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#15778: 24.3; cperl-mode causes emacs to lock up Date: Sun, 03 Nov 2013 20:48:46 -0500 Message-ID: References: <871u30cqtq.fsf@nbtrap.com> <83mwlobb0i.fsf@gnu.org> <87mwlob9lz.fsf@nbtrap.com> <83iowcb2wf.fsf@gnu.org> <87y5589ni7.fsf@nbtrap.com> <83habway1l.fsf@gnu.org> <87sivg81pp.fsf@nbtrap.com> <87y557dg71.fsf@rosalinde.fritz.box> <87li165p7z.fsf@rosalinde.fritz.box> <87habtvgng.fsf@nbtrap.com> <87a9hlwqkq.fsf@rosalinde.fritz.box> <87k3gpsi1l.fsf@nbtrap.com> <8761s9w9z2.fsf@rosalinde.fritz.box> <87fvrdqnad.fsf@nbtrap.com> <87y555unuw.fsf@rosalinde.fritz.box> <87li15p0am.fsf@nbtrap.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1383529821 29445 80.91.229.3 (4 Nov 2013 01:50:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 4 Nov 2013 01:50:21 +0000 (UTC) Cc: Stephen Berman , 15778@debbugs.gnu.org To: Nathan Trapuzzano Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 04 02:50:25 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 1Vd9JA-0000YM-Iq for geb-bug-gnu-emacs@m.gmane.org; Mon, 04 Nov 2013 02:50:24 +0100 Original-Received: from localhost ([::1]:47615 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vd9JA-0000eI-0H for geb-bug-gnu-emacs@m.gmane.org; Sun, 03 Nov 2013 20:50:24 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38197) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vd9Iz-0000eB-QU for bug-gnu-emacs@gnu.org; Sun, 03 Nov 2013 20:50:21 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vd9Is-0001Bo-FW for bug-gnu-emacs@gnu.org; Sun, 03 Nov 2013 20:50:13 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:47489) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vd9Is-0001BW-Ci for bug-gnu-emacs@gnu.org; Sun, 03 Nov 2013 20:50:06 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Vd9Ir-0000h5-EO for bug-gnu-emacs@gnu.org; Sun, 03 Nov 2013 20:50:05 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 04 Nov 2013 01:50:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15778 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15778-submit@debbugs.gnu.org id=B15778.13835297522595 (code B ref 15778); Mon, 04 Nov 2013 01:50:03 +0000 Original-Received: (at 15778) by debbugs.gnu.org; 4 Nov 2013 01:49:12 +0000 Original-Received: from localhost ([127.0.0.1]:33275 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Vd9Hy-0000fm-VN for submit@debbugs.gnu.org; Sun, 03 Nov 2013 20:49:11 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:44076) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Vd9Hh-0000f3-38 for 15778@debbugs.gnu.org; Sun, 03 Nov 2013 20:48:58 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFFMCqDs/2dsb2JhbABEvw4Xc4IfAQVWIxALDiYSFBgNJIgkwS2RCgOIYZwZgV6DFQ X-IPAS-Result: Av4EABK/CFFMCqDs/2dsb2JhbABEvw4Xc4IfAQVWIxALDiYSFBgNJIgkwS2RCgOIYZwZgV6DFQ X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="37006698" Original-Received: from 76-10-160-236.dsl.teksavvy.com (HELO pastel.home) ([76.10.160.236]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 03 Nov 2013 20:48:47 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id BE74960CC4; Sun, 3 Nov 2013 20:48:46 -0500 (EST) In-Reply-To: <87li15p0am.fsf@nbtrap.com> (Nathan Trapuzzano's message of "Sun, 03 Nov 2013 17:50:41 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.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:79941 Archived-At: > - (if (setq beg (cperl-beginning-of-property beg 'syntax-type)) > - (goto-char beg))) > + (let ((new-beg (cperl-beginning-of-property beg 'syntax-type))) > + (setq beg (if (= new-beg beg) nil new-beg)) > + (goto-char new-beg))) Hmm... what if new-beg is nil? The current code explicitly tests this case to avoid calling `goto-char', whereas your code calls goto-char unconditionally. Why? Stefan