From: Michael Wright <wrightmikea@gmail.com>
To: 15107@debbugs.gnu.org
Subject: bug#15107: reproduced on emacs-25 branch
Date: Sat, 5 Mar 2016 20:18:50 -0800 [thread overview]
Message-ID: <CAGkLq6ejGGE3r9HsNYehfd63=6WPJf3HWYcEOG7pbmp7D9JOAQ@mail.gmail.com> (raw)
In-Reply-To: <87eh9uk3c6.fsf@blah.blah>
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Kevin Ryde <user42@zip.com.au> writes:
> replace-regexp-in-string behaves incorrectly if a regexp has \` among
> its matches.
>
> (replace-regexp-in-string "\\`\\|X" "Z" "--XX--" t t)
> =>
> "Z--ZXZX--"
>
> where I expected
>
> "Z--ZZ--"
>
> This seems to be due to the optimization in replace-regexp-in-string
> which re-matches on the matched substring. \' can match the substring
> where it did not match in the middle of the full string. In the example
> above "X" is the match in the full string, but on taking that "X" as a
> substring it can match "\\`".
I built the emacs-25 git branch I recreated the above bug today.
GNU Emacs 25.0.92.1 (x86_64-apple-darwin13.4.0, NS appkit-1265.21 Version
10.9.5 (Build 13F1507))
of 2016-03-05
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next prev parent reply other threads:[~2016-03-06 4:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-15 22:15 bug#15107: 24.3; replace-regexp-in-string wrong on \` Kevin Ryde
2016-03-06 4:18 ` Michael Wright [this message]
2016-08-30 23:57 ` bug#15107: [PATCH] Add replace-regexp-in-string regression test Erik Anderson
2016-08-31 14:24 ` Eli Zaretskii
2016-08-31 14:36 ` Erik Anderson
2016-08-31 15:01 ` Eli Zaretskii
2016-08-31 15:13 ` Noam Postavsky
2016-08-31 15:32 ` Erik Anderson
2016-08-31 16:04 ` Eli Zaretskii
2016-09-01 15:46 ` Eli Zaretskii
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