This is a list of problems and possibly, their solutions, related to the MediaWiki engine.
Requires something to identify what can be tooltipped!
Doesn't seem to work. For instance: File:Lopezcarreno16a.pdf gives in File Usage:
There are no pages that link to this file.
although the "What links there" shows otherwise. It used to work at some point, I don't know when/why it broke.