&$confstr: reference to a hash key string which can be modified
$user: User (object) requesting the page
+'PageViewUpdate': Allow database (or other) changes to be made after a
+page view is seen by MediaWiki. Note this does not capture views made
+via external caches such as Squid.
+$wikipage: WikiPage (object) for the page being viewed.
+$user: User (object) for the user who is viewing.
+
'ParserAfterParse': Called from Parser::parse() just after the call to
Parser::internalParse() returns.
$parser: parser object