From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19006 invoked by alias); 4 Mar 2013 17:35:52 -0000 Received: (qmail 18808 invoked by uid 22791); 4 Mar 2013 17:35:50 -0000 X-SWARE-Spam-Status: No, hits=-6.7 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_SPAMHAUS_DROP,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 04 Mar 2013 17:35:42 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r24HZbTx022837 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 4 Mar 2013 12:35:38 -0500 Received: from barimba (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r24HZap2030273 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 4 Mar 2013 12:35:37 -0500 From: Tom Tromey To: Joel Brobecker Cc: Yao Qi , gdb-patches@sourceware.org Subject: Re: [PATCH] Fix a bug in tstatus.exp matching tstatus output References: <1362411345-22308-1-git-send-email-yao@codesourcery.com> <20130304162248.GB4472@adacore.com> Date: Mon, 04 Mar 2013 17:35:00 -0000 In-Reply-To: <20130304162248.GB4472@adacore.com> (Joel Brobecker's message of "Mon, 4 Mar 2013 11:22:48 -0500") Message-ID: <87hakrrrtj.fsf@fleche.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2013-03/txt/msg00119.txt.bz2 Joel> I don't understand why the third backslash would be needed, though. Joel> The first two is the backslash escaping the '(' character in the Joel> regular expression. The third one escapes the '(' as the TCL string Joel> level, but I don't think it is a special character (like '[' is, Joel> for instance), is it? You are correct. The third backslash is not needed for parens. Tom