&$confstr: reference to a hash key string which can be modified
$user: User (object) requesting the page
-'PageViewUpdate': Allow database (or other) changes to be made after a
+'PageViewUpdates': Allow database (or other) changes to be made after a
page view is seen by MediaWiki. Note this does not capture views made
via external caches such as Squid.
$wikipage: WikiPage (object) for the page being viewed.
'PasswordPoliciesForUser': Alter the effective password policy for a user.
$user: User object whose policy you are modifying
&$effectivePolicy: Array of policy statements that apply to this user
+$purpose: string indicating purpose of the check, one of 'login', 'create',
+ or 'reset'
'PerformRetroactiveAutoblock': Called before a retroactive autoblock is applied
to a user.