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Most important changes since 1.0:
- New API.
- Update to Unicode 9.0.0; add 6 more scripts.
- Improved list of language tag mappings.
- OpenType 1.8 Font Variations support.
- Blacklist GDEF table of certain fonts.
- Implement parsing of OpenType MATH table.
- Implement CBDT/CBLC color font glyph extents.
- Fix mark zeroing types of most shapers.
- Allow GPOS cursive connection on marks, and fix the interaction with
mark attachment.
- Universal Shaping Engine fixes; update to latest draft from Microsoft.
- Implement "shaping" of various Unicode space characters, even
if the font does not support them.
- Allow MultipleSubst to delete a glyph (matching Windows engine).
- CoreText backend fixes and optimizations.
- Optimizations and other improvements.
[ChangeLog] Bundled HarfBuzz-NG copy updated to 1.4.1
Change-Id: Ie398fad8f6d3b98e3236f62a97caedc649511470
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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