Re: Message's text-properties in *Messages*

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Cc: address@hidden
> Date: Wed, 30 May 2018 22:09:50 -0400
> 
> BTW now I see that message_dolog indeed runs the after-change-functions
> as well, so it already runs arbitrary Lisp code (and if its
> after-change-functions call `message` you get funny results).

That's Emacs giving you enough rope to hang yourself.  The important
part is that by the time these hooks run, we are done using the C
pointer to the message, so we no longer care about any GC effects.