bug#23933: 25.1.50; Run a buffer-local hook with mapc

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Tino Calancha <tino.calancha@gmail.com>,  23933@debbugs.gnu.org,  
> kifer@cs.stonybrook.edu
> Date: Sun, 10 Jul 2016 11:18:56 -0400
> 
> A hook is a symbol whose symbol-value slot holds a list of functions;
> this happens to match a dynamically-bound variable, but not
> a lexically-bound variable.

Maybe I misunderstand this, but are you saying a hook (and run-hooks)
cannot be used in a file that uses lexical-binding?  If so, we had
better documented that.