GNU bug report logs - #41445
26.3; Query-replace triggers "match data clobbered by..."

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Package: emacs;

Reported by: ture <at> turepalsson.se (Ture Pålsson)

Date: Fri, 22 May 2020 05:56:01 UTC

Severity: normal

Tags: patch

Found in version 26.3

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

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Message #46 received at 41445 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>, Eli Zaretskii <eliz <at> gnu.org>
Cc: Mattias Engdegård <mattiase <at> acm.org>,
 ture <at> turepalsson.se, 41445 <at> debbugs.gnu.org
Subject: RE: bug#41445: 26.3; Query-replace triggers "match data clobbered
 by..."
Date: Sat, 23 May 2020 08:43:33 -0700 (PDT)

>     NOTE: The convention in Elisp is that any function, except for a
>     few exceptions like car/assoc/+/goto-char, can clobber the match
>     data, so `save-match-data' should normally be used to save *your* 
>     match data rather than your caller's match data.

+1.  I like that, especially the last phrase.
Clear; important to get across.
This bug report was last modified 4 years and 364 days ago.

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