Fragen? Antworten! Siehe auch: Alternativlos
No. MediaWiki doesn't target this type of environment, and our policy is to be open about the fact that we are not built for that, since security problems in an unmaintained, half-done approach are likely to crop up constantly.*schenkelklopf* (Danke, Lukas)
If you actually need fancy read restrictions to keep some of your own people from reading each others' writing, MediaWiki is not the right software for you.
I hadn't realized this bug was actually still open, I'm resolving it as WONTFIX.