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From: Eli Zaretskii <eliz@gnu.org>
To: "Mattias Engdegård" <mattias.engdegard@gmail.com>
Cc: jdc@uwo.ca, 68931@debbugs.gnu.org, monnier@iro.umontreal.ca
Subject: bug#68931: 30.0.50; Gnus byte-compilation error with (display . [not expire]) with git emacs
Date: Mon, 05 Feb 2024 16:32:10 +0200	[thread overview]
Message-ID: <86jznj0yol.fsf@gnu.org> (raw)
In-Reply-To: <523B7DE4-EA66-4686-845A-35CDCC575F92@gmail.com> (message from Mattias Engdegård on Mon, 5 Feb 2024 15:00:36 +0100)

> From: Mattias Engdegård <mattias.engdegard@gmail.com>
> Date: Mon, 5 Feb 2024 15:00:36 +0100
> Cc: Dan Christensen <jdc@uwo.ca>,
>  68931@debbugs.gnu.org,
>  Stefan Monnier <monnier@iro.umontreal.ca>
> 
> >> Debugger entered--returning value: "Malformed function ‘#[0 \"\\301\\300!\\207\" [expire gnus-article-marked-p] 2]’"
> ...
> >> * gnus-summary-display-make-predicate((not expire))
> 
> Apparently, gnus-category-make-function-1 creates code that isn't really valid Lisp but that we have previously allowed anyway: (F ...) where F is a (non-symbol) function value, instead of using `funcall`.
> 
> We could (and probably should) allow this for compatibility but perhaps it's time to at least start warning about it? It makes the quirky semantics of a Lisp-2 even quirkier.

I think the offending function should be fixed not to produce invalid
code, rather than support such code.





  reply	other threads:[~2024-02-05 14:32 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-04 22:11 bug#68931: 30.0.50; Gnus byte-compilation error with (display . [not expire]) with git emacs Dan Christensen
2024-02-05 12:50 ` Eli Zaretskii
2024-02-05 14:00   ` Mattias Engdegård
2024-02-05 14:32     ` Eli Zaretskii [this message]
2024-02-05 15:42       ` Eric Abrahamsen
2024-02-05 17:00         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-06 20:42           ` Eric Abrahamsen
2024-02-06 20:46             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-06 21:08               ` Eric Abrahamsen
2024-02-21 19:28           ` Dan Christensen
2024-02-21 22:05             ` Eric Abrahamsen
2024-03-03  2:30               ` Eric Abrahamsen
2024-02-05 14:33     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-05 17:13       ` Mattias Engdegård
2024-02-05 17:23         ` Dan Christensen
2024-02-05 19:12           ` Eli Zaretskii

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