Manual:Hooks/DifferenceEngineOldHeader

Details

 * $differenceEngine: DifferenceEngine object
 * &$oldHeader: The string containing the various #mw-diff-otitle[1-5] divs, which include things like revision author info, revision comment, RevisionDelete link and more
 * $prevlink: String containing the link to the previous revision (if any); also included in $oldHeader
 * $oldminor: String indicating if the old revision was marked as a minor edit
 * $diffOnly: Boolean parameter passed to DifferenceEngine#showDiffPage, indicating whether we should show just the diff; passed in as a query string parameter to the various URLs constructed here (i.e. $prevlink)
 * $ldel: RevisionDelete link for the old revision, if the current user is allowed to use the RevisionDelete feature
 * $unhide: Boolean parameter indicating whether to show RevisionDeleted revisions