GNU bug report logs - #56739
29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros

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Package: emacs;

Reported by: Wing Hei Chan <whmunkchan <at> outlook.com>

Date: Sun, 24 Jul 2022 12:34:03 UTC

Severity: normal

Tags: patch

Found in version 29.0.50

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: 56739 <at> debbugs.gnu.org
Cc: michael_heerdegen <at> web.de, whmunkchan <at> outlook.com, monnier <at> iro.umontreal.ca, stefankangas <at> gmail.com
Subject: bug#56739: 29.0.50; `cl-psetq' and `cl-psetf' fail to recognize symbol macros
Date: Sat, 09 Sep 2023 18:33:59 +0200

Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs <at> gnu.org> writes:

>> Setq, with CL behaviour, would behave like setf for symbol macros.  And
>> setq is in C.  I don't know if maintainers would accept such a change in
>> C (performance, dependencies, ...).
>
> Quoting cl-macs.el:
>
>     [...]
>     (defun cl--sm-macroexpand-1 (orig-fun exp &optional env)
>     [...]
>            ;; Convert setq to setf if required by symbol-macro expansion.
>     [...]

Clever :-)
This bug report was last modified 1 year and 282 days ago.

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