$iswatch: watch flag
$section: section #
+'AuthPluginSetup': update or replace authentication plugin object ($wgAuth)
+Gives a chance for an extension to set it programattically to a variable class.
+&$auth: the $wgAuth object, probably a stub
+
'AutoAuthenticate': called to authenticate users on external/environmental means
$user: writes user object to this parameter
$oldRev: Revision object of the "old" revision (may be null/invalid)
$newRev: Revision object of the "new" revision
+'EditPage::attemptSave': called before an article is
+saved, that is before insertNewArticle() is called
+&$editpage_Obj: the current EditPage object
+
'EditFormPreloadText': Allows population of the edit form when creating new pages
&$text: Text to preload with
&$title: Title object representing the page being created
&$personal_urls: Array of link specifiers (see SkinTemplate.php)
&$title: Title object representing the current page
+'PingLimiter': Allows extensions to override the results of User::pingLimiter()
+&$user : User performing the action
+$action : Action being performed
+&$result : Whether or not the action should be prevented
+Change $result and return false to give a definitive answer, otherwise
+the built-in rate limiting checks are used, if enabled.
+
+'PreferencesUserInformationPanel': Add HTML bits to user information list in preferences form
+$form : PreferencesForm object
+&$html : HTML to append to
+
'SiteNoticeBefore': Before the sitenotice/anonnotice is composed
&$siteNotice: HTML returned as the sitenotice
Return true to allow the normal method of notice selection/rendering to work,
$uploadFormTextAfterSummary to inject text (HTML) either before
or after the editform.
+'UploadForm:BeforeProcessing': at the beginning of processUpload()
+$form: UploadForm object
+Lets you poke at member variables like $mUploadDescription before the
+file is saved.
+
'UploadVerification': additional chances to reject an uploaded file
string $saveName: destination file name
string $tempName: filesystem path to the temporary file for checks