It's a mediawiki feature: there's a set of pages that get treated as JS/CSS and shown for either all users or specifically you. You do need to be an admin to ed

It's a mediawiki feature: there's a set of pages that get treated as JS/CSS and shown for either all users or specifically you. You do need to be an admin to edit the ones that get shown to all users. https://www.mediawiki.org/wiki/Manual:Interface/JavaScript https://www.mediawiki.org/wiki/Manual:Interface/JavaScript