Document xUnit enhancements in User Guide. Fixes
@@ -139,9 +139,15 @@ XUnit output files are not created unless the command line option
:option:`--xunit (-x)` is used explicitly. This option requires a path to
the generated xUnit file, relatively to the `output directory`_, as a value.
+XUnit output files were changed pretty heavily in Robot Framework 5.0.
+They nowadays contain separate `<testsuite>` elements for each suite,
+`<testsuite>` elements have `timestamp` attribute, and `test suite documentation`_
+and metadata__ is stored as `<property>` elements.
+
__ http://en.wikipedia.org/wiki/XUnit
__ http://jenkins-ci.org
__ https://wiki.jenkins-ci.org/display/JENKINS/Robot+Framework+Plugin
+__ `Free test suite metadata`_
Debug file
~~~~~~~~~~
