Doc: Change section titles that cause bad links

Section titles are valid targets for QDoc's autolinker. When
they are identical to other valid link targets, such as for
example a class, these sections may cause invalid links.

Fixes: QTBUG-91141
Change-Id: Ie9a6258d2bf83932335976d8c0b5fc59f2028ae5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
(cherry picked from commit 5fa8f5df7bb722c5b7451229f5eecd13bd13326f)
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

src/dbus/doc/src/qt6-changes.qdoc

@@ -44,23 +44,23 @@
     \section1 The QtDBus module has undergone some basic consolidation and
     cleanup. There should be minimal porting effort to be able to switch to Qt6.
 
-    \section2 QDBusMessage
+    \section2 The QDBusMessage class
     The QDBusMessage::call() and QDBusMessage::asyncCall() methods with a fixed
     size of arguments have been removed in Qt6.
 
-    \section2 QDBusArgument
+    \section2 The QDBusArgument class
     The QDBusArgument::operator<<() specializations for QHash, QMap and QList
     have been unified into common specializations for associative containers.
 
-    \section2 QDBusConnection
+    \section2 The QDBusConnection class
     The QDBusConnection::sender() function has been removed in Qt6.
 
-    \section2 QDBusMessage
+    \section2 The QDBusMessage class
     The QDBusMessage::createErrorReply() function now takes the QString \c name
     argument by const reference instead of taking by value.
 
-    \section2 QDBusPendingReply
-    QDBusPendingReply has been changed to be a varadic template class in order
+    \section2 The QDBusPendingReply class
+    QDBusPendingReply has been changed to be a variadic template class in order
     to support more than 8 template parameters now. The template parameters
     are the types that will be used to extract the contents of the reply's data.
 */

src/gui/doc/src/qt6-changes.qdoc

@@ -43,18 +43,18 @@
 
     \section1 Kernel classes
 
-    \section2 QBitmap
+    \section2 The QBitmap class
 
     Implicit construction of a QBitmap from a QPixmap is no longer supported.
     The constructor and assignment operator have been made explicit and marked as
     deprecated. Use the new static factory function \l{QBitmap::}{fromPixmap} instead.
 
-    \section2 QCursor
+    \section2 The QCursor class
 
     Implicit construction of a QCursor from a QPixmap is no longer supported, the
     constructor has been made explicit.
 
-    \section2 QKeyCombination
+    \section2 The QKeyCombination class
 
     QKeyCombination is a new class for storing a combination of a key with an
     optional modifier. It should be used as a replacement for combining values from
@@ -70,7 +70,7 @@
 
     \section1 Text classes
 
-    \section2 QFontDatabase
+    \section2 The QFontDatabase class
 
     The QFontDatabase class has now only static member functions. The constructor
     has been deprecated. Instead of e.g.
@@ -85,7 +85,7 @@
     const QStringList fontFamilies = QFontDatabase::families();
     \endcode
 
-    \section2 QFont
+    \section2 The QFont class
 
     The numerical values of the QFont::Weight enumerator have been changed to
     be in line with OpenType weight values. QFont::setWeight() expects an enum value
@@ -117,7 +117,7 @@
     In addition, the class \l QOpenGLWidget has been moved to a new module, named
     Qt OpenGL Widgets.
 
-    \section2 QOpenGLContext
+    \section2 The QOpenGLContext class
 
     The QOpenGLContext::versionFunctions() function is replaced by
     QOpenGLVersionFunctionsFactory::get(). QOpenGLVersionFunctionsFactory is a public

src/opengl/doc/src/qt6-changes.qdoc

@@ -67,7 +67,7 @@
     \note A notable exception is \l QOpenGLContext, which still resides in
     Qt Gui.
 
-    \section1 QOpenGLWidgets
+    \section1 The QOpenGLWidgets class
 
     Another exception is the \l QOpenGLWidget class. This has been moved to a new
     module named \c{Qt OpenGL Widgets} and should be included from there.

src/sql/doc/src/qt6-changes.qdoc

@@ -41,7 +41,7 @@
     In this topic we summarize those changes in Qt SQL, and provide guidance
     to handle them.
 
-    \section1 QSqlQuery
+    \section1 The QSqlQuery class
 
     \section2 boundValues() Signature
 

src/testlib/doc/src/qt6-changes.qdoc

@@ -43,7 +43,7 @@
 
     \section1 Touch-related functionality
 
-    \section2 QTouchEventSequence
+    \section2 The QTouchEventSequence class
 
     QTest::QTouchEventSequence functions taking a QWidget parameter has been moved
     to a new class: QTest::QTouchEventWidgetSequence. The list of affected

src/widgets/doc/src/qt6-changes.qdoc

@@ -43,7 +43,7 @@
 
     \section1 Kernel classes
 
-    \section2 QWidget
+    \section2 The QWidget class
 
     The virtual QWidget::enterEvent() handler now receives a QEnterEvent*
     parameter which has information about the pointer position, rather than
@@ -71,12 +71,12 @@
 
     \section1 Widgets
 
-    \section2 QAbstractButton
+    \section2 The QAbstractButton class
 
     The default timeout parameter for QAbstractButton::animateClick() is
     removed to allow modern connection syntax without the need for qOverload.
 
-    \section2 QComboBox
+    \section2 The QComboBox class
 
     The QComboBox::setModel() function is now virtual.