GNU bug report logs - #15107
24.3; replace-regexp-in-string wrong on \`

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Package: emacs;

Reported by: Kevin Ryde <user42 <at> zip.com.au>

Date: Thu, 15 Aug 2013 22:17:02 UTC

Severity: normal

Tags: confirmed, patch

Merged with 44861

Found in versions 24.3, 25.1, 27.1

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

Bug is archived. No further changes may be made.

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Message #18 received at 15107 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Erik Anderson <erikbpanderson <at> gmail.com>
Cc: 15107 <at> debbugs.gnu.org
Subject: Re: bug#15107: [PATCH] Add replace-regexp-in-string regression test
Date: Wed, 31 Aug 2016 17:24:39 +0300

> From: Erik Anderson <erikbpanderson <at> gmail.com>
> Date: Tue, 30 Aug 2016 23:57:35 +0000
> 
> I can confirm the buggy behavior on emacs 24.5.1 and 25.1.50.1 for Kevin's example as well as:
> 
> (replace-regexp-in-string "^.\\| ." #'upcase "foo bar")
> > "Foo bar"  (should be "Foo Bar")

Maybe I'm missing something, but I don't see why this is a bug.  The
input string "foo bar" matches the "^." alternative in its entirety,
so there's no reason to expect Emacs to apply 'upcase' twice.
This bug report was last modified 4 years and 170 days ago.

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