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: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: "Brennan Vincent" <brennan <at> umanwizard.com>
Subject: bug#74215: closed (Re: bug#74215: (when 1) evaluates to 1 on
 latest master)
Date: Wed, 06 Nov 2024 12:51:02 +0000

[Message part 1 (text/plain, inline)]
Your bug report

#74215: (when 1) evaluates to 1 on latest master

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 74215 <at> debbugs.gnu.org.

-- 
74215: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=74215
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]
From: Mattias Engdegård <mattias.engdegard <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Brennan Vincent <brennan <at> umanwizard.com>, 74215-done <at> debbugs.gnu.org
Subject: Re: bug#74215: (when 1) evaluates to 1 on latest master
Date: Wed, 6 Nov 2024 13:49:12 +0100

>> (when 1) evaluates to 1, rather than nil

Very sorry about that; now fixed. Thank you for reporting it!

(I haven't had much Emacs time lately and am clearly building up a backlog but this was clearly my fault and quickly remedied.)



[Message part 3 (message/rfc822, inline)]
From: "Brennan Vincent" <brennan <at> umanwizard.com>
To: bug-gnu-emacs <at> gnu.org
Subject: (when 1) evaluates to 1 on latest master
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
This bug report was last modified 193 days ago.

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