!check_success (new_id == -1))
-      print_orphaned_nodes ();
-
-    remap_all_obj_indices (id_map, &sorted_graph);
-
-    hb_swap (vertices_, sorted_graph);
-    sorted_graph.fini ();
-  }
-
-  /*
-   * Generates a new topological sorting of graph ordered by the shortest
-   * distance to each node.
-   */
-  void sort_shortest_distance ()
-  {
-    positions_invalid = true;
-
-    if (vertices_.length <= 1) {
-      // Graph of 1 or less doesn't need sorting.
-      return;
-    }
-
-    update_distances ();
 
-    hb_priority_queue_t queue;
-    hb_vector_t<vertex_t> sorted_graph;
-    if (unlikely (!check_success (sorted_graph.resize (vertices_.length)))) return;
-    hb_vector_t<unsigned> id_map;
-    if (unlikely (!check_success (id_map.resize (vertices_.length)))) return;
-
-    hb_vector_t<unsigned> removed_edges;
-    if (unlikely (!check_success (removed_edges.resize (vertices_.length)))) return;
-    update_parents ();
-
-    queue.insert (root ().modified_distance (0), root_idx ());
-    int new_id = root_idx ();
-    unsigned order = 1;
-    while (!queue.in_error () && !queue.is_empty ())
-    {
-      unsigned next_id = queue.pop_minimum().second;
-
-      vertex_t& next = vertices_[next_id];
-      sorted_graph[new_id] = next;
-      id_map[next_id] = new_id--;
-
-      for (const auto& link : next.obj.all_links ()) {
-        removed_edges[link.objidx]++;
-        if (!(vertices_[link.objidx].incoming_edges () - removed_edges[link.objidx]))
-          // Add the order that the links were encountered to the priority.
-          // This ensures that ties between priorities objects are broken in a consistent
-          // way. More specifically this is set up so that if a set of objects have the same
-          // distance they'll be added to the topological order in the order that they are
-          // referenced from the parent object.
-          queue.insert (vertices_[link.objidx].modified_distance (order++),
-                        link.objidx);
-      }
-    }
-
-    check_success (!queue.in_error ());
-    check_success (!sorted_graph.in_error ());
-    if (!check_success (new_id == -1))
-      print_orphaned_nodes ();
-
-    remap_all_obj_indices (id_map, &sorted_graph);
-
-    hb_swap (vertices_, sorted_graph);
-    sorted_graph.fini ();
-  }
-
-  /*
-   * Assign unique space numbers to each connected subgraph of 32 bit offset(s).
-   */
-  bool assign_32bit_spaces ()
-  {
-    unsigned root_index = root_idx ();
-    hb_set_t visited;
-    hb_set_t roots;
-    for (unsigned i = 0; i <= root_index; i++)
-    {
-      // Only real links can form 32 bit spaces
-      for (auto& l : vertices_[i].obj.real_links)
-      {
-        if (l.width == 4 && !l.is_signed)
-        {
-          roots.add (l.objidx);
-          find_subgraph (l.objidx, visited);
-        }
-      }
-    }
-
-    // Mark everything not in the subgraphs of 32 bit roots as visited.
-    // This prevents 32 bit subgraphs from being connected via nodes not in the 32 bit subgraphs.
-    visited.invert ();
-
-    if (!roots) return false;
-
-    while (roots)
-    {
-      unsigned next = HB_SET_VALUE_INVALID;
-      if (unlikely (!check_success (!roots.in_error ()))) break;
-      if (!roots.next (&next)) break;
-
-      hb_set_t connected_roots;
-      find_connected_nodes (next, roots, visited, connected_roots);
-      if (unlikely (!check_success (!connected_roots.in_error ()))) break;
-
-      isolate_subgraph (connected_roots);
-      if (unlikely (!check_success (!connected_roots.in_error ()))) break;
-
-      unsigned next_space = this->next_space ();
-      num_roots_for_space_.push (0);
-      for (unsigned root : connected_roots)
-      {
-        DEBUG_MSG (SUBSET_REPACK, nullptr, "Subgraph %u gets space %u", root, next_space);
-        vertices_[root].space = next_space;
-        num_roots_for_space_[next_space] = num_roots_for_space_[next_space] + 1;
-        distance_invalid = true;
-        positions_invalid = true;
-      }
-
-      // TODO(grieger): special case for GSUB/GPOS use extension promotions to move 16 bit space
-      //                into the 32 bit space as needed, instead of using isolation.
-    }
-
-
-
-    return true;
-  }
-
-  /*
-   * Isolates the subgraph of nodes reachable from root. Any links to nodes in the subgraph
-   * that originate from outside of the subgraph will be removed by duplicating the linked to
-   * object.
-   *
-   * Indices stored in roots will be updated if any of the roots are duplicated to new indices.
-   */
-  bool isolate_subgraph (hb_set_t& roots)
-  {
-    update_parents ();
-    hb_hashmap_t<unsigned, unsigned> subgraph;
-
-    // incoming edges to root_idx should be all 32 bit in length so we don't need to de-dup these
-    // set the subgraph incoming edge count to match all of root_idx's incoming edges
-    hb_set_t parents;
-    for (unsigned root_idx : roots)
-    {
-      subgraph.set (root_idx, wide_parents (root_idx, parents));
-      find_subgraph (root_idx, subgraph);
-    }
-
-    unsigned original_root_idx = root_idx ();
-    hb_hashmap_t<unsigned, unsigned> index_map;
-    bool made_changes = false;
-    for (auto entry : subgraph.iter ())
-    {
-      const auto& node = vertices_[entry.first];
-      unsigned subgraph_incoming_edges = entry.second;
-
-      if (subgraph_incoming_edges < node.incoming_edges ())
-      {
-        // Only  de-dup objects with incoming links from outside the subgraph.
-        made_changes = true;
-        duplicate_subgraph (entry.first, index_map);
-      }
-    }
-
-    if (!made_changes)
-      return false;
-
-    if (original_root_idx != root_idx ()
-        && parents.has (original_root_idx))
-    {
-      // If the root idx has changed since parents was determined, update root idx in parents
-      parents.add (root_idx ());
-      parents.del (original_root_idx);
-    }
-
-    auto new_subgraph =
-        + subgraph.keys ()
-        | hb_map([&] (unsigned node_idx) {
-          if (index_map.has (node_idx)) return index_map[node_idx];
-          return node_idx;
-        })
-        ;
-
-    remap_obj_indices (index_map, new_subgraph);
-    remap_obj_indices (index_map, parents.iter (), true);
-
-    // Update roots set with new indices as needed.
-    unsigned next = HB_SET_VALUE_INVALID;
-    while (roots.next (&next))
-    {
-      if (index_map.has (next))
-      {
-        roots.del (next);
-        roots.add (index_map[next]);
-      }
-    }
-
-    return true;
-  }
-
-  void find_subgraph (unsigned node_idx, hb_hashmap_t<unsigned, unsigned>& subgraph)
-  {
-    for (const auto& link : vertices_[node_idx].obj.all_links ())
-    {
-      if (subgraph.has (link.objidx))
-      {
-        subgraph.set (link.objidx, subgraph[link.objidx] + 1);
-        continue;
-      }
-      subgraph.set (link.objidx, 1);
-      find_subgraph (link.objidx, subgraph);
-    }
-  }
+struct lookup_size_t
+{
+  unsigned lookup_index;
+  size_t size;
+  unsigned num_subtables;
 
-  void find_subgraph (unsigned node_idx, hb_set_t& subgraph)
+  static int cmp (const void* a, const void* b)
   {
-    if (subgraph.has (node_idx)) return;
-    subgraph.add (node_idx);
-    for (const auto& link : vertices_[node_idx].obj.all_links ())
-      find_subgraph (link.objidx, subgraph);
+    return cmp ((const lookup_size_t*) a,
+                (const lookup_size_t*) b);
   }
 
-  /*
-   * duplicates all nodes in the subgraph reachable from node_idx. Does not re-assign
-   * links. index_map is updated with mappings from old id to new id. If a duplication has already
-   * been performed for a given index, then it will be skipped.
-   */
-  void duplicate_subgraph (unsigned node_idx, hb_hashmap_t<unsigned, unsigned>& index_map)
+  static int cmp (const lookup_size_t* a, const lookup_size_t* b)
   {
-    if (index_map.has (node_idx))
-      return;
-
-    index_map.set (node_idx, duplicate (node_idx));
-    for (const auto& l : object (node_idx).all_links ()) {
-      duplicate_subgraph (l.objidx, index_map);
-    }
-  }
-
-  /*
-   * Creates a copy of node_idx and returns it's new index.
-   */
-  unsigned duplicate (unsigned node_idx)
-  {
-    positions_invalid = true;
-    distance_invalid = true;
-
-    auto* clone = vertices_.push ();
-    auto& child = vertices_[node_idx];
-    if (vertices_.in_error ()) {
-      return -1;
-    }
-
-    clone->obj.head = child.obj.head;
-    clone->obj.tail = child.obj.tail;
-    clone->distance = child.distance;
-    clone->space = child.space;
-    clone->parents.reset ();
-
-    unsigned clone_idx = vertices_.length - 2;
-    for (const auto& l : child.obj.real_links)
-    {
-      clone->obj.real_links.push (l);
-      vertices_[l.objidx].parents.push (clone_idx);
+    double subtables_per_byte_a = (double) a->num_subtables / (double) a->size;
+    double subtables_per_byte_b = (double) b->num_subtables / (double) b->size;
+    if (subtables_per_byte_a == subtables_per_byte_b) {
+      return b->lookup_index - a->lookup_index;
     }
-    for (const auto& l : child.obj.virtual_links)
-    {
-      clone->obj.virtual_links.push (l);
-      vertices_[l.objidx].parents.push (clone_idx);
-    }
-
-    check_success (!clone->obj.real_links.in_error ());
-    check_success (!clone->obj.virtual_links.in_error ());
-
-    // The last object is the root of the graph, so swap back the root to the end.
-    // The root's obj idx does change, however since it's root nothing else refers to it.
-    // all other obj idx's will be unaffected.
-    vertex_t root = vertices_[vertices_.length - 2];
-    vertices_[clone_idx] = *clone;
-    vertices_[vertices_.length - 1] = root;
 
-    // Since the root moved, update the parents arrays of all children on the root.
-    for (const auto& l : root.obj.all_links ())
-      vertices_[l.objidx].remap_parent (root_idx () - 1, root_idx ());
-
-    return clone_idx;
+    double cmp = subtables_per_byte_b - subtables_per_byte_a;
+    if (cmp < 0) return -1;
+    if (cmp > 0) return 1;
+    return 0;
   }
+};
 
-  /*
-   * Creates a copy of child and re-assigns the link from
-   * parent to the clone. The copy is a shallow copy, objects
-   * linked from child are not duplicated.
-   */
-  bool duplicate (unsigned parent_idx, unsigned child_idx)
-  {
-    update_parents ();
-
-    unsigned links_to_child = 0;
-    for (const auto& l : vertices_[parent_idx].obj.all_links ())
-    {
-      if (l.objidx == child_idx) links_to_child++;
-    }
-
-    if (vertices_[child_idx].incoming_edges () <= links_to_child)
-    {
-      // Can't duplicate this node, doing so would orphan the original one as all remaining links
-      // to child are from parent.
-      DEBUG_MSG (SUBSET_REPACK, nullptr, "  Not duplicating %d => %d",
-                 parent_idx, child_idx);
+static inline
+bool _presplit_subtables_if_needed (graph::gsubgpos_graph_context_t& ext_context)
+{
+  // For each lookup this will check the size of subtables and split them as needed
+  // so that no subtable is at risk of overflowing. (where we support splitting for
+  // that subtable type).
+  //
+  // TODO(grieger): de-dup newly added nodes as necessary. Probably just want a full de-dup
+  //                pass after this processing is done. Not super necessary as splits are
+  //                only done where overflow is likely, so de-dup probably will get undone
+  //                later anyways.
+  for (unsigned lookup_index : ext_context.lookups.keys ())
+  {
+    graph::Lookup* lookup = ext_context.lookups.get(lookup_index);
+    if (!lookup->split_subtables_if_needed (ext_context, lookup_index))
       return false;
-    }
-
-    DEBUG_MSG (SUBSET_REPACK, nullptr, "  Duplicating %d => %d",
-               parent_idx, child_idx);
-
-    unsigned clone_idx = duplicate (child_idx);
-    if (clone_idx == (unsigned) -1) return false;
-    // duplicate shifts the root node idx, so if parent_idx was root update it.
-    if (parent_idx == clone_idx) parent_idx++;
-
-    auto& parent = vertices_[parent_idx];
-    for (auto& l : parent.obj.all_links_writer ())
-    {
-      if (l.objidx != child_idx)
-        continue;
-
-      reassign_link (l, parent_idx, clone_idx);
-    }
-
-    return true;
-  }
-
-  /*
-   * Raises the sorting priority of all children.
-   */
-  bool raise_childrens_priority (unsigned parent_idx)
-  {
-    DEBUG_MSG (SUBSET_REPACK, nullptr, "  Raising priority of all children of %d",
-               parent_idx);
-    // This operation doesn't change ordering until a sort is run, so no need
-    // to invalidate positions. It does not change graph structure so no need
-    // to update distances or edge counts.
-    auto& parent = vertices_[parent_idx].obj;
-    bool made_change = false;
-    for (auto& l : parent.all_links_writer ())
-      made_change |= vertices_[l.objidx].raise_priority ();
-    return made_change;
   }
 
-  /*
-   * Will any offsets overflow on graph when it's serialized?
-   */
-  bool will_overflow (hb_vector_t<overflow_record_t>* overflows = nullptr)
-  {
-    if (overflows) overflows->resize (0);
-    update_positions ();
-
-    for (int parent_idx = vertices_.length - 1; parent_idx >= 0; parent_idx--)
-    {
-      // Don't need to check virtual links for overflow
-      for (const auto& link : vertices_[parent_idx].obj.real_links)
-      {
-        int64_t offset = compute_offset (parent_idx, link);
-        if (is_valid_offset (offset, link))
-          continue;
-
-        if (!overflows) return true;
-
-        overflow_record_t r;
-        r.parent = parent_idx;
-        r.child = link.objidx;
-        overflows->push (r);
-      }
-    }
-
-    if (!overflows) return false;
-    return overflows->length;
-  }
-
-  void print_orphaned_nodes ()
-  {
-    if (!DEBUG_ENABLED(SUBSET_REPACK)) return;
-
-    DEBUG_MSG (SUBSET_REPACK, nullptr, "Graph is not fully connected.");
-    parents_invalid = true;
-    update_parents();
-
-    for (unsigned i = 0; i < root_idx (); i++)
-    {
-      const auto& v = vertices_[i];
-      if (!v.parents)
-        DEBUG_MSG (SUBSET_REPACK, nullptr, "Node %u is orphaned.", i);
-    }
-  }
-
-  void print_overflows (const hb_vector_t<overflow_record_t>& overflows)
-  {
-    if (!DEBUG_ENABLED(SUBSET_REPACK)) return;
-
-    update_parents ();
-    int limit = 10;
-    for (const auto& o : overflows)
-    {
-      if (!limit--) break;
-      const auto& parent = vertices_[o.parent];
-      const auto& child = vertices_[o.child];
-      DEBUG_MSG (SUBSET_REPACK, nullptr,
-                 "  overflow from "
-                 "%4d (%4d in, %4d out, space %2d) => "
-                 "%4d (%4d in, %4d out, space %2d)",
-                 o.parent,
-                 parent.incoming_edges (),
-                 parent.obj.real_links.length + parent.obj.virtual_links.length,
-                 space_for (o.parent),
-                 o.child,
-                 child.incoming_edges (),
-                 child.obj.real_links.length + child.obj.virtual_links.length,
-                 space_for (o.child));
-    }
-    if (overflows.length > 10) {
-      DEBUG_MSG (SUBSET_REPACK, nullptr, "  ... plus %d more overflows.", overflows.length - 10);
-    }
-  }
-
-  unsigned num_roots_for_space (unsigned space) const
-  {
-    return num_roots_for_space_[space];
-  }
-
-  unsigned next_space () const
-  {
-    return num_roots_for_space_.length;
-  }
-
-  void move_to_new_space (const hb_set_t& indices)
-  {
-    num_roots_for_space_.push (0);
-    unsigned new_space = num_roots_for_space_.length - 1;
-
-    for (unsigned index : indices) {
-      auto& node = vertices_[index];
-      num_roots_for_space_[node.space] = num_roots_for_space_[node.space] - 1;
-      num_roots_for_space_[new_space] = num_roots_for_space_[new_space] + 1;
-      node.space = new_space;
-      distance_invalid = true;
-      positions_invalid = true;
-    }
-  }
-
-  unsigned space_for (unsigned index, unsigned* root = nullptr) const
-  {
-    const auto& node = vertices_[index];
-    if (node.space)
-    {
-      if (root != nullptr)
-        *root = index;
-      return node.space;
-    }
-
-    if (!node.parents)
-    {
-      if (root)
-        *root = index;
-      return 0;
-    }
-
-    return space_for (node.parents[0], root);
-  }
-
-  void err_other_error () { this->successful = false; }
-
- private:
-
-  size_t serialized_length () const {
-    size_t total_size = 0;
-    for (unsigned i = 0; i < vertices_.length; i++) {
-      size_t size = vertices_[i].obj.tail - vertices_[i].obj.head;
-      total_size += size;
-    }
-    return total_size;
-  }
+  return true;
+}
 
-  /*
-   * Returns the numbers of incoming edges that are 32bits wide.
-   */
-  unsigned wide_parents (unsigned node_idx, hb_set_t& parents) const
-  {
-    unsigned count = 0;
+/*
+ * Analyze the lookups in a GSUB/GPOS table and decide if any should be promoted
+ * to extension lookups.
+ */
+static inline
+bool _promote_extensions_if_needed (graph::gsubgpos_graph_context_t& ext_context)
+{
+  // Simple Algorithm (v1, current):
+  // 1. Calculate how many bytes each non-extension lookup consumes.
+  // 2. Select up to 64k of those to remain as non-extension (greedy, highest subtables per byte first)
+  // 3. Promote the rest.
+  //
+  // Advanced Algorithm (v2, not implemented):
+  // 1. Perform connected component analysis using lookups as roots.
+  // 2. Compute size of each connected component.
+  // 3. Select up to 64k worth of connected components to remain as non-extensions.
+  //    (greedy, highest subtables per byte first)
+  // 4. Promote the rest.
+
+  // TODO(garretrieger): support extension demotion, then consider all lookups. Requires advanced algo.
+  // TODO(garretrieger): also support extension promotion during iterative resolution phase, then
+  //                     we can use a less conservative threshold here.
+  // TODO(grieger): skip this for the 24 bit case.
+  if (!ext_context.lookups) return true;
+
+  hb_vector_t<lookup_size_t> lookup_sizes;
+  lookup_sizes.alloc (ext_context.lookups.get_population ());
+
+  for (unsigned lookup_index : ext_context.lookups.keys ())
+  {
+    const graph::Lookup* lookup = ext_context.lookups.get(lookup_index);
     hb_set_t visited;
-    for (unsigned p : vertices_[node_idx].parents)
-    {
-      if (visited.has (p)) continue;
-      visited.add (p);
-
-      // Only real links can be wide
-      for (const auto& l : vertices_[p].obj.real_links)
-      {
-        if (l.objidx == node_idx && l.width == 4 && !l.is_signed)
-        {
-          count++;
-          parents.add (p);
-        }
-      }
-    }
-    return count;
-  }
-
-  bool check_success (bool success)
-  { return this->successful && (success || (err_other_error (), false)); }
-
-  /*
-   * Creates a map from objid to # of incoming edges.
-   */
-  void update_parents ()
-  {
-    if (!parents_invalid) return;
-
-    for (unsigned i = 0; i < vertices_.length; i++)
-      vertices_[i].parents.reset ();
-
-    for (unsigned p = 0; p < vertices_.length; p++)
-    {
-      for (auto& l : vertices_[p].obj.all_links ())
-      {
-        vertices_[l.objidx].parents.push (p);
-      }
-    }
-
-    parents_invalid = false;
-  }
-
-  /*
-   * compute the serialized start and end positions for each vertex.
-   */
-  void update_positions ()
-  {
-    if (!positions_invalid) return;
-
-    unsigned current_pos = 0;
-    for (int i = root_idx (); i >= 0; i--)
-    {
-      auto& v = vertices_[i];
-      v.start = current_pos;
-      current_pos += v.obj.tail - v.obj.head;
-      v.end = current_pos;
-    }
-
-    positions_invalid = false;
+    lookup_sizes.push (lookup_size_t {
+        lookup_index,
+        ext_context.graph.find_subgraph_size (lookup_index, visited),
+        lookup->number_of_subtables (),
+      });
   }
 
-  /*
-   * Finds the distance to each object in the graph
-   * from the initial node.
-   */
-  void update_distances ()
-  {
-    if (!distance_invalid) return;
-
-    // Uses Dijkstra's algorithm to find all of the shortest distances.
-    // https://en.wikipedia.org/wiki/Dijkstra%27s_algorithm
-    //
-    // Implementation Note:
-    // Since our priority queue doesn't support fast priority decreases
-    // we instead just add new entries into the queue when a priority changes.
-    // Redundant ones are filtered out later on by the visited set.
-    // According to https://www3.cs.stonybrook.edu/~rezaul/papers/TR-07-54.pdf
-    // for practical performance this is faster then using a more advanced queue
-    // (such as a fibonacci queue) with a fast decrease priority.
-    for (unsigned i = 0; i < vertices_.length; i++)
-    {
-      if (i == vertices_.length - 1)
-        vertices_[i].distance = 0;
-      else
-        vertices_[i].distance = hb_int_max (int64_t);
-    }
-
-    hb_priority_queue_t queue;
-    queue.insert (0, vertices_.length - 1);
-
-    hb_vector_t<bool> visited;
-    visited.resize (vertices_.length);
-
-    while (!queue.in_error () && !queue.is_empty ())
-    {
-      unsigned next_idx = queue.pop_minimum ().second;
-      if (visited[next_idx]) continue;
-      const auto& next = vertices_[next_idx];
-      int64_t next_distance = vertices_[next_idx].distance;
-      visited[next_idx] = true;
-
-      for (const auto& link : next.obj.all_links ())
-      {
-        if (visited[link.objidx]) continue;
-
-        const auto& child = vertices_[link.objidx].obj;
-        unsigned link_width = link.width ? link.width : 4; // treat virtual offsets as 32 bits wide
-        int64_t child_weight = (child.tail - child.head) +
-                               ((int64_t) 1 << (link_width * 8)) * (vertices_[link.objidx].space + 1);
-        int64_t child_distance = next_distance + child_weight;
-
-        if (child_distance < vertices_[link.objidx].distance)
-        {
-          vertices_[link.objidx].distance = child_distance;
-          queue.insert (child_distance, link.objidx);
-        }
-      }
-    }
+  lookup_sizes.qsort ();
 
-    check_success (!queue.in_error ());
-    if (!check_success (queue.is_empty ()))
-    {
-      print_orphaned_nodes ();
-      return;
-    }
+  size_t lookup_list_size = ext_context.graph.vertices_[ext_context.lookup_list_index].table_size ();
+  size_t l2_l3_size = lookup_list_size; // Lookup List + Lookups
+  size_t l3_l4_size = 0; // Lookups + SubTables
+  size_t l4_plus_size = 0; // SubTables + their descendants
 
-    distance_invalid = false;
-  }
-
-  int64_t compute_offset (
-      unsigned parent_idx,
-      const hb_serialize_context_t::object_t::link_t& link) const
+  // Start by assuming all lookups are using extension subtables, this size will be removed later
+  // if it's decided to not make a lookup extension.
+  for (auto p : lookup_sizes)
   {
-    const auto& parent = vertices_[parent_idx];
-    const auto& child = vertices_[link.objidx];
-    int64_t offset = 0;
-    switch ((hb_serialize_context_t::whence_t) link.whence) {
-      case hb_serialize_context_t::whence_t::Head:
-        offset = child.start - parent.start; break;
-      case hb_serialize_context_t::whence_t::Tail:
-        offset = child.start - parent.end; break;
-      case hb_serialize_context_t::whence_t::Absolute:
-        offset = child.start; break;
-    }
-
-    assert (offset >= link.bias);
-    offset -= link.bias;
-    return offset;
+    unsigned subtables_size = p.num_subtables * 8;
+    l3_l4_size += subtables_size;
+    l4_plus_size += subtables_size;
   }
 
-  bool is_valid_offset (int64_t offset,
-                        const hb_serialize_context_t::object_t::link_t& link) const
+  bool layers_full = false;
+  for (auto p : lookup_sizes)
   {
-    if (unlikely (!link.width))
-      // Virtual links can't overflow.
-      return link.is_signed || offset >= 0;
-
-    if (link.is_signed)
-    {
-      if (link.width == 4)
-        return offset >= -((int64_t) 1 << 31) && offset < ((int64_t) 1 << 31);
-      else
-        return offset >= -(1 << 15) && offset < (1 << 15);
-    }
-    else
-    {
-      if (link.width == 4)
-        return offset >= 0 && offset < ((int64_t) 1 << 32);
-      else if (link.width == 3)
-        return offset >= 0 && offset < ((int32_t) 1 << 24);
-      else
-        return offset >= 0 && offset < (1 << 16);
-    }
-  }
-
-  /*
-   * Updates a link in the graph to point to a different object. Corrects the
-   * parents vector on the previous and new child nodes.
-   */
-  void reassign_link (hb_serialize_context_t::object_t::link_t& link,
-                      unsigned parent_idx,
-                      unsigned new_idx)
-  {
-    unsigned old_idx = link.objidx;
-    link.objidx = new_idx;
-    vertices_[old_idx].remove_parent (parent_idx);
-    vertices_[new_idx].parents.push (parent_idx);
-  }
-
-  /*
-   * Updates all objidx's in all links using the provided mapping. Corrects incoming edge counts.
-   */
-  template<typename Iterator, hb_requires (hb_is_iterator (Iterator))>
-  void remap_obj_indices (const hb_hashmap_t<unsigned, unsigned>& id_map,
-                          Iterator subgraph,
-                          bool only_wide = false)
-  {
-    if (!id_map) return;
-    for (unsigned i : subgraph)
-    {
-      for (auto& link : vertices_[i].obj.all_links_writer ())
-      {
-        if (!id_map.has (link.objidx)) continue;
-        if (only_wide && !(link.width == 4 && !link.is_signed)) continue;
-
-        reassign_link (link, i, id_map[link.objidx]);
-      }
-    }
-  }
+    const graph::Lookup* lookup = ext_context.lookups.get(p.lookup_index);
+    if (lookup->is_extension (ext_context.table_tag))
+      // already an extension so size is counted by the loop above.
+      continue;
 
-  /*
-   * Updates all objidx's in all links using the provided mapping.
-   */
-  void remap_all_obj_indices (const hb_vector_t<unsigned>& id_map,
-                              hb_vector_t<vertex_t>* sorted_graph) const
-  {
-    for (unsigned i = 0; i < sorted_graph->length; i++)
+    if (!layers_full)
     {
-      (*sorted_graph)[i].remap_parents (id_map);
-      for (auto& link : (*sorted_graph)[i].obj.all_links_writer ())
-      {
-        link.objidx = id_map[link.objidx];
-      }
-    }
-  }
+      size_t lookup_size = ext_context.graph.vertices_[p.lookup_index].table_size ();
+      hb_set_t visited;
+      size_t subtables_size = ext_context.graph.find_subgraph_size (p.lookup_index, visited, 1) - lookup_size;
+      size_t remaining_size = p.size - subtables_size - lookup_size;
 
-  template <typename O> void
-  serialize_link_of_type (const hb_serialize_context_t::object_t::link_t& link,
-                          char* head,
-                          hb_serialize_context_t* c) const
-  {
-    OT::Offset<O>* offset = reinterpret_cast<OT::Offset<O>*> (head + link.position);
-    *offset = 0;
-    c->add_link (*offset,
-                 // serializer has an extra nil object at the start of the
-                 // object array. So all id's are +1 of what our id's are.
-                 link.objidx + 1,
-                 (hb_serialize_context_t::whence_t) link.whence,
-                 link.bias);
-  }
-
-  void serialize_link (const hb_serialize_context_t::object_t::link_t& link,
-                 char* head,
-                 hb_serialize_context_t* c) const
-  {
-    switch (link.width)
-    {
-    case 0:
-      // Virtual links aren't serialized.
-      return;
-    case 4:
-      if (link.is_signed)
-      {
-        serialize_link_of_type<OT::HBINT32> (link, head, c);
-      } else {
-        serialize_link_of_type<OT::HBUINT32> (link, head, c);
-      }
-      return;
-    case 2:
-      if (link.is_signed)
-      {
-        serialize_link_of_type<OT::HBINT16> (link, head, c);
-      } else {
-        serialize_link_of_type<OT::HBUINT16> (link, head, c);
-      }
-      return;
-    case 3:
-      serialize_link_of_type<OT::HBUINT24> (link, head, c);
-      return;
-    default:
-      // Unexpected link width.
-      assert (0);
-    }
-  }
+      l2_l3_size   += lookup_size;
+      l3_l4_size   += lookup_size + subtables_size;
+      l3_l4_size   -= p.num_subtables * 8;
+      l4_plus_size += subtables_size + remaining_size;
 
-  /*
-   * Finds all nodes in targets that are reachable from start_idx, nodes in visited will be skipped.
-   * For this search the graph is treated as being undirected.
-   *
-   * Connected targets will be added to connected and removed from targets. All visited nodes
-   * will be added to visited.
-   */
-  void find_connected_nodes (unsigned start_idx,
-                             hb_set_t& targets,
-                             hb_set_t& visited,
-                             hb_set_t& connected)
-  {
-    if (unlikely (!check_success (!visited.in_error ()))) return;
-    if (visited.has (start_idx)) return;
-    visited.add (start_idx);
+      if (l2_l3_size < (1 << 16)
+          && l3_l4_size < (1 << 16)
+          && l4_plus_size < (1 << 16)) continue; // this lookup fits within all layers groups
 
-    if (targets.has (start_idx))
-    {
-      targets.del (start_idx);
-      connected.add (start_idx);
+      layers_full = true;
     }
 
-    const auto& v = vertices_[start_idx];
-
-    // Graph is treated as undirected so search children and parents of start_idx
-    for (const auto& l : v.obj.all_links ())
-      find_connected_nodes (l.objidx, targets, visited, connected);
-
-    for (unsigned p : v.parents)
-      find_connected_nodes (p, targets, visited, connected);
+    if (!ext_context.lookups.get(p.lookup_index)->make_extension (ext_context, p.lookup_index))
+      return false;
   }
 
- public:
-  // TODO(garretrieger): make private, will need to move most of offset overflow code into graph.
-  hb_vector_t<vertex_t> vertices_;
- private:
-  bool parents_invalid;
-  bool distance_invalid;
-  bool positions_invalid;
-  bool successful;
-  hb_vector_t<unsigned> num_roots_for_space_;
-};
+  return true;
+}
 
 static inline
-bool _try_isolating_subgraphs (const hb_vector_t<graph_t::overflow_record_t>& overflows,
+bool _try_isolating_subgraphs (const hb_vector_t<graph::overflow_record_t>& overflows,
                                graph_t& sorted_graph)
 {
   unsigned space = 0;
@@ -1107,7 +187,7 @@ bool _try_isolating_subgraphs (const hb_vector_t<graph_t::overflow_record_t>& ov
 
   for (int i = overflows.length - 1; i >= 0; i--)
   {
-    const graph_t::overflow_record_t& r = overflows[i];
+    const graph::overflow_record_t& r = overflows[i];
 
     unsigned root;
     unsigned overflow_space = sorted_graph.space_for (r.parent, &root);
@@ -1129,7 +209,7 @@ bool _try_isolating_subgraphs (const hb_vector_t<graph_t::overflow_record_t>& ov
     // Only move at most half of the roots in a space at a time.
     unsigned extra = roots_to_isolate.get_population () - maximum_to_move;
     while (extra--) {
-      unsigned root = HB_SET_VALUE_INVALID;
+      uint32_t root = HB_SET_VALUE_INVALID;
       roots_to_isolate.previous (&root);
       roots_to_isolate.del (root);
     }
@@ -1149,7 +229,7 @@ bool _try_isolating_subgraphs (const hb_vector_t<graph_t::overflow_record_t>& ov
 }
 
 static inline
-bool _process_overflows (const hb_vector_t<graph_t::overflow_record_t>& overflows,
+bool _process_overflows (const hb_vector_t<graph::overflow_record_t>& overflows,
                          hb_set_t& priority_bumped_parents,
                          graph_t& sorted_graph)
 {
@@ -1158,13 +238,13 @@ bool _process_overflows (const hb_vector_t<graph_t::overflow_record_t>& overflow
   // Try resolving the furthest overflows first.
   for (int i = overflows.length - 1; i >= 0; i--)
   {
-    const graph_t::overflow_record_t& r = overflows[i];
+    const graph::overflow_record_t& r = overflows[i];
     const auto& child = sorted_graph.vertices_[r.child];
     if (child.is_shared ())
     {
       // The child object is shared, we may be able to eliminate the overflow
       // by duplicating it.
-      if (!sorted_graph.duplicate (r.parent, r.child)) continue;
+      if (sorted_graph.duplicate (r.parent, r.child) == (unsigned) -1) continue;
       return true;
     }
 
@@ -1196,57 +276,66 @@ bool _process_overflows (const hb_vector_t<graph_t::overflow_record_t>& overflow
   return resolution_attempted;
 }
 
-/*
- * Attempts to modify the topological sorting of the provided object graph to
- * eliminate offset overflows in the links between objects of the graph. If a
- * non-overflowing ordering is found the updated graph is serialized it into the
- * provided serialization context.
- *
- * If necessary the structure of the graph may be modified in ways that do not
- * affect the functionality of the graph. For example shared objects may be
- * duplicated.
- *
- * For a detailed writeup describing how the algorithm operates see:
- * docs/repacker.md
- */
-template<typename T>
-inline hb_blob_t*
-hb_resolve_overflows (const T& packed,
-                      hb_tag_t table_tag,
-                      unsigned max_rounds = 20) {
-  // Kahn sort is ~twice as fast as shortest distance sort and works for many fonts
-  // so try it first to save time.
-  graph_t sorted_graph (packed);
-  sorted_graph.sort_kahn ();
-  if (!sorted_graph.will_overflow ())
+inline bool
+hb_resolve_graph_overflows (hb_tag_t table_tag,
+                            unsigned max_rounds ,
+                            bool recalculate_extensions,
+                            graph_t& sorted_graph /* IN/OUT */)
+{
+  sorted_graph.sort_shortest_distance ();
+  if (sorted_graph.in_error ())
   {
-    return sorted_graph.serialize ();
+    DEBUG_MSG (SUBSET_REPACK, nullptr, "Sorted graph in error state after initial sort.");
+    return false;
   }
 
-  sorted_graph.sort_shortest_distance ();
+  bool will_overflow = graph::will_overflow (sorted_graph);
+  if (!will_overflow)
+    return true;
 
+  graph::gsubgpos_graph_context_t ext_context (table_tag, sorted_graph);
   if ((table_tag == HB_OT_TAG_GPOS
        ||  table_tag == HB_OT_TAG_GSUB)
-      && sorted_graph.will_overflow ())
+      && will_overflow)
   {
+    if (recalculate_extensions)
+    {
+      DEBUG_MSG (SUBSET_REPACK, nullptr, "Splitting subtables if needed.");
+      if (!_presplit_subtables_if_needed (ext_context)) {
+        DEBUG_MSG (SUBSET_REPACK, nullptr, "Subtable splitting failed.");
+        return false;
+      }
+
+      DEBUG_MSG (SUBSET_REPACK, nullptr, "Promoting lookups to extensions if needed.");
+      if (!_promote_extensions_if_needed (ext_context)) {
+        DEBUG_MSG (SUBSET_REPACK, nullptr, "Extensions promotion failed.");
+        return false;
+      }
+    }
+
     DEBUG_MSG (SUBSET_REPACK, nullptr, "Assigning spaces to 32 bit subgraphs.");
-    if (sorted_graph.assign_32bit_spaces ())
+    if (sorted_graph.assign_spaces ())
       sorted_graph.sort_shortest_distance ();
+    else
+      sorted_graph.sort_shortest_distance_if_needed ();
   }
 
   unsigned round = 0;
-  hb_vector_t<graph_t::overflow_record_t> overflows;
+  hb_vector_t<graph::overflow_record_t> overflows;
   // TODO(garretrieger): select a good limit for max rounds.
   while (!sorted_graph.in_error ()
-         && sorted_graph.will_overflow (&overflows)
-         && round++ < max_rounds) {
+         && graph::will_overflow (sorted_graph, &overflows)
+         && round < max_rounds) {
     DEBUG_MSG (SUBSET_REPACK, nullptr, "=== Overflow resolution round %d ===", round);
-    sorted_graph.print_overflows (overflows);
+    print_overflows (sorted_graph, overflows);
 
     hb_set_t priority_bumped_parents;
 
     if (!_try_isolating_subgraphs (overflows, sorted_graph))
     {
+      // Don't count space isolation towards round limit. Only increment
+      // round counter if space isolation made no changes.
+      round++;
       if (!_process_overflows (overflows, priority_bumped_parents, sorted_graph))
       {
         DEBUG_MSG (SUBSET_REPACK, nullptr, "No resolution available :(");
@@ -1260,16 +349,62 @@ hb_resolve_overflows (const T& packed,
   if (sorted_graph.in_error ())
   {
     DEBUG_MSG (SUBSET_REPACK, nullptr, "Sorted graph in error state.");
-    return nullptr;
+    return false;
   }
 
-  if (sorted_graph.will_overflow ())
+  if (graph::will_overflow (sorted_graph))
   {
     DEBUG_MSG (SUBSET_REPACK, nullptr, "Offset overflow resolution failed.");
+    return false;
+  }
+
+  return true;
+}
+
+/*
+ * Attempts to modify the topological sorting of the provided object graph to
+ * eliminate offset overflows in the links between objects of the graph. If a
+ * non-overflowing ordering is found the updated graph is serialized it into the
+ * provided serialization context.
+ *
+ * If necessary the structure of the graph may be modified in ways that do not
+ * affect the functionality of the graph. For example shared objects may be
+ * duplicated.
+ *
+ * For a detailed writeup describing how the algorithm operates see:
+ * docs/repacker.md
+ */
+template<typename T>
+inline hb_blob_t*
+hb_resolve_overflows (const T& packed,
+                      hb_tag_t table_tag,
+                      unsigned max_rounds = 20,
+                      bool recalculate_extensions = false) {
+  graph_t sorted_graph (packed);
+  if (sorted_graph.in_error ())
+  {
+    // Invalid graph definition.
     return nullptr;
   }
 
-  return sorted_graph.serialize ();
+  if (!sorted_graph.is_fully_connected ())
+  {
+    sorted_graph.print_orphaned_nodes ();
+    return nullptr;
+  }
+
+  if (sorted_graph.in_error ())
+  {
+    // Allocations failed somewhere
+    DEBUG_MSG (SUBSET_REPACK, nullptr,
+               "Graph is in error, likely due to a memory allocation error.");
+    return nullptr;
+  }
+
+  if (!hb_resolve_graph_overflows (table_tag, max_rounds, recalculate_extensions, sorted_graph))
+    return nullptr;
+
+  return graph::serialize (sorted_graph);
 }
 
 #endif /* HB_REPACKER_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh b/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh
index 65c2772201..bd3250e580 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-sanitize.hh
@@ -198,10 +198,11 @@ struct hb_sanitize_context_t :
   void start_processing ()
   {
     reset_object ();
-    if (unlikely (hb_unsigned_mul_overflows (this->end - this->start, HB_SANITIZE_MAX_OPS_FACTOR)))
+    unsigned m;
+    if (unlikely (hb_unsigned_mul_overflows (this->end - this->start, HB_SANITIZE_MAX_OPS_FACTOR, &m)))
       this->max_ops = HB_SANITIZE_MAX_OPS_MAX;
     else
-      this->max_ops = hb_clamp ((unsigned) (this->end - this->start) * HB_SANITIZE_MAX_OPS_FACTOR,
+      this->max_ops = hb_clamp (m,
 				(unsigned) HB_SANITIZE_MAX_OPS_MIN,
 				(unsigned) HB_SANITIZE_MAX_OPS_MAX);
     this->edit_count = 0;
@@ -252,8 +253,9 @@ struct hb_sanitize_context_t :
 		    unsigned int a,
 		    unsigned int b) const
   {
-    return !hb_unsigned_mul_overflows (a, b) &&
-	   this->check_range (base, a * b);
+    unsigned m;
+    return !hb_unsigned_mul_overflows (a, b, &m) &&
+	   this->check_range (base, m);
   }
 
   template <typename T>
@@ -262,8 +264,9 @@ struct hb_sanitize_context_t :
 		    unsigned int b,
 		    unsigned int c) const
   {
-    return !hb_unsigned_mul_overflows (a, b) &&
-	   this->check_range (base, a * b, c);
+    unsigned m;
+    return !hb_unsigned_mul_overflows (a, b, &m) &&
+	   this->check_range (base, m, c);
   }
 
   template <typename T>
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-serialize.hh b/src/3rdparty/harfbuzz-ng/src/hb-serialize.hh
index 40895a4548..d5573281f1 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-serialize.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-serialize.hh
@@ -74,7 +74,7 @@ struct hb_serialize_context_t
     }
 
     object_t () = default;
-    
+
 #ifdef HB_EXPERIMENTAL_API
     object_t (const hb_object_t &o)
     {
@@ -91,6 +91,15 @@ struct hb_serialize_context_t
     }
 #endif
 
+    friend void swap (object_t& a, object_t& b)
+    {
+      hb_swap (a.head, b.head);
+      hb_swap (a.tail, b.tail);
+      hb_swap (a.next, b.next);
+      hb_swap (a.real_links, b.real_links);
+      hb_swap (a.virtual_links, b.virtual_links);
+    }
+
     bool operator == (const object_t &o) const
     {
       // Virtual links aren't considered for equality since they don't affect the functionality
@@ -111,10 +120,10 @@ struct hb_serialize_context_t
     struct link_t
     {
       unsigned width: 3;
-      bool is_signed: 1;
+      unsigned is_signed: 1;
       unsigned whence: 2;
-      unsigned position: 28;
-      unsigned bias;
+      unsigned bias : 26;
+      unsigned position;
       objidx_t objidx;
 
       link_t () = default;
@@ -130,6 +139,14 @@ struct hb_serialize_context_t
         objidx = o.objidx;
       }
 #endif
+
+      HB_INTERNAL static int cmp (const void* a, const void* b)
+      {
+        int cmp = ((const link_t*)a)->position - ((const link_t*)b)->position;
+        if (cmp) return cmp;
+
+        return ((const link_t*)a)->objidx - ((const link_t*)b)->objidx;
+      }
     };
 
     char *head;
@@ -177,7 +194,6 @@ struct hb_serialize_context_t
       current = current->next;
       _->fini ();
     }
-    object_pool.fini ();
   }
 
   bool in_error () const { return bool (errors); }
@@ -207,6 +223,7 @@ struct hb_serialize_context_t
     this->errors = HB_SERIALIZE_ERROR_NONE;
     this->head = this->start;
     this->tail = this->end;
+    this->zerocopy = nullptr;
     this->debug_depth = 0;
 
     fini ();
@@ -306,10 +323,11 @@ struct hb_serialize_context_t
   {
     object_t *obj = current;
     if (unlikely (!obj)) return;
-    if (unlikely (in_error())) return;
+    if (unlikely (in_error() && !only_overflow ())) return;
 
     current = current->next;
-    revert (obj->head, obj->tail);
+    revert (zerocopy ? zerocopy : obj->head, obj->tail);
+    zerocopy = nullptr;
     obj->fini ();
     object_pool.release (obj);
   }
@@ -327,8 +345,11 @@ struct hb_serialize_context_t
     current = current->next;
     obj->tail = head;
     obj->next = nullptr;
+    assert (obj->head <= obj->tail);
     unsigned len = obj->tail - obj->head;
-    head = obj->head; /* Rewind head. */
+    head = zerocopy ? zerocopy : obj->head; /* Rewind head. */
+    bool was_zerocopy = zerocopy;
+    zerocopy = nullptr;
 
     if (!len)
     {
@@ -338,9 +359,11 @@ struct hb_serialize_context_t
     }
 
     objidx_t objidx;
+    uint32_t hash = 0;
     if (share)
     {
-      objidx = packed_map.get (obj);
+      hash = hb_hash (obj);
+      objidx = packed_map.get_with_hash (obj, hash);
       if (objidx)
       {
         merge_virtual_links (obj, objidx);
@@ -350,7 +373,10 @@ struct hb_serialize_context_t
     }
 
     tail -= len;
-    memmove (tail, obj->head, len);
+    if (was_zerocopy)
+      assert (tail == obj->head);
+    else
+      memmove (tail, obj->head, len);
 
     obj->head = tail;
     obj->tail = tail + len;
@@ -368,7 +394,7 @@ struct hb_serialize_context_t
 
     objidx = packed.length - 1;
 
-    if (share) packed_map.set (obj, objidx);
+    if (share) packed_map.set_with_hash (obj, hash, objidx);
     propagate_error (packed_map);
 
     return objidx;
@@ -552,8 +578,26 @@ struct hb_serialize_context_t
     return !bool ((errors = (errors | err_type)));
   }
 
+  bool start_zerocopy (size_t size)
+  {
+    if (unlikely (in_error ())) return false;
+
+    if (unlikely (size > INT_MAX || this->tail - this->head < ptrdiff_t (size)))
+    {
+      err (HB_SERIALIZE_ERROR_OUT_OF_ROOM);
+      return false;
+    }
+
+    assert (!this->zerocopy);
+    this->zerocopy = this->head;
+
+    assert (this->current->head == this->head);
+    this->current->head = this->current->tail = this->head = this->tail - size;
+    return true;
+  }
+
   template <typename Type>
-  Type *allocate_size (size_t size)
+  Type *allocate_size (size_t size, bool clear = true)
   {
     if (unlikely (in_error ())) return nullptr;
 
@@ -562,7 +606,8 @@ struct hb_serialize_context_t
       err (HB_SERIALIZE_ERROR_OUT_OF_ROOM);
       return nullptr;
     }
-    hb_memset (this->head, 0, size);
+    if (clear)
+      hb_memset (this->head, 0, size);
     char *ret = this->head;
     this->head += size;
     return reinterpret_cast<Type *> (ret);
@@ -576,9 +621,9 @@ struct hb_serialize_context_t
   Type *embed (const Type *obj)
   {
     unsigned int size = obj->get_size ();
-    Type *ret = this->allocate_size<Type> (size);
+    Type *ret = this->allocate_size<Type> (size, false);
     if (unlikely (!ret)) return nullptr;
-    memcpy (ret, obj, size);
+    hb_memcpy (ret, obj, size);
     return ret;
   }
   template <typename Type>
@@ -599,7 +644,7 @@ struct hb_serialize_context_t
   }
 
   /* Like embed, but active: calls obj.operator=() or obj.copy() to transfer data
-   * instead of memcpy(). */
+   * instead of hb_memcpy(). */
   template <typename Type, typename ...Ts>
   Type *copy (const Type &src, Ts&&... ds)
   { return _copy (src, hb_prioritize, std::forward<Ts> (ds)...); }
@@ -617,7 +662,7 @@ struct hb_serialize_context_t
   hb_serialize_context_t& operator << (const Type &obj) & { embed (obj); return *this; }
 
   template <typename Type>
-  Type *extend_size (Type *obj, size_t size)
+  Type *extend_size (Type *obj, size_t size, bool clear = true)
   {
     if (unlikely (in_error ())) return nullptr;
 
@@ -625,12 +670,12 @@ struct hb_serialize_context_t
     assert ((char *) obj <= this->head);
     assert ((size_t) (this->head - (char *) obj) <= size);
     if (unlikely (((char *) obj + size < (char *) obj) ||
-		  !this->allocate_size<Type> (((char *) obj) + size - this->head))) return nullptr;
+		  !this->allocate_size<Type> (((char *) obj) + size - this->head, clear))) return nullptr;
     return reinterpret_cast<Type *> (obj);
   }
   template <typename Type>
-  Type *extend_size (Type &obj, size_t size)
-  { return extend_size (std::addressof (obj), size); }
+  Type *extend_size (Type &obj, size_t size, bool clear = true)
+  { return extend_size (std::addressof (obj), size, clear); }
 
   template <typename Type>
   Type *extend_min (Type *obj) { return extend_size (obj, obj->min_size); }
@@ -659,8 +704,8 @@ struct hb_serialize_context_t
     char *p = (char *) hb_malloc (len);
     if (unlikely (!p)) return hb_bytes_t ();
 
-    memcpy (p, this->start, this->head - this->start);
-    memcpy (p + (this->head - this->start), this->tail, this->end - this->tail);
+    hb_memcpy (p, this->start, this->head - this->start);
+    hb_memcpy (p + (this->head - this->start), this->tail, this->end - this->tail);
     return hb_bytes_t (p, len);
   }
   template <typename Type>
@@ -686,8 +731,8 @@ struct hb_serialize_context_t
     check_assign (off, offset, HB_SERIALIZE_ERROR_OFFSET_OVERFLOW);
   }
 
-  public: /* TODO Make private. */
-  char *start, *head, *tail, *end;
+  public:
+  char *start, *head, *tail, *end, *zerocopy;
   unsigned int debug_depth;
   hb_serialize_error_t errors;
 
@@ -710,9 +755,7 @@ struct hb_serialize_context_t
   hb_vector_t<object_t *> packed;
 
   /* Map view of packed objects. */
-  hb_hashmap_t<const object_t *, objidx_t,
-	       const object_t *, objidx_t,
-	       nullptr, 0> packed_map;
+  hb_hashmap_t<const object_t *, objidx_t> packed_map;
 };
 
 #endif /* HB_SERIALIZE_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-set-digest.hh b/src/3rdparty/harfbuzz-ng/src/hb-set-digest.hh
index 7d4979b73b..e8409111f2 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-set-digest.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-set-digest.hh
@@ -28,9 +28,10 @@
 #define HB_SET_DIGEST_HH
 
 #include "hb.hh"
+#include "hb-machinery.hh"
 
 /*
- * The set digests here implement various "filters" that support
+ * The set-digests here implement various "filters" that support
  * "approximate member query".  Conceptually these are like Bloom
  * Filter and Quotient Filter, however, much smaller, faster, and
  * designed to fit the requirements of our uses for glyph coverage
@@ -40,13 +41,25 @@
  * set of glyphs, but fully flooded and ineffective if coverage is
  * all over the place.
  *
- * The frozen-set can be used instead of a digest, to trade more
- * memory for 100% accuracy, but in practice, that doesn't look like
- * an attractive trade-off.
+ * The way these are used is that the filter is first populated by
+ * a lookup's or subtable's Coverage table(s), and then when we
+ * want to apply the lookup or subtable to a glyph, before trying
+ * to apply, we ask the filter if the glyph may be covered. If it's
+ * not, we return early.
+ *
+ * We use these filters both at the lookup-level, and then again,
+ * at the subtable-level. Both have performance win.
+ *
+ * The main filter we use is a combination of three bits-pattern
+ * filters. A bits-pattern filter checks a number of bits (5 or 6)
+ * of the input number (glyph-id in this case) and checks whether
+ * its pattern is amongst the patterns of any of the accepted values.
+ * The accepted patterns are represented as a "long" integer. The
+ * check is done using four bitwise operations only.
  */
 
 template <typename mask_t, unsigned int shift>
-struct hb_set_digest_lowest_bits_t
+struct hb_set_digest_bits_pattern_t
 {
   static constexpr unsigned mask_bytes = sizeof (mask_t);
   static constexpr unsigned mask_bits = sizeof (mask_t) * 8;
@@ -63,6 +76,8 @@ struct hb_set_digest_lowest_bits_t
 
   void init () { mask = 0; }
 
+  void add (const hb_set_digest_bits_pattern_t &o) { mask |= o.mask; }
+
   void add (hb_codepoint_t g) { mask |= mask_for (g); }
 
   bool add_range (hb_codepoint_t a, hb_codepoint_t b)
@@ -83,7 +98,7 @@ struct hb_set_digest_lowest_bits_t
     for (unsigned int i = 0; i < count; i++)
     {
       add (*array);
-      array = (const T *) (stride + (const char *) array);
+      array = &StructAtOffsetUnaligned<T> ((const void *) array, stride);
     }
   }
   template <typename T>
@@ -91,18 +106,17 @@ struct hb_set_digest_lowest_bits_t
   template <typename T>
   bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    for (unsigned int i = 0; i < count; i++)
-    {
-      add (*array);
-      array = (const T *) (stride + (const char *) array);
-    }
+    add_array (array, count, stride);
     return true;
   }
   template <typename T>
   bool add_sorted_array (const hb_sorted_array_t<const T>& arr) { return add_sorted_array (&arr, arr.len ()); }
 
+  bool may_have (const hb_set_digest_bits_pattern_t &o) const
+  { return mask & o.mask; }
+
   bool may_have (hb_codepoint_t g) const
-  { return !!(mask & mask_for (g)); }
+  { return mask & mask_for (g); }
 
   private:
 
@@ -120,6 +134,12 @@ struct hb_set_digest_combiner_t
     tail.init ();
   }
 
+  void add (const hb_set_digest_combiner_t &o)
+  {
+    head.add (o.head);
+    tail.add (o.tail);
+  }
+
   void add (hb_codepoint_t g)
   {
     head.add (g);
@@ -128,9 +148,8 @@ struct hb_set_digest_combiner_t
 
   bool add_range (hb_codepoint_t a, hb_codepoint_t b)
   {
-    head.add_range (a, b);
-    tail.add_range (a, b);
-    return true;
+    return head.add_range (a, b) &&
+	   tail.add_range (a, b);
   }
   template <typename T>
   void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
@@ -143,13 +162,17 @@ struct hb_set_digest_combiner_t
   template <typename T>
   bool add_sorted_array (const T *array, unsigned int count, unsigned int stride=sizeof(T))
   {
-    head.add_sorted_array (array, count, stride);
-    tail.add_sorted_array (array, count, stride);
-    return true;
+    return head.add_sorted_array (array, count, stride) &&
+	   tail.add_sorted_array (array, count, stride);
   }
   template <typename T>
   bool add_sorted_array (const hb_sorted_array_t<const T>& arr) { return add_sorted_array (&arr, arr.len ()); }
 
+  bool may_have (const hb_set_digest_combiner_t &o) const
+  {
+    return head.may_have (o.head) && tail.may_have (o.tail);
+  }
+
   bool may_have (hb_codepoint_t g) const
   {
     return head.may_have (g) && tail.may_have (g);
@@ -171,11 +194,11 @@ struct hb_set_digest_combiner_t
 using hb_set_digest_t =
   hb_set_digest_combiner_t
   <
-    hb_set_digest_lowest_bits_t<unsigned long, 4>,
+    hb_set_digest_bits_pattern_t<unsigned long, 4>,
     hb_set_digest_combiner_t
     <
-      hb_set_digest_lowest_bits_t<unsigned long, 0>,
-      hb_set_digest_lowest_bits_t<unsigned long, 9>
+      hb_set_digest_bits_pattern_t<unsigned long, 0>,
+      hb_set_digest_bits_pattern_t<unsigned long, 9>
     >
   >
 ;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-set.cc b/src/3rdparty/harfbuzz-ng/src/hb-set.cc
index 0e2c1f77ef..0270b21998 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-set.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-set.cc
@@ -40,7 +40,7 @@
 
 
 /**
- * hb_set_create: (Xconstructor)
+ * hb_set_create:
  *
  * Creates a new, initially empty set.
  *
@@ -56,8 +56,6 @@ hb_set_create ()
   if (!(set = hb_object_create<hb_set_t> ()))
     return hb_set_get_empty ();
 
-  set->init_shallow ();
-
   return set;
 }
 
@@ -107,8 +105,6 @@ hb_set_destroy (hb_set_t *set)
 {
   if (!hb_object_destroy (set)) return;
 
-  set->fini_shallow ();
-
   hb_free (set);
 }
 
@@ -122,7 +118,7 @@ hb_set_destroy (hb_set_t *set)
  *
  * Attaches a user-data key/data pair to the specified set.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -149,7 +145,7 @@ hb_set_set_user_data (hb_set_t           *set,
  * Since: 0.9.2
  **/
 void *
-hb_set_get_user_data (hb_set_t           *set,
+hb_set_get_user_data (const hb_set_t     *set,
 		      hb_user_data_key_t *key)
 {
   return hb_object_get_user_data (set, key);
@@ -162,7 +158,7 @@ hb_set_get_user_data (hb_set_t           *set,
  *
  * Tests whether memory allocation for a set was successful.
  *
- * Return value: %true if allocation succeeded, %false otherwise
+ * Return value: `true` if allocation succeeded, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -186,6 +182,7 @@ hb_set_t *
 hb_set_copy (const hb_set_t *set)
 {
   hb_set_t *copy = hb_set_create ();
+  if (unlikely (!copy)) return nullptr;
   copy->set (*set);
   return copy;
 }
@@ -211,7 +208,7 @@ hb_set_clear (hb_set_t *set)
  *
  * Tests whether a set is empty (contains no elements).
  *
- * Return value: %true if @set is empty
+ * Return value: `true` if @set is empty
  *
  * Since: 0.9.7
  **/
@@ -228,7 +225,7 @@ hb_set_is_empty (const hb_set_t *set)
  *
  * Tests whether @codepoint belongs to @set.
  *
- * Return value: %true if @codepoint is in @set, %false otherwise
+ * Return value: `true` if @codepoint is in @set, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -347,7 +344,7 @@ hb_set_del_range (hb_set_t       *set,
  * Tests whether @set and @other are equal (contain the same
  * elements).
  *
- * Return value: %true if the two sets are equal, %false otherwise.
+ * Return value: `true` if the two sets are equal, `false` otherwise.
  *
  * Since: 0.9.7
  **/
@@ -359,13 +356,30 @@ hb_set_is_equal (const hb_set_t *set,
 }
 
 /**
+ * hb_set_hash:
+ * @set: A set
+ *
+ * Creates a hash representing @set.
+ *
+ * Return value:
+ * A hash of @set.
+ *
+ * Since: 4.4.0
+ **/
+HB_EXTERN unsigned int
+hb_set_hash (const hb_set_t *set)
+{
+  return set->hash ();
+}
+
+/**
  * hb_set_is_subset:
  * @set: A set
  * @larger_set: Another set
  *
  * Tests whether @set is a subset of @larger_set.
  *
- * Return value: %true if the @set is a subset of (or equal to) @larger_set, %false otherwise.
+ * Return value: `true` if the @set is a subset of (or equal to) @larger_set, `false` otherwise.
  *
  * Since: 1.8.1
  **/
@@ -535,7 +549,7 @@ hb_set_get_max (const hb_set_t *set)
  *
  * Set @codepoint to #HB_SET_VALUE_INVALID to get started.
  *
- * Return value: %true if there was a next value, %false otherwise
+ * Return value: `true` if there was a next value, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -556,7 +570,7 @@ hb_set_next (const hb_set_t *set,
  *
  * Set @codepoint to #HB_SET_VALUE_INVALID to get started.
  *
- * Return value: %true if there was a previous value, %false otherwise
+ * Return value: `true` if there was a previous value, `false` otherwise
  *
  * Since: 1.8.0
  **/
@@ -579,7 +593,7 @@ hb_set_previous (const hb_set_t *set,
  *
  * Set @last to #HB_SET_VALUE_INVALID to get started.
  *
- * Return value: %true if there was a next range, %false otherwise
+ * Return value: `true` if there was a next range, `false` otherwise
  *
  * Since: 0.9.7
  **/
@@ -603,7 +617,7 @@ hb_set_next_range (const hb_set_t *set,
  *
  * Set @first to #HB_SET_VALUE_INVALID to get started.
  *
- * Return value: %true if there was a previous range, %false otherwise
+ * Return value: `true` if there was a previous range, `false` otherwise
  *
  * Since: 1.8.0
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-set.h b/src/3rdparty/harfbuzz-ng/src/hb-set.h
index 10ce7c10d4..93636ab5d7 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-set.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-set.h
@@ -77,7 +77,7 @@ hb_set_set_user_data (hb_set_t           *set,
 		      hb_bool_t           replace);
 
 HB_EXTERN void *
-hb_set_get_user_data (hb_set_t           *set,
+hb_set_get_user_data (const hb_set_t     *set,
 		      hb_user_data_key_t *key);
 
 
@@ -128,6 +128,9 @@ HB_EXTERN hb_bool_t
 hb_set_is_equal (const hb_set_t *set,
 		 const hb_set_t *other);
 
+HB_EXTERN unsigned int
+hb_set_hash (const hb_set_t *set);
+
 HB_EXTERN hb_bool_t
 hb_set_is_subset (const hb_set_t *set,
 		  const hb_set_t *larger_set);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-set.hh b/src/3rdparty/harfbuzz-ng/src/hb-set.hh
index 1f05407869..f958a081fb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-set.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-set.hh
@@ -43,8 +43,8 @@ struct hb_sparseset_t
 
   hb_sparseset_t (const hb_sparseset_t& other) : hb_sparseset_t () { set (other); }
   hb_sparseset_t (hb_sparseset_t&& other) : hb_sparseset_t () { s = std::move (other.s); }
-  hb_sparseset_t& operator= (const hb_sparseset_t& other) { set (other); return *this; }
-  hb_sparseset_t& operator= (hb_sparseset_t&& other) { hb_swap (*this, other); return *this; }
+  hb_sparseset_t& operator = (const hb_sparseset_t& other) { set (other); return *this; }
+  hb_sparseset_t& operator = (hb_sparseset_t&& other) { s = std::move (other.s); return *this; }
   friend void swap (hb_sparseset_t& a, hb_sparseset_t& b) { hb_swap (a.s, b.s); }
 
   hb_sparseset_t (std::initializer_list<hb_codepoint_t> lst) : hb_sparseset_t ()
@@ -53,23 +53,21 @@ struct hb_sparseset_t
       add (item);
   }
   template <typename Iterable,
-	    hb_requires (hb_is_iterable (Iterable))>
+           hb_requires (hb_is_iterable (Iterable))>
   hb_sparseset_t (const Iterable &o) : hb_sparseset_t ()
   {
     hb_copy (o, *this);
   }
 
-  void init_shallow () { s.init (); }
   void init ()
   {
     hb_object_init (this);
-    init_shallow ();
+    s.init ();
   }
-  void fini_shallow () { s.fini (); }
   void fini ()
   {
     hb_object_fini (this);
-    fini_shallow ();
+    s.fini ();
   }
 
   explicit operator bool () const { return !is_empty (); }
@@ -77,10 +75,12 @@ struct hb_sparseset_t
   void err () { s.err (); }
   bool in_error () const { return s.in_error (); }
 
+  void alloc (unsigned sz) { s.alloc (sz); }
   void reset () { s.reset (); }
   void clear () { s.clear (); }
   void invert () { s.invert (); }
   bool is_empty () const { return s.is_empty (); }
+  uint32_t hash () const { return s.hash (); }
 
   void add (hb_codepoint_t g) { s.add (g); }
   bool add_range (hb_codepoint_t a, hb_codepoint_t b) { return s.add_range (a, b); }
@@ -105,10 +105,8 @@ struct hb_sparseset_t
   bool get (hb_codepoint_t g) const { return s.get (g); }
 
   /* Has interface. */
-  static constexpr bool SENTINEL = false;
-  typedef bool value_t;
-  value_t operator [] (hb_codepoint_t k) const { return get (k); }
-  bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }
+  bool operator [] (hb_codepoint_t k) const { return get (k); }
+  bool has (hb_codepoint_t k) const { return (*this)[k]; }
 
   /* Predicate. */
   bool operator () (hb_codepoint_t k) const { return has (k); }
@@ -125,6 +123,8 @@ struct hb_sparseset_t
   void set (const hb_sparseset_t &other) { s.set (other.s); }
 
   bool is_equal (const hb_sparseset_t &other) const { return s.is_equal (other.s); }
+  bool operator == (const hb_set_t &other) const { return is_equal (other); }
+  bool operator != (const hb_set_t &other) const { return !is_equal (other); }
 
   bool is_subset (const hb_sparseset_t &larger_set) const { return s.is_subset (larger_set.s); }
 
@@ -158,15 +158,18 @@ struct hb_sparseset_t
 
 struct hb_set_t : hb_sparseset_t<hb_bit_set_invertible_t>
 {
-  hb_set_t () = default;
+  using sparseset = hb_sparseset_t<hb_bit_set_invertible_t>;
+
   ~hb_set_t () = default;
-  hb_set_t (hb_set_t&) = default;
-  hb_set_t& operator= (const hb_set_t&) = default;
-  hb_set_t& operator= (hb_set_t&&) = default;
-  hb_set_t (std::initializer_list<hb_codepoint_t> lst) : hb_sparseset_t<hb_bit_set_invertible_t> (lst) {}
+  hb_set_t () : sparseset () {};
+  hb_set_t (const hb_set_t &o) : sparseset ((sparseset &) o) {};
+  hb_set_t (hb_set_t&& o) : sparseset (std::move ((sparseset &) o)) {}
+  hb_set_t& operator = (const hb_set_t&) = default;
+  hb_set_t& operator = (hb_set_t&&) = default;
+  hb_set_t (std::initializer_list<hb_codepoint_t> lst) : sparseset (lst) {}
   template <typename Iterable,
 	    hb_requires (hb_is_iterable (Iterable))>
-  hb_set_t (const Iterable &o) : hb_sparseset_t<hb_bit_set_invertible_t> (o) {}
+  hb_set_t (const Iterable &o) : sparseset (o) {}
 };
 
 static_assert (hb_set_t::INVALID == HB_SET_VALUE_INVALID, "");
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.cc b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.cc
index 66332165c3..cabcbd4e72 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.cc
@@ -31,6 +31,8 @@
 #include "hb-buffer.hh"
 
 
+#ifndef HB_NO_SHAPER
+
 /**
  * SECTION:hb-shape-plan
  * @title: hb-shape-plan
@@ -74,7 +76,7 @@ hb_shape_plan_key_t::init (bool                           copy,
   this->user_features = copy ? features : user_features;
   if (copy && num_user_features)
   {
-    memcpy (features, user_features, num_user_features * sizeof (hb_feature_t));
+    hb_memcpy (features, user_features, num_user_features * sizeof (hb_feature_t));
     /* Make start/end uniform to easier catch bugs. */
     for (unsigned int i = 0; i < num_user_features; i++)
     {
@@ -117,7 +119,7 @@ hb_shape_plan_key_t::init (bool                           copy,
   }
   else
   {
-    const hb_shaper_entry_t *shapers = _hb_shapers_get ();
+    const HB_UNUSED hb_shaper_entry_t *shapers = _hb_shapers_get ();
     for (unsigned int i = 0; i < HB_SHAPERS_COUNT; i++)
       if (false)
 	;
@@ -170,7 +172,7 @@ hb_shape_plan_key_t::equal (const hb_shape_plan_key_t *other)
 
 
 /**
- * hb_shape_plan_create: (Xconstructor)
+ * hb_shape_plan_create:
  * @face: #hb_face_t to use
  * @props: The #hb_segment_properties_t of the segment
  * @user_features: (array length=num_user_features): The list of user-selected features
@@ -198,7 +200,7 @@ hb_shape_plan_create (hb_face_t                     *face,
 }
 
 /**
- * hb_shape_plan_create2: (Xconstructor)
+ * hb_shape_plan_create2:
  * @face: #hb_face_t to use
  * @props: The #hb_segment_properties_t of the segment
  * @user_features: (array length=num_user_features): The list of user-selected features
@@ -231,7 +233,8 @@ hb_shape_plan_create2 (hb_face_t                     *face,
 		  num_coords,
 		  shaper_list);
 
-  assert (props->direction != HB_DIRECTION_INVALID);
+  if (unlikely (props->direction == HB_DIRECTION_INVALID))
+    return hb_shape_plan_get_empty ();
 
   hb_shape_plan_t *shape_plan;
 
@@ -317,10 +320,6 @@ hb_shape_plan_destroy (hb_shape_plan_t *shape_plan)
 {
   if (!hb_object_destroy (shape_plan)) return;
 
-#ifndef HB_NO_OT_SHAPE
-  shape_plan->ot.fini ();
-#endif
-  shape_plan->key.fini ();
   hb_free (shape_plan);
 }
 
@@ -334,7 +333,7 @@ hb_shape_plan_destroy (hb_shape_plan_t *shape_plan)
  *
  * Attaches a user-data key/data pair to the given shaping plan. 
  *
- * Return value: %true if success, %false otherwise.
+ * Return value: `true` if success, `false` otherwise.
  *
  * Since: 0.9.7
  **/
@@ -361,8 +360,8 @@ hb_shape_plan_set_user_data (hb_shape_plan_t    *shape_plan,
  * Since: 0.9.7
  **/
 void *
-hb_shape_plan_get_user_data (hb_shape_plan_t    *shape_plan,
-			     hb_user_data_key_t *key)
+hb_shape_plan_get_user_data (const hb_shape_plan_t *shape_plan,
+			     hb_user_data_key_t    *key)
 {
   return hb_object_get_user_data (shape_plan, key);
 }
@@ -439,7 +438,7 @@ _hb_shape_plan_execute_internal (hb_shape_plan_t    *shape_plan,
  * Executes the given shaping plan on the specified buffer, using
  * the given @font and @features.
  *
- * Return value: %true if success, %false otherwise.
+ * Return value: `true` if success, `false` otherwise.
  *
  * Since: 0.9.7
  **/
@@ -577,3 +576,6 @@ retry:
 
   return hb_shape_plan_reference (shape_plan);
 }
+
+
+#endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.h b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.h
index fc7c041899..aaf5cf9c45 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.h
@@ -102,8 +102,8 @@ hb_shape_plan_set_user_data (hb_shape_plan_t    *shape_plan,
 			     hb_bool_t           replace);
 
 HB_EXTERN void *
-hb_shape_plan_get_user_data (hb_shape_plan_t    *shape_plan,
-			     hb_user_data_key_t *key);
+hb_shape_plan_get_user_data (const hb_shape_plan_t *shape_plan,
+			     hb_user_data_key_t    *key);
 
 
 HB_EXTERN hb_bool_t
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.hh b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.hh
index 8cb4ddb927..6fc73939b3 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shape-plan.hh
@@ -55,7 +55,7 @@ struct hb_shape_plan_key_t
 			 unsigned int                   num_coords,
 			 const char * const            *shaper_list);
 
-  HB_INTERNAL void fini () { hb_free ((void *) user_features); }
+  HB_INTERNAL void fini () { hb_free ((void *) user_features); user_features = nullptr; }
 
   HB_INTERNAL bool user_features_match (const hb_shape_plan_key_t *other);
 
@@ -64,6 +64,7 @@ struct hb_shape_plan_key_t
 
 struct hb_shape_plan_t
 {
+  ~hb_shape_plan_t () { key.fini (); }
   hb_object_header_t header;
   hb_face_t *face_unsafe; /* We don't carry a reference to face. */
   hb_shape_plan_key_t key;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shape.cc b/src/3rdparty/harfbuzz-ng/src/hb-shape.cc
index 3407e1af42..7b5bf2c5ef 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-shape.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shape.cc
@@ -35,6 +35,8 @@
 #include "hb-machinery.hh"
 
 
+#ifndef HB_NO_SHAPER
+
 /**
  * SECTION:hb-shape
  * @title: hb-shape
@@ -50,7 +52,7 @@
 
 static inline void free_static_shaper_list ();
 
-static const char *nil_shaper_list[] = {nullptr};
+static const char * const nil_shaper_list[] = {nullptr};
 
 static struct hb_shaper_list_lazy_loader_t : hb_lazy_loader_t<const char *,
 							      hb_shaper_list_lazy_loader_t>
@@ -73,7 +75,7 @@ static struct hb_shaper_list_lazy_loader_t : hb_lazy_loader_t<const char *,
   }
   static void destroy (const char **l)
   { hb_free (l); }
-  static const char ** get_null ()
+  static const char * const * get_null ()
   { return nil_shaper_list; }
 } static_shaper_list;
 
@@ -106,12 +108,12 @@ hb_shape_list_shapers ()
  * @font: an #hb_font_t to use for shaping
  * @buffer: an #hb_buffer_t to shape
  * @features: (array length=num_features) (nullable): an array of user
- *    specified #hb_feature_t or %NULL
+ *    specified #hb_feature_t or `NULL`
  * @num_features: the length of @features array
- * @shaper_list: (array zero-terminated=1) (nullable): a %NULL-terminated
- *    array of shapers to use or %NULL
+ * @shaper_list: (array zero-terminated=1) (nullable): a `NULL`-terminated
+ *    array of shapers to use or `NULL`
  *
- * See hb_shape() for details. If @shaper_list is not %NULL, the specified
+ * See hb_shape() for details. If @shaper_list is not `NULL`, the specified
  * shapers will be used in the given order, otherwise the default shapers list
  * will be used.
  *
@@ -126,6 +128,11 @@ hb_shape_full (hb_font_t          *font,
 	       unsigned int        num_features,
 	       const char * const *shaper_list)
 {
+  if (unlikely (!buffer->len))
+    return true;
+
+  buffer->enter ();
+
   hb_buffer_t *text_buffer = nullptr;
   if (buffer->flags & HB_BUFFER_FLAG_VERIFY)
   {
@@ -137,12 +144,19 @@ hb_shape_full (hb_font_t          *font,
 							      features, num_features,
 							      font->coords, font->num_coords,
 							      shaper_list);
+
   hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features);
+
+  if (buffer->max_ops <= 0)
+    buffer->shaping_failed = true;
+
   hb_shape_plan_destroy (shape_plan);
 
   if (text_buffer)
   {
-    if (res && !buffer->verify (text_buffer,
+    if (res && buffer->successful && !buffer->shaping_failed
+	    && text_buffer->successful
+	    && !buffer->verify (text_buffer,
 				font,
 				features,
 				num_features,
@@ -151,6 +165,8 @@ hb_shape_full (hb_font_t          *font,
     hb_buffer_destroy (text_buffer);
   }
 
+  buffer->leave ();
+
   return res;
 }
 
@@ -159,11 +175,11 @@ hb_shape_full (hb_font_t          *font,
  * @font: an #hb_font_t to use for shaping
  * @buffer: an #hb_buffer_t to shape
  * @features: (array length=num_features) (nullable): an array of user
- *    specified #hb_feature_t or %NULL
+ *    specified #hb_feature_t or `NULL`
  * @num_features: the length of @features array
  *
  * Shapes @buffer using @font turning its Unicode characters content to
- * positioned glyphs. If @features is not %NULL, it will be used to control the
+ * positioned glyphs. If @features is not `NULL`, it will be used to control the
  * features applied during shaping. If two @features have the same tag but
  * overlapping ranges the value of the feature with the higher index takes
  * precedence.
@@ -178,3 +194,6 @@ hb_shape (hb_font_t           *font,
 {
   hb_shape_full (font, buffer, features, num_features, nullptr);
 }
+
+
+#endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-shaper.cc b/src/3rdparty/harfbuzz-ng/src/hb-shaper.cc
index a11ed83afd..c4885cda94 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-shaper.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-shaper.cc
@@ -29,18 +29,18 @@
 #include "hb-machinery.hh"
 
 
-static const hb_shaper_entry_t all_shapers[] = {
+static const hb_shaper_entry_t _hb_all_shapers[] = {
 #define HB_SHAPER_IMPLEMENT(name) {#name, _hb_##name##_shape},
 #include "hb-shaper-list.hh"
 #undef HB_SHAPER_IMPLEMENT
 };
 #ifndef HB_NO_SHAPER
-static_assert (0 != ARRAY_LENGTH_CONST (all_shapers), "No shaper enabled.");
+static_assert (0 != ARRAY_LENGTH_CONST (_hb_all_shapers), "No shaper enabled.");
 #endif
 
 static inline void free_static_shapers ();
 
-static struct hb_shapers_lazy_loader_t : hb_lazy_loader_t<const hb_shaper_entry_t,
+static struct hb_shapers_lazy_loader_t : hb_lazy_loader_t<hb_shaper_entry_t,
 							  hb_shapers_lazy_loader_t>
 {
   static hb_shaper_entry_t *create ()
@@ -49,11 +49,11 @@ static struct hb_shapers_lazy_loader_t : hb_lazy_loader_t<const hb_shaper_entry_
     if (!env || !*env)
       return nullptr;
 
-    hb_shaper_entry_t *shapers = (hb_shaper_entry_t *) hb_calloc (1, sizeof (all_shapers));
+    hb_shaper_entry_t *shapers = (hb_shaper_entry_t *) hb_calloc (1, sizeof (_hb_all_shapers));
     if (unlikely (!shapers))
       return nullptr;
 
-    memcpy (shapers, all_shapers, sizeof (all_shapers));
+    hb_memcpy (shapers, _hb_all_shapers, sizeof (_hb_all_shapers));
 
      /* Reorder shaper list to prefer requested shapers. */
     unsigned int i = 0;
@@ -64,7 +64,7 @@ static struct hb_shapers_lazy_loader_t : hb_lazy_loader_t<const hb_shaper_entry_
       if (!end)
 	end = p + strlen (p);
 
-      for (unsigned int j = i; j < ARRAY_LENGTH (all_shapers); j++)
+      for (unsigned int j = i; j < ARRAY_LENGTH_CONST (_hb_all_shapers); j++)
 	if (end - p == (int) strlen (shapers[j].name) &&
 	    0 == strncmp (shapers[j].name, p, end - p))
 	{
@@ -85,8 +85,8 @@ static struct hb_shapers_lazy_loader_t : hb_lazy_loader_t<const hb_shaper_entry_
 
     return shapers;
   }
-  static void destroy (const hb_shaper_entry_t *p) { hb_free ((void *) p); }
-  static const hb_shaper_entry_t *get_null ()      { return all_shapers; }
+  static void destroy (hb_shaper_entry_t *p) { hb_free (p); }
+  static const hb_shaper_entry_t *get_null ()      { return _hb_all_shapers; }
 } static_shapers;
 
 static inline
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-static.cc b/src/3rdparty/harfbuzz-ng/src/hb-static.cc
index 7cc51be611..eac50754c2 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-static.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-static.cc
@@ -33,6 +33,7 @@
 #include "hb-aat-layout-feat-table.hh"
 #include "hb-ot-layout-common.hh"
 #include "hb-ot-cmap-table.hh"
+#include "hb-ot-color-colr-table.hh"
 #include "hb-ot-glyf-table.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
@@ -46,17 +47,20 @@ uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof
 DEFINE_NULL_NAMESPACE_BYTES (OT, Index) =  {0xFF,0xFF};
 DEFINE_NULL_NAMESPACE_BYTES (OT, VarIdx) =  {0xFF,0xFF,0xFF,0xFF};
 DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0x00,0x00, 0xFF,0xFF, 0x00,0x00};
-DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x00,0x01, 0x00,0x00, 0x00, 0x00};
+DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x01};
+DEFINE_NULL_NAMESPACE_BYTES (OT, ClipRecord) = {0x01};
 DEFINE_NULL_NAMESPACE_BYTES (OT, CmapSubtableLongGroup) = {0x00,0x00,0x00,0x01, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00};
 DEFINE_NULL_NAMESPACE_BYTES (AAT, SettingName) = {0xFF,0xFF, 0xFF,0xFF};
-/* Hand-coded because Lookup is a template.  Sad. */
-const unsigned char _hb_Null_AAT_Lookup[2] = {0xFF, 0xFF};
+DEFINE_NULL_NAMESPACE_BYTES (AAT, Lookup) = {0xFF,0xFF};
 
 
+/* hb_map_t */
+
+const hb_codepoint_t minus_1 = -1;
 
 /* hb_face_t */
 
-#ifndef HB_NO_BORING_EXPANSION
+#ifndef HB_NO_BEYOND_64K
 static inline unsigned
 load_num_glyphs_from_loca (const hb_face_t *face)
 {
@@ -86,13 +90,13 @@ hb_face_t::load_num_glyphs () const
 {
   unsigned ret = 0;
 
-#ifndef HB_NO_BORING_EXPANSION
+#ifndef HB_NO_BEYOND_64K
   ret = hb_max (ret, load_num_glyphs_from_loca (this));
 #endif
 
   ret = hb_max (ret, load_num_glyphs_from_maxp (this));
 
-  num_glyphs.set_relaxed (ret);
+  num_glyphs = ret;
   return ret;
 }
 
@@ -100,7 +104,7 @@ unsigned int
 hb_face_t::load_upem () const
 {
   unsigned int ret = table.head->get_upem ();
-  upem.set_relaxed (ret);
+  upem = ret;
   return ret;
 }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-accelerator.hh b/src/3rdparty/harfbuzz-ng/src/hb-subset-accelerator.hh
new file mode 100644
index 0000000000..63ae6d77e2
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-accelerator.hh
@@ -0,0 +1,121 @@
+/*
+ * Copyright © 2022  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#ifndef HB_SUBSET_ACCELERATOR_HH
+#define HB_SUBSET_ACCELERATOR_HH
+
+
+#include "hb.hh"
+
+#include "hb-map.hh"
+#include "hb-multimap.hh"
+#include "hb-set.hh"
+
+extern HB_INTERNAL hb_user_data_key_t _hb_subset_accelerator_user_data_key;
+
+namespace CFF {
+struct cff_subset_accelerator_t;
+}
+
+namespace OT {
+struct SubtableUnicodesCache;
+};
+
+struct hb_subset_accelerator_t
+{
+  static hb_user_data_key_t* user_data_key()
+  {
+    return &_hb_subset_accelerator_user_data_key;
+  }
+
+  static hb_subset_accelerator_t* create(const hb_map_t& unicode_to_gid_,
+					 const hb_multimap_t gid_to_unicodes_,
+					 const hb_set_t& unicodes_,
+					 bool has_seac_) {
+    hb_subset_accelerator_t* accel =
+        (hb_subset_accelerator_t*) hb_malloc (sizeof(hb_subset_accelerator_t));
+    new (accel) hb_subset_accelerator_t (unicode_to_gid_, gid_to_unicodes_, unicodes_);
+    accel->has_seac = has_seac_;
+    return accel;
+  }
+
+  static void destroy(void* value) {
+    if (!value) return;
+
+    hb_subset_accelerator_t* accel = (hb_subset_accelerator_t*) value;
+
+    if (accel->cff_accelerator && accel->destroy_cff_accelerator)
+      accel->destroy_cff_accelerator ((void*) accel->cff_accelerator);
+
+    if (accel->cmap_cache && accel->destroy_cmap_cache)
+      accel->destroy_cmap_cache ((void*) accel->cmap_cache);
+
+    accel->~hb_subset_accelerator_t ();
+    hb_free (accel);
+  }
+
+  hb_subset_accelerator_t (const hb_map_t& unicode_to_gid_,
+			   const hb_multimap_t& gid_to_unicodes_,
+                          const hb_set_t& unicodes_)
+      : unicode_to_gid(unicode_to_gid_), gid_to_unicodes (gid_to_unicodes_), unicodes(unicodes_),
+        cmap_cache(nullptr), destroy_cmap_cache(nullptr),
+        has_seac(false), cff_accelerator(nullptr), destroy_cff_accelerator(nullptr)
+  { sanitized_table_cache_lock.init (); }
+
+  ~hb_subset_accelerator_t ()
+  { sanitized_table_cache_lock.fini (); }
+
+  // Generic
+
+  mutable hb_mutex_t sanitized_table_cache_lock;
+  mutable hb_hashmap_t<hb_tag_t, hb::unique_ptr<hb_blob_t>> sanitized_table_cache;
+
+  const hb_map_t unicode_to_gid;
+  const hb_multimap_t gid_to_unicodes;
+  const hb_set_t unicodes;
+
+  // cmap
+  const OT::SubtableUnicodesCache* cmap_cache;
+  hb_destroy_func_t destroy_cmap_cache;
+
+  // CFF
+  bool has_seac;
+  const CFF::cff_subset_accelerator_t* cff_accelerator;
+  hb_destroy_func_t destroy_cff_accelerator;
+
+  // TODO(garretrieger): cumulative glyf checksum map
+
+  bool in_error () const
+  {
+    return unicode_to_gid.in_error () ||
+	   gid_to_unicodes.in_error () ||
+	   unicodes.in_error () ||
+	   sanitized_table_cache.in_error ();
+  }
+};
+
+
+#endif /* HB_SUBSET_ACCELERATOR_HH */
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.cc
index 711b2236d6..6e1b6f713d 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.cc
@@ -66,8 +66,7 @@ hb_plan_subset_cff_fdselect (const hb_subset_plan_t *plan,
 
   {
     /* use hb_set to determine the subset of font dicts */
-    hb_set_t *set = hb_set_create ();
-    if (unlikely (set == &Null (hb_set_t))) return false;
+    hb_set_t set;
     hb_codepoint_t prev_fd = CFF_UNDEF_CODE;
     for (hb_codepoint_t i = 0; i < subset_num_glyphs; i++)
     {
@@ -79,7 +78,7 @@ hb_plan_subset_cff_fdselect (const hb_subset_plan_t *plan,
 	glyph = i;
       }
       fd = src.get_fd (glyph);
-      set->add (fd);
+      set.add (fd);
 
       if (fd != prev_fd)
       {
@@ -90,12 +89,11 @@ hb_plan_subset_cff_fdselect (const hb_subset_plan_t *plan,
       }
     }
 
-    subset_fd_count = set->get_population ();
+    subset_fd_count = set.get_population ();
     if (subset_fd_count == fdCount)
     {
       /* all font dicts belong to the subset. no need to subset FDSelect & FDArray */
       fdmap.identity (fdCount);
-      hb_set_destroy (set);
     }
     else
     {
@@ -103,9 +101,8 @@ hb_plan_subset_cff_fdselect (const hb_subset_plan_t *plan,
       fdmap.reset ();
 
       hb_codepoint_t fd = CFF_UNDEF_CODE;
-      while (set->next (&fd))
+      while (set.next (&fd))
 	fdmap.add (fd);
-      hb_set_destroy (set);
       if (unlikely (fdmap.get_population () != subset_fd_count))
 	return false;
     }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.hh
index 18657705fa..8bbc017656 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff-common.hh
@@ -38,14 +38,16 @@ namespace CFF {
 struct str_encoder_t
 {
   str_encoder_t (str_buff_t &buff_)
-    : buff (buff_), error (false) {}
+    : buff (buff_) {}
 
-  void reset () { buff.resize (0); }
+  void reset () { buff.reset (); }
 
   void encode_byte (unsigned char b)
   {
-    if (unlikely (buff.push (b) == &Crap (unsigned char)))
-      set_error ();
+    if (likely ((signed) buff.length < buff.allocated))
+      buff.arrayZ[buff.length++] = b;
+    else
+      buff.push (b);
   }
 
   void encode_int (int v)
@@ -107,29 +109,18 @@ struct str_encoder_t
       encode_byte (op);
   }
 
-  void copy_str (const byte_str_t &str)
+  void copy_str (const unsigned char *str, unsigned length)
   {
-    unsigned int  offset = buff.length;
-    if (unlikely (!buff.resize (offset + str.length)))
-    {
-      set_error ();
-      return;
-    }
-    if (unlikely (buff.length < offset + str.length))
-    {
-      set_error ();
-      return;
-    }
-    memcpy (&buff[offset], &str[0], str.length);
+    assert ((signed) (buff.length + length) <= buff.allocated);
+    hb_memcpy (buff.arrayZ + buff.length, str, length);
+    buff.length += length;
   }
 
-  bool is_error () const { return error; }
+  bool in_error () const { return buff.in_error (); }
 
   protected:
-  void set_error () { error = true; }
 
   str_buff_t &buff;
-  bool    error;
 };
 
 struct cff_sub_table_info_t {
@@ -188,9 +179,12 @@ struct cff_font_dict_op_serializer_t : op_serializer_t
     }
     else
     {
-      HBUINT8 *d = c->allocate_size<HBUINT8> (opstr.str.length);
+      unsigned char *d = c->allocate_size<unsigned char> (opstr.length);
       if (unlikely (!d)) return_trace (false);
-      memcpy (d, &opstr.str[0], opstr.str.length);
+      /* Faster than hb_memcpy for small strings. */
+      for (unsigned i = 0; i < opstr.length; i++)
+	d[i] = opstr.ptr[i];
+      //hb_memcpy (d, opstr.ptr, opstr.length);
     }
     return_trace (true);
   }
@@ -240,11 +234,10 @@ struct subr_flattener_t
 
   bool flatten (str_buff_vec_t &flat_charstrings)
   {
-    if (!flat_charstrings.resize (plan->num_output_glyphs ()))
+    unsigned count = plan->num_output_glyphs ();
+    if (!flat_charstrings.resize (count))
       return false;
-    for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
-      flat_charstrings[i].init ();
-    for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
+    for (unsigned int i = 0; i < count; i++)
     {
       hb_codepoint_t  glyph;
       if (!plan->old_gid_for_new_gid (i, &glyph))
@@ -253,14 +246,14 @@ struct subr_flattener_t
 	if (endchar_op != OpCode_Invalid) flat_charstrings[i].push (endchar_op);
 	continue;
       }
-      const byte_str_t str = (*acc.charStrings)[glyph];
+      const hb_ubytes_t str = (*acc.charStrings)[glyph];
       unsigned int fd = acc.fdSelect->get_fd (glyph);
       if (unlikely (fd >= acc.fdCount))
 	return false;
-      cs_interpreter_t<ENV, OPSET, flatten_param_t> interp;
-      interp.env.init (str, acc, fd);
+      ENV env (str, acc, fd);
+      cs_interpreter_t<ENV, OPSET, flatten_param_t> interp (env);
       flatten_param_t  param = {
-        flat_charstrings[i],
+        flat_charstrings.arrayZ[i],
         (bool) (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
       };
       if (unlikely (!interp.interpret (param)))
@@ -275,11 +268,9 @@ struct subr_flattener_t
 
 struct subr_closures_t
 {
-  subr_closures_t (unsigned int fd_count) : valid (false), global_closure (), local_closures ()
+  subr_closures_t (unsigned int fd_count) : global_closure (), local_closures ()
   {
-    valid = true;
-    if (!local_closures.resize (fd_count))
-      valid = false;
+    local_closures.resize (fd_count);
   }
 
   void reset ()
@@ -289,47 +280,38 @@ struct subr_closures_t
       local_closures[i].clear();
   }
 
-  bool is_valid () const { return valid; }
-  bool  valid;
+  bool in_error () const { return local_closures.in_error (); }
   hb_set_t  global_closure;
   hb_vector_t<hb_set_t> local_closures;
 };
 
 struct parsed_cs_op_t : op_str_t
 {
-  void init (unsigned int subr_num_ = 0)
-  {
-    subr_num = subr_num_;
-    drop_flag = false;
-    keep_flag = false;
-    skip_flag = false;
-  }
-
-  bool for_drop () const { return drop_flag; }
-  void set_drop ()       { if (!for_keep ()) drop_flag = true; }
+  parsed_cs_op_t (unsigned int subr_num_ = 0) :
+    subr_num (subr_num_) {}
 
-  bool for_keep () const { return keep_flag; }
-  void set_keep ()       { keep_flag = true; }
+  bool is_hinting () const { return hinting_flag; }
+  void set_hinting ()       { hinting_flag = true; }
 
-  bool for_skip () const { return skip_flag; }
-  void set_skip ()       { skip_flag = true; }
-
-  unsigned int  subr_num;
+  /* The layout of this struct is designed to fit within the
+   * padding of op_str_t! */
 
   protected:
-  bool	  drop_flag : 1;
-  bool	  keep_flag : 1;
-  bool	  skip_flag : 1;
+  bool	  hinting_flag = false;
+
+  public:
+  uint16_t subr_num;
 };
 
 struct parsed_cs_str_t : parsed_values_t<parsed_cs_op_t>
 {
-  void init ()
+  parsed_cs_str_t () :
+    parsed (false),
+    hint_dropped (false),
+    has_prefix_ (false),
+    has_calls_ (false)
   {
     SUPER::init ();
-    parsed = false;
-    hint_dropped = false;
-    has_prefix_ = false;
   }
 
   void add_op (op_code_t op, const byte_str_ref_t& str_ref)
@@ -342,13 +324,12 @@ struct parsed_cs_str_t : parsed_values_t<parsed_cs_op_t>
   {
     if (!is_parsed ())
     {
-      unsigned int parsed_len = get_count ();
-      if (likely (parsed_len > 0))
-	values[parsed_len-1].set_skip ();
+      has_calls_ = true;
+
+      /* Pop the subroutine number. */
+      values.pop ();
 
-      parsed_cs_op_t val;
-      val.init (subr_num);
-      SUPER::add_op (op, str_ref, val);
+      SUPER::add_op (op, str_ref, {subr_num});
     }
   }
 
@@ -378,11 +359,14 @@ struct parsed_cs_str_t : parsed_values_t<parsed_cs_op_t>
   op_code_t prefix_op () const         { return prefix_op_; }
   const number_t &prefix_num () const { return prefix_num_; }
 
+  bool has_calls () const          { return has_calls_; }
+
   protected:
-  bool    parsed;
-  bool    hint_dropped;
-  bool    vsindex_dropped;
-  bool    has_prefix_;
+  bool    parsed : 1;
+  bool    hint_dropped : 1;
+  bool    vsindex_dropped : 1;
+  bool    has_prefix_ : 1;
+  bool    has_calls_ : 1;
   op_code_t	prefix_op_;
   number_t	prefix_num_;
 
@@ -396,22 +380,75 @@ struct parsed_cs_str_vec_t : hb_vector_t<parsed_cs_str_t>
   typedef hb_vector_t<parsed_cs_str_t> SUPER;
 };
 
-struct subr_subset_param_t
+struct cff_subset_accelerator_t
 {
-  void init (parsed_cs_str_t *parsed_charstring_,
-	     parsed_cs_str_vec_t *parsed_global_subrs_, parsed_cs_str_vec_t *parsed_local_subrs_,
-	     hb_set_t *global_closure_, hb_set_t *local_closure_,
-	     bool drop_hints_)
+  static cff_subset_accelerator_t* create (
+      hb_blob_t* original_blob,
+      const parsed_cs_str_vec_t& parsed_charstrings,
+      const parsed_cs_str_vec_t& parsed_global_subrs,
+      const hb_vector_t<parsed_cs_str_vec_t>& parsed_local_subrs) {
+    cff_subset_accelerator_t* accel =
+        (cff_subset_accelerator_t*) hb_malloc (sizeof(cff_subset_accelerator_t));
+    new (accel) cff_subset_accelerator_t (original_blob,
+                                          parsed_charstrings,
+                                          parsed_global_subrs,
+                                          parsed_local_subrs);
+    return accel;
+  }
+
+  static void destroy (void* value) {
+    if (!value) return;
+
+    cff_subset_accelerator_t* accel = (cff_subset_accelerator_t*) value;
+    accel->~cff_subset_accelerator_t ();
+    hb_free (accel);
+  }
+
+  cff_subset_accelerator_t(
+      hb_blob_t* original_blob_,
+      const parsed_cs_str_vec_t& parsed_charstrings_,
+      const parsed_cs_str_vec_t& parsed_global_subrs_,
+      const hb_vector_t<parsed_cs_str_vec_t>& parsed_local_subrs_)
   {
-    parsed_charstring = parsed_charstring_;
-    current_parsed_str = parsed_charstring;
+    parsed_charstrings = parsed_charstrings_;
     parsed_global_subrs = parsed_global_subrs_;
     parsed_local_subrs = parsed_local_subrs_;
-    global_closure = global_closure_;
-    local_closure = local_closure_;
-    drop_hints = drop_hints_;
+
+    // the parsed charstrings point to memory in the original CFF table so we must hold a reference
+    // to it to keep the memory valid.
+    original_blob = hb_blob_reference (original_blob_);
+  }
+
+  ~cff_subset_accelerator_t() {
+    hb_blob_destroy (original_blob);
+    hb_map_destroy (glyph_to_sid_map.get_relaxed ());
   }
 
+  parsed_cs_str_vec_t parsed_charstrings;
+  parsed_cs_str_vec_t parsed_global_subrs;
+  hb_vector_t<parsed_cs_str_vec_t> parsed_local_subrs;
+  mutable hb_atomic_ptr_t<hb_map_t> glyph_to_sid_map = nullptr;
+
+ private:
+  hb_blob_t* original_blob;
+};
+
+struct subr_subset_param_t
+{
+  subr_subset_param_t (parsed_cs_str_t *parsed_charstring_,
+		       parsed_cs_str_vec_t *parsed_global_subrs_,
+		       parsed_cs_str_vec_t *parsed_local_subrs_,
+		       hb_set_t *global_closure_,
+		       hb_set_t *local_closure_,
+		       bool drop_hints_) :
+      current_parsed_str (parsed_charstring_),
+      parsed_charstring (parsed_charstring_),
+      parsed_global_subrs (parsed_global_subrs_),
+      parsed_local_subrs (parsed_local_subrs_),
+      global_closure (global_closure_),
+      local_closure (local_closure_),
+      drop_hints (drop_hints_) {}
+
   parsed_cs_str_t *get_parsed_str_for_context (call_context_t &context)
   {
     switch (context.type)
@@ -447,7 +484,11 @@ struct subr_subset_param_t
     if (unlikely (calling && !parsed_str->is_parsed () && (parsed_str->values.length > 0)))
       env.set_error ();
     else
+    {
+      if (!parsed_str->is_parsed ())
+        parsed_str->alloc (env.str_ref.total_size () / 2);
       current_parsed_str = parsed_str;
+    }
   }
 
   parsed_cs_str_t	*current_parsed_str;
@@ -468,6 +509,7 @@ struct subr_remap_t : hb_inc_bimap_t
      * no optimization based on usage counts. fonttools doesn't appear doing that either.
      */
 
+    resize (closure->get_population ());
     hb_codepoint_t old_num = HB_SET_VALUE_INVALID;
     while (hb_set_next (closure, &old_num))
       add (old_num);
@@ -506,7 +548,7 @@ struct subr_remaps_t
   {
     global_remap.create (&closures.global_closure);
     for (unsigned int i = 0; i < local_remaps.length; i++)
-      local_remaps[i].create (&closures.local_closures[i]);
+      local_remaps.arrayZ[i].create (&closures.local_closures[i]);
   }
 
   subr_remap_t	       global_remap;
@@ -517,7 +559,8 @@ template <typename SUBSETTER, typename SUBRS, typename ACC, typename ENV, typena
 struct subr_subsetter_t
 {
   subr_subsetter_t (ACC &acc_, const hb_subset_plan_t *plan_)
-      : acc (acc_), plan (plan_), closures(acc_.fdCount), remaps(acc_.fdCount)
+      : acc (acc_), plan (plan_), closures(acc_.fdCount),
+        remaps(acc_.fdCount)
   {}
 
   /* Subroutine subsetting with --no-desubroutinize runs in phases:
@@ -536,53 +579,96 @@ struct subr_subsetter_t
    */
   bool subset (void)
   {
-    parsed_charstrings.resize (plan->num_output_glyphs ());
-    parsed_global_subrs.resize (acc.globalSubrs->count);
-
-    if (unlikely (remaps.in_error()
-                  || parsed_charstrings.in_error ()
-                  || parsed_global_subrs.in_error ())) {
-      return false;
+    unsigned fd_count = acc.fdCount;
+    const cff_subset_accelerator_t* cff_accelerator = nullptr;
+    if (plan->accelerator && plan->accelerator->cff_accelerator) {
+      cff_accelerator = plan->accelerator->cff_accelerator;
+      fd_count = cff_accelerator->parsed_local_subrs.length;
     }
 
-    if (unlikely (!parsed_local_subrs.resize (acc.fdCount))) return false;
+    if (cff_accelerator) {
+      // If we are not dropping hinting then charstrings are not modified so we can
+      // just use a reference to the cached copies.
+      cached_charstrings.resize (plan->num_output_glyphs ());
+      parsed_global_subrs = &cff_accelerator->parsed_global_subrs;
+      parsed_local_subrs = &cff_accelerator->parsed_local_subrs;
+    } else {
+      parsed_charstrings.resize (plan->num_output_glyphs ());
+      parsed_global_subrs_storage.resize (acc.globalSubrs->count);
 
-    for (unsigned int i = 0; i < acc.fdCount; i++)
-    {
-      parsed_local_subrs[i].resize (acc.privateDicts[i].localSubrs->count);
-      if (unlikely (parsed_local_subrs[i].in_error ())) return false;
+      if (unlikely (!parsed_local_subrs_storage.resize (fd_count))) return false;
+
+      for (unsigned int i = 0; i < acc.fdCount; i++)
+      {
+        unsigned count = acc.privateDicts[i].localSubrs->count;
+        parsed_local_subrs_storage[i].resize (count);
+        if (unlikely (parsed_local_subrs_storage[i].in_error ())) return false;
+      }
+
+      parsed_global_subrs = &parsed_global_subrs_storage;
+      parsed_local_subrs = &parsed_local_subrs_storage;
     }
-    if (unlikely (!closures.valid))
+
+    if (unlikely (remaps.in_error()
+                  || cached_charstrings.in_error ()
+                  || parsed_charstrings.in_error ()
+                  || parsed_global_subrs->in_error ()
+                  || closures.in_error ())) {
       return false;
+    }
 
     /* phase 1 & 2 */
     for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
     {
       hb_codepoint_t  glyph;
       if (!plan->old_gid_for_new_gid (i, &glyph))
-	continue;
-      const byte_str_t str = (*acc.charStrings)[glyph];
+        continue;
+
+      const hb_ubytes_t str = (*acc.charStrings)[glyph];
       unsigned int fd = acc.fdSelect->get_fd (glyph);
       if (unlikely (fd >= acc.fdCount))
-	return false;
+        return false;
+
+      if (cff_accelerator)
+      {
+        // parsed string already exists in accelerator, copy it and move
+        // on.
+        if (cached_charstrings)
+          cached_charstrings[i] = &cff_accelerator->parsed_charstrings[glyph];
+        else
+          parsed_charstrings[i] = cff_accelerator->parsed_charstrings[glyph];
+
+        continue;
+      }
 
-      cs_interpreter_t<ENV, OPSET, subr_subset_param_t> interp;
-      interp.env.init (str, acc, fd);
+      ENV env (str, acc, fd);
+      cs_interpreter_t<ENV, OPSET, subr_subset_param_t> interp (env);
 
-      subr_subset_param_t  param;
-      param.init (&parsed_charstrings[i],
-		  &parsed_global_subrs,  &parsed_local_subrs[fd],
-		  &closures.global_closure, &closures.local_closures[fd],
-		  plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+      parsed_charstrings[i].alloc (str.length / 2);
+      subr_subset_param_t  param (&parsed_charstrings[i],
+                                  &parsed_global_subrs_storage,
+                                  &parsed_local_subrs_storage[fd],
+                                  &closures.global_closure,
+                                  &closures.local_closures[fd],
+                                  plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
 
       if (unlikely (!interp.interpret (param)))
-	return false;
+        return false;
 
       /* complete parsed string esp. copy CFF1 width or CFF2 vsindex to the parsed charstring for encoding */
       SUBSETTER::complete_parsed_str (interp.env, param, parsed_charstrings[i]);
     }
 
-    if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
+    // Since parsed strings were loaded from accelerator, we still need
+    // to compute the subroutine closures which would have normally happened during
+    // parsing.
+    if (cff_accelerator &&
+        !closure_subroutines(*parsed_global_subrs,
+                             *parsed_local_subrs))
+      return false;
+
+    if ((plan->flags & HB_SUBSET_FLAGS_NO_HINTING && !cff_accelerator) ||
+	plan->inprogress_accelerator)
     {
       /* mark hint ops and arguments for drop */
       for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
@@ -593,11 +679,12 @@ struct subr_subsetter_t
 	unsigned int fd = acc.fdSelect->get_fd (glyph);
 	if (unlikely (fd >= acc.fdCount))
 	  return false;
-	subr_subset_param_t  param;
-	param.init (&parsed_charstrings[i],
-		    &parsed_global_subrs,  &parsed_local_subrs[fd],
-		    &closures.global_closure, &closures.local_closures[fd],
-                    plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+	subr_subset_param_t  param (&parsed_charstrings[i],
+				    &parsed_global_subrs_storage,
+				    &parsed_local_subrs_storage[fd],
+				    &closures.global_closure,
+				    &closures.local_closures[fd],
+				    plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
 
 	drop_hints_param_t  drop;
 	if (drop_hints_in_str (parsed_charstrings[i], param, drop))
@@ -609,26 +696,14 @@ struct subr_subsetter_t
       }
 
       /* after dropping hints recreate closures of actually used subrs */
-      closures.reset ();
-      for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
-      {
-	hb_codepoint_t  glyph;
-	if (!plan->old_gid_for_new_gid (i, &glyph))
-	  continue;
-	unsigned int fd = acc.fdSelect->get_fd (glyph);
-	if (unlikely (fd >= acc.fdCount))
-	  return false;
-	subr_subset_param_t  param;
-	param.init (&parsed_charstrings[i],
-		    &parsed_global_subrs,  &parsed_local_subrs[fd],
-		    &closures.global_closure, &closures.local_closures[fd],
-                    plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
-	collect_subr_refs_in_str (parsed_charstrings[i], param);
-      }
+      if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING &&
+	  !cff_accelerator &&
+	  !closure_subroutines(*parsed_global_subrs, *parsed_local_subrs)) return false;
     }
 
     remaps.create (closures);
 
+    populate_subset_accelerator ();
     return true;
   }
 
@@ -642,13 +717,13 @@ struct subr_subsetter_t
       if (!plan->old_gid_for_new_gid (i, &glyph))
       {
 	/* add an endchar only charstring for a missing glyph if CFF1 */
-	if (endchar_op != OpCode_Invalid) buffArray[i].push (endchar_op);
+	if (endchar_op != OpCode_Invalid) buffArray.arrayZ[i].push (endchar_op);
 	continue;
       }
       unsigned int  fd = acc.fdSelect->get_fd (glyph);
       if (unlikely (fd >= acc.fdCount))
 	return false;
-      if (unlikely (!encode_str (parsed_charstrings[i], fd, buffArray[i])))
+      if (unlikely (!encode_str (get_parsed_charstring (i), fd, buffArray.arrayZ[i])))
 	return false;
     }
     return true;
@@ -660,26 +735,25 @@ struct subr_subsetter_t
 
     if (unlikely (!buffArray.resize (count)))
       return false;
-    for (unsigned int old_num = 0; old_num < subrs.length; old_num++)
+    for (unsigned int new_num = 0; new_num < count; new_num++)
     {
-      hb_codepoint_t new_num = remap[old_num];
-      if (new_num != CFF_UNDEF_CODE)
-      {
-	if (unlikely (!encode_str (subrs[old_num], fd, buffArray[new_num])))
-	  return false;
-      }
+      hb_codepoint_t old_num = remap.backward (new_num);
+      assert (old_num != CFF_UNDEF_CODE);
+
+      if (unlikely (!encode_str (subrs[old_num], fd, buffArray[new_num])))
+	return false;
     }
     return true;
   }
 
   bool encode_globalsubrs (str_buff_vec_t &buffArray)
   {
-    return encode_subrs (parsed_global_subrs, remaps.global_remap, 0, buffArray);
+    return encode_subrs (*parsed_global_subrs, remaps.global_remap, 0, buffArray);
   }
 
   bool encode_localsubrs (unsigned int fd, str_buff_vec_t &buffArray) const
   {
-    return encode_subrs (parsed_local_subrs[fd], remaps.local_remaps[fd], fd, buffArray);
+    return encode_subrs ((*parsed_local_subrs)[fd], remaps.local_remaps[fd], fd, buffArray);
   }
 
   protected:
@@ -708,7 +782,7 @@ struct subr_subsetter_t
      * then this entire subroutine must be a hint. drop its call. */
     if (drop.ends_in_hint)
     {
-      str.values[pos].set_drop ();
+      str.values[pos].set_hinting ();
       /* if this subr call is at the end of the parent subr, propagate the flag
        * otherwise reset the flag */
       if (!str.at_end (pos))
@@ -716,7 +790,7 @@ struct subr_subsetter_t
     }
     else if (drop.all_dropped)
     {
-      str.values[pos].set_drop ();
+      str.values[pos].set_hinting ();
     }
 
     return has_hint;
@@ -727,20 +801,22 @@ struct subr_subsetter_t
   {
     bool  seen_hint = false;
 
-    for (unsigned int pos = 0; pos < str.values.length; pos++)
+    unsigned count = str.values.length;
+    auto *values = str.values.arrayZ;
+    for (unsigned int pos = 0; pos < count; pos++)
     {
       bool  has_hint = false;
-      switch (str.values[pos].op)
+      switch (values[pos].op)
       {
 	case OpCode_callsubr:
 	  has_hint = drop_hints_in_subr (str, pos,
-					*param.parsed_local_subrs, str.values[pos].subr_num,
+					*param.parsed_local_subrs, values[pos].subr_num,
 					param, drop);
 	  break;
 
 	case OpCode_callgsubr:
 	  has_hint = drop_hints_in_subr (str, pos,
-					*param.parsed_global_subrs, str.values[pos].subr_num,
+					*param.parsed_global_subrs, values[pos].subr_num,
 					param, drop);
 	  break;
 
@@ -754,7 +830,7 @@ struct subr_subsetter_t
 	case OpCode_cntrmask:
 	  if (drop.seen_moveto)
 	  {
-	    str.values[pos].set_drop ();
+	    values[pos].set_hinting ();
 	    break;
 	  }
 	  HB_FALLTHROUGH;
@@ -764,13 +840,13 @@ struct subr_subsetter_t
 	case OpCode_hstem:
 	case OpCode_vstem:
 	  has_hint = true;
-	  str.values[pos].set_drop ();
+	  values[pos].set_hinting ();
 	  if (str.at_end (pos))
 	    drop.ends_in_hint = true;
 	  break;
 
 	case OpCode_dotsection:
-	  str.values[pos].set_drop ();
+	  values[pos].set_hinting ();
 	  break;
 
 	default:
@@ -781,10 +857,10 @@ struct subr_subsetter_t
       {
 	for (int i = pos - 1; i >= 0; i--)
 	{
-	  parsed_cs_op_t  &csop = str.values[(unsigned)i];
-	  if (csop.for_drop ())
+	  parsed_cs_op_t  &csop = values[(unsigned)i];
+	  if (csop.is_hinting ())
 	    break;
-	  csop.set_drop ();
+	  csop.set_hinting ();
 	  if (csop.op == OpCode_vsindexcs)
 	    drop.vsindex_dropped = true;
 	}
@@ -797,12 +873,12 @@ struct subr_subsetter_t
      * only (usually one) hintmask operator, then calls to this subr can be dropped.
      */
     drop.all_dropped = true;
-    for (unsigned int pos = 0; pos < str.values.length; pos++)
+    for (unsigned int pos = 0; pos < count; pos++)
     {
-      parsed_cs_op_t  &csop = str.values[pos];
+      parsed_cs_op_t  &csop = values[pos];
       if (csop.op == OpCode_return)
 	break;
-      if (!csop.for_drop ())
+      if (!csop.is_hinting ())
       {
 	drop.all_dropped = false;
 	break;
@@ -812,32 +888,62 @@ struct subr_subsetter_t
     return seen_hint;
   }
 
-  void collect_subr_refs_in_subr (parsed_cs_str_t &str, unsigned int pos,
-				  unsigned int subr_num, parsed_cs_str_vec_t &subrs,
+  bool closure_subroutines (const parsed_cs_str_vec_t& global_subrs,
+                            const hb_vector_t<parsed_cs_str_vec_t>& local_subrs)
+  {
+    closures.reset ();
+    for (unsigned int i = 0; i < plan->num_output_glyphs (); i++)
+    {
+      hb_codepoint_t  glyph;
+      if (!plan->old_gid_for_new_gid (i, &glyph))
+        continue;
+      unsigned int fd = acc.fdSelect->get_fd (glyph);
+      if (unlikely (fd >= acc.fdCount))
+        return false;
+
+      // Note: const cast is safe here because the collect_subr_refs_in_str only performs a
+      //       closure and does not modify any of the charstrings.
+      subr_subset_param_t  param (const_cast<parsed_cs_str_t*> (&get_parsed_charstring (i)),
+                                  const_cast<parsed_cs_str_vec_t*> (&global_subrs),
+                                  const_cast<parsed_cs_str_vec_t*> (&local_subrs[fd]),
+                                  &closures.global_closure,
+                                  &closures.local_closures[fd],
+                                  plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+      collect_subr_refs_in_str (get_parsed_charstring (i), param);
+    }
+
+    return true;
+  }
+
+  void collect_subr_refs_in_subr (unsigned int subr_num, parsed_cs_str_vec_t &subrs,
 				  hb_set_t *closure,
 				  const subr_subset_param_t &param)
   {
+    if (closure->has (subr_num))
+      return;
     closure->add (subr_num);
     collect_subr_refs_in_str (subrs[subr_num], param);
   }
 
-  void collect_subr_refs_in_str (parsed_cs_str_t &str, const subr_subset_param_t &param)
+  void collect_subr_refs_in_str (const parsed_cs_str_t &str,
+                                 const subr_subset_param_t &param)
   {
-    for (unsigned int pos = 0; pos < str.values.length; pos++)
+    if (!str.has_calls ())
+      return;
+
+    for (auto &opstr : str.values)
     {
-      if (!str.values[pos].for_drop ())
+      if (!param.drop_hints || !opstr.is_hinting ())
       {
-	switch (str.values[pos].op)
+	switch (opstr.op)
 	{
 	  case OpCode_callsubr:
-	    collect_subr_refs_in_subr (str, pos,
-				       str.values[pos].subr_num, *param.parsed_local_subrs,
+	    collect_subr_refs_in_subr (opstr.subr_num, *param.parsed_local_subrs,
 				       param.local_closure, param);
 	    break;
 
 	  case OpCode_callgsubr:
-	    collect_subr_refs_in_subr (str, pos,
-				       str.values[pos].subr_num, *param.parsed_global_subrs,
+	    collect_subr_refs_in_subr (opstr.subr_num, *param.parsed_global_subrs,
 				       param.global_closure, param);
 	    break;
 
@@ -849,41 +955,113 @@ struct subr_subsetter_t
 
   bool encode_str (const parsed_cs_str_t &str, const unsigned int fd, str_buff_t &buff) const
   {
-    buff.init ();
     str_encoder_t  encoder (buff);
     encoder.reset ();
+    bool hinting = !(plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
     /* if a prefix (CFF1 width or CFF2 vsindex) has been removed along with hints,
      * re-insert it at the beginning of charstreing */
-    if (str.has_prefix () && str.is_hint_dropped ())
+    if (str.has_prefix () && !hinting && str.is_hint_dropped ())
     {
       encoder.encode_num (str.prefix_num ());
       if (str.prefix_op () != OpCode_Invalid)
 	encoder.encode_op (str.prefix_op ());
     }
-    for (unsigned int i = 0; i < str.get_count(); i++)
+
+    unsigned size = 0;
+    for (auto &opstr : str.values)
     {
-      const parsed_cs_op_t  &opstr = str.values[i];
-      if (!opstr.for_drop () && !opstr.for_skip ())
+      size += opstr.length;
+      if (opstr.op == OpCode_callsubr || opstr.op == OpCode_callgsubr)
+        size += 3;
+    }
+    if (!buff.alloc (buff.length + size))
+      return false;
+
+    for (auto &opstr : str.values)
+    {
+      if (hinting || !opstr.is_hinting ())
       {
 	switch (opstr.op)
 	{
 	  case OpCode_callsubr:
 	    encoder.encode_int (remaps.local_remaps[fd].biased_num (opstr.subr_num));
-	    encoder.encode_op (OpCode_callsubr);
+	    encoder.copy_str (opstr.ptr, opstr.length);
 	    break;
 
 	  case OpCode_callgsubr:
 	    encoder.encode_int (remaps.global_remap.biased_num (opstr.subr_num));
-	    encoder.encode_op (OpCode_callgsubr);
+	    encoder.copy_str (opstr.ptr, opstr.length);
 	    break;
 
 	  default:
-	    encoder.copy_str (opstr.str);
+	    encoder.copy_str (opstr.ptr, opstr.length);
 	    break;
 	}
       }
     }
-    return !encoder.is_error ();
+    return !encoder.in_error ();
+  }
+
+  void compact_parsed_strings () const
+  {
+    for (auto &cs : parsed_charstrings)
+      compact_string (cs);
+    for (auto &cs : parsed_global_subrs_storage)
+      compact_string (cs);
+    for (auto &vec : parsed_local_subrs_storage)
+      for (auto &cs : vec)
+	compact_string (cs);
+  }
+
+  static void compact_string (parsed_cs_str_t &str)
+  {
+    unsigned count = str.values.length;
+    if (unlikely (!count)) return;
+    auto &opstr = str.values.arrayZ;
+    unsigned j = 0;
+    for (unsigned i = 1; i < count; i++)
+    {
+      /* See if we can combine op j and op i. */
+      bool combine =
+        (opstr[j].op != OpCode_callsubr && opstr[j].op != OpCode_callgsubr) &&
+        (opstr[i].op != OpCode_callsubr && opstr[i].op != OpCode_callgsubr) &&
+        (opstr[j].is_hinting () == opstr[i].is_hinting ()) &&
+        (opstr[j].ptr + opstr[j].length == opstr[i].ptr) &&
+        (opstr[j].length + opstr[i].length <= 255);
+
+      if (combine)
+      {
+	opstr[j].length += opstr[i].length;
+	opstr[j].op = OpCode_Invalid;
+      }
+      else
+      {
+	opstr[++j] = opstr[i];
+      }
+    }
+    str.values.shrink (j + 1);
+  }
+
+  void populate_subset_accelerator () const
+  {
+    if (!plan->inprogress_accelerator) return;
+
+    compact_parsed_strings ();
+
+    plan->inprogress_accelerator->cff_accelerator =
+        cff_subset_accelerator_t::create(acc.blob,
+                                         parsed_charstrings,
+                                         parsed_global_subrs_storage,
+                                         parsed_local_subrs_storage);
+    plan->inprogress_accelerator->destroy_cff_accelerator =
+        cff_subset_accelerator_t::destroy;
+
+  }
+
+  const parsed_cs_str_t& get_parsed_charstring (unsigned i) const
+  {
+    if (cached_charstrings) return *(cached_charstrings[i]);
+    return parsed_charstrings[i];
   }
 
   protected:
@@ -892,13 +1070,17 @@ struct subr_subsetter_t
 
   subr_closures_t		closures;
 
-  parsed_cs_str_vec_t		parsed_charstrings;
-  parsed_cs_str_vec_t		parsed_global_subrs;
-  hb_vector_t<parsed_cs_str_vec_t>  parsed_local_subrs;
+  hb_vector_t<const parsed_cs_str_t*>     cached_charstrings;
+  const parsed_cs_str_vec_t*              parsed_global_subrs;
+  const hb_vector_t<parsed_cs_str_vec_t>* parsed_local_subrs;
 
   subr_remaps_t			remaps;
 
   private:
+
+  parsed_cs_str_vec_t		parsed_charstrings;
+  parsed_cs_str_vec_t		parsed_global_subrs_storage;
+  hb_vector_t<parsed_cs_str_vec_t>  parsed_local_subrs_storage;
   typedef typename SUBRS::count_type subr_count_type;
 };
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff1.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff1.cc
index 35fecd67bc..538f28f5aa 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff1.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff1.cc
@@ -167,9 +167,10 @@ struct cff1_top_dict_op_serializer_t : cff_top_dict_op_serializer_t<cff1_top_dic
 	   * for supplement, the original byte string is copied along with the op code */
 	  op_str_t supp_op;
 	  supp_op.op = op;
-	  if ( unlikely (!(opstr.str.length >= opstr.last_arg_offset + 3)))
+	  if ( unlikely (!(opstr.length >= opstr.last_arg_offset + 3)))
 	    return_trace (false);
-	  supp_op.str = byte_str_t (&opstr.str + opstr.last_arg_offset, opstr.str.length - opstr.last_arg_offset);
+	  supp_op.ptr = opstr.ptr + opstr.last_arg_offset;
+	  supp_op.length = opstr.length - opstr.last_arg_offset;
 	  return_trace (UnsizedByteStr::serialize_int2 (c, mod.nameSIDs[name_dict_values_t::registry]) &&
 			UnsizedByteStr::serialize_int2 (c, mod.nameSIDs[name_dict_values_t::ordering]) &&
 			copy_opstr (c, supp_op));
@@ -270,13 +271,13 @@ struct range_list_t : hb_vector_t<code_pair_t>
   /* replace the first glyph ID in the "glyph" field each range with a nLeft value */
   bool complete (unsigned int last_glyph)
   {
-    bool  two_byte = false;
-    for (unsigned int i = (*this).length; i > 0; i--)
+    bool two_byte = false;
+    unsigned count = this->length;
+    for (unsigned int i = count; i; i--)
     {
-      code_pair_t &pair = (*this)[i - 1];
-      unsigned int  nLeft = last_glyph - pair.glyph - 1;
-      if (nLeft >= 0x100)
-	two_byte = true;
+      code_pair_t &pair = arrayZ[i - 1];
+      unsigned int nLeft = last_glyph - pair.glyph - 1;
+      two_byte |= nLeft >= 0x100;
       last_glyph = pair.glyph;
       pair.glyph = nLeft;
     }
@@ -442,6 +443,18 @@ struct cff_subset_plan {
       return;
     }
 
+    hb_map_t *glyph_to_sid_map = (plan->accelerator && plan->accelerator->cff_accelerator) ?
+				  plan->accelerator->cff_accelerator->glyph_to_sid_map :
+				  nullptr;
+    bool created_map = false;
+    if (!glyph_to_sid_map &&
+	((plan->accelerator && plan->accelerator->cff_accelerator) ||
+	 plan->num_output_glyphs () > plan->source->get_num_glyphs () / 8.))
+    {
+      created_map = true;
+      glyph_to_sid_map = acc.create_glyph_to_sid_map ();
+    }
+
     unsigned int glyph;
     for (glyph = 1; glyph < plan->num_output_glyphs (); glyph++)
     {
@@ -451,7 +464,7 @@ struct cff_subset_plan {
 	/* Retain the SID for the old missing glyph ID */
 	old_glyph = glyph;
       }
-      sid = acc.glyph_to_sid (old_glyph);
+      sid = glyph_to_sid_map ? glyph_to_sid_map->get (old_glyph) : acc.glyph_to_sid (old_glyph);
 
       if (!acc.is_CID ())
 	sid = sidmap.add (sid);
@@ -464,6 +477,13 @@ struct cff_subset_plan {
       last_sid = sid;
     }
 
+    if (created_map)
+    {
+      if (!(plan->accelerator && plan->accelerator->cff_accelerator) ||
+	  !plan->accelerator->cff_accelerator->glyph_to_sid_map.cmpexch (nullptr, glyph_to_sid_map))
+	hb_map_destroy (glyph_to_sid_map);
+    }
+
     bool two_byte = subset_charset_ranges.complete (glyph);
 
     size0 = Charset0::min_size + HBUINT16::static_size * (plan->num_output_glyphs () - 1);
@@ -722,11 +742,17 @@ static bool _serialize_cff1 (hb_serialize_context_t *c,
 
   /* CharStrings */
   {
+    c->push<CFF1CharStrings> ();
+
+    unsigned total_size = CFF1CharStrings::total_size (plan.subset_charstrings);
+    if (unlikely (!c->start_zerocopy (total_size)))
+       return false;
+
     CFF1CharStrings  *cs = c->start_embed<CFF1CharStrings> ();
     if (unlikely (!cs)) return false;
-    c->push ();
+
     if (likely (cs->serialize (c, plan.subset_charstrings)))
-      plan.info.char_strings_link = c->pop_pack ();
+      plan.info.char_strings_link = c->pop_pack (false);
     else
     {
       c->pop_discard ();
@@ -809,7 +835,7 @@ static bool _serialize_cff1 (hb_serialize_context_t *c,
     CFF1Subrs *dest = c->start_embed <CFF1Subrs> ();
     if (unlikely (!dest)) return false;
     if (likely (dest->serialize (c, plan.subset_globalsubrs)))
-      c->pop_pack ();
+      c->pop_pack (false);
     else
     {
       c->pop_discard ();
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff2.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff2.cc
index 92dd6b1d2c..60946b0281 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-cff2.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-cff2.cc
@@ -67,9 +67,9 @@ struct cff2_top_dict_op_serializer_t : cff_top_dict_op_serializer_t<>
   }
 };
 
-struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t>
+struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t, blend_arg_t>
 {
-  static void flush_args_and_op (op_code_t op, cff2_cs_interp_env_t &env, flatten_param_t& param)
+  static void flush_args_and_op (op_code_t op, cff2_cs_interp_env_t<blend_arg_t> &env, flatten_param_t& param)
   {
     switch (op)
     {
@@ -97,7 +97,7 @@ struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatte
     }
   }
 
-  static void flush_args (cff2_cs_interp_env_t &env, flatten_param_t& param)
+  static void flush_args (cff2_cs_interp_env_t<blend_arg_t> &env, flatten_param_t& param)
   {
     for (unsigned int i = 0; i < env.argStack.get_count ();)
     {
@@ -122,7 +122,7 @@ struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatte
     SUPER::flush_args (env, param);
   }
 
-  static void flatten_blends (const blend_arg_t &arg, unsigned int i, cff2_cs_interp_env_t &env, flatten_param_t& param)
+  static void flatten_blends (const blend_arg_t &arg, unsigned int i, cff2_cs_interp_env_t<blend_arg_t> &env, flatten_param_t& param)
   {
     /* flatten the default values */
     str_encoder_t  encoder (param.flatStr);
@@ -149,7 +149,7 @@ struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatte
     encoder.encode_op (OpCode_blendcs);
   }
 
-  static void flush_op (op_code_t op, cff2_cs_interp_env_t &env, flatten_param_t& param)
+  static void flush_op (op_code_t op, cff2_cs_interp_env_t<blend_arg_t> &env, flatten_param_t& param)
   {
     switch (op)
     {
@@ -163,13 +163,13 @@ struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatte
   }
 
   private:
-  typedef cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t> SUPER;
-  typedef cs_opset_t<blend_arg_t, cff2_cs_opset_flatten_t, cff2_cs_opset_flatten_t, cff2_cs_interp_env_t, flatten_param_t> CSOPSET;
+  typedef cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t, blend_arg_t> SUPER;
+  typedef cs_opset_t<blend_arg_t, cff2_cs_opset_flatten_t, cff2_cs_opset_flatten_t, cff2_cs_interp_env_t<blend_arg_t>, flatten_param_t> CSOPSET;
 };
 
-struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t>
+struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t, blend_arg_t>
 {
-  static void process_op (op_code_t op, cff2_cs_interp_env_t &env, subr_subset_param_t& param)
+  static void process_op (op_code_t op, cff2_cs_interp_env_t<blend_arg_t> &env, subr_subset_param_t& param)
   {
     switch (op) {
 
@@ -201,7 +201,7 @@ struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t
 
   protected:
   static void process_call_subr (op_code_t op, cs_type_t type,
-				 cff2_cs_interp_env_t &env, subr_subset_param_t& param,
+				 cff2_cs_interp_env_t<blend_arg_t> &env, subr_subset_param_t& param,
 				 cff2_biased_subrs_t& subrs, hb_set_t *closure)
   {
     byte_str_ref_t    str_ref = env.str_ref;
@@ -212,15 +212,15 @@ struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t
   }
 
   private:
-  typedef cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t> SUPER;
+  typedef cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t, blend_arg_t> SUPER;
 };
 
-struct cff2_subr_subsetter_t : subr_subsetter_t<cff2_subr_subsetter_t, CFF2Subrs, const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t, cff2_cs_opset_subr_subset_t>
+struct cff2_subr_subsetter_t : subr_subsetter_t<cff2_subr_subsetter_t, CFF2Subrs, const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t<blend_arg_t>, cff2_cs_opset_subr_subset_t>
 {
   cff2_subr_subsetter_t (const OT::cff2::accelerator_subset_t &acc_, const hb_subset_plan_t *plan_)
     : subr_subsetter_t (acc_, plan_) {}
 
-  static void complete_parsed_str (cff2_cs_interp_env_t &env, subr_subset_param_t& param, parsed_cs_str_t &charstring)
+  static void complete_parsed_str (cff2_cs_interp_env_t<blend_arg_t> &env, subr_subset_param_t& param, parsed_cs_str_t &charstring)
   {
     /* vsindex is inserted at the beginning of the charstring as necessary */
     if (env.seen_vsindex ())
@@ -245,7 +245,7 @@ struct cff2_subset_plan {
     if (desubroutinize)
     {
       /* Flatten global & local subrs */
-      subr_flattener_t<const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t, cff2_cs_opset_flatten_t>
+      subr_flattener_t<const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t<blend_arg_t>, cff2_cs_opset_flatten_t>
 		    flattener(acc, plan);
       if (!flattener.flatten (subset_charstrings))
 	return false;
@@ -334,7 +334,7 @@ static bool _serialize_cff2 (hb_serialize_context_t *c,
 	if (unlikely (!dest)) return false;
 	c->push ();
 	if (likely (dest->serialize (c, plan.subset_localsubrs[i])))
-	  subrs_link = c->pop_pack ();
+	  subrs_link = c->pop_pack (false);
 	else
 	{
 	  c->pop_discard ();
@@ -361,11 +361,17 @@ static bool _serialize_cff2 (hb_serialize_context_t *c,
 
   /* CharStrings */
   {
+    c->push ();
+
+    unsigned total_size = CFF2CharStrings::total_size (plan.subset_charstrings);
+    if (unlikely (!c->start_zerocopy (total_size)))
+       return false;
+
     CFF2CharStrings  *cs = c->start_embed<CFF2CharStrings> ();
     if (unlikely (!cs)) return false;
-    c->push ();
+
     if (likely (cs->serialize (c, plan.subset_charstrings)))
-      plan.info.char_strings_link = c->pop_pack ();
+      plan.info.char_strings_link = c->pop_pack (false);
     else
     {
       c->pop_discard ();
@@ -377,9 +383,10 @@ static bool _serialize_cff2 (hb_serialize_context_t *c,
   if (acc.fdSelect != &Null (CFF2FDSelect))
   {
     c->push ();
-    if (likely (hb_serialize_cff_fdselect (c, num_glyphs, *(const FDSelect *)acc.fdSelect, 					      plan.orig_fdcount,
-					    plan.subset_fdselect_format, plan.subset_fdselect_size,
-					    plan.subset_fdselect_ranges)))
+    if (likely (hb_serialize_cff_fdselect (c, num_glyphs, *(const FDSelect *)acc.fdSelect,
+					   plan.orig_fdcount,
+					   plan.subset_fdselect_format, plan.subset_fdselect_size,
+					   plan.subset_fdselect_ranges)))
       plan.info.fd_select.link = c->pop_pack ();
     else
     {
@@ -401,7 +408,7 @@ static bool _serialize_cff2 (hb_serialize_context_t *c,
 	      hb_iter (private_dict_infos))
     ;
     if (unlikely (!fda->serialize (c, it, fontSzr))) return false;
-    plan.info.fd_array_link = c->pop_pack ();
+    plan.info.fd_array_link = c->pop_pack (false);
   }
 
   /* variation store */
@@ -410,7 +417,7 @@ static bool _serialize_cff2 (hb_serialize_context_t *c,
     c->push ();
     CFF2VariationStore *dest = c->start_embed<CFF2VariationStore> ();
     if (unlikely (!dest || !dest->serialize (c, acc.varStore))) return false;
-    plan.info.var_store_link = c->pop_pack ();
+    plan.info.var_store_link = c->pop_pack (false);
   }
 
   OT::cff2 *cff2 = c->allocate_min<OT::cff2> ();
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-input.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-input.cc
index 4885280996..42434ae0ef 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-input.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-input.cc
@@ -26,13 +26,13 @@
 
 #include "hb-subset.hh"
 #include "hb-set.hh"
-
+#include "hb-utf.hh"
 /**
  * hb_subset_input_create_or_fail:
  *
  * Creates a new subset input object.
  *
- * Return value: (transfer full): New subset input, or %NULL if failed. Destroy
+ * Return value: (transfer full): New subset input, or `NULL` if failed. Destroy
  * with hb_subset_input_destroy().
  *
  * Since: 1.8.0
@@ -48,7 +48,16 @@ hb_subset_input_create_or_fail (void)
   for (auto& set : input->sets_iter ())
     set = hb_set_create ();
 
-  if (input->in_error ())
+  input->axes_location = hb_hashmap_create<hb_tag_t, float> ();
+#ifdef HB_EXPERIMENTAL_API
+  input->name_table_overrides = hb_hashmap_create<hb_ot_name_record_ids_t, hb_bytes_t> ();
+#endif
+
+  if (!input->axes_location ||
+#ifdef HB_EXPERIMENTAL_API
+      !input->name_table_overrides ||
+#endif
+      input->in_error ())
   {
     hb_subset_input_destroy (input);
     return nullptr;
@@ -87,7 +96,6 @@ hb_subset_input_create_or_fail (void)
 
   hb_tag_t default_no_subset_tables[] = {
     HB_TAG ('a', 'v', 'a', 'r'),
-    HB_TAG ('f', 'v', 'a', 'r'),
     HB_TAG ('g', 'a', 's', 'p'),
     HB_TAG ('c', 'v', 't', ' '),
     HB_TAG ('f', 'p', 'g', 'm'),
@@ -96,7 +104,6 @@ hb_subset_input_create_or_fail (void)
     HB_TAG ('D', 'S', 'I', 'G'),
     HB_TAG ('M', 'V', 'A', 'R'),
     HB_TAG ('c', 'v', 'a', 'r'),
-    HB_TAG ('S', 'T', 'A', 'T'),
   };
   input->sets.no_subset_tables->add_array (default_no_subset_tables,
                                          ARRAY_LENGTH (default_no_subset_tables));
@@ -140,7 +147,20 @@ hb_subset_input_create_or_fail (void)
     HB_TAG ('r', 't', 'l', 'a'),
     HB_TAG ('r', 't', 'l', 'm'),
 
-    //Complex shapers
+    //random
+    HB_TAG ('r', 'a', 'n', 'd'),
+
+    //justify
+    HB_TAG ('j', 'a', 'l', 't'), // HarfBuzz doesn't use; others might
+
+    //private
+    HB_TAG ('H', 'a', 'r', 'f'),
+    HB_TAG ('H', 'A', 'R', 'F'),
+    HB_TAG ('B', 'u', 'z', 'z'),
+    HB_TAG ('B', 'U', 'Z', 'Z'),
+
+    //shapers
+
     //arabic
     HB_TAG ('i', 'n', 'i', 't'),
     HB_TAG ('m', 'e', 'd', 'i'),
@@ -190,6 +210,8 @@ hb_subset_input_create_or_fail (void)
 
   input->sets.layout_features->add_array (default_layout_features, ARRAY_LENGTH (default_layout_features));
 
+  input->sets.layout_scripts->invert (); // Default to all scripts.
+
   if (input->in_error ())
   {
     hb_subset_input_destroy (input);
@@ -231,6 +253,17 @@ hb_subset_input_destroy (hb_subset_input_t *input)
   for (hb_set_t* set : input->sets_iter ())
     hb_set_destroy (set);
 
+  hb_hashmap_destroy (input->axes_location);
+
+#ifdef HB_EXPERIMENTAL_API
+  if (input->name_table_overrides)
+  {
+    for (auto _ : *input->name_table_overrides)
+      _.second.fini ();
+  }
+  hb_hashmap_destroy (input->name_table_overrides);
+#endif
+
   hb_free (input);
 }
 
@@ -329,7 +362,7 @@ hb_subset_input_set_flags (hb_subset_input_t *input,
  *
  * Attaches a user-data key/data pair to the given subset input object.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 2.9.0
  **/
@@ -361,3 +394,207 @@ hb_subset_input_get_user_data (const hb_subset_input_t *input,
 {
   return hb_object_get_user_data (input, key);
 }
+
+#ifndef HB_NO_VAR
+/**
+ * hb_subset_input_pin_axis_to_default: (skip)
+ * @input: a #hb_subset_input_t object.
+ * @axis_tag: Tag of the axis to be pinned
+ *
+ * Pin an axis to its default location in the given subset input object.
+ *
+ * Currently only works for fonts with 'glyf' tables. CFF and CFF2 is not
+ * yet supported. Additionally all axes in a font must be pinned.
+ *
+ * Return value: `true` if success, `false` otherwise
+ *
+ * Since: 6.0.0
+ **/
+HB_EXTERN hb_bool_t
+hb_subset_input_pin_axis_to_default (hb_subset_input_t  *input,
+                                     hb_face_t          *face,
+                                     hb_tag_t            axis_tag)
+{
+  hb_ot_var_axis_info_t axis_info;
+  if (!hb_ot_var_find_axis_info (face, axis_tag, &axis_info))
+    return false;
+
+  return input->axes_location->set (axis_tag, axis_info.default_value);
+}
+
+/**
+ * hb_subset_input_pin_axis_location: (skip)
+ * @input: a #hb_subset_input_t object.
+ * @axis_tag: Tag of the axis to be pinned
+ * @axis_value: Location on the axis to be pinned at
+ *
+ * Pin an axis to a fixed location in the given subset input object.
+ *
+ * Currently only works for fonts with 'glyf' tables. CFF and CFF2 is not
+ * yet supported. Additionally all axes in a font must be pinned.
+ *
+ * Return value: `true` if success, `false` otherwise
+ *
+ * Since: 6.0.0
+ **/
+HB_EXTERN hb_bool_t
+hb_subset_input_pin_axis_location (hb_subset_input_t  *input,
+                                   hb_face_t          *face,
+                                   hb_tag_t            axis_tag,
+                                   float               axis_value)
+{
+  hb_ot_var_axis_info_t axis_info;
+  if (!hb_ot_var_find_axis_info (face, axis_tag, &axis_info))
+    return false;
+
+  float val = hb_clamp(axis_value, axis_info.min_value, axis_info.max_value);
+  return input->axes_location->set (axis_tag, val);
+}
+#endif
+
+/**
+ * hb_subset_preprocess:
+ * @source: a #hb_face_t object.
+ *
+ * Preprocesses the face and attaches data that will be needed by the
+ * subsetter. Future subsetting operations can then use the precomputed data
+ * to speed up the subsetting operation.
+ *
+ * See [subset-preprocessing](https://github.com/harfbuzz/harfbuzz/blob/main/docs/subset-preprocessing.md)
+ * for more information.
+ *
+ * Note: the preprocessed face may contain sub-blobs that reference the memory
+ * backing the source #hb_face_t. Therefore in the case that this memory is not
+ * owned by the source face you will need to ensure that memory lives
+ * as long as the returned #hb_face_t.
+ *
+ * Returns: a new #hb_face_t.
+ *
+ * Since: 6.0.0
+ **/
+
+HB_EXTERN hb_face_t *
+hb_subset_preprocess (hb_face_t *source)
+{
+  hb_subset_input_t* input = hb_subset_input_create_or_fail ();
+  if (!input)
+    return source;
+
+  hb_set_clear (hb_subset_input_set(input, HB_SUBSET_SETS_UNICODE));
+  hb_set_invert (hb_subset_input_set(input, HB_SUBSET_SETS_UNICODE));
+
+  hb_set_clear (hb_subset_input_set(input, HB_SUBSET_SETS_GLYPH_INDEX));
+  hb_set_invert (hb_subset_input_set(input, HB_SUBSET_SETS_GLYPH_INDEX));
+
+  hb_set_clear (hb_subset_input_set(input,
+                                    HB_SUBSET_SETS_LAYOUT_FEATURE_TAG));
+  hb_set_invert (hb_subset_input_set(input,
+                                     HB_SUBSET_SETS_LAYOUT_FEATURE_TAG));
+
+  hb_set_clear (hb_subset_input_set(input,
+                                    HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG));
+  hb_set_invert (hb_subset_input_set(input,
+                                     HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG));
+
+  hb_set_clear (hb_subset_input_set(input,
+                                    HB_SUBSET_SETS_NAME_ID));
+  hb_set_invert (hb_subset_input_set(input,
+                                     HB_SUBSET_SETS_NAME_ID));
+
+  hb_set_clear (hb_subset_input_set(input,
+                                    HB_SUBSET_SETS_NAME_LANG_ID));
+  hb_set_invert (hb_subset_input_set(input,
+                                     HB_SUBSET_SETS_NAME_LANG_ID));
+
+  hb_subset_input_set_flags(input,
+                            HB_SUBSET_FLAGS_NOTDEF_OUTLINE |
+                            HB_SUBSET_FLAGS_GLYPH_NAMES |
+                            HB_SUBSET_FLAGS_RETAIN_GIDS |
+                            HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES);
+  input->attach_accelerator_data = true;
+
+  // Always use long loca in the preprocessed version. This allows
+  // us to store the glyph bytes unpadded which allows the future subset
+  // operation to run faster by skipping the trim padding step.
+  input->force_long_loca = true;
+
+  hb_face_t* new_source = hb_subset_or_fail (source, input);
+  hb_subset_input_destroy (input);
+
+  if (!new_source) {
+    DEBUG_MSG (SUBSET, nullptr, "Preprocessing failed due to subset failure.");
+    return source;
+  }
+
+  return new_source;
+}
+
+#ifdef HB_EXPERIMENTAL_API
+/**
+ * hb_subset_input_override_name_table:
+ * @input: a #hb_subset_input_t object.
+ * @name_id: name_id of a nameRecord
+ * @platform_id: platform ID of a nameRecord
+ * @encoding_id: encoding ID of a nameRecord
+ * @language_id: language ID of a nameRecord
+ * @name_str: pointer to name string new value or null to indicate should remove
+ * @str_len: the size of @name_str, or -1 if it is `NULL`-terminated
+ *
+ * Override the name string of the NameRecord identified by name_id,
+ * platform_id, encoding_id and language_id. If a record with that name_id
+ * doesn't exist, create it and insert to the name table.
+ *
+ * Note: for mac platform, we only support name_str with all ascii characters,
+ * name_str with non-ascii characters will be ignored.
+ *
+ * Since: EXPERIMENTAL
+ **/
+HB_EXTERN hb_bool_t
+hb_subset_input_override_name_table (hb_subset_input_t  *input,
+                                     hb_ot_name_id_t     name_id,
+                                     unsigned            platform_id,
+                                     unsigned            encoding_id,
+                                     unsigned            language_id,
+                                     const char         *name_str,
+                                     int                 str_len /* -1 means nul-terminated */)
+{
+  if (!name_str)
+  {
+    str_len = 0;
+  }
+  else if (str_len == -1)
+  {
+      str_len = strlen (name_str);
+  }
+
+  hb_bytes_t name_bytes (nullptr, 0);
+  if (str_len)
+  {
+    if (platform_id == 1)
+    {
+      const uint8_t *src = reinterpret_cast<const uint8_t*> (name_str);
+      const uint8_t *src_end = src + str_len;
+
+      hb_codepoint_t unicode;
+      const hb_codepoint_t replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT;
+      while (src < src_end)
+      {
+        src = hb_utf8_t::next (src, src_end, &unicode, replacement);
+        if (unicode >= 0x0080u)
+        {
+          printf ("Non-ascii character detected, ignored...This API supports acsii characters only for mac platform\n");
+          return false;
+        }
+      }
+    }
+    char *override_name = (char *) hb_malloc (str_len);
+    if (unlikely (!override_name)) return false;
+
+    hb_memcpy (override_name, name_str, str_len);
+    name_bytes = hb_bytes_t (override_name, str_len);
+  }
+  input->name_table_overrides->set (hb_ot_name_record_ids_t (platform_id, encoding_id, language_id, name_id), name_bytes);
+  return true;
+}
+
+#endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-input.hh b/src/3rdparty/harfbuzz-ng/src/hb-subset-input.hh
index 07c0e22676..ecd47b7abf 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-input.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-input.hh
@@ -36,6 +36,48 @@
 
 #include "hb-font.hh"
 
+struct hb_ot_name_record_ids_t
+{
+  hb_ot_name_record_ids_t () = default;
+  hb_ot_name_record_ids_t (unsigned platform_id_,
+                           unsigned encoding_id_,
+                           unsigned language_id_,
+                           unsigned name_id_)
+      :platform_id (platform_id_),
+      encoding_id (encoding_id_),
+      language_id (language_id_),
+      name_id (name_id_) {}
+
+  bool operator != (const hb_ot_name_record_ids_t o) const
+  { return !(*this == o); }
+
+  inline bool operator == (const hb_ot_name_record_ids_t& o) const
+  {
+    return platform_id == o.platform_id &&
+           encoding_id == o.encoding_id &&
+           language_id == o.language_id &&
+           name_id == o.name_id;
+  }
+
+  inline uint32_t hash () const
+  {
+    uint32_t current = 0;
+    current = current * 31 + hb_hash (platform_id);
+    current = current * 31 + hb_hash (encoding_id);
+    current = current * 31 + hb_hash (language_id);
+    current = current * 31 + hb_hash (name_id);
+    return current;
+  }
+
+  unsigned platform_id;
+  unsigned encoding_id;
+  unsigned language_id;
+  unsigned name_id;
+};
+
+typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
+
+
 HB_MARK_AS_FLAG_T (hb_subset_flags_t);
 
 struct hb_subset_input_t
@@ -50,6 +92,7 @@ struct hb_subset_input_t
     hb_set_t *name_ids;
     hb_set_t *name_languages;
     hb_set_t *layout_features;
+    hb_set_t *layout_scripts;
   };
 
   union {
@@ -58,6 +101,15 @@ struct hb_subset_input_t
   };
 
   unsigned flags;
+  bool attach_accelerator_data = false;
+
+  // If set loca format will always be the long version.
+  bool force_long_loca = false;
+
+  hb_hashmap_t<hb_tag_t, float> *axes_location;
+#ifdef HB_EXPERIMENTAL_API
+  hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
+#endif
 
   inline unsigned num_sets () const
   {
@@ -76,7 +128,12 @@ struct hb_subset_input_t
       if (unlikely (set_ptrs[i]->in_error ()))
         return true;
     }
-    return false;
+
+    return axes_location->in_error ()
+#ifdef HB_EXPERIMENTAL_API
+	|| name_table_overrides->in_error ()
+#endif
+	;
   }
 };
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.cc
index 74b7e3977c..71bc908ffb 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.cc
@@ -25,7 +25,9 @@
  */
 
 #include "hb-subset-plan.hh"
+#include "hb-subset-accelerator.hh"
 #include "hb-map.hh"
+#include "hb-multimap.hh"
 #include "hb-set.hh"
 
 #include "hb-ot-cmap-table.hh"
@@ -37,15 +39,16 @@
 #include "hb-ot-color-colr-table.hh"
 #include "hb-ot-color-colrv1-closure.hh"
 #include "hb-ot-var-fvar-table.hh"
+#include "hb-ot-var-avar-table.hh"
 #include "hb-ot-stat-table.hh"
 #include "hb-ot-math-table.hh"
 
-using OT::Layout::GSUB::GSUB;
+using OT::Layout::GSUB;
+using OT::Layout::GPOS;
 
-
-typedef hb_hashmap_t<unsigned, hb_set_t *> script_langsys_map;
+typedef hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> script_langsys_map;
 #ifndef HB_NO_SUBSET_CFF
-static inline void
+static inline bool
 _add_cff_seac_components (const OT::cff1::accelerator_t &cff,
 			  hb_codepoint_t gid,
 			  hb_set_t *gids_to_retain)
@@ -55,7 +58,9 @@ _add_cff_seac_components (const OT::cff1::accelerator_t &cff,
   {
     gids_to_retain->add (base_gid);
     gids_to_retain->add (accent_gid);
+    return true;
   }
+  return false;
 }
 #endif
 
@@ -80,114 +85,223 @@ static void
 _remap_indexes (const hb_set_t *indexes,
 		hb_map_t       *mapping /* OUT */)
 {
-  unsigned count = indexes->get_population ();
-
-  for (auto _ : + hb_zip (indexes->iter (), hb_range (count)))
-    mapping->set (_.first, _.second);
+  for (auto _ : + hb_enumerate (indexes->iter ()))
+    mapping->set (_.second, _.first);
 
 }
 
 #ifndef HB_NO_SUBSET_LAYOUT
-typedef void (*layout_collect_func_t) (hb_face_t *face, hb_tag_t table_tag, const hb_tag_t *scripts, const hb_tag_t *languages, const hb_tag_t *features, hb_set_t *lookup_indexes /* OUT */);
 
+/*
+ * Removes all tags from 'tags' that are not in filter. Additionally eliminates any duplicates.
+ * Returns true if anything was removed (not including duplicates).
+ */
+static bool _filter_tag_list(hb_vector_t<hb_tag_t>* tags, /* IN/OUT */
+                             const hb_set_t* filter)
+{
+  hb_vector_t<hb_tag_t> out;
+  out.alloc (tags->get_size() + 1); // +1 is to allocate room for the null terminator.
+
+  bool removed = false;
+  hb_set_t visited;
+
+  for (hb_tag_t tag : *tags)
+  {
+    if (!tag) continue;
+    if (visited.has (tag)) continue;
+
+    if (!filter->has (tag))
+    {
+      removed = true;
+      continue;
+    }
+
+    visited.add (tag);
+    out.push (tag);
+  }
+
+  // The collect function needs a null element to signal end of the array.
+  out.push (HB_TAG_NONE);
+
+  hb_swap (out, *tags);
+  return removed;
+}
 
 template <typename T>
-static void _collect_layout_indices (hb_face_t		  *face,
+static void _collect_layout_indices (hb_subset_plan_t     *plan,
                                      const T&              table,
-                                     const hb_set_t	  *layout_features_to_retain,
-                                     layout_collect_func_t layout_collect_func,
-                                     hb_set_t		  *indices /* OUT */)
+                                     hb_set_t		  *lookup_indices, /* OUT */
+                                     hb_set_t		  *feature_indices, /* OUT */
+                                     hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map, /* OUT */
+                                     hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map /* OUT */)
 {
+  unsigned num_features = table.get_feature_count ();
   hb_vector_t<hb_tag_t> features;
-  if (!features.alloc (table.get_feature_count () + 1))
+  if (!plan->check_success (features.resize (num_features))) return;
+  table.get_feature_tags (0, &num_features, features.arrayZ);
+  bool retain_all_features = !_filter_tag_list (&features, plan->layout_features);
+
+  unsigned num_scripts = table.get_script_count ();
+  hb_vector_t<hb_tag_t> scripts;
+  if (!plan->check_success (scripts.resize (num_scripts))) return;
+  table.get_script_tags (0, &num_scripts, scripts.arrayZ);
+  bool retain_all_scripts = !_filter_tag_list (&scripts, plan->layout_scripts);
+
+  if (!plan->check_success (!features.in_error ()) || !features
+      || !plan->check_success (!scripts.in_error ()) || !scripts)
     return;
 
-  hb_set_t visited_features;
-  bool retain_all_features = true;
-  for (unsigned i = 0; i < table.get_feature_count (); i++)
+  hb_ot_layout_collect_features (plan->source,
+                                 T::tableTag,
+                                 retain_all_scripts ? nullptr : scripts.arrayZ,
+                                 nullptr,
+                                 retain_all_features ? nullptr : features.arrayZ,
+                                 feature_indices);
+
+#ifndef HB_NO_VAR
+  // collect feature substitutes with variations
+  if (!plan->user_axes_location->is_empty ())
   {
-    hb_tag_t tag = table.get_feature_tag (i);
-    if (!tag) continue;
-    if (!layout_features_to_retain->has (tag))
+    hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> conditionset_map;
+    OT::hb_collect_feature_substitutes_with_var_context_t c =
     {
-      retain_all_features = false;
-      continue;
-    }
+      plan->axes_old_index_tag_map,
+      plan->axes_location,
+      feature_record_cond_idx_map,
+      feature_substitutes_map,
+      feature_indices,
+      true,
+      0,
+      &conditionset_map
+    };
+    table.collect_feature_substitutes_with_variations (&c);
+  }
+#endif
 
-    if (visited_features.has (tag))
-      continue;
+  for (unsigned feature_index : *feature_indices)
+  {
+    const OT::Feature* f = &(table.get_feature (feature_index));
+    const OT::Feature **p = nullptr;
+    if (feature_substitutes_map->has (feature_index, &p))
+      f = *p;
 
-    features.push (tag);
-    visited_features.add (tag);
+    f->add_lookup_indexes_to (lookup_indices);
   }
 
-  if (!features)
-    return;
+  table.feature_variation_collect_lookups (feature_indices, feature_substitutes_map, lookup_indices);
+}
 
-  // The collect function needs a null element to signal end of the array.
-  features.push (0);
 
-  if (retain_all_features)
+static inline void
+_GSUBGPOS_find_duplicate_features (const OT::GSUBGPOS &g,
+				   const hb_map_t *lookup_indices,
+				   const hb_set_t *feature_indices,
+				   const hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map,
+				   hb_map_t *duplicate_feature_map /* OUT */)
+{
+  if (feature_indices->is_empty ()) return;
+  hb_hashmap_t<hb_tag_t, hb::unique_ptr<hb_set_t>> unique_features;
+  //find out duplicate features after subset
+  for (unsigned i : feature_indices->iter ())
   {
-    // Looking for all features, trigger the faster collection method.
-    layout_collect_func (face,
-                         T::tableTag,
-                         nullptr,
-                         nullptr,
-                         nullptr,
-                         indices);
-    return;
-  }
+    hb_tag_t t = g.get_feature_tag (i);
+    if (t == HB_MAP_VALUE_INVALID) continue;
+    if (!unique_features.has (t))
+    {
+      if (unlikely (!unique_features.set (t, hb::unique_ptr<hb_set_t> {hb_set_create ()})))
+	return;
+      if (unique_features.has (t))
+	unique_features.get (t)->add (i);
+      duplicate_feature_map->set (i, i);
+      continue;
+    }
+
+    bool found = false;
+
+    hb_set_t* same_tag_features = unique_features.get (t);
+    for (unsigned other_f_index : same_tag_features->iter ())
+    {
+      const OT::Feature* f = &(g.get_feature (i));
+      const OT::Feature **p = nullptr;
+      if (feature_substitutes_map->has (i, &p))
+        f = *p;
+
+      const OT::Feature* other_f = &(g.get_feature (other_f_index));
+      if (feature_substitutes_map->has (other_f_index, &p))
+        f = *p;
+
+      auto f_iter =
+      + hb_iter (f->lookupIndex)
+      | hb_filter (lookup_indices)
+      ;
+
+      auto other_f_iter =
+      + hb_iter (other_f->lookupIndex)
+      | hb_filter (lookup_indices)
+      ;
+
+      bool is_equal = true;
+      for (; f_iter && other_f_iter; f_iter++, other_f_iter++)
+      {
+	unsigned a = *f_iter;
+	unsigned b = *other_f_iter;
+	if (a != b) { is_equal = false; break; }
+      }
+
+      if (is_equal == false || f_iter || other_f_iter) continue;
+
+      found = true;
+      duplicate_feature_map->set (i, other_f_index);
+      break;
+    }
 
-  layout_collect_func (face,
-                       T::tableTag,
-		       nullptr,
-		       nullptr,
-		       features.arrayZ,
-		       indices);
+    if (found == false)
+    {
+      same_tag_features->add (i);
+      duplicate_feature_map->set (i, i);
+    }
+  }
 }
 
 template <typename T>
 static inline void
-_closure_glyphs_lookups_features (hb_face_t	     *face,
+_closure_glyphs_lookups_features (hb_subset_plan_t   *plan,
 				  hb_set_t	     *gids_to_retain,
-				  const hb_set_t     *layout_features_to_retain,
 				  hb_map_t	     *lookups,
 				  hb_map_t	     *features,
-				  script_langsys_map *langsys_map)
+				  script_langsys_map *langsys_map,
+				  hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map,
+				  hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map)
 {
-  hb_blob_ptr_t<T> table = hb_sanitize_context_t ().reference_table<T> (face);
+  hb_blob_ptr_t<T> table = plan->source_table<T> ();
   hb_tag_t table_tag = table->tableTag;
-  hb_set_t lookup_indices;
-  _collect_layout_indices<T> (face,
+  hb_set_t lookup_indices, feature_indices;
+  _collect_layout_indices<T> (plan,
                               *table,
-                              layout_features_to_retain,
-                              hb_ot_layout_collect_lookups,
-                              &lookup_indices);
+                              &lookup_indices,
+                              &feature_indices,
+                              feature_record_cond_idx_map,
+                              feature_substitutes_map);
 
   if (table_tag == HB_OT_TAG_GSUB)
-    hb_ot_layout_lookups_substitute_closure (face,
-					    &lookup_indices,
+    hb_ot_layout_lookups_substitute_closure (plan->source,
+                                             &lookup_indices,
 					     gids_to_retain);
-  table->closure_lookups (face,
+  table->closure_lookups (plan->source,
 			  gids_to_retain,
-			 &lookup_indices);
+                          &lookup_indices);
   _remap_indexes (&lookup_indices, lookups);
 
-  // Collect and prune features
-  hb_set_t feature_indices;
-  _collect_layout_indices<T> (face,
-                              *table,
-                              layout_features_to_retain,
-                              hb_ot_layout_collect_features,
-                              &feature_indices);
-
-  table->prune_features (lookups, &feature_indices);
+  // prune features
+  table->prune_features (lookups,
+                         plan->user_axes_location->is_empty () ? nullptr : feature_record_cond_idx_map,
+                         feature_substitutes_map,
+                         &feature_indices);
   hb_map_t duplicate_feature_map;
-  table->find_duplicate_features (lookups, &feature_indices, &duplicate_feature_map);
+  _GSUBGPOS_find_duplicate_features (*table, lookups, &feature_indices, feature_substitutes_map, &duplicate_feature_map);
 
   feature_indices.clear ();
-  table->prune_langsys (&duplicate_feature_map, langsys_map, &feature_indices);
+  table->prune_langsys (&duplicate_feature_map, plan->layout_scripts, langsys_map, &feature_indices);
   _remap_indexes (&feature_indices, features);
 
   table.destroy ();
@@ -197,14 +311,51 @@ _closure_glyphs_lookups_features (hb_face_t	     *face,
 
 #ifndef HB_NO_VAR
 static inline void
-  _collect_layout_variation_indices (hb_face_t *face,
-				     const hb_set_t *glyphset,
-				     const hb_map_t *gpos_lookups,
-				     hb_set_t  *layout_variation_indices,
-				     hb_map_t  *layout_variation_idx_map)
+_generate_varstore_inner_maps (const hb_set_t& varidx_set,
+                               unsigned subtable_count,
+                               hb_vector_t<hb_inc_bimap_t> &inner_maps /* OUT */)
+{
+  if (varidx_set.is_empty () || subtable_count == 0) return;
+
+  inner_maps.resize (subtable_count);
+  for (unsigned idx : varidx_set)
+  {
+    uint16_t major = idx >> 16;
+    uint16_t minor = idx & 0xFFFF;
+
+    if (major >= subtable_count)
+      continue;
+    inner_maps[major].add (minor);
+  }
+}
+
+static inline hb_font_t*
+_get_hb_font_with_variations (const hb_subset_plan_t *plan)
+{
+  hb_font_t *font = hb_font_create (plan->source);
+
+  hb_vector_t<hb_variation_t> vars;
+  vars.alloc (plan->user_axes_location->get_population ());
+
+  for (auto _ : *plan->user_axes_location)
+  {
+    hb_variation_t var;
+    var.tag = _.first;
+    var.value = _.second;
+    vars.push (var);
+  }
+
+#ifndef HB_NO_VAR
+  hb_font_set_variations (font, vars.arrayZ, plan->user_axes_location->get_population ());
+#endif
+  return font;
+}
+
+static inline void
+_collect_layout_variation_indices (hb_subset_plan_t* plan)
 {
-  hb_blob_ptr_t<OT::GDEF> gdef = hb_sanitize_context_t ().reference_table<OT::GDEF> (face);
-  hb_blob_ptr_t<OT::GPOS> gpos = hb_sanitize_context_t ().reference_table<OT::GPOS> (face);
+  hb_blob_ptr_t<OT::GDEF> gdef = plan->source_table<OT::GDEF> ();
+  hb_blob_ptr_t<GPOS> gpos = plan->source_table<GPOS> ();
 
   if (!gdef->has_data ())
   {
@@ -212,13 +363,40 @@ static inline void
     gpos.destroy ();
     return;
   }
-  OT::hb_collect_variation_indices_context_t c (layout_variation_indices, glyphset, gpos_lookups);
+
+  const OT::VariationStore *var_store = nullptr;
+  hb_set_t varidx_set;
+  hb_font_t *font = nullptr;
+  float *store_cache = nullptr;
+  bool collect_delta = plan->pinned_at_default ? false : true;
+  if (collect_delta)
+  {
+    font = _get_hb_font_with_variations (plan);
+    if (gdef->has_var_store ())
+    {
+      var_store = &(gdef->get_var_store ());
+      store_cache = var_store->create_cache ();
+    }
+  }
+
+  OT::hb_collect_variation_indices_context_t c (&varidx_set,
+                                                plan->layout_variation_idx_delta_map,
+                                                font, var_store,
+                                                plan->_glyphset_gsub,
+                                                plan->gpos_lookups,
+                                                store_cache);
   gdef->collect_variation_indices (&c);
 
-  if (hb_ot_layout_has_positioning (face))
+  if (hb_ot_layout_has_positioning (plan->source))
     gpos->collect_variation_indices (&c);
 
-  gdef->remap_layout_variation_indices (layout_variation_indices, layout_variation_idx_map);
+  hb_font_destroy (font);
+  var_store->destroy_cache (store_cache);
+
+  gdef->remap_layout_variation_indices (&varidx_set, plan->layout_variation_idx_delta_map);
+
+  unsigned subtable_count = gdef->has_var_store () ? gdef->get_var_store ().get_sub_table_count () : 0;
+  _generate_varstore_inner_maps (varidx_set, subtable_count, plan->gdef_varstore_inner_maps);
 
   gdef.destroy ();
   gpos.destroy ();
@@ -242,22 +420,16 @@ static void _colr_closure (hb_face_t *face,
   OT::COLR::accelerator_t colr (face);
   if (!colr.is_valid ()) return;
 
-  unsigned iteration_count = 0;
   hb_set_t palette_indices, layer_indices;
-  unsigned glyphs_num;
-  {
-    glyphs_num = glyphs_colred->get_population ();
-    // Collect all glyphs referenced by COLRv0
-    hb_set_t glyphset_colrv0;
-    for (hb_codepoint_t gid : glyphs_colred->iter ())
-      colr.closure_glyphs (gid, &glyphset_colrv0);
+  // Collect all glyphs referenced by COLRv0
+  hb_set_t glyphset_colrv0;
+  for (hb_codepoint_t gid : *glyphs_colred)
+    colr.closure_glyphs (gid, &glyphset_colrv0);
 
-    glyphs_colred->union_ (glyphset_colrv0);
+  glyphs_colred->union_ (glyphset_colrv0);
 
-    //closure for COLRv1
-    colr.closure_forV1 (glyphs_colred, &layer_indices, &palette_indices);
-  } while (iteration_count++ <= HB_CLOSURE_MAX_STAGES &&
-           glyphs_num != glyphs_colred->get_population ());
+  //closure for COLRv1
+  colr.closure_forV1 (glyphs_colred, &layer_indices, &palette_indices);
 
   colr.closure_V0palette_indices (glyphs_colred, &palette_indices);
   _remap_indexes (&layer_indices, layers_map);
@@ -265,10 +437,10 @@ static void _colr_closure (hb_face_t *face,
 }
 
 static inline void
-_math_closure (hb_face_t           *face,
-               hb_set_t            *glyphset)
+_math_closure (hb_subset_plan_t *plan,
+               hb_set_t         *glyphset)
 {
-  hb_blob_ptr_t<OT::MATH> math = hb_sanitize_context_t ().reference_table<OT::MATH> (face);
+  hb_blob_ptr_t<OT::MATH> math = plan->source_table<OT::MATH> ();
   if (math->has_data ())
     math->closure_glyphs (glyphset);
   math.destroy ();
@@ -279,12 +451,7 @@ static inline void
 _remove_invalid_gids (hb_set_t *glyphs,
 		      unsigned int num_glyphs)
 {
-  hb_codepoint_t gid = HB_SET_VALUE_INVALID;
-  while (glyphs->next (&gid))
-  {
-    if (gid >= num_glyphs)
-      glyphs->del (gid);
-  }
+  glyphs->del_range (num_glyphs, HB_SET_VALUE_INVALID);
 }
 
 static void
@@ -293,44 +460,112 @@ _populate_unicodes_to_retain (const hb_set_t *unicodes,
                               hb_subset_plan_t *plan)
 {
   OT::cmap::accelerator_t cmap (plan->source);
-
-  constexpr static const int size_threshold = 4096;
-
+  unsigned size_threshold = plan->source->get_num_glyphs ();
   if (glyphs->is_empty () && unicodes->get_population () < size_threshold)
   {
-    /* This is the fast path if it's anticipated that size of unicodes
-     * is << than the number of codepoints in the font. */
-    for (hb_codepoint_t cp : *unicodes)
-    {
-      hb_codepoint_t gid;
-      if (!cmap.get_nominal_glyph (cp, &gid))
+
+    const hb_map_t* unicode_to_gid = nullptr;
+    if (plan->accelerator)
+      unicode_to_gid = &plan->accelerator->unicode_to_gid;
+
+    // This is approach to collection is faster, but can only be used  if glyphs
+    // are not being explicitly added to the subset and the input unicodes set is
+    // not excessively large (eg. an inverted set).
+    plan->unicode_to_new_gid_list.alloc (unicodes->get_population ());
+    if (!unicode_to_gid) {
+      for (hb_codepoint_t cp : *unicodes)
       {
-        DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp);
-        continue;
+        hb_codepoint_t gid;
+        if (!cmap.get_nominal_glyph (cp, &gid))
+        {
+          DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp);
+          continue;
+        }
+
+        plan->codepoint_to_glyph->set (cp, gid);
+        plan->unicode_to_new_gid_list.push (hb_pair (cp, gid));
+      }
+    } else {
+      // Use in memory unicode to gid map it's faster then looking up from
+      // the map. This code is mostly duplicated from above to avoid doing
+      // conditionals on the presence of the unicode_to_gid map each
+      // iteration.
+      for (hb_codepoint_t cp : *unicodes)
+      {
+        hb_codepoint_t gid = unicode_to_gid->get (cp);
+        if (gid == HB_MAP_VALUE_INVALID)
+        {
+          DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp);
+          continue;
+        }
+
+        plan->codepoint_to_glyph->set (cp, gid);
+        plan->unicode_to_new_gid_list.push (hb_pair (cp, gid));
       }
-
-      plan->codepoint_to_glyph->set (cp, gid);
     }
   }
   else
   {
-    hb_map_t unicode_glyphid_map;
-    cmap.collect_mapping (hb_set_get_empty (), &unicode_glyphid_map);
+    // This approach is slower, but can handle adding in glyphs to the subset and will match
+    // them with cmap entries.
+
+    hb_map_t unicode_glyphid_map_storage;
+    hb_set_t cmap_unicodes_storage;
+    const hb_map_t* unicode_glyphid_map = &unicode_glyphid_map_storage;
+    const hb_set_t* cmap_unicodes = &cmap_unicodes_storage;
+
+    if (!plan->accelerator) {
+      cmap.collect_mapping (&cmap_unicodes_storage, &unicode_glyphid_map_storage);
+      plan->unicode_to_new_gid_list.alloc (hb_min(unicodes->get_population ()
+                                                  + glyphs->get_population (),
+                                                  cmap_unicodes->get_population ()));
+    } else {
+      unicode_glyphid_map = &plan->accelerator->unicode_to_gid;
+      cmap_unicodes = &plan->accelerator->unicodes;
+    }
+
+    if (plan->accelerator &&
+	unicodes->get_population () < cmap_unicodes->get_population () &&
+	glyphs->get_population () < cmap_unicodes->get_population ())
+    {
+      auto &gid_to_unicodes = plan->accelerator->gid_to_unicodes;
+      for (hb_codepoint_t gid : *glyphs)
+      {
+        auto unicodes = gid_to_unicodes.get (gid);
 
-    for (hb_pair_t<hb_codepoint_t, hb_codepoint_t> cp_gid :
-	 + unicode_glyphid_map.iter ())
+	for (hb_codepoint_t cp : unicodes)
+	{
+	  plan->codepoint_to_glyph->set (cp, gid);
+	  plan->unicode_to_new_gid_list.push (hb_pair (cp, gid));
+	}
+      }
+      for (hb_codepoint_t cp : *unicodes)
+      {
+	/* Don't double-add entry. */
+	if (plan->codepoint_to_glyph->has (cp))
+	  continue;
+
+	hb_codepoint_t gid = (*unicode_glyphid_map)[cp];
+	plan->codepoint_to_glyph->set (cp, gid);
+	plan->unicode_to_new_gid_list.push (hb_pair (cp, gid));
+      }
+      plan->unicode_to_new_gid_list.qsort ();
+    }
+    else
     {
-      if (!unicodes->has (cp_gid.first) && !glyphs->has (cp_gid.second))
-	continue;
+      for (hb_codepoint_t cp : *cmap_unicodes)
+      {
+	hb_codepoint_t gid = (*unicode_glyphid_map)[cp];
+	if (!unicodes->has (cp) && !glyphs->has (gid))
+	  continue;
 
-      plan->codepoint_to_glyph->set (cp_gid.first, cp_gid.second);
+	plan->codepoint_to_glyph->set (cp, gid);
+	plan->unicode_to_new_gid_list.push (hb_pair (cp, gid));
+      }
     }
 
     /* Add gids which where requested, but not mapped in cmap */
-    // TODO(garretrieger):
-    // Once https://github.com/harfbuzz/harfbuzz/issues/3169
-    // is implemented, this can be done with union and del_range
-    for (hb_codepoint_t gid : glyphs->iter ())
+    for (hb_codepoint_t gid : *glyphs)
     {
       if (gid >= plan->source->get_num_glyphs ())
 	break;
@@ -338,17 +573,48 @@ _populate_unicodes_to_retain (const hb_set_t *unicodes,
     }
   }
 
-  + plan->codepoint_to_glyph->keys ()   | hb_sink (plan->unicodes);
-  + plan->codepoint_to_glyph->values () | hb_sink (plan->_glyphset_gsub);
+  auto &arr = plan->unicode_to_new_gid_list;
+  if (arr.length)
+  {
+    plan->unicodes->add_sorted_array (&arr.arrayZ->first, arr.length, sizeof (*arr.arrayZ));
+    plan->_glyphset_gsub->add_array (&arr.arrayZ->second, arr.length, sizeof (*arr.arrayZ));
+  }
+}
+
+#ifndef HB_COMPOSITE_OPERATIONS_PER_GLYPH
+#define HB_COMPOSITE_OPERATIONS_PER_GLYPH 64
+#endif
+
+static unsigned
+_glyf_add_gid_and_children (const OT::glyf_accelerator_t &glyf,
+			    hb_codepoint_t gid,
+			    hb_set_t *gids_to_retain,
+			    int operation_count,
+			    unsigned depth = 0)
+{
+  if (unlikely (depth++ > HB_MAX_NESTING_LEVEL)) return operation_count;
+  if (unlikely (--operation_count < 0)) return operation_count;
+  /* Check if is already visited */
+  if (gids_to_retain->has (gid)) return operation_count;
+
+  gids_to_retain->add (gid);
+
+  for (auto item : glyf.glyph_for_gid (gid).get_composite_iterator ())
+    operation_count =
+      _glyf_add_gid_and_children (glyf,
+				  item.get_gid (),
+				  gids_to_retain,
+				  operation_count,
+				  depth);
+
+  return operation_count;
 }
 
 static void
 _populate_gids_to_retain (hb_subset_plan_t* plan,
-			  bool close_over_gsub,
-			  bool close_over_gpos,
-			  bool close_over_gdef)
+		          hb_set_t* drop_tables)
 {
-  OT::glyf::accelerator_t glyf (plan->source);
+  OT::glyf_accelerator_t glyf (plan->source);
 #ifndef HB_NO_SUBSET_CFF
   OT::cff1::accelerator_t cff (plan->source);
 #endif
@@ -358,61 +624,89 @@ _populate_gids_to_retain (hb_subset_plan_t* plan,
   _cmap_closure (plan->source, plan->unicodes, plan->_glyphset_gsub);
 
 #ifndef HB_NO_SUBSET_LAYOUT
-  if (close_over_gsub)
+  if (!drop_tables->has (HB_OT_TAG_GSUB))
     // closure all glyphs/lookups/features needed for GSUB substitutions.
     _closure_glyphs_lookups_features<GSUB> (
-        plan->source,
+        plan,
         plan->_glyphset_gsub,
-        plan->layout_features,
         plan->gsub_lookups,
         plan->gsub_features,
-        plan->gsub_langsys);
+        plan->gsub_langsys,
+        plan->gsub_feature_record_cond_idx_map,
+        plan->gsub_feature_substitutes_map);
 
-  if (close_over_gpos)
-    _closure_glyphs_lookups_features<OT::GPOS> (
-        plan->source,
+  if (!drop_tables->has (HB_OT_TAG_GPOS))
+    _closure_glyphs_lookups_features<GPOS> (
+        plan,
         plan->_glyphset_gsub,
-        plan->layout_features,
         plan->gpos_lookups,
         plan->gpos_features,
-        plan->gpos_langsys);
+        plan->gpos_langsys,
+        plan->gpos_feature_record_cond_idx_map,
+        plan->gpos_feature_substitutes_map);
 #endif
   _remove_invalid_gids (plan->_glyphset_gsub, plan->source->get_num_glyphs ());
 
   hb_set_set (plan->_glyphset_mathed, plan->_glyphset_gsub);
-  _math_closure (plan->source, plan->_glyphset_mathed);
-  _remove_invalid_gids (plan->_glyphset_mathed, plan->source->get_num_glyphs ());
+  if (!drop_tables->has (HB_OT_TAG_MATH))
+  {
+    _math_closure (plan, plan->_glyphset_mathed);
+    _remove_invalid_gids (plan->_glyphset_mathed, plan->source->get_num_glyphs ());
+  }
 
   hb_set_t cur_glyphset = *plan->_glyphset_mathed;
-  _colr_closure (plan->source, plan->colrv1_layers, plan->colr_palettes, &cur_glyphset);
-  _remove_invalid_gids (&cur_glyphset, plan->source->get_num_glyphs ());
+  if (!drop_tables->has (HB_OT_TAG_COLR))
+  {
+    _colr_closure (plan->source, plan->colrv1_layers, plan->colr_palettes, &cur_glyphset);
+    _remove_invalid_gids (&cur_glyphset, plan->source->get_num_glyphs ());
+  }
 
   hb_set_set (plan->_glyphset_colred, &cur_glyphset);
-  // Populate a full set of glyphs to retain by adding all referenced
-  // composite glyphs.
-  for (hb_codepoint_t gid : cur_glyphset.iter ())
-  {
-    glyf.add_gid_and_children (gid, plan->_glyphset);
+
+  /* Populate a full set of glyphs to retain by adding all referenced
+   * composite glyphs. */
+  if (glyf.has_data ())
+    for (hb_codepoint_t gid : cur_glyphset)
+      _glyf_add_gid_and_children (glyf, gid, plan->_glyphset,
+				  cur_glyphset.get_population () * HB_COMPOSITE_OPERATIONS_PER_GLYPH);
+  else
+    plan->_glyphset->union_ (cur_glyphset);
 #ifndef HB_NO_SUBSET_CFF
+  if (!plan->accelerator || plan->accelerator->has_seac)
+  {
+    bool has_seac = false;
     if (cff.is_valid ())
-      _add_cff_seac_components (cff, gid, plan->_glyphset);
-#endif
+      for (hb_codepoint_t gid : cur_glyphset)
+	if (_add_cff_seac_components (cff, gid, plan->_glyphset))
+	  has_seac = true;
+    plan->has_seac = has_seac;
   }
+#endif
 
   _remove_invalid_gids (plan->_glyphset, plan->source->get_num_glyphs ());
 
 
 #ifndef HB_NO_VAR
-  if (close_over_gdef)
-    _collect_layout_variation_indices (plan->source,
-				       plan->_glyphset_gsub,
-				       plan->gpos_lookups,
-				       plan->layout_variation_indices,
-				       plan->layout_variation_idx_map);
+  if (!drop_tables->has (HB_OT_TAG_GDEF))
+    _collect_layout_variation_indices (plan);
 #endif
 }
 
 static void
+_create_glyph_map_gsub (const hb_set_t* glyph_set_gsub,
+                        const hb_map_t* glyph_map,
+                        hb_map_t* out)
+{
+  + hb_iter (glyph_set_gsub)
+  | hb_map ([&] (hb_codepoint_t gid) {
+    return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid,
+                                                      glyph_map->get (gid));
+  })
+  | hb_sink (out)
+  ;
+}
+
+static void
 _create_old_gid_to_new_gid_map (const hb_face_t *face,
 				bool		 retain_gids,
 				const hb_set_t	*all_gids_to_retain,
@@ -420,13 +714,19 @@ _create_old_gid_to_new_gid_map (const hb_face_t *face,
 				hb_map_t	*reverse_glyph_map, /* OUT */
 				unsigned int	*num_glyphs /* OUT */)
 {
+  unsigned pop = all_gids_to_retain->get_population ();
+  reverse_glyph_map->resize (pop);
+  glyph_map->resize (pop);
+
   if (!retain_gids)
   {
     + hb_enumerate (hb_iter (all_gids_to_retain), (hb_codepoint_t) 0)
     | hb_sink (reverse_glyph_map)
     ;
     *num_glyphs = reverse_glyph_map->get_population ();
-  } else {
+  }
+  else
+  {
     + hb_iter (all_gids_to_retain)
     | hb_map ([] (hb_codepoint_t _) {
 		return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (_, _);
@@ -434,10 +734,9 @@ _create_old_gid_to_new_gid_map (const hb_face_t *face,
     | hb_sink (reverse_glyph_map)
     ;
 
-    unsigned max_glyph =
-    + hb_iter (all_gids_to_retain)
-    | hb_reduce (hb_max, 0u)
-    ;
+    hb_codepoint_t max_glyph = HB_SET_VALUE_INVALID;
+    hb_set_previous (all_gids_to_retain, &max_glyph);
+
     *num_glyphs = max_glyph + 1;
   }
 
@@ -449,16 +748,65 @@ _create_old_gid_to_new_gid_map (const hb_face_t *face,
 
 static void
 _nameid_closure (hb_face_t *face,
-		 hb_set_t  *nameids)
+		 hb_set_t  *nameids,
+		 bool all_axes_pinned,
+		 hb_hashmap_t<hb_tag_t, float> *user_axes_location)
 {
 #ifndef HB_NO_STYLE
-  face->table.STAT->collect_name_ids (nameids);
+  face->table.STAT->collect_name_ids (user_axes_location, nameids);
 #endif
 #ifndef HB_NO_VAR
-  face->table.fvar->collect_name_ids (nameids);
+  if (!all_axes_pinned)
+    face->table.fvar->collect_name_ids (user_axes_location, nameids);
 #endif
 }
 
+#ifndef HB_NO_VAR
+static void
+_normalize_axes_location (hb_face_t *face, hb_subset_plan_t *plan)
+{
+  if (plan->user_axes_location->is_empty ())
+    return;
+
+  hb_array_t<const OT::AxisRecord> axes = face->table.fvar->get_axes ();
+
+  bool has_avar = face->table.avar->has_data ();
+  const OT::SegmentMaps *seg_maps = nullptr;
+  if (has_avar)
+    seg_maps = face->table.avar->get_segment_maps ();
+
+  bool axis_not_pinned = false;
+  unsigned old_axis_idx = 0, new_axis_idx = 0;
+  for (const auto& axis : axes)
+  {
+    hb_tag_t axis_tag = axis.get_axis_tag ();
+    plan->axes_old_index_tag_map->set (old_axis_idx, axis_tag);
+
+    if (!plan->user_axes_location->has (axis_tag))
+    {
+      axis_not_pinned = true;
+      plan->axes_index_map->set (old_axis_idx, new_axis_idx);
+      new_axis_idx++;
+    }
+    else
+    {
+      int normalized_v = axis.normalize_axis_value (plan->user_axes_location->get (axis_tag));
+      if (has_avar && old_axis_idx < face->table.avar->get_axis_count ())
+      {
+        normalized_v = seg_maps->map (normalized_v);
+      }
+      plan->axes_location->set (axis_tag, normalized_v);
+      if (normalized_v != 0)
+        plan->pinned_at_default = false;
+    }
+    if (has_avar)
+      seg_maps = &StructAfter<OT::SegmentMaps> (*seg_maps);
+
+    old_axis_idx++;
+  }
+  plan->all_axes_pinned = !axis_not_pinned;
+}
+#endif
 /**
  * hb_subset_plan_create_or_fail:
  * @face: font face to create the plan for.
@@ -485,10 +833,13 @@ hb_subset_plan_create_or_fail (hb_face_t	 *face,
   plan->successful = true;
   plan->flags = input->flags;
   plan->unicodes = hb_set_create ();
+
+  plan->unicode_to_new_gid_list.init ();
+
   plan->name_ids = hb_set_copy (input->sets.name_ids);
-  _nameid_closure (face, plan->name_ids);
   plan->name_languages = hb_set_copy (input->sets.name_languages);
   plan->layout_features = hb_set_copy (input->sets.layout_features);
+  plan->layout_scripts = hb_set_copy (input->sets.layout_scripts);
   plan->glyphs_requested = hb_set_copy (input->sets.glyphs);
   plan->drop_tables = hb_set_copy (input->sets.drop_tables);
   plan->no_subset_tables = hb_set_copy (input->sets.no_subset_tables);
@@ -502,32 +853,78 @@ hb_subset_plan_create_or_fail (hb_face_t	 *face,
   plan->codepoint_to_glyph = hb_map_create ();
   plan->glyph_map = hb_map_create ();
   plan->reverse_glyph_map = hb_map_create ();
+  plan->glyph_map_gsub = hb_map_create ();
   plan->gsub_lookups = hb_map_create ();
   plan->gpos_lookups = hb_map_create ();
 
-  if (plan->check_success (plan->gsub_langsys = hb_object_create<script_langsys_map> ()))
-    plan->gsub_langsys->init_shallow ();
-  if (plan->check_success (plan->gpos_langsys = hb_object_create<script_langsys_map> ()))
-    plan->gpos_langsys->init_shallow ();
+  plan->check_success (plan->gsub_langsys = hb_hashmap_create<unsigned, hb::unique_ptr<hb_set_t>> ());
+  plan->check_success (plan->gpos_langsys = hb_hashmap_create<unsigned, hb::unique_ptr<hb_set_t>> ());
 
   plan->gsub_features = hb_map_create ();
   plan->gpos_features = hb_map_create ();
+
+  plan->check_success (plan->gsub_feature_record_cond_idx_map = hb_hashmap_create<unsigned, hb::shared_ptr<hb_set_t>> ());
+  plan->check_success (plan->gpos_feature_record_cond_idx_map = hb_hashmap_create<unsigned, hb::shared_ptr<hb_set_t>> ());
+
+  plan->check_success (plan->gsub_feature_substitutes_map = hb_hashmap_create<unsigned, const OT::Feature*> ());
+  plan->check_success (plan->gpos_feature_substitutes_map = hb_hashmap_create<unsigned, const OT::Feature*> ());
+
   plan->colrv1_layers = hb_map_create ();
   plan->colr_palettes = hb_map_create ();
-  plan->layout_variation_indices = hb_set_create ();
-  plan->layout_variation_idx_map = hb_map_create ();
+  plan->check_success (plan->layout_variation_idx_delta_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ());
+  plan->gdef_varstore_inner_maps.init ();
+
+  plan->check_success (plan->sanitized_table_cache = hb_hashmap_create<hb_tag_t, hb::unique_ptr<hb_blob_t>> ());
+  plan->check_success (plan->axes_location = hb_hashmap_create<hb_tag_t, int> ());
+  plan->check_success (plan->user_axes_location = hb_hashmap_create<hb_tag_t, float> ());
+  if (plan->user_axes_location && input->axes_location)
+      *plan->user_axes_location = *input->axes_location;
+  plan->check_success (plan->axes_index_map = hb_map_create ());
+  plan->check_success (plan->axes_old_index_tag_map = hb_map_create ());
+  plan->all_axes_pinned = false;
+  plan->pinned_at_default = true;
+
+  plan->check_success (plan->vmtx_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ());
+  plan->check_success (plan->hmtx_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ());
+
+#ifdef HB_EXPERIMENTAL_API
+  plan->check_success (plan->name_table_overrides = hb_hashmap_create<hb_ot_name_record_ids_t, hb_bytes_t> ());
+  if (plan->name_table_overrides && input->name_table_overrides)
+  {
+    for (auto _ : *input->name_table_overrides)
+    {
+      hb_bytes_t name_bytes = _.second;
+      unsigned len = name_bytes.length;
+      char *name_str = (char *) hb_malloc (len);
+      if (unlikely (!plan->check_success (name_str)))
+        break;
+
+      hb_memcpy (name_str, name_bytes.arrayZ, len);
+      plan->name_table_overrides->set (_.first, hb_bytes_t (name_str, len));
+    }
+  }
+#endif
+
+  void* accel = hb_face_get_user_data(face, hb_subset_accelerator_t::user_data_key());
+
+  plan->attach_accelerator_data = input->attach_accelerator_data;
+  plan->force_long_loca = input->force_long_loca;
+  if (accel)
+    plan->accelerator = (hb_subset_accelerator_t*) accel;
+
 
   if (unlikely (plan->in_error ())) {
     hb_subset_plan_destroy (plan);
     return nullptr;
   }
 
+#ifndef HB_NO_VAR
+  _normalize_axes_location (face, plan);
+#endif
+
   _populate_unicodes_to_retain (input->sets.unicodes, input->sets.glyphs, plan);
 
-  _populate_gids_to_retain (plan,
-			    !input->sets.drop_tables->has (HB_OT_TAG_GSUB),
-			    !input->sets.drop_tables->has (HB_OT_TAG_GPOS),
-			    !input->sets.drop_tables->has (HB_OT_TAG_GDEF));
+  _populate_gids_to_retain (plan, input->sets.drop_tables);
 
   _create_old_gid_to_new_gid_map (face,
                                   input->flags & HB_SUBSET_FLAGS_RETAIN_GIDS,
@@ -536,10 +933,46 @@ hb_subset_plan_create_or_fail (hb_face_t	 *face,
 				  plan->reverse_glyph_map,
 				  &plan->_num_output_glyphs);
 
+  _create_glyph_map_gsub (
+      plan->_glyphset_gsub,
+      plan->glyph_map,
+      plan->glyph_map_gsub);
+
+  // Now that we have old to new gid map update the unicode to new gid list.
+  for (unsigned i = 0; i < plan->unicode_to_new_gid_list.length; i++)
+  {
+    // Use raw array access for performance.
+    plan->unicode_to_new_gid_list.arrayZ[i].second =
+        plan->glyph_map->get(plan->unicode_to_new_gid_list.arrayZ[i].second);
+  }
+
+  _nameid_closure (face, plan->name_ids, plan->all_axes_pinned, plan->user_axes_location);
   if (unlikely (plan->in_error ())) {
     hb_subset_plan_destroy (plan);
     return nullptr;
   }
+
+
+  if (plan->attach_accelerator_data)
+  {
+    hb_multimap_t gid_to_unicodes;
+
+    hb_map_t &unicode_to_gid = *plan->codepoint_to_glyph;
+
+    for (auto unicode : *plan->unicodes)
+    {
+      auto gid = unicode_to_gid[unicode];
+      gid_to_unicodes.add (gid, unicode);
+    }
+
+    plan->inprogress_accelerator =
+      hb_subset_accelerator_t::create (*plan->codepoint_to_glyph,
+				       gid_to_unicodes,
+                                       *plan->unicodes,
+				       plan->has_seac);
+  }
+
+
   return plan;
 }
 
@@ -557,51 +990,6 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan)
 {
   if (!hb_object_destroy (plan)) return;
 
-  hb_set_destroy (plan->unicodes);
-  hb_set_destroy (plan->name_ids);
-  hb_set_destroy (plan->name_languages);
-  hb_set_destroy (plan->layout_features);
-  hb_set_destroy (plan->glyphs_requested);
-  hb_set_destroy (plan->drop_tables);
-  hb_set_destroy (plan->no_subset_tables);
-  hb_face_destroy (plan->source);
-  hb_face_destroy (plan->dest);
-  hb_map_destroy (plan->codepoint_to_glyph);
-  hb_map_destroy (plan->glyph_map);
-  hb_map_destroy (plan->reverse_glyph_map);
-  hb_set_destroy (plan->_glyphset);
-  hb_set_destroy (plan->_glyphset_gsub);
-  hb_set_destroy (plan->_glyphset_mathed);
-  hb_set_destroy (plan->_glyphset_colred);
-  hb_map_destroy (plan->gsub_lookups);
-  hb_map_destroy (plan->gpos_lookups);
-  hb_map_destroy (plan->gsub_features);
-  hb_map_destroy (plan->gpos_features);
-  hb_map_destroy (plan->colrv1_layers);
-  hb_map_destroy (plan->colr_palettes);
-  hb_set_destroy (plan->layout_variation_indices);
-  hb_map_destroy (plan->layout_variation_idx_map);
-
-  if (plan->gsub_langsys)
-  {
-    for (auto _ : plan->gsub_langsys->iter ())
-      hb_set_destroy (_.second);
-
-    hb_object_destroy (plan->gsub_langsys);
-    plan->gsub_langsys->fini_shallow ();
-    hb_free (plan->gsub_langsys);
-  }
-
-  if (plan->gpos_langsys)
-  {
-    for (auto _ : plan->gpos_langsys->iter ())
-      hb_set_destroy (_.second);
-
-    hb_object_destroy (plan->gpos_langsys);
-    plan->gpos_langsys->fini_shallow ();
-    hb_free (plan->gpos_langsys);
-  }
-
   hb_free (plan);
 }
 
@@ -685,7 +1073,7 @@ hb_subset_plan_reference (hb_subset_plan_t *plan)
  *
  * Attaches a user-data key/data pair to the given subset plan object.
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 4.0.0
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.hh b/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.hh
index ab2c4c302c..1b2aee7825 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-plan.hh
@@ -31,19 +31,91 @@
 
 #include "hb-subset.h"
 #include "hb-subset-input.hh"
+#include "hb-subset-accelerator.hh"
 
 #include "hb-map.hh"
+#include "hb-bimap.hh"
 #include "hb-set.hh"
 
+namespace OT {
+struct Feature;
+}
+
 struct hb_subset_plan_t
 {
+  hb_subset_plan_t ()
+  {}
+
+  ~hb_subset_plan_t()
+  {
+    hb_set_destroy (unicodes);
+    hb_set_destroy (name_ids);
+    hb_set_destroy (name_languages);
+    hb_set_destroy (layout_features);
+    hb_set_destroy (layout_scripts);
+    hb_set_destroy (glyphs_requested);
+    hb_set_destroy (drop_tables);
+    hb_set_destroy (no_subset_tables);
+    hb_face_destroy (source);
+    hb_face_destroy (dest);
+    hb_map_destroy (codepoint_to_glyph);
+    hb_map_destroy (glyph_map);
+    hb_map_destroy (reverse_glyph_map);
+    hb_map_destroy (glyph_map_gsub);
+    hb_set_destroy (_glyphset);
+    hb_set_destroy (_glyphset_gsub);
+    hb_set_destroy (_glyphset_mathed);
+    hb_set_destroy (_glyphset_colred);
+    hb_map_destroy (gsub_lookups);
+    hb_map_destroy (gpos_lookups);
+    hb_map_destroy (gsub_features);
+    hb_map_destroy (gpos_features);
+    hb_map_destroy (colrv1_layers);
+    hb_map_destroy (colr_palettes);
+    hb_map_destroy (axes_index_map);
+    hb_map_destroy (axes_old_index_tag_map);
+
+    hb_hashmap_destroy (gsub_langsys);
+    hb_hashmap_destroy (gpos_langsys);
+    hb_hashmap_destroy (gsub_feature_record_cond_idx_map);
+    hb_hashmap_destroy (gpos_feature_record_cond_idx_map);
+    hb_hashmap_destroy (gsub_feature_substitutes_map);
+    hb_hashmap_destroy (gpos_feature_substitutes_map);
+    hb_hashmap_destroy (axes_location);
+    hb_hashmap_destroy (sanitized_table_cache);
+    hb_hashmap_destroy (hmtx_map);
+    hb_hashmap_destroy (vmtx_map);
+    hb_hashmap_destroy (layout_variation_idx_delta_map);
+
+#ifdef HB_EXPERIMENTAL_API
+    if (name_table_overrides)
+    {
+      for (auto _ : *name_table_overrides)
+        _.second.fini ();
+    }
+    hb_hashmap_destroy (name_table_overrides);
+#endif
+
+    if (inprogress_accelerator)
+      hb_subset_accelerator_t::destroy ((void*) inprogress_accelerator);
+
+    if (user_axes_location)
+    {
+      hb_object_destroy (user_axes_location);
+      hb_free (user_axes_location);
+    }
+  }
+
   hb_object_header_t header;
 
   bool successful;
   unsigned flags;
+  bool attach_accelerator_data = false;
+  bool force_long_loca = false;
 
   // For each cp that we'd like to retain maps to the corresponding gid.
   hb_set_t *unicodes;
+  hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> unicode_to_new_gid_list;
 
   // name_ids we would like to retain
   hb_set_t *name_ids;
@@ -54,6 +126,9 @@ struct hb_subset_plan_t
   //layout features which will be preserved
   hb_set_t *layout_features;
 
+  // layout scripts which will be preserved.
+  hb_set_t *layout_scripts;
+
   //glyph ids requested to retain
   hb_set_t *glyphs_requested;
 
@@ -69,6 +144,7 @@ struct hb_subset_plan_t
   // Old -> New glyph id mapping
   hb_map_t *glyph_map;
   hb_map_t *reverse_glyph_map;
+  hb_map_t *glyph_map_gsub;
 
   // Plan is only good for a specific source/dest so keep them with it
   hb_face_t *source;
@@ -85,24 +161,82 @@ struct hb_subset_plan_t
   hb_map_t *gpos_lookups;
 
   //active langsys we'd like to retain
-  hb_hashmap_t<unsigned, hb_set_t *> *gsub_langsys;
-  hb_hashmap_t<unsigned, hb_set_t *> *gpos_langsys;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *gsub_langsys;
+  hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> *gpos_langsys;
 
   //active features after removing redundant langsys and prune_features
   hb_map_t *gsub_features;
   hb_map_t *gpos_features;
 
+  //active feature variation records/condition index with variations
+  hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *gsub_feature_record_cond_idx_map;
+  hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *gpos_feature_record_cond_idx_map;
+
+  //feature index-> address of substituation feature table mapping with
+  //variations
+  hb_hashmap_t<unsigned, const OT::Feature*> *gsub_feature_substitutes_map;
+  hb_hashmap_t<unsigned, const OT::Feature*> *gpos_feature_substitutes_map;
+
   //active layers/palettes we'd like to retain
   hb_map_t *colrv1_layers;
   hb_map_t *colr_palettes;
 
-  //The set of layout item variation store delta set indices to be retained
-  hb_set_t *layout_variation_indices;
-  //Old -> New layout item variation store delta set index mapping
-  hb_map_t *layout_variation_idx_map;
+  //Old layout item variation index -> (New varidx, delta) mapping
+  hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map;
+
+  //gdef varstore retained varidx mapping
+  hb_vector_t<hb_inc_bimap_t> gdef_varstore_inner_maps;
+
+  hb_hashmap_t<hb_tag_t, hb::unique_ptr<hb_blob_t>>* sanitized_table_cache;
+  //normalized axes location map
+  hb_hashmap_t<hb_tag_t, int> *axes_location;
+  //user specified axes location map
+  hb_hashmap_t<hb_tag_t, float> *user_axes_location;
+  //retained old axis index -> new axis index mapping in fvar axis array
+  hb_map_t *axes_index_map;
+  //axis_index->axis_tag mapping in fvar axis array
+  hb_map_t *axes_old_index_tag_map;
+  bool all_axes_pinned;
+  bool pinned_at_default;
+  bool has_seac;
+
+  //hmtx metrics map: new gid->(advance, lsb)
+  hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *hmtx_map;
+  //vmtx metrics map: new gid->(advance, lsb)
+  hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *vmtx_map;
+
+#ifdef HB_EXPERIMENTAL_API
+  // name table overrides map: hb_ot_name_record_ids_t-> name string new value or
+  // None to indicate should remove
+  hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
+#endif
+
+  const hb_subset_accelerator_t* accelerator;
+  hb_subset_accelerator_t* inprogress_accelerator;
 
  public:
 
+  template<typename T>
+  hb_blob_ptr_t<T> source_table()
+  {
+    hb_lock_t (accelerator ? &accelerator->sanitized_table_cache_lock : nullptr);
+
+    auto *cache = accelerator ? &accelerator->sanitized_table_cache : sanitized_table_cache;
+    if (cache
+        && !cache->in_error ()
+        && cache->has (+T::tableTag)) {
+      return hb_blob_reference (cache->get (+T::tableTag).get ());
+    }
+
+    hb::unique_ptr<hb_blob_t> table_blob {hb_sanitize_context_t ().reference_table<T> (source)};
+    hb_blob_t* ret = hb_blob_reference (table_blob.get ());
+
+    if (likely (cache))
+      cache->set (+T::tableTag, std::move (table_blob));
+
+    return ret;
+  }
+
   bool in_error () const { return !successful; }
 
   bool check_success(bool success)
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.cc
index 2447d296b8..55ca48d709 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.cc
@@ -25,25 +25,34 @@
 #include "hb-repacker.hh"
 
 #ifdef HB_EXPERIMENTAL_API
+
 /**
  * hb_subset_repack_or_fail:
+ * @table_tag: tag of the table being packed, needed to allow table specific optimizations.
  * @hb_objects: raw array of struct hb_object_t, which provides
  * object graph info
  * @num_hb_objs: number of hb_object_t in the hb_objects array.
  *
  * Given the input object graph info, repack a table to eliminate
  * offset overflows. A nullptr is returned if the repacking attempt fails.
+ * Table specific optimizations (eg. extension promotion in GSUB/GPOS) may be performed.
+ * Passing HB_TAG_NONE will disable table specific optimizations.
  *
  * Since: EXPERIMENTAL
  **/
-hb_blob_t* hb_subset_repack_or_fail (hb_object_t* hb_objects, unsigned num_hb_objs)
+hb_blob_t* hb_subset_repack_or_fail (hb_tag_t table_tag,
+                                     hb_object_t* hb_objects,
+                                     unsigned num_hb_objs)
 {
   hb_vector_t<const hb_object_t *> packed;
   packed.alloc (num_hb_objs + 1);
   packed.push (nullptr);
   for (unsigned i = 0 ; i < num_hb_objs ; i++)
     packed.push (&(hb_objects[i]));
-  return hb_resolve_overflows (packed, HB_OT_TAG_GSUB);
+
+  return hb_resolve_overflows (packed,
+                               table_tag,
+                               20,
+                               true);
 }
 #endif
-
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.h b/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.h
index f9a2383698..245cf60765 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset-repacker.h
@@ -31,13 +31,13 @@
 HB_BEGIN_DECLS
 
 #ifdef HB_EXPERIMENTAL_API
-/**
+/*
  * struct hb_link_t
  * width:    offsetSize in bytes
  * position: position of the offset field in bytes
  * from beginning of subtable
  * objidx:   index of subtable
- **/
+ */
 struct hb_link_t
 {
   unsigned width;
@@ -47,7 +47,7 @@ struct hb_link_t
 
 typedef struct hb_link_t hb_link_t;
 
-/**
+/*
  * struct hb_object_t
  * head:    start of object data
  * tail:    end of object data
@@ -56,7 +56,7 @@ typedef struct hb_link_t hb_link_t;
  * num_virtual_links: num of objects that must be packed
  * after current object in the final serialized order
  * virtual_links:     array of virtual link info
- **/
+ */
 struct hb_object_t
 {
   char *head;
@@ -70,7 +70,8 @@ struct hb_object_t
 typedef struct hb_object_t hb_object_t;
 
 HB_EXTERN hb_blob_t*
-hb_subset_repack_or_fail (hb_object_t* hb_objects,
+hb_subset_repack_or_fail (hb_tag_t table_tag,
+                          hb_object_t* hb_objects,
                           unsigned num_hb_objs);
 
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset.cc b/src/3rdparty/harfbuzz-ng/src/hb-subset.cc
index 4588268b76..186b12dbb8 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset.cc
@@ -50,12 +50,16 @@
 #include "hb-ot-color-cbdt-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
+#include "hb-ot-var-fvar-table.hh"
 #include "hb-ot-var-gvar-table.hh"
 #include "hb-ot-var-hvar-table.hh"
 #include "hb-ot-math-table.hh"
+#include "hb-ot-stat-table.hh"
 #include "hb-repacker.hh"
+#include "hb-subset-accelerator.hh"
 
-using OT::Layout::GSUB::GSUB;
+using OT::Layout::GSUB;
+using OT::Layout::GPOS;
 
 /**
  * SECTION:hb-subset
@@ -78,13 +82,121 @@ using OT::Layout::GSUB::GSUB;
  * retain glyph ids option and configure the subset to pass through the layout tables untouched.
  */
 
+
+hb_user_data_key_t _hb_subset_accelerator_user_data_key = {};
+
+
+/*
+ * The list of tables in the open type spec. Used to check for tables that may need handling
+ * if we are unable to list the tables in a face.
+ */
+static hb_tag_t known_tables[] {
+  HB_TAG ('a', 'v', 'a', 'r'),
+  HB_OT_TAG_BASE,
+  HB_OT_TAG_CBDT,
+  HB_OT_TAG_CBLC,
+  HB_OT_TAG_cff1,
+  HB_OT_TAG_cff2,
+  HB_OT_TAG_cmap,
+  HB_OT_TAG_COLR,
+  HB_OT_TAG_CPAL,
+  HB_TAG ('c', 'v', 'a', 'r'),
+  HB_TAG ('c', 'v', 't', ' '),
+  HB_TAG ('D', 'S', 'I', 'G'),
+  HB_TAG ('E', 'B', 'D', 'T'),
+  HB_TAG ('E', 'B', 'L', 'C'),
+  HB_TAG ('E', 'B', 'S', 'C'),
+  HB_TAG ('f', 'p', 'g', 'm'),
+  HB_TAG ('f', 'v', 'a', 'r'),
+  HB_TAG ('g', 'a', 's', 'p'),
+  HB_OT_TAG_GDEF,
+  HB_OT_TAG_glyf,
+  HB_OT_TAG_GPOS,
+  HB_OT_TAG_GSUB,
+  HB_OT_TAG_gvar,
+  HB_OT_TAG_hdmx,
+  HB_OT_TAG_head,
+  HB_OT_TAG_hhea,
+  HB_OT_TAG_hmtx,
+  HB_OT_TAG_HVAR,
+  HB_OT_TAG_JSTF,
+  HB_TAG ('k', 'e', 'r', 'n'),
+  HB_OT_TAG_loca,
+  HB_TAG ('L', 'T', 'S', 'H'),
+  HB_OT_TAG_MATH,
+  HB_OT_TAG_maxp,
+  HB_TAG ('M', 'E', 'R', 'G'),
+  HB_TAG ('m', 'e', 't', 'a'),
+  HB_TAG ('M', 'V', 'A', 'R'),
+  HB_TAG ('P', 'C', 'L', 'T'),
+  HB_OT_TAG_post,
+  HB_TAG ('p', 'r', 'e', 'p'),
+  HB_OT_TAG_sbix,
+  HB_TAG ('S', 'T', 'A', 'T'),
+  HB_TAG ('S', 'V', 'G', ' '),
+  HB_TAG ('V', 'D', 'M', 'X'),
+  HB_OT_TAG_vhea,
+  HB_OT_TAG_vmtx,
+  HB_OT_TAG_VORG,
+  HB_OT_TAG_VVAR,
+  HB_OT_TAG_name,
+  HB_OT_TAG_OS2
+};
+
+static bool _table_is_empty (const hb_face_t *face, hb_tag_t tag)
+{
+  hb_blob_t* blob = hb_face_reference_table (face, tag);
+  bool result = (blob == hb_blob_get_empty ());
+  hb_blob_destroy (blob);
+  return result;
+}
+
+static unsigned int
+_get_table_tags (const hb_subset_plan_t* plan,
+                 unsigned int  start_offset,
+                 unsigned int *table_count, /* IN/OUT */
+                 hb_tag_t     *table_tags /* OUT */)
+{
+  unsigned num_tables = hb_face_get_table_tags (plan->source, 0, nullptr, nullptr);
+  if (num_tables)
+    return hb_face_get_table_tags (plan->source, start_offset, table_count, table_tags);
+
+  // If face has 0 tables associated with it, assume that it was built from
+  // hb_face_create_tables and thus is unable to list its tables. Fallback to
+  // checking each table type we can handle for existence instead.
+  auto it =
+      hb_concat (
+          + hb_array (known_tables)
+          | hb_filter ([&] (hb_tag_t tag) {
+            return !_table_is_empty (plan->source, tag) && !plan->no_subset_tables->has (tag);
+          })
+          | hb_map ([] (hb_tag_t tag) -> hb_tag_t { return tag; }),
+
+          plan->no_subset_tables->iter ()
+          | hb_filter([&] (hb_tag_t tag) {
+            return !_table_is_empty (plan->source, tag);
+          }));
+
+  it += start_offset;
+
+  unsigned num_written = 0;
+  while (bool (it) && num_written < *table_count)
+    table_tags[num_written++] = *it++;
+
+  *table_count = num_written;
+  return num_written;
+}
+
+
 static unsigned
-_plan_estimate_subset_table_size (hb_subset_plan_t *plan, unsigned table_len)
+_plan_estimate_subset_table_size (hb_subset_plan_t *plan,
+				  unsigned table_len,
+				  bool same_size)
 {
   unsigned src_glyphs = plan->source->get_num_glyphs ();
   unsigned dst_glyphs = plan->glyphset ()->get_population ();
 
-  if (unlikely (!src_glyphs))
+  if (unlikely (!src_glyphs) || same_size)
     return 512 + table_len;
 
   return 512 + (unsigned) (table_len * sqrt ((double) dst_glyphs / src_glyphs));
@@ -123,7 +235,6 @@ static
 bool
 _try_subset (const TableType *table,
              hb_vector_t<char>* buf,
-             unsigned buf_size,
              hb_subset_context_t* c /* OUT */)
 {
   c->serializer->start_serialize<TableType> ();
@@ -136,57 +247,66 @@ _try_subset (const TableType *table,
     return needed;
   }
 
-  buf_size += (buf_size >> 1) + 32;
+  unsigned buf_size = buf->allocated;
+  buf_size = buf_size * 2 + 16;
+
+
+
+
   DEBUG_MSG (SUBSET, nullptr, "OT::%c%c%c%c ran out of room; reallocating to %u bytes.",
              HB_UNTAG (c->table_tag), buf_size);
 
-  if (unlikely (!buf->alloc (buf_size)))
+  if (unlikely (buf_size > c->source_blob->length * 16 ||
+		!buf->alloc (buf_size)))
   {
     DEBUG_MSG (SUBSET, nullptr, "OT::%c%c%c%c failed to reallocate %u bytes.",
                HB_UNTAG (c->table_tag), buf_size);
     return needed;
   }
 
-  c->serializer->reset (buf->arrayZ, buf_size);
-  return _try_subset (table, buf, buf_size, c);
+  c->serializer->reset (buf->arrayZ, buf->allocated);
+  return _try_subset (table, buf, c);
 }
 
 template<typename TableType>
 static bool
-_subset (hb_subset_plan_t *plan)
+_subset (hb_subset_plan_t *plan, hb_vector_t<char> &buf)
 {
-  hb_blob_t *source_blob = hb_sanitize_context_t ().reference_table<TableType> (plan->source);
-  const TableType *table = source_blob->as<TableType> ();
+  hb_blob_ptr_t<TableType> source_blob = plan->source_table<TableType> ();
+  const TableType *table = source_blob.get ();
 
   hb_tag_t tag = TableType::tableTag;
-  if (!source_blob->data)
+  if (!source_blob.get_blob()->data)
   {
     DEBUG_MSG (SUBSET, nullptr,
                "OT::%c%c%c%c::subset sanitize failed on source table.", HB_UNTAG (tag));
-    hb_blob_destroy (source_blob);
+    source_blob.destroy ();
     return false;
   }
 
-  hb_vector_t<char> buf;
-  /* TODO Not all tables are glyph-related.  'name' table size for example should not be
-   * affected by number of glyphs.  Accommodate that. */
-  unsigned buf_size = _plan_estimate_subset_table_size (plan, source_blob->length);
+  /* Tables that we want to allocate same space as the source table. For GSUB/GPOS it's
+   * because those are expensive to subset, so giving them more room is fine. */
+  bool same_size_table = TableType::tableTag == HB_OT_TAG_GSUB ||
+			 TableType::tableTag == HB_OT_TAG_GPOS ||
+			 TableType::tableTag == HB_OT_TAG_name;
+
+  unsigned buf_size = _plan_estimate_subset_table_size (plan, source_blob.get_length (), same_size_table);
   DEBUG_MSG (SUBSET, nullptr,
              "OT::%c%c%c%c initial estimated table size: %u bytes.", HB_UNTAG (tag), buf_size);
   if (unlikely (!buf.alloc (buf_size)))
   {
     DEBUG_MSG (SUBSET, nullptr, "OT::%c%c%c%c failed to allocate %u bytes.", HB_UNTAG (tag), buf_size);
-    hb_blob_destroy (source_blob);
+    source_blob.destroy ();
     return false;
   }
 
   bool needed = false;
-  hb_serialize_context_t serializer (buf.arrayZ, buf_size);
+  hb_serialize_context_t serializer (buf.arrayZ, buf.allocated);
   {
-    hb_subset_context_t c (source_blob, plan, &serializer, tag);
-    needed = _try_subset (table, &buf, buf_size, &c);
+    hb_subset_context_t c (source_blob.get_blob (), plan, &serializer, tag);
+    needed = _try_subset (table, &buf, &c);
   }
-  hb_blob_destroy (source_blob);
+  source_blob.destroy ();
 
   if (serializer.in_error () && !serializer.only_offset_overflow ())
   {
@@ -219,9 +339,17 @@ _subset (hb_subset_plan_t *plan)
 static bool
 _is_table_present (hb_face_t *source, hb_tag_t tag)
 {
+
+  if (!hb_face_get_table_tags (source, 0, nullptr, nullptr)) {
+    // If face has 0 tables associated with it, assume that it was built from
+    // hb_face_create_tables and thus is unable to list its tables. Fallback to
+    // checking if the blob associated with tag is empty.
+    return !_table_is_empty (source, tag);
+  }
+
   hb_tag_t table_tags[32];
   unsigned offset = 0, num_tables = ARRAY_LENGTH (table_tags);
-  while ((hb_face_get_table_tags (source, offset, &num_tables, table_tags), num_tables))
+  while (((void) hb_face_get_table_tags (source, offset, &num_tables, table_tags), num_tables))
   {
     for (unsigned i = 0; i < num_tables; ++i)
       if (table_tags[i] == tag)
@@ -240,6 +368,8 @@ _should_drop_table (hb_subset_plan_t *plan, hb_tag_t tag)
   switch (tag)
   {
   case HB_TAG ('c','v','a','r'): /* hint table, fallthrough */
+    return plan->all_axes_pinned || (plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+
   case HB_TAG ('c','v','t',' '): /* hint table, fallthrough */
   case HB_TAG ('f','p','g','m'): /* hint table, fallthrough */
   case HB_TAG ('p','r','e','p'): /* hint table, fallthrough */
@@ -259,6 +389,14 @@ _should_drop_table (hb_subset_plan_t *plan, hb_tag_t tag)
     return true;
 #endif
 
+  case HB_TAG ('a','v','a','r'):
+  case HB_TAG ('f','v','a','r'):
+  case HB_TAG ('g','v','a','r'):
+  case HB_OT_TAG_HVAR:
+  case HB_OT_TAG_VVAR:
+  case HB_TAG ('M','V','A','R'):
+    return plan->all_axes_pinned;
+
   default:
     return false;
   }
@@ -274,7 +412,24 @@ _passthrough (hb_subset_plan_t *plan, hb_tag_t tag)
 }
 
 static bool
-_subset_table (hb_subset_plan_t *plan, hb_tag_t tag)
+_dependencies_satisfied (hb_subset_plan_t *plan, hb_tag_t tag,
+                         const hb_set_t &subsetted_tags,
+                         const hb_set_t &pending_subset_tags)
+{
+  switch (tag)
+  {
+  case HB_OT_TAG_hmtx:
+  case HB_OT_TAG_vmtx:
+    return plan->pinned_at_default || !pending_subset_tags.has (HB_OT_TAG_glyf);
+  default:
+    return true;
+  }
+}
+
+static bool
+_subset_table (hb_subset_plan_t *plan,
+	       hb_vector_t<char> &buf,
+	       hb_tag_t tag)
 {
   if (plan->no_subset_tables->has (tag)) {
     return _passthrough (plan, tag);
@@ -283,43 +438,51 @@ _subset_table (hb_subset_plan_t *plan, hb_tag_t tag)
   DEBUG_MSG (SUBSET, nullptr, "subset %c%c%c%c", HB_UNTAG (tag));
   switch (tag)
   {
-  case HB_OT_TAG_glyf: return _subset<const OT::glyf> (plan);
-  case HB_OT_TAG_hdmx: return _subset<const OT::hdmx> (plan);
-  case HB_OT_TAG_name: return _subset<const OT::name> (plan);
+  case HB_OT_TAG_glyf: return _subset<const OT::glyf> (plan, buf);
+  case HB_OT_TAG_hdmx: return _subset<const OT::hdmx> (plan, buf);
+  case HB_OT_TAG_name: return _subset<const OT::name> (plan, buf);
   case HB_OT_TAG_head:
     if (_is_table_present (plan->source, HB_OT_TAG_glyf) && !_should_drop_table (plan, HB_OT_TAG_glyf))
       return true; /* skip head, handled by glyf */
-    return _subset<const OT::head> (plan);
+    return _subset<const OT::head> (plan, buf);
   case HB_OT_TAG_hhea: return true; /* skip hhea, handled by hmtx */
-  case HB_OT_TAG_hmtx: return _subset<const OT::hmtx> (plan);
+  case HB_OT_TAG_hmtx: return _subset<const OT::hmtx> (plan, buf);
   case HB_OT_TAG_vhea: return true; /* skip vhea, handled by vmtx */
-  case HB_OT_TAG_vmtx: return _subset<const OT::vmtx> (plan);
-  case HB_OT_TAG_maxp: return _subset<const OT::maxp> (plan);
-  case HB_OT_TAG_sbix: return _subset<const OT::sbix> (plan);
+  case HB_OT_TAG_vmtx: return _subset<const OT::vmtx> (plan, buf);
+  case HB_OT_TAG_maxp: return _subset<const OT::maxp> (plan, buf);
+  case HB_OT_TAG_sbix: return _subset<const OT::sbix> (plan, buf);
   case HB_OT_TAG_loca: return true; /* skip loca, handled by glyf */
-  case HB_OT_TAG_cmap: return _subset<const OT::cmap> (plan);
-  case HB_OT_TAG_OS2 : return _subset<const OT::OS2 > (plan);
-  case HB_OT_TAG_post: return _subset<const OT::post> (plan);
-  case HB_OT_TAG_COLR: return _subset<const OT::COLR> (plan);
-  case HB_OT_TAG_CPAL: return _subset<const OT::CPAL> (plan);
-  case HB_OT_TAG_CBLC: return _subset<const OT::CBLC> (plan);
+  case HB_OT_TAG_cmap: return _subset<const OT::cmap> (plan, buf);
+  case HB_OT_TAG_OS2 : return _subset<const OT::OS2 > (plan, buf);
+  case HB_OT_TAG_post: return _subset<const OT::post> (plan, buf);
+  case HB_OT_TAG_COLR: return _subset<const OT::COLR> (plan, buf);
+  case HB_OT_TAG_CPAL: return _subset<const OT::CPAL> (plan, buf);
+  case HB_OT_TAG_CBLC: return _subset<const OT::CBLC> (plan, buf);
   case HB_OT_TAG_CBDT: return true; /* skip CBDT, handled by CBLC */
-  case HB_OT_TAG_MATH: return _subset<const OT::MATH> (plan);
+  case HB_OT_TAG_MATH: return _subset<const OT::MATH> (plan, buf);
 
 #ifndef HB_NO_SUBSET_CFF
-  case HB_OT_TAG_cff1: return _subset<const OT::cff1> (plan);
-  case HB_OT_TAG_cff2: return _subset<const OT::cff2> (plan);
-  case HB_OT_TAG_VORG: return _subset<const OT::VORG> (plan);
+  case HB_OT_TAG_cff1: return _subset<const OT::cff1> (plan, buf);
+  case HB_OT_TAG_cff2: return _subset<const OT::cff2> (plan, buf);
+  case HB_OT_TAG_VORG: return _subset<const OT::VORG> (plan, buf);
 #endif
 
 #ifndef HB_NO_SUBSET_LAYOUT
-  case HB_OT_TAG_GDEF: return _subset<const OT::GDEF> (plan);
-  case HB_OT_TAG_GSUB: return _subset<const GSUB> (plan);
-  case HB_OT_TAG_GPOS: return _subset<const OT::GPOS> (plan);
-  case HB_OT_TAG_gvar: return _subset<const OT::gvar> (plan);
-  case HB_OT_TAG_HVAR: return _subset<const OT::HVAR> (plan);
-  case HB_OT_TAG_VVAR: return _subset<const OT::VVAR> (plan);
+  case HB_OT_TAG_GDEF: return _subset<const OT::GDEF> (plan, buf);
+  case HB_OT_TAG_GSUB: return _subset<const GSUB> (plan, buf);
+  case HB_OT_TAG_GPOS: return _subset<const GPOS> (plan, buf);
+  case HB_OT_TAG_gvar: return _subset<const OT::gvar> (plan, buf);
+  case HB_OT_TAG_HVAR: return _subset<const OT::HVAR> (plan, buf);
+  case HB_OT_TAG_VVAR: return _subset<const OT::VVAR> (plan, buf);
 #endif
+  case HB_OT_TAG_fvar:
+    if (plan->user_axes_location->is_empty ()) return _passthrough (plan, tag);
+    return _subset<const OT::fvar> (plan, buf);
+  case HB_OT_TAG_STAT:
+    /*TODO(qxliu): change the condition as we support more complex
+     * instancing operation*/
+    if (plan->all_axes_pinned) return _subset<const OT::STAT> (plan, buf);
+    else return _passthrough (plan, tag);
 
   default:
     if (plan->flags & HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED)
@@ -330,6 +493,34 @@ _subset_table (hb_subset_plan_t *plan, hb_tag_t tag)
   }
 }
 
+static void _attach_accelerator_data (hb_subset_plan_t* plan,
+                                      hb_face_t* face /* IN/OUT */)
+{
+  if (!plan->inprogress_accelerator) return;
+
+  // Transfer the accelerator from the plan to us.
+  hb_subset_accelerator_t* accel = plan->inprogress_accelerator;
+  plan->inprogress_accelerator = nullptr;
+
+  if (accel->in_error ())
+  {
+    hb_subset_accelerator_t::destroy (accel);
+    return;
+  }
+
+  // Populate caches that need access to the final tables.
+  hb_blob_ptr_t<OT::cmap> cmap_ptr (hb_sanitize_context_t ().reference_table<OT::cmap> (face));
+  accel->cmap_cache = OT::cmap::create_filled_cache (cmap_ptr);
+  accel->destroy_cmap_cache = OT::SubtableUnicodesCache::destroy;
+
+  if (!hb_face_set_user_data(face,
+                             hb_subset_accelerator_t::user_data_key(),
+                             accel,
+                             hb_subset_accelerator_t::destroy,
+                             true))
+    hb_subset_accelerator_t::destroy (accel);
+}
+
 /**
  * hb_subset_or_fail:
  * @source: font face data to be subset.
@@ -375,23 +566,69 @@ hb_subset_plan_execute_or_fail (hb_subset_plan_t *plan)
     return nullptr;
   }
 
-  hb_set_t tags_set;
-  bool success = true;
   hb_tag_t table_tags[32];
   unsigned offset = 0, num_tables = ARRAY_LENGTH (table_tags);
-  while ((hb_face_get_table_tags (plan->source, offset, &num_tables, table_tags), num_tables))
+
+  hb_set_t subsetted_tags, pending_subset_tags;
+  while (((void) _get_table_tags (plan, offset, &num_tables, table_tags), num_tables))
   {
     for (unsigned i = 0; i < num_tables; ++i)
     {
       hb_tag_t tag = table_tags[i];
-      if (_should_drop_table (plan, tag) && !tags_set.has (tag)) continue;
-      tags_set.add (tag);
-      success = _subset_table (plan, tag);
-      if (unlikely (!success)) goto end;
+      if (_should_drop_table (plan, tag)) continue;
+      pending_subset_tags.add (tag);
     }
+
     offset += num_tables;
   }
-end:
 
+  hb_vector_t<char> buf;
+  buf.alloc (4096 - 16);
+
+
+  bool success = true;
+
+  while (!pending_subset_tags.is_empty ())
+  {
+    if (subsetted_tags.in_error ()
+        || pending_subset_tags.in_error ()) {
+      success = false;
+      goto end;
+    }
+
+    bool made_changes = false;
+    for (hb_tag_t tag : pending_subset_tags)
+    {
+      if (!_dependencies_satisfied (plan, tag,
+                                    subsetted_tags,
+                                    pending_subset_tags))
+      {
+        // delayed subsetting for some tables since they might have dependency on other tables
+        // in some cases: e.g: during instantiating glyf tables, hmetrics/vmetrics are updated
+        // and saved in subset plan, hmtx/vmtx subsetting need to use these updated metrics values
+        continue;
+      }
+
+      pending_subset_tags.del (tag);
+      subsetted_tags.add (tag);
+      made_changes = true;
+
+      success = _subset_table (plan, buf, tag);
+      if (unlikely (!success)) goto end;
+    }
+
+    if (!made_changes)
+    {
+      DEBUG_MSG (SUBSET, nullptr, "Table dependencies unable to be satisfied. Subset failed.");
+      success = false;
+      goto end;
+    }
+  }
+
+  if (success && plan->attach_accelerator_data) {
+    _attach_accelerator_data (plan, plan->dest);
+  }
+
+end:
   return success ? hb_face_reference (plan->dest) : nullptr;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-subset.h b/src/3rdparty/harfbuzz-ng/src/hb-subset.h
index a2799d91e8..b83264ea5e 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-subset.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-subset.h
@@ -28,6 +28,7 @@
 #define HB_SUBSET_H
 
 #include "hb.h"
+#include "hb-ot.h"
 
 HB_BEGIN_DECLS
 
@@ -70,6 +71,14 @@ typedef struct hb_subset_plan_t hb_subset_plan_t;
  * in the final subset.
  * @HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES: If set then the unicode ranges in
  * OS/2 will not be recalculated.
+ * @HB_SUBSET_FLAGS_PATCH_MODE: If set the subsetter behaviour will be modified
+ * to produce a subset that is better suited to patching. For example cmap
+ * subtable format will be kept stable.
+ * @HB_SUBSET_FLAGS_OMIT_GLYF: If set the subsetter won't actually produce the final
+ * glyf table bytes. The table directory will include and entry as if the table was
+ * there but the actual final font blob will be truncated prior to the glyf data. This
+ * is a useful performance optimization when a font aware binary patching algorithm
+ * is being used to diff two subsets.
  *
  * List of boolean properties that can be configured on the subset input.
  *
@@ -86,6 +95,8 @@ typedef enum { /*< flags >*/
   HB_SUBSET_FLAGS_NOTDEF_OUTLINE =	     0x00000040u,
   HB_SUBSET_FLAGS_GLYPH_NAMES =		     0x00000080u,
   HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES =  0x00000100u,
+  // Not supported yet: HB_SUBSET_FLAGS_PATCH_MODE = 0x00000200u,
+  // Not supported yet: HB_SUBSET_FLAGS_OMIT_GLYF =  0x00000400u,
 } hb_subset_flags_t;
 
 /**
@@ -100,6 +111,8 @@ typedef enum { /*< flags >*/
  * @HB_SUBSET_SETS_NAME_LANG_ID: the set of name lang ids that will be retained.
  * @HB_SUBSET_SETS_LAYOUT_FEATURE_TAG: the set of layout feature tags that will be retained
  * in the subset.
+ * @HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG: the set of layout script tags that will be retained
+ * in the subset. Defaults to all tags. Since: 5.0.0
  *
  * List of sets that can be configured on the subset input.
  *
@@ -113,6 +126,7 @@ typedef enum {
   HB_SUBSET_SETS_NAME_ID,
   HB_SUBSET_SETS_NAME_LANG_ID,
   HB_SUBSET_SETS_LAYOUT_FEATURE_TAG,
+  HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG,
 } hb_subset_sets_t;
 
 HB_EXTERN hb_subset_input_t *
@@ -151,6 +165,32 @@ HB_EXTERN void
 hb_subset_input_set_flags (hb_subset_input_t *input,
 			   unsigned value);
 
+HB_EXTERN hb_bool_t
+hb_subset_input_pin_axis_to_default (hb_subset_input_t  *input,
+				     hb_face_t          *face,
+				     hb_tag_t            axis_tag);
+
+HB_EXTERN hb_bool_t
+hb_subset_input_pin_axis_location (hb_subset_input_t  *input,
+				   hb_face_t          *face,
+				   hb_tag_t            axis_tag,
+				   float               axis_value);
+
+#ifdef HB_EXPERIMENTAL_API
+HB_EXTERN hb_bool_t
+hb_subset_input_override_name_table (hb_subset_input_t  *input,
+				     hb_ot_name_id_t     name_id,
+				     unsigned            platform_id,
+				     unsigned            encoding_id,
+				     unsigned            language_id,
+				     const char         *name_str,
+				     int                 str_len);
+
+#endif
+
+HB_EXTERN hb_face_t *
+hb_subset_preprocess (hb_face_t *source);
+
 HB_EXTERN hb_face_t *
 hb_subset_or_fail (hb_face_t *source, const hb_subset_input_t *input);
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ucd-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ucd-table.hh
index 1a4c89c17f..f7d76eee18 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ucd-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ucd-table.hh
@@ -4,7 +4,7 @@
  *
  *   ./gen-ucd-table.py ucd.nounihan.grouped.xml
  *
- * on file with this description: Unicode 14.0.0
+ * on file with this description: Unicode 15.0.0
  */
 
 #ifndef HB_UCD_TABLE_HH
@@ -13,7 +13,7 @@
 #include "hb.hh"
 
 static const hb_script_t
-_hb_ucd_sc_map[162] =
+_hb_ucd_sc_map[165] =
 {
                    HB_SCRIPT_COMMON,              HB_SCRIPT_INHERITED,
                   HB_SCRIPT_UNKNOWN,                 HB_SCRIPT_ARABIC,
@@ -96,6 +96,8 @@ _hb_ucd_sc_map[162] =
                    HB_SCRIPT_YEZIDI,           HB_SCRIPT_CYPRO_MINOAN,
                HB_SCRIPT_OLD_UYGHUR,                 HB_SCRIPT_TANGSA,
                      HB_SCRIPT_TOTO,               HB_SCRIPT_VITHKUQI,
+                     HB_SCRIPT_MATH,                   HB_SCRIPT_KAWI,
+              HB_SCRIPT_NAG_MUNDARI,
 };
 static const uint16_t
 _hb_ucd_dm1_p0_map[825] =
@@ -1067,2081 +1069,1128 @@ _hb_ucd_dm2_u64_map[388] =
 #ifndef HB_OPTIMIZE_SIZE
 
 static const uint8_t
-_hb_ucd_u8[33120] =
+_hb_ucd_u8[17868] =
 {
-    0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
-   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   28, 26, 29, 30, 31, 32, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 33, 34, 34, 34, 34,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 36, 37, 38, 39,
-   40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
-   26, 56, 57, 58, 58, 58, 58, 59, 26, 26, 60, 58, 58, 58, 58, 58,
-   58, 58, 26, 61, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 26, 62, 58, 63, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 64, 26, 26, 65, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 66, 67, 68, 58, 58, 58, 58, 69, 58,
-   58, 58, 58, 58, 58, 58, 58, 70, 71, 72, 73, 74, 75, 76, 58, 77,
-   78, 79, 58, 80, 81, 58, 82, 83, 84, 85, 75, 86, 87, 88, 58, 58,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 89, 26, 26, 26, 26, 26, 26, 26, 90, 91, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 92, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 93, 58, 58, 58, 58, 58, 58, 26, 94, 58, 58,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 95, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   96, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 97,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
-   35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 98,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   29, 21, 21, 21, 23, 21, 21, 21, 22, 18, 21, 25, 21, 17, 21, 21,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 21, 21, 25, 25, 25, 21,
-   21,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 22, 21, 18, 24, 16,
-   24,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 22, 25, 18, 25,  0,
-   29, 21, 23, 23, 23, 23, 26, 21, 24, 26,  7, 20, 25,  1, 26, 24,
-   26, 25, 15, 15, 24,  5, 21, 21, 24, 15,  7, 19, 15, 15, 15, 21,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9, 25,  9,  9,  9,  9,  9,  9,  9,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5, 25,  5,  5,  5,  5,  5,  5,  5,  5,
-    9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    9,  5,  9,  5,  9,  5,  9,  5,  5,  9,  5,  9,  5,  9,  5,  9,
-    5,  9,  5,  9,  5,  9,  5,  9,  5,  5,  9,  5,  9,  5,  9,  5,
-    9,  5,  9,  5,  9,  5,  9,  5,  9,  9,  5,  9,  5,  9,  5,  5,
-    5,  9,  9,  5,  9,  5,  9,  9,  5,  9,  9,  9,  5,  5,  9,  9,
-    9,  9,  5,  9,  9,  5,  9,  9,  9,  5,  5,  5,  9,  9,  5,  9,
-    9,  5,  9,  5,  9,  5,  9,  9,  5,  9,  5,  5,  9,  5,  9,  9,
-    5,  9,  9,  9,  5,  9,  5,  9,  9,  5,  5,  7,  9,  5,  5,  5,
-    7,  7,  7,  7,  9,  8,  5,  9,  8,  5,  9,  8,  5,  9,  5,  9,
-    5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  5,  9,  5,
-    5,  9,  8,  5,  9,  5,  9,  9,  9,  5,  9,  5,  9,  5,  9,  5,
-    9,  5,  9,  5,  5,  5,  5,  5,  5,  5,  9,  9,  5,  9,  9,  5,
-    5,  9,  5,  9,  9,  9,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    5,  5,  5,  5,  7,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-    6,  6, 24, 24, 24, 24,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-    6,  6, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-    6,  6,  6,  6,  6, 24, 24, 24, 24, 24, 24, 24,  6, 24,  6, 24,
-   24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-    9,  5,  9,  5,  6, 24,  9,  5,  2,  2,  6,  5,  5,  5, 21,  9,
-    2,  2,  2,  2, 24, 24,  9, 21,  9,  9,  9,  2,  9,  2,  9,  9,
-    5,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  2,  9,  9,  9,  9,  9,  9,  9,  9,  9,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  9,
-    5,  5,  9,  9,  9,  5,  5,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    5,  5,  5,  5,  9,  5, 25,  9,  5,  9,  9,  5,  5,  9,  9,  9,
-    9,  5, 26, 12, 12, 12, 12, 12, 11, 11,  9,  5,  9,  5,  9,  5,
-    9,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  5,
-    2,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  2,  2,  6, 21, 21, 21, 21, 21, 21,
-    5,  5,  5,  5,  5,  5,  5,  5,  5, 21, 17,  2,  2, 26, 26, 23,
-    2, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 17, 12,
-   21, 12, 12, 21, 12, 12, 21, 12,  2,  2,  2,  2,  2,  2,  2,  2,
+    0,  1,  2,  3,  4,  5,  6,  7,  7,  8,  7,  7,  7,  7,  7,  7,
+    7,  7,  7,  7,  9, 10,  7,  7,  7,  7, 11, 12, 13, 13, 13, 14,
+   15, 16, 17, 18, 19, 20, 21, 22, 23, 22, 22, 22, 22, 24,  7,  7,
+   25, 26, 22, 22, 22, 27, 28, 29, 22, 30, 31, 32, 33, 34, 35, 36,
     7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  7,
-    7,  7,  7, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    1,  1,  1,  1,  1,  1, 25, 25, 25, 21, 21, 23, 21, 21, 26, 26,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 21,  1, 21, 21, 21,
-    6,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 21, 21, 21, 21,  7,  7,
-   12,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7, 21,  7, 12, 12, 12, 12, 12, 12, 12,  1, 26, 12,
-   12, 12, 12, 12, 12,  6,  6, 12, 12, 26, 12, 12, 12, 12,  7,  7,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  7,  7,  7, 26, 26,  7,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  1,
-    7, 12,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2,  2,  7,  7,  7,
-    7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12,
-   12, 12, 12, 12,  6,  6, 26, 21, 21, 21,  6,  2,  2, 12, 23, 23,
-    7,  7,  7,  7,  7,  7, 12, 12, 12, 12,  6, 12, 12, 12, 12, 12,
-   12, 12, 12, 12,  6, 12, 12, 12,  6, 12, 12, 12, 12, 12,  2,  2,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12,  2,  2, 21,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7, 24,  7,  7,  7,  7,  7,  7,  2,
-    1,  1,  2,  2,  2,  2,  2,  2, 12, 12, 12, 12, 12, 12, 12, 12,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  6, 12, 12, 12, 12, 12, 12,
-   12, 12,  1, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 10, 12,  7, 10, 10,
-   10, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 12, 10, 10,
-    7, 12, 12, 12, 12, 12, 12, 12,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7, 12, 12, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   21,  6,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7, 12, 10, 10,  2,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  7,
-    7,  2,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,
-    7,  2,  7,  2,  2,  2,  7,  7,  7,  7,  2,  2, 12,  7, 10, 10,
-   10, 12, 12, 12, 12,  2,  2, 10, 10,  2,  2, 10, 10, 12,  7,  2,
-    2,  2,  2,  2,  2,  2,  2, 10,  2,  2,  2,  2,  7,  7,  2,  7,
-    7,  7, 12, 12,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-    7,  7, 23, 23, 15, 15, 15, 15, 15, 15, 26, 23,  7, 21, 12,  2,
-    2, 12, 12, 10,  2,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  7,
-    7,  2,  7,  7,  2,  7,  7,  2,  7,  7,  2,  2, 12,  2, 10, 10,
-   10, 12, 12,  2,  2,  2,  2, 12, 12,  2,  2, 12, 12, 12,  2,  2,
-    2, 12,  2,  2,  2,  2,  2,  2,  2,  7,  7,  7,  7,  2,  7,  2,
-    2,  2,  2,  2,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   12, 12,  7,  7,  7, 12, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2, 12, 12, 10,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,
-    7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  2,  2, 12,  7, 10, 10,
-   10, 12, 12, 12, 12, 12,  2, 12, 12, 10,  2, 10, 10, 12,  2,  2,
-    7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   21, 23,  2,  2,  2,  2,  2,  2,  2,  7, 12, 12, 12, 12, 12, 12,
-    2, 12, 10, 10,  2,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  7,
-    7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  2,  2, 12,  7, 10, 12,
-   10, 12, 12, 12, 12,  2,  2, 10, 10,  2,  2, 10, 10, 12,  2,  2,
-    2,  2,  2,  2,  2, 12, 12, 10,  2,  2,  2,  2,  7,  7,  2,  7,
-   26,  7, 15, 15, 15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2, 12,  7,  2,  7,  7,  7,  7,  7,  7,  2,  2,  2,  7,  7,
-    7,  2,  7,  7,  7,  7,  2,  2,  2,  7,  7,  2,  7,  2,  7,  7,
-    2,  2,  2,  7,  7,  2,  2,  2,  7,  7,  7,  2,  2,  2,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2, 10, 10,
-   12, 10, 10,  2,  2,  2, 10, 10, 10,  2, 10, 10, 10, 12,  2,  2,
-    7,  2,  2,  2,  2,  2,  2, 10,  2,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 26, 26, 26, 26, 26, 26, 23, 26,  2,  2,  2,  2,  2,
-   12, 10, 10, 10, 12,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,
-    7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2, 12,  7, 12, 12,
-   12, 10, 10, 10, 10,  2, 12, 12, 12,  2, 12, 12, 12, 12,  2,  2,
-    2,  2,  2,  2,  2, 12, 12,  2,  7,  7,  7,  2,  2,  7,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 21, 15, 15, 15, 15, 15, 15, 15, 26,
-    7, 12, 10, 10, 21,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,
-    7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  2,  2, 12,  7, 10, 12,
-   10, 10, 10, 10, 10,  2, 12, 10, 10,  2, 10, 10, 12, 12,  2,  2,
-    2,  2,  2,  2,  2, 10, 10,  2,  2,  2,  2,  2,  2,  7,  7,  2,
-    2,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 10, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12,  7, 10, 10,
-   10, 12, 12, 12, 12,  2, 10, 10, 10,  2, 10, 10, 10, 12,  7, 26,
-    2,  2,  2,  2,  7,  7,  7, 10, 15, 15, 15, 15, 15, 15, 15,  7,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 26,  7,  7,  7,  7,  7,  7,
-    2, 12, 10, 10,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  7,  7,  7,  7,  7,  7,
-    7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  2,  2, 12,  2,  2,  2,  2, 10,
-   10, 10, 12, 12, 12,  2, 12,  2, 10, 10, 10, 10, 10, 10, 10, 10,
-    2,  2, 10, 10, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7, 12,  7,  7, 12, 12, 12, 12, 12, 12, 12,  2,  2,  2,  2, 23,
-    7,  7,  7,  7,  7,  7,  6, 12, 12, 12, 12, 12, 12, 12, 12, 21,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 21, 21,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  7,  7,  2,  7,  2,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,
-    7,  7,  7,  7,  2,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7, 12,  7,  7, 12, 12, 12, 12, 12, 12, 12, 12, 12,  7,  2,  2,
-    7,  7,  7,  7,  7,  2,  6,  2, 12, 12, 12, 12, 12, 12,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  7,  7,  7,  7,
-    7, 26, 26, 26, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 21, 26, 21, 26, 26, 26, 12, 12, 26, 26, 26, 26, 26, 26,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 26, 12, 26, 12, 26, 12, 22, 18, 22, 18, 10, 10,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,
-    2, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10,
-   12, 12, 12, 12, 12, 21, 12, 12,  7,  7,  7,  7,  7, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12,  2, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2, 26, 26,
-   26, 26, 26, 26, 26, 26, 12, 26, 26, 26, 26, 26, 26,  2, 26, 26,
-   21, 21, 21, 21, 21, 26, 26, 26, 26, 21, 21,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 10, 10, 12, 12, 12,
-   12, 10, 12, 12, 12, 12, 12, 12, 10, 12, 12, 10, 10, 12, 12,  7,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 21, 21, 21, 21, 21, 21,
-    7,  7,  7,  7,  7,  7, 10, 10, 12, 12,  7,  7,  7,  7, 12, 12,
-   12,  7, 10, 10, 10,  7,  7, 10, 10, 10, 10, 10, 10, 10,  7,  7,
-    7, 12, 12, 12, 12,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7, 12, 10, 10, 12, 12, 10, 10, 10, 10, 10, 10, 12,  7, 10,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 12, 26, 26,
-    9,  9,  9,  9,  9,  9,  2,  9,  2,  2,  2,  2,  2,  9,  2,  2,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 21,  6,  5,  5,  5,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  2,  7,  7,  7,  7,  2,  2,
-    7,  2,  7,  7,  7,  7,  2,  2,  7,  7,  7,  7,  7,  7,  7,  2,
-    7,  2,  7,  7,  7,  7,  2,  2,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2, 12, 12, 12,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,  2,
-    9,  9,  9,  9,  9,  9,  2,  2,  5,  5,  5,  5,  5,  5,  2,  2,
-   17,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 26, 21,  7,
-   29,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 22, 18,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 21, 21, 21, 14, 14,
-   14,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,
-    7,  7, 12, 12, 12, 10,  2,  2,  2,  2,  2,  2,  2,  2,  2,  7,
-    7,  7, 12, 12, 10, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,
-    7,  2, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7, 12, 12, 10, 12, 12, 12, 12, 12, 12, 12, 10, 10,
-   10, 10, 10, 10, 10, 10, 12, 10, 10, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 21, 21, 21,  6, 21, 21, 21, 23,  7, 12,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,  2,  2,  2,  2,
-   21, 21, 21, 21, 21, 21, 17, 21, 21, 21, 21, 12, 12, 12,  1, 12,
-    7,  7,  7,  6,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7, 12, 12,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7, 12,  7,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,
-   12, 12, 12, 10, 10, 10, 10, 12, 12, 10, 10, 10,  2,  2,  2,  2,
-   10, 10, 12, 10, 10, 10, 10, 10, 10, 12, 12, 12,  2,  2,  2,  2,
-   26,  2,  2,  2, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,
-    7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 15,  2,  2,  2, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    7,  7,  7,  7,  7,  7,  7, 12, 12, 10, 10, 12,  2,  2, 21, 21,
-    7,  7,  7,  7,  7, 10, 12, 10, 12, 12, 12, 12, 12, 12, 12,  2,
-   12, 10, 12, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10,
-   10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2,  2, 12,
-   21, 21, 21, 21, 21, 21, 21,  6, 21, 21, 21, 21, 21, 21,  2,  2,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2,
-   12, 12, 12, 12, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7, 12, 10, 12, 12, 12, 12, 12, 10, 12, 10, 10, 10,
-   10, 10, 12, 10, 10,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,
-   21, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 26, 26, 26, 26, 26, 26, 26, 26, 26, 21, 21,  2,
-   12, 12, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7, 10, 12, 12, 12, 12, 10, 10, 12, 12, 10, 12, 12, 12,  7,  7,
-    7,  7,  7,  7,  7,  7, 12, 10, 12, 12, 10, 10, 10, 12, 10, 12,
-   12, 12, 10, 10,  2,  2,  2,  2,  2,  2,  2,  2, 21, 21, 21, 21,
-    7,  7,  7,  7, 10, 10, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12,
-   12, 12, 12, 12, 10, 10, 12, 12,  2,  2,  2, 21, 21, 21, 21, 21,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  2,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  6,  6,  6,  6,  6,  6, 21, 21,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  2,  2,  2,  2,  2,  2,  2,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  2,  2,  9,  9,  9,
-   21, 21, 21, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 21, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 10, 12, 12, 12, 12, 12, 12, 12,  7,  7,  7,  7, 12,  7,  7,
-    7,  7,  7,  7, 12,  7,  7, 10, 12, 12,  7,  2,  2,  2,  2,  2,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,
-    6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  6,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  6,
-    9,  5,  9,  5,  9,  5,  5,  5,  5,  5,  5,  5,  5,  5,  9,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  9,  9,  9,  9,  9,  9,  9,  9,
-    5,  5,  5,  5,  5,  5,  2,  2,  9,  9,  9,  9,  9,  9,  2,  2,
-    5,  5,  5,  5,  5,  5,  5,  5,  2,  9,  2,  9,  2,  9,  2,  9,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  2,  2,
-    5,  5,  5,  5,  5,  5,  5,  5,  8,  8,  8,  8,  8,  8,  8,  8,
-    5,  5,  5,  5,  5,  2,  5,  5,  9,  9,  9,  9,  8, 24,  5, 24,
-   24, 24,  5,  5,  5,  2,  5,  5,  9,  9,  9,  9,  8, 24, 24, 24,
-    5,  5,  5,  5,  2,  2,  5,  5,  9,  9,  9,  9,  2, 24, 24, 24,
-    5,  5,  5,  5,  5,  5,  5,  5,  9,  9,  9,  9,  9, 24, 24, 24,
-    2,  2,  5,  5,  5,  2,  5,  5,  9,  9,  9,  9,  8, 24, 24,  2,
-   29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,  1,  1,  1,  1,  1,
-   17, 17, 17, 17, 17, 17, 21, 21, 20, 19, 22, 20, 20, 19, 22, 20,
-   21, 21, 21, 21, 21, 21, 21, 21, 27, 28,  1,  1,  1,  1,  1, 29,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 19, 21, 21, 21, 21, 16,
-   16, 21, 21, 21, 25, 22, 18, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 25, 21, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 29,
-    1,  1,  1,  1,  1,  2,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
-   15,  6,  2,  2, 15, 15, 15, 15, 15, 15, 25, 25, 25, 22, 18,  6,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 25, 25, 25, 22, 18,  2,
-    6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  2,  2,  2,
-   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-   23,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11,
-   11, 12, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26,  9, 26, 26, 26, 26,  9, 26, 26,  5,  9,  9,  9,  5,  5,
-    9,  9,  9,  5, 26,  9, 26, 26, 25,  9,  9,  9,  9,  9, 26, 26,
-   26, 26, 26, 26,  9, 26,  9, 26,  9, 26,  9,  9,  9,  9, 26,  5,
-    9,  9,  9,  9,  5,  7,  7,  7,  7,  5, 26, 26,  5,  5,  9,  9,
-   25, 25, 25, 25, 25,  9,  5,  5,  5,  5, 26, 25, 26, 26,  5, 26,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   14, 14, 14,  9,  5, 14, 14, 14, 14, 15, 26, 26,  2,  2,  2,  2,
-   25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 25, 25, 26, 26, 26, 26,
-   25, 26, 26, 25, 26, 26, 25, 26, 26, 26, 26, 26, 26, 26, 25, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25,
-   26, 26, 25, 26, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-   25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-   26, 26, 26, 26, 26, 26, 26, 26, 22, 18, 22, 18, 26, 26, 26, 26,
-   25, 25, 26, 26, 26, 26, 26, 26, 26, 22, 18, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25,
-   25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25,
-   25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 15, 15, 15, 15,
-   26, 26, 26, 26, 26, 26, 26, 25, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25,
-   26, 26, 26, 26, 26, 26, 26, 26, 22, 18, 22, 18, 22, 18, 22, 18,
-   22, 18, 22, 18, 22, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   25, 25, 25, 25, 25, 22, 18, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-   25, 25, 25, 25, 25, 25, 22, 18, 22, 18, 22, 18, 22, 18, 22, 18,
-   25, 25, 25, 22, 18, 22, 18, 22, 18, 22, 18, 22, 18, 22, 18, 22,
-   18, 22, 18, 22, 18, 22, 18, 22, 18, 25, 25, 25, 25, 25, 25, 25,
-   25, 25, 25, 25, 25, 25, 25, 25, 22, 18, 22, 18, 25, 25, 25, 25,
-   25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 22, 18, 25, 25,
-   25, 25, 25, 25, 25, 26, 26, 25, 25, 25, 25, 25, 25, 26, 26, 26,
-   26, 26, 26, 26,  2,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    9,  5,  9,  9,  9,  5,  5,  9,  5,  9,  5,  9,  5,  9,  9,  9,
-    9,  5,  9,  5,  5,  9,  5,  5,  5,  5,  5,  5,  6,  6,  9,  9,
-    9,  5,  9,  5,  5, 26, 26, 26, 26, 26, 26,  9,  5,  9,  5, 12,
-   12, 12,  9,  5,  2,  2,  2,  2,  2, 21, 21, 21, 21, 15, 21, 21,
-    5,  5,  5,  5,  5,  5,  2,  5,  2,  2,  2,  2,  2,  5,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  6,
-   21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 12,
-    7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  2,
-   21, 21, 20, 19, 20, 19, 21, 21, 21, 20, 19, 21, 20, 19, 21, 21,
-   21, 21, 21, 21, 21, 21, 21, 17, 21, 21, 17, 21, 20, 19, 21, 21,
-   20, 19, 22, 18, 22, 18, 22, 18, 22, 18, 21, 21, 21, 21, 21,  6,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 21, 21, 21, 21,
-   17, 21, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   26, 26, 21, 21, 21, 22, 18, 22, 18, 22, 18, 22, 18, 17,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2, 26, 26, 26, 26, 26,
-   26, 26, 26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,
-   29, 21, 21, 21, 26,  6,  7, 14, 22, 18, 22, 18, 22, 18, 22, 18,
-   22, 18, 26, 26, 22, 18, 22, 18, 22, 18, 22, 18, 17, 22, 18, 18,
-   26, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 10, 10,
-   17,  6,  6,  6,  6,  6, 26, 26, 14, 14, 14,  6,  7, 21, 26, 26,
-    7,  7,  7,  7,  7,  7,  7,  2,  2, 12, 12, 24, 24,  6,  6,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 21,  6,  6,  6,  7,
-    2,  2,  2,  2,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-   26, 26, 15, 15, 15, 15, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 15, 15, 15, 15, 15, 15,
-   26, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    7,  7,  7,  7,  7,  6,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  6, 21, 21, 21,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  7,  7,  2,  2,  2,  2,
-    9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  7, 12,
-   11, 11, 11, 21, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 21,  6,
-    9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  6,  6, 12, 12,
-    7,  7,  7,  7,  7,  7, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   12, 12, 21, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,
-   24, 24, 24, 24, 24, 24, 24,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-   24, 24,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    5,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    6,  5,  5,  5,  5,  5,  5,  5,  5,  9,  5,  9,  5,  9,  9,  5,
-    9,  5,  9,  5,  9,  5,  9,  5,  6, 24, 24,  9,  5,  9,  5,  7,
-    9,  5,  9,  5,  5,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  9,  9,  9,  9,  5,
-    9,  9,  9,  9,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,  9,  5,
-    9,  5,  9,  5,  9,  9,  9,  9,  5,  9,  5,  2,  2,  2,  2,  2,
-    9,  5,  2,  5,  2,  5,  9,  5,  9,  5,  2,  2,  2,  2,  2,  2,
-    2,  2,  6,  6,  6,  9,  5,  7,  6,  6,  5,  7,  7,  7,  7,  7,
-    7,  7, 12,  7,  7,  7, 12,  7,  7,  7,  7, 12,  7,  7,  7,  7,
-    7,  7,  7, 10, 10, 12, 12, 10, 26, 26, 26, 26, 12,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 26, 26, 23, 26,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,
-   10, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-   10, 10, 10, 10, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2, 21, 21,
-   12, 12,  7,  7,  7,  7,  7,  7, 21, 21, 21,  7, 21,  7,  7, 12,
-    7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12, 12, 12, 21, 21,
-    7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 10, 10,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 21,
-    7,  7,  7, 12, 10, 10, 12, 12, 12, 12, 10, 10, 12, 12, 10, 10,
-   10, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  6,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  2,  2, 21, 21,
-    7,  7,  7,  7,  7, 12,  6,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  7,  7,  7,  7,  7,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12, 10,
-   10, 12, 12, 10, 10, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7, 12,  7,  7,  7,  7,  7,  7,  7,  7, 12, 10,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2, 21, 21, 21, 21,
-    6,  7,  7,  7,  7,  7,  7, 26, 26, 26,  7, 10, 12, 10,  7,  7,
-   12,  7, 12, 12, 12,  7,  7, 12, 12,  7,  7,  7,  7,  7, 12, 12,
-    7, 12,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  7,  7,  6, 21, 21,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 10, 12, 12, 10, 10,
-   21, 21,  7,  6,  6, 10, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  7,  7,  7,  7,  7,  7,  2,  2,  7,  7,  7,  7,  7,  7,  2,
-    2,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 24,  6,  6,  6,  6,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  6, 24, 24,  2,  2,  2,  2,
-    7,  7,  7, 10, 10, 12, 10, 10, 12, 10, 10, 21, 10, 12,  2,  2,
-    7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  7,  7,  7,  7,  7,
-    4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    5,  5,  5,  5,  5,  5,  5,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  5,  5,  5,  5,  5,  2,  2,  2,  2,  2,  7, 12,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7, 25,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  2,  7,  2,
-    7,  7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   24, 24, 24,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 18, 22,
-    2,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2, 26,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 23, 26, 26, 26,
-   21, 21, 21, 21, 21, 21, 21, 22, 18, 21,  2,  2,  2,  2,  2,  2,
-   21, 17, 17, 16, 16, 22, 18, 22, 18, 22, 18, 22, 18, 22, 18, 22,
-   18, 22, 18, 22, 18, 21, 21, 22, 18, 21, 21, 21, 21, 16, 16, 16,
-   21, 21, 21,  2, 21, 21, 21, 21, 17, 22, 18, 22, 18, 22, 18, 21,
-   21, 21, 25, 17, 25, 25, 25,  2, 21, 23, 21, 21,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  1,
-    2, 21, 21, 21, 23, 21, 21, 21, 22, 18, 21, 25, 21, 17, 21, 21,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 22, 25, 18, 25, 22,
-   18, 21, 22, 18, 21, 21,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    6,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  6,  6,
-    2,  2,  7,  7,  7,  7,  7,  7,  2,  2,  7,  7,  7,  7,  7,  7,
-    2,  2,  7,  7,  7,  7,  7,  7,  2,  2,  7,  7,  7,  2,  2,  2,
-   23, 23, 25, 24, 26, 23, 23,  2, 26, 25, 25, 25, 25, 26, 26,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  1,  1,  1, 26, 26,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  2,  7,
-   21, 21, 21,  2,  2,  2,  2, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15,  2,  2,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   14, 14, 14, 14, 14, 15, 15, 15, 15, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 26, 26, 26,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,
-   26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 12,  2,  2,
-   12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,  2,  2,
-   15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2,  7,  7,  7,
-    7, 14,  7,  7,  7,  7,  7,  7,  7,  7, 14,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2, 21,
-    7,  7,  7,  7,  2,  2,  2,  2,  7,  7,  7,  7,  7,  7,  7,  7,
-   21, 14, 14, 14, 14, 14,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    9,  9,  9,  9,  9,  9,  9,  9,  5,  5,  5,  5,  5,  5,  5,  5,
-    9,  9,  9,  9,  2,  2,  2,  2,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 21,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  2,  9,  9,  9,  9,
-    9,  9,  9,  2,  9,  9,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  2,  5,  5,  2,  2,  2,
-    6,  6,  6,  6,  6,  6,  2,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-    6,  2,  6,  6,  6,  6,  6,  6,  6,  6,  6,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  2,  2,  7,  2,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  2,  7,  7,  2,  2,  2,  7,  2,  2,  7,
-    7,  7,  7,  7,  7,  7,  2, 21, 15, 15, 15, 15, 15, 15, 15, 15,
-    7,  7,  7,  7,  7,  7,  7, 26, 26, 15, 15, 15, 15, 15, 15, 15,
-    2,  2,  2,  2,  2,  2,  2, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    7,  7,  7,  2,  7,  7,  2,  2,  2,  2,  2, 15, 15, 15, 15, 15,
-    7,  7,  7,  7,  7,  7, 15, 15, 15, 15, 15, 15,  2,  2,  2, 21,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2, 21,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2, 15, 15,  7,  7,
-    2,  2, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    7, 12, 12, 12,  2, 12, 12,  2,  2,  2,  2,  2, 12, 12, 12, 12,
-    7,  7,  7,  7,  2,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  2,  2, 12, 12, 12,  2,  2,  2,  2, 12,
-   15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,
-   21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 15, 15, 21,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 15, 15, 15,
-    7,  7,  7,  7,  7,  7,  7,  7, 26,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7, 12, 12,  2,  2,  2,  2, 15, 15, 15, 15, 15,
-   21, 21, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  2,  2,  2, 21, 21, 21, 21, 21, 21, 21,
-    7,  7,  7,  7,  7,  7,  2,  2, 15, 15, 15, 15, 15, 15, 15, 15,
-    7,  7,  7,  2,  2,  2,  2,  2, 15, 15, 15, 15, 15, 15, 15, 15,
-    7,  7,  2,  2,  2,  2,  2,  2,  2, 21, 21, 21, 21,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2, 15, 15, 15, 15, 15, 15, 15,
-    9,  9,  9,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    5,  5,  5,  2,  2,  2,  2,  2,  2,  2, 15, 15, 15, 15, 15, 15,
-    7,  7,  7,  7, 12, 12, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2, 12, 12, 17,  2,  2,
-    7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15,  7,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 15, 15, 15, 15, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,
-    7,  7, 12, 12, 12, 12, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7, 15, 15, 15, 15, 15, 15, 15,  2,  2,  2,  2,
-   10, 12, 10,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 21, 21, 21, 21, 21, 21, 21,  2,  2,
-   15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   12,  7,  7, 12, 12,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2, 12,
-   10, 10, 10, 12, 12, 12, 12, 10, 10, 12, 12, 21, 21,  1, 21, 21,
-   21, 21, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  1,  2,  2,
-   12, 12, 12,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 10, 12, 12, 12,
-   12, 12, 12, 12, 12,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   21, 21, 21, 21,  7, 10, 10,  7,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7, 12, 21, 21,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7, 10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10,
-   10,  7,  7,  7,  7, 21, 21, 21, 21, 12, 12, 12, 12, 21, 10, 12,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  7, 21,  7, 21, 21, 21,
-    2, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 10, 10, 10, 12,
-   12, 12, 10, 10, 12, 10, 12, 12, 21, 21, 21, 21, 21, 21, 12,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  2,  7,  7,  7,  7,  2,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7, 21,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12,
-   10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12,  2,  2,  2,  2,  2,
-   12, 12, 10, 10,  2,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  7,
-    7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  2, 12, 12,  7, 10, 10,
-   12, 10, 10, 10, 10,  2,  2, 10, 10,  2,  2, 10, 10, 10,  2,  2,
-    7,  2,  2,  2,  2,  2,  2, 10,  2,  2,  2,  2,  2,  7,  7,  7,
-    7,  7, 10, 10,  2,  2, 12, 12, 12, 12, 12, 12, 12,  2,  2,  2,
-   12, 12, 12, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7, 10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12,
-   10, 10, 12, 12, 12, 10, 12,  7,  7,  7,  7, 21, 21, 21, 21, 21,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 21, 21,  2, 21, 12,  7,
-   10, 10, 10, 12, 12, 12, 12, 12, 12, 10, 12, 10, 10, 10, 10, 12,
-   12, 10, 12, 12,  7,  7, 21,  7,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 10,
-   10, 10, 12, 12, 12, 12,  2,  2, 10, 10, 10, 10, 12, 12, 10, 12,
-   12, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 21, 21, 21, 21, 21, 21,  7,  7,  7,  7, 12, 12,  2,  2,
-   10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 12, 10, 12,
-   12, 21, 21, 21,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 10, 12, 10, 10,
-   12, 12, 12, 12, 12, 12, 10, 12,  7, 21,  2,  2,  2,  2,  2,  2,
-   10, 10, 12, 12, 12, 12, 10, 12, 12, 12, 12, 12,  2,  2,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 15, 15, 21, 21, 21, 26,
-   12, 12, 12, 12, 12, 12, 12, 12, 10, 12, 12, 21,  2,  2,  2,  2,
-   15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  7,
-    7,  7,  7,  7,  7,  7,  7,  2,  2,  7,  2,  2,  7,  7,  7,  7,
-    7,  7,  7,  7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,
-   10, 10, 10, 10, 10, 10,  2, 10, 10,  2,  2, 12, 12, 10, 12,  7,
-   10,  7, 10, 12, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  7,  7,  7,  7,  7,  7,
-    7, 10, 10, 10, 12, 12, 12, 12,  2,  2, 12, 12, 10, 10, 10, 10,
-   12,  7, 21,  7, 10,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  7,  7,  7,  7,  7,
-    7,  7,  7, 12, 12, 12, 12, 12, 12, 10,  7, 12, 12, 12, 12, 21,
-   21, 21, 21, 21, 21, 21, 21, 12,  2,  2,  2,  2,  2,  2,  2,  2,
-    7, 12, 12, 12, 12, 12, 12, 10, 10, 12, 12, 12,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 10, 12, 12, 21, 21, 21,  7, 21, 21,
-   21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 12, 12,  2, 12, 12, 12, 12, 12, 12, 10, 12,
-    7, 21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   21, 21,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    2,  2, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12,  2, 10, 12, 12, 12, 12, 12, 12,
-   12, 10, 12, 12, 10, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  2,  7,  7,  7,  7,  7,
-    7, 12, 12, 12, 12, 12, 12,  2,  2,  2, 12,  2, 12, 12,  2, 12,
-   12, 12, 12, 12, 12, 12,  7, 12,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  2,  7,  7,  2,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 10, 10, 10, 10, 10,  2,
-   12, 12,  2, 10, 10, 12, 10, 12,  7,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7, 12, 12, 10, 10, 21, 21,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 26, 26, 26, 26, 26, 26, 26, 26, 23, 23, 23,
-   23, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 21,
-   14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,  2,
-   21, 21, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    7, 21, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    1,  1,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 21,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 12, 12, 21, 21, 21, 21, 21, 26, 26, 26, 26,
-    6,  6,  6,  6, 21, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2, 15, 15, 15, 15, 15,
-   15, 15,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2,  2,  7,  7,  7,
-   15, 15, 15, 15, 15, 15, 15, 21, 21, 21, 21,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2,  2,  2, 12,
-    7, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-   10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-   10, 10, 10, 10, 10, 10, 10, 10,  2,  2,  2,  2,  2,  2,  2, 12,
-   12, 12, 12,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-    6,  6, 21,  6, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   10, 10,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    6,  6,  6,  6,  2,  6,  6,  6,  6,  6,  6,  6,  2,  6,  6,  2,
-    7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  7,  7,  7,  7,  2,  2,  2,  2,  2,  2,  2,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  2, 26, 12, 12, 21,
-    1,  1,  1,  1,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2,  2,
-   12, 12, 12, 12, 12, 12, 12,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26,  2,  2, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 10, 10, 12, 12, 12, 26, 26, 26, 10, 10, 10,
-   10, 10, 10,  1,  1,  1,  1,  1,  1,  1,  1, 12, 12, 12, 12, 12,
-   12, 12, 12, 26, 26, 12, 12, 12, 12, 12, 12, 12, 26, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 12, 12, 12, 12, 26, 26,
-   26, 26, 12, 12, 12, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  5,  5,
-    5,  5,  5,  5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    9,  9,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  9,  2,  9,  9,
-    2,  2,  9,  2,  2,  9,  9,  2,  2,  9,  9,  9,  9,  2,  9,  9,
-    9,  9,  9,  9,  9,  9,  5,  5,  5,  5,  2,  5,  2,  5,  5,  5,
-    5,  5,  5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  9,  9,  2,  9,  9,  9,  9,  2,  2,  9,  9,  9,
-    9,  9,  9,  9,  9,  2,  9,  9,  9,  9,  9,  9,  9,  2,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  9,  9,  2,  9,  9,  9,  9,  2,
-    9,  9,  9,  9,  9,  2,  9,  2,  2,  2,  9,  9,  9,  9,  9,  9,
-    9,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  2,  2,  9,  9,  9,  9,  9,  9,  9,  9,
-    9, 25,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 25,  5,  5,  5,  5,
-    5,  5,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 25,  5,  5,  5,  5,
-    5,  5,  5,  5,  5, 25,  5,  5,  5,  5,  5,  5,  9,  9,  9,  9,
-    9,  9,  9,  9,  9, 25,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 25,
-    5,  5,  5,  5,  5,  5,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 25,
-    5,  5,  5,  5,  5,  5,  5,  5,  5, 25,  5,  5,  5,  5,  5,  5,
-    9,  9,  9,  9,  9,  9,  9,  9,  9, 25,  5,  5,  5,  5,  5,  5,
-    5,  5,  5, 25,  5,  5,  5,  5,  5,  5,  9,  5,  2,  2, 13, 13,
+    7,  7,  7,  7, 37,  7, 38, 39,  7, 40,  7,  7,  7, 41, 22, 42,
+    7,  7, 43,  7, 44, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   45, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   12, 12, 12, 12, 12, 12, 12, 26, 26, 26, 26, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 26, 26, 26,
-   26, 26, 26, 26, 26, 12, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26, 26, 12, 26, 26, 21, 21, 21, 21, 21,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 12, 12, 12, 12, 12,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  7,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  2,
-   12, 12, 12, 12, 12, 12, 12,  2, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12, 12, 12, 12, 12, 12, 12, 12,  2,  2, 12, 12, 12, 12, 12,
-   12, 12,  2, 12, 12,  2, 12, 12, 12, 12, 12,  2,  2,  2,  2,  2,
-   12, 12, 12, 12, 12, 12, 12,  6,  6,  6,  6,  6,  6,  6,  2,  2,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  2,  2,  7, 26,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 12, 12, 12, 12,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,  2,  2,  2,  2, 23,
-    7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  2,  7,  7,  2,
-    7,  7,  7,  7,  7,  2,  2, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    5,  5,  5,  5, 12, 12, 12, 12, 12, 12, 12,  6,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 26, 15, 15, 15,
-   23, 15, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 26, 15,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,
-    7,  7,  7,  7,  2,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    2,  7,  7,  2,  7,  2,  2,  7,  2,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  2,  7,  7,  7,  7,  2,  7,  2,  7,  2,  2,  2,  2,
-    2,  2,  7,  2,  2,  2,  2,  7,  2,  7,  2,  7,  2,  7,  7,  7,
-    2,  7,  7,  2,  7,  2,  2,  7,  2,  7,  2,  7,  2,  7,  2,  7,
-    2,  7,  7,  2,  7,  2,  2,  7,  7,  7,  7,  2,  7,  7,  7,  7,
-    7,  7,  7,  2,  7,  7,  7,  7,  2,  7,  7,  7,  7,  2,  7,  2,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,
-    2,  7,  7,  7,  2,  7,  7,  7,  7,  7,  2,  7,  7,  7,  7,  7,
-   25, 25,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,
-    2,  2,  2,  2,  2,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-   26, 26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,  2,  2,
-   26, 26,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 24, 24, 24, 24, 24,
-   26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2, 26, 26, 26,
-   26, 26, 26, 26, 26, 26, 26, 26,  2,  2,  2,  2,  2,  2,  2,  2,
-   26, 26, 26, 26, 26,  2,  2,  2, 26, 26, 26, 26, 26,  2,  2,  2,
-   26, 26, 26,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    2,  1,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  2,  2,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  0,  0,
-    0,  0,  0,  0,  0,  0,  1,  0,  0,  2,  0,  3,  4,  5,  6,  7,
-    8,  9, 10, 11, 12, 12, 12, 13, 14, 12, 15, 16, 17, 18, 19, 20,
-   21, 22,  0,  0,  0,  0, 23,  0,  0,  0,  0,  0,  0,  0, 24, 25,
-    0, 26, 27,  0, 28, 29, 30, 31, 32, 33,  0, 34,  0,  0,  0,  0,
-    0, 35,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0, 36, 37, 38,  0,  0,  0,  0,
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+   96, 96, 96, 96,210, 96,211,212,213, 96, 96,214, 96, 96, 96,215,
+   96, 96, 96, 96, 96,216,217,218,219, 96, 96, 96, 96, 96,220,221,
+  222, 96,223,224, 96, 96,225,226, 59,227,228, 96, 59, 59, 59, 59,
+   59, 59, 59,229,230,231,232,233, 59, 59,234,235, 59,236, 96, 96,
+   96, 96, 96, 96, 96, 96, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
+   70, 70, 70,237, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
+   70, 70, 70, 70,238, 70,239, 70, 70, 70, 70, 70, 70, 70, 70, 70,
+   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
+   70, 70, 70,240, 70, 70, 70, 70, 70, 70, 70, 70, 70,241, 96, 96,
+   96, 96, 96, 96, 96, 96, 70, 70, 70, 70,242, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96, 70, 70, 70, 70, 70, 70,243, 70, 70, 70,
+   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,244, 96, 96,
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    19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
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-   19,  0,  0,  0,  0,  0, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-   19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,  0, 19, 19,
-   19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,  0,
-    0,  0,  0,  0,  0,  0, 19, 19, 19, 19, 19,  0,  0,  0,  0,  0,
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+   19, 19, 19, 19, 19,  0, 19,  0,  0,  0,  0,  0,  0,  0, 19, 19,
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     1,  1,  1,  1,  1,  1,  9,  9,  9,  9,  0,  9,  9,  9,  2,  2,
     9,  9,  9,  9,  0,  9,  2,  2,  2,  2,  9,  0,  9,  0,  9,  9,
     9,  2,  9,  2,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
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-    9,  9,  9,  9,  9,  9,  9,  9, 55, 55, 55, 55, 55, 55, 55, 55,
+    2,  9,  9,  9,  9,  9,  9,  9, 55, 55, 55, 55, 55, 55, 55, 55,
    55, 55, 55, 55, 55, 55,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
-    6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  1,  1,  6,  6,  6,
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-    4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
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     4,  2,  2,  4,  4,  4,  2, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,  2,  2,
-    2,  2,  2,  2,  2,  2, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   14,  2,  2,  2,  2, 14, 14, 14, 14, 14, 14,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  0,  3,  3,  3,  3,
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-    3,  0,  3,  3,  3,  0,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  0,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  1,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  0,  3,  3, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
-   37, 37, 37, 37,  2, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
-   37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
+   14, 14, 14, 14, 14, 14,  2,  2,  2,  2,  2,  2,  2,  2, 14, 14,
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+    1,  1,  1,  1,  3,  3,  1,  3,  3,  3,  3,  3,  3,  3, 37, 37,
+   37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,  2, 37, 37, 37,
    37,  2,  2, 37, 37, 37, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
-   38, 38, 38, 38, 38, 38, 38, 38,  2,  2,  2,  2,  2,  2,  2,  2,
     2,  2,  2,  2,  2,  2, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
-   64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
    64,  2,  2, 64, 64, 64, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
-   90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
-   90, 90, 90, 90,  2,  2, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
-   90, 90, 90, 90, 90,  2, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
-   95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
-   95, 95,  2,  2, 95,  2, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
-   37,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  2,  3,  3,  2,  2,  2,  2,  2,  2,  3,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  0,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
+   90, 90, 90, 90,  2,  2, 90, 90, 90, 90, 90, 90, 90,  2, 95, 95,
+   95, 95, 95, 95, 95, 95, 95, 95, 95, 95,  2,  2, 95,  2, 37, 37,
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+    2,  2,  2,  2,  2,  2,  3,  3,  0,  3,  3,  3,  3,  3,  7,  7,
     7,  7,  7,  7,  7,  7,  7,  1,  1,  1,  1,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  0,  0,  7,  7,  7,  7,
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     5,  5,  5,  2,  2,  5,  5,  2,  2,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  2,
-    5,  5,  5,  5,  5,  5,  5,  2,  5,  2,  2,  2,  5,  5,  5,  5,
-    2,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  2,  2,  5,  5,  2,
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     2,  5,  5,  5,  5,  2,  2,  2,  2,  2,  2,  2,  2,  5,  2,  2,
     2,  2,  5,  5,  2,  5,  5,  5,  5,  5,  2,  2,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
     5,  5,  5,  5,  5,  2,  2, 11, 11, 11,  2, 11, 11, 11, 11, 11,
    11,  2,  2,  2,  2, 11, 11,  2,  2, 11, 11, 11, 11, 11, 11, 11,
-   11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,  2,
-   11, 11, 11, 11, 11, 11, 11,  2, 11, 11,  2, 11, 11,  2, 11, 11,
-    2,  2, 11,  2, 11, 11, 11, 11, 11,  2,  2,  2,  2, 11, 11,  2,
+   11, 11, 11, 11, 11, 11, 11,  2, 11, 11, 11, 11, 11, 11, 11,  2,
+   11, 11,  2, 11, 11,  2, 11, 11,  2,  2, 11,  2, 11, 11, 11,  2,
     2, 11, 11, 11,  2,  2,  2, 11,  2,  2,  2,  2,  2,  2,  2, 11,
    11, 11, 11,  2, 11,  2,  2,  2,  2,  2,  2,  2, 11, 11, 11, 11,
-   11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 10, 10, 10,  2, 10, 10, 10, 10, 10,
+   11, 11, 11, 11, 11,  2,  2, 10, 10, 10,  2, 10, 10, 10, 10, 10,
    10, 10, 10, 10,  2, 10, 10, 10,  2, 10, 10, 10, 10, 10, 10, 10,
-   10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  2,
-   10, 10, 10, 10, 10, 10, 10,  2, 10, 10,  2, 10, 10, 10, 10, 10,
-    2,  2, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  2, 10, 10, 10,
-    2, 10, 10, 10,  2,  2, 10,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 10, 10, 10, 10,  2,  2, 10, 10, 10, 10,
-   10, 10, 10, 10, 10, 10, 10, 10,  2,  2,  2,  2,  2,  2,  2, 10,
+   10, 10, 10, 10, 10, 10, 10,  2, 10, 10, 10, 10, 10, 10, 10,  2,
+   10, 10,  2, 10, 10, 10, 10, 10,  2,  2, 10, 10, 10, 10, 10, 10,
+    2, 10, 10, 10,  2,  2, 10,  2,  2,  2,  2,  2,  2,  2, 10, 10,
+   10, 10,  2,  2, 10, 10, 10, 10,  2,  2,  2,  2,  2,  2,  2, 10,
    10, 10, 10, 10, 10, 10,  2, 21, 21, 21,  2, 21, 21, 21, 21, 21,
    21, 21, 21,  2,  2, 21, 21,  2,  2, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,
-   21, 21, 21, 21, 21, 21, 21,  2, 21, 21,  2, 21, 21, 21, 21, 21,
-    2,  2, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  2, 21, 21,  2,
+   21, 21, 21, 21, 21, 21, 21,  2, 21, 21, 21, 21, 21, 21, 21,  2,
+   21, 21,  2, 21, 21, 21, 21, 21,  2,  2, 21, 21, 21, 21, 21,  2,
     2, 21, 21, 21,  2,  2,  2,  2,  2,  2,  2, 21, 21, 21,  2,  2,
-    2,  2, 21, 21,  2, 21, 21, 21, 21, 21,  2,  2, 21, 21, 21, 21,
-   21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2, 22, 22,  2, 22, 22, 22, 22, 22,
-   22,  2,  2,  2, 22, 22, 22,  2, 22, 22, 22, 22,  2,  2,  2, 22,
-   22,  2, 22,  2, 22, 22,  2,  2,  2, 22, 22,  2,  2,  2, 22, 22,
-   22,  2,  2,  2, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-    2,  2,  2,  2, 22, 22, 22, 22, 22,  2,  2,  2, 22, 22, 22,  2,
-   22, 22, 22, 22,  2,  2, 22,  2,  2,  2,  2,  2,  2, 22,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 22, 22, 22, 22,
-   22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-   22,  2,  2,  2,  2,  2, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-   23, 23, 23,  2, 23, 23, 23,  2, 23, 23, 23, 23, 23, 23, 23, 23,
-   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,  2,
-   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-    2,  2, 23, 23, 23, 23, 23, 23, 23, 23, 23,  2, 23, 23, 23,  2,
+    2,  2, 21, 21,  2, 21, 21, 21, 21, 21,  2,  2, 21, 21,  2,  2,
+   22, 22,  2, 22, 22, 22, 22, 22, 22,  2,  2,  2, 22, 22, 22,  2,
+   22, 22, 22, 22,  2,  2,  2, 22, 22,  2, 22,  2, 22, 22,  2,  2,
+    2, 22, 22,  2,  2,  2, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+    2,  2,  2,  2, 22, 22, 22,  2,  2,  2,  2,  2,  2, 22,  2,  2,
+    2,  2,  2,  2, 22, 22, 22, 22, 22,  2,  2,  2,  2,  2, 23, 23,
+   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,  2, 23, 23, 23,  2,
+   23, 23, 23, 23, 23, 23, 23, 23,  2,  2, 23, 23, 23, 23, 23,  2,
    23, 23, 23, 23,  2,  2,  2,  2,  2,  2,  2, 23, 23,  2, 23, 23,
-   23,  2,  2, 23,  2,  2, 23, 23, 23, 23,  2,  2, 23, 23, 23, 23,
-   23, 23, 23, 23, 23, 23,  2,  2,  2,  2,  2,  2,  2, 23, 23, 23,
-   23, 23, 23, 23, 23, 23, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+   23,  2,  2, 23,  2,  2, 23, 23, 23, 23,  2,  2, 23, 23,  2,  2,
+    2,  2,  2,  2,  2, 23, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16,  2, 16, 16, 16,  2, 16, 16, 16, 16, 16, 16, 16, 16,
-   16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,  2,
-   16, 16, 16, 16, 16, 16, 16, 16, 16, 16,  2, 16, 16, 16, 16, 16,
-    2,  2, 16, 16, 16, 16, 16, 16, 16, 16, 16,  2, 16, 16, 16,  2,
-   16, 16, 16, 16,  2,  2,  2,  2,  2,  2,  2, 16, 16,  2,  2,  2,
-    2,  2,  2, 16, 16,  2, 16, 16, 16, 16,  2,  2, 16, 16, 16, 16,
-   16, 16, 16, 16, 16, 16,  2, 16, 16,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-   20, 20, 20,  2, 20, 20, 20,  2, 20, 20, 20, 20, 20, 20, 20, 20,
-   20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+   16, 16,  2, 16, 16, 16, 16, 16,  2,  2, 16, 16, 16, 16, 16,  2,
+   16, 16, 16, 16,  2,  2,  2,  2,  2,  2,  2, 16, 16,  2, 16, 16,
+   16, 16,  2,  2, 16, 16,  2, 16, 16, 16,  2,  2,  2,  2, 20, 20,
    20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,  2, 20, 20, 20,  2,
    20, 20, 20, 20, 20, 20,  2,  2,  2,  2, 20, 20, 20, 20, 20, 20,
-   20, 20, 20, 20, 20, 20, 20, 20, 20, 20,  2,  2, 20, 20, 20, 20,
-   20, 20, 20, 20, 20, 20,  2, 36, 36, 36,  2, 36, 36, 36, 36, 36,
+   20, 20,  2,  2, 20, 20,  2, 36, 36, 36,  2, 36, 36, 36, 36, 36,
    36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,  2,  2,  2,
-   36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
    36, 36, 36, 36, 36, 36, 36, 36,  2, 36, 36, 36, 36, 36, 36, 36,
-   36, 36,  2, 36,  2,  2, 36, 36, 36, 36, 36, 36, 36,  2,  2,  2,
-   36,  2,  2,  2,  2, 36, 36, 36, 36, 36, 36,  2, 36,  2, 36, 36,
-   36, 36, 36, 36, 36, 36,  2,  2,  2,  2,  2,  2, 36, 36, 36, 36,
-   36, 36, 36, 36, 36, 36,  2,  2, 36, 36, 36,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   24,  2,  2,  2,  2,  0, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-   24, 24,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 18, 18,  2, 18,  2, 18, 18, 18, 18,
+   36, 36,  2, 36,  2,  2,  2,  2, 36,  2,  2,  2,  2, 36, 36, 36,
+   36, 36, 36,  2, 36,  2,  2,  2,  2,  2,  2,  2, 36, 36,  2,  2,
+   36, 36, 36,  2,  2,  2,  2, 24, 24, 24, 24, 24, 24, 24, 24, 24,
+   24, 24, 24, 24, 24, 24, 24, 24, 24,  2,  2,  2,  2,  0, 24, 24,
+   24, 24,  2,  2,  2,  2,  2, 18, 18,  2, 18,  2, 18, 18, 18, 18,
    18,  2, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
-   18, 18, 18, 18, 18, 18, 18, 18, 18, 18,  2, 18,  2, 18, 18, 18,
-   18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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-   25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
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    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  2,  2,  1,
     1,  0,  0, 15, 15, 15,  0, 17, 17, 17, 17, 17, 17, 17, 17, 17,
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-   12, 12, 12, 12, 12,  0, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17, 17, 17,  0, 17, 17, 17, 17, 17, 17, 17, 17,  0,  0,
-    0,  0,  0,  0,  0,  0, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
-   39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
-   39, 39, 39,  2,  2,  2, 39, 39, 39, 39, 39, 39, 39,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86,
-   86, 86, 86, 86, 86, 86, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
-   77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
-   77, 77,  2,  2,  2,  2, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
-   79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0, 19, 19, 19, 19, 19, 19, 19, 19,
-   19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,  0,  0,
-    0, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-   19,  2,  2,  2,  2,  2, 19, 19,  2, 19,  2, 19, 19, 19, 19, 19,
-    2,  2,  2,  2,  2,  2,  2,  2, 19, 19, 19, 19, 19, 19, 19, 19,
+   17, 17, 17, 17, 17, 17, 17, 17, 17,  0,  0, 17, 17, 17,  2,  2,
+    2,  2,  2, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,  2, 12,
+   12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,  2, 12, 12,
+   12, 12, 12, 12, 12,  0, 17, 17, 17, 17, 17, 17, 17,  0, 39, 39,
+   39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,  2,  2,  2, 39, 39,
+   39, 39, 39, 39, 39,  2, 86, 86, 86, 86, 86, 86, 86, 86, 77, 77,
+   77, 77, 77, 77, 77, 77, 77, 77, 77, 77,  2,  2,  2,  2, 79, 79,
+   79, 79, 79, 79, 79, 79,  0,  0, 19, 19, 19, 19, 19, 19,  0,  0,
+    0, 19, 19, 19, 19, 19, 19, 19, 19,  2,  2,  2,  2,  2, 19, 19,
+    2, 19,  2, 19, 19, 19, 19, 19,  2,  2,  2,  2,  2,  2,  2,  2,
    19, 19, 19, 19, 19, 19, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
-   60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
-   60, 60, 60,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    2,  2,  2,  2,  2,  2, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
-   65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,  2,  2,
-    2,  2,  2,  2,  2,  2, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
-   75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75,  2,  2,  2,  2,
-    2,  2,  2,  2, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
+   60, 60, 60,  2,  2,  2,  0,  0,  2,  2,  2,  2,  2,  2, 65, 65,
+   65, 65, 65, 65, 65, 65, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
+   75, 75, 75, 75,  2,  2,  2,  2,  2,  2,  2,  2, 75, 75, 75, 75,
     2,  2,  2,  2,  2,  2, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
-   69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
    69, 69, 69, 69,  0, 69, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74,
-   74, 74, 74, 74, 74, 74, 74, 74, 74, 74,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2, 74, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+   74, 74,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 74, 12, 12,
    12, 12, 12,  2,  2,  2, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
-   84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
-   84, 84, 84, 84,  2,  0, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
-    2,  2,  2,  2, 84, 84, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
+   84, 84, 84, 84,  2,  0, 84, 84,  2,  2,  2,  2, 84, 84, 33, 33,
    33, 33, 33, 33, 33,  2, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
-   68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
-   68, 68, 68, 68,  2,  2, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68,
+   68, 68, 68, 68, 68,  2, 68, 68, 68, 68, 68, 68,  2,  2, 68, 68,
     2,  2, 68, 68, 68, 68, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
-   92, 92, 92, 92, 92, 92, 92, 92, 92,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2, 92, 92, 92, 92, 92, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
-   87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 30, 30, 30, 30, 30, 30,  2,  2, 30,
-   30, 30, 30, 30, 30,  2,  2, 30, 30, 30, 30, 30, 30,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-   19,  0, 19, 19, 19, 19, 19, 19, 19, 19, 19,  9, 19, 19, 19, 19,
-    0,  0,  2,  2,  2,  2, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
-   87, 87, 87, 87,  2,  2, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
-    2,  2,  2,  2,  2,  2, 12, 12, 12, 12,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 12, 12, 12, 12, 12, 12, 12,  2,  2,  2,
-    2, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-   12, 12,  2,  2,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   13, 13, 13, 13,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+   92,  2,  2,  2,  2,  2,  2,  2,  2, 92, 92, 92, 92, 92, 87, 87,
+   87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87,  2,  2, 30,
+   30, 30, 30, 30, 30,  2, 19, 19, 19,  0, 19, 19, 19, 19, 19, 19,
+   19, 19, 19,  9, 19, 19, 19, 19,  0,  0,  2,  2,  2,  2, 87, 87,
+   87, 87, 87, 87,  2,  2, 87, 87,  2,  2,  2,  2,  2,  2, 12, 12,
+   12, 12,  2,  2,  2,  2,  2,  2,  2, 12, 12, 12, 12, 12, 13, 13,
     2,  2,  2,  2,  2,  2, 19, 19, 19, 19, 19, 19, 19,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  4,  4,  4,  4,  4,  2,  2,
-    2,  2,  2, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,  2, 14, 14,
-   14, 14, 14,  2, 14,  2, 14, 14,  2, 14, 14,  2, 14, 14, 14, 14,
-   14, 14, 14, 14, 14, 14,  3,  3,  3,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  0,  0,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  2,  2,
-    2,  2,  2,  2,  2,  3,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
-    1,  1,  1,  1,  6,  6,  0,  0,  0,  2,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,  0,  0,
-    0,  0,  2,  2,  2,  2,  3,  3,  3,  3,  3,  2,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  2,  2,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    2,  4,  4,  4,  4,  4,  2,  2,  2,  2,  2, 14, 14, 14, 14, 14,
+   14, 14, 14, 14, 14,  2, 14, 14, 14, 14, 14,  2, 14,  2, 14, 14,
+    2, 14, 14,  2, 14, 14,  3,  3,  3,  2,  2,  2,  2,  2,  2,  2,
+    2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  0,  0,  2,  2,
+    3,  3,  3,  3,  3,  3,  2,  2,  2,  2,  2,  2,  2,  3,  1,  1,
+    1,  1,  1,  1,  6,  6,  0,  0,  0,  2,  0,  0,  0,  0,  3,  3,
+    3,  3,  3,  2,  3,  3,  3,  3,  3,  3,  3,  2,  2,  0,  2,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 17, 17, 17, 17,
-   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17,  0,  0,  2,  2, 12, 12, 12, 12, 12, 12,  2,  2,
-   12, 12, 12, 12, 12, 12,  2,  2, 12, 12, 12, 12, 12, 12,  2,  2,
-   12, 12, 12,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  2,  0,  0,
-    0,  0,  0,  0,  0,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  0,
-    0,  0,  0,  0,  2,  2, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-   49, 49,  2, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-   49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,  2, 49, 49,
-   49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-   49,  2, 49, 49,  2, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-   49, 49, 49, 49,  2,  2, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-   49,  2,  2,  2,  2,  2,  0,  0,  0,  2,  2,  2,  2,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,  2,  2,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  2,  2,  2,  9,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+   12, 12, 12,  2,  2,  2,  2,  0,  0,  0,  0,  0,  2,  2, 49, 49,
+   49, 49, 49, 49, 49, 49, 49, 49, 49, 49,  2, 49, 49, 49, 49, 49,
+   49, 49, 49, 49, 49,  2, 49, 49, 49,  2, 49, 49,  2, 49, 49, 49,
+   49, 49, 49, 49,  2,  2, 49, 49, 49,  2,  2,  2,  2,  2,  0,  0,
+    0,  2,  2,  2,  2,  0,  0,  0,  0,  0,  2,  2,  2,  0,  0,  0,
+    0,  0,  0,  2,  2,  2,  9,  2,  2,  2,  2,  2,  2,  2,  0,  0,
     0,  0,  0,  1,  2,  2, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71,
-   71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71,
-   71, 71, 71,  2,  2,  2, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67,
-   67, 67, 67, 67, 67, 67, 67,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
+   71, 71, 71,  2,  2,  2, 67, 67, 67, 67, 67, 67, 67, 67, 67,  2,
+    2,  2,  2,  2,  2,  2,  1,  0,  0,  0,  0,  0,  0,  0, 42, 42,
    42, 42, 42, 42, 42, 42, 42, 42, 42, 42,  2,  2,  2,  2,  2,  2,
     2,  2,  2, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
-   41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
    41,  2,  2,  2,  2,  2,118,118,118,118,118,118,118,118,118,118,
-  118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,
   118,  2,  2,  2,  2,  2, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
-   53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
    53, 53, 53, 53,  2, 53, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,
-   59, 59, 59, 59, 59, 59, 59, 59, 59, 59,  2,  2,  2,  2, 59, 59,
-   59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
-   40, 40, 40, 40, 40, 40, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
-   51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
-   50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
-   50, 50, 50, 50,  2,  2, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
+   59, 59,  2,  2,  2,  2, 59, 59, 59, 59, 59, 59,  2,  2, 40, 40,
+   40, 40, 40, 40, 40, 40, 51, 51, 51, 51, 51, 51, 51, 51, 50, 50,
+   50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,  2,  2, 50, 50,
     2,  2,  2,  2,  2,  2,135,135,135,135,135,135,135,135,135,135,
-  135,135,135,135,135,135,135,135,135,135,  2,  2,  2,  2,135,135,
-  135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,
-  135,135,  2,  2,  2,  2,106,106,106,106,106,106,106,106,106,106,
-  106,106,106,106,106,106,106,106,106,106,106,106,106,106,  2,  2,
-    2,  2,  2,  2,  2,  2,104,104,104,104,104,104,104,104,104,104,
+  135,135,  2,  2,  2,  2,106,106,106,106,106,106,106,106,104,104,
   104,104,104,104,104,104,104,104,104,104,  2,  2,  2,  2,  2,  2,
     2,  2,  2,  2,  2,104,161,161,161,161,161,161,161,161,161,161,
   161,  2,161,161,161,161,161,161,161,  2,161,161,  2,161,161,161,
-  161,161,161,161,161,161,161,161,  2,161,161,161,161,161,161,161,
-  161,161,161,161,161,161,161,161,  2,161,161,161,161,161,161,161,
-    2,161,161,  2,  2,  2,110,110,110,110,110,110,110,110,110,110,
-  110,110,110,110,110,110,110,110,110,110,110,110,110,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,110,110,110,110,110,110,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,110,110,110,110,110,110,110,110,  2,  2,
-    2,  2,  2,  2,  2,  2, 19, 19, 19, 19, 19, 19,  2, 19, 19, 19,
-   19, 19, 19, 19, 19, 19, 19,  2, 19, 19, 19, 19, 19, 19, 19, 19,
-   19,  2,  2,  2,  2,  2, 47, 47, 47, 47, 47, 47,  2,  2, 47,  2,
+    2,161,161,161,161,161,161,161,  2,161,161,  2,  2,  2,110,110,
+  110,110,110,110,110,110,110,110,110,110,110,110,110,  2,110,110,
+  110,110,110,110,  2,  2, 19, 19, 19, 19, 19, 19,  2, 19, 19,  2,
+   19, 19, 19, 19, 19, 19, 47, 47, 47, 47, 47, 47,  2,  2, 47,  2,
    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
-   47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,  2, 47, 47,  2,
-    2,  2, 47,  2,  2, 47, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
-   81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,  2, 81, 81, 81,
-   81, 81, 81, 81, 81, 81,120,120,120,120,120,120,120,120,120,120,
+   47, 47, 47, 47,  2, 47, 47,  2,  2,  2, 47,  2,  2, 47, 81, 81,
+   81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,  2, 81,120,120,
   120,120,120,120,120,120,116,116,116,116,116,116,116,116,116,116,
-  116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,
-  116,116,116,116,116,  2,  2,  2,  2,  2,  2,  2,  2,116,116,116,
-  116,116,116,116,116,116,128,128,128,128,128,128,128,128,128,128,
+  116,116,116,116,116,  2,  2,  2,  2,  2,  2,  2,  2,116,128,128,
   128,128,128,128,128,128,128,128,128,  2,128,128,  2,  2,  2,  2,
     2,128,128,128,128,128, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66,
-   66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66,
    66, 66,  2,  2,  2, 66, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
-   72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
-    2,  2,  2,  2,  2, 72, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98,
-   98, 98, 98, 98, 98, 98, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
-   97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,  2,  2,
-    2,  2, 97, 97, 97, 97,  2,  2, 97, 97, 97, 97, 97, 97, 97, 97,
+    2,  2,  2,  2,  2, 72, 98, 98, 98, 98, 98, 98, 98, 98, 97, 97,
+   97, 97, 97, 97, 97, 97,  2,  2,  2,  2, 97, 97, 97, 97,  2,  2,
    97, 97, 97, 97, 97, 97, 57, 57, 57, 57,  2, 57, 57,  2,  2,  2,
     2,  2, 57, 57, 57, 57, 57, 57, 57, 57,  2, 57, 57, 57,  2, 57,
    57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
-   57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,  2,  2, 57, 57,
-   57,  2,  2,  2,  2, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,  2,
-    2,  2,  2,  2,  2,  2, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88,
-   88, 88, 88, 88, 88, 88,117,117,117,117,117,117,117,117,117,117,
+   57, 57, 57, 57,  2,  2, 57, 57, 57,  2,  2,  2,  2, 57, 57,  2,
+    2,  2,  2,  2,  2,  2, 88, 88, 88, 88, 88, 88, 88, 88,117,117,
   117,117,117,117,117,117,112,112,112,112,112,112,112,112,112,112,
-  112,112,112,112,112,112,112,112,112,112,112,112,112,  2,  2,  2,
-    2,112,112,112,112,112,112,112,112,112,112,112,112,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78,
+  112,112,112,112,112,  2,  2,  2,  2,112,112,112,112,112, 78, 78,
    78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78,  2,  2,  2, 78,
    78, 78, 78, 78, 78, 78, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
-   83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,  2,  2, 83, 83,
-   83, 83, 83, 83, 83, 83, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
-   82, 82, 82, 82, 82, 82, 82, 82, 82,  2,  2,  2,  2,  2, 82, 82,
-   82, 82, 82, 82, 82, 82,122,122,122,122,122,122,122,122,122,122,
-  122,122,122,122,122,122,122,122,  2,  2,  2,  2,  2,  2,  2,122,
-  122,122,122,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,122,
-  122,122,122,122,122,122, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,
-   89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89,  2,
+   83, 83, 83, 83,  2,  2, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
+   82,  2,  2,  2,  2,  2,122,122,122,122,122,122,122,122,122,122,
+    2,  2,  2,  2,  2,  2,  2,122,122,122,122,  2,  2,  2,  2,122,
+  122,122,122,122,122,122, 89, 89, 89, 89, 89, 89, 89, 89, 89,  2,
     2,  2,  2,  2,  2,  2,130,130,130,130,130,130,130,130,130,130,
-  130,130,130,130,130,130,130,130,130,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,130,130,130,  2,  2,  2,  2,  2,  2,  2,
-  130,130,130,130,130,130,144,144,144,144,144,144,144,144,144,144,
-  144,144,144,144,144,144,144,144,144,144,144,144,144,144,  2,  2,
-    2,  2,  2,  2,  2,  2,144,144,144,144,144,144,144,144,144,144,
-    2,  2,  2,  2,  2,  2,156,156,156,156,156,156,156,156,156,156,
-  156,156,156,156,156,156,156,156,156,156,156,156,156,156,156,156,
-    2,156,156,156,  2,  2,156,156,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,147,147,147,147,147,147,147,147,147,147,
-  147,147,147,147,147,147,147,147,147,147,147,147,147,147,  2,  2,
-    2,  2,  2,  2,  2,  2,148,148,148,148,148,148,148,148,148,148,
-  148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,
+  130,  2,  2,  2,  2,  2,  2,  2,130,130,130,130,130,130,144,144,
+  144,144,144,144,144,144,144,144,  2,  2,  2,  2,  2,  2,156,156,
+  156,156,156,156,156,156,156,156,  2,156,156,156,  2,  2,156,156,
+    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  3,147,147,
+  147,147,147,147,147,147,148,148,148,148,148,148,148,148,148,148,
     2,  2,  2,  2,  2,  2,158,158,158,158,158,158,158,158,158,158,
-  158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,
     2,  2,  2,  2,  2,  2,153,153,153,153,153,153,153,153,153,153,
-  153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,
   153,153,  2,  2,  2,  2,149,149,149,149,149,149,149,149,149,149,
-  149,149,149,149,149,149,149,149,149,149,149,149,149,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
-   94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
-   94, 94, 94, 94,  2,  2,  2,  2, 94, 94, 94, 94, 94, 94, 94, 94,
-   94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,  2,  2,  2,  2,
+  149,149,149,149,149,  2, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
+   94, 94, 94, 94,  2,  2,  2,  2, 94, 94, 94, 94, 94, 94,  2,  2,
     2,  2,  2,  2,  2, 94, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85,
-   85, 85, 85, 85, 85, 85, 85, 85, 85,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2, 85,  2,  2,101,101,101,101,101,101,101,101,101,101,
-  101,101,101,101,101,101,101,101,101,101,101,101,101,101,101,  2,
-    2,  2,  2,  2,  2,  2,101,101,101,101,101,101,101,101,101,101,
+   85,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 85,  2,  2,101,101,
+  101,101,101,101,101,101,101,  2,  2,  2,  2,  2,  2,  2,101,101,
     2,  2,  2,  2,  2,  2, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,  2, 96, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,  2,  2,
-    2,  2,  2,  2,  2,  2,111,111,111,111,111,111,111,111,111,111,
-  111,111,111,111,111,111,111,111,111,111,111,111,111,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,100,100,100,100,100,100,100,100,100,100,
-  100,100,100,100,100,100,  2, 36, 36, 36, 36, 36, 36, 36, 36, 36,
-   36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,108,108,108,108,108,108,108,108,108,108,
+   96, 96, 96,  2, 96, 96,111,111,111,111,111,111,111,111,111,111,
+  111,111,111,111,111,  2,100,100,100,100,100,100,100,100,  2, 36,
+   36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,  2,  2,  2,108,108,
   108,108,108,108,108,108,108,108,  2,108,108,108,108,108,108,108,
-  108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,
-  108,108,108,108,108,  2,129,129,129,129,129,129,129,  2,129,  2,
-  129,129,129,129,  2,129,129,129,129,129,129,129,129,129,129,129,
+    2,  2,  2,  2,  2,  2,129,129,129,129,129,129,129,  2,129,  2,
   129,129,129,129,  2,129,129,129,129,129,129,129,129,129,129,129,
-    2,  2,  2,  2,  2,  2,109,109,109,109,109,109,109,109,109,109,
-  109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,
-  109,  2,  2,  2,  2,  2,109,109,109,109,109,109,109,109,109,109,
+  129,129,129,129,  2,129,129,129,  2,  2,  2,  2,  2,  2,109,109,
+  109,109,109,109,109,109,109,109,109,  2,  2,  2,  2,  2,109,109,
     2,  2,  2,  2,  2,  2,107,107,107,107,  2,107,107,107,107,107,
   107,107,107,  2,  2,107,107,  2,  2,107,107,107,107,107,107,107,
-  107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,  2,
-  107,107,107,107,107,107,107,  2,107,107,  2,107,107,107,107,107,
-    2,  1,107,107,107,107,107,107,107,107,107,  2,  2,107,107,  2,
+  107,107,107,107,107,107,107,  2,107,107,107,107,107,107,107,  2,
+  107,107,  2,107,107,107,107,107,  2,  1,107,107,107,107,107,  2,
     2,107,107,107,  2,  2,107,  2,  2,  2,  2,  2,  2,107,  2,  2,
     2,  2,  2,107,107,107,107,107,107,107,  2,  2,107,107,107,107,
-  107,107,107,  2,  2,  2,107,107,107,107,107,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,137,137,137,137,137,137,137,137,137,137,
-  137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,
-  137,137,  2,137,137,137,137,137,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,124,124,124,124,124,124,124,124,124,124,
-  124,124,124,124,124,124,124,124,124,124,124,124,124,124,  2,  2,
-    2,  2,  2,  2,  2,  2,124,124,124,124,124,124,124,124,124,124,
-    2,  2,  2,  2,  2,  2,123,123,123,123,123,123,123,123,123,123,
-  123,123,123,123,123,123,123,123,123,123,123,123,  2,  2,123,123,
-  123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,
-  123,123,123,123,  2,  2,114,114,114,114,114,114,114,114,114,114,
-  114,114,114,114,114,114,114,114,114,114,114,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,114,114,114,114,114,114,114,114,114,114,
-    2,  2,  2,  2,  2,  2, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
-   32, 32, 32,  2,  2,  2,102,102,102,102,102,102,102,102,102,102,
-  102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,
-    2,  2,  2,  2,  2,  2,126,126,126,126,126,126,126,126,126,126,
-  126,126,126,126,126,126,126,126,126,126,126,126,126,126,126,126,
-  126,  2,  2,126,126,126,126,126,126,126,126,126,126,126,126,126,
-  126,126,  2,  2,  2,  2,126,126,126,126,126,126,126,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,142,142,142,142,142,142,142,142,142,142,
-  142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,
-  142,142,  2,  2,  2,  2,125,125,125,125,125,125,125,125,125,125,
+  107,107,107,  2,  2,  2,137,137,137,137,137,137,137,137,137,137,
+  137,137,  2,137,137,137,137,137,  2,  2,  2,  2,  2,  2,124,124,
+  124,124,124,124,124,124,124,124,  2,  2,  2,  2,  2,  2,123,123,
+  123,123,123,123,123,123,123,123,123,123,123,123,  2,  2,114,114,
+  114,114,114,114,114,114,114,114,114,114,114,  2,  2,  2,114,114,
+    2,  2,  2,  2,  2,  2, 32, 32, 32, 32, 32,  2,  2,  2,102,102,
+  102,102,102,102,102,102,102,102,  2,  2,  2,  2,  2,  2,126,126,
+  126,126,126,126,126,126,126,126,126,  2,  2,126,126,126,126,126,
+  126,126,  2,  2,  2,  2,126,126,126,126,126,126,126,  2,142,142,
+  142,142,142,142,142,142,142,142,142,142,  2,  2,  2,  2,125,125,
   125,125,125,125,125,125,125,125,125,  2,  2,  2,  2,  2,  2,  2,
     2,  2,  2,  2,  2,125,154,154,154,154,154,154,154,  2,  2,154,
     2,  2,154,154,154,154,154,154,154,154,  2,154,154,  2,154,154,
-  154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,
   154,154,154,154,154,154,154,154,154,154,154,154,  2,154,154,  2,
-    2,154,154,154,154,154,154,154,154,154,154,154,154,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,154,154,154,154,154,154,154,154,154,154,
-    2,  2,  2,  2,  2,  2,150,150,150,150,150,150,150,150,  2,  2,
-  150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,
-  150,150,150,150,150,150,150,150,150,150,150,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,141,141,141,141,141,141,141,141,141,141,
-  141,141,141,141,141,141,141,141,141,141,141,141,141,141,  2,  2,
-    2,  2,  2,  2,  2,  2,140,140,140,140,140,140,140,140,140,140,
-  140,140,140,140,140,140,140,140,140,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,121,121,121,121,121,121,121,121,121,121,
-  121,121,121,121,121,121,121,121,121,121,121,121,121,121,121,  2,
+    2,154,154,154,154,154,154,154,  2,  2,  2,  2,  2,  2,150,150,
+  150,150,150,150,150,150,  2,  2,150,150,150,150,150,150,150,150,
+  150,150,150,  2,  2,  2,141,141,141,141,141,141,141,141,140,140,
+  140,140,140,140,140,140,140,140,140,  2,  2,  2,  2,  2,121,121,
+  121,121,121,121,121,121,121,  2,  2,  2,  2,  2,  2,  2,  7,  7,
     2,  2,  2,  2,  2,  2,133,133,133,133,133,133,133,133,133,  2,
-  133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,
   133,133,133,133,133,133,133,133,133,133,133,133,133,  2,133,133,
-  133,133,133,133,133,133,133,133,133,133,133,133,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,133,133,133,133,133,133,133,133,133,133,
-  133,133,133,  2,  2,  2,134,134,134,134,134,134,134,134,134,134,
-  134,134,134,134,134,134,  2,  2,134,134,134,134,134,134,134,134,
-  134,134,134,134,134,134,134,134,134,134,134,134,134,134,  2,134,
-  134,134,134,134,134,134,134,134,134,134,134,134,134,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,138,138,138,138,138,138,138,  2,138,138,
-    2,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,
-  138,138,138,138,138,138,138,138,138,138,138,138,138,  2,  2,  2,
-  138,  2,138,138,  2,138,138,138,138,138,138,138,138,138,  2,  2,
-    2,  2,  2,  2,  2,  2,138,138,138,138,138,138,138,138,138,138,
+  133,133,133,133,  2,  2,133,133,133,133,133,  2,  2,  2,134,134,
+  134,134,134,134,134,134,  2,  2,134,134,134,134,134,134,  2,134,
+  134,134,134,134,134,134,134,134,134,134,134,134,134,  2,138,138,
+  138,138,138,138,138,  2,138,138,  2,138,138,138,138,138,138,138,
+  138,138,138,138,138,138,  2,  2,138,  2,138,138,  2,138,138,138,
     2,  2,  2,  2,  2,  2,143,143,143,143,143,143,  2,143,143,  2,
   143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,
-  143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,
   143,143,143,143,143,  2,143,143,  2,143,143,143,143,143,143,  2,
-    2,  2,  2,  2,  2,  2,143,143,143,143,143,143,143,143,143,143,
-    2,  2,  2,  2,  2,  2,145,145,145,145,145,145,145,145,145,145,
-  145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,  2,
-    2,  2,  2,  2,  2,  2, 86,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-   22, 22, 22, 22, 22, 22, 22, 22,  2,  2,  2,  2,  2,  2,  2,  2,
+    2,  2,  2,  2,  2,  2,143,143,  2,  2,  2,  2,  2,  2,145,145,
+  145,145,145,145,145,145,145,  2,  2,  2,  2,  2,  2,  2,163,163,
+  163,163,163,163,163,163,163,  2,163,163,163,163,163,163,163,163,
+  163,  2,  2,  2,163,163,163,163,  2,  2,  2,  2,  2,  2, 86,  2,
+    2,  2,  2,  2,  2,  2, 22, 22,  2,  2,  2,  2,  2,  2,  2,  2,
     2,  2,  2,  2,  2, 22, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
-   63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
-    2,  2,  2,  2,  2,  2, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
-   63, 63, 63, 63, 63,  2, 63, 63, 63, 63, 63,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 63, 63, 63, 63,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,157,157,157,157,157,157,157,157,157,157,
-  157,157,157,157,157,157,157,157,157,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
-   80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
-   80, 80, 80, 80, 80,  2, 80, 80, 80, 80, 80, 80, 80, 80, 80,  2,
-    2,  2,  2,  2,  2,  2,127,127,127,127,127,127,127,127,127,127,
-  127,127,127,127,127,127,127,127,127,127,127,127,127,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 79, 79, 79, 79, 79, 79, 79, 79, 79,  2,
+    2,  2,  2,  2,  2,  2, 63, 63, 63, 63, 63, 63, 63,  2, 63, 63,
+   63, 63, 63,  2,  2,  2, 63, 63, 63, 63,  2,  2,  2,  2,157,157,
+  157,157,157,157,157,157,157,157,157,  2,  2,  2,  2,  2, 80, 80,
+   80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,  2,  2,127,127,
+  127,127,127,127,127,127,127,127,127,127,127,127,127,  2, 79,  2,
     2,  2,  2,  2,  2,  2,115,115,115,115,115,115,115,115,115,115,
-  115,115,115,115,115,115,115,115,115,115,115,115,115,115,115,115,
-  115,115,115,115,115,  2,115,115,115,115,115,115,115,115,115,115,
-    2,  2,  2,  2,115,115,159,159,159,159,159,159,159,159,159,159,
-  159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,
-  159,159,159,159,159,  2,159,159,159,159,159,159,159,159,159,159,
+  115,115,115,115,115,  2,115,115,  2,  2,  2,  2,115,115,159,159,
+  159,159,159,159,159,159,159,159,159,159,159,159,159,  2,159,159,
     2,  2,  2,  2,  2,  2,103,103,103,103,103,103,103,103,103,103,
-  103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,
-  103,103,103,103,  2,  2,103,103,103,103,103,103,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,119,119,119,119,119,119,119,119,119,119,
-  119,119,119,119,119,119,119,119,119,119,119,119,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,119,119,119,119,119,119,119,119,119,119,
-    2,119,119,119,119,119,119,119,  2,119,119,119,119,119,119,119,
-  119,119,119,119,119,119,119,119,119,119,119,119,119,119,  2,  2,
+  103,103,103,103,  2,  2,119,119,119,119,119,119,119,119,119,119,
+  119,119,119,119,  2,  2,119,119,  2,119,119,119,119,119,  2,  2,
     2,  2,  2,119,119,119,146,146,146,146,146,146,146,146,146,146,
-  146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,
   146,  2,  2,  2,  2,  2, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-   99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-   99,  2,  2,  2,  2, 99, 99, 99, 99, 99, 99, 99, 99, 99,  2,  2,
-    2,  2,  2,  2,  2, 99,136,139, 13, 13,155,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 13, 13,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,136,136,136,136,136,136,136,136,136,136,
-  136,136,136,136,136,136,136,136,136,136,136,136,136,136,  2,  2,
-    2,  2,  2,  2,  2,  2,155,155,155,155,155,155,155,155,155,155,
-  155,155,155,155,155,155,155,155,155,155,155,155,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,136,136,136,136,136,136,136,136,136,  2,
+   99,  2,  2,  2,  2, 99,  2,  2,  2,  2,  2,  2,  2, 99,136,139,
+   13, 13,155,  2,  2,  2,136,136,136,136,136,136,136,136,155,155,
+  155,155,155,155,155,155,155,155,155,155,155,155,  2,  2,136,  2,
     2,  2,  2,  2,  2,  2, 17, 17, 17, 17,  2, 17, 17, 17, 17, 17,
-   17, 17,  2, 17, 17,  2, 17, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-   15, 15, 15, 15, 15, 15, 17, 17, 17,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 17, 17, 17, 17,  2,  2,
-    2,  2,  2,  2,  2,  2,139,139,139,139,139,139,139,139,139,139,
-  139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,
-  139,139,  2,  2,  2,  2,105,105,105,105,105,105,105,105,105,105,
-  105,105,105,105,105,105,105,105,105,105,105,105,105,105,105,105,
-  105,  2,  2,  2,  2,  2,105,105,105,105,105,105,105,105,105,105,
-  105,105,105,  2,  2,  2,105,105,105,105,105,105,105,105,105,  2,
-    2,  2,  2,  2,  2,  2,105,105,105,105,105,105,105,105,105,105,
-    2,  2,105,105,105,105,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
-    1,  1,  1,  1,  2,  2,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  2,  2,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+   17, 17,  2, 17, 17,  2, 17, 15, 15, 15, 15, 15, 15, 15, 17, 17,
+   17,  2,  2,  2,  2,  2,  2,  2, 15,  2,  2,  2,  2,  2, 15, 15,
+   15,  2,  2, 17,  2,  2,  2,  2,  2,  2, 17, 17, 17, 17,139,139,
+  139,139,139,139,139,139,139,139,139,139,  2,  2,  2,  2,105,105,
+  105,105,105,105,105,105,105,105,105,  2,  2,  2,  2,  2,105,105,
+  105,105,105,  2,  2,  2,105,  2,  2,  2,  2,  2,  2,  2,105,105,
+    2,  2,105,105,105,105,  1,  1,  1,  1,  1,  1,  2,  2,  0,  0,
+    0,  0,  0,  0,  0,  1,  1,  1,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  1,  1,  1,  1,  1,  1,  1,  1,  0,  0,  1,  1,  1,  1,  1,
-    1,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    1,  1,  1,  1,  0,  0,  9,  9,  9,  9,  9,  9,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  2,  0,  0,  2,  2,  0,  2,  2,  0,  0,  2,  2,  0,
-    0,  0,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    1,  1,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  0,  0,  2,  2,
+    0,  2,  2,  0,  0,  2,  2,  0,  0,  0,  0,  2,  0,  0,  0,  0,
     2,  0,  2,  0,  0,  0,  0,  0,  0,  0,  2,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,  0,  0,  0,
-    0,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  2,  0,  0,  0,  0,
-    0,  0,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    2,  0,  0,  0,  0,  2,  0,  0,  0,  0,  0,  2,  0,  2,  2,  2,
-    0,  0,  0,  0,  0,  0,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,  2,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  2,  2,  0,  0,131,131,131,131,131,131,131,131,131,131,
-  131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,
-  131,131,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,131,131,131,131,131,  2,131,131,131,131,131,131,131,131,131,
-  131,131,131,131,131,131, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-   19, 19, 19, 19, 19,  2, 56, 56, 56, 56, 56, 56, 56,  2, 56, 56,
-   56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,  2,
-    2, 56, 56, 56, 56, 56, 56, 56,  2, 56, 56,  2, 56, 56, 56, 56,
-   56,  2,  2,  2,  2,  2,151,151,151,151,151,151,151,151,151,151,
-  151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,
-  151,151,151,  2,  2,  2,151,151,151,151,151,151,151,151,151,151,
-  151,151,151,151,  2,  2,151,151,151,151,151,151,151,151,151,151,
-    2,  2,  2,  2,151,151,160,160,160,160,160,160,160,160,160,160,
-  160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
-  160,160,160,160,160,  2,152,152,152,152,152,152,152,152,152,152,
-  152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,
-    2,  2,  2,  2,  2,152, 30, 30, 30, 30, 30, 30, 30,  2, 30, 30,
-   30, 30,  2, 30, 30,  2, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-   30, 30, 30, 30, 30,  2,113,113,113,113,113,113,113,113,113,113,
-  113,113,113,113,113,113,113,113,113,113,113,  2,  2,113,113,113,
-  113,113,113,113,113,113,113,113,113,113,113,113,113,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,132,132,132,132,132,132,132,132,132,132,
-  132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,
-  132,132,  2,  2,  2,  2,132,132,132,132,132,132,132,132,132,132,
-    2,  2,  2,  2,132,132,  0,  0,  0,  0,  0,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  2,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  2,  3,  3,  2,  3,  2,  2,  3,  2,  3,
-    3,  3,  3,  3,  3,  3,  3,  3,  3,  2,  3,  3,  3,  3,  2,  3,
-    2,  3,  2,  2,  2,  2,  2,  2,  3,  2,  2,  2,  2,  3,  2,  3,
-    2,  3,  2,  3,  3,  3,  2,  3,  3,  2,  3,  2,  2,  3,  2,  3,
-    2,  3,  2,  3,  2,  3,  2,  3,  3,  2,  3,  2,  2,  3,  3,  3,
-    3,  2,  3,  3,  3,  3,  3,  3,  3,  2,  3,  3,  3,  3,  2,  3,
-    3,  3,  3,  2,  3,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  2,  2,  2,  2,  2,  3,  3,  3,  2,  3,  3,  3,  3,  3,
-    2,  3,  3,  3,  3,  3,  3,  3,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 15,  0,  0,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  2,  2,
-    2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  0,  2,  2,  2,  0,  0,
-    0,  0,  0,  2,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13,  2,
-    2,  2,  2,  2,  2,  2, 13,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   13,  2,  2,  2,  2,  2,  2,  0,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  0,  0,  0,  1,  2,  3,  4,  5,  6,  0,
-    0,  0,  0,  7,  8,  9, 10, 11,  0, 12,  0,  0,  0,  0, 13,  0,
-    0, 14,  0,  0,  0,  0,  0,  0,  0,  0, 15, 16,  0, 17, 18, 19,
-    0,  0,  0, 20, 21, 22,  0, 23,  0, 24,  0, 25,  0, 26,  0,  0,
-    0,  0,  0, 27, 28,  0, 29,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  2,  2,  0,  0,  0,  0,  0,  2,  0,  0,  0,  0,  2,  0,  0,
+    0,  0,  0,  2,  0,  2,  2,  2,  0,  0,  0,  0,  0,  0,  0,  2,
+    0,  0,  0,  0,  0,  0,131,131,131,131,131,131,131,131,131,131,
+  131,131,  2,  2,  2,  2,  2,  2,  2,131,131,131,131,131,  2,131,
+  131,131,131,131,131,131,  2,  2,  2,  2,  2, 19, 19, 19, 56, 56,
+   56, 56, 56, 56, 56,  2, 56,  2,  2, 56, 56, 56, 56, 56, 56, 56,
+    2, 56, 56,  2, 56, 56, 56, 56, 56,  2,  2,  2,  2,  2,  6,  6,
+    6,  6,  6,  6,  2,  2,  2,  2,  2,  2,  2,  2,  2,  6,151,151,
+  151,151,151,151,151,151,151,151,151,151,151,  2,  2,  2,151,151,
+  151,151,151,151,  2,  2,151,151,  2,  2,  2,  2,151,151,160,160,
+  160,160,160,160,160,160,160,160,160,160,160,160,160,  2,152,152,
+  152,152,152,152,152,152,152,152,  2,  2,  2,  2,  2,152,164,164,
+  164,164,164,164,164,164,164,164,  2,  2,  2,  2,  2,  2, 30, 30,
+   30, 30,  2, 30, 30,  2,113,113,113,113,113,113,113,113,113,113,
+  113,113,113,  2,  2,113,113,113,113,113,113,113,113,  2,132,132,
+  132,132,132,132,132,132,132,132,132,132,  2,  2,  2,  2,132,132,
+    2,  2,  2,  2,132,132,  3,  3,  3,  3,  2,  3,  3,  3,  2,  3,
+    3,  2,  3,  2,  2,  3,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,
+    3,  2,  3,  3,  3,  3,  2,  3,  2,  3,  2,  2,  2,  2,  2,  2,
+    3,  2,  2,  2,  2,  3,  2,  3,  2,  3,  2,  3,  3,  3,  2,  3,
+    2,  3,  2,  3,  2,  3,  2,  3,  3,  3,  3,  2,  3,  2,  3,  3,
+    2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  2,  2,  2,  2,  2,  3,
+    3,  3,  2,  3,  3,  3,  2,  2,  2,  2,  2,  2,  0,  0, 15,  0,
+    0,  2,  2,  2,  2,  2,  2,  2,  2,  2,  0,  0,  0,  0,  2,  2,
+    2,  0,  0,  0,  0,  0, 13,  2,  2,  2,  2,  2,  2,  2, 13, 13,
+   13,  2,  2,  2,  2,  2,  2,  0,  2,  2,  2,  2,  2,  2,  0,  1,
+    2,  3,  4,  5,  6,  7,  8,  9,  9,  9,  9, 10,  9, 11, 12, 13,
+    9,  9,  9, 14,  9,  9, 15,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
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+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 16, 17,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9, 18, 19, 20,  9, 21,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9, 22,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 23, 24,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,
+    9, 10, 11, 12,  0,  0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 30, 31,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 32, 33,
-   34, 35, 36, 37, 38, 39, 40,  0,  0,  0, 41,  0, 42, 43, 44, 45,
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+    0,  0,  0,  0,  0,162,163,  0,  0,  0,  0,  0,  0,  0,164,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  165,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,166,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,167,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,168,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,169,170,  0,  0,  0,  0,171,172,  0,  0,  0,173,174,175,176,
+  177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,
+  193,194,195,196,197,198,199,200,201,202,203,204,205,206,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 72, 73, 74, 75, 76, 77, 78, 79, 80,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  4,
 };
 static const uint16_t
-_hb_ucd_u16[11584] =
+_hb_ucd_u16[9320] =
 {
      0,   0,   1,   2,   3,   4,   5,   6,   0,   0,   7,   8,   9,  10,  11,  12,
     13,  13,  13,  14,  15,  13,  13,  16,  17,  18,  19,  20,  21,  22,  13,  23,
@@ -3160,11 +2209,9 @@ _hb_ucd_u16[11584] =
    136,  48,  48, 137, 138, 139, 140, 140, 141,  48, 142, 143, 144, 145, 140, 140,
    146, 147, 148, 149, 150,  48, 151, 152, 153, 154,  32, 155, 156, 157, 140, 140,
     48,  48, 158, 159, 160, 161, 162, 163, 164, 165,   9,   9, 166,  11,  11, 167,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48, 168, 169,  48,  48, 168,  48,  48, 170, 171, 172,  48,  48,
-    48, 171,  48,  48,  48, 173, 174, 175,  48, 176,   9,   9,   9,   9,   9, 177,
-   178,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
+    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 168, 169,  48,  48,
+   168,  48,  48, 170, 171, 172,  48,  48,  48, 171,  48,  48,  48, 173, 174, 175,
+    48, 176,   9,   9,   9,   9,   9, 177, 178,  48,  48,  48,  48,  48,  48,  48,
     48,  48,  48,  48,  48,  48, 179,  48, 180, 181,  48,  48,  48,  48, 182, 183,
     48, 184,  48, 185,  48, 186, 187, 188,  48,  48,  48, 189, 190, 191, 192, 193,
    194, 192,  48,  48, 195,  48,  48, 196, 197,  48, 198,  48,  48,  48,  48, 199,
@@ -3177,49 +2224,30 @@ _hb_ucd_u16[11584] =
    241, 242, 241, 241, 242, 243, 241, 244, 245, 245, 245, 246, 247, 248, 249, 250,
    251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 261, 262, 263, 264, 265,
    266, 267, 268, 269, 270, 271, 272, 272, 273, 274, 275, 209, 276, 277, 209, 278,
-   279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279,
-   280, 209, 281, 209, 209, 209, 209, 282, 209, 283, 279, 284, 209, 285, 286, 209,
-   209, 209, 287, 140, 288, 140, 271, 271, 271, 289, 209, 209, 209, 209, 290, 271,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 291, 292, 209, 209, 293,
-   209, 209, 209, 209, 209, 209, 294, 209, 209, 209, 209, 209, 209, 209, 209, 209,
+   279, 279, 279, 279, 279, 279, 279, 279, 280, 209, 281, 209, 209, 209, 209, 282,
+   209, 283, 279, 284, 209, 285, 286, 209, 209, 209, 287, 140, 288, 140, 271, 271,
+   271, 289, 209, 209, 209, 209, 290, 271, 209, 209, 209, 209, 209, 209, 209, 209,
+   209, 209, 209, 291, 292, 209, 209, 293, 209, 209, 209, 209, 209, 209, 294, 209,
    209, 209, 209, 209, 209, 209, 295, 296, 271, 297, 209, 209, 298, 279, 299, 279,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209,
-   279, 279, 279, 279, 279, 279, 279, 279, 300, 301, 279, 279, 279, 302, 279, 303,
-   279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279, 279,
-   209, 209, 209, 279, 304, 209, 209, 305, 209, 306, 209, 209, 209, 209, 209, 209,
-     9,   9,   9,  11,  11,  11, 307, 308,  13,  13,  13,  13,  13,  13, 309, 310,
-    11,  11, 311,  48,  48,  48, 312, 313,  48, 314, 315, 315, 315, 315,  32,  32,
-   316, 317, 318, 319, 320, 321, 140, 140, 209, 322, 209, 209, 209, 209, 209, 323,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 324, 140, 325,
+   300, 301, 279, 279, 279, 302, 279, 303, 209, 209, 209, 279, 304, 209, 209, 305,
+   209, 306, 209, 209, 209, 209, 209, 209,   9,   9,   9,  11,  11,  11, 307, 308,
+    13,  13,  13,  13,  13,  13, 309, 310,  11,  11, 311,  48,  48,  48, 312, 313,
+    48, 314, 315, 315, 315, 315,  32,  32, 316, 317, 318, 319, 320, 321, 140, 140,
+   209, 322, 209, 209, 209, 209, 209, 323, 209, 209, 209, 209, 209, 324, 140, 325,
    326, 327, 328, 329, 136,  48,  48,  48,  48, 330, 178,  48,  48,  48,  48, 331,
    332,  48,  48, 136,  48,  48,  48,  48, 200, 333,  48,  48, 209, 209, 323,  48,
    209, 334, 335, 209, 336, 337, 209, 209, 335, 209, 209, 337, 209, 209, 209, 209,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 209, 209, 209, 209,
-    48, 338,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48, 151, 209, 209, 209, 287,  48,  48, 229,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-   339,  48, 340, 140,  13,  13, 341, 342,  13, 343,  48,  48,  48,  48, 344, 345,
-    31, 346, 347, 348,  13,  13,  13, 349, 350, 351, 352, 353, 354, 355, 140, 356,
-   357,  48, 358, 359,  48,  48,  48, 360, 361,  48,  48, 362, 363, 192,  32, 364,
-    64,  48, 365,  48, 366, 367,  48, 151,  76,  48,  48, 368, 369, 370, 371, 372,
-    48,  48, 373, 374, 375, 376,  48, 377,  48,  48,  48, 378, 379, 380, 381, 382,
-   383, 384, 315,  11,  11, 385, 386,  11,  11,  11,  11,  11,  48,  48, 387, 192,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 388,  48, 389,  48,  48, 206,
-   390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390,
-   390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390, 390,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
+    48,  48,  48,  48, 209, 209, 209, 209,  48, 338,  48,  48,  48,  48,  48,  48,
+   151, 209, 209, 209, 287,  48,  48, 229, 339,  48, 340, 140,  13,  13, 341, 342,
+    13, 343,  48,  48,  48,  48, 344, 345,  31, 346, 347, 348,  13,  13,  13, 349,
+   350, 351, 352, 353, 354, 355, 140, 356, 357,  48, 358, 359,  48,  48,  48, 360,
+   361,  48,  48, 362, 363, 192,  32, 364,  64,  48, 365,  48, 366, 367,  48, 151,
+    76,  48,  48, 368, 369, 370, 371, 372,  48,  48, 373, 374, 375, 376,  48, 377,
+    48,  48,  48, 378, 379, 380, 381, 382, 383, 384, 315,  11,  11, 385, 386,  11,
+    11,  11,  11,  11,  48,  48, 387, 192,  48,  48, 388,  48, 389,  48,  48, 206,
+   390, 390, 390, 390, 390, 390, 390, 390, 391, 391, 391, 391, 391, 391, 391, 391,
     48,  48,  48,  48,  48,  48, 204,  48,  48,  48,  48,  48,  48, 207, 140, 140,
    392, 393, 394, 395, 396,  48,  48,  48,  48,  48,  48, 397, 398, 399,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
     48,  48,  48, 400, 209,  48,  48,  48,  48, 401,  48,  48, 402, 140, 140, 403,
     32, 404,  32, 405, 406, 407, 408, 409,  48,  48,  48,  48,  48,  48,  48, 410,
    411,   2,   3,   4,   5, 412, 413, 414,  48, 415,  48, 200, 416, 417, 418, 419,
@@ -3229,644 +2257,524 @@ _hb_ucd_u16[11584] =
     48,  48, 431,  48, 432,  48,  48, 433,  48, 434,  48,  48, 435, 436, 140, 140,
      9,   9, 437,  11,  11,  48,  48,  48,  48, 204, 192,   9,   9, 438,  11, 439,
     48,  48, 440,  48,  48,  48, 441, 442, 442, 443, 444, 445, 140, 140, 140, 140,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
     48,  48,  48, 314,  48, 199, 440, 140, 446,  27,  27, 447, 140, 140, 140, 140,
    448,  48,  48, 449,  48, 450,  48, 451,  48, 200, 452, 140, 140, 140,  48, 453,
     48, 454,  48, 455, 140, 140, 140, 140,  48,  48,  48, 456, 271, 457, 271, 271,
    458, 459,  48, 460, 461, 462,  48, 463,  48, 464, 140, 140, 465,  48, 466, 467,
     48,  48,  48, 468,  48, 469,  48, 470,  48, 471, 472, 140, 140, 140, 140, 140,
     48,  48,  48,  48, 196, 140, 140, 140,   9,   9,   9, 473,  11,  11,  11, 474,
-    48,  48, 475, 192, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 271, 476,  48,  48, 477, 478, 140, 140, 140, 140,
-    48, 464, 479,  48,  62, 480, 140,  48, 481, 140, 140,  48, 482, 140,  48, 314,
-   483,  48,  48, 484, 485, 457, 486, 487, 222,  48,  48, 488, 489,  48, 196, 192,
-   490,  48, 491, 492, 493,  48,  48, 494, 222,  48,  48, 495, 496, 497, 498, 499,
-    48,  97, 500, 501, 140, 140, 140, 140, 502, 503, 504,  48,  48, 505, 506, 192,
-   507,  83,  84, 508, 509, 510, 511, 512, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48,  48, 513, 514, 515, 478, 140,  48,  48,  48, 516, 517, 192, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140,  48,  48, 518, 519, 520, 521, 140, 140,
-    48,  48,  48, 522, 523, 192, 524, 140,  48,  48, 525, 526, 192, 140, 140, 140,
-    48, 173, 527, 528, 314, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48, 500, 529, 140, 140, 140, 140, 140, 140,   9,   9,  11,  11, 148, 530,
-   531, 532,  48, 533, 534, 192, 140, 140, 140, 140, 535,  48,  48, 536, 537, 140,
-   538,  48,  48, 539, 540, 541,  48,  48, 542, 543, 544,  48,  48,  48,  48, 196,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    84,  48, 518, 545, 546, 148, 175, 547,  48, 548, 549, 550, 140, 140, 140, 140,
-   551,  48,  48, 552, 553, 192, 554,  48, 555, 556, 192, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,  48, 557,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 100, 271, 558, 559, 560,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48, 207, 140, 140, 140, 140, 140, 140,
-   272, 272, 272, 272, 272, 272, 561, 562,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48, 388, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140,  48,  48,  48,  48,  48,  48, 563,
-    48,  48, 200, 564, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48, 314, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48,  48, 196,  48, 200, 370,  48,  48,  48,  48, 200, 192,  48, 204, 565,
-    48,  48,  48, 566, 567, 568, 569, 570,  48, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140,   9,   9,  11,  11, 271, 571, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48, 572, 573, 574, 574, 575, 576, 140, 140, 140, 140, 577, 578,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 440,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 199, 140, 140,
-   196, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 579,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48, 580, 140, 140, 580, 581,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 206,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48,  48,  48,  71, 151, 196, 582, 583, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    32,  32, 584,  32, 585, 209, 209, 209, 209, 209, 209, 209, 323, 140, 140, 140,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 324,
-   209, 209, 586, 209, 209, 209, 587, 588, 589, 209, 590, 209, 209, 209, 288, 140,
-   209, 209, 209, 209, 591, 140, 140, 140, 140, 140, 140, 140, 140, 140, 271, 592,
-   209, 209, 209, 209, 209, 287, 271, 461, 140, 140, 140, 140, 140, 140, 140, 140,
-     9, 593,  11, 594, 595, 596, 241,   9, 597, 598, 599, 600, 601,   9, 593,  11,
-   602, 603,  11, 604, 605, 606, 607,   9, 608,  11,   9, 593,  11, 594, 595,  11,
-   241,   9, 597, 607,   9, 608,  11,   9, 593,  11, 609,   9, 610, 611, 612, 613,
-    11, 614,   9, 615, 616, 617, 618,  11, 619,   9, 620,  11, 621, 622, 622, 622,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209,
-    32,  32,  32, 623,  32,  32, 624, 625, 626, 627,  45, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   628, 629, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   630, 631, 632, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48, 151, 633, 634, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140,  48, 635, 140,  48,  48, 636, 637,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 638, 200,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 639, 585, 140, 140,
-     9,   9, 597,  11, 640, 370, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 498, 271, 271, 641, 642, 140, 140, 140, 140,
-   498, 271, 643, 644, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   645,  48, 646, 647, 648, 649, 650, 651, 652, 206, 653, 206, 140, 140, 140, 654,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   209, 209, 325, 209, 209, 209, 209, 209, 209, 323, 334, 655, 655, 655, 209, 324,
-   656, 209, 209, 209, 209, 209, 209, 209, 209, 209, 657, 140, 140, 140, 658, 209,
-   659, 209, 209, 325, 660, 661, 324, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 662,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 663, 426, 426,
-   209, 209, 209, 209, 209, 209, 209, 323, 209, 209, 209, 209, 209, 660, 325, 427,
-   325, 209, 209, 209, 664, 176, 209, 209, 664, 209, 657, 661, 140, 140, 140, 140,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209, 209,
-   209, 209, 209, 209, 209, 323, 657, 665, 287, 209, 426, 288, 324, 176, 664, 287,
-   209, 209, 209, 209, 209, 209, 209, 209, 209, 666, 209, 209, 288, 140, 140, 192,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 140, 140,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48, 196,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48, 204,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 478,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48, 100, 140,
-    48, 204, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,  48,
-    48,  48,  48,  48,  71, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
-   667, 140, 668, 668, 668, 668, 668, 668, 140, 140, 140, 140, 140, 140, 140, 140,
-    32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32, 140,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 669,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391,
-   391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 391, 670,
-     0,   0,   0,   0,   1,   2,   1,   2,   0,   0,   3,   3,   4,   5,   4,   5,
-     4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,
-     4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   6,   0,   0,   7,   0,
-     8,   8,   8,   8,   8,   8,   8,   9,  10,  11,  12,  11,  11,  11,  13,  11,
-    14,  14,  14,  14,  14,  14,  14,  14,  15,  14,  14,  14,  14,  14,  14,  14,
-    14,  14,  14,  16,  17,  18,  17,  17,  19,  20,  21,  21,  22,  21,  23,  24,
-    25,  26,  27,  27,  28,  29,  27,  30,  27,  27,  27,  27,  27,  31,  27,  27,
-    32,  33,  33,  33,  34,  27,  27,  27,  35,  35,  35,  36,  37,  37,  37,  38,
-    39,  39,  40,  41,  42,  43,  44,  27,  45,  46,  27,  27,  27,  27,  47,  27,
-    48,  48,  48,  48,  48,  49,  50,  48,  51,  52,  53,  54,  55,  56,  57,  58,
-    59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,
-    75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,
-    91,  92,  93,  94,  95,  96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106,
-   107, 108, 109, 109, 110, 111, 112, 109, 113, 114, 115, 116, 117, 118, 119, 120,
-   121, 122, 122, 123, 122, 124, 125, 125, 126, 127, 128, 129, 130, 131, 125, 125,
-   132, 132, 132, 132, 133, 132, 134, 135, 132, 133, 132, 136, 136, 137, 125, 125,
-   138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 139, 139, 140, 139, 139, 141,
-   142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142,
-   143, 143, 143, 143, 144, 145, 143, 143, 144, 143, 143, 146, 147, 148, 143, 143,
-   143, 147, 143, 143, 143, 149, 143, 150, 143, 151, 152, 152, 152, 152, 152, 153,
-   154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154,
-   154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154,
-   154, 154, 154, 154, 154, 154, 154, 154, 155, 156, 157, 157, 157, 157, 158, 159,
-   160, 161, 162, 163, 164, 165, 166, 167, 168, 168, 168, 168, 168, 169, 170, 170,
-   171, 172, 173, 173, 173, 173, 173, 174, 173, 173, 175, 154, 154, 154, 154, 176,
-   177, 178, 179, 179, 180, 181, 182, 183, 184, 184, 185, 184, 186, 187, 168, 168,
-   188, 189, 190, 190, 190, 191, 190, 192, 193, 193, 194,   8, 195, 125, 125, 125,
-   196, 196, 196, 196, 197, 196, 196, 198, 199, 199, 199, 199, 200, 200, 200, 201,
-   202, 202, 202, 203, 204, 205, 205, 205, 206, 139, 139, 207, 208, 209, 210, 211,
-     4,   4, 212,   4,   4, 213, 214, 215,   4,   4,   4, 216,   8,   8,   8,   8,
-     4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,
-    11, 217,  11,  11, 217, 218,  11, 219,  11,  11,  11, 220, 220, 221,  11, 222,
-   223,   0,   0,   0,   0,   0, 224, 225, 226, 227,   0,   0, 228,   8,   8, 229,
-     0,   0, 230, 231, 232,   0,   4,   4, 233,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0, 234, 125, 235, 125,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0, 237,   0, 238,   0,   0,   0,   0,   0,   0,
-   239, 239, 239, 239, 239, 239,   4,   4, 240, 240, 240, 240, 240, 240, 240, 241,
-   139, 139, 140, 242, 242, 242, 243, 244, 143, 245, 246, 246, 246, 246,  14,  14,
-     0,   0,   0,   0,   0, 247, 125, 125, 248, 249, 248, 248, 248, 248, 248, 250,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 251, 125, 252,
-   253,   0, 254, 255, 256, 257, 257, 257, 257, 258, 259, 260, 260, 260, 260, 261,
-   262, 263, 263, 264, 142, 142, 142, 142, 265,   0, 263, 263,   0,   0, 266, 260,
-   142, 265,   0,   0,   0,   0, 142, 267,   0,   0,   0,   0,   0, 260, 260, 268,
-   260, 260, 260, 260, 260, 269,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,   0,   0,   0,   0,
-   270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270,
-   270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270,
-   270, 270, 270, 270, 270, 270, 270, 270, 271, 270, 270, 270, 272, 273, 273, 273,
-   274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274,
-   274, 274, 275, 125,  14,  14,  14,  14,  14,  14, 276, 276, 276, 276, 276, 277,
-     0,   0, 278,   4,   4,   4,   4,   4, 279,   4,   4,   4, 280, 281, 125, 282,
-   283, 283, 284, 285, 286, 286, 286, 287, 288, 288, 288, 288, 289, 290,  48,  48,
-   291, 291, 292, 293, 293, 294, 142, 295, 296, 296, 296, 296, 297, 298, 138, 299,
-   300, 300, 300, 301, 302, 303, 138, 138, 304, 304, 304, 304, 305, 306, 307, 308,
-   309, 310, 246,   4,   4, 311, 312, 152, 152, 152, 152, 152, 307, 307, 313, 314,
-   142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142,
-   142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142,
-   142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142,
-   142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 315, 142, 316, 142, 142, 317,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 318, 248, 248, 248, 248, 248, 248, 319, 125, 125,
-   320, 321,  21, 322, 323,  27,  27,  27,  27,  27,  27,  27, 324, 325,  27,  27,
-    27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,  27,
-    27,  27,  27, 326,  27,  27,  27,  27,  27, 327,  27,  27, 328, 125, 125,  27,
-     8, 285, 329,   0,   0, 330, 331, 332,  27,  27,  27,  27,  27,  27,  27, 333,
-   334,   0,   1,   2,   1,   2, 335, 259, 260, 336, 142, 265, 337, 338, 339, 340,
-   341, 342, 343, 344, 345, 345, 125, 125, 342, 342, 342, 342, 342, 342, 342, 346,
-   347,   0,   0, 348,  11,  11,  11,  11, 349, 350, 351, 125, 125,   0,   0, 352,
-   125, 125, 125, 125, 125, 125, 125, 125, 353, 354, 355, 355, 355, 356, 357, 252,
-   358, 358, 359, 360, 361, 362, 362, 363, 364, 365, 366, 366, 367, 368, 125, 125,
-   369, 369, 369, 369, 369, 370, 370, 370, 371, 372, 373, 374, 374, 375, 374, 376,
-   377, 377, 378, 379, 379, 379, 380, 381, 381, 382, 383, 384, 125, 125, 125, 125,
-   385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385, 385,
-   385, 385, 385, 386, 385, 387, 388, 125, 389,   4,   4, 390, 125, 125, 125, 125,
-   391, 392, 392, 393, 394, 395, 396, 396, 397, 398, 399, 125, 125, 125, 400, 401,
-   402, 403, 404, 405, 125, 125, 125, 125, 406, 406, 407, 408, 407, 409, 407, 407,
-   410, 411, 412, 413, 414, 414, 415, 415, 416, 416, 125, 125, 417, 417, 418, 419,
-   420, 420, 420, 421, 422, 423, 424, 425, 426, 427, 428, 125, 125, 125, 125, 125,
-   429, 429, 429, 429, 430, 125, 125, 125, 431, 431, 431, 432, 431, 431, 431, 433,
-   434, 434, 435, 436, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125,  27,  45, 437, 437, 438, 439, 125, 125, 125, 125,
-   440, 440, 441, 442, 442, 443, 125, 444, 445, 125, 125, 446, 447, 125, 448, 449,
-   450, 450, 450, 450, 451, 452, 450, 453, 454, 454, 454, 454, 455, 456, 457, 458,
-   459, 459, 459, 460, 461, 462, 462, 463, 464, 464, 464, 464, 464, 464, 465, 466,
-   467, 468, 467, 469, 125, 125, 125, 125, 470, 471, 472, 473, 473, 473, 474, 475,
-   476, 477, 478, 479, 480, 481, 482, 483, 125, 125, 125, 125, 125, 125, 125, 125,
-   484, 484, 484, 484, 484, 485, 486, 125, 487, 487, 487, 487, 488, 489, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 490, 490, 490, 491, 490, 492, 125, 125,
-   493, 493, 493, 493, 494, 495, 496, 125, 497, 497, 497, 498, 498, 125, 125, 125,
-   499, 500, 501, 499, 502, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   503, 503, 503, 504, 125, 125, 125, 125, 125, 125, 505, 505, 505, 505, 505, 506,
-   507, 508, 509, 510, 511, 512, 125, 125, 125, 125, 513, 514, 514, 513, 515, 125,
-   516, 516, 516, 516, 517, 518, 518, 518, 518, 518, 519, 154, 520, 520, 520, 521,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   522, 523, 523, 524, 525, 523, 526, 527, 527, 528, 529, 530, 125, 125, 125, 125,
-   531, 532, 532, 533, 534, 535, 536, 537, 538, 539, 540, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 541, 542,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 543, 544, 544, 544, 545,
-   546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546,
-   546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546,
-   546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546, 546,
-   546, 546, 546, 546, 546, 546, 546, 546, 546, 547, 125, 125, 125, 125, 125, 125,
-   546, 546, 546, 546, 546, 546, 548, 549, 546, 546, 546, 546, 546, 546, 546, 546,
-   546, 546, 546, 546, 550, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 551, 551, 551, 551, 551, 551, 552,
-   553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553,
-   553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, 553,
-   553, 553, 554, 555, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556,
-   556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556,
-   556, 556, 556, 556, 557, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276,
-   276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276,
-   276, 276, 276, 558, 559, 560, 561, 562, 562, 562, 562, 563, 564, 565, 566, 567,
-   568, 568, 568, 568, 569, 570, 571, 572, 568, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 573, 573, 573, 573, 573, 574, 125, 125, 125, 125, 125, 125,
-   575, 575, 575, 575, 576, 575, 575, 575, 577, 575, 125, 125, 125, 125, 578, 579,
-   580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580,
-   580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580,
-   580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580,
-   580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 581,
-   580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580, 580,
-   582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582,
-   582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 582, 583, 125, 125,
-   584, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 585,
-   586, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
-   257, 257, 587, 125, 125, 588, 589, 590, 590, 590, 590, 590, 590, 590, 590, 590,
-   590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 590, 591,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   592, 592, 592, 592, 592, 592, 593, 594, 595, 596, 266, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-     8,   8, 597,   8, 598,   0,   0,   0,   0,   0,   0,   0, 266, 125, 125, 125,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 599,
-     0,   0, 600,   0,   0,   0, 601, 602, 603,   0, 604,   0,   0,   0, 235, 125,
-    11,  11,  11,  11, 605, 125, 125, 125, 125, 125, 125, 125, 125, 125,   0, 266,
-     0,   0,   0,   0,   0, 234,   0, 606, 125, 125, 125, 125, 125, 125, 125, 125,
-     0,   0,   0,   0,   0, 224,   0,   0,   0, 607, 608, 609, 610,   0,   0,   0,
-   611, 612,   0, 613, 614, 615,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 616,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 617,   0,   0,   0,
-   618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618,
-   618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618, 618,
-   618, 618, 618, 618, 618, 618, 618, 618, 619, 620, 621, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-     4, 622, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   623, 624, 625, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   626, 626, 627, 628, 629, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 630, 631, 125, 632, 632, 632, 633,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 634, 635,
-   636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 636, 637, 638, 125, 125,
-   639, 639, 639, 639, 640, 641, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 334,   0,   0,   0, 642, 125, 125, 125, 125,
-   334,   0,   0, 247, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   643,  27, 644, 645, 646, 647, 648, 649, 650, 651, 652, 651, 125, 125, 125, 653,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-     0,   0, 252,   0,   0,   0,   0,   0,   0, 266, 226, 334, 334, 334,   0, 599,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 247, 125, 125, 125, 654,   0,
-   655,   0,   0, 252, 606, 656, 599, 125, 125, 125, 125, 125, 125, 125, 125, 125,
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-     0,   0,   0,   0,   0,   0,   0, 266,   0,   0,   0,   0,   0, 606, 252, 228,
-   252,   0,   0,   0, 658, 285,   0,   0, 658,   0, 247, 656, 125, 125, 125, 125,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0, 266, 247, 659, 234,   0, 350, 235, 599, 285, 658, 234,
-     0,   0,   0,   0,   0,   0,   0,   0,   0, 330,   0,   0, 235, 125, 125, 285,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 125, 125,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 660, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 318, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 579, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 661, 125,
-   248, 318, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248,
-   248, 248, 248, 248, 662, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
-   663, 125,   0,   0,   0,   0,   0,   0, 125, 125, 125, 125, 125, 125, 125, 125,
-     8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   8,   0,
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-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   939, 940, 941, 942, 946, 948,   0, 962, 969, 970, 971, 976,1001,1002,1003,1008,
-     0,1033,1040,1041,1042,1043,1047,   0,   0,1080,1081,1082,1086,1110,   0,   0,
-  1124,1125,1126,1127,1131,1133,   0,1147,1154,1155,1156,1161,1187,1188,1189,1193,
-     0,1219,1226,1227,1228,1229,1233,   0,   0,1267,1268,1269,1273,1298,   0,1303,
-   943,1128, 944,1129, 954,1139, 958,1143, 959,1144, 960,1145, 961,1146, 964,1149,
-     0,   0, 973,1158, 974,1159, 975,1160, 983,1168, 978,1163, 988,1173, 990,1175,
-   991,1176, 993,1178, 994,1179,   0,   0,1004,1190,1005,1191,1006,1192,1014,1199,
-  1007,   0,   0,   0,1016,1201,1020,1206,   0,1022,1208,1025,1211,1023,1209,   0,
-     0,   0,   0,1032,1218,1037,1223,1035,1221,   0,   0,   0,1044,1230,1045,1231,
-  1049,1235,   0,   0,1058,1244,1064,1250,1060,1246,1066,1252,1067,1253,1072,1258,
-  1069,1255,1077,1264,1074,1261,   0,   0,1083,1270,1084,1271,1085,1272,1088,1275,
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-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 949,1134,1010,
-  1195,1050,1236,1090,1277,1341,1368,1340,1367,1342,1369,1339,1366,   0,1320,1347,
-  1418,1419,1323,1350,   0,   0, 992,1177,1018,1204,1055,1241,1416,1417,1415,1424,
-  1202,   0,   0,   0, 987,1172,   0,   0,1031,1217,1321,1348,1322,1349,1338,1365,
-   950,1135, 951,1136, 979,1164, 980,1165,1011,1196,1012,1197,1051,1237,1052,1238,
-  1061,1247,1062,1248,1091,1278,1092,1279,1071,1257,1076,1263,   0,   0, 997,1182,
-     0,   0,   0,   0,   0,   0, 945,1130, 982,1167,1337,1364,1335,1362,1046,1232,
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-     0,   0,   0,   0,   0,1314,1427,   5,1434,1438,1443,   0,1450,   0,1455,1461,
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-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1446,1458,1468,1476,1480,1486,
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-  1029,1215,1030,1216,1034,1220,1036,1222,1039,1225,1038,1224,1334,1361,1336,1363,
-  1382,1384,1383,1385,1056,1242,1057,1243,1059,1245,1063,1249,1689,1690,1065,1251,
-  1068,1254,1070,1256,1386,1387,1388,1389,1691,1692,1073,1259,1075,1262,1079,1266,
-  1078,1265,1095,1282,1098,1285,1097,1284,1390,1391,1392,1393,1099,1286,1100,1287,
-  1101,1288,1102,1289,1105,1292,1104,1291,1106,1294,1107,1295,1108,1296,1114,1302,
-  1119,1308,1122,1311,1123,1312,1186,1260,1293,1305,   0,1394,   0,   0,   0,   0,
-   952,1137, 947,1132,1317,1344,1316,1343,1319,1346,1318,1345,1693,1695,1371,1375,
-  1370,1374,1373,1377,1372,1376,1694,1696, 981,1166, 977,1162, 972,1157,1326,1353,
-  1325,1352,1328,1355,1327,1354,1697,1698,1009,1194,1013,1198,1054,1240,1048,1234,
-  1331,1358,1330,1357,1333,1360,1332,1359,1699,1700,1396,1401,1395,1400,1398,1403,
-  1397,1402,1399,1404,1094,1281,1087,1274,1406,1411,1405,1410,1408,1413,1407,1412,
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-  1471,1472,1701,1705,1702,1706,1703,1707,1430,1431,1715,1719,1716,1720,1717,1721,
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-  1481,1482,1737,1741,1738,1742,1739,1743,1439,1440,1751,1755,1752,1756,1753,1757,
-  1490,1491,1765,1768,1766,1769,1767,1770,1447,1448,1771,1774,1772,1775,1773,1776,
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-  1504,1505,1785,1788,1786,1789,1787,1790,   0,1459,   0,1791,   0,1792,   0,1793,
-  1509,1510,1794,1798,1795,1799,1796,1800,1462,1463,1808,1812,1809,1813,1810,1814,
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-  1704,1708,1709,1710,1711,1712,1713,1714,1718,1722,1723,1724,1725,1726,1727,1728,
-  1740,1744,1745,1746,1747,1748,1749,1750,1754,1758,1759,1760,1761,1762,1763,1764,
-  1797,1801,1802,1803,1804,1805,1806,1807,1811,1815,1816,1817,1818,1819,1820,1821,
-  1470,1469,1822,1474,1465,   0,1473,1825,1429,1428,1426,  12,1432,   0,  26,   0,
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-  1502,1501,1516,  25,1497,1498,1506,1518,1457,1456,1454,  17,1453,1313,  11,   3,
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+   849, 350, 348, 352, 354, 359, 850, 361, 358, 356,  49, 363, 365, 367, 364,  50,
+   369, 371, 851, 376, 386, 378,  53, 381,  52,  51, 140, 141, 387, 382, 614,  78,
+   388, 389, 390, 394, 392, 856,  54, 399, 396, 402, 404, 858, 405, 401, 407,  55,
+   408, 409, 410, 413, 859, 415,  56, 417, 860, 418,  57, 419, 422, 424, 425, 861,
+   840, 862, 426, 863, 429, 431, 427, 433, 437, 441, 438, 439, 442, 443, 864, 436,
+   449, 450,  58, 454, 453, 865, 447, 460, 866, 867, 461, 466, 465, 464,  59, 467,
+   470, 469, 472, 828, 475, 868, 478, 870, 483, 485, 486, 871, 488, 489, 872, 873,
+   495, 497,  60, 498,  61,  61, 504, 505, 507, 508, 511,  62, 513, 874, 515, 875,
+   518, 844, 520, 876, 877, 878,  63,  64, 528, 880, 879, 881, 882, 530, 531, 531,
+   533,  66, 534,  67,  68, 884, 536, 538, 541,  69, 885, 549, 886, 887, 556, 559,
+    70, 561, 562, 563, 888, 889, 889, 567,  71, 890, 570, 571,  72, 891, 577,  73,
+   581, 579, 582, 893, 587,  74, 590, 592, 596,  75, 895, 896,  76, 897, 600, 898,
+   602, 605, 607, 899, 900, 609, 901, 611, 853,  77, 615, 616,  79, 617, 252, 902,
+   903, 854, 855, 621, 622, 731,  80, 627, 626, 628, 164, 629, 630, 631, 633, 904,
+   632, 634, 639, 640, 635, 641, 646, 651, 638, 643, 644, 645, 905, 907, 906,  81,
+   653, 654, 656, 911, 657, 908,  82,  83, 909, 910,  84, 664, 665, 666, 667, 669,
+   668, 671, 670, 674, 672, 673, 675,  85, 677, 678,  86, 681, 682, 912, 685, 686,
+    87, 689,  36, 913, 914,  88,  89, 696, 702, 709, 711, 915, 712, 713, 718, 719,
+   917, 831, 721, 720, 723, 832, 725, 728, 918, 919, 739, 742, 744, 920, 745, 753,
+   756, 757, 755, 760, 761, 921, 762,  90, 764, 922,  91, 775, 279, 780, 923, 925,
+    92,  93, 785, 926,  94, 927, 787, 787, 789, 928, 792,  95, 796, 797, 798, 800,
+    96, 929, 802, 804, 806,  97,  98, 807, 930,  99, 931, 932, 933, 814, 100, 816,
+   817, 818, 819, 820, 821, 935,   0,   0,
 };
 static const int16_t
 _hb_ucd_i16[196] =
@@ -3889,12 +2797,12 @@ _hb_ucd_i16[196] =
 static inline uint_fast8_t
 _hb_ucd_gc (unsigned u)
 {
-  return u<1114110u?_hb_ucd_u8[2176+(((_hb_ucd_u16[((_hb_ucd_u8[u>>4>>5])<<5)+((u>>4)&31u)])<<4)+((u)&15u))]:2;
+  return u<1114110u?_hb_ucd_u8[6800+(((_hb_ucd_u8[1312+(((_hb_ucd_u16[((_hb_ucd_u8[544+(((_hb_ucd_u8[u>>1>>3>>3>>4])<<4)+((u>>1>>3>>3)&15u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:2;
 }
 static inline uint_fast8_t
 _hb_ucd_ccc (unsigned u)
 {
-  return u<125259u?_hb_ucd_u8[15332+(((_hb_ucd_u8[13892+(((_hb_ucd_u8[12912+(u>>3>>4)])<<4)+((u>>3)&15u))])<<3)+((u)&7u))]:0;
+  return u<125259u?_hb_ucd_u8[8792+(((_hb_ucd_u8[8236+(((_hb_ucd_u8[7776+(((_hb_ucd_u8[7424+(((_hb_ucd_u8[7178+(u>>2>>2>>2>>3)])<<3)+((u>>2>>2>>2)&7u))])<<2)+((u>>2>>2)&3u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:0;
 }
 static inline unsigned
 _hb_ucd_b4 (const uint8_t* a, unsigned i)
@@ -3904,24 +2812,24 @@ _hb_ucd_b4 (const uint8_t* a, unsigned i)
 static inline int_fast16_t
 _hb_ucd_bmg (unsigned u)
 {
-  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[16692+(((_hb_ucd_b4(16564+_hb_ucd_u8,u>>2>>6))<<6)+((u>>2)&63u))])<<2)+((u)&3u)]:0;
+  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[9540+(((_hb_ucd_u8[9420+(((_hb_ucd_b4(9292+_hb_ucd_u8,u>>2>>3>>3))<<3)+((u>>2>>3)&7u))])<<3)+((u>>2)&7u))])<<2)+((u)&3u)]:0;
 }
 static inline uint_fast8_t
 _hb_ucd_sc (unsigned u)
 {
-  return u<918000u?_hb_ucd_u8[19446+(((_hb_ucd_u16[3168+(((_hb_ucd_u8[17652+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:2;
+  return u<918000u?_hb_ucd_u8[11062+(((_hb_ucd_u16[2040+(((_hb_ucd_u8[10326+(((_hb_ucd_u8[9876+(u>>3>>4>>4)])<<4)+((u>>3>>4)&15u))])<<4)+((u>>3)&15u))])<<3)+((u)&7u))]:2;
 }
 static inline uint_fast16_t
 _hb_ucd_dm (unsigned u)
 {
-  return u<195102u?_hb_ucd_u16[6400+(((_hb_ucd_u8[30070+(u>>6)])<<6)+((u)&63u))]:0;
+  return u<195102u?_hb_ucd_u16[6008+(((_hb_ucd_u8[17068+(((_hb_ucd_u8[16686+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:0;
 }
 
 
 #elif !defined(HB_NO_UCD_UNASSIGNED)
 
 static const uint8_t
-_hb_ucd_u8[17936] =
+_hb_ucd_u8[14744] =
 {
     0,  1,  2,  3,  4,  5,  6,  7,  7,  8,  7,  7,  7,  7,  7,  7,
     7,  7,  7,  7,  9, 10,  7,  7,  7,  7, 11, 12, 13, 13, 13, 14,
@@ -3929,7 +2837,7 @@ _hb_ucd_u8[17936] =
    25, 26, 22, 22, 22, 27, 28, 29, 22, 30, 31, 32, 33, 34, 35, 36,
     7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
     7,  7,  7,  7, 37,  7, 38, 39,  7, 40,  7,  7,  7, 41, 22, 42,
-    7,  7, 43, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+    7,  7, 43,  7, 44, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
@@ -3951,12 +2859,12 @@ _hb_ucd_u8[17936] =
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-   44, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+   45, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 45,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 46,
+   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 47,
     0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
    32, 33, 34, 34, 35, 36, 37, 38, 39, 34, 34, 34, 40, 41, 42, 43,
@@ -3975,35 +2883,36 @@ _hb_ucd_u8[17936] =
   118,119,120,121,122,123,124,125,126,127,128,129, 34, 34,130,131,
   132,133,134,135,136,137,138,139,140,141,142,122,143,144,145,146,
   147,148,149,150,151,152,153,122,154,155,122,156,157,158,159,122,
-  160,161,162,163,164,165,122,122,166,167,168,169,122,170,122,171,
-   34, 34, 34, 34, 34, 34, 34,172,173, 34,174,122,122,122,122,122,
-  122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,175,
-   34, 34, 34, 34, 34, 34, 34, 34,176,122,122,122,122,122,122,122,
+  160,161,162,163,164,165,166,122,167,168,169,170,122,171,172,173,
+   34, 34, 34, 34, 34, 34, 34,174,175, 34,176,122,122,122,122,122,
+  122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,177,
+   34, 34, 34, 34, 34, 34, 34, 34,178,122,122,122,122,122,122,122,
   122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,
-  122,122,122,122,122,122,122,122, 34, 34, 34, 34,177,122,122,122,
-   34, 34, 34, 34,178,179,180,181,122,122,122,122,182,183,184,185,
-   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,186,
-   34, 34, 34, 34, 34, 34, 34, 34, 34,187,188,122,122,122,122,122,
-  122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,189,
-   34, 34,190, 34, 34,191,122,122,122,122,122,122,122,122,122,122,
-  122,122,122,122,122,122,122,122,192,193,122,122,122,122,122,122,
-  122,122,122,122,122,122,122,122,122,122,122,122,122,122,194,195,
-   69,196,197,198,199,200,201,122,202,203,204,205,206,207,208,209,
-   69, 69, 69, 69,210,211,122,122,122,122,122,122,122,122,212,122,
-  213,122,214,122,122,215,122,122,122,122,122,122,122,122,122,216,
-   34,217,218,122,122,122,122,122,219,220,221,122,222,223,122,122,
-  224,225,226,227,228,122, 69,229, 69, 69, 69, 69, 69,230,231,232,
-  233,234, 69, 69,235,236, 69,237,122,122,122,122,122,122,122,122,
-   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,238, 34, 34,
-   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,239, 34,
-  240, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,241, 34, 34,
-   34, 34, 34, 34, 34, 34, 34,242,122,122,122,122,122,122,122,122,
-   34, 34, 34, 34,243,122,122,122,122,122,122,122,122,122,122,122,
-   34, 34, 34, 34, 34, 34,244,122,122,122,122,122,122,122,122,122,
-  245,122,246,247,122,122,122,122,122,122,122,122,122,122,122,122,
-  107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,248,
-  107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,249,
+  122,122,122,122,122,122,122,122, 34, 34, 34, 34,179,122,122,122,
+   34, 34, 34, 34,180,181,182,183,122,122,122,122,184,185,186,187,
+   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,188,
+   34, 34, 34, 34, 34, 34, 34, 34, 34,189,190,122,122,122,122,122,
+  122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,191,
+   34, 34,192, 34, 34,193,122,122,122,122,122,122,122,122,122,122,
+  122,122,122,122,122,122,122,122,194,195,122,122,122,122,122,122,
+  122,122,122,122,122,122,122,122,122,122,122,122,122,122,196,197,
+   69,198,199,200,201,202,203,122,204,205,206,207,208,209,210,211,
+   69, 69, 69, 69,212,213,122,122,122,122,122,122,122,122,214,122,
+  215,216,217,122,122,218,122,122,122,219,122,122,122,122,122,220,
+   34,221,222,122,122,122,122,122,223,224,225,122,226,227,122,122,
+  228,229,230,231,232,122, 69,233, 69, 69, 69, 69, 69,234,235,236,
+  237,238, 69, 69,239,240, 69,241,122,122,122,122,122,122,122,122,
+   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,242, 34, 34,
+   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,243, 34,
+  244, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+   34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,245, 34, 34,
+   34, 34, 34, 34, 34, 34, 34,246,122,122,122,122,122,122,122,122,
+   34, 34, 34, 34,247,122,122,122,122,122,122,122,122,122,122,122,
+   34, 34, 34, 34, 34, 34,248, 34, 34, 34, 34, 34, 34, 34, 34, 34,
+   34, 34, 34, 34, 34, 34, 34,249,122,122,122,122,122,122,122,122,
+  250,122,251,252,122,122,122,122,122,122,122,122,122,122,122,122,
+  107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,253,
+  107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,254,
     0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  2,  4,  5,  6,  2,
     7,  7,  7,  7,  7,  2,  8,  9, 10, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16,
@@ -4066,7 +2975,7 @@ _hb_ucd_u8[17936] =
    44, 44, 57, 80, 36, 61, 62, 44, 44, 44, 44, 93, 27, 27, 27, 91,
    70, 86, 72, 36, 36, 36, 61, 36, 36, 36, 62, 36, 36, 44, 71, 87,
    86, 86, 90, 85, 90, 86, 43, 44, 44, 44, 89, 90, 44, 44, 62, 61,
-   62, 61, 44, 44, 44, 44, 44, 44, 43, 86, 36, 36, 36, 36, 61, 36,
+   62, 94, 44, 44, 44, 44, 44, 44, 43, 86, 36, 36, 36, 36, 61, 36,
    36, 36, 36, 36, 36, 70, 71, 86, 87, 43, 80, 86, 90, 86, 87, 77,
    44, 44, 36, 94, 27, 27, 27, 95, 27, 27, 27, 27, 91, 36, 36, 36,
    57, 86, 62, 36, 36, 36, 36, 36, 36, 36, 36, 61, 44, 36, 36, 36,
@@ -4076,7 +2985,7 @@ _hb_ucd_u8[17936] =
    36, 36, 36, 75, 43, 43, 43, 60,  7,  7,  7,  7,  7,  2, 44, 44,
    44, 44, 44, 44, 44, 44, 44, 44, 62, 61, 61, 36, 36, 61, 36, 36,
    36, 36, 62, 62, 36, 36, 36, 36, 70, 36, 43, 43, 43, 43, 71, 44,
-   36, 36, 61, 81, 43, 43, 43, 44,  7,  7,  7,  7,  7, 44, 36, 36,
+   36, 36, 61, 81, 43, 43, 43, 80,  7,  7,  7,  7,  7, 44, 36, 36,
    77, 67,  2,  2,  2,  2,  2,  2,  2, 97, 97, 67, 43, 67, 67, 67,
     7,  7,  7,  7,  7, 27, 27, 27, 27, 27, 50, 50, 50,  4,  4, 86,
    36, 36, 36, 36, 62, 36, 36, 36, 36, 36, 36, 36, 36, 36, 61, 44,
@@ -4243,18 +3152,19 @@ _hb_ucd_u8[17936] =
    44, 44, 44, 44,179, 27, 27, 27, 11, 47, 44, 44, 44, 44, 44, 44,
    16,110, 44, 44, 44, 27, 27, 27, 36, 36, 43, 43, 44, 44, 44, 44,
    27, 27, 27, 27, 27, 27, 27,100, 36, 36, 36, 36, 36, 57,184, 44,
-   36, 44, 44, 44, 44, 44, 44, 44, 27, 27, 27, 95, 44, 44, 44, 44,
-  180, 27, 30,  2,  2, 44, 44, 44, 36, 43, 43,  2,  2, 44, 44, 44,
-   36, 36,183, 27, 27, 27, 44, 44, 87, 98, 36, 36, 36, 36, 36, 36,
-   36, 36, 36, 36, 43, 43, 43, 43, 43, 43, 43, 60,  2,  2,  2, 44,
-   27, 27, 27,  7,  7,  7,  7,  7, 71, 70, 71, 44, 44, 44, 44, 57,
-   86, 87, 43, 85, 87, 60,185,  2,  2, 80, 44, 44, 44, 44, 79, 44,
-   43, 71, 36, 36, 36, 36, 36, 36, 36, 36, 36, 70, 43, 43, 87, 43,
-   43, 43, 80,  7,  7,  7,  7,  7,  2,  2, 94, 98, 44, 44, 44, 44,
-   36, 70,  2, 61, 44, 44, 44, 44, 36, 94, 86, 43, 43, 43, 43, 85,
-   98, 36, 63,  2, 59, 43, 60, 87,  7,  7,  7,  7,  7, 63, 63,  2,
-  179, 27, 27, 27, 27, 27, 27, 27, 27, 27,100, 44, 44, 44, 44, 44,
-   36, 36, 36, 36, 36, 36, 86, 87, 43, 86, 85, 43,  2,  2,  2, 80,
+   36, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 57, 43,
+   27, 27, 27, 95, 44, 44, 44, 44,180, 27, 30,  2,  2, 44, 44, 44,
+   36, 43, 43,  2,  2, 44, 44, 44, 36, 36,183, 27, 27, 27, 44, 44,
+   87, 98, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 43, 43, 43, 43,
+   43, 43, 43, 60,  2,  2,  2, 44, 27, 27, 27,  7,  7,  7,  7,  7,
+   71, 70, 71, 44, 44, 44, 44, 57, 86, 87, 43, 85, 87, 60,185,  2,
+    2, 80, 44, 44, 44, 44, 79, 44, 43, 71, 36, 36, 36, 36, 36, 36,
+   36, 36, 36, 70, 43, 43, 87, 43, 43, 43, 80,  7,  7,  7,  7,  7,
+    2,  2, 94, 98, 44, 44, 44, 44, 36, 70,  2, 61, 44, 44, 44, 44,
+   36, 94, 86, 43, 43, 43, 43, 85, 98, 36, 63,  2, 59, 43, 60, 87,
+    7,  7,  7,  7,  7, 63, 63,  2,179, 27, 27, 27, 27, 27, 27, 27,
+   27, 27,100, 44, 44, 44, 44, 44, 36, 36, 36, 36, 36, 36, 86, 87,
+   43, 86, 85, 43,  2,  2,  2, 71, 70, 44, 44, 44, 44, 44, 44, 44,
    36, 36, 36, 61, 61, 36, 36, 62, 36, 36, 36, 36, 36, 36, 36, 62,
    36, 36, 36, 36, 63, 44, 44, 44, 36, 36, 36, 36, 36, 36, 36, 70,
    86, 87, 43, 43, 43, 80, 44, 44, 43, 86, 62, 36, 36, 36, 61, 62,
@@ -4276,17 +3186,20 @@ _hb_ucd_u8[17936] =
    70, 43, 43, 43, 43, 71, 36, 36, 36, 70, 43, 43, 85, 70, 43, 60,
     2,  2,  2, 59, 44, 44, 44, 44, 70, 43, 43, 85, 87, 43, 36, 36,
    36, 36, 36, 36, 36, 43, 43, 43, 43, 43, 43, 85, 43,  2, 72,  2,
-    2, 64, 44, 44, 44, 44, 44, 44, 43, 43, 43, 80, 43, 43, 43, 87,
-   63,  2,  2, 44, 44, 44, 44, 44,  2, 36, 36, 36, 36, 36, 36, 36,
-   44, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 89, 43, 43, 43,
-   85, 43, 87, 80, 44, 44, 44, 44, 36, 36, 36, 61, 36, 62, 36, 36,
-   70, 43, 43, 80, 44, 80, 43, 57, 43, 43, 43, 70, 44, 44, 44, 44,
-   36, 36, 36, 62, 61, 36, 36, 36, 36, 36, 36, 36, 36, 86, 86, 90,
-   43, 89, 87, 87, 61, 44, 44, 44, 36, 70, 85,107, 64, 44, 44, 44,
+    2, 64, 44, 44, 44, 44, 44, 44,  2,  2,  2,  2,  2, 44, 44, 44,
+   43, 43, 43, 80, 43, 43, 43, 87, 63,  2,  2, 44, 44, 44, 44, 44,
+    2, 36, 36, 36, 36, 36, 36, 36, 44, 43, 43, 43, 43, 43, 43, 43,
+   43, 43, 43, 43, 89, 43, 43, 43, 85, 43, 87, 80, 44, 44, 44, 44,
+   36, 36, 36, 61, 36, 62, 36, 36, 70, 43, 43, 80, 44, 80, 43, 57,
+   43, 43, 43, 70, 44, 44, 44, 44, 36, 36, 36, 62, 61, 36, 36, 36,
+   36, 36, 36, 36, 36, 86, 86, 90, 43, 89, 87, 87, 61, 44, 44, 44,
+   36, 70, 85,107, 64, 44, 44, 44, 43, 94, 36, 36, 36, 36, 36, 36,
+   36, 36, 86, 43, 43, 80, 44, 86, 85, 60,  2,  2,  2,  2,  2,  2,
    27, 27, 91, 67, 67, 67, 56, 20,168, 67, 67, 67, 67, 67, 67, 67,
    67, 44, 44, 44, 44, 44, 44, 93,105,105,105,105,105,105,105,181,
     2,  2, 64, 44, 44, 44, 44, 44, 63, 64, 44, 44, 44, 44, 44, 44,
-   65, 65, 65, 65,132, 44, 44, 44, 43, 43, 60, 44, 44, 44, 44, 44,
+   65, 65, 65, 65, 65, 65, 65, 65, 71, 36, 36, 70, 43, 43, 43, 43,
+   43, 43, 43, 44, 44, 44, 44, 44, 43, 43, 60, 44, 44, 44, 44, 44,
    43, 43, 43, 60,  2,  2, 67, 67, 40, 40, 97, 44, 44, 44, 44, 44,
     7,  7,  7,  7,  7,179, 27, 27, 27, 62, 36, 36, 36, 36, 36, 36,
    36, 36, 36, 36, 44, 44, 62, 36, 27, 27, 27, 30,  2, 64, 44, 44,
@@ -4294,7 +3207,8 @@ _hb_ucd_u8[17936] =
    86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 44, 44, 44, 57,
    43, 74, 40, 40, 40, 40, 40, 40, 40, 88, 80, 44, 44, 44, 44, 44,
    86, 44, 44, 44, 44, 44, 44, 44, 40, 40, 52, 40, 40, 40, 52, 81,
-   36, 61, 44, 44, 44, 44, 44, 44, 44, 44, 36, 36, 44, 44, 44, 44,
+   36, 61, 44, 44, 44, 44, 44, 44, 44, 61, 44, 44, 44, 44, 44, 44,
+   36, 61, 62, 44, 44, 44, 44, 44, 44, 44, 36, 36, 44, 44, 44, 44,
    36, 36, 36, 36, 36, 44, 50, 60, 65, 65, 44, 44, 44, 44, 44, 44,
    43, 43, 43, 43, 43, 43, 43, 44, 43, 43, 43, 80, 44, 44, 44, 44,
    67, 67, 67, 92, 55, 67, 67, 67, 67, 67,186, 87, 43, 67,186, 86,
@@ -4319,10 +3233,12 @@ _hb_ucd_u8[17936] =
    43, 43, 43, 43, 43, 43, 76, 67, 67, 67, 50, 67, 67, 67, 67, 67,
    67, 67, 76, 21,  2,  2, 44, 44, 44, 44, 44, 44, 44, 57, 43, 43,
    16, 16, 16, 16, 16, 39, 16, 16, 16, 16, 16, 16, 16, 16, 16,110,
-   43, 43, 43, 80, 43, 43, 43, 43, 43, 43, 43, 43, 80, 57, 43, 43,
-   43, 57, 80, 43, 43, 80, 44, 44, 43, 43, 43, 74, 40, 40, 40, 44,
-    7,  7,  7,  7,  7, 44, 44, 77, 36, 36, 36, 36, 36, 36, 36, 80,
-   36, 36, 36, 36, 36, 36, 43, 43,  7,  7,  7,  7,  7, 44, 44, 96,
+   44, 44,150, 16, 16,110, 44, 44, 43, 43, 43, 80, 43, 43, 43, 43,
+   43, 43, 43, 43, 80, 57, 43, 43, 43, 57, 80, 43, 43, 80, 44, 44,
+   40, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 44, 57,
+   43, 43, 43, 74, 40, 40, 40, 44,  7,  7,  7,  7,  7, 44, 44, 77,
+   36, 36, 36, 36, 36, 36, 36, 80, 36, 36, 36, 36, 36, 36, 43, 43,
+    7,  7,  7,  7,  7, 44, 44, 96, 36, 36, 36, 36, 36, 83, 43, 43,
    36, 36, 36, 61, 36, 36, 62, 61, 36, 36, 61,179, 27, 27, 27, 27,
    16, 16, 43, 43, 43, 74, 44, 44, 27, 27, 27, 27, 27, 27,163, 27,
   188, 27,100, 44, 44, 44, 44, 44, 27, 27, 27, 27, 27, 27, 27,163,
@@ -4335,156 +3251,136 @@ _hb_ucd_u8[17936] =
    27, 27, 27, 27, 27, 27, 91, 67, 67, 67, 67, 67, 67, 67, 67, 44,
    44, 44, 44, 67, 67, 67, 67, 67, 67, 92, 44, 44, 44, 44, 44, 44,
    67, 67, 67, 67, 92, 44, 44, 44, 67, 44, 44, 44, 44, 44, 44, 44,
-   67, 67, 67, 67, 67, 25, 41, 41, 67, 67, 67, 67, 44, 44, 55, 67,
-   67, 67, 67, 67, 44, 44, 44, 44, 67, 67, 92, 44, 67, 67, 92, 44,
+   67, 67, 67, 67, 67, 25, 41, 41, 67, 67, 67, 67, 44, 44, 67, 67,
+   67, 67, 67, 92, 44, 55, 67, 67, 67, 67, 67, 67, 44, 44, 44, 44,
+   67, 67, 67, 67, 67, 67, 67, 55, 67, 67, 67, 44, 44, 44, 44, 67,
    67, 92, 67, 67, 67, 67, 67, 67, 79, 44, 44, 44, 44, 44, 44, 44,
-   65, 65, 65, 65, 65, 65, 65, 65,171,171,171,171,171,171,171, 44,
-  171,171,171,171,171,171,171,  0,  0,  0, 29, 21, 21, 21, 23, 21,
-   22, 18, 21, 25, 21, 17, 13, 13, 25, 25, 25, 21, 21,  9,  9,  9,
-    9, 22, 21, 18, 24, 16, 24,  5,  5,  5,  5, 22, 25, 18, 25,  0,
-   23, 23, 26, 21, 24, 26,  7, 20, 25,  1, 26, 24, 26, 25, 15, 15,
-   24, 15,  7, 19, 15, 21,  9, 25,  9,  5,  5, 25,  5,  9,  5,  7,
-    7,  7,  9,  8,  8,  5,  7,  5,  6,  6, 24, 24,  6, 24, 12, 12,
-    2,  2,  6,  5,  9, 21,  9,  2,  2,  9, 25,  9, 26, 12, 11, 11,
-    2,  6,  5, 21, 17,  2,  2, 26, 26, 23,  2, 12, 17, 12, 21, 12,
-   12, 21,  7,  2,  2,  7,  7, 21, 21,  2,  1,  1, 21, 23, 26, 26,
-    1, 21,  6,  7,  7, 12, 12,  7, 21,  7, 12,  1, 12,  6,  6, 12,
-   12, 26,  7, 26, 26,  7,  2,  1, 12,  2,  6,  2, 24,  7,  7,  6,
-    1, 12, 12, 10, 10, 10, 10, 12, 21,  6,  2, 10, 10,  2, 15, 26,
-   26,  2,  2, 21,  7, 10, 15,  7,  2, 23, 21, 26, 10,  7, 21, 15,
-   15,  2, 17,  7, 29,  7,  7, 22, 18,  2, 14, 14, 14,  7, 10, 21,
-   17, 21, 11, 12,  5,  2,  5,  6,  8,  8,  8, 24,  5, 24,  2, 24,
-    9, 24, 24,  2, 29, 29, 29,  1, 17, 17, 20, 19, 22, 20, 27, 28,
-    1, 29, 21, 20, 19, 21, 21, 16, 16, 21, 25, 22, 18, 21, 21, 29,
-    1,  2, 15,  6, 18,  6, 23,  2, 12, 11,  9, 26, 26,  9, 26,  5,
-    5, 26, 14,  9,  5, 14, 14, 15, 25, 26, 26, 22, 18, 26, 18, 25,
-   18, 22,  5, 12,  2,  5, 22, 21, 21, 22, 18, 17, 26,  6,  7, 14,
-   17, 22, 18, 18, 26, 14, 17,  6, 14,  6, 12, 24, 24,  6, 26, 15,
-    6, 21, 11, 21, 24,  9,  6,  9, 23, 26,  6, 10,  4,  4,  3,  3,
-    7, 25, 17, 16, 16, 22, 16, 16, 25, 17, 25,  2, 25, 24,  2, 15,
-   12, 15, 14,  2, 21, 14,  7, 15, 12, 17, 21,  1, 26, 10, 10,  1,
-   23, 15,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0, 10, 11, 12,
-   13,  0, 14,  0,  0,  0,  0,  0, 15,  0, 16,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 17, 18, 19,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 20,
-    0, 21, 22, 23,  0,  0,  0, 24, 25, 26, 27, 28, 29, 30, 31, 32,
-   33,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 34,  0, 35,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   36,  0,  0,  0,  0,  0,  0,  0,  0,  0, 37, 38,  0,  0,  0,  0,
-    0,  0, 39, 40,  0,  0, 41,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    1,  2,  3,  4,  0,  0,  0,  0,  0,  0,  0,  0,  5,  0,  0,  0,
-    0,  0,  0,  0,  6,  7,  8,  0,  9,  0, 10, 11,  0,  0, 12, 13,
-   14, 15, 16,  0,  0,  0,  0, 17, 18, 19, 20,  0, 21,  0, 22, 23,
-    0, 24, 25,  0,  0, 24, 26, 27,  0, 24, 26,  0,  0, 24, 26,  0,
-    0, 24, 26,  0,  0,  0, 26,  0,  0, 24, 28,  0,  0, 24, 26,  0,
-    0, 29, 26,  0,  0,  0, 30,  0,  0, 31, 32,  0,  0, 33, 34,  0,
-   35, 36,  0, 37, 38,  0, 39,  0,  0, 40,  0,  0, 41,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 42,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   43, 44,  0,  0,  0,  0, 45,  0,  0,  0,  0,  0,  0, 46,  0,  0,
-    0, 47,  0,  0,  0,  0,  0,  0, 48,  0,  0, 49,  0, 50, 51,  0,
-    0, 52, 53, 54,  0, 55,  0, 56,  0, 57,  0,  0,  0,  0, 58, 59,
-    0,  0,  0,  0,  0,  0, 60, 61,  0,  0,  0,  0,  0,  0, 62, 63,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 64,
-    0,  0,  0, 65,  0,  0,  0, 66,  0, 67,  0,  0, 68,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 69, 70,  0,  0, 71,
-    0,  0,  0,  0,  0,  0,  0,  0, 72, 73,  0,  0,  0,  0, 53, 74,
-    0, 75, 76,  0,  0, 77, 78,  0,  0,  0,  0,  0,  0, 79, 80, 81,
-    0,  0,  0,  0,  0,  0,  0, 26,  0,  0,  0,  0,  0,  0,  0,  0,
-   82,  0,  0,  0,  0,  0,  0,  0,  0, 83,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 84,  0,  0,  0,  0,  0,  0,  0, 85,
-    0,  0,  0, 86,  0,  0,  0,  0, 87, 88,  0,  0,  0,  0,  0, 89,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0, 90,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 91,  0,  0,
-    0,  0, 92,  0, 93,  0,  0,  0,  0,  0, 72, 94,  0, 95,  0,  0,
-   96, 97,  0, 77,  0,  0, 98,  0,  0, 99,  0,  0,  0,  0,  0,100,
-    0,101, 26,102,  0,  0,  0,  0,  0,  0,103,  0,  0,  0,104,  0,
-    0,  0,  0,  0,  0, 65,105,  0,  0, 65,  0,  0,  0,106,  0,  0,
-    0,107,  0,  0,  0,  0,  0,  0,  0, 95,  0,  0,  0,  0,  0,  0,
-    0,108,109,  0,  0,  0,  0, 78,  0, 44,110,  0,111,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0, 65,  0,  0,  0,  0,  0,  0,
-    0,  0,112,  0,113,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,114,
-    0,115,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,116,  0,  0,  0,  0,117,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,118,119,120,  0,  0,  0,  0,121,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,122,123,  0,  0,  0,  0,  0,  0,
-    0,115,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,124,  0,125,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,126,  0,
-    0,  0,127,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  171,171,171,171,171,171,171, 44,171,171,171,171,171,171,171,  0,
+    0,  0, 29, 21, 21, 21, 23, 21, 22, 18, 21, 25, 21, 17, 13, 13,
+   25, 25, 25, 21, 21,  9,  9,  9,  9, 22, 21, 18, 24, 16, 24,  5,
+    5,  5,  5, 22, 25, 18, 25,  0, 23, 23, 26, 21, 24, 26,  7, 20,
+   25,  1, 26, 24, 26, 25, 15, 15, 24, 15,  7, 19, 15, 21,  9, 25,
+    9,  5,  5, 25,  5,  9,  5,  7,  7,  7,  9,  8,  8,  5,  7,  5,
+    6,  6, 24, 24,  6, 24, 12, 12,  2,  2,  6,  5,  9, 21,  9,  2,
+    2,  9, 25,  9, 26, 12, 11, 11,  2,  6,  5, 21, 17,  2,  2, 26,
+   26, 23,  2, 12, 17, 12, 21, 12, 12, 21,  7,  2,  2,  7,  7, 21,
+   21,  2,  1,  1, 21, 23, 26, 26,  1, 21,  6,  7,  7, 12, 12,  7,
+   21,  7, 12,  1, 12,  6,  6, 12, 12, 26,  7, 26, 26,  7,  2,  1,
+   12,  2,  6,  2, 24,  7,  7,  6,  1, 12, 12, 10, 10, 10, 10, 12,
+   21,  6,  2, 10, 10,  2, 15, 26, 26,  2,  2, 21,  7, 10, 15,  7,
+    2, 23, 21, 26, 10,  7, 21, 15, 15,  2, 17,  7, 29,  7,  7, 22,
+   18,  2, 14, 14, 14,  7, 10, 21, 17, 21, 11, 12,  5,  2,  5,  6,
+    8,  8,  8, 24,  5, 24,  2, 24,  9, 24, 24,  2, 29, 29, 29,  1,
+   17, 17, 20, 19, 22, 20, 27, 28,  1, 29, 21, 20, 19, 21, 21, 16,
+   16, 21, 25, 22, 18, 21, 21, 29,  1,  2, 15,  6, 18,  6, 23,  2,
+   12, 11,  9, 26, 26,  9, 26,  5,  5, 26, 14,  9,  5, 14, 14, 15,
+   25, 26, 26, 22, 18, 26, 18, 25, 18, 22,  5, 12,  2,  5, 22, 21,
+   21, 22, 18, 17, 26,  6,  7, 14, 17, 22, 18, 18, 26, 14, 17,  6,
+   14,  6, 12, 24, 24,  6, 26, 15,  6, 21, 11, 21, 24,  9,  6,  9,
+   23, 26,  6, 10,  4,  4,  3,  3,  7, 25, 17, 16, 16, 22, 16, 16,
+   25, 17, 25,  2, 25, 24,  2, 15, 12, 15, 14,  2, 21, 14,  7, 15,
+   12, 17, 21,  1, 26, 10, 10,  1, 23, 15,  0,  1,  2,  3,  4,  5,
+    6,  7,  8,  9,  0, 10, 11, 12, 13,  0, 14,  0,  0,  0,  0,  0,
+   15,  0, 16,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 17, 18, 19,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0, 20,  0, 21, 22, 23,  0,  0,  0, 24,
+   25, 26, 27, 28, 29, 30, 31, 32, 33, 34,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 35,
+    0, 36,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0, 37,  0,  0,  0,  0,  0,  0,  0,
+    0,  0, 38, 39,  0,  0,  0,  0,  0,  0, 40, 41, 42,  0, 43,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  0,  0,
+    0,  0,  3,  0,  0,  0,  4,  5,  6,  7,  0,  8,  9, 10,  0, 11,
+   12, 13, 14, 15, 16, 17, 16, 18, 16, 19, 16, 19, 16, 19,  0, 19,
+   16, 20, 16, 19, 21, 19,  0, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+   31,  0, 32,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 33,  0,  0,
+    0,  0,  0,  0, 34,  0,  0, 35,  0,  0, 36,  0, 37,  0,  0,  0,
+   38, 39, 40, 41, 42, 43, 44, 45, 46,  0,  0, 47,  0,  0,  0, 48,
+    0,  0,  0, 49,  0,  0,  0,  0,  0,  0,  0, 50,  0, 51,  0, 52,
+   53,  0, 54,  0,  0,  0,  0,  0,  0, 55, 56, 57,  0,  0,  0,  0,
+   58,  0,  0, 59, 60, 61, 62, 63,  0,  0, 64, 65,  0,  0,  0, 66,
+    0,  0,  0,  0, 67,  0,  0,  0, 68,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0, 69,  0,  0,  0, 70,  0, 71,  0,  0,
+   72,  0,  0, 73,  0,  0,  0,  0,  0,  0,  0,  0, 74,  0,  0,  0,
+    0,  0, 75, 76,  0, 77, 78,  0,  0, 79, 80,  0, 81, 62,  0, 82,
+   83,  0,  0, 84, 85, 86,  0,  0,  0, 87,  0, 88,  0,  0, 51, 89,
+   51,  0, 90,  0, 91,  0,  0,  0, 80,  0,  0,  0, 92, 93,  0, 94,
+   95, 96, 97,  0,  0,  0,  0,  0, 51,  0,  0,  0,  0, 98, 99,  0,
+    0,  0,  0,  0,  0,100,  0,  0,  0,  0,  0,101,102,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,103,  0,  0,104,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,105,106,  0,  0,107,  0,  0,  0,  0,  0,  0,
+  108,  0,109,  0,102,  0,  0,  0,  0,  0,110,111,  0,  0,  0,  0,
+    0,  0,  0,112,  0,  0,  0,  0,  0,  0,  0,113,  0,114,  0,  0,
+    0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  0,  8,  0,  0,  0,
+    0,  9, 10, 11, 12,  0,  0,  0,  0, 13,  0,  0, 14, 15,  0, 16,
+    0, 17, 18,  0,  0, 19,  0, 20, 21,  0,  0,  0,  0,  0, 22, 23,
+    0, 24, 25,  0,  0, 26,  0,  0,  0, 27,  0,  0, 28, 29, 30, 31,
+    0,  0,  0, 32, 33, 34,  0,  0, 33,  0,  0, 35, 33,  0,  0,  0,
+   33, 36,  0,  0,  0,  0,  0, 37, 38,  0,  0,  0,  0,  0,  0, 39,
+   40,  0,  0,  0,  0,  0,  0, 41, 42,  0,  0,  0,  0, 43,  0, 44,
+    0,  0,  0, 45, 46,  0,  0,  0, 47,  0,  0,  0,  0,  0,  0, 48,
+   49,  0,  0,  0,  0, 50,  0,  0,  0, 51,  0, 52,  0, 53,  0,  0,
+    0,  0, 54,  0,  0,  0,  0, 55,  0, 56,  0,  0,  0,  0, 57, 58,
+    0,  0,  0, 59, 60,  0,  0,  0,  0,  0,  0, 61, 52,  0, 62, 63,
+    0,  0, 64,  0,  0,  0, 65, 66,  0,  0,  0, 67,  0, 68, 69, 70,
+   71, 72,  1, 73,  0, 74, 75, 76,  0,  0, 77, 78,  0,  0,  0, 79,
+    0,  0,  1,  1,  0,  0, 80,  0,  0, 81,  0,  0,  0,  0, 77, 82,
+    0, 83,  0,  0,  0,  0,  0, 78, 84,  0, 85,  0, 52,  0,  1, 78,
+    0,  0, 86,  0,  0, 87,  0,  0,  0,  0,  0, 88, 57,  0,  0,  0,
+    0,  0,  0, 89, 90,  0,  0, 84,  0,  0, 33,  0,  0, 91,  0,  0,
+    0,  0, 92,  0,  0,  0,  0, 49,  0,  0, 93,  0,  0,  0,  0, 94,
+   95,  0,  0, 96,  0,  0, 97,  0,  0,  0, 98,  0,  0,  0, 99,  0,
+    0,  0,  0,100,101, 93,  0,  0,102,  0,  0,  0, 84,  0,  0,103,
+    0,  0,  0,104,105,  0,  0,106,107,  0,  0,  0,  0,  0,  0,108,
+    0,  0,109,  0,  0,  0,  0,110, 33,  0,111,112,113, 35,  0,  0,
+  114,  0,  0,  0,115,  0,  0,  0,  0,  0,  0,116,  0,  0,117,  0,
+    0,  0,  0,118, 88,  0,  0,  0,  0,  0, 57,  0,  0,  0,  0, 52,
+  119,  0,  0,  0,  0,120,  0,  0,121,  0,  0,  0,  0,119,  0,  0,
+  122,  0,  0,  0,  0,  0,  0,123,  0,  0,  0,124,  0,  0,  0,125,
+    0,126,  0,  0,  0,  0,127,128,129,  0,130,  0,131,  0,  0,  0,
+  132,133,134,  0, 77,  0,  0,  0,  0,  0, 35,  0,  0,  0,135,  0,
+    0,  0,136,  0,  0,137,  0,  0,138,  0,  0,  0,  0,  0,  0,  0,
     1,  1,  1,  1,  1,  2,  3,  4,  5,  6,  7,  4,  4,  8,  9, 10,
-    1, 11, 12, 13, 14, 15, 16, 17, 18,  1,  1,  1,  0,  0,  0,  0,
-   19,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 20, 21, 22,  1,
-   23,  4, 21, 24, 25, 26, 27, 28, 29, 30,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  1,  1, 31,  0,  0,  0, 32, 33, 34, 35,  1, 36,
-    0,  0,  0,  0, 37,  0,  0,  0,  0,  0,  0,  0,  0, 38,  1, 39,
-   14, 39, 40, 41,  0,  0,  0,  0,  0,  0,  0,  0, 42,  0,  0,  0,
-    0,  0,  0,  0, 43, 36, 44, 45, 21, 45, 46,  0,  0,  0,  0,  0,
-    0,  0, 19,  1, 21,  0,  0, 47,  0,  0,  0,  0,  0, 38, 48,  1,
-    1, 49, 49, 50,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 51,  0,
-    0,  0,  0,  0,  0,  0, 52,  1,  0,  0, 38, 14,  4,  1,  1,  1,
-   53, 21, 43, 52, 54, 21, 35,  1,  0,  0,  0,  0,  0,  0,  0, 55,
-    0,  0,  0, 56, 57, 58,  0,  0,  0,  0,  0, 56,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 59,  0,  0,  0, 56,  0, 60,  0,  0,
-    0,  0,  0,  0,  0,  0, 61, 62,  0,  0, 63,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 64,  0,  0,  0, 65,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 66,  0,  0,  0, 67,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 68,  0,  0,  0,  0,  0,  0, 69, 70,  0,
-    0,  0,  0,  0, 71, 72, 73, 74, 75, 76,  0,  0,  0,  0,  0,  0,
-    0, 77,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 78, 79,  0,
-    0,  0,  0, 47,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 49,
-    0,  0,  0,  0,  0, 80,  0,  0,  0,  0,  0,  0,  0, 62,  0,  0,
-    0,  0,  0,  0, 63,  0,  0, 81,  0,  0, 82,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 83,  0,  0,  0,  0,  0,  0, 19, 84,  0,
-   62,  0,  0,  0,  0, 49,  1, 85,  0,  0,  0,  0,  1, 52, 15, 86,
-   36, 10, 21, 87,  0,  0,  0,  0,  0,  0,  0,  0,  0, 55,  0,  0,
-    0, 62,  0,  0,  0,  0,  0,  0,  0,  0, 19, 10,  1,  0,  0,  0,
-    0,  0, 88,  0,  0,  0,  0,  0,  0, 89,  0,  0, 88,  0,  0,  0,
-    0,  0,  0,  0,  0, 78,  0,  0,  0,  0,  0,  0, 87,  9, 12,  4,
+    1, 11, 12, 13, 14, 15, 16, 17, 18,  1,  1,  1, 19,  1,  0,  0,
+   20, 21, 22,  1, 23,  4, 21, 24, 25, 26, 27, 28, 29, 30,  0,  0,
+    1,  1, 31,  0,  0,  0, 32, 33, 34, 35,  1, 36, 37,  0,  0,  0,
+    0, 38,  1, 39, 14, 39, 40, 41, 42,  0,  0,  0, 43, 36, 44, 45,
+   21, 45, 46,  0,  0,  0, 19,  1, 21,  0,  0, 47,  0, 38, 48,  1,
+    1, 49, 49, 50,  0,  0, 51,  0,  0,  0, 52,  1,  0,  0, 38, 14,
+    4,  1,  1,  1, 53, 21, 43, 52, 54, 21, 35,  1,  0,  0,  0, 55,
+    0,  0,  0, 56, 57, 58,  0,  0,  0,  0,  0, 59,  0, 60,  0,  0,
+    0,  0, 61, 62,  0,  0, 63,  0,  0,  0, 64,  0,  0,  0, 65,  0,
+    0,  0, 66,  0,  0,  0, 67,  0,  0,  0, 68,  0,  0, 69, 70,  0,
+   71, 72, 73, 74, 75, 76,  0,  0,  0, 77,  0,  0,  0, 78, 79,  0,
+    0,  0,  0, 47,  0,  0,  0, 49,  0, 80,  0,  0,  0, 62,  0,  0,
+   63,  0,  0, 81,  0,  0, 82,  0,  0,  0, 83,  0,  0, 19, 84,  0,
+   62,  0,  0,  0,  0, 49,  1, 85,  1, 52, 15, 86, 36, 10, 21, 87,
+    0, 55,  0,  0,  0,  0, 19, 10,  1,  0,  0,  0,  0,  0, 88,  0,
+    0, 89,  0,  0, 88,  0,  0,  0,  0, 78,  0,  0, 87,  9, 12,  4,
    90,  8, 91, 47,  0, 58, 50,  0, 21,  1, 21, 92, 93,  1,  1,  1,
-    1,  1,  1,  1,  1, 94, 95, 96,  0,  0,  0,  0, 97,  1, 98, 58,
-   81, 99,100,  4, 58,  0,  0,  0,  0,  0,  0, 19, 50,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 61,  1,  1,  1,  1,  1,  1,  1,  1,
-    0,  0,101,102,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,103,  0,
-    0,  0,  0, 19,  0,  1,  1, 50,  0,  0,  0,  0,  0,  0,  0, 38,
-    0,  0,  0,  0, 50,  0,  0,  0,  0, 63,  0,  0,  0,  0,  0,  0,
-    0,  0,  0, 62,  0,  0,  0,  0,  1,  1,  1,  1, 50,  0,  0,  0,
-    0,  0,104, 68,  0,  0,  0,  0,  0,  0,  0,  0, 61,  0,  0,  0,
-    0,  0,  0,  0, 78,  0,  0,  0, 62,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,105,106, 58, 38, 81,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 63,  0,  0,  0,  0,  0,  0,  0,  0,  0,107,
-    1, 14,  4, 12,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 47,
-   84,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 38, 87,  0,
-    0,  0,  0,108,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,109, 61,
-    0,110,  0,  0,  0,  0,  0,  0,  0,  1,  0,  0,  0,  0,  0,  0,
-    0,  0, 19, 58,  0,  0,  0,  0,  0,111, 14, 52, 84,  0,  0,  0,
-  112, 41,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 62,  0,  0, 61,
-    0,  0,  0,  0,  0,  0,113,  0, 87,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 61, 62,  0,  0, 62,  0, 89,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,113,  0,  0,  0,  0,114,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 78, 55,  0, 38,  1, 58,  1, 58,  0,  0,
-   63, 89,  0,  0,  0,  0,  0, 59,115,  0,  0,  0,  0,  0,  0,  0,
-   55,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,115,  0,  0,
-    0,  0, 61,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 79,
-   78,  0,  0,  0,  0,  0,  0,  0,  0, 61,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 56,  0, 89, 80,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 61,  0,  0,  0,  0,  0,  0,  8, 91,  0,  0,
-    0,  0,  0,  0,  1, 87,  0,  0,  0,  0,  0,  0,116,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,117,  0,118,119,120,121,  0,104,  4,
-  122, 49, 23,  0,  0,  0,  0,  0,  0,  0, 38, 50,  0,  0,  0,  0,
-   38, 58,  0,  0,  0,  0,  0,  0,  1, 87,  1,  1,  1,  1, 39,  1,
-   48,105, 87,  0,  0,  0,  0,  0,  0,  0,  0, 59,  0,  0,  0,  0,
-    0,  0,  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  4,122,  0,  0,
-    0,  1,123,  0,  0,  0,  0,  0,  0,  0,  0,  0,230,230,230,230,
+    1, 94, 95, 96, 97,  1, 98, 58, 81, 99,100,  4, 58,  0,  0,  0,
+    0,  0,  0, 19, 50,  0,  0,  0,  0,  0,  0, 61,  0,  0,101,102,
+    0,  0,103,  0,  0,  1,  1, 50,  0,  0,  0, 38,  0, 63,  0,  0,
+    0,  0,  0, 62,  0,  0,104, 68, 61,  0,  0,  0, 78,  0,  0,  0,
+  105,106, 58, 38, 81,  0,  0,  0,  0,  0,  0,107,  1, 14,  4, 12,
+   84,  0,  0,  0,  0, 38, 87,  0,  0,  0,  0,108,  0,  0,109, 61,
+    0,110,  0,  0,  0,  1,  0,  0,  0,  0, 19, 58,  0,  0,  0, 51,
+    0,111, 14, 52,112, 41,  0,  0, 62,  0,  0, 61,  0,  0,113,  0,
+   87,  0,  0,  0, 61, 62,  0,  0, 62,  0, 89,  0,  0,113,  0,  0,
+    0,  0,114,  0,  0,  0, 78, 55,  0, 38,  1, 58,  1, 58,  0,  0,
+   63, 89,  0,  0,115,  0,  0,  0, 55,  0,  0,  0,  0,115,  0,  0,
+    0,  0, 61,  0,  0,  0,  0, 79,  0, 61,  0,  0,  0,  0, 56,  0,
+   89, 80,  0,  0, 79,  0,  0,  0,  8, 91,  0,  0,  1, 87,  0,  0,
+  116,  0,  0,  0,  0,  0,  0,117,  0,118,119,120,121,  0,104,  4,
+  122, 49, 23,  0,  0,  0, 38, 50, 38, 58,  0,  0,  1, 87,  1,  1,
+    1,  1, 39,  1, 48,105, 87,  0,  0,  0,  0,  1,  0,  0,  0,123,
+    4,122,  0,  0,  0,  1,124,  0,  0,  0,  0,  0,230,230,230,230,
   230,232,220,220,220,220,232,216,220,220,220,220,220,202,202,220,
   220,220,220,202,202,220,220,220,  1,  1,  1,  1,  1,220,220,220,
   220,230,230,230,230,240,230,220,220,220,230,230,230,220,220,  0,
@@ -4515,51 +3411,54 @@ _hb_ucd_u8[17936] =
     0,230,220,  0,  0,  0,220,220,  0,  0,230,220,  0,  9,  7,  0,
     0,  7,  9,  0,  0,  0,  9,  7,  6,  6,  0,  0,  0,  0,  1,  0,
     0,216,216,  1,  1,  1,  0,  0,  0,226,216,216,216,216,216,  0,
-  220,220,220,  0,230,230,  7,  0, 16, 17, 17, 17, 17, 17, 17, 33,
-   17, 17, 17, 19, 17, 17, 17, 17, 20,101, 17,113,129,169, 17, 27,
-   28, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+  220,220,220,  0,232,232,220,230,230,230,  7,  0, 16, 17, 17, 33,
+   17, 49, 17, 17, 84, 97,135,145, 26, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17, 17, 17, 17, 17,237,  0,  1,  2,  2,  0,  3,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  4,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  5,  0,  0,  0,  0,  6,  7,  8,  9,  0,  0,  0,
-   10, 11, 12, 13, 14, 15, 16, 17, 18, 19,  0,  0,  0,  0,  0,  0,
-    0,  0,  0, 20,  0,  0, 21, 22,  0,  0,  0,  0, 23, 24, 25, 26,
-    0, 27,  0, 28, 29, 30, 31, 32,  0,  0,  0,  0,  0,  0,  0, 33,
-   34, 35, 36,  0,  0,  0,  0,  0, 37,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 38, 39,  0,  0,  0,  0,  1,  2, 40, 41,  0,  1,  2,  2,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  0,  0,  0,  0,  2,
-    0,  0,  0,  0,  0,  0,  3,  4,  0,  0,  5,  0,  0,  0,  6,  0,
-    0,  0,  0,  0,  0,  0,  7,  1,  0,  0,  0,  0,  0,  0,  8,  9,
-    0,  0,  0,  0,  0,  0, 10,  0,  0, 10,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 10,  0,  0,  0, 10,  0,  0,  0,  0,
-    0,  0, 11, 12,  0, 13,  0, 14, 15, 16,  0,  0,  0,  0,  0,  1,
-   17, 18,  0, 19,  7,  1,  0,  0,  0, 20, 20,  7, 20, 20, 20, 20,
-   20, 20, 20,  8, 21,  0, 22,  0,  7, 23, 24,  0, 20, 20, 25,  0,
-    0,  0, 26, 27,  1,  7, 20, 20, 20, 20, 20,  1, 28, 29, 30, 31,
-    0,  0, 20,  0,  0,  0,  0,  0,  0,  0, 10,  0,  0,  0,  0,  0,
-    0,  0, 20, 20, 20,  1,  0,  0,  8, 21, 32,  4,  0, 10,  0, 33,
-    7, 20, 20, 20,  0,  0,  0,  0,  8, 34, 34, 35, 36, 34, 37,  0,
-   38,  1, 20, 20,  0,  0, 39,  0,  1,  1,  0,  8, 21,  1, 20,  0,
-    0,  0,  1,  0,  0, 40,  1,  1,  0,  0,  8, 21,  0,  1,  0,  1,
-    0,  1,  0,  0,  0,  0, 26, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-   21,  7, 20, 41, 34, 34, 34, 34, 34, 34, 34, 34, 34, 21,  0, 42,
-   43, 44,  0, 45,  0,  8, 21,  0,  0,  0,  0,  0,  0,  0,  0, 46,
-    7,  1, 10,  1,  0,  0,  0,  1, 20, 20,  1,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 26, 34,  9,  0,  0, 20, 20,  1, 20, 20,  0,
-    0,  0,  0,  0,  0,  0, 26, 21,  0,  1,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  3, 47, 48,  0,  0,  0,  0,  0,  0,  0,
-    0,  1,  2,  3,  4,  5,  6,  7,  7,  8,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  9, 10, 11, 11, 11, 11, 12, 13, 13, 13, 13, 14,
-   15, 16, 17, 18, 19, 20, 21, 13, 22, 13, 13, 13, 13, 23, 24, 24,
-   25, 26, 13, 13, 13, 27, 28, 29, 13, 30, 31, 32, 33, 34, 35, 36,
+   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,177,  0,  1,  2,  3,
+    3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
+    4,  3,  3,  3,  3,  3,  5,  3,  3,  3,  3,  3,  6,  7,  8,  3,
+    3,  3,  3,  3,  9, 10, 11, 12, 13,  3,  3,  3,  3,  3,  3,  3,
+    3, 14,  3, 15,  3,  3,  3,  3,  3,  3, 16, 17, 18, 19, 20, 21,
+    3,  3,  3, 22, 23, 24,  3,  3,  3,  3,  3,  3, 25,  3,  3,  3,
+    3,  3,  3,  3,  3, 26,  3,  3, 27, 28,  0,  1,  0,  0,  0,  0,
+    0,  1,  0,  2,  0,  0,  0,  3,  0,  0,  0,  3,  0,  0,  0,  0,
+    0,  4,  0,  5,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  6,  0,  0,  0,  7,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  8,  9,  0,  0,  0,  0,  0,  0,  9,  0,  9,  0,  0,
+    0,  0,  0,  0,  0, 10, 11, 12, 13,  0,  0, 14, 15, 16,  6,  0,
+   17, 18, 19, 19, 19, 20, 21, 22, 23, 24, 19, 25,  0, 26, 27, 19,
+   19, 28, 29, 30,  0, 31,  0,  0,  0,  8,  0,  0,  0,  0,  0,  0,
+    0, 19, 28,  0, 32, 33,  9, 34, 35, 19,  0,  0, 36, 37, 38, 39,
+   40, 19,  0, 41, 42, 43, 44, 31,  0,  1, 45, 42,  0,  0,  0,  0,
+    0, 32, 14, 14,  0,  0,  0,  0, 14,  0,  0, 46, 47, 47, 47, 47,
+   48, 49, 47, 47, 47, 47, 50, 51, 52, 53, 43, 21,  0,  0,  0,  0,
+    0,  0,  0, 54,  6, 55,  0, 14, 19,  1,  0,  0,  0,  0, 56, 57,
+    0,  0,  0,  0,  0, 19, 58, 31,  0,  0,  0,  0,  0,  0,  0, 59,
+   14,  0,  0,  0,  0,  1,  0,  2,  0,  0,  0,  3,  0,  0,  0, 60,
+   61,  0,  0,  0,  0,  0,  0,  0,  1,  0,  0,  0,  0,  0,  2,  3,
+    0,  4,  5,  0,  0,  6,  0,  0,  0,  7,  0,  0,  0,  1,  1,  0,
+    0,  8,  9,  0,  8,  9,  0,  0,  0,  0,  8,  9, 10, 11, 12,  0,
+    0,  0, 13,  0,  0,  0,  0, 14, 15, 16, 17,  0,  0,  0,  1,  0,
+    0, 18, 19,  0,  0,  0, 20,  0,  0,  0,  1,  1,  1,  1,  0,  1,
+    1,  1,  1,  1,  1,  1,  0,  8, 21,  9,  0,  0, 22,  0,  0,  0,
+    0,  1,  0, 23, 24, 25,  0,  0, 26,  0,  0,  0,  8, 21, 27,  0,
+    1,  0,  0,  1,  1,  1,  1,  0,  1, 28, 29, 30,  0, 31, 32, 20,
+    1,  1,  0,  0,  0,  8, 21,  9,  1,  4,  5,  0,  0,  0, 33,  9,
+    0,  1,  1,  1,  0,  8, 21, 21, 21, 21, 34,  1, 35, 21, 21, 21,
+    9, 36,  0,  0, 37, 38,  1,  0, 39,  0,  0,  0,  1,  0,  1,  0,
+    0,  0,  0,  8, 21,  9,  1,  0,  0,  0, 40,  0,  8, 21, 21, 21,
+   21, 21, 21, 21, 21,  9,  0,  1,  1,  1,  1,  8, 21, 21, 21,  9,
+    0,  0,  0, 41,  0, 42, 43,  0,  0,  0,  1, 44,  0,  0,  0, 45,
+    8,  9,  1,  0,  0,  0,  8, 21, 21, 21,  9,  0,  1,  0,  1,  1,
+    8, 21, 21,  9,  0,  4,  5,  8,  9,  1,  0,  0,  0,  1,  2,  3,
+    4,  5,  6,  7,  7,  8,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
+    9, 10, 11, 11, 11, 11, 12, 13, 13, 13, 13, 14, 15, 16, 17, 18,
+   19, 20, 21, 13, 22, 13, 13, 13, 13, 23, 24, 24, 25, 26, 13, 13,
+   13, 27, 28, 29, 13, 30, 31, 32, 33, 34, 35, 36,  7,  7,  7,  7,
     7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7, 37,  7, 38, 39,  7, 40,  7,  7,  7, 41, 13, 42,
-    7,  7, 43, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+   37,  7, 38, 39,  7, 40,  7,  7,  7, 41, 13, 42,  7,  7, 43,  7,
+   44, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
@@ -4580,411 +3479,221 @@ _hb_ucd_u8[17936] =
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-   44,  0,  0,  1,  2,  2,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11,
-   12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-   28, 29, 30, 31, 32, 32, 33, 34, 35, 36, 37, 37, 37, 37, 37, 38,
-   39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,  2,  2,
-   53, 54, 55, 56, 57, 58, 59, 59, 59, 59, 60, 59, 59, 59, 59, 59,
-   59, 59, 61, 61, 59, 59, 59, 59, 62, 63, 64, 65, 66, 67, 68, 69,
-   70, 71, 72, 73, 74, 75, 76, 77, 78, 59, 70, 70, 70, 70, 70, 70,
+   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 45,  0,  0,  1,
+    2,  2,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
+   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+   32, 32, 33, 34, 35, 36, 37, 37, 37, 37, 37, 38, 39, 40, 41, 42,
+   43, 44, 45, 46, 47, 48, 49, 50, 51, 52,  2,  2, 53, 54, 55, 56,
+   57, 58, 59, 59, 59, 59, 60, 59, 59, 59, 59, 59, 59, 59, 61, 61,
+   59, 59, 59, 59, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73,
+   74, 75, 76, 77, 78, 59, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
    70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
-   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 79, 70, 70,
-   70, 70, 80, 80, 80, 80, 80, 80, 80, 80, 80, 81, 82, 82, 83, 84,
-   85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 32, 32, 32, 32, 32, 32,
-   32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+   70, 70, 70, 70, 70, 70, 70, 70, 70, 79, 70, 70, 70, 70, 80, 80,
+   80, 80, 80, 80, 80, 80, 80, 81, 82, 82, 83, 84, 85, 86, 87, 88,
+   89, 90, 91, 92, 93, 94, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
    32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
-   32, 95, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-   96, 96, 96, 96, 70, 70, 97, 98, 99,100,101,101,102,103,104,105,
-  106,107,108,109,110,111, 96,112,113,114,115,116,117,118,119,119,
-  120,121,122,123,124,125,126,127,128,129,130,131,132, 96,133,134,
-  135,136,137,138,139,140,141,142,143, 96,144,145, 96,146,147,148,
-  149, 96,150,151,152,153,154,155, 96, 96,156,157,158,159, 96,160,
-   96,161,162,162,162,162,162,162,162,163,164,162,165, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-   96,166,167,167,167,167,167,167,167,167,168, 96, 96, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96,169,169,169,169,170, 96,
-   96, 96,171,171,171,171,172,173,174,175, 96, 96, 96, 96,176,177,
-  178,179,180,180,180,180,180,180,180,180,180,180,180,180,180,180,
-  180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,
-  180,181,180,180,180,180,180,180,182,182,182,183,184, 96, 96, 96,
+   32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 95, 96, 96,
    96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-   96,185,186,187,188,189,189,190, 96, 96, 96, 96, 96, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96,191,192, 96, 96, 96, 96,
-   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-  193,194, 59,195,196,197,198,199,200, 96,201,202,203, 59, 59,204,
-   59,205,206,206,206,206,206,207, 96, 96, 96, 96, 96, 96, 96, 96,
-  208, 96,209, 96,210, 96, 96,211, 96, 96, 96, 96, 96, 96, 96, 96,
-   96,212,213,214,215, 96, 96, 96, 96, 96,216,217,218, 96,219,220,
-   96, 96,221,222, 59,223,224, 96, 59, 59, 59, 59, 59, 59, 59,225,
-  226,227,228,229, 59, 59,230,231, 59,232, 96, 96, 96, 96, 96, 96,
-   96, 96, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,233,
+   70, 70, 97, 98, 99,100,101,101,102,103,104,105,106,107,108,109,
+  110,111, 96,112,113,114,115,116,117,118,119,119,120,121,122,123,
+  124,125,126,127,128,129,130,131,132, 96,133,134,135,136,137,138,
+  139,140,141,142,143, 96,144,145, 96,146,147,148,149, 96,150,151,
+  152,153,154,155,156, 96,157,158,159,160, 96,161,162,163,164,164,
+  164,164,164,164,164,165,166,164,167, 96, 96, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,168,169,169,
+  169,169,169,169,169,169,170, 96, 96, 96, 96, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96,171,171,171,171,172, 96, 96, 96,173,173,
+  173,173,174,175,176,177, 96, 96, 96, 96,178,179,180,181,182,182,
+  182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,
+  182,182,182,182,182,182,182,182,182,182,182,182,182,183,182,182,
+  182,182,182,182,184,184,184,185,186, 96, 96, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,187,188,189,
+  190,191,191,192, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96,193,194, 96, 96, 96, 96, 96, 96, 96, 96,
+   96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,195,196, 59,197,
+  198,199,200,201,202, 96,203,204,205, 59, 59,206, 59,207,208,208,
+  208,208,208,209, 96, 96, 96, 96, 96, 96, 96, 96,210, 96,211,212,
+  213, 96, 96,214, 96, 96, 96,215, 96, 96, 96, 96, 96,216,217,218,
+  219, 96, 96, 96, 96, 96,220,221,222, 96,223,224, 96, 96,225,226,
+   59,227,228, 96, 59, 59, 59, 59, 59, 59, 59,229,230,231,232,233,
+   59, 59,234,235, 59,236, 96, 96, 96, 96, 96, 96, 96, 96, 70, 70,
+   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,237, 70, 70, 70, 70,
+   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,238, 70,239, 70,
    70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
-  234, 70,235, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,
-   70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70,236,
-   70, 70, 70, 70, 70, 70, 70, 70, 70,237, 96, 96, 96, 96, 96, 96,
-   96, 96, 70, 70, 70, 70,238, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-   96, 96, 70, 70, 70, 70, 70, 70,239, 96, 96, 96, 96, 96, 96, 96,
-   96, 96,240, 96,241,242,  0,  1,  2,  2,  0,  1,  2,  2,  2,  3,
-    4,  5,  0,  0,  0,  0,  0,  0,  0,  0,  0, 19, 19, 19, 19, 19,
-   19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,  0,  0,  0,
-    0,  0,  0,  0, 19,  0,  0,  0,  0,  0, 19, 19, 19, 19, 19, 19,
-   19,  0, 19,  0,  0,  0,  0,  0,  0,  0, 19, 19, 19, 19, 19,  0,
-    0,  0,  0,  0, 26, 26,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,
-    1,  1,  9,  9,  9,  9,  0,  9,  9,  9,  2,  2,  9,  9,  9,  9,
-    0,  9,  2,  2,  2,  2,  9,  0,  9,  0,  9,  9,  9,  2,  9,  2,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  2,  9,  9,  9,
-    9,  9,  9,  9, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
-   55, 55,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  1,
-    1,  6,  2,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
-    4,  4,  4,  4,  4,  4,  4,  4,  4,  2,  4,  4,  4,  2,  2,  4,
-    4,  4,  2, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-   14, 14,  2,  2,  2,  2,  2,  2,  2,  2, 14, 14, 14,  2,  2,  2,
-    2, 14, 14, 14, 14, 14, 14,  2,  2,  2,  3,  3,  3,  3,  3,  0,
-    3,  3,  3,  3,  3,  3,  0,  3,  3,  3,  3,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  0,  3,  3,  3,  0,  0,  3,  3,  3,  3,  3,
-    3,  3,  3,  3,  3,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
-    3,  3,  1,  3,  3,  3,  3,  3,  3,  3, 37, 37, 37, 37, 37, 37,
-   37, 37, 37, 37, 37, 37, 37, 37,  2, 37, 37, 37, 37,  2,  2, 37,
-   37, 37, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,  2,  2,  2,  2,
-    2,  2, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  2,  2, 64,
-   64, 64, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,
-    2,  2, 90, 90, 90, 90, 90, 90, 90,  2, 95, 95, 95, 95, 95, 95,
-   95, 95, 95, 95, 95, 95,  2,  2, 95,  2, 37, 37, 37,  2,  2,  2,
-    2,  2,  3,  3,  3,  3,  3,  3,  3,  2,  3,  3,  2,  2,  2,  2,
-    2,  2,  3,  3,  0,  3,  3,  3,  3,  3,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  1,  1,  1,  1,  7,  7,  7,  7,  7,  7,  7,  0,  0,
-    7,  7,  5,  5,  5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  5,  2,
-    2,  5,  5,  2,  2,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  5,  5,  2,  5,  5,  5,  5,  5,  5,  5,  2,  5,  2,  2,  2,
-    5,  5,  5,  5,  2,  2,  5,  5,  5,  5,  5,  2,  2,  5,  5,  5,
-    5,  2,  2,  2,  2,  2,  2,  2,  2,  5,  2,  2,  2,  2,  5,  5,
-    2,  5,  5,  5,  5,  5,  2,  2,  5,  5,  5,  5,  5,  5,  5,  5,
-    5,  2,  2, 11, 11, 11,  2, 11, 11, 11, 11, 11, 11,  2,  2,  2,
-    2, 11, 11,  2,  2, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
-   11, 11, 11,  2, 11, 11, 11, 11, 11, 11, 11,  2, 11, 11,  2, 11,
-   11,  2, 11, 11,  2,  2, 11,  2, 11, 11, 11,  2,  2, 11, 11, 11,
-    2,  2,  2, 11,  2,  2,  2,  2,  2,  2,  2, 11, 11, 11, 11,  2,
-   11,  2,  2,  2,  2,  2,  2,  2, 11, 11, 11, 11, 11, 11, 11, 11,
-   11,  2,  2, 10, 10, 10,  2, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-    2, 10, 10, 10,  2, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-   10, 10, 10,  2, 10, 10, 10, 10, 10, 10, 10,  2, 10, 10,  2, 10,
-   10, 10, 10, 10,  2,  2, 10, 10, 10, 10, 10, 10,  2, 10, 10, 10,
-    2,  2, 10,  2,  2,  2,  2,  2,  2,  2, 10, 10, 10, 10,  2,  2,
-   10, 10, 10, 10,  2,  2,  2,  2,  2,  2,  2, 10, 10, 10, 10, 10,
-   10, 10,  2, 21, 21, 21,  2, 21, 21, 21, 21, 21, 21, 21, 21,  2,
-    2, 21, 21,  2,  2, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 21,  2, 21, 21, 21, 21, 21, 21, 21,  2, 21, 21,  2, 21,
-   21, 21, 21, 21,  2,  2, 21, 21, 21, 21, 21,  2,  2, 21, 21, 21,
-    2,  2,  2,  2,  2,  2,  2, 21, 21, 21,  2,  2,  2,  2, 21, 21,
-    2, 21, 21, 21, 21, 21,  2,  2, 21, 21,  2,  2, 22, 22,  2, 22,
-   22, 22, 22, 22, 22,  2,  2,  2, 22, 22, 22,  2, 22, 22, 22, 22,
-    2,  2,  2, 22, 22,  2, 22,  2, 22, 22,  2,  2,  2, 22, 22,  2,
-    2,  2, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,  2,  2,  2,  2,
-   22, 22, 22,  2,  2,  2,  2,  2,  2, 22,  2,  2,  2,  2,  2,  2,
-   22, 22, 22, 22, 22,  2,  2,  2,  2,  2, 23, 23, 23, 23, 23, 23,
-   23, 23, 23, 23, 23, 23, 23,  2, 23, 23, 23,  2, 23, 23, 23, 23,
-   23, 23, 23, 23,  2,  2, 23, 23, 23, 23, 23,  2, 23, 23, 23, 23,
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-    0,  0,  2,  2,  3,  3,  3,  3,  3,  3,  2,  2,  2,  2,  2,  2,
-    2,  3,  1,  1,  1,  1,  1,  1,  6,  6,  0,  0,  0,  2,  0,  0,
-    0,  0,  3,  3,  3,  3,  3,  2,  3,  3,  3,  3,  3,  3,  3,  2,
-    2,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   17, 17, 17, 17, 17, 17, 17, 17,  0,  0,  2,  2, 12, 12, 12, 12,
-   12, 12,  2,  2, 12, 12, 12,  2,  2,  2,  2,  0,  0,  0,  0,  0,
-    2,  2, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,  2, 49,
-   49, 49, 49, 49, 49, 49, 49, 49, 49,  2, 49, 49, 49,  2, 49, 49,
-    2, 49, 49, 49, 49, 49, 49, 49,  2,  2, 49, 49, 49,  2,  2,  2,
-    2,  2,  0,  0,  0,  2,  2,  2,  2,  0,  0,  0,  0,  0,  2,  2,
-    2,  0,  0,  0,  0,  0,  0,  2,  2,  2,  9,  2,  2,  2,  2,  2,
-    2,  2,  0,  0,  0,  0,  0,  1,  2,  2, 71, 71, 71, 71, 71, 71,
-   71, 71, 71, 71, 71, 71, 71,  2,  2,  2, 67, 67, 67, 67, 67, 67,
-   67, 67, 67,  2,  2,  2,  2,  2,  2,  2,  1,  0,  0,  0,  0,  0,
-    0,  0, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 42, 42, 42, 41, 41, 41, 41, 41, 41,
-   41, 41, 41, 41, 41,  2,  2,  2,  2,  2,118,118,118,118,118,118,
-  118,118,118,118,118,  2,  2,  2,  2,  2, 53, 53, 53, 53, 53, 53,
-   53, 53, 53, 53, 53, 53, 53, 53,  2, 53, 59, 59, 59, 59, 59, 59,
-   59, 59, 59, 59, 59, 59,  2,  2,  2,  2, 59, 59, 59, 59, 59, 59,
-    2,  2, 40, 40, 40, 40, 40, 40, 40, 40, 51, 51, 51, 51, 51, 51,
-   51, 51, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
-    2,  2, 50, 50,  2,  2,  2,  2,  2,  2,135,135,135,135,135,135,
-  135,135,135,135,135,135,  2,  2,  2,  2,106,106,106,106,106,106,
-  106,106,104,104,104,104,104,104,104,104,104,104,104,104,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2,104,161,161,161,161,161,161,
-  161,161,161,161,161,  2,161,161,161,161,161,161,161,  2,161,161,
-    2,161,161,161,  2,161,161,161,161,161,161,161,  2,161,161,  2,
-    2,  2,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
-  110,  2,110,110,110,110,110,110,  2,  2, 19, 19, 19, 19, 19, 19,
-    2, 19, 19,  2, 19, 19, 19, 19, 19, 19, 47, 47, 47, 47, 47, 47,
-    2,  2, 47,  2, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
-   47, 47, 47, 47, 47, 47, 47, 47,  2, 47, 47,  2,  2,  2, 47,  2,
-    2, 47, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
-    2, 81,120,120,120,120,120,120,120,120,116,116,116,116,116,116,
-  116,116,116,116,116,116,116,116,116,  2,  2,  2,  2,  2,  2,  2,
-    2,116,128,128,128,128,128,128,128,128,128,128,128,  2,128,128,
-    2,  2,  2,  2,  2,128,128,128,128,128, 66, 66, 66, 66, 66, 66,
-   66, 66, 66, 66, 66, 66,  2,  2,  2, 66, 72, 72, 72, 72, 72, 72,
-   72, 72, 72, 72,  2,  2,  2,  2,  2, 72, 98, 98, 98, 98, 98, 98,
-   98, 98, 97, 97, 97, 97, 97, 97, 97, 97,  2,  2,  2,  2, 97, 97,
-   97, 97,  2,  2, 97, 97, 97, 97, 97, 97, 57, 57, 57, 57,  2, 57,
-   57,  2,  2,  2,  2,  2, 57, 57, 57, 57, 57, 57, 57, 57,  2, 57,
-   57, 57,  2, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
-   57, 57, 57, 57, 57, 57, 57, 57,  2,  2, 57, 57, 57,  2,  2,  2,
-    2, 57, 57,  2,  2,  2,  2,  2,  2,  2, 88, 88, 88, 88, 88, 88,
-   88, 88,117,117,117,117,117,117,117,117,112,112,112,112,112,112,
-  112,112,112,112,112,112,112,112,112,  2,  2,  2,  2,112,112,112,
-  112,112, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78,
-    2,  2,  2, 78, 78, 78, 78, 78, 78, 78, 83, 83, 83, 83, 83, 83,
-   83, 83, 83, 83, 83, 83, 83, 83,  2,  2, 82, 82, 82, 82, 82, 82,
-   82, 82, 82, 82, 82,  2,  2,  2,  2,  2,122,122,122,122,122,122,
-  122,122,122,122,  2,  2,  2,  2,  2,  2,  2,122,122,122,122,  2,
-    2,  2,  2,122,122,122,122,122,122,122, 89, 89, 89, 89, 89, 89,
-   89, 89, 89,  2,  2,  2,  2,  2,  2,  2,130,130,130,130,130,130,
-  130,130,130,130,130,  2,  2,  2,  2,  2,  2,  2,130,130,130,130,
-  130,130,144,144,144,144,144,144,144,144,144,144,  2,  2,  2,  2,
-    2,  2,156,156,156,156,156,156,156,156,156,156,  2,156,156,156,
-    2,  2,156,156,  2,  2,  2,  2,  2,  2,147,147,147,147,147,147,
-  147,147,148,148,148,148,148,148,148,148,148,148,  2,  2,  2,  2,
-    2,  2,158,158,158,158,158,158,158,158,158,158,  2,  2,  2,  2,
-    2,  2,153,153,153,153,153,153,153,153,153,153,153,153,  2,  2,
-    2,  2,149,149,149,149,149,149,149,149,149,149,149,149,149,149,
-  149,  2, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
-    2,  2,  2,  2, 94, 94, 94, 94, 94, 94,  2,  2,  2,  2,  2,  2,
-    2, 94, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2, 85,  2,  2,101,101,101,101,101,101,
-  101,101,101,  2,  2,  2,  2,  2,  2,  2,101,101,  2,  2,  2,  2,
-    2,  2, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96,  2,
-   96, 96,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
-  111,  2,100,100,100,100,100,100,100,100,  2, 36, 36, 36, 36, 36,
-   36, 36, 36, 36, 36, 36, 36,  2,  2,  2,108,108,108,108,108,108,
-  108,108,108,108,  2,108,108,108,108,108,108,108,108,108,108,108,
-  108,  2,129,129,129,129,129,129,129,  2,129,  2,129,129,129,129,
-    2,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,
-    2,129,129,129,  2,  2,  2,  2,  2,  2,109,109,109,109,109,109,
-  109,109,109,109,109,  2,  2,  2,  2,  2,109,109,  2,  2,  2,  2,
-    2,  2,107,107,107,107,  2,107,107,107,107,107,107,107,107,  2,
-    2,107,107,  2,  2,107,107,107,107,107,107,107,107,107,107,107,
-  107,107,107,  2,107,107,107,107,107,107,107,  2,107,107,  2,107,
-  107,107,107,107,  2,  1,107,107,107,107,107,  2,  2,107,107,107,
-    2,  2,107,  2,  2,  2,  2,  2,  2,107,  2,  2,  2,  2,  2,107,
-  107,107,107,107,107,107,  2,  2,107,107,107,107,107,107,107,  2,
-    2,  2,137,137,137,137,137,137,137,137,137,137,137,137,  2,137,
-  137,137,137,137,  2,  2,  2,  2,  2,  2,124,124,124,124,124,124,
-  124,124,124,124,  2,  2,  2,  2,  2,  2,123,123,123,123,123,123,
-  123,123,123,123,123,123,123,123,  2,  2,114,114,114,114,114,114,
-  114,114,114,114,114,114,114,  2,  2,  2,114,114,  2,  2,  2,  2,
-    2,  2, 32, 32, 32, 32, 32,  2,  2,  2,102,102,102,102,102,102,
-  102,102,102,102,  2,  2,  2,  2,  2,  2,126,126,126,126,126,126,
-  126,126,126,126,126,  2,  2,126,126,126,126,126,126,126,  2,  2,
-    2,  2,126,126,126,126,126,126,126,  2,142,142,142,142,142,142,
-  142,142,142,142,142,142,  2,  2,  2,  2,125,125,125,125,125,125,
-  125,125,125,125,125,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
-    2,125,154,154,154,154,154,154,154,  2,  2,154,  2,  2,154,154,
-  154,154,154,154,154,154,  2,154,154,  2,154,154,154,154,154,154,
-  154,154,154,154,154,154,154,154,  2,154,154,  2,  2,154,154,154,
-  154,154,154,154,  2,  2,  2,  2,  2,  2,150,150,150,150,150,150,
-  150,150,  2,  2,150,150,150,150,150,150,150,150,150,150,150,  2,
-    2,  2,141,141,141,141,141,141,141,141,140,140,140,140,140,140,
-  140,140,140,140,140,  2,  2,  2,  2,  2,121,121,121,121,121,121,
-  121,121,121,  2,  2,  2,  2,  2,  2,  2,133,133,133,133,133,133,
-  133,133,133,  2,133,133,133,133,133,133,133,133,133,133,133,133,
-  133,  2,133,133,133,133,133,133,  2,  2,133,133,133,133,133,  2,
-    2,  2,134,134,134,134,134,134,134,134,  2,  2,134,134,134,134,
-  134,134,  2,134,134,134,134,134,134,134,134,134,134,134,134,134,
-  134,  2,138,138,138,138,138,138,138,  2,138,138,  2,138,138,138,
-  138,138,138,138,138,138,138,138,138,138,  2,  2,138,  2,138,138,
-    2,138,138,138,  2,  2,  2,  2,  2,  2,143,143,143,143,143,143,
-    2,143,143,  2,143,143,143,143,143,143,143,143,143,143,143,143,
-  143,143,143,143,143,143,143,143,143,  2,143,143,  2,143,143,143,
-  143,143,143,  2,  2,  2,  2,  2,  2,  2,143,143,  2,  2,  2,  2,
-    2,  2,145,145,145,145,145,145,145,145,145,  2,  2,  2,  2,  2,
-    2,  2, 86,  2,  2,  2,  2,  2,  2,  2, 22, 22,  2,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  2,  2, 22, 63, 63, 63, 63, 63, 63,
-   63, 63, 63, 63,  2,  2,  2,  2,  2,  2, 63, 63, 63, 63, 63, 63,
-   63,  2, 63, 63, 63, 63, 63,  2,  2,  2, 63, 63, 63, 63,  2,  2,
-    2,  2,157,157,157,157,157,157,157,157,157,157,157,  2,  2,  2,
-    2,  2, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
-   80,  2, 80,  2,  2,  2,  2,  2,  2,  2,127,127,127,127,127,127,
-  127,127,127,127,127,127,127,127,127,  2, 79,  2,  2,  2,  2,  2,
-    2,  2,115,115,115,115,115,115,115,115,115,115,115,115,115,115,
-  115,  2,115,115,  2,  2,  2,  2,115,115,159,159,159,159,159,159,
-  159,159,159,159,159,159,159,159,159,  2,159,159,  2,  2,  2,  2,
-    2,  2,103,103,103,103,103,103,103,103,103,103,103,103,103,103,
-    2,  2,119,119,119,119,119,119,119,119,119,119,119,119,119,119,
-    2,  2,119,119,  2,119,119,119,119,119,  2,  2,  2,  2,  2,119,
-  119,119,146,146,146,146,146,146,146,146,146,146,146,  2,  2,  2,
-    2,  2, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,  2,  2,  2,
-    2, 99,  2,  2,  2,  2,  2,  2,  2, 99,136,139, 13, 13,155,  2,
-    2,  2,136,136,136,136,136,136,136,136,155,155,155,155,155,155,
-  155,155,155,155,155,155,155,155,  2,  2,136,  2,  2,  2,  2,  2,
-    2,  2, 17, 17, 17, 17,  2, 17, 17, 17, 17, 17, 17, 17,  2, 17,
-   17,  2, 17, 15, 15, 15, 15, 15, 15, 15, 17, 17, 17,  2,  2,  2,
-    2,  2, 15, 15, 15,  2,  2,  2,  2,  2,  2,  2,  2,  2, 17, 17,
-   17, 17,139,139,139,139,139,139,139,139,139,139,139,139,  2,  2,
-    2,  2,105,105,105,105,105,105,105,105,105,105,105,  2,  2,  2,
-    2,  2,105,105,105,105,105,  2,  2,  2,105,  2,  2,  2,  2,  2,
-    2,  2,105,105,  2,  2,105,105,105,105,  1,  1,  1,  1,  1,  1,
-    2,  2,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  0,  0,  1,
-    1,  1,  1,  1,  1,  1,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,
-    0,  0,  2,  2,  0,  2,  2,  0,  0,  2,  2,  0,  0,  0,  0,  2,
-    0,  0,  0,  0,  2,  0,  2,  0,  0,  0,  0,  0,  0,  0,  2,  0,
-    0,  0,  0,  0,  0,  2,  2,  0,  0,  0,  0,  0,  2,  0,  0,  0,
-    0,  2,  0,  0,  0,  0,  0,  2,  0,  2,  2,  2,  0,  0,  0,  0,
-    0,  0,  0,  2,  0,  0,  0,  0,  0,  0,131,131,131,131,131,131,
-  131,131,131,131,131,131,  2,  2,  2,  2,  2,  2,  2,131,131,131,
-  131,131,  2,131,131,131,131,131,131,131, 56, 56, 56, 56, 56, 56,
-   56,  2, 56,  2,  2, 56, 56, 56, 56, 56, 56, 56,  2, 56, 56,  2,
-   56, 56, 56, 56, 56,  2,  2,  2,  2,  2,151,151,151,151,151,151,
-  151,151,151,151,151,151,151,  2,  2,  2,151,151,151,151,151,151,
+   17, 17, 17, 17, 17,  0,  2, 26, 26, 26, 26, 26, 26, 26,  2, 12,
+   12, 12, 12, 12, 12,  2, 12, 12, 12,  0, 39, 39, 39, 39, 39,  2,
+    2,  2, 39, 39, 39,  2, 86, 86, 86, 86, 77, 77, 77, 77, 79, 79,
+   79, 79, 19, 19, 19,  2, 19, 19,  2, 19,  2, 19, 19, 19, 19, 19,
+    2,  2,  2,  2, 19, 19, 60, 60, 60, 60, 60,  2,  2,  2, 65, 65,
+   65, 65, 75, 75, 75, 75, 75, 75,  2,  2,  2,  2, 75, 75, 69, 69,
+   69, 69, 69, 69,  0, 69, 74, 74, 74, 74,  2,  2,  2, 74, 12,  2,
+    2,  2, 84, 84, 84, 84, 84, 84,  2,  0, 84, 84,  2,  2,  2,  2,
+   84, 84, 33, 33, 33,  2, 68, 68, 68, 68, 68, 68, 68,  2, 68, 68,
+    2,  2, 92, 92, 92, 92, 92, 92, 92,  2,  2,  2,  2, 92, 87, 87,
+   87, 87, 87, 87, 87,  2, 19,  9, 19, 19, 19, 19,  0,  0, 87, 87,
+    2,  2,  2,  2,  2, 12,  2,  2,  2,  4, 14,  2, 14,  2, 14, 14,
+    2, 14, 14,  2, 14, 14,  2,  2,  2,  3,  3,  3,  0,  0,  2,  2,
+    3,  3,  1,  1,  6,  6,  3,  2,  3,  3,  3,  2,  2,  0,  2,  0,
+    0,  0,  0,  0, 17, 17, 17, 17,  0,  0,  2,  2, 12, 12, 49, 49,
+   49, 49,  2, 49, 49, 49, 49, 49, 49,  2, 49, 49,  2, 49, 49, 49,
+    2,  2,  9,  2,  2,  2,  0,  1,  2,  2, 71, 71, 71, 71, 71,  2,
+    2,  2, 67, 67, 67, 67, 67,  2,  2,  2, 42, 42, 42, 42,  2, 42,
+   42, 42, 41, 41, 41, 41, 41, 41, 41,  2,118,118,118,118,118,118,
+  118,  2, 53, 53, 53, 53, 53, 53,  2, 53, 59, 59, 59, 59, 59, 59,
+    2,  2, 40, 40, 40, 40, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50,
+    2,  2,135,135,135,135,106,106,106,106,104,104,104,104,  2,  2,
+    2,104,161,161,161,161,161,161,161,  2,161,161,  2,161,161,  2,
+    2,  2,110,110,110,110,110,110,110,  2,110,110,  2,  2, 19,  2,
+   19, 19, 47, 47, 47, 47, 47, 47,  2,  2, 47,  2, 47, 47, 47, 47,
+    2, 47, 47,  2,  2,  2, 47,  2,  2, 47, 81, 81, 81, 81, 81, 81,
+    2, 81,120,120,120,120,116,116,116,116,116,116,116,  2,  2,  2,
+    2,116,128,128,128,128,128,128,128,  2,128,128,  2,  2,  2,  2,
+    2,128, 66, 66, 66, 66,  2,  2,  2, 66, 72, 72, 72, 72, 72, 72,
+    2,  2,  2,  2,  2, 72, 98, 98, 98, 98, 97, 97, 97, 97,  2,  2,
+   97, 97, 57, 57, 57, 57,  2, 57, 57,  2,  2, 57, 57, 57, 57, 57,
+    2,  2, 57, 57, 57,  2,  2,  2,  2, 57, 57,  2,  2,  2, 88, 88,
+   88, 88,117,117,117,117,112,112,112,112,112,112,112,  2,  2,  2,
+    2,112, 78, 78, 78, 78, 78, 78,  2,  2,  2, 78, 78, 78, 83, 83,
+   83, 83, 83, 83,  2,  2, 82, 82, 82, 82, 82, 82, 82,  2,122,122,
+  122,122,122,122,  2,  2,  2,122,122,122,122,  2,  2,  2, 89, 89,
+   89, 89, 89,  2,  2,  2,130,130,130,130,130,130,130,  2,  2,  2,
+  130,130,144,144,144,144,144,144,  2,  2,156,156,156,156,156,156,
+    2,156,156,156,  2,  2,  2,  3,  3,  3,147,147,147,147,148,148,
+  148,148,148,148,  2,  2,158,158,158,158,158,158,  2,  2,153,153,
+  153,153,149,149,149,149,149,149,149,  2, 94, 94, 94, 94, 94, 94,
+    2,  2,  2,  2, 94, 94,  2,  2,  2, 94, 85, 85, 85, 85, 85, 85,
+   85,  2,  2, 85,  2,  2,101,101,101,101,101,  2,  2,  2,101,101,
+    2,  2, 96, 96, 96, 96, 96,  2, 96, 96,111,111,111,111,111,111,
+  111,  2,100,100,100,100,108,108,108,108,108,108,  2,108,108,108,
+    2,  2,129,129,129,129,129,129,129,  2,129,  2,129,129,129,129,
+    2,129,129,129,  2,  2,109,109,109,109,109,109,109,  2,109,109,
+    2,  2,107,107,107,107,  2,107,107,107,107,  2,  2,107,107,  2,
+  107,107,107,107,  2,  1,107,107,  2,  2,107,  2,  2,  2,  2,  2,
+    2,107,  2,  2,107,107,137,137,137,137,  2,137,137,137,137,137,
+    2,  2,124,124,124,124,124,124,  2,  2,123,123,123,123,123,123,
+    2,  2,114,114,114,114,114,  2,  2,  2,114,114,  2,  2,102,102,
+  102,102,102,102,  2,  2,126,126,126,126,126,126,126,  2,  2,126,
+  126,126,142,142,142,142,125,125,125,125,125,125,125,  2,  2,  2,
+    2,125,154,154,154,154,154,154,154,  2,  2,154,  2,  2,  2,154,
+  154,  2,154,154,  2,154,154,  2,  2,154,154,154,  2,  2,150,150,
+  150,150,  2,  2,150,150,150,  2,  2,  2,141,141,141,141,140,140,
+  140,140,140,140,140,  2,121,121,121,121,121,  2,  2,  2,  7,  7,
+    2,  2,133,133,133,133,133,  2,133,133,133,133,133,  2,133,133,
+    2,  2,133,  2,  2,  2,134,134,134,134,  2,  2,134,134,  2,134,
+  134,134,134,134,134,  2,138,138,138,138,138,138,138,  2,138,138,
+    2,138,  2,  2,138,  2,138,138,  2,  2,143,143,143,143,143,143,
+    2,143,143,  2,143,143,143,143,143,  2,143,  2,  2,  2,143,143,
+    2,  2,145,145,145,145,145,  2,  2,  2,163,163,163,163,163,  2,
+  163,163,163,163,163,  2,  2,  2,163,163,163,163,  2,  2, 86,  2,
+    2,  2, 63, 63, 63, 63, 63, 63,  2,  2, 63, 63, 63,  2, 63,  2,
+    2,  2,157,157,157,157,157,157,157,  2, 80, 80, 80, 80, 80, 80,
+    2,  2,127,127,127,127,127,127,127,  2, 79,  2,  2,  2,115,115,
+  115,115,115,115,115,  2,115,115,  2,  2,  2,  2,115,115,159,159,
+  159,159,159,159,159,  2,159,159,  2,  2,103,103,103,103,103,103,
+    2,  2,119,119,119,119,119,119,  2,  2,119,119,  2,119,  2,119,
+  119,119,146,146,146,146,146,146,146,  2, 99, 99, 99, 99, 99, 99,
+   99,  2,  2,  2,  2, 99,136,139, 13, 13,155,  2,  2,  2,136,136,
+  136,136,155,155,155,155,155,155,  2,  2,136,  2,  2,  2,  2, 17,
+   17, 17,  2, 17, 17,  2, 17, 15, 15, 15, 17, 17, 17,  2,  2,  2,
+   15,  2,  2, 17,  2,  2,139,139,139,139,105,105,105,105,105,105,
+  105,  2,105,  2,  2,  2,105,105,  2,  2,  1,  1,  2,  2,  0,  0,
+    0,  1,  0,  1,  1,  1,  0,  0,  1,  1,  2,  2,  0,  2,  2,  0,
+    0,  2,  0,  2,  0,  2,131,131,131,131,  2,  2,  2,131,  2,131,
+  131,131, 56, 56, 56,  2, 56,  2,  2, 56, 56, 56,  2, 56, 56,  2,
+   56, 56,  6,  6,  2,  2,  2,  2,  2,  6,151,151,151,151,151,  2,
     2,  2,151,151,  2,  2,  2,  2,151,151,160,160,160,160,160,160,
-  160,160,160,160,160,160,160,160,160,  2,152,152,152,152,152,152,
-  152,152,152,152,  2,  2,  2,  2,  2,152, 30, 30, 30, 30,  2, 30,
-   30,  2,113,113,113,113,113,113,113,113,113,113,113,113,113,  2,
-    2,113,113,113,113,113,113,113,113,  2,132,132,132,132,132,132,
-  132,132,132,132,132,132,  2,  2,  2,  2,132,132,  2,  2,  2,  2,
-  132,132,  3,  3,  3,  3,  2,  3,  3,  3,  2,  3,  3,  2,  3,  2,
-    2,  3,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  2,  3,  3,
-    3,  3,  2,  3,  2,  3,  2,  2,  2,  2,  2,  2,  3,  2,  2,  2,
-    2,  3,  2,  3,  2,  3,  2,  3,  3,  3,  2,  3,  2,  3,  2,  3,
-    2,  3,  2,  3,  3,  3,  3,  2,  3,  2,  3,  3,  2,  3,  3,  3,
-    3,  3,  3,  3,  3,  3,  2,  2,  2,  2,  2,  3,  3,  3,  2,  3,
-    3,  3,  2,  2,  2,  2,  2,  2,  0,  0, 15,  0,  0,  2,  2,  2,
-    2,  2,  2,  2,  2,  2,  2,  0,  0,  0, 13,  2,  2,  2,  2,  2,
-    2,  2, 13, 13, 13,  2,  2,  2,  2,  2,  2,  0,  2,  2,  2,  2,
-    2,  2,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  9,  9,  9, 10,
-    9, 11, 12, 13,  9,  9,  9, 14,  9,  9, 15,  9,  9,  9,  9,  9,
+  160,  2,152,152,152,152,152,152,  2,  2,  2,  2,  2,152,164,164,
+  164,164,164,164,  2,  2,  2, 30, 30,  2,113,113,113,113,113,  2,
+    2,113,113,113,113,  2,132,132,132,132,132,132,  2,  2,  2,  2,
+  132,132,  2,  3,  3,  2,  3,  2,  2,  3,  2,  3,  2,  3,  2,  2,
+    3,  2,  3,  2,  3,  2,  3,  3,  2,  3, 15,  0,  0,  2, 13,  2,
+    2,  2, 13, 13, 13,  2,  2,  0,  2,  2,  0,  1,  2,  3,  4,  5,
+    6,  7,  8,  9,  9,  9,  9, 10,  9, 11, 12, 13,  9,  9,  9, 14,
+    9,  9, 15,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 16, 17,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 18, 19, 20,  9, 21,  9,
+    9,  9,  9,  9,  9,  9, 16, 17,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9, 18, 19, 20,  9, 21,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 22,  9,  9,  9,  9,  9,
+    9,  9, 22,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
@@ -4993,60 +3702,60 @@ _hb_ucd_u8[17936] =
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 23, 24,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  4,
-    5,  6,  7,  8,  9, 10, 11, 12,  0,  0, 13, 14, 15, 16, 17, 18,
-   19, 20, 21, 22,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 23,  0,  0, 24, 25, 26, 27, 28, 29, 30,  0,  0,
-   31, 32,  0, 33,  0, 34,  0, 35,  0,  0,  0,  0, 36, 37, 38, 39,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 40,  0,  0,  0,  0,  0,  0,  0,  0,  0, 41, 42,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    9,  9,  9,  9,  9,  9, 23, 24,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12,
+    0,  0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 23,  0,  0, 24,
+   25, 26, 27, 28, 29, 30,  0,  0, 31, 32,  0, 33,  0, 34,  0, 35,
+    0,  0,  0,  0, 36, 37, 38, 39,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 40,  0,  0,  0,  0,  0,
+    0,  0,  0,  0, 41, 42,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 43, 44,  0, 45,  0,  0,  0,  0,  0,  0, 46, 47,  0,  0,
-    0,  0,  0, 48,  0, 49,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 50, 51,  0,  0,  0, 52,  0,  0, 53,  0,  0,  0,
-    0,  0,  0,  0, 54,  0,  0,  0,  0,  0,  0,  0, 55,  0,  0,  0,
-    0,  0,  0,  0, 56,  0,  0,  0,  0,  0,  0,  0,  0, 57,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 43, 44,  0, 45,  0,  0,
+    0,  0,  0,  0, 46, 47,  0,  0,  0,  0,  0, 48,  0, 49,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 50, 51,  0,  0,
+    0, 52,  0,  0, 53,  0,  0,  0,  0,  0,  0,  0, 54,  0,  0,  0,
+    0,  0,  0,  0, 55,  0,  0,  0,  0,  0,  0,  0, 56,  0,  0,  0,
+    0,  0,  0,  0,  0, 57,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 58, 59, 60, 61,
+   62, 63, 64, 65,  0,  0,  0,  0,  0,  0, 66,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 58, 59, 60, 61, 62, 63, 64, 65,  0,  0,  0,  0,
-    0,  0, 66,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0, 67, 68,  0, 69, 70,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0, 71, 72, 73, 74, 75, 76, 77, 78,
+   79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
+   95, 96, 97, 98, 99,100,101,102,103,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,104,  0,  0,  0,  0,  0,
+    0,105,106,  0,107,  0,  0,  0,108,  0,109,  0,110,  0,111,112,
+  113,  0,114,  0,  0,  0,115,  0,  0,  0,116,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   67, 68,  0, 69, 70,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86,
-   87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,101,102,
-  103,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,104,  0,  0,  0,  0,  0,  0,105,106,  0,107,  0,  0,  0,
-  108,  0,109,  0,110,  0,111,112,113,  0,114,  0,  0,  0,115,  0,
-    0,  0,116,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,117,  0,  0,
+    0,  0,  0,  0,  0,117,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,118,119,120,121,
+    0,122,123,124,125,126,  0,127,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,118,119,120,121,  0,122,123,124,125,126,  0,127,
+    0,  0,  0,  0,  0,  0,  0,  0,128,129,130,131,132,133,134,135,
+  136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,
+  152,153,154,155,156,157,  0,  0,  0,158,159,160,161,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,162,163,  0,  0,  0,  0,  0,  0,  0,164,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-  128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
-  144,145,146,147,148,149,150,151,152,153,154,155,156,157,  0,  0,
-    0,158,159,160,161,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,162,163,  0,  0,  0,  0,  0,
-    0,  0,164,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,165,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,165,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,166,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,167,  0,  0,  0,  0,
+    0,  0,  0,166,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,167,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,168,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,168,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,169,170,  0,
+    0,  0,  0,171,172,  0,  0,  0,173,174,175,176,177,178,179,180,
+  181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,
+  197,198,199,200,201,202,203,204,205,206,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,169,170,  0,  0,  0,  0,171,172,  0,  0,  0,
-  173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,
-  189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,
-  205,206,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  4,
+    0,  0,  0,  0,  1,  2,  3,  4,
 };
 static const uint16_t
-_hb_ucd_u16[9200] =
+_hb_ucd_u16[10040] =
 {
      0,   0,   1,   2,   3,   4,   5,   6,   0,   0,   7,   8,   9,  10,  11,  12,
     13,  13,  13,  14,  15,  13,  13,  16,  17,  18,  19,  20,  21,  22,  13,  23,
@@ -5120,537 +3829,583 @@ _hb_ucd_u16[9200] =
     48,  48,  48, 468,  48, 469,  48, 470,  48, 471, 472, 140, 140, 140, 140, 140,
     48,  48,  48,  48, 196, 140, 140, 140,   9,   9,   9, 473,  11,  11,  11, 474,
     48,  48, 475, 192, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 271, 476,
-    48,  48, 477, 478, 140, 140, 140, 140,  48, 464, 479,  48,  62, 480, 140,  48,
-   481, 140, 140,  48, 482, 140,  48, 314, 483,  48,  48, 484, 485, 457, 486, 487,
-   222,  48,  48, 488, 489,  48, 196, 192, 490,  48, 491, 492, 493,  48,  48, 494,
-   222,  48,  48, 495, 496, 497, 498, 499,  48,  97, 500, 501, 140, 140, 140, 140,
-   502, 503, 504,  48,  48, 505, 506, 192, 507,  83,  84, 508, 509, 510, 511, 512,
-    48,  48,  48, 513, 514, 515, 478, 140,  48,  48,  48, 516, 517, 192, 140, 140,
-    48,  48, 518, 519, 520, 521, 140, 140,  48,  48,  48, 522, 523, 192, 524, 140,
-    48,  48, 525, 526, 192, 140, 140, 140,  48, 173, 527, 528, 314, 140, 140, 140,
-    48,  48, 500, 529, 140, 140, 140, 140, 140, 140,   9,   9,  11,  11, 148, 530,
-   531, 532,  48, 533, 534, 192, 140, 140, 140, 140, 535,  48,  48, 536, 537, 140,
-   538,  48,  48, 539, 540, 541,  48,  48, 542, 543, 544,  48,  48,  48,  48, 196,
-    84,  48, 518, 545, 546, 148, 175, 547,  48, 548, 549, 550, 140, 140, 140, 140,
-   551,  48,  48, 552, 553, 192, 554,  48, 555, 556, 192, 140, 140, 140, 140, 140,
-   140, 140, 140, 140, 140, 140,  48, 557, 140, 140, 140, 100, 271, 558, 559, 560,
-    48, 207, 140, 140, 140, 140, 140, 140, 272, 272, 272, 272, 272, 272, 561, 562,
-    48,  48,  48,  48, 388, 140, 140, 140, 140,  48,  48,  48,  48,  48,  48, 563,
-    48,  48, 200, 564, 140, 140, 140, 140,  48,  48,  48,  48, 314, 140, 140, 140,
-    48,  48,  48, 196,  48, 200, 370,  48,  48,  48,  48, 200, 192,  48, 204, 565,
-    48,  48,  48, 566, 567, 568, 569, 570,  48, 140, 140, 140, 140, 140, 140, 140,
-   140, 140, 140, 140,   9,   9,  11,  11, 271, 571, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48, 572, 573, 574, 574, 575, 576, 140, 140, 140, 140, 577, 578,
+    48,  48, 477, 478, 140, 140, 140, 479,  48, 464, 480,  48,  62, 481, 140,  48,
+   482, 140, 140,  48, 483, 140,  48, 314, 484,  48,  48, 485, 486, 457, 487, 488,
+   222,  48,  48, 489, 490,  48, 196, 192, 491,  48, 492, 493, 494,  48,  48, 495,
+   222,  48,  48, 496, 497, 498, 499, 500,  48,  97, 501, 502, 503, 140, 140, 140,
+   504, 505, 506,  48,  48, 507, 508, 192, 509,  83,  84, 510, 511, 512, 513, 514,
+    48,  48,  48, 515, 516, 517, 478, 140,  48,  48,  48, 518, 519, 192, 140, 140,
+    48,  48, 520, 521, 522, 523, 140, 140,  48,  48,  48, 524, 525, 192, 526, 140,
+    48,  48, 527, 528, 192, 140, 140, 140,  48, 173, 529, 530, 314, 140, 140, 140,
+    48,  48, 501, 531, 140, 140, 140, 140, 140, 140,   9,   9,  11,  11, 148, 532,
+   533, 534,  48, 535, 536, 192, 140, 140, 140, 140, 537,  48,  48, 538, 539, 140,
+   540,  48,  48, 541, 542, 543,  48,  48, 544, 545, 546,  48,  48,  48,  48, 196,
+   547, 140, 140, 140, 140, 140, 140, 140,  84,  48, 520, 548, 549, 148, 175, 550,
+    48, 551, 552, 553, 140, 140, 140, 140, 554,  48,  48, 555, 556, 192, 557,  48,
+   558, 559, 192, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,  48, 560,
+   561, 115,  48, 562, 563, 192, 140, 140, 140, 140, 140, 100, 271, 564, 565, 566,
+    48, 207, 140, 140, 140, 140, 140, 140, 272, 272, 272, 272, 272, 272, 567, 568,
+    48,  48,  48,  48, 388, 140, 140, 140, 140,  48,  48,  48,  48,  48,  48, 569,
+    48,  48,  48, 570, 571, 572, 140, 140,  48,  48,  48,  48, 314, 140, 140, 140,
+    48,  48,  48, 196,  48, 200, 370,  48,  48,  48,  48, 200, 192,  48, 204, 573,
+    48,  48,  48, 574, 575, 576, 577, 578,  48, 140, 140, 140, 140, 140, 140, 140,
+   140, 140, 140, 140,   9,   9,  11,  11, 271, 579, 140, 140, 140, 140, 140, 140,
+    48,  48,  48,  48, 580, 581, 582, 582, 583, 584, 140, 140, 140, 140, 585, 586,
     48,  48,  48,  48,  48,  48,  48, 440,  48,  48,  48,  48,  48, 199, 140, 140,
-   196, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 579,
-    48,  48, 580, 140, 140, 580, 581,  48,  48,  48,  48,  48,  48,  48,  48, 206,
-    48,  48,  48,  48,  48,  48,  71, 151, 196, 582, 583, 140, 140, 140, 140, 140,
-    32,  32, 584,  32, 585, 209, 209, 209, 209, 209, 209, 209, 323, 140, 140, 140,
-   209, 209, 209, 209, 209, 209, 209, 324, 209, 209, 586, 209, 209, 209, 587, 588,
-   589, 209, 590, 209, 209, 209, 288, 140, 209, 209, 209, 209, 591, 140, 140, 140,
-   140, 140, 140, 140, 140, 140, 271, 592, 209, 209, 209, 209, 209, 287, 271, 461,
-     9, 593,  11, 594, 595, 596, 241,   9, 597, 598, 599, 600, 601,   9, 593,  11,
-   602, 603,  11, 604, 605, 606, 607,   9, 608,  11,   9, 593,  11, 594, 595,  11,
-   241,   9, 597, 607,   9, 608,  11,   9, 593,  11, 609,   9, 610, 611, 612, 613,
-    11, 614,   9, 615, 616, 617, 618,  11, 619,   9, 620,  11, 621, 622, 622, 622,
-    32,  32,  32, 623,  32,  32, 624, 625, 626, 627,  45, 140, 140, 140, 140, 140,
-   628, 629, 140, 140, 140, 140, 140, 140, 630, 631, 632, 140, 140, 140, 140, 140,
-    48,  48, 151, 633, 634, 140, 140, 140, 140,  48, 635, 140,  48,  48, 636, 637,
-   140, 140, 140, 140, 140, 140, 638, 200,  48,  48,  48,  48, 639, 585, 140, 140,
-     9,   9, 597,  11, 640, 370, 140, 140, 140, 140, 140, 140, 140, 140, 140, 498,
-   271, 271, 641, 642, 140, 140, 140, 140, 498, 271, 643, 644, 140, 140, 140, 140,
-   645,  48, 646, 647, 648, 649, 650, 651, 652, 206, 653, 206, 140, 140, 140, 654,
-   209, 209, 325, 209, 209, 209, 209, 209, 209, 323, 334, 655, 655, 655, 209, 324,
-   656, 209, 209, 209, 209, 209, 209, 209, 209, 209, 657, 140, 140, 140, 658, 209,
-   659, 209, 209, 325, 660, 661, 324, 140, 209, 209, 209, 209, 209, 209, 209, 662,
-   209, 209, 209, 209, 209, 663, 426, 426, 209, 209, 209, 209, 209, 209, 209, 323,
-   209, 209, 209, 209, 209, 660, 325, 427, 325, 209, 209, 209, 664, 176, 209, 209,
-   664, 209, 657, 661, 140, 140, 140, 140, 209, 209, 209, 209, 209, 323, 657, 665,
-   287, 209, 426, 288, 324, 176, 664, 287, 209, 666, 209, 209, 288, 140, 140, 192,
-    48,  48,  48,  48,  48,  48, 140, 140,  48,  48,  48, 196,  48,  48,  48,  48,
+   196, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 587,
+    48,  48, 588, 589, 140, 590, 591,  48,  48,  48,  48,  48,  48,  48,  48, 206,
+    48,  48,  48,  48,  48,  48,  71, 151, 196, 592, 593, 140, 140, 140, 140, 140,
+    32,  32, 594,  32, 595, 209, 209, 209, 209, 209, 209, 209, 323, 140, 140, 140,
+   209, 209, 209, 209, 209, 209, 209, 324, 209, 209, 596, 209, 209, 209, 597, 598,
+   599, 209, 600, 209, 209, 209, 288, 140, 209, 209, 209, 209, 601, 140, 140, 140,
+   140, 140, 140, 140, 271, 602, 271, 602, 209, 209, 209, 209, 209, 287, 271, 461,
+     9, 603,  11, 604, 605, 606, 241,   9, 607, 608, 609, 610, 611,   9, 603,  11,
+   612, 613,  11, 614, 615, 616, 617,   9, 618,  11,   9, 603,  11, 604, 605,  11,
+   241,   9, 607, 617,   9, 618,  11,   9, 603,  11, 619,   9, 620, 621, 622, 623,
+    11, 624,   9, 625, 626, 627, 628,  11, 629,   9, 630,  11, 631, 632, 632, 632,
+    32,  32,  32, 633,  32,  32, 634, 635, 636, 637,  45, 140, 140, 140, 140, 140,
+   638, 639, 640, 140, 140, 140, 140, 140, 641, 642, 643,  27,  27,  27, 644, 140,
+   645, 140, 140, 140, 140, 140, 140, 140,  48,  48, 151, 646, 647, 140, 140, 140,
+   140,  48, 648, 140,  48,  48, 649, 650, 140, 140, 140, 140, 140,  48, 651, 192,
+   140, 140, 140, 140, 140, 140, 652, 200,  48,  48,  48,  48, 653, 595, 140, 140,
+     9,   9, 607,  11, 654, 370, 140, 140, 140, 140, 140, 140, 140, 140, 140, 499,
+   271, 271, 655, 656, 140, 140, 140, 140, 499, 271, 657, 658, 140, 140, 140, 140,
+   659,  48, 660, 661, 662, 663, 664, 665, 666, 206, 667, 206, 140, 140, 140, 668,
+   209, 209, 325, 209, 209, 209, 209, 209, 209, 323, 334, 669, 669, 669, 209, 324,
+   670, 209, 209, 209, 209, 209, 209, 209, 209, 209, 671, 140, 140, 140, 672, 209,
+   673, 209, 209, 325, 674, 675, 324, 140, 209, 209, 209, 209, 209, 209, 209, 676,
+   209, 209, 209, 209, 209, 677, 426, 426, 209, 209, 209, 209, 209, 209, 209, 678,
+   209, 209, 209, 209, 209, 176, 325, 427, 325, 209, 209, 209, 679, 176, 209, 209,
+   679, 209, 671, 675, 140, 140, 140, 140, 209, 209, 209, 209, 209, 323, 671, 426,
+   674, 209, 209, 680, 681, 325, 674, 674, 209, 682, 209, 209, 288, 140, 140, 192,
+    48,  48,  48,  48,  48,  48, 140, 140,  48,  48,  48, 207,  48,  48,  48,  48,
     48, 204,  48,  48,  48,  48,  48,  48,  48,  48, 478,  48,  48,  48,  48,  48,
     48,  48,  48,  48,  48,  48, 100, 140,  48, 204, 140, 140, 140, 140, 140, 140,
-    48,  48,  48,  48,  71, 140, 140, 140, 667, 140, 668, 668, 668, 668, 668, 668,
-    32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32,  32, 140,
-   391, 391, 391, 391, 391, 391, 391, 669, 391, 391, 391, 391, 391, 391, 391, 670,
-     0,   0,   0,   0,   0,   0,   0,   0,   1,   2,   2,   3,   1,   2,   2,   3,
-     0,   0,   0,   0,   0,   4,   0,   4,   2,   2,   5,   2,   2,   2,   5,   2,
-     2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,
-     2,   2,   2,   2,   2,   2,   2,   6,   0,   0,   0,   0,   7,   8,   0,   0,
-     9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,  10,  11,
-    12,  13,  14,  14,  15,  14,  14,  14,  14,  14,  14,  14,  16,  17,  14,  14,
-    18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,
-    19,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,  18,
-    18,  18,  18,  18,  18,  18,  20,  21,  21,  21,  22,  20,  21,  21,  21,  21,
-    21,  23,  24,  25,  25,  25,  25,  25,  25,  26,  25,  25,  25,  27,  28,  26,
-    29,  30,  31,  32,  31,  31,  31,  31,  33,  34,  35,  31,  31,  31,  36,  31,
-    31,  31,  31,  31,  31,  31,  31,  31,  31,  31,  31,  29,  31,  31,  31,  31,
-    37,  38,  37,  37,  37,  37,  37,  37,  37,  39,  31,  31,  31,  31,  31,  31,
-    40,  40,  40,  40,  40,  40,  41,  26,  42,  42,  42,  42,  42,  42,  42,  43,
-    44,  44,  44,  44,  44,  45,  44,  46,  47,  47,  47,  48,  37,  49,  31,  31,
-    31,  50,  51,  31,  31,  31,  31,  31,  31,  31,  31,  31,  52,  31,  31,  31,
-    53,  53,  53,  53,  53,  53,  53,  53,  53,  53,  54,  53,  55,  53,  53,  53,
-    56,  57,  58,  59,  59,  60,  61,  62,  57,  63,  64,  65,  66,  59,  59,  67,
-    68,  69,  70,  71,  71,  72,  73,  74,  69,  75,  76,  77,  78,  71,  79,  26,
-    80,  81,  82,  83,  83,  84,  85,  86,  81,  87,  88,  26,  89,  83,  90,  91,
-    92,  93,  94,  95,  95,  96,  97,  98,  93,  99, 100, 101, 102,  95,  95,  26,
-   103, 104, 105, 106, 107, 104, 108, 109, 104, 105, 110,  26, 111, 108, 108, 112,
-   113, 114, 115, 113, 113, 115, 113, 116, 114, 117, 118, 119, 120, 113, 121, 113,
-   122, 123, 124, 122, 122, 124, 125, 126, 123, 127, 128, 128, 129, 122, 130,  26,
-   131, 132, 133, 131, 131, 131, 131, 131, 132, 133, 134, 131, 135, 131, 131, 131,
-   136, 137, 138, 139, 137, 137, 140, 141, 138, 142, 143, 137, 144, 137, 145,  26,
-   146, 147, 147, 147, 147, 147, 147, 148, 147, 147, 147, 149,  26,  26,  26,  26,
-   150, 151, 152, 152, 153, 152, 152, 154, 155, 154, 152, 156,  26,  26,  26,  26,
-   157, 157, 157, 157, 157, 157, 157, 157, 157, 158, 157, 157, 157, 159, 158, 157,
-   157, 157, 157, 158, 157, 157, 157, 160, 157, 160, 161, 162,  26,  26,  26,  26,
-   163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163,
-   163, 163, 163, 163, 164, 164, 164, 164, 165, 166, 164, 164, 164, 164, 164, 167,
-   168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168,
-   169, 169, 169, 169, 169, 169, 169, 169, 169, 170, 171, 170, 169, 169, 169, 169,
-   169, 170, 169, 169, 169, 169, 170, 171, 170, 169, 171, 169, 169, 169, 169, 169,
-   169, 169, 170, 169, 169, 169, 169, 169, 169, 169, 169, 172, 169, 169, 169, 173,
-   169, 169, 169, 174, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 176, 176,
-   177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177,
-   178, 178, 178, 179, 180, 180, 180, 180, 180, 180, 180, 180, 180, 181, 180, 182,
-   183, 183, 184, 185, 186, 186, 187,  26, 188, 188, 189,  26, 190, 191, 192,  26,
-   193, 193, 193, 193, 193, 193, 193, 193, 193, 193, 193, 194, 193, 195, 193, 195,
-   196, 197, 197, 198, 197, 197, 197, 197, 197, 197, 197, 197, 197, 197, 197, 199,
-   197, 197, 197, 197, 197, 200, 177, 177, 177, 177, 177, 177, 177, 177, 201,  26,
-   202, 202, 202, 203, 202, 204, 202, 204, 205, 202, 206, 206, 206, 207, 208,  26,
-   209, 209, 209, 209, 209, 210, 209, 209, 209, 211, 209, 212, 193, 193, 193, 193,
-   213, 213, 213, 214, 215, 215, 215, 215, 215, 215, 215, 216, 215, 215, 215, 217,
-   215, 218, 215, 218, 215, 219,   9,   9,   9, 220,  26,  26,  26,  26,  26,  26,
-   221, 221, 221, 221, 221, 221, 221, 221, 221, 222, 221, 221, 221, 221, 221, 223,
-   224, 224, 224, 224, 224, 224, 224, 224, 225, 225, 225, 225, 225, 225, 226, 227,
-   228, 228, 228, 228, 228, 228, 228, 229, 228, 230, 231, 231, 231, 231, 231, 231,
-    18, 232, 164, 164, 164, 164, 164, 233, 224,  26, 234,   9, 235, 236, 237, 238,
-     2,   2,   2,   2, 239, 240,   2,   2,   2,   2,   2, 241, 242, 243,   2, 244,
-     2,   2,   2,   2,   2,   2,   2, 245,   9,   9,   9,   9,   9,   9,   9,   9,
-    14,  14, 246, 246,  14,  14,  14,  14, 246, 246,  14, 247,  14,  14,  14, 246,
-    14,  14,  14,  14,  14,  14, 248,  14, 248,  14, 249, 250,  14,  14, 251, 252,
-     0, 253,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 254,   0, 255, 256,
-     0, 257,   2, 258,   0,   0,   0,   0, 259,  26,   9,   9,   9,   9, 260,  26,
-     0,   0,   0,   0, 261, 262,   4,   0,   0, 263,   0,   0,   2,   2,   2,   2,
-     2, 264,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+    48,  48,  48,  48,  71,  48,  48,  48,  48,  48,  48, 140, 140, 140, 140, 140,
+   683, 140, 570, 570, 570, 570, 570, 570,  32,  32,  32,  32,  32,  32,  32,  32,
+    32,  32,  32,  32,  32,  32,  32, 140, 391, 391, 391, 391, 391, 391, 391, 684,
+   391, 391, 391, 391, 391, 391, 391, 685,   0,   0,   0,   0,   1,   2,   1,   2,
+     0,   0,   3,   3,   4,   5,   4,   5,   4,   4,   4,   4,   4,   4,   4,   4,
+     4,   4,   4,   6,   0,   0,   7,   0,   8,   8,   8,   8,   8,   8,   8,   9,
+    10,  11,  12,  11,  11,  11,  13,  11,  14,  14,  14,  14,  14,  14,  14,  14,
+    15,  14,  14,  14,  14,  14,  14,  14,  14,  14,  14,  16,  17,  18,  17,  17,
+    19,  20,  21,  21,  22,  21,  23,  24,  25,  26,  27,  27,  28,  29,  27,  30,
+    27,  27,  27,  27,  27,  31,  27,  27,  32,  33,  33,  33,  34,  27,  27,  27,
+    35,  35,  35,  36,  37,  37,  37,  38,  39,  39,  40,  41,  42,  43,  44,  27,
+    45,  46,  27,  27,  27,  27,  47,  27,  48,  48,  48,  48,  48,  49,  50,  48,
+    51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,
+    67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,
+    83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,
+    99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 109, 110, 111, 112, 109,
+   113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 122, 123, 122, 124, 125, 125,
+   126, 127, 128, 129, 130, 131, 125, 125, 132, 132, 132, 132, 133, 132, 134, 135,
+   132, 133, 132, 136, 136, 137, 125, 125, 138, 138, 138, 138, 138, 138, 138, 138,
+   138, 138, 139, 139, 140, 139, 139, 141, 142, 142, 142, 142, 142, 142, 142, 142,
+   143, 143, 143, 143, 144, 145, 143, 143, 144, 143, 143, 146, 147, 148, 143, 143,
+   143, 147, 143, 143, 143, 149, 143, 150, 143, 151, 152, 152, 152, 152, 152, 153,
+   154, 154, 154, 154, 154, 154, 154, 154, 155, 156, 157, 157, 157, 157, 158, 159,
+   160, 161, 162, 163, 164, 165, 166, 167, 168, 168, 168, 168, 168, 169, 170, 170,
+   171, 172, 173, 173, 173, 173, 173, 174, 173, 173, 175, 154, 154, 154, 154, 176,
+   177, 178, 179, 179, 180, 181, 182, 183, 184, 184, 185, 184, 186, 187, 168, 168,
+   188, 189, 190, 190, 190, 191, 190, 192, 193, 193, 194,   8, 195, 125, 125, 125,
+   196, 196, 196, 196, 197, 196, 196, 198, 199, 199, 199, 199, 200, 200, 200, 201,
+   202, 202, 202, 203, 204, 205, 205, 205, 206, 139, 139, 207, 208, 209, 210, 211,
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-   592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592,
-   592, 592, 592, 592, 592, 593, 592, 594,  26,  26,  26,  26,  26,  26,  26,  26,
-   595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595, 595,
-   595, 595, 595, 595, 595, 595, 595, 595, 596,  26,  26,  26,  26,  26,  26,  26,
-   304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304, 304,
-   304, 304, 304, 304, 304, 304, 304, 597, 598, 598, 598, 599, 598, 600, 601, 601,
-   601, 601, 601, 601, 601, 601, 601, 602, 601, 603, 604, 604, 604, 605, 605,  26,
-   606, 606, 606, 606, 606, 606, 606, 606, 607,  26, 606, 608, 608, 606, 606, 609,
-   606, 606,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-    26,  26,  26,  26,  26,  26,  26,  26, 610, 610, 610, 610, 610, 610, 610, 610,
-   610, 610, 610, 611,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-   612, 612, 612, 612, 612, 612, 612, 612, 612, 613, 612, 612, 612, 612, 612, 612,
-   612, 614, 612, 612,  26,  26,  26,  26,  26,  26,  26,  26, 615,  26, 346,  26,
-   616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616,
-   616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616, 616,  26,
-   617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 617,
-   617, 617, 617, 617, 617, 617, 617, 617, 617, 617, 618,  26,  26,  26,  26,  26,
-   616, 619,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-    26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26, 620, 621,
-   622, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286,
-   286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286, 286,
-   286, 286, 286, 286, 623,  26,  26,  26,  26,  26, 624,  26, 625,  26, 626, 626,
-   626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626,
-   626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 626, 627,
-   628, 628, 628, 628, 628, 628, 628, 628, 628, 628, 628, 628, 628, 629, 628, 630,
-   628, 631, 628, 632, 280,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-     9,   9,   9,   9,   9, 633,   9,   9, 220,  26,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0, 280,  26,  26,  26,  26,  26,  26,  26,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 275,  26,
-     0,   0,   0,   0, 257, 362,   0,   0,   0,   0,   0,   0, 634, 635,   0, 636,
-   637, 638,   0,   0,   0, 639,   0,   0,   0,   0,   0,   0,   0, 265,  26,  26,
-    14,  14,  14,  14,  14,  14,  14,  14, 246,  26,  26,  26,  26,  26,  26,  26,
-    26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,   0,   0, 280,  26,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 257,  26,   0,   0,   0, 259,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 254,   0,   0,   0,   0,   0,
-     0,   0,   0, 254, 640, 641,   0, 642, 643,   0,   0,   0,   0,   0,   0,   0,
-   268, 644, 254, 254,   0,   0,   0, 645, 646, 647, 648,   0,   0,   0,   0,   0,
-     0,   0,   0,   0, 275,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0, 267,   0,   0,   0,   0,   0,   0,
-   649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649, 649,
-   649, 650,  26, 651, 652, 649,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-     2,   2,   2, 347,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,
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-   657, 657, 657, 657, 657, 658, 657, 659, 657, 660,  26,  26,  26,  26,  26,  26,
-    26,  26, 661, 661, 661, 662,  26,  26, 663, 663, 663, 663, 663, 663, 663, 664,
-    26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26, 171, 665, 169, 171,
-   666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666, 666,
-   666, 666, 666, 666, 666, 666, 666, 666, 667, 666, 668,  26,  26,  26,  26,  26,
-   669, 669, 669, 669, 669, 669, 669, 669, 669, 670, 669, 671,  26,  26,  26,  26,
-    26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26,  26, 362,   0,
-     0,   0,   0,   0,   0,   0, 376,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-   362,   0,   0,   0,   0,   0,   0, 275,  26,  26,  26,  26,  26,  26,  26,  26,
-   672,  31,  31,  31, 673, 674, 675, 676, 677, 678, 673, 679, 673, 675, 675, 680,
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-     0,   0, 280,  26,   0, 257, 362,   0, 362,   0, 362,   0,   0,   0, 275,  26,
-     0,   0,   0,   0,   0, 275,  26,  26,  26,  26,  26,  26, 684,   0,   0,   0,
-   685,  26,   0,   0,   0,   0,   0, 280,   0, 259, 313,  26, 275,  26,  26,  26,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 686,   0, 376,   0, 376,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 280,  26,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 259,   0, 280, 259,  26,
-     0, 280,   0,   0,   0,   0,   0,   0,   0,  26,   0, 313,   0,   0,   0,   0,
-     0,  26,   0,   0,   0, 275, 313,  26,  26,  26,  26,  26,  26,  26,  26,  26,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0, 280,  26,   0, 275, 376, 376,
-   257,  26,   0,   0,   0, 376,   0, 265, 275,  26,   0, 313,   0,  26, 257,  26,
-     0,   0, 359,   0,   0,   0,   0,   0,   0, 265,  26,  26,  26,  26,   0, 313,
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-   276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 276, 687,  26,  26,  26,
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-   276, 276, 276, 276, 276, 276, 276, 276, 276, 688,  26,  26,  26,  26,  26,  26,
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-     9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   0,   0,
+     0,   0,   0,   0,   0, 949,1134,1010,1195,1050,1236,1090,1277,1341,1368,1340,
+  1367,1342,1369,1339,1366,   0,1320,1347,1418,1419,1323,1350,   0,   0, 992,1177,
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+  1031,1217,1321,1348,1322,1349,1338,1365, 950,1135, 951,1136, 979,1164, 980,1165,
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+     0,   0,   0,1682,   0,1683,   0,   0,1684,1685,   0,1686,   0,   0,   0,   0,
+     0,   0,   0,   0,   0,   0,   0,   0, 953,1138, 955,1140, 956,1141, 957,1142,
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+   984,1169, 985,1170,1420,1421, 986,1171, 989,1174, 995,1180, 998,1183, 996,1181,
+   999,1184,1000,1185,1015,1200,1329,1356,1017,1203,1019,1205,1021,1207,1024,1210,
+  1687,1688,1027,1213,1026,1212,1028,1214,1029,1215,1030,1216,1034,1220,1036,1222,
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+  1059,1245,1063,1249,1689,1690,1065,1251,1068,1254,1070,1256,1386,1387,1388,1389,
+  1691,1692,1073,1259,1075,1262,1079,1266,1078,1265,1095,1282,1098,1285,1097,1284,
+  1390,1391,1392,1393,1099,1286,1100,1287,1101,1288,1102,1289,1105,1292,1104,1291,
+  1106,1294,1107,1295,1108,1296,1114,1302,1119,1308,1122,1311,1123,1312,1186,1260,
+  1293,1305,   0,1394,   0,   0,   0,   0, 952,1137, 947,1132,1317,1344,1316,1343,
+  1319,1346,1318,1345,1693,1695,1371,1375,1370,1374,1373,1377,1372,1376,1694,1696,
+   981,1166, 977,1162, 972,1157,1326,1353,1325,1352,1328,1355,1327,1354,1697,1698,
+  1009,1194,1013,1198,1054,1240,1048,1234,1331,1358,1330,1357,1333,1360,1332,1359,
+  1699,1700,1396,1401,1395,1400,1398,1403,1397,1402,1399,1404,1094,1281,1087,1274,
+  1406,1411,1405,1410,1408,1413,1407,1412,1409,1414,1109,1297,1117,1306,1116,1304,
+  1112,1300,   0,   0,   0,   0,   0,   0,1471,1472,1701,1705,1702,1706,1703,1707,
+  1430,1431,1715,1719,1716,1720,1717,1721,1477,1478,1729,1731,1730,1732,   0,   0,
+  1435,1436,1733,1735,1734,1736,   0,   0,1481,1482,1737,1741,1738,1742,1739,1743,
+  1439,1440,1751,1755,1752,1756,1753,1757,1490,1491,1765,1768,1766,1769,1767,1770,
+  1447,1448,1771,1774,1772,1775,1773,1776,1495,1496,1777,1779,1778,1780,   0,   0,
+  1451,1452,1781,1783,1782,1784,   0,   0,1504,1505,1785,1788,1786,1789,1787,1790,
+     0,1459,   0,1791,   0,1792,   0,1793,1509,1510,1794,1798,1795,1799,1796,1800,
+  1462,1463,1808,1812,1809,1813,1810,1814,1467,  21,1475,  22,1479,  23,1485,  24,
+  1493,  27,1499,  28,1507,  29,   0,   0,1704,1708,1709,1710,1711,1712,1713,1714,
+  1718,1722,1723,1724,1725,1726,1727,1728,1740,1744,1745,1746,1747,1748,1749,1750,
+  1754,1758,1759,1760,1761,1762,1763,1764,1797,1801,1802,1803,1804,1805,1806,1807,
+  1811,1815,1816,1817,1818,1819,1820,1821,1470,1469,1822,1474,1465,   0,1473,1825,
+  1429,1428,1426,  12,1432,   0,  26,   0,   0,1315,1823,1484,1466,   0,1483,1829,
+  1433,  13,1437,  14,1441,1826,1827,1828,1488,1487,1513,  19,   0,   0,1492,1515,
+  1445,1444,1442,  15,   0,1831,1832,1833,1502,1501,1516,  25,1497,1498,1506,1518,
+  1457,1456,1454,  17,1453,1313,  11,   3,   0,   0,1824,1512,1519,   0,1511,1830,
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+   395, 398, 438, 451, 502, 516, 537, 583, 791, 136, 340, 769, 122, 273, 446, 727,
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+   593, 595, 598, 607, 620, 625, 625, 651, 690, 695, 705, 706, 716, 717, 733, 735,
+   777, 786, 790, 315, 869, 623,   0,   0, 102, 145, 134, 115, 129, 138, 165, 171,
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+   456, 454, 458, 465, 477, 535, 485, 490, 493, 507, 512, 514, 521, 522, 525, 526,
+   528, 533, 532, 541, 565, 569, 574, 586, 591, 597, 607, 637, 647, 674, 691, 693,
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-  1119,1308,1122,1311,1123,1312,1186,1260,1293,1305,   0,1394,   0,   0,   0,   0,
-   952,1137, 947,1132,1317,1344,1316,1343,1319,1346,1318,1345,1693,1695,1371,1375,
-  1370,1374,1373,1377,1372,1376,1694,1696, 981,1166, 977,1162, 972,1157,1326,1353,
-  1325,1352,1328,1355,1327,1354,1697,1698,1009,1194,1013,1198,1054,1240,1048,1234,
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-  1397,1402,1399,1404,1094,1281,1087,1274,1406,1411,1405,1410,1408,1413,1407,1412,
-  1409,1414,1109,1297,1117,1306,1116,1304,1112,1300,   0,   0,   0,   0,   0,   0,
-  1471,1472,1701,1705,1702,1706,1703,1707,1430,1431,1715,1719,1716,1720,1717,1721,
-  1477,1478,1729,1731,1730,1732,   0,   0,1435,1436,1733,1735,1734,1736,   0,   0,
-  1481,1482,1737,1741,1738,1742,1739,1743,1439,1440,1751,1755,1752,1756,1753,1757,
-  1490,1491,1765,1768,1766,1769,1767,1770,1447,1448,1771,1774,1772,1775,1773,1776,
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-  1504,1505,1785,1788,1786,1789,1787,1790,   0,1459,   0,1791,   0,1792,   0,1793,
-  1509,1510,1794,1798,1795,1799,1796,1800,1462,1463,1808,1812,1809,1813,1810,1814,
-  1467,  21,1475,  22,1479,  23,1485,  24,1493,  27,1499,  28,1507,  29,   0,   0,
-  1704,1708,1709,1710,1711,1712,1713,1714,1718,1722,1723,1724,1725,1726,1727,1728,
-  1740,1744,1745,1746,1747,1748,1749,1750,1754,1758,1759,1760,1761,1762,1763,1764,
-  1797,1801,1802,1803,1804,1805,1806,1807,1811,1815,1816,1817,1818,1819,1820,1821,
-  1470,1469,1822,1474,1465,   0,1473,1825,1429,1428,1426,  12,1432,   0,  26,   0,
-     0,1315,1823,1484,1466,   0,1483,1829,1433,  13,1437,  14,1441,1826,1827,1828,
-  1488,1487,1513,  19,   0,   0,1492,1515,1445,1444,1442,  15,   0,1831,1832,1833,
-  1502,1501,1516,  25,1497,1498,1506,1518,1457,1456,1454,  17,1453,1313,  11,   3,
-     0,   0,1824,1512,1519,   0,1511,1830,1449,  16,1460,  18,1464,   4,   0,   0,
-    30,  31,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,  20,   0,   0,   0,   2,   6,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1834,1835,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1836,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1837,1839,1838,
-     0,   0,   0,   0,1840,   0,   0,   0,   0,1841,   0,   0,1842,   0,   0,   0,
-     0,   0,   0,   0,1843,   0,1844,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,1845,   0,   0,1846,   0,   0,1847,   0,1848,   0,   0,   0,   0,   0,   0,
-   937,   0,1850,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1849, 936, 938,
-  1851,1852,   0,   0,1853,1854,   0,   0,1855,1856,   0,   0,   0,   0,   0,   0,
-  1857,1858,   0,   0,1861,1862,   0,   0,1863,1864,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1867,1868,1869,1870,
-  1859,1860,1865,1866,   0,   0,   0,   0,   0,   0,1871,1872,1873,1874,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,  32,  33,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1875,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1877,   0,1878,   0,
-  1879,   0,1880,   0,1881,   0,1882,   0,1883,   0,1884,   0,1885,   0,1886,   0,
-  1887,   0,1888,   0,   0,1889,   0,1890,   0,1891,   0,   0,   0,   0,   0,   0,
-  1892,1893,   0,1894,1895,   0,1896,1897,   0,1898,1899,   0,1900,1901,   0,   0,
-     0,   0,   0,   0,1876,   0,   0,   0,   0,   0,   0,   0,   0,   0,1902,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1904,   0,1905,   0,
-  1906,   0,1907,   0,1908,   0,1909,   0,1910,   0,1911,   0,1912,   0,1913,   0,
-  1914,   0,1915,   0,   0,1916,   0,1917,   0,1918,   0,   0,   0,   0,   0,   0,
-  1919,1920,   0,1921,1922,   0,1923,1924,   0,1925,1926,   0,1927,1928,   0,   0,
-     0,   0,   0,   0,1903,   0,   0,1929,1930,1931,1932,   0,   0,   0,1933,   0,
-   710, 385, 724, 715, 455, 103, 186, 825, 825, 242, 751, 205, 241, 336, 524, 601,
-   663, 676, 688, 738, 411, 434, 474, 500, 649, 746, 799, 108, 180, 416, 482, 662,
-   810, 275, 462, 658, 692, 344, 618, 679, 293, 388, 440, 492, 740, 116, 146, 168,
-   368, 414, 481, 527, 606, 660, 665, 722, 781, 803, 809, 538, 553, 588, 642, 758,
-   811, 701, 233, 299, 573, 612, 487, 540, 714, 779, 232, 267, 412, 445, 457, 585,
-   594, 766, 167, 613, 149, 148, 560, 589, 648, 768, 708, 345, 411, 704, 105, 259,
-   313, 496, 518, 174, 542, 120, 307, 101, 430, 372, 584, 183, 228, 529, 650, 697,
-   424, 732, 428, 349, 632, 355, 517, 110, 135, 147, 403, 580, 624, 700, 750, 170,
-   193, 245, 297, 374, 463, 543, 763, 801, 812, 815, 162, 384, 420, 730, 287, 330,
-   337, 366, 459, 476, 509, 558, 591, 610, 726, 652, 734, 759, 154, 163, 198, 473,
-   683, 697, 292, 311, 353, 423, 572, 494, 113, 217, 259, 280, 314, 499, 506, 603,
-   608, 752, 778, 782, 788, 117, 557, 748, 774, 320, 109, 126, 260, 265, 373, 411,
-   479, 523, 655, 737, 823, 380, 765, 161, 395, 398, 438, 451, 502, 516, 537, 583,
-   791, 136, 340, 769, 122, 273, 446, 727, 305, 322, 400, 496, 771, 155, 190, 269,
-   377, 391, 406, 432, 501, 519, 599, 684, 687, 749, 776, 175, 452, 191, 480, 510,
-   659, 772, 805, 813, 397, 444, 619, 566, 568, 575, 491, 471, 707, 111, 636, 156,
-   153, 288, 346, 578, 256, 435, 383, 729, 680, 767, 694, 295, 128, 210,   0,   0,
-   227,   0, 379,   0,   0, 150, 493, 525, 544, 551, 552, 556, 783, 576, 604,   0,
-   661,   0, 703,   0,   0, 735, 743,   0,   0,   0, 793, 794, 795, 808, 741, 773,
-   118, 127, 130, 166, 169, 177, 207, 213, 215, 226, 229, 268, 270, 317, 327, 329,
-   335, 369, 375, 381, 404, 441, 448, 458, 477, 484, 503, 539, 545, 547, 546, 548,
-   549, 550, 554, 555, 561, 564, 569, 591, 593, 595, 598, 607, 620, 625, 625, 651,
-   690, 695, 705, 706, 716, 717, 733, 735, 777, 786, 790, 315, 869, 623,   0,   0,
-   102, 145, 134, 115, 129, 138, 165, 171, 207, 202, 206, 212, 227, 231, 240, 243,
-   250, 254, 294, 296, 303, 308, 319, 325, 321, 329, 326, 335, 341, 357, 360, 362,
-   370, 379, 388, 389, 393, 421, 424, 438, 456, 454, 458, 465, 477, 535, 485, 490,
-   493, 507, 512, 514, 521, 522, 525, 526, 528, 533, 532, 541, 565, 569, 574, 586,
-   591, 597, 607, 637, 647, 674, 691, 693, 695, 698, 703, 699, 705, 704, 702, 706,
-   709, 717, 728, 736, 747, 754, 770, 777, 783, 784, 786, 787, 790, 802, 825, 848,
-   847, 857,  55,  65,  66, 883, 892, 916, 822, 824,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1586,   0,1605,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1602,1603,1934,1935,1574,1575,
-  1576,1577,1579,1580,1581,1583,1584,   0,1585,1587,1588,1589,1591,   0,1592,   0,
-  1593,1594,   0,1595,1596,   0,1598,1599,1600,1601,1604,1582,1578,1590,1597,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1936,   0,1937,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1938,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1939,1940,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1941,1942,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1944,1943,   0,1945,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1946,1947,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,1948,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1949,1950,
-  1951,1952,1953,1954,1955,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-     0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,1956,1957,1958,1960,1959,
-  1961,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-   106, 104, 107, 826, 114, 118, 119, 121, 123, 124, 127, 125,  34, 830, 130, 131,
-   132, 137, 827,  35, 133, 139, 829, 142, 143, 112, 144, 145, 924, 151, 152,  37,
-   157, 158, 159, 160,  38, 165, 166, 169, 171, 172, 173, 174, 176, 177, 178, 179,
-   181, 182, 182, 182, 833, 468, 184, 185, 834, 187, 188, 189, 196, 192, 194, 195,
-   197, 199, 200, 201, 203, 204, 204, 206, 208, 209, 211, 218, 213, 219, 214, 216,
-   153, 234, 221, 222, 223, 220, 225, 224, 230, 835, 235, 236, 237, 238, 239, 244,
-   836, 837, 247, 248, 249, 246, 251,  39,  40, 253, 255, 255, 838, 257, 258, 259,
-   261, 839, 262, 263, 301, 264,  41, 266, 270, 272, 271, 841, 274, 842, 277, 276,
-   278, 281, 282,  42, 283, 284, 285, 286,  43, 843,  44, 289, 290, 291, 293, 934,
-   298, 845, 845, 621, 300, 300,  45, 852, 894, 302, 304,  46, 306, 309, 310, 312,
-   316,  48,  47, 317, 846, 318, 323, 324, 325, 324, 328, 329, 333, 331, 332, 334,
-   335, 336, 338, 339, 342, 343, 347, 351, 849, 350, 348, 352, 354, 359, 850, 361,
-   358, 356,  49, 363, 365, 367, 364,  50, 369, 371, 851, 376, 386, 378,  53, 381,
-    52,  51, 140, 141, 387, 382, 614,  78, 388, 389, 390, 394, 392, 856,  54, 399,
-   396, 402, 404, 858, 405, 401, 407,  55, 408, 409, 410, 413, 859, 415,  56, 417,
-   860, 418,  57, 419, 422, 424, 425, 861, 840, 862, 426, 863, 429, 431, 427, 433,
-   437, 441, 438, 439, 442, 443, 864, 436, 449, 450,  58, 454, 453, 865, 447, 460,
-   866, 867, 461, 466, 465, 464,  59, 467, 470, 469, 472, 828, 475, 868, 478, 870,
-   483, 485, 486, 871, 488, 489, 872, 873, 495, 497,  60, 498,  61,  61, 504, 505,
-   507, 508, 511,  62, 513, 874, 515, 875, 518, 844, 520, 876, 877, 878,  63,  64,
-   528, 880, 879, 881, 882, 530, 531, 531, 533,  66, 534,  67,  68, 884, 536, 538,
-   541,  69, 885, 549, 886, 887, 556, 559,  70, 561, 562, 563, 888, 889, 889, 567,
-    71, 890, 570, 571,  72, 891, 577,  73, 581, 579, 582, 893, 587,  74, 590, 592,
-   596,  75, 895, 896,  76, 897, 600, 898, 602, 605, 607, 899, 900, 609, 901, 611,
-   853,  77, 615, 616,  79, 617, 252, 902, 903, 854, 855, 621, 622, 731,  80, 627,
-   626, 628, 164, 629, 630, 631, 633, 904, 632, 634, 639, 640, 635, 641, 646, 651,
-   638, 643, 644, 645, 905, 907, 906,  81, 653, 654, 656, 911, 657, 908,  82,  83,
-   909, 910,  84, 664, 665, 666, 667, 669, 668, 671, 670, 674, 672, 673, 675,  85,
-   677, 678,  86, 681, 682, 912, 685, 686,  87, 689,  36, 913, 914,  88,  89, 696,
-   702, 709, 711, 915, 712, 713, 718, 719, 917, 831, 721, 720, 723, 832, 725, 728,
-   918, 919, 739, 742, 744, 920, 745, 753, 756, 757, 755, 760, 761, 921, 762,  90,
-   764, 922,  91, 775, 279, 780, 923, 925,  92,  93, 785, 926,  94, 927, 787, 787,
-   789, 928, 792,  95, 796, 797, 798, 800,  96, 929, 802, 804, 806,  97,  98, 807,
-   930,  99, 931, 932, 933, 814, 100, 816, 817, 818, 819, 820, 821, 935,   0,   0,
+     0,   0,   0,1956,1957,1958,1960,1959,1961,   0,   0,   0,   0,   0,   0,   0,
+     0,   0,   0,   0,   0,   0,   0,   0, 106, 104, 107, 826, 114, 118, 119, 121,
+   123, 124, 127, 125,  34, 830, 130, 131, 132, 137, 827,  35, 133, 139, 829, 142,
+   143, 112, 144, 145, 924, 151, 152,  37, 157, 158, 159, 160,  38, 165, 166, 169,
+   171, 172, 173, 174, 176, 177, 178, 179, 181, 182, 182, 182, 833, 468, 184, 185,
+   834, 187, 188, 189, 196, 192, 194, 195, 197, 199, 200, 201, 203, 204, 204, 206,
+   208, 209, 211, 218, 213, 219, 214, 216, 153, 234, 221, 222, 223, 220, 225, 224,
+   230, 835, 235, 236, 237, 238, 239, 244, 836, 837, 247, 248, 249, 246, 251,  39,
+    40, 253, 255, 255, 838, 257, 258, 259, 261, 839, 262, 263, 301, 264,  41, 266,
+   270, 272, 271, 841, 274, 842, 277, 276, 278, 281, 282,  42, 283, 284, 285, 286,
+    43, 843,  44, 289, 290, 291, 293, 934, 298, 845, 845, 621, 300, 300,  45, 852,
+   894, 302, 304,  46, 306, 309, 310, 312, 316,  48,  47, 317, 846, 318, 323, 324,
+   325, 324, 328, 329, 333, 331, 332, 334, 335, 336, 338, 339, 342, 343, 347, 351,
+   849, 350, 348, 352, 354, 359, 850, 361, 358, 356,  49, 363, 365, 367, 364,  50,
+   369, 371, 851, 376, 386, 378,  53, 381,  52,  51, 140, 141, 387, 382, 614,  78,
+   388, 389, 390, 394, 392, 856,  54, 399, 396, 402, 404, 858, 405, 401, 407,  55,
+   408, 409, 410, 413, 859, 415,  56, 417, 860, 418,  57, 419, 422, 424, 425, 861,
+   840, 862, 426, 863, 429, 431, 427, 433, 437, 441, 438, 439, 442, 443, 864, 436,
+   449, 450,  58, 454, 453, 865, 447, 460, 866, 867, 461, 466, 465, 464,  59, 467,
+   470, 469, 472, 828, 475, 868, 478, 870, 483, 485, 486, 871, 488, 489, 872, 873,
+   495, 497,  60, 498,  61,  61, 504, 505, 507, 508, 511,  62, 513, 874, 515, 875,
+   518, 844, 520, 876, 877, 878,  63,  64, 528, 880, 879, 881, 882, 530, 531, 531,
+   533,  66, 534,  67,  68, 884, 536, 538, 541,  69, 885, 549, 886, 887, 556, 559,
+    70, 561, 562, 563, 888, 889, 889, 567,  71, 890, 570, 571,  72, 891, 577,  73,
+   581, 579, 582, 893, 587,  74, 590, 592, 596,  75, 895, 896,  76, 897, 600, 898,
+   602, 605, 607, 899, 900, 609, 901, 611, 853,  77, 615, 616,  79, 617, 252, 902,
+   903, 854, 855, 621, 622, 731,  80, 627, 626, 628, 164, 629, 630, 631, 633, 904,
+   632, 634, 639, 640, 635, 641, 646, 651, 638, 643, 644, 645, 905, 907, 906,  81,
+   653, 654, 656, 911, 657, 908,  82,  83, 909, 910,  84, 664, 665, 666, 667, 669,
+   668, 671, 670, 674, 672, 673, 675,  85, 677, 678,  86, 681, 682, 912, 685, 686,
+    87, 689,  36, 913, 914,  88,  89, 696, 702, 709, 711, 915, 712, 713, 718, 719,
+   917, 831, 721, 720, 723, 832, 725, 728, 918, 919, 739, 742, 744, 920, 745, 753,
+   756, 757, 755, 760, 761, 921, 762,  90, 764, 922,  91, 775, 279, 780, 923, 925,
+    92,  93, 785, 926,  94, 927, 787, 787, 789, 928, 792,  95, 796, 797, 798, 800,
+    96, 929, 802, 804, 806,  97,  98, 807, 930,  99, 931, 932, 933, 814, 100, 816,
+   817, 818, 819, 820, 821, 935,   0,   0,
 };
 static const int16_t
-_hb_ucd_i16[196] =
+_hb_ucd_i16[92] =
 {
-      0,    0,    0,    0,    1,   -1,    0,    0,    2,    0,   -2,    0,    0,    0,    0,    2,
-      0,   -2,    0,    0,    0,    0,    0,   16,    0,    0,    0,  -16,    0,    0,    1,   -1,
-      0,    0,    0,    1,   -1,    0,    0,    0,    0,    1,   -1,    0,    3,    3,    3,   -3,
-     -3,   -3,    0,    0,    0, 2016,    0,    0,    0,    0,    0, 2527, 1923, 1914, 1918,    0,
-   2250,    0,    0,    0,    0,    0,    0,  138,    0,    7,    0,    0,   -7,    0,    0,    0,
-      1,   -1,    1,   -1,   -1,    1,   -1,    0, 1824,    0,    0,    0,    0,    0, 2104,    0,
-   2108, 2106,    0, 2106, 1316,    0,    0,    0,    0,    1,   -1,    1,   -1, -138,    0,    0,
-      1,   -1,    8,    8,    8,    0,    7,    7,    0,    0,   -8,   -8,   -8,   -7,   -7,    0,
-      1,   -1,    0,    2,-1316,    1,   -1,    0,   -1,    1,   -1,    1,   -1,    3,    1,   -1,
-     -3,    1,   -1,    1,   -1,    0,    0,-1914,-1918,    0,    0,-1923,-1824,    0,    0,    0,
-      0,-2016,    0,    0,    1,   -1,    0,    1,    0,    0,-2104,    0,    0,    0,    0,-2106,
-  -2108,-2106,    0,    0,    1,   -1,-2250,    0,    0,    0,-2527,    0,    0,   -2,    0,    1,
-     -1,    0,    1,   -1,
+      0,    0,    1,   -1,    2,    0,   -2,    0,    0,    2,    0,   -2,    0,   16,    0,  -16,
+      0,    1,   -1,    0,    3,    3,    3,   -3,   -3,   -3,    0, 2016,    0, 2527, 1923, 1914,
+   1918,    0, 2250,    0,    0,  138,    0,    7,   -7,    0,   -1,    1, 1824,    0, 2104,    0,
+   2108, 2106,    0, 2106, 1316,    0,   -1, -138,    8,    8,    8,    0,    7,    7,   -8,   -8,
+     -8,   -7,-1316,    1,   -1,    3,   -3,    1,    0,-1914,-1918,    0,    0,-1923,-1824,    0,
+      0,-2016,-2104,    0,    0,-2106,-2108,-2106,-2250,    0,-2527,    0,
 };
 
 static inline uint_fast8_t
 _hb_ucd_gc (unsigned u)
 {
-  return u<1114110u?_hb_ucd_u8[6664+(((_hb_ucd_u8[1296+(((_hb_ucd_u16[((_hb_ucd_u8[544+(((_hb_ucd_u8[u>>1>>3>>3>>4])<<4)+((u>>1>>3>>3)&15u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:2;
+  return u<1114110u?_hb_ucd_u8[6800+(((_hb_ucd_u8[1312+(((_hb_ucd_u16[((_hb_ucd_u8[544+(((_hb_ucd_u8[u>>1>>3>>3>>4])<<4)+((u>>1>>3>>3)&15u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:2;
 }
 static inline uint_fast8_t
 _hb_ucd_ccc (unsigned u)
 {
-  return u<125259u?_hb_ucd_u8[8984+(((_hb_ucd_u8[7960+(((_hb_ucd_u8[7288+(((_hb_ucd_u8[7042+(u>>2>>3>>4)])<<4)+((u>>2>>3)&15u))])<<3)+((u>>2)&7u))])<<2)+((u)&3u))]:0;
+  return u<125259u?_hb_ucd_u8[8792+(((_hb_ucd_u8[8236+(((_hb_ucd_u8[7776+(((_hb_ucd_u8[7424+(((_hb_ucd_u8[7178+(u>>2>>2>>2>>3)])<<3)+((u>>2>>2>>2)&7u))])<<2)+((u>>2>>2)&3u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:0;
 }
 static inline unsigned
 _hb_ucd_b4 (const uint8_t* a, unsigned i)
@@ -5660,24 +4415,24 @@ _hb_ucd_b4 (const uint8_t* a, unsigned i)
 static inline int_fast16_t
 _hb_ucd_bmg (unsigned u)
 {
-  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[9728+(((_hb_ucd_u8[9608+(((_hb_ucd_b4(9480+_hb_ucd_u8,u>>2>>3>>3))<<3)+((u>>2>>3)&7u))])<<3)+((u>>2)&7u))])<<2)+((u)&3u)]:0;
+  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[9684+(((_hb_ucd_u8[9452+(((_hb_ucd_u8[9356+(((_hb_ucd_b4(9292+_hb_ucd_u8,u>>1>>2>>3>>3))<<3)+((u>>1>>2>>3)&7u))])<<3)+((u>>1>>2)&7u))])<<2)+((u>>1)&3u))])<<1)+((u)&1u)]:0;
 }
 static inline uint_fast8_t
 _hb_ucd_sc (unsigned u)
 {
-  return u<918000u?_hb_ucd_u8[11234+(((_hb_ucd_u16[2000+(((_hb_ucd_u8[10514+(((_hb_ucd_u8[10064+(u>>3>>4>>4)])<<4)+((u>>3>>4)&15u))])<<4)+((u>>3)&15u))])<<3)+((u)&7u))]:2;
+  return u<918000u?_hb_ucd_u8[11118+(((_hb_ucd_u16[4024+(((_hb_ucd_u16[2040+(((_hb_ucd_u8[10382+(((_hb_ucd_u8[9932+(u>>2>>2>>3>>4)])<<4)+((u>>2>>2>>3)&15u))])<<3)+((u>>2>>2)&7u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:2;
 }
 static inline uint_fast16_t
 _hb_ucd_dm (unsigned u)
 {
-  return u<195102u?_hb_ucd_u16[5888+(((_hb_ucd_u8[17136+(((_hb_ucd_u8[16754+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:0;
+  return u<195102u?_hb_ucd_u16[6728+(((_hb_ucd_u8[13944+(((_hb_ucd_u8[13562+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:0;
 }
 
 
 #else
 
 static const uint8_t
-_hb_ucd_u8[13602] =
+_hb_ucd_u8[13370] =
 {
     0,  1,  2,  3,  4,  5,  6,  7,  7,  8,  7,  7,  7,  7,  7,  7,
     7,  7,  7,  7,  9, 10,  7,  7,  7,  7,  7, 11, 12, 12, 12, 13,
@@ -5685,7 +4440,7 @@ _hb_ucd_u8[13602] =
     7, 24, 21, 21, 21, 25, 26, 27, 21, 28, 29, 30, 31, 32, 33, 34,
     7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
     7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7, 35, 21, 36,
-    7,  7, 37, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
+    7,  7,  7,  7, 35, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
@@ -5707,7 +4462,7 @@ _hb_ucd_u8[13602] =
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-   38, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
+   37, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
    12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
@@ -5730,28 +4485,27 @@ _hb_ucd_u8[13602] =
    34, 34,109,110,111,112,113,114,115,116,117,118, 34, 34, 34,119,
   120,121,122,123,124,125,126,127, 34,128,129,111,130,131,132,133,
   134,135,136,137,138,139,140,111,141,142,111,143,144,145,146,111,
-  147,148,149,150,151,152,111,111,153,154,155,156,111,157,111,158,
-   34, 34, 34, 34, 34, 34, 34, 34,159, 34, 34,111,111,111,111,111,
-  111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,160,
-   34, 34, 34, 34, 34, 34, 34, 34,161,111,111,111,111,111,111,111,
+  147,148,149,150,151,152,153,111,154,155,156,157,111,158,159,160,
+   34, 34, 34, 34, 34, 34, 34, 34,161, 34, 34,111,111,111,111,111,
+  111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,162,
+   34, 34, 34, 34, 34, 34, 34, 34,163,111,111,111,111,111,111,111,
   111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,
   111,111,111,111,111,111,111,111, 34, 34, 34, 34, 34,111,111,111,
-   34, 34, 34, 34,162,163,164, 34,111,111,111,111,165,166,167,168,
+   34, 34, 34, 34,164,165,166, 34,111,111,111,111,167,168,169,170,
    34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,111,111,111,111,111,
   111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,119,
    34, 34, 34, 34, 34, 34,111,111,111,111,111,111,111,111,111,111,
-  111,111,111,111,111,111,111,111, 34,169,111,111,111,111,111,111,
-  111,111,111,111,111,111,111,111,111,111,111,111,111,111,170, 67,
-   67, 67,171,172,173,130, 65,111,174,175,176,177,178,179,180,181,
-   67, 67, 67, 67,182,183,111,111,111,111,111,111,111,111,184,111,
-  185,111,186,111,111,187,111,111,111,111,111,111,111,111,111, 34,
-   34,188,189,111,111,111,111,111,130,190,191,111, 34,192,111,111,
-   67, 67,193, 67, 67,111, 67,194, 67, 67, 67, 67, 67, 67, 67, 67,
-   67, 67, 67, 67, 67, 67, 67,195,111,111,111,111,111,111,111,111,
+  111,111,111,111,111,111,111,111, 34,171,111,111,111,111,111,111,
+  111,111,111,111,111,111,111,111,111,111,111,111,111,111,172, 67,
+   67, 67,173,174,175,130, 65,111,176,177,178,179,180,181,182,183,
+   67, 67, 67, 67,184,185,111,111,111,111,111,111,111,111,186,111,
+  187,188,189,111,111,190,111,111,111,191,111,111,111,111,111, 34,
+   34,192,193,111,111,111,111,111,130,194,195,111, 34,196,111,111,
+   67, 67,197, 67, 67,111, 67,198, 67, 67, 67, 67, 67, 67, 67, 67,
+   67, 67, 67, 67, 67, 67, 67,199,111,111,111,111,111,111,111,111,
    34, 34, 34, 34, 34, 34, 34, 34,111,111,111,111,111,111,111,111,
    34, 34, 34, 34, 34,111,111,111,111,111,111,111,111,111,111,111,
-   34, 34, 34, 34, 34, 34, 34,111,111,111,111,111,111,111,111,111,
-  196,111,185,185,111,111,111,111,111,111,111,111,111,111,111,111,
+  200,111,188,188,111,111,111,111,111,111,111,111,111,111,111,111,
     0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  3,  2,  4,  5,  6,  2,
     7,  7,  7,  7,  7,  2,  8,  9, 10, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16,
@@ -5807,7 +4561,7 @@ _hb_ucd_u8[13602] =
    36, 36, 36, 36, 36, 36, 65, 43, 77, 78, 78, 43, 43, 43, 43, 43,
    43, 43, 43, 43, 36, 36, 36, 36,  7,  7,  7, 85, 27, 27, 27, 84,
    64, 78, 66, 36, 36, 36, 36, 36, 78, 78, 78, 77, 78, 78, 43, 43,
-   43, 43, 77, 78, 78, 78, 81, 36, 86, 36, 36, 36, 36, 36, 36, 36,
+   43, 43, 77, 78, 78, 78, 81, 36, 86, 82, 78, 78, 78, 78, 78, 78,
    43, 78, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 64, 65, 78,
    79, 43, 43, 78, 78, 78, 79, 71, 61, 61, 36, 82, 27, 27, 27, 87,
    27, 27, 27, 27, 84, 36, 36, 36, 36, 36, 36, 36, 36, 43, 43, 77,
@@ -5947,7 +4701,7 @@ _hb_ucd_u8[13602] =
    36, 64,  2, 36, 36, 36, 36, 36, 36, 82, 78, 43, 43, 43, 43, 77,
    81, 36, 58,  2, 56, 43, 57, 79,  7,  7,  7,  7,  7, 58, 58,  2,
    90, 27, 27, 27, 27, 27, 27, 27, 36, 36, 36, 36, 36, 36, 78, 79,
-   43, 78, 77, 43,  2,  2,  2, 43, 36, 36, 36, 36, 36, 36, 36, 64,
+   43, 78, 77, 43,  2,  2,  2, 65, 36, 36, 36, 36, 36, 36, 36, 64,
    77, 78, 78, 78, 78, 78, 78, 78, 36, 36, 36, 82, 78, 78, 81, 36,
    36, 78, 78, 43, 43, 43, 43, 43, 36, 36, 82, 78, 43, 43, 43, 43,
    78, 43, 77, 65, 36, 58,  2,  2,  7,  7,  7,  7,  7,  2,  2, 65,
@@ -5968,8 +4722,10 @@ _hb_ucd_u8[13602] =
    43, 43, 43, 43, 77, 43, 43, 43, 77, 43, 79, 43, 43, 43, 43, 43,
    43, 43, 43, 64, 43, 43, 43, 43, 36, 36, 36, 36, 36, 78, 78, 78,
    43, 77, 79, 79, 36, 36, 36, 36, 36, 64, 77, 97,  2,  2,  2,  2,
-   27, 27, 84, 61, 61, 61, 53, 20,150, 61, 61, 61, 61, 61, 61, 61,
-   61, 61, 61, 61, 61, 61, 61, 21, 43, 43, 57,  2,  2,  2,  2,  2,
+   43, 82, 36, 36, 36, 36, 36, 36, 36, 36, 78, 43, 43, 43, 43, 78,
+   77, 57,  2,  2,  2,  2,  2,  2, 27, 27, 84, 61, 61, 61, 53, 20,
+  150, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 21,
+   65, 36, 36, 64, 43, 43, 43, 43, 43, 43, 57,  2,  2,  2,  2,  2,
    43, 43, 43, 57,  2,  2, 61, 61, 40, 40, 89, 61, 61, 61, 61, 61,
     7,  7,  7,  7,  7,167, 27, 27, 27, 87, 36, 36, 36, 36, 36, 36,
    27, 27, 27, 30,  2,  2,  2,  2, 82, 78, 78, 78, 78, 78, 78, 78,
@@ -5992,485 +4748,469 @@ _hb_ucd_u8[13602] =
    16, 16, 16, 16, 16, 39, 16, 16, 43, 43, 43, 68, 40, 40, 40, 40,
     7,  7,  7,  7,  7,  7,  7, 71, 36, 36, 36, 36, 36, 36, 36, 43,
    36, 36, 36, 36, 36, 36, 43, 43,  7,  7,  7,  7,  7,  7,  7,170,
-   16, 16, 43, 43, 43, 68, 40, 40, 27, 27, 27, 27, 27, 27,145, 27,
-  171, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,145,
-   27, 27, 27, 27, 27, 27, 84, 61, 61, 61, 61, 61, 61, 25, 41, 41,
-    0,  0, 29, 21, 21, 21, 23, 21, 22, 18, 21, 25, 21, 17, 13, 13,
-   25, 25, 25, 21, 21,  9,  9,  9,  9, 22, 21, 18, 24, 16, 24,  5,
-    5,  5,  5, 22, 25, 18, 25,  0, 23, 23, 26, 21, 24, 26,  7, 20,
-   25,  1, 26, 24, 26, 25, 15, 15, 24, 15,  7, 19, 15, 21,  9, 25,
-    9,  5,  5, 25,  5,  9,  5,  7,  7,  7,  9,  8,  8,  5,  7,  5,
-    6,  6, 24, 24,  6, 24, 12, 12,  6,  5,  9, 21, 25,  9, 26, 12,
-   11, 11,  9,  6,  5, 21, 17, 17, 17, 26, 26, 23, 23, 12, 17, 12,
-   21, 12, 12, 21,  7, 21,  1,  1, 21, 23, 26, 26,  1, 21,  6,  7,
-    7, 12, 12,  7, 21,  7, 12,  1, 12,  6,  6, 12, 12, 26,  7, 26,
-   26,  7, 21,  1, 24,  7,  7,  6,  1, 12, 12, 10, 10, 10, 10, 12,
-   21,  6, 10,  7,  7, 10, 23,  7, 15, 26, 13, 21, 13,  7, 15,  7,
-   12, 23, 21, 26, 21, 15, 17,  7, 29,  7,  7, 22, 18, 18, 14, 14,
-   14,  7, 10, 21, 17, 21, 11, 12,  5,  6,  8,  8,  8, 24,  5, 24,
-    9, 24, 29, 29, 29,  1, 20, 19, 22, 20, 27, 28,  1, 29, 21, 20,
-   19, 21, 21, 16, 16, 21, 25, 22, 18, 21, 21, 29, 15,  6, 18,  6,
-   12, 11,  9, 26, 26,  9, 26,  5,  5, 26, 14,  9,  5, 14, 14, 15,
-   25, 26, 26, 22, 18, 26, 18, 25, 18, 22,  5, 12, 22, 21, 21, 22,
-   18, 17, 26,  6,  7, 14, 17, 22, 26, 14, 17,  6, 14,  6, 12, 24,
-   24,  6, 26, 15,  6, 21, 11, 21, 24,  9,  6,  9, 23, 26,  6, 10,
-    4,  4,  3,  3,  7, 25, 17, 16, 16, 22, 16, 16, 25, 17,  7,  1,
-   25, 24, 26,  1,  2,  2, 12, 15, 21, 14,  7, 15, 12, 17, 13, 15,
-   26, 10, 10,  1, 13, 23, 23, 15,  0,  1,  2,  3,  4,  5,  6,  7,
-    8,  9,  0, 10, 11, 12, 13,  0, 14,  0,  0,  0,  0,  0, 15,  0,
-   16,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 17, 18, 19,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 20,  0, 21, 22, 23,  0,  0,  0, 24, 25, 26,
-   27, 28, 29, 30, 31, 32, 33,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 34,  0, 35,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 36,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-   37, 38,  0,  0,  0,  0,  0,  0, 39, 40,  0,  0, 41,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  0,  0,  0,  0,
-    3,  0,  0,  0,  4,  5,  6,  7,  0,  8,  9, 10,  0, 11, 12, 13,
-   14, 15, 16, 17, 16, 18, 16, 19, 16, 19, 16, 19,  0, 19, 16, 20,
-   16, 19, 21, 19,  0, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,  0,
-   32,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 33,  0,  0,  0,  0,
-    0,  0, 34,  0,  0, 35,  0,  0, 36,  0, 37,  0,  0,  0, 38, 39,
-   40, 41, 42, 43, 44, 45, 46,  0,  0, 47,  0,  0,  0, 48,  0,  0,
-    0, 49,  0,  0,  0,  0,  0,  0,  0, 50,  0, 51,  0, 52, 53,  0,
-   54,  0,  0,  0,  0,  0,  0, 55, 56, 57,  0,  0,  0,  0, 58,  0,
-    0, 59, 60, 61, 62, 63,  0,  0, 64, 65,  0,  0,  0, 66,  0,  0,
-    0,  0, 67,  0,  0,  0, 68,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 69,  0,  0,  0, 70,  0, 71,  0,  0, 72,  0,
-    0, 73,  0,  0,  0,  0,  0,  0,  0,  0, 74,  0,  0,  0,  0,  0,
-   75,  0,  0, 76, 77,  0,  0, 78, 79,  0, 80, 62,  0, 81, 82,  0,
-    0, 83, 84, 85,  0,  0,  0, 86,  0, 87,  0,  0, 51, 88, 51,  0,
-   89,  0, 90,  0,  0,  0, 79,  0,  0,  0, 91, 92,  0, 93, 94, 95,
-   96,  0,  0,  0,  0,  0, 51,  0,  0,  0,  0, 97, 98,  0,  0,  0,
-    0, 99,100,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,101,  0,  0,
-  102,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,103,104,  0,  0,105,
-    0,  0,  0,  0,  0,  0,106,  0,  0,  0,100,  0,  0,  0,  0,  0,
-  107,108,  0,  0,  0,  0,  0,  0,  0,109,  0,110,  0,  0,  0,  0,
-    0,  0,  1,  2,  3,  4,  5,  6,  7,  0,  8,  0,  0,  0,  0,  9,
-   10, 11, 12,  0,  0,  0,  0, 13,  0,  0, 14, 15,  0, 16,  0, 17,
-   18,  0,  0, 19,  0, 20, 21,  0,  0,  0,  0,  0, 22, 23,  0, 24,
-   25,  0,  0, 26,  0,  0,  0, 27,  0,  0, 28, 29, 30, 31,  0,  0,
-    0, 32, 33, 34,  0,  0, 33,  0,  0, 35, 33,  0,  0,  0, 33, 36,
-    0,  0,  0,  0,  0, 37, 38,  0,  0,  0,  0,  0,  0, 39, 40,  0,
-    0,  0,  0,  0,  0, 41, 42,  0,  0,  0,  0, 43,  0, 44,  0,  0,
-    0, 45, 46,  0,  0,  0, 47,  0,  0,  0,  0,  0,  0, 48, 49,  0,
-    0,  0,  0, 50,  0,  0,  0, 51,  0, 52,  0, 53,  0,  0,  0,  0,
-   54,  0,  0,  0,  0, 55,  0, 56,  0,  0,  0,  0, 57, 58,  0,  0,
-    0, 59, 60,  0,  0,  0,  0,  0,  0, 61, 52,  0, 62, 63,  0,  0,
-   64,  0,  0,  0, 65, 66,  0,  0,  0, 67,  0, 68, 69, 70, 71, 72,
-    1, 73,  0, 74, 75, 76,  0,  0, 77, 78,  0,  0,  0, 79,  0,  0,
-    1,  1,  0,  0, 80,  0,  0, 81,  0,  0,  0,  0, 77, 82,  0, 83,
-    0,  0,  0,  0,  0, 78, 84,  0, 85,  0, 52,  0,  1, 78,  0,  0,
-   86,  0,  0, 87,  0,  0,  0,  0,  0, 88, 57,  0,  0,  0,  0,  0,
-    0, 89, 90,  0,  0, 84,  0,  0, 33,  0,  0, 91,  0,  0,  0,  0,
-   92,  0,  0,  0,  0, 49,  0,  0, 93,  0,  0,  0,  0, 94, 95,  0,
-    0, 96,  0,  0, 97,  0,  0,  0, 98,  0,  0,  0, 99,  0,100, 93,
-    0,  0,101,  0,  0,  0, 84,  0,  0,102,  0,  0,  0,103,104,  0,
-    0,105,106,  0,  0,  0,  0,  0,  0,107,  0,  0,108,  0,  0,  0,
-    0,109, 33,  0,110,111,112, 35,  0,  0,113,  0,  0,  0,114,  0,
-    0,  0,  0,  0,  0,115,  0,  0,116,  0,  0,  0,  0,117, 88,  0,
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-   28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 26, 21, 21, 21, 21, 21,
-   21, 21, 31, 21, 32, 32, 32, 32, 32, 33, 34, 32, 35, 35, 35, 35,
-   35, 35, 35, 35, 36, 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37,
-   37, 37, 37, 37, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39,
-   39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41,
-   41, 41, 41, 41, 42, 42, 42, 42, 42, 42, 42, 42, 43, 43, 43, 43,
-   43, 43, 43, 43, 44, 44, 44, 45, 44, 44, 44, 44, 46, 46, 46, 46,
-   46, 46, 46, 46, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
-   47, 48, 47, 47, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 50, 50,
-   50, 50, 50, 51, 52, 52, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53,
-   53, 53, 53, 53, 53, 53, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55,
-   55, 55, 55, 55, 56, 56, 57, 57, 57, 57, 58, 57, 59, 59, 60, 61,
-   62, 62, 63, 63, 64, 64, 64, 64, 64, 64, 64, 64, 65, 66, 66, 66,
-   66, 66, 66, 66, 66, 66, 66, 55, 55, 55, 55, 55, 67, 67, 67, 67,
+   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+   17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
+   17, 17, 18,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11,
+   12, 13, 14, 15, 16, 17, 17, 17, 18, 17, 19, 20, 21, 22, 23, 23,
+   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 23, 23, 23, 23, 23,
+   23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+   23, 23, 23, 23, 25, 25, 26, 27, 28, 29, 30, 30, 30, 30, 30, 30,
+   30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+   31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
+   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+   48, 49, 50, 51, 52, 52, 53, 31, 31, 31, 31, 54, 55, 55, 56, 31,
+   31, 31, 31, 31, 31, 31, 57, 58, 31, 31, 31, 31, 31, 31, 31, 31,
+   31, 31, 31, 31, 31, 31, 31, 31, 59, 60, 31, 61, 62, 62, 62, 62,
+   62, 62, 62, 62, 62, 62, 62, 62, 62, 63, 64, 31, 31, 31, 31, 31,
+   31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 65, 66, 67, 31, 31,
+   31, 31, 68, 31, 31, 31, 31, 31, 31, 31, 31, 69, 70, 71, 17, 17,
+   72, 73, 31, 74, 75, 76, 77, 78, 79, 31, 80, 81, 17, 82, 17, 17,
+   17, 17, 31, 31, 23, 23, 23, 23, 23, 23, 31, 31, 31, 31, 31, 31,
+   23, 83, 31, 31, 23, 23, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
+   31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
+   31, 31, 31, 31, 84,  0,  0,  1,  0,  1,  2,  3,  0,  1,  2,  3,
+    4,  5,  6,  7,  0,  1,  2,  3,  4,  4,  4,  4,  4,  4,  5,  6,
+    7,  8,  9, 10, 11, 11, 12, 11, 13, 14, 15, 16, 17, 18, 19, 20,
+   21, 22, 23, 24, 25, 26, 19, 27, 28, 29, 30, 30, 31, 31, 32, 32,
+   33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 40, 41, 41,
+   42, 42, 42, 43, 44, 44, 45, 46, 47, 47, 47, 47, 48, 48, 48, 48,
+   48, 48, 49, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 52, 53,
+   54, 55, 56, 56, 57, 58, 59, 51, 60, 61, 62, 63, 64, 65, 66,  7,
+   67, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,  7,  4,  4,  4,  4,
+   77, 77, 77, 77, 78, 79, 80, 81, 82, 83, 84,  0,  0,  0,  0,  0,
+    0,  0,  0,  0, 85, 85, 85, 85,  0,  0,  0,  0, 86, 87, 88, 88,
+   89, 90, 48, 91,  0,  0, 92, 92, 92, 92, 92, 93, 94, 95, 96, 97,
+   98, 47, 99,100,101,102,  0,103,104,105,  0,  0, 92, 92, 92, 92,
+   92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,  0,106,106,106,106,
+  106,106,106,106,106,106,106,107,108,108,108,108,108, 11,109,110,
+  111,  4,112,  4,113,114,115,116,117,118,119,120,121,122,123,124,
+  125,126, 50,127, 47, 47, 47, 47, 47, 47, 47, 47,128,128,128,128,
+  128,128,128,128,128,128,128,128, 92, 92, 92, 92, 92, 92, 92, 92,
+  129,130, 19, 19, 19, 19, 19, 19,131, 19, 19, 19,132,133, 19,134,
+  135,136,137,101,138,138,138,138,  0, 77,139,140,128,128,141,142,
+  143,144,145,146,147,148,149,150,151,152,153,153,154,154,154,154,
+  154,154,  4,  4,155,156,157,158,159,160,161,162,163,164,165,166,
+  167,168,169,169,170,170,171,171,172,172,128,128, 19, 19,173,174,
+  175,176,177,178,179,179,180,181,182,183,184,185,186,186,187,188,
+  189,190,128,128,191,191,192,192,128,128,193,193,194,195,196,196,
+  197,197,128,128,198,198,199,199,200,200,201,201,202,203,204,205,
+   28, 28,128,128,206,207,208,208,209,210,211,211,128,128,212,212,
+  213,213,214, 34,215,215,215,215,215,215,215,215,215,215,215,215,
+  215,215,128,128,128,128,128,128,128,128,216,216,217,217,217,217,
+  217,217,217,217,217,217,128,128,128,128,128,128,218,218,218,218,
+  218,218,218,218,218,218,128,128,128,128,128,128,110,110,110,110,
+  110,110,110,110,110,219,220,221,222,222,222,222,223,223,223,223,
+  224,224,224,225,226,226,226,226,226,226,226,226,226,226,226,226,
+  227,227,227,227,227,227,227,227,226,226,128,128,128,128,128,128,
+  128,128,104,104,228,229,229,229,230,231,232,232,232,232,232,232,
+  128,128,128,128,233,233,234,  0,128,128,128,128,128,128,128,128,
+    7,235,  0,  0,  0,  0,  0,  0,  0,236,237,  0, 77, 77,  0,  0,
+    0,  0,128,128,238,238,238,238,238,238,238,238,238,238,238,238,
+  128,128,128,128,128,128,128,128,  4,  4,128,128,239, 11, 11, 11,
+  240,240,128,128,128,128,241,242,128,128,128,128,128,128,243,243,
+  128,128,128,128,128,128,128,128,128,128, 48, 48,244,244,244,244,
+  245,245,128,128,  0,  0,  0,  0,  0,  0,128,128, 19, 19, 19, 19,
+  128,128,128,128,246,  0,128,128,  0,  0,  0,  0, 92, 92,128,128,
+  128,128,128,128,  0,  0,128,128,  7,  7,  7,  7,  0,  0,  0,  0,
+    1,  2,  1,  2,  0,  0,  3,  3,  4,  5,  4,  5,  4,  4,  4,  4,
+    4,  4,  4,  6,  0,  0,  7,  0,  8,  8,  8,  8,  8,  8,  8,  9,
+   10, 11, 11, 11, 11, 11, 12, 11, 13, 13, 13, 13, 14, 13, 13, 13,
+   13, 13, 13, 15, 16, 16, 16, 16, 16, 17, 18, 18, 18, 18, 18, 18,
+   19, 20, 21, 21, 22, 23, 21, 24, 21, 21, 21, 21, 21, 25, 21, 21,
+   26, 26, 26, 26, 26, 21, 21, 21, 27, 27, 27, 27, 28, 28, 28, 28,
+   29, 29, 29, 29, 30, 30, 26, 21, 21, 21, 31, 21, 32, 32, 32, 32,
+   32, 33, 34, 32, 35, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 37,
+   38, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 40, 41, 41, 41, 41,
+   42, 42, 42, 42, 43, 43, 43, 43, 44, 44, 44, 45, 44, 44, 44, 44,
+   46, 46, 46, 46, 47, 47, 47, 47, 47, 48, 47, 47, 49, 49, 49, 49,
+   49, 49, 50, 50, 50, 50, 50, 51, 52, 52, 52, 52, 53, 53, 53, 53,
+   53, 53, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55, 56, 56, 57, 57,
+   57, 57, 58, 57, 59, 59, 60, 61, 62, 62, 63, 63, 64, 64, 64, 64,
+   65, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 55, 67, 67, 67, 67,
    67, 68, 68, 68, 69, 69, 69, 69, 69, 69, 64, 64, 70, 70, 71, 71,
-   71, 71, 71, 71, 71, 71, 71,  8,  8,  8,  8,  8, 72, 72, 72, 72,
-   72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 75, 75, 75, 75,
-   75, 76, 76, 76, 13, 50, 50, 50, 73, 77, 78, 79,  4,  4, 80,  4,
-    4, 81, 82, 83,  4,  4,  4, 84,  8,  8,  8,  8, 11, 11, 11, 11,
+   71, 71, 71, 71, 71, 71, 71,  8, 72, 72, 72, 72, 73, 73, 73, 73,
+   74, 74, 74, 74, 75, 75, 75, 75, 75, 76, 76, 76, 13, 50, 50, 50,
+   73, 77, 78, 79,  4,  4, 80,  4,  4, 81, 82, 83,  4,  4,  4, 84,
    11, 11, 11, 11, 85,  0,  0,  0,  0,  0,  0, 86,  0,  4,  0,  0,
     0,  8,  8,  8,  0,  0, 87, 88, 89,  0,  4,  4,  6,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 90, 90, 90, 90,
    90, 90, 90, 90, 91, 91, 91, 91, 91, 91,  4,  4, 92, 92, 92, 92,
-   92, 92, 92, 92, 50, 50, 50, 93, 93, 93, 93, 93, 53, 53, 53, 53,
-   53, 53, 13, 13, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
+   50, 50, 50, 93, 93, 93, 93, 93, 53, 53, 13, 13, 94, 94, 94, 94,
    94, 94, 94,  0, 95,  0, 96, 97, 98, 99, 99, 99, 99,100,101,102,
-  102,102,102,103,104,104,104,105, 52, 52, 52, 52, 52,  0,104,104,
-    0,  0,  0,102, 52, 52,  0,  0,  0,  0, 52,106,  0,  0,  0,  0,
-    0,102,102,107,102,102,102,102,102,108,  0,  0, 94, 94, 94, 94,
-    0,  0,  0,  0,109,109,109,109,109,109,109,109,109,109,109,109,
-  109,110,110,110,111,111,111,111,111,111,111,111,111,111,111,111,
-   13, 13, 13, 13, 13, 13,112,112,112,112,112,112,  0,  0,113,  4,
-    4,  4,  4,  4,114,  4,  4,  4,  4,  4,  4,  4,115,115,115,  0,
-  116,116,116,116,117,117,117,117,117,117, 32, 32,118,118,119,120,
-  120,120, 52, 52,121,121,121,121,122,121, 49, 49,123,123,123,123,
-  123,123, 49, 49,124,124,124,124,124,124,125,125, 53, 53, 53,  4,
-    4,126,127, 54, 54, 54, 54, 54,125,125,125,125,128,128,128,128,
-  128,128,128,128,  4,129, 18, 18, 18, 21, 21, 21, 21, 21, 21, 21,
-   21, 21, 21, 21, 21, 21, 21,130, 21, 21, 21, 21,  8,  0,131,  0,
-    0,  0,  0, 21, 21, 21, 21, 21, 21, 21, 21,132,  0,  0,  1,  2,
-    1,  2,133,101,102,134, 52, 52, 52, 52,  0,  0,135,135,135,135,
-  135,135,135,135,  0,  0,  0,  0, 11, 11, 11, 11, 11,  0, 11, 11,
-   11,  0,  0,136,137,137,138,138,138,138,139,  0,140,140,140,141,
-  141,142,142,142,143,143,144,144,144,144,144,144,145,145,145,145,
-  145,146,146,146,147,147,147,148,148,148,148,148,149,149,149,150,
-  150,150,150,151,151,151,151,151,151,151,151,151,152,152,152,152,
-  152,152,152,152,153,153,153,153,154,154,155,155,156,156,156,156,
-  156,156,157,157,158,158,159,159,159,159,159,159,160,160,161,161,
-  161,161,161,161,162,162,162,162,162,162,163,163,164,164,164,164,
-  165,165,165,165,166,166,166,166,167,167,168,168,169,169,169,169,
-  169,169,169,169,170,170,170,170,170,170,170,170,171,171,171,171,
-  171,171,171,171,172,172,172,172,172,172,172,172,173,173,173,173,
-  173,173,173,173,174,174,174,175,175,175,175,176,176,176,176,177,
-  177,177,178,178,179,179,179,179,179,179,179,179,180,180,180,180,
-  180,181,181,181,182,182,182,182,182,183,183,183,184,184,184,184,
-  184,184,185, 43,186,186,186,186,186,186,186,186,187,187,187,188,
-  188,188,188,188,189,189,189,190,189,189,189,189,191,191,191,191,
-  191,191,191,191,192,192,192,192,192,192,192,192,193,193,193,193,
-  193,193,193,193,194,194,194,194,194,194, 66, 66,195,195,195,195,
-  195,195,195,195,196,196,196,196,196,196,196,196,197,197,197,197,
-  197,197,197,197,198,198,198,198,198,198,198,198,199,199,199,199,
-  199,199,199,199,200,200,200,200,200,200,200,200,201,201,201,201,
-  201,202,202,202,202,202,202, 55,203,203,203,203,204,204,204,204,
-  204,204,204,205,205,205,205,205,205,205,205,205,206,206,206,206,
-  206,206,207,207,207,207,207,207,207,207,207,207,208,208,208,208,
-  208,208,208,208,110,110,110,110, 39, 39, 39, 39,209,209,209,209,
-  209,209,209,209,210,210,210,210,210,210,210,210,211,211,211,211,
-  211,211,211,211,212,212,212,212,212,212,212,212,112,112,112,112,
-  112,112,112,112,112,112,112,112,213,213,213,214,214,214,214,214,
-  214,215,215,215,216,216,216,216,216,216,216,216,217,217,217,217,
-  217,217,217,217,218,218,218,218,218,218,218,218,218,218,218,218,
-  218,218,219, 94,220,220,220,220,220,220,220,220,221,221,221,221,
-  221,221,221,221,102,102,102,102,102,102,102,102,222, 99, 99, 99,
-   99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,102,102,
-  102, 99,223,224,224,224,224,224,224,224,224,224,225,225,225,225,
-  225,225,225,225,225,225,  0,  0,  0,  0,  0,  0,  8,  8,  8,  8,
-    8,  0,  0,  0,  0,  0,  0,  0,  0,  0,226,227,228,  0,229,  0,
-    0,  0,  0,  0,230,230,230,230,230,230,230,230, 91, 91, 91, 91,
-   91, 91, 91, 91,231,231,231,231,231,231,231,231,232,232,232,232,
-  233,233,233,233,234,234,234,234,234,234,234,234,235,235,235,235,
-  235,235,235,235,236,  0,  0,  0,  0,  0,  0,  0,  8,  8,  8,  8,
-    8,  8,  8,  8,  0,  0,  0,  0,  1,  2,  2,  2,  2,  2,  3,  0,
-    0,  0,  4,  0,  2,  2,  2,  2,  2,  3,  2,  2,  2,  2,  5,  0,
-    2,  5,  6,  0,  7,  7,  7,  7,  8,  9,  8, 10,  8, 11,  8,  8,
-    8,  8,  8,  8, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 14, 14,
-   16, 17, 17, 17, 17, 17, 17, 17, 18, 19, 19, 19, 19, 19, 19, 19,
-   20, 21, 20, 22, 20, 20, 23, 23, 20, 20, 20, 20, 22, 20, 24,  7,
-    7, 25, 20, 20, 26, 20, 20, 20, 20, 20, 20, 21, 27, 27, 27, 27,
-   28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31,
-   32, 20, 20, 20, 33, 33, 33, 33, 34, 35, 33, 33, 33, 36, 33, 33,
-   37, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 40,
-   41, 41, 41, 41, 42, 42, 42, 42, 43, 43, 43, 43, 44, 44, 44, 44,
-   45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 47, 48, 48, 48, 48,
-   49, 49, 49, 49, 49, 50, 51, 49, 52, 52, 52, 52, 53, 53, 53, 53,
-   53, 53, 54, 53, 55, 55, 55, 55, 56, 56, 56, 56, 57, 57, 57, 57,
-   58, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 61, 62,
-   63, 63, 63, 63, 64, 64, 64, 64, 64, 65,  0,  0, 66, 66, 66, 66,
-   67, 67, 67, 67, 68, 68, 68, 68, 69, 70, 71, 71, 71, 71, 71, 71,
-   72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 75, 75, 75, 75,
-   76, 76, 76, 76, 77, 77, 77, 77, 78, 78, 78, 78, 79, 79, 79, 79,
-   80, 80, 80, 80, 81, 81, 81, 81, 82,  7,  7,  7, 83,  7, 84, 85,
-    0, 84, 86,  0,  2, 87, 88,  2,  2,  2,  2, 89, 90, 87, 91,  2,
-    2,  2, 92,  2,  2,  2,  2, 93,  0,  0,  0, 86,  1,  0,  0, 94,
-    0, 95, 96,  0,  4,  0,  0,  0,  0,  0,  0,  4, 97, 97, 97, 97,
-   98, 98, 98, 98, 13, 13, 13, 13, 99, 99, 99, 99,100,100,100,100,
-    0,101,  0,  0,102,100,103,104,  0,  0,100,  0,105,106,106,106,
-  106,106,106,106,106,106,107,105,108,109,109,109,109,109,109,109,
-  109,109,110,108,111,111,111,111,112, 55, 55, 55, 55, 55, 55,113,
-  109,109,109,110,109,109,  0,  0,114,114,114,114,115,115,115,115,
-  116,116,116,116,117,117,117,117, 96,  2,  2,  2,  2,  2, 94,  2,
-  118,118,118,118,119,119,119,119,120,120,120,120,121,121,121,121,
-  121,121,121,122,123,123,123,123,124,124,124,124,124,124,124,125,
-  126,126,126,126,127,127,127,127,128,128,128,128,  2,  2,  3,  2,
-    2,129,130,  0,131,131,131,131,132, 17, 17, 18, 20, 20, 20,133,
-    7,  7,  7,134, 20, 20, 20, 23,  0,135,109,109,109,109,109,136,
-  137,137,137,137,  0,  0,  0,138,139,139,139,139,140,140,140,140,
-   84,  0,  0,  0,141,141,141,141,142,142,142,142,143,143,143,143,
-  144,144,144,144,145,145,145,145,146,146,146,146,147,147,147,147,
-  148,148,148,148,149,149,149,149,150,150,150,150,151,151,151,151,
-  152,152,152,152,153,153,153,153,154,154,154,154,155,155,155,155,
-  156,156,156,156,157,157,157,157,158,158,158,158,159,159,159,159,
-  160,160,160,160,161,161,161,161,162,162,162,162,163,163,163,163,
-  164,164,164,164,165,165,165,165,166,166,166,166,167,167,167,167,
-  168,168,168,168,169,169,169,169,170,170,170,170,171,171,171,171,
-  172,172,172,172,173,173,173,173,174,174,174,174,175,175,175,175,
-  176,176,176,176,177,177,177,177,178,178,178,178,179,179,179,179,
-  180,180,180,180,181,181,181,181,182,182,182,182,183,183,183,183,
-  184,184,184,184,185,185,185,185,186, 45, 45, 45,187,187,187,187,
-  188,188,188,188,189,189,189,189,190,190,190,190,190,190,191,190,
-  192,192,192,192,193,193,193,193,194,194,194,194,195,195,195,195,
-  196,196,196,196,197,197,197,197,198,198,198,198,199,199,199,199,
-  200,200,200,200,201,201,201,201,202,202,202,202,203,203,203,203,
-  204,204,204,204,205,205,205,205,206,206,206,206,207,207,207,207,
-  208,208,208,208,209,209,209,209,210,210,210,210,211,211,211,211,
-  212,212,212,212,213,213,213,213,214,214,214,214,215,215,215,215,
-  216,216,216,216,217,217,217,217,218,218,218,218,219,219,219,219,
-  220,221,221,221,222,222,222,222,221,221,221,221,223,106,106,106,
-  106,109,109,109,224,224,224,224,225,225,225,225,  0,226, 86,  0,
-    0,  0,226,  7, 82,138,  7,  0,  0,  0,227, 86,228,228,228,228,
-  229,229,229,229,230,230,230,230,231,231,231,231,232,232,232,232,
-  233,233,233,233,234,  0,  0,  0,  0,  0,  0,  0,  0, 19, 19, 19,
-   19, 19, 19, 19, 19, 19, 19,  0,  0,  0, 19,  0, 19,  0,  0,  0,
-    0,  0, 26, 26,  1,  1,  1,  1,  9,  9,  9,  9,  0,  9,  9,  9,
-    9,  9,  0,  9,  9,  0,  9,  0,  9,  9, 55, 55, 55, 55, 55, 55,
-    6,  6,  6,  6,  6,  1,  1,  6,  6,  4,  4,  4,  4,  4,  4,  4,
-    4, 14, 14, 14, 14, 14, 14, 14,  3,  3,  3,  3,  3,  0,  3,  3,
-    0,  3,  3,  3,  3,  3,  3,  0,  3,  3,  3,  1,  1,  1,  3,  3,
-    1,  3,  3,  3, 37, 37, 37, 37, 38, 38, 38, 38, 64, 64, 64, 64,
-   90, 90, 90, 90, 95, 95, 95, 95,  3,  3,  0,  3,  7,  7,  7,  7,
-    7,  1,  1,  1,  1,  7,  7,  7,  0,  0,  7,  7,  5,  5,  5,  5,
-   11, 11, 11, 11, 10, 10, 10, 10, 21, 21, 21, 21, 22, 22, 22, 22,
-   23, 23, 23, 23, 16, 16, 16, 16, 20, 20, 20, 20, 36, 36, 36, 36,
-   24, 24, 24, 24, 24, 24, 24,  0, 18, 18, 18, 18, 25, 25, 25, 25,
-   25,  0,  0,  0,  0, 25, 25, 25, 33, 33, 33, 33,  8,  8,  8,  8,
-    8,  8,  8,  0, 12, 12, 12, 12, 30, 30, 30, 30, 29, 29, 29, 29,
-   28, 28, 28, 28, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 35,  0,
-    0,  0, 35, 35, 45, 45, 45, 45, 44, 44, 44, 44, 44,  0,  0,  0,
-   43, 43, 43, 43, 46, 46, 46, 46, 31, 31, 31, 31, 32, 32,  0,  0,
-   32,  0, 32, 32, 32, 32, 32, 32, 48, 48, 48, 48, 52, 52, 52, 52,
-   58, 58, 58, 58, 54, 54, 54, 54, 91, 91, 91, 91, 62, 62, 62, 62,
-   76, 76, 76, 76, 93, 93, 93, 93, 70, 70, 70, 70, 73, 73, 73, 73,
-    1,  1,  1,  0,  1,  0,  1,  1,  1,  0,  0,  0,  0,  1,  0,  0,
-    1,  1,  0,  0, 19, 19,  9,  9,  9,  9,  9,  6, 19,  9,  9,  9,
-    9,  9, 19, 19,  9,  9,  9, 19,  6, 19, 19, 19, 19, 19, 19,  9,
-    0,  0,  0, 19,  0,  0,  9,  0,  0,  0, 19, 19, 27, 27, 27, 27,
-   56, 56, 56, 56, 61, 61, 61, 61, 13, 13, 13, 13,  0, 13,  0, 13,
-    0, 13, 13, 13, 13, 13,  1,  1,  1,  1, 12, 12,  0, 15, 15, 15,
-   15, 15, 15, 15, 15,  1,  1,  0,  0, 17, 17, 17, 17, 17, 17, 17,
-   17, 17, 17,  0, 26, 26, 26, 26, 26, 12, 12, 12, 12, 12, 12,  0,
-   39, 39, 39, 39, 86, 86, 86, 86, 77, 77, 77, 77, 79, 79, 79, 79,
-   60, 60, 60, 60, 65, 65, 65, 65, 75, 75, 75, 75, 69, 69, 69, 69,
-   69, 69,  0, 69, 74, 74, 74, 74, 84, 84, 84, 84, 84, 84, 84,  0,
-   68, 68, 68, 68, 92, 92, 92, 92, 87, 87, 87, 87, 19,  9, 19, 19,
-   19, 19,  0,  0,  2,  2,  2,  2, 19, 19, 19,  4,  3,  3,  0,  0,
-    1,  1,  6,  6,  0,  0, 17, 17, 17, 17,  0,  0, 49, 49, 49, 49,
-    0,  1,  1,  1, 71, 71, 71, 71, 67, 67, 67, 67, 42, 42, 42, 42,
-   41, 41, 41, 41,118,118,118,118, 53, 53, 53, 53, 59, 59, 59, 59,
-   40, 40, 40, 40, 51, 51, 51, 51, 50, 50, 50, 50,135,135,135,135,
-  106,106,106,106,104,104,104,104,161,161,161,161,110,110,110,110,
-   47, 47, 47, 47, 81, 81, 81, 81,120,120,120,120,116,116,116,116,
-  128,128,128,128, 66, 66, 66, 66, 72, 72, 72, 72, 98, 98, 98, 98,
-   97, 97, 97, 97, 57, 57, 57, 57, 88, 88, 88, 88,117,117,117,117,
-  112,112,112,112, 78, 78, 78, 78, 83, 83, 83, 83, 82, 82, 82, 82,
-  122,122,122,122, 89, 89, 89, 89,130,130,130,130,144,144,144,144,
-  156,156,156,156,147,147,147,147,148,148,148,148,158,158,158,158,
-  153,153,153,153,149,149,149,149, 94, 94, 94, 94, 85, 85, 85, 85,
-  101,101,101,101, 96, 96, 96, 96,111,111,111,111,100,100,100,100,
-  100, 36, 36, 36,108,108,108,108,129,129,129,129,109,109,109,109,
-  107,107,107,107,107,107,107,  1,137,137,137,137,124,124,124,124,
-  123,123,123,123,114,114,114,114,102,102,102,102,126,126,126,126,
-  142,142,142,142,125,125,125,125,154,154,154,154,150,150,150,150,
-  141,141,141,141,140,140,140,140,121,121,121,121,133,133,133,133,
-  134,134,134,134,138,138,138,138,143,143,143,143,145,145,145,145,
-   63, 63, 63, 63,157,157,157,157, 80, 80, 80, 80,127,127,127,127,
-  115,115,115,115,159,159,159,159,103,103,103,103,119,119,119,119,
-  146,146,146,146, 99, 99, 99, 99,136,139, 13, 13,155,155,155,155,
-  136,136,136,136, 17, 15, 15, 15,139,139,139,139,105,105,105,105,
-    0,  0,  0,  1,  0,  0,  1,  1,131,131,131,131,151,151,151,151,
-  160,160,160,160,152,152,152,152,113,113,113,113,132,132,132,132,
-   15,  0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  9,  9,
-    9, 10,  9, 11, 12, 13,  9,  9,  9, 14,  9,  9, 15,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+  102,102,102,103,104,104,104,105, 52,  0,104,104,  0,  0,  0,102,
+   52, 52,  0,  0,  0,  0, 52,106,  0,102,102,107,102,102,102,102,
+  102,108,  0,  0,109,109,109,109,109,110,110,110,111,111,111,111,
+   13, 13,112,112,112,112,112,112,  0,  0,113,  4,114,  4,  4,  4,
+  115,115,115,  0,116,116,116,116,117,117,117,117,117,117, 32, 32,
+  118,118,119,120,120,120, 52, 52,121,121,121,121,122,121, 49, 49,
+  123,123,123,123,123,123, 49, 49,124,124,124,124,124,124,125,125,
+   53, 53, 53,  4,  4,126,127, 54,125,125,125,125,128,128,128,128,
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+    0,  0,  0, 21, 21, 21, 21,132,  0,  0,  1,  2,  1,  2,133,101,
+  102,134, 52, 52,135,135,135,135, 11,  0, 11, 11, 11,  0,  0,136,
+  137,137,138,138,138,138,139,  0,140,140,140,141,141,142,142,142,
+  143,143,144,144,144,144,144,144,145,145,145,145,145,146,146,146,
+  147,147,147,148,148,148,148,148,149,149,149,150,150,150,150,151,
+  151,151,151,151,152,152,152,152,153,153,153,153,154,154,155,155,
+  156,156,156,156,156,156,157,157,158,158,159,159,159,159,159,159,
+  160,160,161,161,161,161,161,161,162,162,162,162,162,162,163,163,
+  164,164,164,164,165,165,165,165,166,166,166,166,167,167,168,168,
+  169,169,169,169,170,170,170,170,171,171,171,171,172,172,172,172,
+  173,173,173,173,173,173,173,174,175,175,175,176,176,176,176,177,
+  177,177,177,178,178,178,179,179,180,180,180,180,181,181,181,181,
+  181,182,182,182,183,183,183,183,183,184,184,184,185,185,185,185,
+  185,185,186, 43,187,187,187,187,188,188,188,189,189,189,189,189,
+  190,190,190,191,190,190,190,190,192,192,192,192,193,193,193,193,
+  194,194,194,194,195,195,195,195,195,195, 66, 66,196,196,196,196,
+  197,197,197,197,198,198,198,198,199,199,199,199,200,200,200,200,
+  201,201,201,201,202,202,202,202,202,203,203,203,203,203,203, 55,
+  204,204,204,204,205,205,205,205,205,205,205,206,206,206,206,206,
+  207,207,207,207,207,207,208,208,208,208,208,208,209,209,209,209,
+  210,210,210,210,110,110,110,110,211,211,211,211,212,212,212,212,
+  213,213,213,213,214,214,214,214,215,215,215,216,216,216,216,216,
+  216,217,217,217,218,218,218,218,219,219,219,219,220,220,220,220,
+  220,220,221, 94,222,222,222,222,223,223,223,223,224, 99, 99, 99,
+   99, 99, 99, 99, 99, 99,102,225, 99,226,102,227,227,227,227,227,
+  228,228,228,228,228,228,  0,  0,  8,  0,  0,  0,  0,  0,229,230,
+  231,  0,232,  0,233,233,233,233, 91, 91, 91, 13,234,234,234,234,
+  235,235,235,235,236,236,236,236,237,237,237,237,238,238,238,238,
+  239,239,239,239,240,  0,  0,  0,  0,  0,  0,  0,  1,  2,  2,  2,
+    2,  2,  3,  0,  0,  0,  4,  0,  2,  2,  2,  2,  2,  3,  2,  2,
+    2,  2,  5,  0,  2,  5,  6,  0,  7,  7,  7,  7,  8,  9,  8, 10,
+    8, 11,  8,  8,  8,  8,  8,  8, 12, 13, 13, 13, 14, 14, 14, 14,
+   14, 15, 14, 14, 16, 17, 17, 17, 17, 17, 17, 17, 18, 19, 19, 19,
+   19, 19, 19, 19, 20, 21, 20, 22, 20, 20, 23, 23, 20, 20, 20, 20,
+   22, 20, 24,  7,  7, 25, 20, 20, 26, 20, 20, 20, 20, 20, 20, 21,
+   27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30,
+   31, 31, 31, 31, 32, 20, 20, 20, 33, 33, 33, 33, 34, 35, 33, 33,
+   33, 36, 33, 33, 37, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39,
+   40, 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 43, 43, 43, 43,
+   44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 47,
+   48, 48, 48, 48, 49, 49, 49, 49, 49, 50, 51, 49, 52, 52, 52, 52,
+   53, 53, 53, 53, 53, 53, 54, 53, 55, 55, 55, 55, 56, 56, 56, 56,
+   57, 57, 57, 57, 58, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 60,
+   60, 60, 61, 62, 63, 63, 63, 63, 64, 64, 64, 64, 64, 65,  0,  0,
+   66, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 69, 70, 71, 71,
+   71, 71, 71, 71, 72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74,
+   75, 75, 75, 75, 76, 76, 76, 76, 77, 77, 77, 77, 78, 78, 78, 78,
+   79, 79, 79, 79, 80, 80, 80, 80, 81, 81, 81, 81, 82,  7,  7,  7,
+   83,  7, 84, 85,  0, 84, 86,  0,  2, 87, 88,  2,  2,  2,  2, 89,
+   90, 87, 91,  2,  2,  2, 92,  2,  2,  2,  2, 93,  0,  0,  0, 86,
+    1,  0,  0, 94,  0, 95, 96,  0,  4,  0,  0,  0,  0,  0,  0,  4,
+   97, 97, 97, 97, 98, 98, 98, 98, 13, 13, 13, 13, 99, 99, 99, 99,
+  100,100,100,100,  0,101,  0,  0,102,100,103,104,  0,  0,100,  0,
+  105,106,106,106,106,106,106,106,106,106,107,105,108,109,109,109,
+  109,109,109,109,109,109,110,108,111,111,111,111,112, 55, 55, 55,
+   55, 55, 55,113,109,109,109,110,109,109,  0,  0,114,114,114,114,
+  115,115,115,115,116,116,116,116,117,117,117,117, 96,  2,  2,  2,
+    2,  2, 94,  2,118,118,118,118,119,119,119,119,120,120,120,120,
+  121,121,121,121,121,121,121,122,123,123,123,123,124,124,124,124,
+  124,124,124,125,126,126,126,126,127,127,127,127,128,128,128,128,
+    2,  2,  3,  2,  2,129,130,  0,131,131,131,131,132, 17, 17, 18,
+   20, 20, 20,133,  7,  7,  7,134, 20, 20, 20, 23,  0,135,109,109,
+  109,109,109,136,137,137,137,137,  0,  0,  0,138,139,139,139,139,
+  140,140,140,140, 84,  0,  0,  0,141,141,141,141,142,142,142,142,
+  143,143,143,143,144,144,144,144,145,145,145,145,146,146,146,146,
+  147,147,147,147,148,148,148,148,149,149,149,149,150,150,150,150,
+  151,151,151,151,152,152,152,152,153,153,153,153,154,154,154,154,
+  155,155,155,155,156,156,156,156,157,157,157,157,158,158,158,158,
+  159,159,159,159,160,160,160,160,161,161,161,161,162,162,162,162,
+  163,163,163,163,164,164,164,164,165,165,165,165,166,166,166,166,
+  167,167,167,167,168,168,168,168,169,169,169,169,170,170,170,170,
+  171,171,171,171,172,172,172,172,173,173,173,173,174,174,174,174,
+  174,174,174,175,176,176,176,176,177,177,177,177,178,178,178,178,
+  179,179,179,179,180,180,180,180,181,181,181,181,182,182,182,182,
+  183,183,183,183,184,184,184,184,185,185,185,185,186,186,186,186,
+  187, 45, 45, 45,188,188,188,188,189,189,189,189,190,190,190,190,
+  191,191,191,191,191,191,192,191,193,193,193,193,194,194,194,194,
+  195,195,195,195,196,196,196,196,197,197,197,197,198,198,198,198,
+  199,199,199,199,200,200,200,200,201,201,201,201,202,202,202,202,
+  203,203,203,203,204,204,204,204,205,205,205,205,206,206,206,206,
+  207,207,207,207,208,208,208,208,209,209,209,209,210,210,210,210,
+  211,211,211,211,212,212,212,212,213,213,213,213,214,214,214,214,
+  215,215,215,215,216,216,216,216,217,217,217,217,218,218,218,218,
+  219,219,219,219,220,220,220,220,221,221,221,221,222,223,223,223,
+  224,224,224,224,223,223,223,223,225,106,106,106,226,106,106,106,
+  106,227,109,109,228,228,228,228,229,229,229,229,  0,230, 86,  0,
+    0,  0,230,  7, 82,138,  7,  0,  0,  0,231, 86,232,232,232,232,
+  233,233,233,233,234,234,234,234,235,235,235,235,236,236,236,236,
+  237,237,237,237,238,238,238,238,239,  0,  0,  0,  0,  0,  0,  0,
+    0, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,  0,  0,  0, 19,  0,
+   19,  0,  0,  0,  0,  0, 26, 26,  1,  1,  1,  1,  9,  9,  9,  9,
+    0,  9,  9,  9,  9,  9,  0,  9,  9,  0,  9,  0,  9,  9, 55, 55,
+   55, 55, 55, 55,  6,  6,  6,  6,  6,  1,  1,  6,  6,  4,  4,  4,
+    4,  4,  4,  4,  4, 14, 14, 14, 14, 14, 14, 14,  3,  3,  3,  3,
+    3,  0,  3,  3,  0,  3,  3,  3,  3,  3,  3,  0,  3,  3,  3,  1,
+    1,  1,  3,  3,  1,  3,  3,  3, 37, 37, 37, 37, 38, 38, 38, 38,
+   64, 64, 64, 64, 90, 90, 90, 90, 95, 95, 95, 95,  3,  3,  0,  3,
+    7,  7,  7,  7,  7,  1,  1,  1,  1,  7,  7,  7,  0,  0,  7,  7,
+    5,  5,  5,  5, 11, 11, 11, 11, 10, 10, 10, 10, 21, 21, 21, 21,
+   22, 22, 22, 22, 23, 23, 23, 23, 16, 16, 16, 16, 20, 20, 20, 20,
+   36, 36, 36, 36, 24, 24, 24, 24, 24, 24, 24,  0, 18, 18, 18, 18,
+   25, 25, 25, 25, 25,  0,  0,  0,  0, 25, 25, 25, 33, 33, 33, 33,
+    8,  8,  8,  8,  8,  8,  8,  0, 12, 12, 12, 12, 30, 30, 30, 30,
+   29, 29, 29, 29, 28, 28, 28, 28, 34, 34, 34, 34, 35, 35, 35, 35,
+   35, 35, 35,  0,  0,  0, 35, 35, 45, 45, 45, 45, 44, 44, 44, 44,
+   44,  0,  0,  0, 43, 43, 43, 43, 46, 46, 46, 46, 31, 31, 31, 31,
+   32, 32,  0,  0, 32,  0, 32, 32, 32, 32, 32, 32, 48, 48, 48, 48,
+   52, 52, 52, 52, 58, 58, 58, 58, 54, 54, 54, 54, 91, 91, 91, 91,
+   62, 62, 62, 62, 76, 76, 76, 76, 93, 93, 93, 93, 70, 70, 70, 70,
+   73, 73, 73, 73,  1,  1,  1,  0,  1,  0,  1,  1,  1,  0,  0,  0,
+    0,  1,  0,  0,  1,  1,  0,  0, 19, 19,  9,  9,  9,  9,  9,  6,
+   19,  9,  9,  9,  9,  9, 19, 19,  9,  9,  9, 19,  6, 19, 19, 19,
+   19, 19, 19,  9,  0,  0,  0, 19,  0,  0,  9,  0,  0,  0, 19, 19,
+   27, 27, 27, 27, 56, 56, 56, 56, 61, 61, 61, 61, 13, 13, 13, 13,
+    0, 13,  0, 13,  0, 13, 13, 13, 13, 13,  1,  1,  1,  1, 12, 12,
+    0, 15, 15, 15, 15, 15, 15, 15, 15,  1,  1,  0,  0, 17, 17, 17,
+   17, 17, 17, 17, 17, 17, 17,  0, 26, 26, 26, 26, 26, 12, 12, 12,
+   12, 12, 12,  0, 39, 39, 39, 39, 86, 86, 86, 86, 77, 77, 77, 77,
+   79, 79, 79, 79, 60, 60, 60, 60, 65, 65, 65, 65, 75, 75, 75, 75,
+   69, 69, 69, 69, 69, 69,  0, 69, 74, 74, 74, 74, 84, 84, 84, 84,
+   84, 84, 84,  0, 68, 68, 68, 68, 92, 92, 92, 92, 87, 87, 87, 87,
+   19,  9, 19, 19, 19, 19,  0,  0,  2,  2,  2,  2, 19, 19, 19,  4,
+    3,  3,  0,  0,  1,  1,  6,  6,  0,  0, 17, 17, 17, 17,  0,  0,
+   49, 49, 49, 49,  0,  1,  1,  1, 71, 71, 71, 71, 67, 67, 67, 67,
+   42, 42, 42, 42, 41, 41, 41, 41,118,118,118,118, 53, 53, 53, 53,
+   59, 59, 59, 59, 40, 40, 40, 40, 51, 51, 51, 51, 50, 50, 50, 50,
+  135,135,135,135,106,106,106,106,104,104,104,104,161,161,161,161,
+  110,110,110,110, 47, 47, 47, 47, 81, 81, 81, 81,120,120,120,120,
+  116,116,116,116,128,128,128,128, 66, 66, 66, 66, 72, 72, 72, 72,
+   98, 98, 98, 98, 97, 97, 97, 97, 57, 57, 57, 57, 88, 88, 88, 88,
+  117,117,117,117,112,112,112,112, 78, 78, 78, 78, 83, 83, 83, 83,
+   82, 82, 82, 82,122,122,122,122, 89, 89, 89, 89,130,130,130,130,
+  144,144,144,144,156,156,156,156,156,  3,  3,  3,147,147,147,147,
+  148,148,148,148,158,158,158,158,153,153,153,153,149,149,149,149,
+   94, 94, 94, 94, 85, 85, 85, 85,101,101,101,101, 96, 96, 96, 96,
+  111,111,111,111,100,100,100,100,100, 36, 36, 36,108,108,108,108,
+  129,129,129,129,109,109,109,109,107,107,107,107,107,107,107,  1,
+  137,137,137,137,124,124,124,124,123,123,123,123,114,114,114,114,
+  102,102,102,102,126,126,126,126,142,142,142,142,125,125,125,125,
+  154,154,154,154,150,150,150,150,141,141,141,141,140,140,140,140,
+  121,121,121,121,133,133,133,133,134,134,134,134,138,138,138,138,
+  143,143,143,143,145,145,145,145,163,163,163,163, 63, 63, 63, 63,
+  157,157,157,157, 80, 80, 80, 80,127,127,127,127,115,115,115,115,
+  159,159,159,159,103,103,103,103,119,119,119,119,146,146,146,146,
+   99, 99, 99, 99,136,139, 13, 13,155,155,155,155,136,136,136,136,
+   17, 15, 15, 15, 17, 17, 15, 15, 15, 17, 17, 17,139,139,139,139,
+  105,105,105,105,  0,  0,  0,  1,  0,  0,  1,  1,131,131,131,131,
+  151,151,151,151,160,160,160,160,152,152,152,152,164,164,164,164,
+  113,113,113,113,132,132,132,132, 15,  0,  0,  0,  0,  1,  2,  3,
+    4,  5,  6,  7,  8,  9,  9,  9,  9, 10,  9, 11, 12, 13,  9,  9,
+    9, 14,  9,  9, 15,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-   16, 17,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 18, 19, 20,  9,
-   21,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9,  9,  9,  9,  9, 16, 17,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9, 18, 19, 20,  9, 21,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9, 22,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
+    9,  9,  9,  9, 22,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
@@ -6479,60 +5219,60 @@ _hb_ucd_u8[13602] =
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-   23, 24,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,
-    3,  4,  5,  6,  7,  8,  9, 10, 11, 12,  0,  0, 13, 14, 15, 16,
-   17, 18, 19, 20, 21, 22,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 23,  0,  0, 24, 25, 26, 27, 28, 29, 30,
-    0,  0, 31, 32,  0, 33,  0, 34,  0, 35,  0,  0,  0,  0, 36, 37,
-   38, 39,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 40,  0,  0,  0,  0,  0,  0,  0,  0,  0, 41, 42,
+    9,  9,  9,  9,  9,  9,  9,  9, 23, 24,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10,
+   11, 12,  0,  0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 23,  0,
+    0, 24, 25, 26, 27, 28, 29, 30,  0,  0, 31, 32,  0, 33,  0, 34,
+    0, 35,  0,  0,  0,  0, 36, 37, 38, 39,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 40,  0,  0,  0,
+    0,  0,  0,  0,  0,  0, 41, 42,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 43, 44,  0, 45,
+    0,  0,  0,  0,  0,  0, 46, 47,  0,  0,  0,  0,  0, 48,  0, 49,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 50, 51,
+    0,  0,  0, 52,  0,  0, 53,  0,  0,  0,  0,  0,  0,  0, 54,  0,
+    0,  0,  0,  0,  0,  0, 55,  0,  0,  0,  0,  0,  0,  0, 56,  0,
+    0,  0,  0,  0,  0,  0,  0, 57,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 58, 59,
+   60, 61, 62, 63, 64, 65,  0,  0,  0,  0,  0,  0, 66,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0, 43, 44,  0, 45,  0,  0,  0,  0,  0,  0, 46, 47,
-    0,  0,  0,  0,  0, 48,  0, 49,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 50, 51,  0,  0,  0, 52,  0,  0, 53,  0,
-    0,  0,  0,  0,  0,  0, 54,  0,  0,  0,  0,  0,  0,  0, 55,  0,
-    0,  0,  0,  0,  0,  0, 56,  0,  0,  0,  0,  0,  0,  0,  0, 57,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0, 58, 59, 60, 61, 62, 63, 64, 65,  0,  0,
-    0,  0,  0,  0, 66,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 67, 68,  0, 69, 70,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 71, 72, 73, 74, 75, 76,
+   77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
+   93, 94, 95, 96, 97, 98, 99,100,101,102,103,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,104,  0,  0,  0,
+    0,  0,  0,105,106,  0,107,  0,  0,  0,108,  0,109,  0,110,  0,
+  111,112,113,  0,114,  0,  0,  0,115,  0,  0,  0,116,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,117,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,118,119,
+  120,121,  0,122,123,124,125,126,  0,127,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 67, 68,  0, 69, 70,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
-   85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,
-  101,102,103,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,104,  0,  0,  0,  0,  0,  0,105,106,  0,107,  0,
-    0,  0,108,  0,109,  0,110,  0,111,112,113,  0,114,  0,  0,  0,
-  115,  0,  0,  0,116,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,117,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,128,129,130,131,132,133,
+  134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,
+  150,151,152,153,154,155,156,157,  0,  0,  0,158,159,160,161,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,118,119,120,121,  0,122,123,124,125,126,
-    0,127,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,162,163,  0,  0,  0,  0,  0,  0,  0,164,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,128,129,130,131,132,133,134,135,136,137,138,139,140,141,
-  142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,
-    0,  0,  0,158,159,160,161,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,162,163,  0,  0,  0,
-    0,  0,  0,  0,164,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,165,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,165,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,166,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,167,  0,  0,
+    0,  0,  0,  0,  0,166,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,167,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,168,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,168,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,169,
+  170,  0,  0,  0,  0,171,172,  0,  0,  0,173,174,175,176,177,178,
+  179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,
+  195,196,197,198,199,200,201,202,203,204,205,206,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,169,170,  0,  0,  0,  0,171,172,  0,
-    0,  0,173,174,175,176,177,178,179,180,181,182,183,184,185,186,
-  187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,
-  203,204,205,206,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,
-    3,  4,
+    0,  0,  0,  0,  0,  0,  1,  2,  3,  4,
 };
 static const uint16_t
-_hb_ucd_u16[4888] =
+_hb_ucd_u16[4920] =
 {
      0,   0,   1,   2,   3,   4,   5,   6,   0,   0,   7,   8,   9,  10,  11,  12,
     13,  13,  13,  14,  15,  13,  13,  16,  17,  18,  19,  20,  21,  22,  13,  23,
@@ -6599,39 +5339,41 @@ _hb_ucd_u16[4888] =
    359,  47,  47, 360, 145,  66,  47, 361,  47, 362, 145, 145, 363,  47, 364,  66,
     47,  47,  47, 365,  47, 366,  47, 366,  47, 365, 144, 145, 145, 145, 145, 145,
      9,   9,   9,   9,  11,  11,  11, 367,  47,  47, 368, 160, 160, 160, 160, 160,
-   145, 145, 145, 145, 145, 145, 145, 145,  47,  47, 369,  47,  47,  47,  47,  47,
+   145, 145, 145, 145, 145, 145, 145, 145,  47,  47, 369,  47,  47,  47,  47, 143,
     47, 362, 370,  47,  60, 371,  66,  47, 372,  66,  66,  47, 373, 145,  47,  47,
    374,  47,  47, 360, 375, 376, 377, 378, 180,  47,  47, 379, 380,  47,  47, 160,
     97,  47, 381, 382, 383,  47,  47, 384, 180,  47,  47, 385, 386, 387, 388, 145,
-    47,  47, 389, 390,  32,  32,  32,  32,  47,  47, 365,  47,  47, 391, 172, 160,
+    47,  47, 389, 390, 359,  32,  32,  32,  47,  47, 365,  47,  47, 391, 172, 160,
     92,  47,  47, 113, 392, 393, 394,  32,  47,  47,  47, 395, 396, 397,  47,  47,
     47,  47,  47, 398, 399, 160, 160, 160,  47,  47, 400, 401, 402, 403,  32,  32,
     47,  47,  47, 404, 405, 160,  66,  66,  47,  47, 406, 407, 160, 160, 160, 160,
     47, 143, 408, 409,  47,  47,  47,  47,  47,  47, 389, 410,  66,  66,  66,  66,
      9,   9,   9,   9,  11,  11, 128, 411,  47,  47,  47, 412, 413, 160, 160, 160,
     47,  47,  47,  47,  47, 414, 415, 416, 417,  47,  47, 418, 419, 420,  47,  47,
-   421, 422,  66,  47,  47,  47,  47,  47,  47,  47, 400, 423, 424, 128, 145, 425,
-    47, 156, 426, 427,  32,  32,  32,  32,  47,  47,  47, 359, 428, 160,  47,  47,
-   429, 430, 160, 160, 160, 160, 160, 160,  47,  47,  47,  47,  47,  47,  47, 431,
-    47,  47,  47,  47, 145, 432, 433, 434, 219, 219, 219, 219, 219, 219, 219,  66,
-    47,  47,  47,  47,  47,  47,  47, 424,  47,  47,  47, 208, 208, 208, 208, 208,
-    47,  47,  47,  47,  47,  47, 305,  47,  47,  47,  47,  47, 160,  47,  47, 435,
-    47,  47,  47, 436, 437, 438, 439,  47,   9,   9,   9,   9,   9,   9,  11,  11,
-   145, 440,  66,  66,  66,  66,  66,  66,  47,  47,  47,  47, 391, 441, 416, 416,
-   442, 443,  27,  27,  27,  27, 444, 416,  47, 445, 208, 208, 208, 208, 208, 208,
-    32,  32,  32,  32,  32, 146, 146, 146, 146, 146, 146, 146, 146, 146, 446, 447,
-   448, 146, 449, 146, 146, 146, 146, 146, 146, 146, 146, 146, 450, 146, 146, 146,
-     9, 451,  11, 452, 453,  11, 196,   9, 454, 455,   9, 456,  11,   9, 451,  11,
-   452, 453,  11, 196,   9, 454, 455,   9, 456,  11,   9, 451,  11, 452, 453,  11,
-   196,   9, 454, 455,   9, 456,  11,   9, 451,  11, 196,   9, 457, 458, 459, 460,
-    11, 461,   9, 462, 463, 464, 465,  11, 466,   9, 467,  11, 468, 160, 160, 160,
-    32,  32,  32, 469,  32,  32, 470, 471, 472, 473,  32,  32,  32,  32,  32,  32,
-   474,  11,  11,  11,  11,  11,  11,  11,  32,  32,  32,  32,  32,  32,  32,  32,
-    47,  47,  47, 475, 476, 146, 146, 146,  47,  47, 477,  32,  47,  47, 478, 479,
-    47,  47,  47,  47, 355,  32,  32,  32,   9,   9, 454,  11, 480, 305,  66,  66,
-   145, 145, 481, 482, 145, 145, 145, 145, 145, 145, 483, 145, 145, 145, 145, 145,
-    47,  47,  47,  47,  47,  47,  47, 226, 484, 146, 146, 146, 146, 146, 146, 146,
-   146, 146, 146, 146, 146, 146, 146, 485, 146, 146, 146, 146, 146, 146, 146, 160,
+   421, 422,  66,  47,  47,  47,  47,  47,  66,  66,  66,  66,  66,  66,  66,  66,
+    47,  47, 400, 423, 424, 128, 145, 425,  47, 156, 426, 427,  32,  32,  32,  32,
+    47,  47,  47, 359, 428, 160,  47,  47, 429, 430, 160, 160, 160, 160, 160, 160,
+    47,  47,  47,  47,  47,  47,  47, 431, 432,  47,  47, 433, 434, 160, 160, 160,
+    47,  47,  47,  47, 145, 435, 436, 437, 219, 219, 219, 219, 219, 219, 219,  66,
+    47,  47,  47,  47,  47,  47,  47, 424,  47,  47,  47, 208, 438,  32,  32,  32,
+    47,  47,  47,  47,  47,  47, 305,  47,  47,  47,  47,  47, 160,  47,  47, 439,
+    47,  47,  47, 440, 441, 442, 443,  47,   9,   9,   9,   9,   9,   9,  11,  11,
+   145, 444,  66,  66,  66,  66,  66,  66,  47,  47,  47,  47, 391, 445, 416, 416,
+   446, 447,  27,  27,  27,  27, 448, 416,  47, 449, 208, 208, 208, 208, 208, 208,
+    32,  32,  32,  32,  32, 146, 146, 146, 146, 146, 146, 146, 146, 146, 450, 451,
+   452, 146, 453, 146, 146, 146, 146, 146, 146, 146, 146, 146, 454, 146, 146, 146,
+     9, 455,  11, 456, 457,  11, 196,   9, 458, 459,   9, 460,  11,   9, 455,  11,
+   456, 457,  11, 196,   9, 458, 459,   9, 460,  11,   9, 455,  11, 456, 457,  11,
+   196,   9, 458, 459,   9, 460,  11,   9, 455,  11, 196,   9, 461, 462, 463, 464,
+    11, 465,   9, 466, 467, 468, 469,  11, 470,   9, 471,  11, 472, 160, 160, 160,
+    32,  32,  32, 473,  32,  32, 474, 475, 476, 477,  32,  32,  32,  32,  32,  32,
+   478,  11,  11,  11,  11,  11,  11,  11,  32,  32,  32,  27,  27,  27,  27,  27,
+    32,  32,  32,  32,  32,  32,  32,  32,  47,  47,  47, 479, 480, 146, 146, 146,
+    47,  47, 481,  32,  47,  47, 482, 483,  47,  47,  47,  47,  47,  47, 484, 160,
+    47,  47,  47,  47, 355,  32,  32,  32,   9,   9, 458,  11, 485, 305,  66,  66,
+   145, 145, 486, 487, 145, 145, 145, 145, 145, 145, 488, 145, 145, 145, 145, 145,
+    47,  47,  47,  47,  47,  47,  47, 226, 489, 146, 146, 146, 146, 146, 146, 146,
+   146, 146, 146, 146, 146, 146, 146, 490, 146, 146, 146, 146, 146, 146, 146, 160,
    208, 208, 208, 208, 208, 208, 208, 208,   0,   0,   0,   0,   0,   0,   0,   0,
      0,   0,   0,   0,   0,   0,   0,   0, 939, 940, 941, 942, 946, 948,   0, 962,
    969, 970, 971, 976,1001,1002,1003,1008,   0,1033,1040,1041,1042,1043,1047,   0,
@@ -6842,32 +5584,25 @@ _hb_ucd_u16[4888] =
    817, 818, 819, 820, 821, 935,   0,   0,
 };
 static const int16_t
-_hb_ucd_i16[196] =
+_hb_ucd_i16[92] =
 {
-      0,    0,    0,    0,    1,   -1,    0,    0,    2,    0,   -2,    0,    0,    0,    0,    2,
-      0,   -2,    0,    0,    0,    0,    0,   16,    0,    0,    0,  -16,    0,    0,    1,   -1,
-      0,    0,    0,    1,   -1,    0,    0,    0,    0,    1,   -1,    0,    3,    3,    3,   -3,
-     -3,   -3,    0,    0,    0, 2016,    0,    0,    0,    0,    0, 2527, 1923, 1914, 1918,    0,
-   2250,    0,    0,    0,    0,    0,    0,  138,    0,    7,    0,    0,   -7,    0,    0,    0,
-      1,   -1,    1,   -1,   -1,    1,   -1,    0, 1824,    0,    0,    0,    0,    0, 2104,    0,
-   2108, 2106,    0, 2106, 1316,    0,    0,    0,    0,    1,   -1,    1,   -1, -138,    0,    0,
-      1,   -1,    8,    8,    8,    0,    7,    7,    0,    0,   -8,   -8,   -8,   -7,   -7,    0,
-      1,   -1,    0,    2,-1316,    1,   -1,    0,   -1,    1,   -1,    1,   -1,    3,    1,   -1,
-     -3,    1,   -1,    1,   -1,    0,    0,-1914,-1918,    0,    0,-1923,-1824,    0,    0,    0,
-      0,-2016,    0,    0,    1,   -1,    0,    1,    0,    0,-2104,    0,    0,    0,    0,-2106,
-  -2108,-2106,    0,    0,    1,   -1,-2250,    0,    0,    0,-2527,    0,    0,   -2,    0,    1,
-     -1,    0,    1,   -1,
+      0,    0,    1,   -1,    2,    0,   -2,    0,    0,    2,    0,   -2,    0,   16,    0,  -16,
+      0,    1,   -1,    0,    3,    3,    3,   -3,   -3,   -3,    0, 2016,    0, 2527, 1923, 1914,
+   1918,    0, 2250,    0,    0,  138,    0,    7,   -7,    0,   -1,    1, 1824,    0, 2104,    0,
+   2108, 2106,    0, 2106, 1316,    0,   -1, -138,    8,    8,    8,    0,    7,    7,   -8,   -8,
+     -8,   -7,-1316,    1,   -1,    3,   -3,    1,    0,-1914,-1918,    0,    0,-1923,-1824,    0,
+      0,-2016,-2104,    0,    0,-2106,-2108,-2106,-2250,    0,-2527,    0,
 };
 
 static inline uint_fast8_t
 _hb_ucd_gc (unsigned u)
 {
-  return u<1114112u?_hb_ucd_u8[5056+(((_hb_ucd_u8[1168+(((_hb_ucd_u16[((_hb_ucd_u8[544+(((_hb_ucd_u8[u>>1>>3>>3>>4])<<4)+((u>>1>>3>>3)&15u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:2;
+  return u<1114112u?_hb_ucd_u8[5080+(((_hb_ucd_u8[1152+(((_hb_ucd_u16[((_hb_ucd_u8[544+(((_hb_ucd_u8[u>>1>>3>>3>>4])<<4)+((u>>1>>3>>3)&15u))])<<3)+((u>>1>>3)&7u)])<<3)+((u>>1)&7u))])<<1)+((u)&1u))]:2;
 }
 static inline uint_fast8_t
 _hb_ucd_ccc (unsigned u)
 {
-  return u<125259u?_hb_ucd_u8[6970+(((_hb_ucd_u8[6426+(((_hb_ucd_u8[5982+(((_hb_ucd_u8[5646+(((_hb_ucd_u8[5400+(u>>2>>2>>2>>3)])<<3)+((u>>2>>2>>2)&7u))])<<2)+((u>>2>>2)&3u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:0;
+  return u<125259u?_hb_ucd_u8[7038+(((_hb_ucd_u8[6482+(((_hb_ucd_u8[6022+(((_hb_ucd_u8[5670+(((_hb_ucd_u8[5424+(u>>2>>2>>2>>3)])<<3)+((u>>2>>2>>2)&7u))])<<2)+((u>>2>>2)&3u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:0;
 }
 static inline unsigned
 _hb_ucd_b4 (const uint8_t* a, unsigned i)
@@ -6877,17 +5612,17 @@ _hb_ucd_b4 (const uint8_t* a, unsigned i)
 static inline int_fast16_t
 _hb_ucd_bmg (unsigned u)
 {
-  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[7714+(((_hb_ucd_u8[7594+(((_hb_ucd_b4(7466+_hb_ucd_u8,u>>2>>3>>3))<<3)+((u>>2>>3)&7u))])<<3)+((u>>2)&7u))])<<2)+((u)&3u)]:0;
+  return u<65380u?_hb_ucd_i16[((_hb_ucd_u8[7930+(((_hb_ucd_u8[7698+(((_hb_ucd_u8[7602+(((_hb_ucd_b4(7538+_hb_ucd_u8,u>>1>>2>>3>>3))<<3)+((u>>1>>2>>3)&7u))])<<3)+((u>>1>>2)&7u))])<<2)+((u>>1)&3u))])<<1)+((u)&1u)]:0;
 }
 static inline uint_fast8_t
 _hb_ucd_sc (unsigned u)
 {
-  return u<918016u?_hb_ucd_u8[11480+(((_hb_ucd_u8[10532+(((_hb_ucd_u8[9124+(((_hb_ucd_u8[8500+(((_hb_ucd_u8[8050+(u>>2>>2>>3>>4)])<<4)+((u>>2>>2>>3)&15u))])<<3)+((u>>2>>2)&7u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:2;
+  return u<918016u?_hb_ucd_u8[11228+(((_hb_ucd_u8[10264+(((_hb_ucd_u8[9276+(((_hb_ucd_u8[8596+(((_hb_ucd_u8[8292+(((_hb_ucd_u8[8178+(u>>2>>2>>2>>3>>4)])<<4)+((u>>2>>2>>2>>3)&15u))])<<3)+((u>>2>>2>>2)&7u))])<<2)+((u>>2>>2)&3u))])<<2)+((u>>2)&3u))])<<2)+((u)&3u))]:2;
 }
 static inline uint_fast16_t
 _hb_ucd_dm (unsigned u)
 {
-  return u<195102u?_hb_ucd_u16[1576+(((_hb_ucd_u8[12802+(((_hb_ucd_u8[12420+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:0;
+  return u<195102u?_hb_ucd_u16[1608+(((_hb_ucd_u8[12570+(((_hb_ucd_u8[12188+(u>>4>>5)])<<5)+((u>>4)&31u))])<<4)+((u)&15u))]:0;
 }
 
 #endif
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ucd.cc b/src/3rdparty/harfbuzz-ng/src/hb-ucd.cc
index baea224a25..4c8b1ee5e6 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ucd.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ucd.cc
@@ -129,12 +129,16 @@ hb_ucd_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 		hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab,
 		void *user_data HB_UNUSED)
 {
+  // Hangul is handled algorithmically.
   if (_hb_ucd_compose_hangul (a, b, ab)) return true;
 
   hb_codepoint_t u = 0;
 
   if ((a & 0xFFFFF800u) == 0x0000u && (b & 0xFFFFFF80) == 0x0300u)
   {
+    /* If "a" is small enough and "b" is in the U+0300 range,
+     * the composition data is encoded in a 32bit array sorted
+     * by "a,b" pair. */
     uint32_t k = HB_CODEPOINT_ENCODE3_11_7_14 (a, b, 0);
     const uint32_t *v = hb_bsearch (k,
 				    _hb_ucd_dm2_u32_map,
@@ -146,6 +150,8 @@ hb_ucd_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   }
   else
   {
+    /* Otherwise it is stored in a 64bit array sorted by
+     * "a,b" pair. */
     uint64_t k = HB_CODEPOINT_ENCODE3 (a, b, 0);
     const uint64_t *v = hb_bsearch (k,
 				    _hb_ucd_dm2_u64_map,
@@ -170,15 +176,22 @@ hb_ucd_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 
   unsigned i = _hb_ucd_dm (ab);
 
+  /* If no data, there's no decomposition. */
   if (likely (!i)) return false;
   i--;
 
+  /* Check if it's a single-character decomposition. */
   if (i < ARRAY_LENGTH (_hb_ucd_dm1_p0_map) + ARRAY_LENGTH (_hb_ucd_dm1_p2_map))
   {
+    /* Single-character decompositions currently are only in plane 0 or plane 2. */
     if (i < ARRAY_LENGTH (_hb_ucd_dm1_p0_map))
+    {
+      /* Plane 0. */
       *a = _hb_ucd_dm1_p0_map[i];
+    }
     else
     {
+      /* Plane 2. */
       i -= ARRAY_LENGTH (_hb_ucd_dm1_p0_map);
       *a = 0x20000 | _hb_ucd_dm1_p2_map[i];
     }
@@ -187,8 +200,10 @@ hb_ucd_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   }
   i -= ARRAY_LENGTH (_hb_ucd_dm1_p0_map) + ARRAY_LENGTH (_hb_ucd_dm1_p2_map);
 
+  /* Otherwise they are encoded either in a 32bit array or a 64bit array. */
   if (i < ARRAY_LENGTH (_hb_ucd_dm2_u32_map))
   {
+    /* 32bit array. */
     uint32_t v = _hb_ucd_dm2_u32_map[i];
     *a = HB_CODEPOINT_DECODE3_11_7_14_1 (v);
     *b = HB_CODEPOINT_DECODE3_11_7_14_2 (v);
@@ -196,6 +211,7 @@ hb_ucd_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
   }
   i -= ARRAY_LENGTH (_hb_ucd_dm2_u32_map);
 
+  /* 64bit array. */
   uint64_t v = _hb_ucd_dm2_u64_map[i];
   *a = HB_CODEPOINT_DECODE3_1 (v);
   *b = HB_CODEPOINT_DECODE3_2 (v);
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-unicode-emoji-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-unicode-emoji-table.hh
index c216379201..13b1c4b1d4 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-unicode-emoji-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-unicode-emoji-table.hh
@@ -6,16 +6,16 @@
  *
  * on file with this header:
  *
- * # emoji-data-14.0.0.txt
- * # Date: 2021-08-26, 17:22:22 GMT
- * # © 2021 Unicode®, Inc.
+ * # emoji-data.txt
+ * # Date: 2022-08-02, 00:26:10 GMT
+ * # © 2022 Unicode®, Inc.
  * # Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
- * # For terms of use, see http://www.unicode.org/terms_of_use.html
+ * # For terms of use, see https://www.unicode.org/terms_of_use.html
  * #
  * # Emoji Data for UTS #51
- * # Used with Emoji Version 14.0 and subsequent minor revisions (if any)
+ * # Used with Emoji Version 15.0 and subsequent minor revisions (if any)
  * #
- * # For documentation and usage, see http://www.unicode.org/reports/tr51
+ * # For documentation and usage, see https://www.unicode.org/reports/tr51
  */
 
 #ifndef HB_UNICODE_EMOJI_TABLE_HH
@@ -24,42 +24,37 @@
 #include "hb-unicode.hh"
 
 static const uint8_t
-_hb_emoji_u8[544] =
+_hb_emoji_u8[464] =
 {
    16, 17, 17, 17, 50, 20, 21, 17, 17, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
    17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,118,152,
-    0,  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-    2,  3,  0,  0,  4,  0,  5,  0,  0,  0,  0,  0,  6,  0,  7,  8,
-    0,  0,  0,  9,  0,  0, 10, 11, 12, 13, 14, 13, 15, 16, 17,  0,
-    0,  0,  0,  0, 18,  0,  0,  0,  0,  0,  0,  0, 19, 20,  0,  0,
-   21,  0,  0,  0,  0,  0,  0,  0,  0,  0, 22,  0,  0,  0,  0,  0,
-   13, 13, 13, 13, 23, 24, 25, 26, 27, 28, 13, 13, 13, 13, 13, 29,
-   13, 13, 13, 13, 30, 31, 13, 13, 13, 32, 13, 13,  0, 33,  0, 34,
-   35, 36, 37, 13, 38, 39, 13, 13, 13, 13, 13, 13,  0,  0,  0,  0,
-   13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 30,
-    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 66,  0,  0,
-    0,  0,  0,  0,  0,  0,  0, 16,  0,  2,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  4,  0,  0,  2,  0,  0,240,  3,  0,  6,  0,  0,
-    0,  0,  0, 12,  0,  1,  0,  0,  0,  1,  0,  0,  0,  0,  0,  0,
-    0,128,  0,  0,  0,254, 15,  7,  4,  0,  0,  0,  0,  0,  0,  0,
-    0,  0,  0,  0,  0, 12, 64,  0,  1,  0,  0,  0,  0,  0,  0,120,
-  191,255,247,255,255,255,255,255,255,255,255,255,255,255,255,255,
-   63,  0,255,255,255,255,255,255, 63,255, 87, 32,  2,  1, 24,  0,
-  144, 80,184,  0,248,  0,  0,  0,  0,  0,224,  0,  2,  0,  1,128,
-    0,  0,  0,  0,  0,  0, 48,  0,224,  0,  0, 24,  0,  0,  0,  0,
-    0,  0, 33,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1, 32,
-    0,  0,128,  2,  0,  0,  0,  0,  0,224,  0,  0,  0,128,  0,  0,
-    0,  0,  0,  0,  0,240,  3,192,  0, 64,254,  7,  0,224,255,255,
-  255,255,255,255, 63,  0,  0,  0,254,255,  0,  4,  0,128,252,247,
-    0,254,255,255,255,255,255,255,255,255,255,255,255,255,255,  7,
-  255,255,255,255,255,255,255, 63,192,255,255,255,255,255,255,255,
-  255,255,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,240,255,
-    0,  0,224,255,255,255,255,255,  0,240,  0,  0,  0,  0,  0,  0,
-    0,255,  0,252,  0,  0,  0,  0,  0,255,  0,  0,  0,192,255,255,
-    0,240,255,255,255,255,255,247,191,255,255,255,255,255,255,255,
+    0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+    2,  0,  3,  4,  0,  0,  5,  6,  0,  7,  0,  8,  9, 10, 11, 12,
+    0,  0, 13,  0,  0,  0, 14,  0, 15,  0,  0,  0,  0, 16,  0,  0,
+   17, 17, 18, 19, 20, 17, 17, 21, 17, 17, 22, 17, 23, 17, 24, 25,
+   26, 27, 28, 17, 17, 17,  0,  0, 17, 17, 17, 17, 17, 17, 17, 29,
+    0,  0,  0,  0,  0,  1,  0,  0,  0,  2,  3,  0,  0,  4,  0,  0,
+    5,  6,  0,  0,  7,  8,  0,  0,  8,  0,  9, 10,  0,  0, 11,  0,
+    0, 12, 13, 14, 15, 16, 16, 16, 17, 16, 16, 16, 18, 19, 20, 21,
+   22, 23,  0,  0,  0, 24,  0,  0, 25,  0, 26,  0,  0, 27,  0,  0,
+   28,  0,  0,  0, 16, 16, 16, 16, 29,  9,  0, 30, 31, 32, 16, 33,
+   34, 35, 36, 16, 16, 16, 16, 37, 16, 38, 39, 16, 16, 16, 40,  0,
+    0,  0,  0, 41,  0,  0, 42, 16, 43,  0, 44,  0, 45, 46, 16, 16,
+   47, 48, 49, 16, 16, 16, 16, 38,  0,  0,  0,  0,  0, 66,  0,  0,
+    0,  0,  0, 16,  0,  2,  0,  0,  4,  0,  0,  2,  0,  0,240,  3,
+    0,  6,  0,  0,  0,  0,  0, 12,  0,  1,  0,  0,  0,128,  0,  0,
+    0,254, 15,  7,  4,  0,  0,  0,  0, 12, 64,  0,  1,  0,  0,  0,
+    0,  0,  0,120,191,255,247,255,255,255,255,255, 63,  0,255,255,
+   63,255, 87, 32,  2,  1, 24,  0,144, 80,184,  0,248,  0,  0,  0,
+    0,  0,224,  0,  2,  0,  1,128,  0,  0, 48,  0,224,  0,  0, 24,
+    0,  0, 33,  0,  0,  0,  1, 32,  0,  0,128,  2,  0,224,  0,  0,
+    0,240,  3,192,  0, 64,254,  7,  0,224,255,255, 63,  0,  0,  0,
+  254,255,  0,  4,  0,128,252,247,  0,254,255,255,255,255,255,  7,
+  255,255,255, 63,192,255,255,255,255,255,  0,  0,  0,  0,240,255,
+    0,  0,224,255,  0,240,  0,  0,  0,255,  0,252,  0,255,  0,  0,
+    0,192,255,255,  0,240,255,255,255,255,255,247,191,255,255,255,
 };
 
 static inline unsigned
@@ -75,7 +70,7 @@ _hb_emoji_b1 (const uint8_t* a, unsigned i)
 static inline uint_fast8_t
 _hb_emoji_is_Extended_Pictographic (unsigned u)
 {
-  return u<131070u?_hb_emoji_b1(224+_hb_emoji_u8,((_hb_emoji_u8[64+(((_hb_emoji_b4(_hb_emoji_u8,u>>6>>4))<<4)+((u>>6)&15u))])<<6)+((u)&63u)):0;
+  return u<131070u?_hb_emoji_b1(264+_hb_emoji_u8,((_hb_emoji_u8[144+(((_hb_emoji_u8[64+(((_hb_emoji_b4(_hb_emoji_u8,u>>5>>2>>3))<<3)+((u>>5>>2)&7u))])<<2)+((u>>5)&3u))])<<5)+((u)&31u)):0;
 }
 
 
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc b/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc
index 83ead6398b..9a6471e52c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc
@@ -169,7 +169,7 @@ hb_unicode_funcs_get_default ()
 #endif
 
 /**
- * hb_unicode_funcs_create: (Xconstructor)
+ * hb_unicode_funcs_create:
  * @parent: (nullable): Parent Unicode-functions structure
  *
  * Creates a new #hb_unicode_funcs_t structure of Unicode functions.
@@ -281,7 +281,7 @@ hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs)
  *
  * Attaches a user-data key/data pair to the specified Unicode-functions structure. 
  *
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -308,8 +308,8 @@ hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs,
  * Since: 0.9.2
  **/
 void *
-hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs,
-				hb_user_data_key_t *key)
+hb_unicode_funcs_get_user_data (const hb_unicode_funcs_t *ufuncs,
+				hb_user_data_key_t       *key)
 {
   return hb_object_get_user_data (ufuncs, key);
 }
@@ -340,7 +340,7 @@ hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs)
  * Tests whether the specified Unicode-functions structure
  * is immutable.
  *
- * Return value: %true if @ufuncs is immutable, %false otherwise
+ * Return value: `true` if @ufuncs is immutable, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -377,20 +377,30 @@ hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t		   *ufuncs,	\
 				    hb_destroy_func_t		    destroy)	\
 {										\
   if (hb_object_is_immutable (ufuncs))						\
-    return;									\
+    goto fail;									\
+										\
+  if (!func)									\
+  {										\
+    if (destroy)								\
+      destroy (user_data);							\
+    destroy = nullptr;								\
+    user_data = ufuncs->parent->user_data.name;					\
+  }										\
 										\
   if (ufuncs->destroy.name)							\
     ufuncs->destroy.name (ufuncs->user_data.name);				\
 										\
-  if (func) {									\
+  if (func)									\
     ufuncs->func.name = func;							\
-    ufuncs->user_data.name = user_data;						\
-    ufuncs->destroy.name = destroy;						\
-  } else {									\
+  else										\
     ufuncs->func.name = ufuncs->parent->func.name;				\
-    ufuncs->user_data.name = ufuncs->parent->user_data.name;			\
-    ufuncs->destroy.name = nullptr;						\
-  }										\
+  ufuncs->user_data.name = user_data;						\
+  ufuncs->destroy.name = destroy;						\
+  return;									\
+										\
+fail:										\
+  if (destroy)									\
+    destroy (user_data);							\
 }
 
 HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
@@ -421,7 +431,7 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
  * Calls the composition function of the specified
  * Unicode-functions structure @ufuncs.
  *
- * Return value: %true if @a and @b composed, %false otherwise
+ * Return value: `true` if @a and @b composed, `false` otherwise
  *
  * Since: 0.9.2
  **/
@@ -446,7 +456,7 @@ hb_unicode_compose (hb_unicode_funcs_t *ufuncs,
  * Calls the decomposition function of the specified
  * Unicode-functions structure @ufuncs.
  *
- * Return value: %true if @ab was decomposed, %false otherwise
+ * Return value: `true` if @ab was decomposed, `false` otherwise
  *
  * Since: 0.9.2
  **/
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-unicode.h b/src/3rdparty/harfbuzz-ng/src/hb-unicode.h
index c04ee15a09..faa8d67924 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-unicode.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-unicode.h
@@ -317,8 +317,8 @@ hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs,
 
 
 HB_EXTERN void *
-hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs,
-				hb_user_data_key_t *key);
+hb_unicode_funcs_get_user_data (const hb_unicode_funcs_t *ufuncs,
+				hb_user_data_key_t       *key);
 
 
 HB_EXTERN void
@@ -429,7 +429,7 @@ typedef hb_script_t			(*hb_unicode_script_func_t)		(hb_unicode_funcs_t *ufuncs,
  * The method must return an #hb_bool_t indicating the success
  * of the composition.
  * 
- * Return value: %true is @a,@b composed, %false otherwise
+ * Return value: `true` is @a,@b composed, `false` otherwise
  *
  **/
 typedef hb_bool_t			(*hb_unicode_compose_func_t)		(hb_unicode_funcs_t *ufuncs,
@@ -453,7 +453,7 @@ typedef hb_bool_t			(*hb_unicode_compose_func_t)		(hb_unicode_funcs_t *ufuncs,
  * output parameters (if successful). The method must return an
  * #hb_bool_t indicating the success of the composition.
  * 
- * Return value: %true if @ab decomposed, %false otherwise
+ * Return value: `true` if @ab decomposed, `false` otherwise
  *
  **/
 typedef hb_bool_t			(*hb_unicode_decompose_func_t)		(hb_unicode_funcs_t *ufuncs,
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-unicode.hh b/src/3rdparty/harfbuzz-ng/src/hb-unicode.hh
index 4c28bb0cdf..39aaee5baa 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-unicode.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-unicode.hh
@@ -105,12 +105,9 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
   unsigned int
   modified_combining_class (hb_codepoint_t u)
   {
-    /* XXX This hack belongs to the USE shaper (for Tai Tham):
-     * Reorder SAKOT to ensure it comes after any tone marks. */
+    /* Reorder SAKOT to ensure it comes after any tone marks. */
     if (unlikely (u == 0x1A60u)) return 254;
-
-    /* XXX This hack belongs to the Tibetan shaper:
-     * Reorder PADMA to ensure it comes after any vowel marks. */
+    /* Reorder PADMA to ensure it comes after any vowel marks. */
     if (unlikely (u == 0x0FC6u)) return 254;
     /* Reorder TSA -PHRU to reorder before U+0F74 */
     if (unlikely (u == 0x0F39u)) return 127;
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-uniscribe.cc b/src/3rdparty/harfbuzz-ng/src/hb-uniscribe.cc
index 50f71ce9ce..9648e02663 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-uniscribe.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-uniscribe.cc
@@ -355,7 +355,7 @@ _hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
     return nullptr;
   }
 
-  memcpy(new_sfnt_data, orig_sfnt_data, length);
+  hb_memcpy(new_sfnt_data, orig_sfnt_data, length);
 
   OT::name &name = StructAtOffset<OT::name> (new_sfnt_data, name_table_offset);
   name.format = 0;
@@ -478,11 +478,11 @@ populate_log_font (LOGFONTW  *lf,
 		   hb_font_t *font,
 		   unsigned int font_size)
 {
-  memset (lf, 0, sizeof (*lf));
+  hb_memset (lf, 0, sizeof (*lf));
   lf->lfHeight = - (int) font_size;
   lf->lfCharSet = DEFAULT_CHARSET;
 
-  memcpy (lf->lfFaceName, font->face->data.uniscribe->face_name, sizeof (lf->lfFaceName));
+  hb_memcpy (lf->lfFaceName, font->face->data.uniscribe->face_name, sizeof (lf->lfFaceName));
 
   return true;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-vector.hh b/src/3rdparty/harfbuzz-ng/src/hb-vector.hh
index 6c7d32e49d..9b52f5ca95 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-vector.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-vector.hh
@@ -29,12 +29,13 @@
 
 #include "hb.hh"
 #include "hb-array.hh"
+#include "hb-meta.hh"
 #include "hb-null.hh"
 
 
 template <typename Type,
 	  bool sorted=false>
-struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty_t>::type
+struct hb_vector_t
 {
   typedef Type item_t;
   static constexpr unsigned item_size = hb_static_size (Type);
@@ -52,14 +53,16 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
 	    hb_requires (hb_is_iterable (Iterable))>
   hb_vector_t (const Iterable &o) : hb_vector_t ()
   {
-    if (hb_iter (o).is_random_access_iterator)
-      alloc (hb_len (hb_iter (o)));
-    hb_copy (o, *this);
+    auto iter = hb_iter (o);
+    if (iter.is_random_access_iterator)
+      alloc (hb_len (iter));
+    hb_copy (iter, *this);
   }
   hb_vector_t (const hb_vector_t &o) : hb_vector_t ()
   {
     alloc (o.length);
-    hb_copy (o, *this);
+    if (unlikely (in_error ())) return;
+    copy_vector (o);
   }
   hb_vector_t (hb_vector_t &&o)
   {
@@ -70,9 +73,8 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   }
   ~hb_vector_t () { fini (); }
 
-  private:
-  int allocated = 0; /* == -1 means allocation failed. */
   public:
+  int allocated = 0; /* == -1 means allocation failed. */
   unsigned int length = 0;
   public:
   Type *arrayZ = nullptr;
@@ -82,6 +84,9 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     allocated = length = 0;
     arrayZ = nullptr;
   }
+  void init0 ()
+  {
+  }
 
   void fini ()
   {
@@ -93,7 +98,11 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   void reset ()
   {
     if (unlikely (in_error ()))
-      allocated = length; // Big hack!
+      /* Big Hack! We don't know the true allocated size before
+       * an allocation failure happened. But we know it was at
+       * least as big as length. Restore it to that and continue
+       * as if error did not happen. */
+      allocated = length;
     resize (0);
   }
 
@@ -108,7 +117,10 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   {
     reset ();
     alloc (o.length);
-    hb_copy (o, *this);
+    if (unlikely (in_error ())) return *this;
+
+    copy_vector (o);
+
     return *this;
   }
   hb_vector_t& operator = (hb_vector_t &&o)
@@ -118,7 +130,7 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   }
 
   hb_bytes_t as_bytes () const
-  { return hb_bytes_t ((const char *) arrayZ, length * item_size); }
+  { return hb_bytes_t ((const char *) arrayZ, get_size ()); }
 
   bool operator == (const hb_vector_t &o) const { return as_array () == o.as_array (); }
   bool operator != (const hb_vector_t &o) const { return !(*this == o); }
@@ -160,14 +172,10 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   operator   iter_t () const { return   iter (); }
   operator writer_t ()       { return writer (); }
 
-  c_array_t sub_array (unsigned int start_offset, unsigned int count) const
-  { return as_array ().sub_array (start_offset, count); }
-  c_array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) const
-  { return as_array ().sub_array (start_offset, count); }
-  array_t sub_array (unsigned int start_offset, unsigned int count)
-  { return as_array ().sub_array (start_offset, count); }
-  array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */)
-  { return as_array ().sub_array (start_offset, count); }
+  /* Faster range-based for loop. */
+  Type *begin () const { return arrayZ; }
+  Type *end () const { return arrayZ + length; }
+
 
   hb_sorted_array_t<Type> as_sorted_array ()
   { return hb_sorted_array (arrayZ, length); }
@@ -184,12 +192,14 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   {
     if (unlikely (!resize (length + 1)))
       return &Crap (Type);
-    return &arrayZ[length - 1];
+    return std::addressof (arrayZ[length - 1]);
   }
-  template <typename T>
+  template <typename T,
+	    typename T2 = Type,
+	    hb_enable_if (!std::is_copy_constructible<T2>::value &&
+			  std::is_copy_assignable<T>::value)>
   Type *push (T&& v)
   {
-    /* TODO Emplace? */
     Type *p = push ();
     if (p == &Crap (Type))
       // If push failed to allocate then don't copy v, since this may cause
@@ -199,18 +209,34 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     *p = std::forward<T> (v);
     return p;
   }
+  template <typename T,
+	    typename T2 = Type,
+	    hb_enable_if (std::is_copy_constructible<T2>::value)>
+  Type *push (T&& v)
+  {
+    if (unlikely (!alloc (length + 1)))
+      // If push failed to allocate then don't copy v, since this may cause
+      // the created copy to leak memory since we won't have stored a
+      // reference to it.
+      return &Crap (Type);
+
+    /* Emplace. */
+    length++;
+    Type *p = std::addressof (arrayZ[length - 1]);
+    return new (p) Type (std::forward<T> (v));
+  }
 
   bool in_error () const { return allocated < 0; }
 
   template <typename T = Type,
-	    hb_enable_if (std::is_trivially_copy_assignable<T>::value)>
+	    hb_enable_if (hb_is_trivially_copy_assignable(T))>
   Type *
   realloc_vector (unsigned new_allocated)
   {
     return (Type *) hb_realloc (arrayZ, new_allocated * sizeof (Type));
   }
   template <typename T = Type,
-	    hb_enable_if (!std::is_trivially_copy_assignable<T>::value)>
+	    hb_enable_if (!hb_is_trivially_copy_assignable(T))>
   Type *
   realloc_vector (unsigned new_allocated)
   {
@@ -218,20 +244,18 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     if (likely (new_array))
     {
       for (unsigned i = 0; i < length; i++)
+      {
 	new (std::addressof (new_array[i])) Type ();
-      for (unsigned i = 0; i < (unsigned) length; i++)
 	new_array[i] = std::move (arrayZ[i]);
-      unsigned old_length = length;
-      shrink_vector (0);
-      length = old_length;
+	arrayZ[i].~Type ();
+      }
       hb_free (arrayZ);
     }
     return new_array;
   }
 
   template <typename T = Type,
-	    hb_enable_if (std::is_trivially_constructible<T>::value ||
-			  !std::is_default_constructible<T>::value)>
+	    hb_enable_if (hb_is_trivially_constructible(T))>
   void
   grow_vector (unsigned size)
   {
@@ -239,8 +263,7 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     length = size;
   }
   template <typename T = Type,
-	    hb_enable_if (!std::is_trivially_constructible<T>::value &&
-			   std::is_default_constructible<T>::value)>
+	    hb_enable_if (!hb_is_trivially_constructible(T))>
   void
   grow_vector (unsigned size)
   {
@@ -252,14 +275,50 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   }
 
   template <typename T = Type,
-	    hb_enable_if (std::is_trivially_destructible<T>::value)>
+	    hb_enable_if (hb_is_trivially_copyable (T))>
   void
-  shrink_vector (unsigned size)
+  copy_vector (const hb_vector_t &other)
   {
-    length = size;
+    length = other.length;
+#ifndef HB_OPTIMIZE_SIZE
+    if (sizeof (T) >= sizeof (long long))
+      /* This runs faster because of alignment. */
+      for (unsigned i = 0; i < length; i++)
+	arrayZ[i] = other.arrayZ[i];
+    else
+#endif
+       hb_memcpy ((void *) arrayZ, (const void *) other.arrayZ, length * item_size);
+  }
+  template <typename T = Type,
+	    hb_enable_if (!hb_is_trivially_copyable (T) &&
+			   std::is_copy_constructible<T>::value)>
+  void
+  copy_vector (const hb_vector_t &other)
+  {
+    length = 0;
+    while (length < other.length)
+    {
+      length++;
+      new (std::addressof (arrayZ[length - 1])) Type (other.arrayZ[length - 1]);
+    }
   }
   template <typename T = Type,
-	    hb_enable_if (!std::is_trivially_destructible<T>::value)>
+	    hb_enable_if (!hb_is_trivially_copyable (T) &&
+			  !std::is_copy_constructible<T>::value &&
+			  std::is_default_constructible<T>::value &&
+			  std::is_copy_assignable<T>::value)>
+  void
+  copy_vector (const hb_vector_t &other)
+  {
+    length = 0;
+    while (length < other.length)
+    {
+      length++;
+      new (std::addressof (arrayZ[length - 1])) Type ();
+      arrayZ[length - 1] = other.arrayZ[length - 1];
+    }
+  }
+
   void
   shrink_vector (unsigned size)
   {
@@ -270,17 +329,6 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     }
   }
 
-  template <typename T = Type,
-	    hb_enable_if (std::is_trivially_copy_assignable<T>::value)>
-  void
-  shift_down_vector (unsigned i)
-  {
-    memmove (static_cast<void *> (&arrayZ[i - 1]),
-	     static_cast<void *> (&arrayZ[i]),
-	     (length - i) * sizeof (Type));
-  }
-  template <typename T = Type,
-	    hb_enable_if (!std::is_trivially_copy_assignable<T>::value)>
   void
   shift_down_vector (unsigned i)
   {
@@ -323,16 +371,22 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
     return true;
   }
 
-  bool resize (int size_)
+  bool resize (int size_, bool initialize = true)
   {
     unsigned int size = size_ < 0 ? 0u : (unsigned int) size_;
     if (!alloc (size))
       return false;
 
     if (size > length)
-      grow_vector (size);
+    {
+      if (initialize)
+	grow_vector (size);
+    }
     else if (size < length)
-      shrink_vector (size);
+    {
+      if (initialize)
+	shrink_vector (size);
+    }
 
     length = size;
     return true;
@@ -341,18 +395,30 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
   Type pop ()
   {
     if (!length) return Null (Type);
-    Type v = std::move (arrayZ[length - 1]);
+    Type v {std::move (arrayZ[length - 1])};
     arrayZ[length - 1].~Type ();
     length--;
     return v;
   }
 
-  void remove (unsigned int i)
+  void remove_ordered (unsigned int i)
   {
     if (unlikely (i >= length))
       return;
-    arrayZ[i].~Type ();
     shift_down_vector (i + 1);
+    arrayZ[length - 1].~Type ();
+    length--;
+  }
+
+  template <bool Sorted = sorted,
+	    hb_enable_if (!Sorted)>
+  void remove_unordered (unsigned int i)
+  {
+    if (unlikely (i >= length))
+      return;
+    if (i != length - 1)
+      arrayZ[i] = std::move (arrayZ[length - 1]);
+    arrayZ[length - 1].~Type ();
     length--;
   }
 
@@ -367,10 +433,8 @@ struct hb_vector_t : std::conditional<sorted, hb_vector_t<Type, false>, hb_empty
 
 
   /* Sorting API. */
-  void qsort (int (*cmp)(const void*, const void*))
+  void qsort (int (*cmp)(const void*, const void*) = Type::cmp)
   { as_array ().qsort (cmp); }
-  void qsort (unsigned int start = 0, unsigned int end = (unsigned int) -1)
-  { as_array ().qsort (start, end); }
 
   /* Unsorted search API. */
   template <typename T>
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-version.h b/src/3rdparty/harfbuzz-ng/src/hb-version.h
index 94c73e15bf..1070262a3b 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-version.h
+++ b/src/3rdparty/harfbuzz-ng/src/hb-version.h
@@ -41,26 +41,26 @@ HB_BEGIN_DECLS
  *
  * The major component of the library version available at compile-time.
  */
-#define HB_VERSION_MAJOR 4
+#define HB_VERSION_MAJOR 6
 /**
  * HB_VERSION_MINOR:
  *
  * The minor component of the library version available at compile-time.
  */
-#define HB_VERSION_MINOR 2
+#define HB_VERSION_MINOR 0
 /**
  * HB_VERSION_MICRO:
  *
  * The micro component of the library version available at compile-time.
  */
-#define HB_VERSION_MICRO 1
+#define HB_VERSION_MICRO 0
 
 /**
  * HB_VERSION_STRING:
  *
  * A string literal containing the library version available at compile-time.
  */
-#define HB_VERSION_STRING "4.2.1"
+#define HB_VERSION_STRING "6.0.0"
 
 /**
  * HB_VERSION_ATLEAST:
diff --git a/src/3rdparty/harfbuzz-ng/src/hb.hh b/src/3rdparty/harfbuzz-ng/src/hb.hh
index b9f5f71415..410d090d36 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb.hh
@@ -29,7 +29,6 @@
 #ifndef HB_HH
 #define HB_HH
 
-
 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC
 #ifdef _MSC_VER
 #pragma warning( disable: 4068 ) /* Unknown pragma */
@@ -65,6 +64,7 @@
 #pragma GCC diagnostic error   "-Wbitwise-instead-of-logical"
 #pragma GCC diagnostic error   "-Wcast-align"
 #pragma GCC diagnostic error   "-Wcast-function-type"
+#pragma GCC diagnostic error   "-Wcomma"
 #pragma GCC diagnostic error   "-Wdelete-non-virtual-dtor"
 #pragma GCC diagnostic error   "-Wembedded-directive"
 #pragma GCC diagnostic error   "-Wextra-semi-stmt"
@@ -126,6 +126,7 @@
 /* Ignored intentionally. */
 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
 #pragma GCC diagnostic ignored "-Wclass-memaccess"
+#pragma GCC diagnostic ignored "-Wcast-function-type-strict" // https://github.com/harfbuzz/harfbuzz/pull/3859#issuecomment-1295409126
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 #pragma GCC diagnostic ignored "-Wformat-zero-length"
 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
@@ -183,7 +184,7 @@
 #include <cassert>
 #include <cfloat>
 #include <climits>
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)
 # define _USE_MATH_DEFINES
 #endif
 #include <cmath>
@@ -470,6 +471,7 @@ static_assert ((sizeof (hb_var_int_t) == 4), "");
 /* Headers we include for everyone.  Keep topologically sorted by dependency.
  * They express dependency amongst themselves, but no other file should include
  * them directly.*/
+#include "hb-cplusplus.hh"
 #include "hb-meta.hh"
 #include "hb-mutex.hh"
 #include "hb-number.hh"
diff --git a/src/3rdparty/harfbuzz-ng/src/main.cc b/src/3rdparty/harfbuzz-ng/src/main.cc
index 7a7614f7b6..bb18ebe386 100644
--- a/src/3rdparty/harfbuzz-ng/src/main.cc
+++ b/src/3rdparty/harfbuzz-ng/src/main.cc
@@ -58,7 +58,8 @@ svg_dump (hb_face_t *face, unsigned face_index)
     const char *data = hb_blob_get_data (blob, &length);
 
     char output_path[255];
-    sprintf (output_path, "out/svg-%u-%u.svg%s",
+    snprintf (output_path, sizeof output_path,
+	     "out/svg-%u-%u.svg%s",
 	     glyph_id,
 	     face_index,
 	     // append "z" if the content is gzipped, https://stackoverflow.com/a/6059405
@@ -112,7 +113,7 @@ png_dump (hb_face_t *face, unsigned face_index)
 	const char *data = hb_blob_get_data (blob, &length);
 
 	char output_path[255];
-	sprintf (output_path, "out/png-%u-%u-%u.png", glyph_id, strike, face_index);
+	snprintf (output_path, sizeof output_path, "out/png-%u-%u-%u.png", glyph_id, strike, face_index);
 
 	FILE *f = fopen (output_path, "wb");
 	fwrite (data, 1, length, f);
@@ -224,7 +225,7 @@ layered_glyph_dump (hb_font_t *font, hb_draw_funcs_t *funcs, unsigned face_index
 	}
 
 	char output_path[255];
-	sprintf (output_path, "out/colr-%u-%u-%u.svg", gid, palette, face_index);
+	snprintf (output_path, sizeof output_path, "out/colr-%u-%u-%u.svg", gid, palette, face_index);
 	FILE *f = fopen (output_path, "wb");
 	fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
 		    " viewBox=\"%d %d %d %d\">\n",
@@ -274,7 +275,7 @@ dump_glyphs (hb_font_t *font, hb_draw_funcs_t *funcs, unsigned face_index)
     }
 
     char output_path[255];
-    sprintf (output_path, "out/%u-%u.svg", face_index, gid);
+    snprintf (output_path, sizeof output_path, "out/%u-%u.svg", face_index, gid);
     FILE *f = fopen (output_path, "wb");
     fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
 		" viewBox=\"%d %d %d %d\"><path d=\"",
@@ -492,12 +493,12 @@ print_layout_info_using_private_api (hb_blob_t *blob)
 		  gdef.has_glyph_classes () ? "" : "no ");
 	printf ("    Has %smark attachment types\n",
 		  gdef.has_mark_attachment_types () ? "" : "no ");
-	printf ("    Has %sattach points\n",
-		  gdef.has_attach_points () ? "" : "no ");
+	printf ("    Has %sattach list\n",
+		  gdef.has_attach_list () ? "" : "no ");
 	printf ("    Has %slig carets\n",
 		  gdef.has_lig_carets () ? "" : "no ");
-	printf ("    Has %smark sets\n",
-		  gdef.has_mark_sets () ? "" : "no ");
+	printf ("    Has %smark glyph sets\n",
+		  gdef.has_mark_glyph_sets () ? "" : "no ");
 	break;
 	}
       }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-algs.cc b/src/3rdparty/harfbuzz-ng/src/test-algs.cc
index f8b8ff6668..450a7c439b 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-algs.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-algs.cc
@@ -26,6 +26,7 @@
 
 #include "hb.hh"
 #include "hb-algs.hh"
+#include "hb-set.hh"
 
 
 static char *
@@ -91,5 +92,19 @@ main (int argc, char **argv)
   assert (++hb_inc (x) == 3);
   assert (x == 3);
 
+  hb_set_t set1 {1};
+  hb_set_t set2 {2};
+
+  assert (hb_hash (set1) != hb_hash (set2));
+  assert (hb_hash (set1) == hb_hash (hb_set_t {1}));
+  assert (hb_hash (set1) != hb_hash (hb_set_t {}));
+  assert (hb_hash (set1) != hb_hash (hb_set_t {2}));
+  assert (hb_hash (set2) == hb_hash (hb_set_t {2}));
+
+  /* hb_hash, unlike std::hash, dereferences pointers. */
+  assert (hb_hash (set1) == hb_hash (&set1));
+  assert (hb_hash (set1) == hb_hash (hb::shared_ptr<hb_set_t> {hb_set_reference (&set1)}));
+  assert (hb_hash (set1) == hb_hash (hb::unique_ptr<hb_set_t> {hb_set_reference (&set1)}));
+
   return 0;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-array.cc b/src/3rdparty/harfbuzz-ng/src/test-array.cc
index 6c888138e7..28cd023646 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-array.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-array.cc
@@ -70,6 +70,9 @@ test_reverse_invalid ()
 int
 main (int argc, char **argv)
 {
+  /* The following fails on MSVC. */
+  // assert (sizeof (hb_array_t<int>) == sizeof (hb_sorted_array_t<int>));
+
   test_reverse ();
   test_reverse_range ();
   test_reverse_invalid ();
diff --git a/src/3rdparty/harfbuzz-ng/src/test-buffer-serialize.cc b/src/3rdparty/harfbuzz-ng/src/test-buffer-serialize.cc
index 8d5a694275..8a887922be 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-buffer-serialize.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-buffer-serialize.cc
@@ -43,10 +43,8 @@ main (int argc, char **argv)
 
 #ifndef HB_NO_BUFFER_SERIALIZE
 
-  if (argc != 2) {
-    fprintf (stderr, "usage: %s font-file\n", argv[0]);
-    exit (1);
-  }
+  if (argc < 2)
+    argv[1] = (char *) "/dev/null";
 
   hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
   assert (blob);
@@ -58,7 +56,7 @@ main (int argc, char **argv)
   hb_font_t *font = hb_font_create (face);
   hb_face_destroy (face);
   hb_font_set_scale (font, upem, upem);
-  hb_ot_font_set_funcs (font);
+  //hb_ot_font_set_funcs (font);
 #ifdef HAVE_FREETYPE
   //hb_ft_font_set_funcs (font);
 #endif
@@ -75,15 +73,15 @@ main (int argc, char **argv)
     while (hb_buffer_deserialize_glyphs (buf,
 					 p, -1, &p,
 					 font,
-					 HB_BUFFER_SERIALIZE_FORMAT_JSON))
+					 HB_BUFFER_SERIALIZE_FORMAT_TEXT))
       ;
     if (*p && *p != '\n')
       ret = false;
 
     hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),
 				out, sizeof (out), nullptr,
-				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,
-				HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
+				font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
+				HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS);
     puts (out);
   }
 
diff --git a/src/3rdparty/harfbuzz-ng/src/test-iter.cc b/src/3rdparty/harfbuzz-ng/src/test-iter.cc
index dc85b72147..bb966d4c9c 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-iter.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-iter.cc
@@ -31,7 +31,6 @@
 #include "hb-set.hh"
 #include "hb-ot-layout-common.hh"
 
-
 template <typename T>
 struct array_iter_t : hb_iter_with_fallback_t<array_iter_t<T>, T&>
 {
@@ -226,7 +225,7 @@ main (int argc, char **argv)
   test_iterable<hb_sorted_array_t<const int>> ();
   test_iterable<hb_vector_t<float>> ();
   test_iterable<hb_set_t> ();
-  test_iterable<OT::Coverage> ();
+  test_iterable<OT::Array16Of<OT::HBUINT16>> ();
 
   test_iterator (hb_zip (st, v));
   test_iterator_non_default_constructable (hb_enumerate (st));
@@ -320,13 +319,36 @@ main (int argc, char **argv)
   ;
   /* The result should be something like 0->10, 1->11, ..., 9->19 */
   assert (hb_map_get (result, 9) == 19);
+  hb_map_destroy (result);
+
+  /* Like above, but passing hb_set_t instead of hb_set_t * */
+  temp1 = 10;
+  temp2 = 0;
+  result =
+  + hb_iter (src)
+  | hb_map ([&] (int i) -> hb_set_t
+	    {
+	      hb_set_t set;
+	      for (unsigned int i = 0; i < temp1; ++i)
+		hb_set_add (&set, i);
+	      temp1++;
+	      return set;
+	    })
+  | hb_reduce ([&] (hb_map_t *acc, hb_set_t value) -> hb_map_t *
+	       {
+		 hb_map_set (acc, temp2++, hb_set_get_population (&value));
+		 return acc;
+	       }, hb_map_create ())
+  ;
+  /* The result should be something like 0->10, 1->11, ..., 9->19 */
+  assert (hb_map_get (result, 9) == 19);
+  hb_map_destroy (result);
 
   unsigned int temp3 = 0;
   + hb_iter(src)
   | hb_map([&] (int i) { return ++temp3; })
   | hb_reduce([&] (float acc, int value) { return acc + value; }, 0)
   ;
-  hb_map_destroy (result);
 
   + hb_iter (src)
   | hb_drain
diff --git a/src/3rdparty/harfbuzz-ng/src/test-map.cc b/src/3rdparty/harfbuzz-ng/src/test-map.cc
index fd2b2f0e64..da77a2f6c4 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-map.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-map.cc
@@ -20,15 +20,13 @@
  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
  */
 
 #include "hb.hh"
 #include "hb-map.hh"
+#include "hb-set.hh"
 #include <string>
 
-static const std::string invalid{"invalid"};
-
 int
 main (int argc, char **argv)
 {
@@ -57,13 +55,21 @@ main (int argc, char **argv)
 
   /* Test move constructor. */
   {
-    hb_map_t v {hb_map_t {}};
+    hb_map_t s {};
+    s.set (1, 2);
+    hb_map_t v (std::move (s));
+    assert (s.get_population () == 0);
+    assert (v.get_population () == 1);
   }
 
   /* Test move assignment. */
   {
+    hb_map_t s {};
+    s.set (1, 2);
     hb_map_t v;
-    v = hb_map_t {};
+    v = std::move (s);
+    assert (s.get_population () == 0);
+    assert (v.get_population () == 1);
   }
 
   /* Test initializing from iterable. */
@@ -73,9 +79,15 @@ main (int argc, char **argv)
     s.set (1, 2);
     s.set (3, 4);
 
-    hb_map_t v (s);
+    hb_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> v (s);
+    hb_map_t v0 (v);
+    hb_map_t v1 (s);
+    hb_map_t v2 (std::move (s));
 
-    assert (v.get_population () == 2);
+    assert (s.get_population () == 0);
+    assert (v0.get_population () == 2);
+    assert (v1.get_population () == 2);
+    assert (v2.get_population () == 2);
   }
 
   /* Test call fini() twice. */
@@ -110,19 +122,19 @@ main (int argc, char **argv)
 
   /* Test class key / value types. */
   {
-    hb_hashmap_t<hb_bytes_t, int, std::nullptr_t, int, nullptr, 0> m1;
-    hb_hashmap_t<int, hb_bytes_t, int, std::nullptr_t, 0, nullptr> m2;
-    hb_hashmap_t<hb_bytes_t, hb_bytes_t, std::nullptr_t, std::nullptr_t, nullptr, nullptr> m3;
+    hb_hashmap_t<hb_bytes_t, int> m1;
+    hb_hashmap_t<int, hb_bytes_t> m2;
+    hb_hashmap_t<hb_bytes_t, hb_bytes_t> m3;
     assert (m1.get_population () == 0);
     assert (m2.get_population () == 0);
     assert (m3.get_population () == 0);
   }
 
   {
-    hb_hashmap_t<int, int, int, int, 0, 0> m0;
-    hb_hashmap_t<std::string, int, const std::string*, int, &invalid, 0> m1;
-    hb_hashmap_t<int, std::string, int, const std::string*, 0, &invalid> m2;
-    hb_hashmap_t<std::string, std::string, const std::string*, const std::string*, &invalid, &invalid> m3;
+    hb_hashmap_t<int, int> m0;
+    hb_hashmap_t<std::string, int> m1;
+    hb_hashmap_t<int, std::string> m2;
+    hb_hashmap_t<std::string, std::string> m3;
 
     std::string s;
     for (unsigned i = 1; i < 1000; i++)
@@ -135,5 +147,160 @@ main (int argc, char **argv)
     }
   }
 
+  /* Test hashing maps. */
+  {
+    using pair = hb_pair_t<hb_codepoint_t, hb_codepoint_t>;
+
+    hb_hashmap_t<hb_map_t, hb_map_t> m1;
+
+    m1.set (hb_map_t (), hb_map_t {});
+    m1.set (hb_map_t (), hb_map_t {pair (1u, 2u)});
+    m1.set (hb_map_t {pair (1u, 2u)}, hb_map_t {pair (2u, 3u)});
+
+    assert (m1.get (hb_map_t ()) == hb_map_t {pair (1u, 2u)});
+    assert (m1.get (hb_map_t {pair (1u, 2u)}) == hb_map_t {pair (2u, 3u)});
+  }
+
+  /* Test hashing sets. */
+  {
+    hb_hashmap_t<hb_set_t, hb_set_t> m1;
+
+    m1.set (hb_set_t (), hb_set_t ());
+    m1.set (hb_set_t (), hb_set_t {1});
+    m1.set (hb_set_t {1, 1000}, hb_set_t {2});
+
+    assert (m1.get (hb_set_t ()) == hb_set_t {1});
+    assert (m1.get (hb_set_t {1000, 1}) == hb_set_t {2});
+  }
+
+  /* Test hashing vectors. */
+  {
+    using vector_t = hb_vector_t<unsigned>;
+
+    hb_hashmap_t<vector_t, vector_t> m1;
+
+    m1.set (vector_t (), vector_t {1});
+    m1.set (vector_t {1}, vector_t {2});
+
+    m1 << hb_pair_t<vector_t, vector_t> {vector_t {2}, vector_t ()};
+
+    assert (m1.get (vector_t ()) == vector_t {1});
+    assert (m1.get (vector_t {1}) == vector_t {2});
+  }
+
+  /* Test moving values */
+  {
+    using vector_t = hb_vector_t<unsigned>;
+
+    hb_hashmap_t<vector_t, vector_t> m1;
+    vector_t v {3};
+    assert (v.length == 1);
+    m1 << hb_pair_t<vector_t, vector_t> {vector_t {3}, v};
+    assert (v.length == 1);
+    m1 << hb_pair_t<vector_t, vector_t&&> {vector_t {4}, std::move (v)};
+    assert (v.length == 0);
+    m1 << hb_pair_t<vector_t&&, vector_t> {vector_t {4}, vector_t {5}};
+    m1 << hb_pair_t<vector_t&&, vector_t&&> {vector_t {4}, vector_t {5}};
+
+    hb_hashmap_t<vector_t, vector_t> m2;
+    vector_t v2 {3};
+    m2.set (vector_t {4}, v2);
+    assert (v2.length == 1);
+    m2.set (vector_t {5}, std::move (v2));
+    assert (v2.length == 0);
+  }
+
+  /* Test hb::shared_ptr. */
+  {
+    hb_hashmap_t<hb::shared_ptr<hb_set_t>, hb::shared_ptr<hb_set_t>> m;
+
+    m.set (hb::shared_ptr<hb_set_t> (hb_set_get_empty ()),
+	   hb::shared_ptr<hb_set_t> (hb_set_get_empty ()));
+    m.get (hb::shared_ptr<hb_set_t> (hb_set_get_empty ()));
+    m.iter ();
+    m.keys ();
+    m.values ();
+    m.iter_ref ();
+    m.keys_ref ();
+    m.values_ref ();
+  }
+  /* Test hb::unique_ptr. */
+  {
+    hb_hashmap_t<hb::unique_ptr<hb_set_t>, hb::unique_ptr<hb_set_t>> m;
+
+    m.set (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()),
+           hb::unique_ptr<hb_set_t> (hb_set_get_empty ()));
+    m.get (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()));
+    hb::unique_ptr<hb_set_t> *v;
+    m.has (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()), &v);
+    m.iter_ref ();
+    m.keys_ref ();
+    m.values_ref ();
+  }
+  /* Test more complex unique_ptr's. */
+  {
+    hb_hashmap_t<int, hb::unique_ptr<hb_hashmap_t<int, int>>> m;
+
+    m.get (0);
+    const hb::unique_ptr<hb_hashmap_t<int, int>> *v1;
+    m.has (0, &v1);
+    hb::unique_ptr<hb_hashmap_t<int, int>> *v2;
+    m.has (0, &v2);
+  }
+  /* Test hashmap with complex shared_ptrs as keys. */
+  {
+    hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> m;
+
+    hb_map_t *m1 = hb_map_create ();
+    hb_map_t *m2 = hb_map_create ();
+    m1->set (1,3);
+    m2->set (1,3);
+
+    hb::shared_ptr<hb_map_t> p1 {m1};
+    hb::shared_ptr<hb_map_t> p2 {m2};
+    m.set (p1,1);
+
+    assert (m.has (p2));
+
+    m1->set (2,4);
+    assert (!m.has (p2));
+  }
+  /* Test value type with hb_bytes_t. */
+  {
+    hb_hashmap_t<int, hb_bytes_t> m;
+    char c_str[] = "Test";
+    hb_bytes_t bytes (c_str);
+
+    m.set (1, bytes);
+    assert (m.has (1));
+  }
+  /* Test operators. */
+  {
+    hb_map_t m1, m2, m3;
+    m1.set (1, 2);
+    m1.set (2, 4);
+    m2.set (1, 2);
+    m2.set (2, 4);
+    m3.set (1, 3);
+    m3.set (3, 5);
+
+    assert (m1 == m2);
+    assert (m1 != m3);
+    assert (!(m2 == m3));
+
+    m2 = m3;
+    assert (m2.has (1));
+    assert (!m2.has (2));
+    assert (m2.has (3));
+
+    assert (m3.has (3));
+  }
+  /* Test reset. */
+  {
+    hb_hashmap_t<int, hb_set_t> m;
+    m.set (1, hb_set_t {1, 2, 3});
+    m.reset ();
+  }
+
   return 0;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-ot-glyphname.cc b/src/3rdparty/harfbuzz-ng/src/test-ot-glyphname.cc
index 50d023166f..ec6e149a56 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-ot-glyphname.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-ot-glyphname.cc
@@ -85,5 +85,5 @@ main (int argc, char **argv)
   hb_font_destroy (font);
   hb_face_destroy (face);
 
-  return result;
+  return !result;
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-priority-queue.cc b/src/3rdparty/harfbuzz-ng/src/test-priority-queue.cc
index fab63acb63..e83d72c7ea 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-priority-queue.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-priority-queue.cc
@@ -73,17 +73,9 @@ test_extract ()
   assert (queue.is_empty ());
 }
 
-static void
-test_extract_empty ()
-{
-  hb_priority_queue_t queue;
-  assert (queue.pop_minimum () == hb_pair (0, 0));
-}
-
 int
 main (int argc, char **argv)
 {
   test_insert ();
   test_extract ();
-  test_extract_empty ();
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-repacker.cc b/src/3rdparty/harfbuzz-ng/src/test-repacker.cc
index 3a2536a29a..94ff0849a6 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-repacker.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-repacker.cc
@@ -28,17 +28,24 @@
 
 #include "hb-repacker.hh"
 #include "hb-open-type.hh"
+#include "graph/serialize.hh"
+
+static void extend (const char* value,
+                    unsigned len,
+                    hb_serialize_context_t* c)
+{
+  char* obj = c->allocate_size<char> (len);
+  hb_memcpy (obj, value, len);
+}
 
 static void start_object(const char* tag,
                          unsigned len,
                          hb_serialize_context_t* c)
 {
   c->push ();
-  char* obj = c->allocate_size<char> (len);
-  strncpy (obj, tag, len);
+  extend (tag, len, c);
 }
 
-
 static unsigned add_object(const char* tag,
                            unsigned len,
                            hb_serialize_context_t* c)
@@ -56,6 +63,14 @@ static void add_offset (unsigned id,
   c->add_link (*offset, id);
 }
 
+static void add_24_offset (unsigned id,
+                           hb_serialize_context_t* c)
+{
+  OT::Offset24* offset = c->start_embed<OT::Offset24> ();
+  c->extend_min (offset);
+  c->add_link (*offset, id);
+}
+
 static void add_wide_offset (unsigned id,
                              hb_serialize_context_t* c)
 {
@@ -64,35 +79,401 @@ static void add_wide_offset (unsigned id,
   c->add_link (*offset, id);
 }
 
+static void add_gsubgpos_header (unsigned lookup_list,
+                                 hb_serialize_context_t* c)
+{
+  char header[] = {
+    0, 1, // major
+    0, 0, // minor
+    0, 0, // script list
+    0, 0, // feature list
+  };
+
+  start_object (header, 8, c);
+  add_offset (lookup_list, c);
+  c->pop_pack (false);
+}
+
+static unsigned add_lookup_list (const unsigned* lookups,
+                                 char count,
+                                 hb_serialize_context_t* c)
+{
+  char lookup_count[] = {0, count};
+  start_object  ((char *) &lookup_count, 2, c);
+
+  for (int i = 0; i < count; i++)
+    add_offset (lookups[i], c);
+
+  return c->pop_pack (false);
+}
+
+static void start_lookup (int8_t type,
+                          int8_t num_subtables,
+                          hb_serialize_context_t* c)
+{
+  char lookup[] = {
+    0, (char)type, // type
+    0, 0, // flag
+    0, (char)num_subtables, // num subtables
+  };
+
+  start_object (lookup, 6, c);
+}
+
+static unsigned finish_lookup (hb_serialize_context_t* c)
+{
+  char filter[] = {0, 0};
+  extend (filter, 2, c);
+  return c->pop_pack (false);
+}
+
+static unsigned add_extension (unsigned child,
+                               uint8_t type,
+                               hb_serialize_context_t* c)
+{
+  char ext[] = {
+    0, 1,
+    0, (char) type,
+  };
+
+  start_object (ext, 4, c);
+  add_wide_offset (child, c);
+
+  return c->pop_pack (false);
+
+}
+
+// Adds coverage table fro [start, end]
+static unsigned add_coverage (unsigned start, unsigned end,
+                              hb_serialize_context_t* c)
+{
+  if (end - start == 1)
+  {
+    uint8_t coverage[] = {
+      0, 1, // format
+      0, 2, // count
+
+      (uint8_t) ((start >> 8) & 0xFF),
+      (uint8_t) (start & 0xFF), // glyph[0]
+
+      (uint8_t) ((end >> 8) & 0xFF),
+      (uint8_t) (end & 0xFF), // glyph[1]
+    };
+    return add_object ((char*) coverage, 8, c);
+  }
+
+  uint8_t coverage[] = {
+    0, 2, // format
+    0, 1, // range count
+
+    (uint8_t) ((start >> 8) & 0xFF),
+    (uint8_t) (start & 0xFF), // start
+
+    (uint8_t) ((end >> 8) & 0xFF),
+    (uint8_t) (end & 0xFF), // end
+
+    0, 0,
+  };
+  return add_object ((char*) coverage, 10, c);
+}
+
+
+template<typename It>
+static unsigned add_coverage (It it,
+                              hb_serialize_context_t* c)
+{
+  c->push ();
+  OT::Layout::Common::Coverage_serialize (c, it);
+  return c->pop_pack (false);
+}
+
+// Adds a class that maps glyphs from [start_glyph, end_glyph)
+// to classes 1...n
+static unsigned add_class_def (uint16_t start_glyph,
+                               uint16_t end_glyph,
+                               hb_serialize_context_t* c)
+{
+  unsigned count = end_glyph - start_glyph;
+  uint8_t header[] = {
+    0, 1, // format
+
+    (uint8_t) ((start_glyph >> 8) & 0xFF),
+    (uint8_t) (start_glyph & 0xFF), // start_glyph
+
+    (uint8_t) ((count >> 8) & 0xFF),
+    (uint8_t) (count & 0xFF), // count
+  };
+
+  start_object ((char*) header, 6, c);
+  for (uint16_t i = 1; i <= count; i++)
+  {
+    uint8_t class_value[] = {
+      (uint8_t) ((i >> 8) & 0xFF),
+      (uint8_t) (i & 0xFF), // count
+    };
+    extend ((char*) class_value, 2, c);
+  }
+
+  return c->pop_pack (false);
+}
+
+static unsigned add_pair_pos_1 (unsigned* pair_sets,
+                                char count,
+                                unsigned coverage,
+                                hb_serialize_context_t* c)
+{
+  char format[] = {
+    0, 1
+  };
+
+  start_object (format, 2, c);
+  add_offset (coverage, c);
+
+  char value_format[] = {
+    0, 0,
+    0, 0,
+    0, count,
+  };
+  extend (value_format, 6, c);
+
+  for (char i = 0; i < count; i++)
+    add_offset (pair_sets[(unsigned) i], c);
+
+  return c->pop_pack (false);
+}
+
+static unsigned add_pair_pos_2 (unsigned starting_class,
+                                unsigned coverage,
+                                unsigned class_def_1, uint16_t class_def_1_count,
+                                unsigned class_def_2, uint16_t class_def_2_count,
+                                unsigned* device_tables,
+                                hb_serialize_context_t* c)
+{
+  uint8_t format[] = {
+    0, 2
+  };
+
+  start_object ((char*) format, 2, c);
+  add_offset (coverage, c);
+
+  unsigned num_values = 4;
+  uint8_t format1 = 0x01 | 0x02 | 0x08;
+  uint8_t format2 = 0x04;
+  if (device_tables) {
+    format2 |= 0x20;
+    num_values += 1;
+  }
+  uint8_t value_format[] = {
+    0, format1,
+    0, format2,
+  };
+
+  extend ((char*) value_format, 4, c);
+
+  add_offset (class_def_1, c);
+  add_offset (class_def_2, c);
+
+  uint8_t class_counts[] = {
+    (uint8_t) ((class_def_1_count >> 8) & 0xFF),
+    (uint8_t) (class_def_1_count & 0xFF),
+    (uint8_t) ((class_def_2_count >> 8) & 0xFF),
+    (uint8_t) (class_def_2_count & 0xFF),
+  };
+  extend ((char*) class_counts, 4, c);
+
+  unsigned num_bytes_per_record = class_def_2_count * num_values * 2;
+  uint8_t* record = (uint8_t*) calloc (1, num_bytes_per_record);
+  int device_index = 0;
+  for (uint16_t i = 0; i < class_def_1_count; i++)
+  {
+
+    for (uint16_t j = 0; j < class_def_2_count; j++)
+    {
+      for (int k = 0; k < 4; k++) {
+        uint8_t value[] = {
+          (uint8_t) (i + starting_class),
+          (uint8_t) (i + starting_class),
+        };
+        extend ((char*) value, 2, c);
+      }
+
+      if (device_tables) {
+        add_offset (device_tables[device_index++], c);
+      }
+    }
+  }
+  free (record);
+
+  return c->pop_pack (false);
+}
+
+static unsigned add_mark_base_pos_1 (unsigned mark_coverage,
+                                     unsigned base_coverage,
+                                     unsigned mark_array,
+                                     unsigned base_array,
+                                     unsigned class_count,
+                                     hb_serialize_context_t* c)
+{
+  uint8_t format[] = {
+    0, 1
+  };
+
+  start_object ((char*) format, 2, c);
+  add_offset (mark_coverage, c);
+  add_offset (base_coverage, c);
+
+  uint8_t count[] = {
+    (uint8_t) ((class_count >> 8) & 0xFF),
+    (uint8_t) (class_count & 0xFF),
+  };
+  extend ((char*) count, 2, c);
+
+  add_offset (mark_array, c);
+  add_offset (base_array, c);
+
+  return c->pop_pack (false);
+}
+
+template<int mark_count,
+    int class_count,
+    int base_count,
+    int table_count>
+struct MarkBasePosBuffers
+{
+  unsigned base_anchors[class_count * base_count];
+  unsigned mark_anchors[mark_count];
+  uint8_t anchor_buffers[class_count * base_count + 100];
+  uint8_t class_buffer[class_count * 2];
+
+  MarkBasePosBuffers(hb_serialize_context_t* c)
+  {
+    for (unsigned i = 0; i < sizeof(anchor_buffers) / 2; i++)
+    {
+      OT::HBUINT16* value = (OT::HBUINT16*) (&anchor_buffers[2*i]);
+      *value = i;
+    }
+
+    for (unsigned i = 0; i < class_count * base_count; i++)
+    {
+      base_anchors[i] = add_object ((char*) &anchor_buffers[i], 100, c);
+      if (i < class_count) {
+        class_buffer[i*2] = (uint8_t) ((i >> 8) & 0xFF);
+        class_buffer[i*2 + 1] = (uint8_t) (i & 0xFF);
+      }
+    }
+
+    for (unsigned i = 0; i < mark_count; i++)
+    {
+      mark_anchors[i] = add_object ((char*) &anchor_buffers[i], 4, c);
+    }
+  }
+
+  unsigned create_mark_base_pos_1 (unsigned table_index, hb_serialize_context_t* c)
+  {
+    unsigned class_per_table = class_count / table_count;
+    unsigned mark_per_class = mark_count / class_count;
+    unsigned start_class = class_per_table * table_index;
+    unsigned end_class = class_per_table * (table_index + 1) - 1;
+
+    // baseArray
+    uint8_t base_count_buffer[] = {
+      (uint8_t) ((base_count >> 8) & 0xFF),
+      (uint8_t) (base_count & 0xFF),
+
+    };
+    start_object ((char*) base_count_buffer, 2, c);
+    for (unsigned base = 0; base < base_count; base++)
+    {
+      for (unsigned klass = start_class; klass <= end_class; klass++)
+      {
+        unsigned i = base * class_count + klass;
+        add_offset (base_anchors[i], c);
+      }
+    }
+    unsigned base_array = c->pop_pack (false);
+
+    // markArray
+    unsigned num_marks = class_per_table * mark_per_class;
+    uint8_t mark_count_buffer[] = {
+      (uint8_t) ((num_marks >> 8) & 0xFF),
+      (uint8_t) (num_marks & 0xFF),
+    };
+    start_object ((char*) mark_count_buffer, 2, c);
+    for (unsigned mark = 0; mark < mark_count; mark++)
+    {
+      unsigned klass = mark % class_count;
+      if (klass < start_class || klass > end_class) continue;
+      klass -= start_class;
+
+      extend ((char*) &class_buffer[2 * klass], 2, c);
+      add_offset (mark_anchors[mark], c);
+    }
+    unsigned mark_array = c->pop_pack (false);
+
+    // markCoverage
+    auto it =
+        + hb_range ((hb_codepoint_t) mark_count)
+        | hb_filter ([&] (hb_codepoint_t mark) {
+          unsigned klass = mark % class_count;
+          return klass >= class_per_table * table_index &&
+              klass < class_per_table * (table_index + 1);
+        })
+        ;
+    unsigned mark_coverage = add_coverage (it, c);
+
+    // baseCoverage
+    unsigned base_coverage = add_coverage (10, 10 + base_count - 1, c);
+
+    return add_mark_base_pos_1 (mark_coverage,
+                                base_coverage,
+                                mark_array,
+                                base_array,
+                                class_per_table,
+                                c);
+  }
+};
+
+
+
+
+
 static void run_resolve_overflow_test (const char* name,
                                        hb_serialize_context_t& overflowing,
                                        hb_serialize_context_t& expected,
-                                       unsigned num_iterations = 0)
+                                       unsigned num_iterations = 0,
+                                       bool recalculate_extensions = false,
+                                       hb_tag_t tag = HB_TAG ('G', 'S', 'U', 'B'))
 {
   printf (">>> Testing overflowing resolution for %s\n",
           name);
 
   graph_t graph (overflowing.object_graph ());
-
-
-  assert (overflowing.offset_overflow ());
-  hb_blob_t* out = hb_resolve_overflows (overflowing.object_graph (),
-                                         HB_TAG ('G', 'S', 'U', 'B'), num_iterations);
-  assert (out);
-
-  hb_bytes_t result = out->as_bytes ();
-
-  assert (!expected.offset_overflow ());
-  hb_bytes_t expected_result = expected.copy_bytes ();
-
-  assert (result.length == expected_result.length);
-  for (unsigned i = 0; i < expected_result.length; i++)
+  graph_t expected_graph (expected.object_graph ());
+  if (graph::will_overflow (expected_graph))
   {
-    assert (result[i] == expected_result[i]);
+    expected_graph.assign_spaces ();
+    expected_graph.sort_shortest_distance ();
   }
 
-  expected_result.fini ();
+  // Check that overflow resolution succeeds
+  assert (overflowing.offset_overflow ());
+  assert (hb_resolve_graph_overflows (tag,
+                                      num_iterations,
+                                      recalculate_extensions,
+                                      graph));
+
+  // Check the graphs can be serialized.
+  hb_blob_t* out = graph::serialize (graph);
+  assert (out);
+  hb_blob_destroy (out);
+  out = graph::serialize (expected_graph);
+  assert (out);
   hb_blob_destroy (out);
+
+  // Check the graphs are equivalent
+  graph.normalize ();
+  expected_graph.normalize ();
+  assert (graph == expected_graph);
 }
 
 static void add_virtual_offset (unsigned id,
@@ -729,26 +1110,6 @@ populate_serializer_with_split_spaces_expected_2 (hb_serialize_context_t* c)
 }
 
 static void
-populate_serializer_complex_1 (hb_serialize_context_t* c)
-{
-  c->start_serialize<char> ();
-
-  unsigned obj_4 = add_object ("jkl", 3, c);
-  unsigned obj_3 = add_object ("ghi", 3, c);
-
-  start_object ("def", 3, c);
-  add_offset (obj_3, c);
-  unsigned obj_2 = c->pop_pack (false);
-
-  start_object ("abc", 3, c);
-  add_offset (obj_2, c);
-  add_offset (obj_4, c);
-  c->pop_pack (false);
-
-  c->end_serialize();
-}
-
-static void
 populate_serializer_complex_2 (hb_serialize_context_t* c)
 {
   c->start_serialize<char> ();
@@ -831,66 +1192,279 @@ populate_serializer_virtual_link (hb_serialize_context_t* c)
   c->end_serialize();
 }
 
-static void test_sort_kahn_1 ()
+static void
+populate_serializer_with_24_and_32_bit_offsets (hb_serialize_context_t* c)
 {
-  size_t buffer_size = 100;
-  void* buffer = malloc (buffer_size);
-  hb_serialize_context_t c (buffer, buffer_size);
-  populate_serializer_complex_1 (&c);
+  std::string large_string(60000, 'a');
+  c->start_serialize<char> ();
 
-  graph_t graph (c.object_graph ());
-  graph.sort_kahn ();
+  unsigned obj_f = add_object ("f", 1, c);
+  unsigned obj_g = add_object ("g", 1, c);
+  unsigned obj_j = add_object ("j", 1, c);
+  unsigned obj_k = add_object ("k", 1, c);
 
-  assert(strncmp (graph.object (3).head, "abc", 3) == 0);
-  assert(graph.object (3).real_links.length == 2);
-  assert(graph.object (3).real_links[0].objidx == 2);
-  assert(graph.object (3).real_links[1].objidx == 1);
+  start_object (large_string.c_str (), 40000, c);
+  add_offset (obj_f, c);
+  unsigned obj_c = c->pop_pack (false);
 
-  assert(strncmp (graph.object (2).head, "def", 3) == 0);
-  assert(graph.object (2).real_links.length == 1);
-  assert(graph.object (2).real_links[0].objidx == 0);
+  start_object (large_string.c_str (), 40000, c);
+  add_offset (obj_g, c);
+  unsigned obj_d = c->pop_pack (false);
 
-  assert(strncmp (graph.object (1).head, "jkl", 3) == 0);
-  assert(graph.object (1).real_links.length == 0);
+  start_object (large_string.c_str (), 40000, c);
+  add_offset (obj_j, c);
+  unsigned obj_h = c->pop_pack (false);
 
-  assert(strncmp (graph.object (0).head, "ghi", 3) == 0);
-  assert(graph.object (0).real_links.length == 0);
+  start_object (large_string.c_str (), 40000, c);
+  add_offset (obj_k, c);
+  unsigned obj_i = c->pop_pack (false);
 
-  free (buffer);
+  start_object ("e", 1, c);
+  add_wide_offset (obj_h, c);
+  add_wide_offset (obj_i, c);
+  unsigned obj_e = c->pop_pack (false);
+
+  start_object ("b", 1, c);
+  add_24_offset (obj_c, c);
+  add_24_offset (obj_d, c);
+  add_24_offset (obj_e, c);
+  unsigned obj_b = c->pop_pack (false);
+
+  start_object ("a", 1, c);
+  add_24_offset (obj_b, c);
+  c->pop_pack (false);
+
+  c->end_serialize();
 }
 
-static void test_sort_kahn_2 ()
+static void
+populate_serializer_with_extension_promotion (hb_serialize_context_t* c,
+                                              int num_extensions = 0)
 {
-  size_t buffer_size = 100;
-  void* buffer = malloc (buffer_size);
-  hb_serialize_context_t c (buffer, buffer_size);
-  populate_serializer_complex_2 (&c);
+  constexpr int num_lookups = 5;
+  constexpr int num_subtables = num_lookups * 2;
+  unsigned int lookups[num_lookups];
+  unsigned int subtables[num_subtables];
+  unsigned int extensions[num_subtables];
 
-  graph_t graph (c.object_graph ());
-  graph.sort_kahn ();
+  std::string large_string(60000, 'a');
+  c->start_serialize<char> ();
 
 
-  assert(strncmp (graph.object (4).head, "abc", 3) == 0);
-  assert(graph.object (4).real_links.length == 3);
-  assert(graph.object (4).real_links[0].objidx == 3);
-    assert(graph.object (4).real_links[1].objidx == 0);
-  assert(graph.object (4).real_links[2].objidx == 2);
+  for (int i = num_subtables - 1; i >= 0; i--)
+    subtables[i] = add_object(large_string.c_str (), 15000, c);
 
-  assert(strncmp (graph.object (3).head, "def", 3) == 0);
-  assert(graph.object (3).real_links.length == 1);
-  assert(graph.object (3).real_links[0].objidx == 1);
+  for (int i = num_subtables - 1;
+       i >= (num_lookups - num_extensions) * 2;
+       i--)
+  {
+    unsigned ext_index = i - (num_lookups - num_extensions) * 2;
+    unsigned subtable_index = num_subtables - ext_index - 1;
+    extensions[i] = add_extension (subtables[subtable_index], 5, c);
+  }
 
-  assert(strncmp (graph.object (2).head, "mn", 2) == 0);
-  assert(graph.object (2).real_links.length == 0);
+  for (int i = num_lookups - 1; i >= 0; i--)
+  {
+    bool is_ext = (i >= (num_lookups - num_extensions));
 
-  assert(strncmp (graph.object (1).head, "ghi", 3) == 0);
-  assert(graph.object (1).real_links.length == 1);
-  assert(graph.object (1).real_links[0].objidx == 0);
+    start_lookup (is_ext ? (char) 7 : (char) 5,
+                  2,
+                  c);
 
-  assert(strncmp (graph.object (0).head, "jkl", 3) == 0);
-  assert(graph.object (0).real_links.length == 0);
+    if (is_ext) {
+      add_offset (extensions[i * 2], c);
+      add_offset (extensions[i * 2 + 1], c);
+    } else {
+      add_offset (subtables[i * 2], c);
+      add_offset (subtables[i * 2 + 1], c);
+    }
 
-  free (buffer);
+    lookups[i] = finish_lookup (c);
+  }
+
+  unsigned lookup_list = add_lookup_list (lookups, num_lookups, c);
+
+  add_gsubgpos_header (lookup_list, c);
+
+  c->end_serialize();
+}
+
+template<int num_pair_pos_1, int num_pair_set>
+static void
+populate_serializer_with_large_pair_pos_1 (hb_serialize_context_t* c,
+                                           bool as_extension = false)
+{
+  std::string large_string(60000, 'a');
+  c->start_serialize<char> ();
+
+  constexpr int total_pair_set = num_pair_pos_1 * num_pair_set;
+  unsigned pair_set[total_pair_set];
+  unsigned coverage[num_pair_pos_1];
+  unsigned pair_pos_1[num_pair_pos_1];
+
+  for (int i = num_pair_pos_1 - 1; i >= 0; i--)
+  {
+    for (int j = (i + 1) * num_pair_set - 1; j >= i * num_pair_set; j--)
+      pair_set[j] = add_object (large_string.c_str (), 30000 + j, c);
+
+    coverage[i] = add_coverage (i * num_pair_set,
+                                (i + 1) * num_pair_set - 1, c);
+
+    pair_pos_1[i] = add_pair_pos_1 (&pair_set[i * num_pair_set],
+                                    num_pair_set,
+                                    coverage[i],
+                                    c);
+  }
+
+  unsigned pair_pos_2 = add_object (large_string.c_str(), 200, c);
+
+  if (as_extension) {
+    pair_pos_2 = add_extension (pair_pos_2, 2, c);
+    for (int i = num_pair_pos_1 - 1; i >= 0; i--)
+      pair_pos_1[i] = add_extension (pair_pos_1[i], 2, c);
+  }
+
+  start_lookup (as_extension ? 9 : 2, 1 + num_pair_pos_1, c);
+
+  for (int i = 0; i < num_pair_pos_1; i++)
+    add_offset (pair_pos_1[i], c);
+  add_offset (pair_pos_2, c);
+
+  unsigned lookup = finish_lookup (c);
+
+  unsigned lookup_list = add_lookup_list (&lookup, 1, c);
+
+  add_gsubgpos_header (lookup_list, c);
+
+  c->end_serialize();
+}
+
+template<int num_pair_pos_2, int num_class_1, int num_class_2>
+static void
+populate_serializer_with_large_pair_pos_2 (hb_serialize_context_t* c,
+                                           bool as_extension = false,
+                                           bool with_device_tables = false,
+                                           bool extra_table = true)
+{
+  std::string large_string(100000, 'a');
+  c->start_serialize<char> ();
+
+  unsigned coverage[num_pair_pos_2];
+  unsigned class_def_1[num_pair_pos_2];
+  unsigned class_def_2[num_pair_pos_2];
+  unsigned pair_pos_2[num_pair_pos_2];
+
+  unsigned* device_tables = (unsigned*) calloc (num_pair_pos_2 * num_class_1 * num_class_2,
+                                                sizeof(unsigned));
+
+  // Total glyphs = num_class_1 * num_pair_pos_2
+  for (int i = num_pair_pos_2 - 1; i >= 0; i--)
+  {
+    unsigned start_glyph = 5 + i * num_class_1;
+    if (num_class_2 >= num_class_1)
+    {
+      class_def_2[i] = add_class_def (11,
+                                      10 + num_class_2, c);
+      class_def_1[i] = add_class_def (start_glyph + 1,
+                                      start_glyph + num_class_1,
+                                      c);
+    } else {
+      class_def_1[i] = add_class_def (start_glyph + 1,
+                                      start_glyph + num_class_1,
+                                      c);
+      class_def_2[i] = add_class_def (11,
+                                      10 + num_class_2, c);
+    }
+
+    coverage[i] = add_coverage (start_glyph,
+                                start_glyph + num_class_1 - 1,
+                                c);
+
+    if (with_device_tables)
+    {
+      for(int j = (i + 1) * num_class_1 * num_class_2 - 1;
+          j >= i * num_class_1 * num_class_2;
+          j--)
+      {
+        uint8_t table[] = {
+          (uint8_t) ((j >> 8) & 0xFF),
+          (uint8_t) (j & 0xFF),
+        };
+        device_tables[j] = add_object ((char*) table, 2, c);
+      }
+    }
+
+    pair_pos_2[i] = add_pair_pos_2 (1 + i * num_class_1,
+                                    coverage[i],
+                                    class_def_1[i], num_class_1,
+                                    class_def_2[i], num_class_2,
+                                    with_device_tables
+                                    ? &device_tables[i * num_class_1 * num_class_2]
+                                    : nullptr,
+                                    c);
+  }
+
+
+  unsigned pair_pos_1 = 0;
+  if (extra_table) pair_pos_1 = add_object (large_string.c_str(), 100000, c);
+
+  if (as_extension) {
+    for (int i = num_pair_pos_2 - 1; i >= 0; i--)
+      pair_pos_2[i] = add_extension (pair_pos_2[i], 2, c);
+
+    if (extra_table)
+      pair_pos_1 = add_extension (pair_pos_1, 2, c);
+  }
+
+  start_lookup (as_extension ? 9 : 2, 1 + num_pair_pos_2, c);
+
+  if (extra_table)
+    add_offset (pair_pos_1, c);
+
+  for (int i = 0; i < num_pair_pos_2; i++)
+    add_offset (pair_pos_2[i], c);
+
+  unsigned lookup = finish_lookup (c);
+
+  unsigned lookup_list = add_lookup_list (&lookup, 1, c);
+
+  add_gsubgpos_header (lookup_list, c);
+
+  c->end_serialize();
+
+  free (device_tables);
+}
+
+template<int mark_count,
+    int class_count,
+    int base_count,
+    int table_count>
+static void
+populate_serializer_with_large_mark_base_pos_1 (hb_serialize_context_t* c)
+{
+  c->start_serialize<char> ();
+
+  MarkBasePosBuffers<mark_count, class_count, base_count, table_count> buffers (c);
+
+  unsigned mark_base_pos[table_count];
+  for (unsigned i = 0; i < table_count; i++)
+    mark_base_pos[i] = buffers.create_mark_base_pos_1 (i, c);
+
+  for (int i = 0; i < table_count; i++)
+    mark_base_pos[i] = add_extension (mark_base_pos[i], 4, c);
+
+  start_lookup (9, table_count, c);
+
+  for (int i = 0; i < table_count; i++)
+    add_offset (mark_base_pos[i], c);
+
+  unsigned lookup = finish_lookup (c);
+
+  unsigned lookup_list = add_lookup_list (&lookup, 1, c);
+
+  add_gsubgpos_header (lookup_list, c);
+
+  c->end_serialize();
 }
 
 static void test_sort_shortest ()
@@ -902,6 +1476,7 @@ static void test_sort_shortest ()
 
   graph_t graph (c.object_graph ());
   graph.sort_shortest_distance ();
+  assert (!graph.in_error ());
 
   assert(strncmp (graph.object (4).head, "abc", 3) == 0);
   assert(graph.object (4).real_links.length == 3);
@@ -1013,7 +1588,7 @@ test_serialize ()
   hb_bytes_t expected = c1.copy_bytes ();
 
   graph_t graph (c1.object_graph ());
-  hb_blob_t* out = graph.serialize ();
+  hb_blob_t* out = graph::serialize (graph);
   free (buffer_1);
 
   hb_bytes_t actual = out->as_bytes ();
@@ -1030,7 +1605,7 @@ static void test_will_overflow_1 ()
   populate_serializer_complex_2 (&c);
   graph_t graph (c.object_graph ());
 
-  assert (!graph.will_overflow (nullptr));
+  assert (!graph::will_overflow (graph, nullptr));
 
   free (buffer);
 }
@@ -1043,7 +1618,7 @@ static void test_will_overflow_2 ()
   populate_serializer_with_overflow (&c);
   graph_t graph (c.object_graph ());
 
-  assert (graph.will_overflow (nullptr));
+  assert (graph::will_overflow (graph, nullptr));
 
   free (buffer);
 }
@@ -1056,7 +1631,7 @@ static void test_will_overflow_3 ()
   populate_serializer_with_dedup_overflow (&c);
   graph_t graph (c.object_graph ());
 
-  assert (graph.will_overflow (nullptr));
+  assert (graph::will_overflow (graph, nullptr));
 
   free (buffer);
 }
@@ -1210,6 +1785,196 @@ static void test_resolve_overflows_via_isolation_spaces ()
   hb_blob_destroy (out);
 }
 
+static void test_resolve_mixed_overflows_via_isolation_spaces ()
+{
+  size_t buffer_size = 200000;
+  void* buffer = malloc (buffer_size);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_24_and_32_bit_offsets (&c);
+  graph_t graph (c.object_graph ());
+
+  assert (c.offset_overflow ());
+  hb_blob_t* out = hb_resolve_overflows (c.object_graph (), HB_TAG ('G', 'S', 'U', 'B'), 0);
+  assert (out);
+  hb_bytes_t result = out->as_bytes ();
+
+  unsigned expected_length =
+      // Objects
+      7 +
+      4 * 40000;
+
+  expected_length +=
+      // Links
+      2 * 4 +  // 32
+      4 * 3 +  // 24
+      4 * 2;   // 16
+
+  assert (result.length == expected_length);
+
+  free (buffer);
+  hb_blob_destroy (out);
+}
+
+static void test_resolve_with_extension_promotion ()
+{
+  size_t buffer_size = 200000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_extension_promotion (&c);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_extension_promotion (&e, 3);
+
+  run_resolve_overflow_test ("test_resolve_with_extension_promotion",
+                             c,
+                             e,
+                             20,
+                             true);
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_basic_pair_pos_1_split ()
+{
+  size_t buffer_size = 200000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_1 <1, 4>(&c);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_1 <2, 2>(&e, true);
+
+  run_resolve_overflow_test ("test_resolve_with_basic_pair_pos_1_split",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_extension_pair_pos_1_split ()
+{
+  size_t buffer_size = 200000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_1 <1, 4>(&c, true);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_1 <2, 2>(&e, true);
+
+  run_resolve_overflow_test ("test_resolve_with_extension_pair_pos_1_split",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_basic_pair_pos_2_split ()
+{
+  size_t buffer_size = 300000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <1, 4, 3000>(&c);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <2, 2, 3000>(&e, true);
+
+  run_resolve_overflow_test ("test_resolve_with_basic_pair_pos_2_split",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_close_to_limit_pair_pos_2_split ()
+{
+  size_t buffer_size = 300000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <1, 1596, 10>(&c, true, false, false);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <2, 798, 10>(&e, true, false, false);
+
+  run_resolve_overflow_test ("test_resolve_with_close_to_limit_pair_pos_2_split",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_pair_pos_2_split_with_device_tables ()
+{
+  size_t buffer_size = 300000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <1, 4, 2000>(&c, false, true);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_pair_pos_2 <2, 2, 2000>(&e, true, true);
+
+  run_resolve_overflow_test ("test_resolve_with_pair_pos_2_split_with_device_tables",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
+static void test_resolve_with_basic_mark_base_pos_1_split ()
+{
+  size_t buffer_size = 200000;
+  void* buffer = malloc (buffer_size);
+  assert (buffer);
+  hb_serialize_context_t c (buffer, buffer_size);
+  populate_serializer_with_large_mark_base_pos_1 <40, 10, 110, 1>(&c);
+
+  void* expected_buffer = malloc (buffer_size);
+  assert (expected_buffer);
+  hb_serialize_context_t e (expected_buffer, buffer_size);
+  populate_serializer_with_large_mark_base_pos_1 <40, 10, 110, 2>(&e);
+
+  run_resolve_overflow_test ("test_resolve_with_basic_mark_base_pos_1_split",
+                             c,
+                             e,
+                             20,
+                             true,
+                             HB_TAG('G', 'P', 'O', 'S'));
+  free (buffer);
+  free (expected_buffer);
+}
+
 static void test_resolve_overflows_via_splitting_spaces ()
 {
   size_t buffer_size = 160000;
@@ -1336,8 +2101,6 @@ int
 main (int argc, char **argv)
 {
   test_serialize ();
-  test_sort_kahn_1 ();
-  test_sort_kahn_2 ();
   test_sort_shortest ();
   test_will_overflow_1 ();
   test_will_overflow_2 ();
@@ -1353,8 +2116,23 @@ main (int argc, char **argv)
   test_resolve_overflows_via_isolating_16bit_space_2 ();
   test_resolve_overflows_via_splitting_spaces ();
   test_resolve_overflows_via_splitting_spaces_2 ();
+  test_resolve_mixed_overflows_via_isolation_spaces ();
   test_duplicate_leaf ();
   test_duplicate_interior ();
   test_virtual_link ();
   test_shared_node_with_virtual_links ();
+  test_resolve_with_extension_promotion ();
+  test_resolve_with_basic_pair_pos_1_split ();
+  test_resolve_with_extension_pair_pos_1_split ();
+  test_resolve_with_basic_pair_pos_2_split ();
+  test_resolve_with_pair_pos_2_split_with_device_tables ();
+  test_resolve_with_close_to_limit_pair_pos_2_split ();
+  test_resolve_with_basic_mark_base_pos_1_split ();
+
+  // TODO(grieger): have run overflow tests compare graph equality not final packed binary.
+  // TODO(grieger): split test where multiple subtables in one lookup are split to test link ordering.
+  // TODO(grieger): split test where coverage table in subtable that is being split is shared.
+  // TODO(grieger): test with extensions already mixed in as well.
+  // TODO(grieger): test two layer ext promotion setup.
+  // TODO(grieger): test sorting by subtables per byte in ext. promotion.
 }
diff --git a/src/3rdparty/harfbuzz-ng/src/test-serialize.cc b/src/3rdparty/harfbuzz-ng/src/test-serialize.cc
index 44a2e0fe1d..4c90abb114 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-serialize.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-serialize.cc
@@ -27,6 +27,7 @@
 #include "hb-serialize.hh"
 #include "hb-ot-layout-common.hh"
 
+using OT::Layout::Common::Coverage;
 
 int
 main (int argc, char **argv)
@@ -37,7 +38,7 @@ main (int argc, char **argv)
 
   hb_sorted_vector_t<hb_codepoint_t> v{1, 2, 5};
 
-  auto c = s.start_serialize<OT::Coverage> ();
+  auto c = s.start_serialize<Coverage> ();
 
   c->serialize (&s, hb_iter (v));
 
diff --git a/src/3rdparty/harfbuzz-ng/src/test-set.cc b/src/3rdparty/harfbuzz-ng/src/test-set.cc
index 286f1a9976..e760c98f82 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-set.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-set.cc
@@ -20,13 +20,11 @@
  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
  */
 
 #include "hb.hh"
 #include "hb-set.hh"
 
-
 int
 main (int argc, char **argv)
 {
@@ -36,27 +34,34 @@ main (int argc, char **argv)
     hb_set_t v1 {1, 2};
     hb_set_t v2 {v1};
     assert (v1.get_population () == 2);
+    assert (hb_len (hb_iter (v1)) == 2);
     assert (v2.get_population () == 2);
   }
 
   /* Test copy assignment. */
   {
     hb_set_t v1 {1, 2};
-    hb_set_t v2 = v1;
+    hb_set_t v2;
+    v2 = v1;
     assert (v1.get_population () == 2);
     assert (v2.get_population () == 2);
   }
 
   /* Test move constructor. */
   {
-    hb_set_t v {hb_set_t {1, 2}};
+    hb_set_t s {1, 2};
+    hb_set_t v (std::move (s));
+    assert (s.get_population () == 0);
+    assert (hb_len (hb_iter (s)) == 0);
     assert (v.get_population () == 2);
   }
 
   /* Test move assignment. */
   {
+    hb_set_t s = hb_set_t {1, 2};
     hb_set_t v;
-    v = hb_set_t {1, 2};
+    v = std::move (s);
+    assert (s.get_population () == 0);
     assert (v.get_population () == 2);
   }
 
@@ -67,9 +72,15 @@ main (int argc, char **argv)
     s.add (18);
     s.add (12);
 
-    hb_set_t v (s);
+    hb_vector_t<hb_codepoint_t> v (s);
+    hb_set_t v0 (v);
+    hb_set_t v1 (s);
+    hb_set_t v2 (std::move (s));
 
-    assert (v.get_population () == 2);
+    assert (s.get_population () == 0);
+    assert (v0.get_population () == 2);
+    assert (v1.get_population () == 2);
+    assert (v2.get_population () == 2);
   }
 
   /* Test initializing from iterator. */
@@ -77,11 +88,14 @@ main (int argc, char **argv)
     hb_set_t s;
 
     s.add (18);
-    s.add (12);
+    s << 12;
+
+    /* Sink a range. */
+    s << hb_pair_t<hb_codepoint_t, hb_codepoint_t> {1, 3};
 
     hb_set_t v (hb_iter (s));
 
-    assert (v.get_population () == 2);
+    assert (v.get_population () == 5);
   }
 
   /* Test initializing from initializer list and swapping. */
diff --git a/src/3rdparty/harfbuzz-ng/src/test-vector.cc b/src/3rdparty/harfbuzz-ng/src/test-vector.cc
index 521f2a171d..65e51c6572 100644
--- a/src/3rdparty/harfbuzz-ng/src/test-vector.cc
+++ b/src/3rdparty/harfbuzz-ng/src/test-vector.cc
@@ -26,12 +26,14 @@
 #include "hb.hh"
 #include "hb-vector.hh"
 #include "hb-set.hh"
+#include "hb-map.hh"
 #include <string>
 
 
 int
 main (int argc, char **argv)
 {
+  assert (sizeof (hb_vector_t<int>) == sizeof (hb_sorted_vector_t<int>));
 
   /* Test copy constructor. */
   {
@@ -61,8 +63,12 @@ main (int argc, char **argv)
 
   /* Test move constructor. */
   {
-    hb_vector_t<int> v {hb_vector_t<int> {1, 2}};
-    hb_vector_t<int> V {hb_vector_t<int> {1, 2}};
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
+    hb_vector_t<int> v (std::move (s));
+    hb_sorted_vector_t<int> V (std::move (S));
+    assert (s.length == 0);
+    assert (S.length == 0);
     assert (v.length == 2);
     assert (v[0] == 1);
     assert (v[1] == 2);
@@ -70,11 +76,16 @@ main (int argc, char **argv)
 
   /* Test move assignment. */
   {
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
     hb_vector_t<int> v;
     hb_sorted_vector_t<int> V;
-    v = hb_vector_t<int> {1, 2};
-    V = hb_sorted_vector_t<int> {1, 2};
+    v = std::move (s);
+    V = std::move (S);
+    assert (s.length == 0);
+    assert (S.length == 0);
     assert (v.length == 2);
+    assert (V.length == 2);
     assert (v[0] == 1);
     assert (v[1] == 2);
   }
@@ -137,7 +148,6 @@ main (int argc, char **argv)
     assert (v2[2] == 3);
   }
 
-#if 0
   {
     hb_vector_t<std::string> v;
 
@@ -147,8 +157,30 @@ main (int argc, char **argv)
       s += "x";
       v.push (s);
     }
+
+    hb_vector_t<std::string> v2;
+
+    v2 = v;
+
+    v2.remove_ordered (50);
+    v2.remove_unordered (50);
+  }
+
+  {
+    hb_vector_t<hb_set_t> v;
+    hb_set_t s {1, 5, 7};
+    v.push (s);
+    v << s;
+    assert (s.get_population () == 3);
+    v << std::move (s);
+    assert (s.get_population () == 0);
+  }
+
+  {
+    hb_vector_t<hb_map_t> v;
+    hb_map_t m;
+    v.push (m);
   }
-#endif
 
   return 0;
 }
diff --git a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
index cf835fe245..51bb1a65db 100644
--- a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
+++ b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
@@ -728,29 +728,29 @@ void tst_QTextLayout::cursorToXForBidiBoundaries_data()
     QTest::addColumn<Qt::LayoutDirection>("textDirection");
     QTest::addColumn<QString>("text");
     QTest::addColumn<int>("cursorPosition");
-    QTest::addColumn<int>("expectedX");
+    QTest::addColumn<int>("runsToInclude");
 
     QTest::addRow("LTR, abcشزذabc, 0") << Qt::LeftToRight << "abcشزذabc"
         << 0 << 0;
     QTest::addRow("RTL, abcشزذabc, 9") << Qt::RightToLeft << "abcشزذabc"
-        << 9 << TESTFONT_SIZE * 3;
+        << 9 << 1;
     QTest::addRow("LTR, abcشزذabc, 3") << Qt::LeftToRight << "abcشزذabc"
         << 0 << 0;
     QTest::addRow("RTL, abcشزذabc, 6") << Qt::RightToLeft << "abcشزذabc"
-        << 9 << TESTFONT_SIZE * 3;
+        << 9 << 1;
 
     QTest::addRow("LTR, شزذabcشزذ, 0") << Qt::LeftToRight << "شزذabcشزذ"
-        << 0 << TESTFONT_SIZE * 2;
+        << 0 << 1;
     QTest::addRow("RTL, شزذabcشزذ, 9") << Qt::RightToLeft << "شزذabcشزذ"
         << 9 << 0;
     QTest::addRow("LTR, شزذabcشزذ, 3") << Qt::LeftToRight << "شزذabcشزذ"
-        << 3 << TESTFONT_SIZE * 2;
+        << 3 << 1;
     QTest::addRow("RTL, شزذabcشزذ, 3") << Qt::RightToLeft << "شزذabcشزذ"
-        << 3 << TESTFONT_SIZE * 5;
+        << 3 << 2;
     QTest::addRow("LTR, شزذabcشزذ, 6") << Qt::LeftToRight << "شزذabcشزذ"
-        << 6 << TESTFONT_SIZE * 5;
+        << 6 << 2;
     QTest::addRow("RTL, شزذabcشزذ, 6") << Qt::RightToLeft << "شزذabcشزذ"
-        << 6 << TESTFONT_SIZE * 2;
+        << 6 << 1;
 }
 
 void tst_QTextLayout::cursorToXForBidiBoundaries()
@@ -758,7 +758,7 @@ void tst_QTextLayout::cursorToXForBidiBoundaries()
     QFETCH(Qt::LayoutDirection, textDirection);
     QFETCH(QString, text);
     QFETCH(int, cursorPosition);
-    QFETCH(int, expectedX);
+    QFETCH(int, runsToInclude);
 
     QTextOption option;
     option.setTextDirection(textDirection);
@@ -767,12 +767,30 @@ void tst_QTextLayout::cursorToXForBidiBoundaries()
     layout.setTextOption(option);
     layout.beginLayout();
 
-    QTextLine line = layout.createLine();
-    line.setLineWidth(0x10000);
+    {
+        QTextLine line = layout.createLine();
+        line.setLineWidth(0x10000);
+    }
+    layout.endLayout();
 
-    QCOMPARE(line.cursorToX(cursorPosition), expectedX);
+    QTextLine line = layout.lineAt(0);
+    QList<QGlyphRun> glyphRuns = line.glyphRuns(-1,
+                                                -1,
+                                                QTextLayout::RetrieveStringIndexes
+                                                | QTextLayout::RetrieveGlyphIndexes);
+    QVERIFY(runsToInclude <= glyphRuns.size());
+
+    std::sort(glyphRuns.begin(), glyphRuns.end(),
+              [](const QGlyphRun &first, const QGlyphRun &second) {
+                    return first.stringIndexes().first() < second.stringIndexes().first();
+                 });
+
+    qreal expectedX = 0.0;
+    for (int i = 0; i < runsToInclude; ++i) {
+        expectedX += glyphRuns.at(i).boundingRect().width();
+    }
 
-    layout.endLayout();
+    QCOMPARE(line.cursorToX(cursorPosition), expectedX);
 }
 
 void tst_QTextLayout::horizontalAlignment_data()