The following warnings are produced in the log file when eclipse is started with
the changelog plugin installed:
!ENTRY org.eclipse.ui 1 0 2006-04-22 01:21:56.510
!MESSAGE Warnings while parsing the commands from the 'org.eclipse.ui.commands'
and 'org.eclipse.ui.actionDefinitions' extension points.
!SUBENTRY 1 org.eclipse.ui 1 0 2006-04-22 01:21:56.511
!MESSAGE Commands should really have a category, not categoryId='':
This is because keybinding element in 'org.eclipse.ui.commands' extension, and
it is fixed in 2.2.2.
Not 2.2.2, but future release will have it fixed.