From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas =?UTF-8?Q?R=C3=B6hler?= Newsgroups: gmane.emacs.bugs Subject: bug#14303: 24.3; Bug in comment-search-backward Date: Sat, 18 May 2013 07:23:33 +0200 Message-ID: <51971055.3080102@easy-emacs.de> References: <5193B43B.8070007@easy-emacs.de> <519486DD.1040505@easy-emacs.de> <51963E40.9020202@easy-emacs.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1368854512 13068 80.91.229.3 (18 May 2013 05:21:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 18 May 2013 05:21:52 +0000 (UTC) Cc: 14303@debbugs.gnu.org To: Leo Liu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 18 07:21:50 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UdZaX-0008FY-FU for geb-bug-gnu-emacs@m.gmane.org; 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Sat, 18 May 2013 01:21:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UdZZq-0000NE-5U for bug-gnu-emacs@gnu.org; Sat, 18 May 2013 01:21:06 -0400 Original-Received: from moutng.kundenserver.de ([212.227.126.186]:52769) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UdZZp-0000NA-SR for bug-gnu-emacs@gnu.org; Sat, 18 May 2013 01:21:06 -0400 Original-Received: from [192.168.178.21] (brln-4db9aa50.pool.mediaWays.net [77.185.170.80]) by mrelayeu.kundenserver.de (node=mreu1) with ESMTP (Nemesis) id 0LlJ5u-1U2r732Dgs-00bHY4; Sat, 18 May 2013 07:21:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 In-Reply-To: X-Provags-ID: V02:K0:3qsSaFvyiHoQT59agxXaKB4WvTnbzjVvYDvKjZVkoBl dosXeDrwTR0nCxgK7izMA3pLN7oouFR36ZhUSS4sK9Wz9Y6Mmp HpRgc9KrKfDf2CCDnqPPs9hO+FXad4GsguxmV3xo4ywkXeqvJL AiOASZr5sLmb995ja9BmrRmV1sI9QM2nj9UOYn5xVC7NZ+icug ZmFpzRxz/bfI6p5BYzLyWT7JC3cbefK5lrkFnjnz78ovhhCNGb AtFmrgNQFgVmsnDsgYlK+redSJCQb2nBkjFFEpb8bjUSMB1EJi 2qg75AdGrg4I3A1Ob/qXNpJIL+UZTMUxpU7gT0HU+HPHY2O/DS sEGXJNuxfaJ2Bhu33mM6rHdztkdFxLZFhsr92ly0H X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:74387 Archived-At: Am 18.05.2013 00:52, schrieb Leo Liu: > On 2013-05-17 22:27 +0800, Andreas Röhler wrote: >> maybe re-search-backward is as fast? > > Usually it is fast enough. I have experienced some slow cases in C-x [ > but maybe that is due to really bad regexp. > > Leo > As this is a very basic routine, IMO every thinking to make it as fast as possible is well invested. BTW it's your merit having addressed that item. So just for the record maybe: Why start searching backward with a re-? Why not search comment-start string, which should travel much faster? Andreas