'AbortEmailNotification': Can be used to cancel email notifications for an edit.
$editor: The User who made the change.
$title: The Title of the page that was edited.
+$rc: The current RecentChange object.
'AbortLogin': Return false to cancel account login.
$user: the User object being authenticated against
'SendWatchlistEmailNotification': Return true to send watchlist email notification
$targetUser: the user whom to send watchlist email notification
$title: the page title
-$this: EmailNotification object
+$enotif: EmailNotification object
'AbortChangePassword': Return false to cancel password change.
$user: the User object to which the password change is occuring
&$blacklist: array of checks to blacklist. See the bottom of
maintenance/language/checkLanguage.inc for the format of this variable.
+'LocalisationIgnoredOptionalMessages': When fetching the list of ignored and
+optional localisation messages
+&$ignored Array of ignored message keys
+&$optional Array of optional message keys
+
'LogEventsListShowLogExtract': Called before the string is added to OutputPage.
Returning false will prevent the string from being added to the OutputPage.
&$s: html string to show for the log extract
message must be in HTML format, not wikitext!
&$link: overridable HTML link to be passed into the message as $1
&$forContent: overridable flag if copyright footer is shown in content language.
+ This parameter is deprecated.
'SkinGetPoweredBy': TODO
&$text: additional 'powered by' icons in HTML. Note: Modern skin does not use
&$whitelisted: Boolean value of whether this title is whitelisted
'TitleSquidURLs': Called to determine which URLs to purge from HTTP caches.
-$this: Title object to purge
+$title: Title object to purge
&$urls: An array of URLs to purge from the caches, to be manipulated.
'UndeleteForm::showHistory': Called in UndeleteForm::showHistory, after a