GNU bug report logs - #79208
[PATCH] (setq-default,setopt): Warn about unknown vars.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Eshel Yaron <me <at> eshelyaron.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 79208 <at> debbugs.gnu.org
Subject: bug#79208: [PATCH] (setq-default, setopt): Warn about unknown vars.
Date: Sun, 10 Aug 2025 14:59:37 +0300

> Date: Sun, 10 Aug 2025 13:05:08 +0200
> From:  Eshel Yaron via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> This patch makes the byte-compiler (and by extension, Flymake), emit
> warnings when setq-default and setopt are used to set the value of
> unknown variables, similarly to the warnings we get with setq.
> 
> Ideally we should do something similar for setq-local, but AFAICT that
> requires a different solution due to different implementation details.

Stefan, any comments?

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