Subject: bug#70136: 30.0.50; compilation-mode [was: comint-mode] doesn't call hack-dir-local-variables-non-file-buffer

From: Stefan Monnier <[email-masked]>
Date: Wed, 17 Apr 2024 13:55:55 -0400

>> That commit I referred to had AFAICT the same effect as the one
>> discussed here: it made some modes (diff-mode, log-edit-mode, and a few
>> more) obey dir-locals whereas they didn't before.
>> And dir-locals existed since several years before that.
>> 
>> Why would it be more likely for them to have .dir-locals which
>> accidentally affect grep-mode than diff-mode/log-edit-mode/...?
>> 
>> AFAICT it risked the exact same backward compatibility problems.
>
> So we should risk it again?

Well, that risk paid off because by all accounts it seems that noone
suffered (and some people benefited), so that argues in favor of taking
that risk again.

        Stefan