Article tabs are wrong when page is protected via cascading from another page.
To reproduce: visit https://pl.wikipedia.org/wiki/Wikipedia:Strona_główna?uselang=en and behold the "Edit source" link, even if you're anonymus.
Version: unspecified
Severity: minor
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=11700