GNU bug report logs - #65797
`buffer-match-p` should not use `func-arity`

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Package: emacs;

Reported by: Joseph Turner <joseph <at> breatheoutbreathe.in>

Date: Thu, 7 Sep 2023 07:56:02 UTC

Severity: normal

Found in version 29.0.92

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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Message #31 received at 65797 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 65797 <at> debbugs.gnu.org, Joseph Turner <joseph <at> breatheoutbreathe.in>
Subject: Re: bug#65797: 29.0.92; func-arity should not return (0 . many)
 with apply-partially
Date: Fri, 08 Sep 2023 11:52:25 -0400

>> This isn't backwards compatible, is it?
> Neither is what you propose, AFAIU.  We are in effect changing a
> public API in incompatible ways.

Yup, AFAICT there's no way to implement the Texinfo-documented
behavior reliably.

So some backward-incompatibility is inevitable, unless we decide to
stick to the current code to be "bug compatible" :-(


        Stefan
This bug report was last modified 1 year and 217 days ago.

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