+'RevisionDataUpdates': Called when constructing a list of DeferrableUpdate to be
+executed to record secondary data about a revision.
+$title The Title of the page the revision belongs to
+$renderedRevision a RenderedRevision object representing the new revision and providing access
+ to the RevisionRecord as well as ParserOutput of that revision.
+&$updates A list of DeferrableUpdate that can be manipulated by the hook handler.
+