$apiMain: Calling ApiMain instance.
$e: Exception object.
+'ApiMakeParserOptions': Called from ApiParse and ApiExpandTemplates to allow
+extensions to adjust the ParserOptions before parsing.
+$options: ParserOptions object
+$title: Title to be parsed
+$params: Parameter array for the API module
+$module: API module (which is also a ContextSource)
+&$reset: Set to a ScopedCallback used to reset any hooks after the parse is done.
+&$suppressCache: Set true if cache should be suppressed.
+
'ApiOpenSearchSuggest': Called when constructing the OpenSearch results. Hooks
can alter or append to the array.
&$results: array with integer keys to associative arrays. Keys in associative
'CategoryAfterPageRemoved': After a page is removed from a category.
$category: Category that page was removed from
$wikiPage: WikiPage that was removed
+$id: the page ID (original ID in case of page deletions)
'CategoryPageView': Before viewing a categorypage in CategoryPage::view.
&$catpage: CategoryPage instance
$user: User object representing user contributions are being fetched for
$sp: SpecialPage instance, providing context
+'SpecialContributions::formatRow::flags': Called before rendering a
+Special:Contributions row.
+$context: IContextSource object
+$row: Revision information from the database
+&$flags: List of flags on this row
+
'SpecialContributions::getForm::filters': Called with a list of filters to render
on Special:Contributions.
$sp: SpecialContributions object, for context