Thread:Help talk:Extension:Translate/Required rights for "Special:PageTranslationDeletePage"/reply

Works for me on Meta (where I'm translation admin): You do not have permission to delete this page, for the following reason:

The action you have requested is limited to users in the group: Administrators.

But yes, permissions could be checked earlier. I expanded docs a bit.

And yes, it's one of many unlisted special pages.