GNU bug report logs - #74215
(when 1) evaluates to 1 on latest master

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Package: emacs;

Reported by: "Brennan Vincent" <brennan <at> umanwizard.com>

Date: Tue, 5 Nov 2024 18:01:01 UTC

Severity: normal

Done: Mattias Engdegård <mattias.engdegard <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: "Brennan Vincent" <brennan <at> umanwizard.com>, Mattias Engdegård <mattiase <at> acm.org>
Cc: 74215 <at> debbugs.gnu.org
Subject: bug#74215: (when 1) evaluates to 1 on latest master
Date: Tue, 05 Nov 2024 21:12:20 +0200

> From: "Brennan Vincent" <brennan <at> umanwizard.com>
> Date: Tue, 05 Nov 2024 12:59:43 -0500
> 
> (when 1) evaluates to 1, rather than nil, on latest master. This is
> contrary to the documentation, which reads:
> 
> When COND yields non-nil, eval BODY forms sequentially and return
> value of last one, or nil if there are none.
> 
> According to some discussion on IRC (thanks thuna`), this seems to have
> been introduced here:
> 
> https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=7c63b632e4e

Thanks.  Emacs 30 also shows this behavior, but Emacs 29 doesn't.

Mattias, could you please take a look?
This bug report was last modified 192 days ago.

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