Remove unused documentation code snippets

Modules:
- Core
- Gui
- Widgets
- Open(Widgets)
- PrintSupport
- Sql
- Network
- Concurrent
- Testlib

Pick-to: 6.5
Change-Id: I63e58c01bec4bd162486020f0085227fdaa83b18
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

4 files changed, 0 insertions, 23 deletions

diff --git a/src/xml/doc/snippets/code/src_xml_dom_qdom.cpp b/src/xml/doc/snippets/code/src_xml_dom_qdom.cpp
index a97a5afcf6..7c7a59745b 100644
--- a/src/xml/doc/snippets/code/src_xml_dom_qdom.cpp
+++ b/src/xml/doc/snippets/code/src_xml_dom_qdom.cpp
@@ -89,17 +89,6 @@ for(QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling())
 //! [10]
 
 }
-void FirstElement()
-{
-//! [11]
-QDomDocument doc;
-QDomElement root = doc.firstChildElement("database");
-QDomElement elt = root.firstChildElement("entry");
-for (; !elt.isNull(); elt = elt.nextSiblingElement("entry")) {
-    // ...
-}
-//! [11]
-}
 
 void FileContent()
 {
diff --git a/src/xml/doc/snippets/code/src_xml_sax_qxml.cpp b/src/xml/doc/snippets/code/src_xml_sax_qxml.cpp
deleted file mode 100644
index f64a6b8b1b..0000000000
--- a/src/xml/doc/snippets/code/src_xml_sax_qxml.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-//! [0]
-xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
-//! [0]
diff --git a/src/xml/doc/snippets/rsslisting/handler.cpp b/src/xml/doc/snippets/rsslisting/handler.cpp
index ef2df04653..d1a4243632 100644
--- a/src/xml/doc/snippets/rsslisting/handler.cpp
+++ b/src/xml/doc/snippets/rsslisting/handler.cpp
@@ -133,7 +133,6 @@ bool Handler::characters (const QString &chars)
     that parsing should stop.
 */
 
-//! [0]
 bool Handler::fatalError (const QXmlParseException & exception)
 {
     qWarning() << "Fatal error on line" << exception.lineNumber()
@@ -142,4 +141,3 @@ bool Handler::fatalError (const QXmlParseException & exception)
 
     return false;
 }
-//! [0]
diff --git a/src/xml/doc/snippets/rsslisting/listing.cpp b/src/xml/doc/snippets/rsslisting/listing.cpp
index d7fd28d56c..4b85e1aabb 100644
--- a/src/xml/doc/snippets/rsslisting/listing.cpp
+++ b/src/xml/doc/snippets/rsslisting/listing.cpp
@@ -110,10 +110,8 @@ void RSSListing::fetch()
         delete handler;
     handler = new Handler;
 
-//! [0]
     xmlReader.setContentHandler(handler);
     xmlReader.setErrorHandler(handler);
-//! [0]
 
     connect(handler, SIGNAL(newItem(QString&,QString&)),
              this, SLOT(addItem(QString&,QString&)));
@@ -136,7 +134,6 @@ void RSSListing::fetch()
     If parsing fails for any reason, we abort the fetch.
 */
 
-//! [1]
 void RSSListing::readData(const QHttpResponseHeader &resp)
 {
     bool ok;
@@ -157,7 +154,6 @@ void RSSListing::readData(const QHttpResponseHeader &resp)
             http.abort();
     }
 }
-//! [1]
 
 /*
     Finishes processing an HTTP request.