From: Tino Calancha <tino.calancha@gmail.com>
To: zhanghj <netjunegg@gmail.com>
Cc: Tino Calancha <tino.calancha@gmail.com>,
Emacs developers <emacs-devel@gnu.org>
Subject: Re: query-replace-regexp: Can't use \0 in TO-STRING
Date: Sat, 6 May 2017 14:04:46 +0900 (JST) [thread overview]
Message-ID: <alpine.DEB.2.20.1705061354350.13425@calancha-pc> (raw)
In-Reply-To: <m2pofmreta.fsf@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 719 bytes --]
On Sat, 6 May 2017, zhanghj wrote:
> The doc says:
> In TO-STRING, ‘\&’ or ‘\0’ stands for whatever matched the whole of
> REGEXP, and ‘\N’ (where N is a digit) stands for whatever matched
> the Nth ‘\(...\)’ (1-based) in REGEXP. The ‘\(...\)’ groups are
> counted from 1.
>
> But when using \0, emacs gives the following error message:
> match-substitute-replacement: Invalid use of ‘\’ in replacement text
>
> Using \& is OK.
Thanks.
The docstring for `query-replace-regexp' was updated in commit 38f4b8ea615
to fix Bug#23884.
Apparently, \0 has never referred to the whole match in this command
(\& it does), so we might want to skip \0 from this docstring and the
manual.
Regards,
Tino
next prev parent reply other threads:[~2017-05-06 5:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-06 0:48 query-replace-regexp: Can't use \0 in TO-STRING zhanghj
2017-05-06 5:04 ` Tino Calancha [this message]
2017-05-06 8:09 ` Eli Zaretskii
2017-05-06 10:34 ` Tino Calancha
2017-05-07 3:48 ` zhanghj
2017-05-19 8:13 ` Eli Zaretskii
2017-05-06 12:28 ` zhanghj
2017-05-06 12:39 ` Tino Calancha
2017-05-07 3:55 ` zhanghj
2017-05-07 14:48 ` Eli Zaretskii
2017-05-09 22:02 ` Juri Linkov
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