Qt 5.9 introduces many new features and improvements as well as bugfixes
over the 5.8.x series. For more details, refer to the online documentation
included in this distribution. The documentation is also available online:

http://doc.qt.io/qt-5/index.html

The Qt version 5.9 series is binary compatible with the 5.8.x series.
Applications compiled for 5.8 will continue to run with 5.9.

Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Qt Bug Tracker:

https://bugreports.qt.io/

Each of these identifiers can be entered in the bug tracker to obtain more
information about a particular change.

Linguist
--------

 - [QTBUG-16368] Added capability of checking that the whitespace
   surrounding the translations' text matches that of the source strings.

Assistant
---------

 - Removed the clucene dependency, used FTS5 from sqlite instead.
 - Search results show now the doc excerpt instead of the explicit link.
 - Made search results more reliable (e.g.: charset, "UTF-8").

QtHelp
-----------

 - Moved the linksForKeyword() method from QHelpIndexModel into QHelpEngineCore.
