Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@yariplus I have a dejavu xD
@Richard-Giles It's [[ categories:categoryname]] (without leading space) for the category name when following the steps of @yariplus
And to keep a reference gh#4361
You can check your browser's console and network tab for any failed requests. Also check the server logs for any errors.