GNU bug report logs - #77550
Regression in macroexpand from a4ec9ca (April 1)

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Sean Whitton <spwhitton <at> spwhitton.name>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#77550: closed (Regression in macroexpand from a4ec9ca (April 1))
Date: Sat, 05 Apr 2025 23:33:01 +0000

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Your message dated Sun, 06 Apr 2025 07:32:15 +0800
with message-id <878qoeqj5s.fsf <at> melete.silentflame.com>
and subject line Re: bug#77550: Regression in macroexpand from a4ec9ca (April 1)
has caused the debbugs.gnu.org bug report #77550,
regarding Regression in macroexpand from a4ec9ca (April 1)
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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77550: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=77550
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ship Mints <shipmints <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: Daniel Mendler <mail <at> daniel-mendler.de>
Subject: Regression in macroexpand from a4ec9ca (April 1)
Date: Sat, 5 Apr 2025 09:23:41 -0400

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Below found in the wild expanding a macro from Daniel's marginalia package.

Emacs 30
(macroexpand-all '(foo bar)) -> (foo bar)
(macroexpand-all '((foo) bar)) -> ((foo) bar)

master
(macroexpand-all '(foo bar)) -> (foo bar)
(macroexpand-all '((foo) bar)) -> signals an error

Debugger entered--Lisp error: (wrong-type-argument symbolp (foo))
  signal(wrong-type-argument (symbolp (foo)))
  function-get((foo) compiler-macro)

Whether this is an intended or unintended consequence, I can't say, not
being a macro expert.

-Stephane (and Daniel)

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From: Sean Whitton <spwhitton <at> spwhitton.name>
To: Ship Mints <shipmints <at> gmail.com>, Alan Mackenzie <acm <at> muc.de>
Cc: Daniel Mendler <mail <at> daniel-mendler.de>, 77550-done <at> debbugs.gnu.org
Subject: Re: bug#77550: Regression in macroexpand from a4ec9ca (April 1)
Date: Sun, 06 Apr 2025 07:32:15 +0800

Hello,

Thanks to Alan for the fix -- installed.

-- 
Sean Whitton

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