GNU bug report logs - #70136
30.0.50; comint-mode doesn't call hack-dir-local-variables-non-file-buffer

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Augusto Stoffel <arstoffel <at> gmail.com>
Cc: 70136 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca
Subject: bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer
Date: Wed, 17 Apr 2024 16:03:18 +0300

> From: Augusto Stoffel <arstoffel <at> gmail.com>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  70136 <at> debbugs.gnu.org
> Date: Wed, 17 Apr 2024 10:31:42 +0200
> 
> On Tue, 16 Apr 2024 at 22:58, Stefan Monnier wrote:
> 
> > And since this var is needed only to avoid breaking backward
> > compatibility, it would be desirable to have a plan to get rid of it in
> > the longer term.
> 
> I definitely agree with this.  Eli's worry is about retaining
> compatibility with buggy code (in this case, a hypothetical
> .dir-locals.el that doesn't properly map variables to the desired
> modes), so the compatibility workarounds, if any at all, should be
> transitional.

This is not so much about buggy .dir-locals.el, this is about
non-buggy .dir-locals.el that have customizations for nil mode --
those customizations might not expect non-file modes to be affected.

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