&$pageLang: the page content language. Input can be anything (under control of
hook subscribers), but hooks should return Language objects. Language code
strings are deprecated.
-$userLang: the user language (Language or StubUserLang object)
+$userLang: the user language (Language object)
'PageContentSave': Before an article is saved.
$wikiPage: the WikiPage (object) being saved
- text - String for the text
- attribs - Array of attributes
- query - Array of query parameters to add to the URL
- - options - Array of options for Linker::link
$lang: The language code to use for the link in the wfMessage function
'SkinGetPoweredBy': TODO