$revision: New Revision of the article
$status: Status object about to be returned by doEditContent()
$baseRevId: the rev ID (or false) this edit was based on
+$undidRevId: the rev ID (or 0) this edit undid
'ArticleUndelete': When one or more revisions of an article are restored.
&$title: Title corresponding to the article restored
nothing)
$status: Status object about to be returned by doEditContent()
$baseRevId: the rev ID (or false) this edit was based on
+$undidRevId: the rev ID (or 0) this edit undid
'PageHistoryBeforeList': When a history page list is about to be constructed.
&$article: the article that the history is loading for