From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.bugs Subject: bug#6743: Backslash regexp in Elisp manual Date: Wed, 28 Jul 2010 02:25:35 +0200 Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1280277474 19986 80.91.229.12 (28 Jul 2010 00:37:54 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 28 Jul 2010 00:37:54 +0000 (UTC) Cc: 6743@debbugs.gnu.org To: Arni Magnusson Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jul 28 02:37:53 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Oduea-0004Vr-LR for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Jul 2010 02:37:49 +0200 Original-Received: from localhost ([127.0.0.1]:52489 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OdueZ-0003r3-DP for geb-bug-gnu-emacs@m.gmane.org; Tue, 27 Jul 2010 20:37:47 -0400 Original-Received: from [140.186.70.92] (port=50063 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OdueU-0003qx-4I for bug-gnu-emacs@gnu.org; Tue, 27 Jul 2010 20:37:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OdueS-0000Lx-Ls for bug-gnu-emacs@gnu.org; Tue, 27 Jul 2010 20:37:42 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:38542) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OdueS-0000Lr-Bu for bug-gnu-emacs@gnu.org; Tue, 27 Jul 2010 20:37:40 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1OduTB-0002Id-M1; Tue, 27 Jul 2010 20:26:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Juanma Barranquero Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 28 Jul 2010 00:26:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6743 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 6743-submit@debbugs.gnu.org id=B6743.12802767498832 (code B ref 6743); Wed, 28 Jul 2010 00:26:01 +0000 Original-Received: (at 6743) by debbugs.gnu.org; 28 Jul 2010 00:25:49 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OduSy-0002IP-67 for submit@debbugs.gnu.org; Tue, 27 Jul 2010 20:25:48 -0400 Original-Received: from mail-bw0-f44.google.com ([209.85.214.44]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OduSw-0002IE-W7 for 6743@debbugs.gnu.org; Tue, 27 Jul 2010 20:25:47 -0400 Original-Received: by bwz7 with SMTP id 7so3996725bwz.3 for <6743@debbugs.gnu.org>; Tue, 27 Jul 2010 17:25:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=MfkZCAPBFqtHE3tbAyhIYhS3pZel4SpBq1kpXkO1oOM=; b=IICGuzQ1qTH3mLld25BdRy470EzqUkke678+7dqBIqWp8yPn6duf1EGHIUdpx4q+Rl orppIqCmvP8V4KLqJfV+j+JgK7Zdg8YZglL1uYieWqkqQKI7fqNzq9y+VpT9pt3MsUVy n61hLPZuiem+sp1eLOCDC0BRVGTD9H8X6Qgps= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=HlQj8WHOAM1VYhLRM/IleAdfzlOWYVS4lVcJCHFpBfY+l1gH6IKheT9j+kJOblkTfn gwQF3bNg5l5eb8y+VifiG96j6kLK5WiRWYHEgwtoHeIYtOO4BsSzu6Xp3SYw4EPKOvfs OYtqoGoe+1hT0DGGvM+XAydPtb/PxBkRP0EIU= Original-Received: by 10.204.127.75 with SMTP id f11mr7425090bks.85.1280276755207; Tue, 27 Jul 2010 17:25:55 -0700 (PDT) Original-Received: by 10.204.180.136 with HTTP; Tue, 27 Jul 2010 17:25:35 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Tue, 27 Jul 2010 20:26:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:39009 Archived-At: On Wed, Jul 28, 2010 at 01:31, Arni Magnusson wrote: > =C2=A0Therefore, the read syntax for a regular expression matching > =C2=A0@samp{\} is @code{"\\\\"}. > > should be > > =C2=A0Therefore, the read syntax for a regular expression matching > =C2=A0@samp{\\} is @code{"\\\\"}. Why do you think so? The section is talking about the read syntax. To match \, you need a regexp with \\, and to write \\ in a string, you need \\\\. Try emacs -Q \ M-: (looking-at "\\") =3D> (invalid-regexp "Trailing backslash") q M-: (looking-at "\\\\") =3D> t Note that \\\\ is matching a single \ on the buffer, not \\ =C2=A0 =C2=A0 Juanma