Board Thread:Support Requests - Getting Technical/@comment-3581054-20170320120648/@comment-1073922-20170322012646

You don't need to use Unicode characters or disable subpages in the mainspace. The RuneScape Wiki uses Javascript to hide the base page link — ctrl-f "subpage" on MediaWiki:Common.js. It works in conjunction with Template:Restricted title, which adds class  when the subpage parameter is filled in.