From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#14303: 24.3; Bug in comment-search-backward Date: Fri, 17 May 2013 09:26:37 -0400 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1368797299 25380 80.91.229.3 (17 May 2013 13:28:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 17 May 2013 13:28:19 +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 Fri May 17 15:28:18 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 1UdKhi-0002MC-Re for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 May 2013 15:28:14 +0200 Original-Received: from localhost ([::1]:58858 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UdKhi-0001n9-3b for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 May 2013 09:28:14 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:46527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UdKhJ-0001Il-Kw for bug-gnu-emacs@gnu.org; Fri, 17 May 2013 09:27:51 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UdKhH-00062c-P2 for bug-gnu-emacs@gnu.org; Fri, 17 May 2013 09:27:49 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60304) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UdKhH-00062X-Kw for bug-gnu-emacs@gnu.org; Fri, 17 May 2013 09:27:47 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1UdKhW-0006QJ-0g for bug-gnu-emacs@gnu.org; Fri, 17 May 2013 09:28:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 17 May 2013 13:28:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14303 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 14303-submit@debbugs.gnu.org id=B14303.136879723624573 (code B ref 14303); Fri, 17 May 2013 13:28:01 +0000 Original-Received: (at 14303) by debbugs.gnu.org; 17 May 2013 13:27:16 +0000 Original-Received: from localhost ([127.0.0.1]:48660 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UdKgV-0006Nd-5B for submit@debbugs.gnu.org; Fri, 17 May 2013 09:27:02 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:40246) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UdKgQ-0006NQ-MM for 14303@debbugs.gnu.org; Fri, 17 May 2013 09:26:55 -0400 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r4HDQbFA013241; Fri, 17 May 2013 09:26:37 -0400 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 21210B4161; Fri, 17 May 2013 09:26:37 -0400 (EDT) In-Reply-To: (Leo Liu's message of "Fri, 17 May 2013 08:35:35 +0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4582=0 X-NAI-Spam-Version: 2.3.0.9362 : core <4582> : streams <962358> : uri <1422723> 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:74366 Archived-At: > + (while (and (not found) (re-search-backward comment-start-skip limit t)) > + (setq end (match-end 0)) > + (unless (and comment-use-syntax (nth 8 (syntax-ppss))) > + (setq found t))) BTW, a useful idiom for such loops is the "empty body" while loop. (while (and (re-search-backward comment-start-skip limit t) (progn (setq end (match-end 0)) (and comment-use-syntax (nth 8 (syntax-ppss)))))) -- Stefan