Re: Fixing post-self-insert-hook.

[Eli Zaretskii <eliz@gnu.org>]

> Date: Fri, 17 Sep 2021 19:37:27 +0000
> From: Alan Mackenzie <acm@muc.de>
> Cc: João Távora <joaotavora@gmail.com>
> 
> Given that it is now (at least politically) impossible to ban buffer
> changing post-self-insert-hook functions, I propose to change the time at
> which the hook gets called.
> 
> Instead of getting called straight after the self-insert-command, it
> should be called at the end of the command which called
> self-insert-command.  Just before post-command-hook, perhaps.  Yes there
> are details to be worked out.
> 
> This will make no difference to the usual self-insert-command call.  It
> will, however, restore the certainty of processing to Lisp code such as
> c-electric-brace without having to resort to ugly workarounds.

If CC Mode has problem with these hooks, it could bind them to nil
around the call to self-insert-command, couldn't it?  That'd be much
better than making any globally-visible change in behavior, for which
we cannot possibly know the unintended consequences.

In any case, please let's not make this change before the emacs-28
branch is cut, as it can potentially disrupt many places.