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 ParserOptionsRegister category contains pages on extensions that use the ParserOptionsRegister hook.
Pages in category "ParserOptionsRegister extensions"
The following 6 pages are in this category, out of 6 total.