Porting guide: recover the missing section title

4cc1d81d79 accidentally removed the
section title, recover it.

Pick-to: 6.4 6.3 6.2
Change-Id: Idb4e5732f181505b8b9eebb1bf3635741a084657
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Sona Kurazyan 2022-07-04 15:25:51 +02:00
parent 6ad481c31f
commit ed715cf8a7

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@ -782,6 +782,8 @@
code-bases working. If you want to use \c QRegExp further, see
\l {Using the Qt5Compat module}.
\section1 QEvent and subclasses
The QEvent class defined a copy constructor and an assignment operator,
in spite of being a polymorphic class. Copying classes with virtual methods
can result in slicing when assigning objects from different classes to each