'EditPageBeforeEditToolbar': Allows modifying the edit toolbar above the
textarea in the edit form.
-&$toolbar: The toolbar HTMl
+&$toolbar: The toolbar HTML
+Hook subscribers can return false to avoid the default toolbar code being loaded.
'EditPageCopyrightWarning': Allow for site and per-namespace customization of
contribution/copyright notice.
$title: the Title of the rendered page.
$parserOutput: ParserOutput resulting from rendering the page.
+'OtherAutoblockLogLink': Get links to the autoblock log from extensions which
+autoblocks users and/or IP addresses too.
+&$otherBlockLink: An array with links to other autoblock logs
+
'OtherBlockLogLink': Get links to the block log from extensions which blocks
users and/or IP addresses too.
&$otherBlockLink: An array with links to other block logs
$performer: User who performed the change, false if via autopromotion
$reason: The reason, if any, given by the user performing the change,
false if via autopromotion.
+$oldUGMs: An associative array (group name => UserGroupMembership object) of
+the user's group memberships before the change.
+$newUGMs: An associative array (group name => UserGroupMembership object) of
+the user's current group memberships.
'UserIsBlockedFrom': Check if a user is blocked from a specific page (for
specific block exemptions).