bug#46331: provided-mode-derived-p doesn't work on aliases

[Lars Ingebrigtsen]

Reuben Thomas <rrt@sc3d.org> writes:

> I just looked at the history of provided-mode-derived-p, and it seems that a 
> fix had
> already been made for this problem. See commit 48ff4c0b2f7. (I am using emacs
> 26.3, which does not have this fix.)

No, that fix was for the opposite problem.  :-)  It allows checking
parents that are aliases, but does nothing for checking a child that's an
alias.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no