This category may not be up to date; it may not show all extensions that use this hook. You can view this MediaWiki Code search query to see the most up-to-date version of all extensions that use this hook.
The OutputPageParserOutput category contains pages on extensions that use the OutputPageParserOutput hook.
Pages in category "OutputPageParserOutput extensions"
The following 53 pages are in this category, out of 53 total.