From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Luc Teirlinck Newsgroups: gmane.emacs.devel Subject: Re: Unquoted special characters in regexps Date: Sun, 26 Feb 2006 11:19:43 -0600 (CST) Message-ID: <200602261719.k1QHJhg05273@raven.dms.auburn.edu> References: <4400AD8E.5050001@gmx.at> <4400BBB1.2050800@gmx.at> <200602252234.k1PMY9A24651@raven.dms.auburn.edu> <4401AB1A.6030409@gmx.at> NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1141412470 9095 80.91.229.2 (3 Mar 2006 19:01:10 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 3 Mar 2006 19:01:10 +0000 (UTC) Cc: schwab@suse.de, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Mar 03 20:01:07 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FFFWE-0002MO-O4 for ged-emacs-devel@m.gmane.org; Fri, 03 Mar 2006 20:00:51 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FFFWE-0001AO-2l for ged-emacs-devel@m.gmane.org; Fri, 03 Mar 2006 14:00:50 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FEuvY-0000Oc-GS for emacs-devel@gnu.org; Thu, 02 Mar 2006 16:01:36 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FDPdM-0001kZ-RH for emacs-devel@gnu.org; Sun, 26 Feb 2006 12:25:13 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FDPdC-0001iQ-7i for emacs-devel@gnu.org; Sun, 26 Feb 2006 12:24:27 -0500 Original-Received: from [131.204.53.104] (helo=manatee.dms.auburn.edu) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FDPdi-0006Ef-7H for emacs-devel@gnu.org; Sun, 26 Feb 2006 12:24:58 -0500 Original-Received: from raven.dms.auburn.edu (raven.dms.auburn.edu [131.204.53.29]) by manatee.dms.auburn.edu (8.13.3+Sun/8.13.3) with ESMTP id k1QHOHSm010106; Sun, 26 Feb 2006 11:24:18 -0600 (CST) Original-Received: (from teirllm@localhost) by raven.dms.auburn.edu (8.11.7p1+Sun/8.11.7) id k1QHJhg05273; Sun, 26 Feb 2006 11:19:43 -0600 (CST) X-Authentication-Warning: raven.dms.auburn.edu: teirllm set sender to teirllm@dms.auburn.edu using -f Original-To: rudalics@gmx.at In-reply-to: <4401AB1A.6030409@gmx.at> (message from martin rudalics on Sun, 26 Feb 2006 14:20:26 +0100) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.1 (manatee.dms.auburn.edu [131.204.53.104]); Sun, 26 Feb 2006 11:24:18 -0600 (CST) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:51086 Archived-At: Martin Rudalics wrote: I didn't care about `]'s closing a character alternative. I did care about `]'s appearing in regular expressions _outside_ a character alternative and meant to match the character `]'. Such `]'s should be quoted just like `.', `*', `+', `?', `[', `^', `$', and `\'. To expand on my previous reply, you are arguing from a purely legalistic viewpoint here, based on an error in the manual. The _purpose_ of quoting special characters even when they have no special meaning is make clear that they have no special meaning. "\\]" does not clear up any confusion in situations where confusion could be possible, so it is completely meaningless. There is a mistake in the manual. We should correct that mistake, not make meaningless, and even confusing, changes to code. Sincerely, Luc.