From unknown Fri Jun 20 20:03:37 2025 X-Loop: help-debbugs@gnu.org Subject: bug#7736: 24.0.50; perl-mode infinite loop Resent-From: jidanni@jidanni.org Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: rfrancoise@debian.org, bug-gnu-emacs@gnu.org Resent-Date: Sun, 26 Dec 2010 00:19:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 7736 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 7736@debbugs.gnu.org Cc: rfrancoise@debian.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org X-Debbugs-Original-Xcc: rfrancoise@debian.org Received: via spool by submit@debbugs.gnu.org id=B.12933227216362 (code B ref -1); Sun, 26 Dec 2010 00:19:01 +0000 Received: (at submit) by debbugs.gnu.org; 26 Dec 2010 00:18:41 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PWeJs-0001eZ-9j for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:18:40 -0500 Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PWeJq-0001eO-Ak for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:18:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PWeQL-0006gC-Ar for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:25:22 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_NONE,T_DKIM_INVALID autolearn=no version=3.3.1 Received: from lists.gnu.org ([199.232.76.165]:47805) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PWeQL-0006g8-8T for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:25:21 -0500 Received: from [140.186.70.92] (port=45517 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PWeQJ-0005OA-OR for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PWeQI-0006fw-Co for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:19 -0500 Received: from mx1.spunky.mail.dreamhost.com ([208.97.132.47]:40588 helo=homiemail-a62.g.dreamhost.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PWeQI-0006fj-58 for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:18 -0500 Received: from homiemail-a62.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a62.g.dreamhost.com (Postfix) with ESMTP id 47ED363406C for ; Sat, 25 Dec 2010 16:25:17 -0800 (PST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=jidanni.org; h=from:to:subject :date:message-id:mime-version:content-type; q=dns; s=jidanni.org ; b=jgK7ia/QK30Uq2AIJ65NQ8+oVB/tRP5CZjtQN3DoM/lNgGCpB39bpRoOCd7U ylMlivyB3z1QOgkWTwcneN3bHl7l0G9tKRCKS4i6z0c1z3UYXLh5To+kaGA19nlp LmfiJulzx5cnQTfDkp98A8BUtHpPUZMxQZYzk4qav+qaaNw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jidanni.org; h=from:to :subject:date:message-id:mime-version:content-type; s= jidanni.org; bh=090VAMuAEXsFPI8dhEewEA786VM=; b=C9a3ssfrPrT2ej6z OvAJgdN+TKQy0Sexsuk7LmdaPE3nG6lwCrJgiI2nQrb1f0veLkxdvzXMeBtzQOkd yvnWGH8NxW7vSBPuIr0qsTkpCRqtaQ9LS0+6FkxhrTSx+4Z4irwrNRgShmJQy8oG IhsifDwbAdjGDNIH3pxc5ZVMb58= Received: from jidanni.org (218-163-3-188.dynamic.hinet.net [218.163.3.188]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jidanni@jidanni.org) by homiemail-a62.g.dreamhost.com (Postfix) with ESMTPSA id 9B7D8634064 for ; Sat, 25 Dec 2010 16:25:16 -0800 (PST) From: jidanni@jidanni.org Date: Sat, 25 Dec 2010 21:41:26 +0800 Message-ID: <87r5d655rt.fsf@jidanni.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Spam-Score: -4.9 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.9 (----) --=-=-= Content-Type: text/plain Man, you gotta see this. On this attached file, --=-=-= Content-Type: text/x-perl; charset=utf-8 Content-Disposition: attachment; filename=r.pl Content-Description: test file Content-Transfer-Encoding: quoted-printable #!/usr/bin/perl # Print all tw.myblog.yahoo.com subscriptions URLs from a given URL # Copyright : http://www.fsf.org/copyleft/gpl.html # Author : Dan Jacobson -- http://jidanni.org/ # Created On : Sun Dec 19 21:41:47 2010 # Last Modified On: Sat Dec 25 10:31:18 2010 # Update Count : 58 use warnings FATAL =3D> 'all'; use strict; use utf8; use open qw/:std :encoding(utf8)/; use WWW::Mechanize; my $mech =3D WWW::Mechanize->new( autocheck =3D> 1 ); $mech->get(@ARGV); my %blogs; do { get_all_blogs_on_this_page() } while ( $mech->find_link( text_regex =3D> qr'=E4=B8=8B=E4=B8=80=E9=A0=81= ' ) # $ maybe added by my wwwoffle && $mech->follow_link( text_regex =3D> qr'=E4=B8=8B=E4=B8=80=E9=A0=81= ' ) ); print "$_\n" for sort keys %blogs; sub get_all_blogs_on_this_page { for ( $mech->find_all_links( tag =3D> "a", text =3D> '=E8=A9=B3=E5=85= =A8=E6=96=87' ) ) { $_->url =3D~ shttp://tw.myblog.yahoo.com/jw!3tU21_aCAh6NNGlBu.pqLpgW/sub= scription?fid=3D3&page=3D6 $blogs{ $_->url }++; } } --=-=-= Content-Type: text/plain save in /tmp, and run emacs -Q -nw /tmp/r.pl Now move the cursor down and attempt to change shttp to s[http . As you insert the [ an infinite loop begins. You probably can break out with a C-g, but you might need a $ killall -HUP emacs In GNU Emacs 24.0.50.1 (i486-pc-linux-gnu, GTK+ Version 2.20.1) of 2010-12-14 on elegiac, modified by Debian (emacs-snapshot package, version 1:20101212-2) Important settings: value of $LC_ALL: nil value of $LC_COLLATE: C value of $LC_CTYPE: zh_TW.UTF-8 value of $LC_MESSAGES: C value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: C value of $LANG: zh_TW.UTF-8 value of $XMODIFIERS: @im=SCIM locale-coding-system: utf-8-unix default enable-multibyte-characters: t --=-=-=-- From unknown Fri Jun 20 20:03:37 2025 X-Loop: help-debbugs@gnu.org Subject: bug#7736: 24.0.50; perl-mode infinite loop Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 23 Jan 2011 01:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7736 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Stefan Monnier Cc: 7736@debbugs.gnu.org, rfrancoise@debian.org, jidanni@jidanni.org Received: via spool by 7736-submit@debbugs.gnu.org id=B7736.129574504014099 (code B ref 7736); Sun, 23 Jan 2011 01:11:02 +0000 Received: (at 7736) by debbugs.gnu.org; 23 Jan 2011 01:10:40 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PgoTX-0003fM-8k for submit@debbugs.gnu.org; Sat, 22 Jan 2011 20:10:39 -0500 Received: from vm-emlprdomr-04.its.yale.edu ([130.132.50.145]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PgoTV-0003fB-GQ for 7736@debbugs.gnu.org; Sat, 22 Jan 2011 20:10:37 -0500 Received: from furball (dhcp128036014187.central.yale.edu [128.36.14.187]) (authenticated bits=0) by vm-emlprdomr-04.its.yale.edu (8.14.4/8.14.4) with ESMTP id p0N1IYZl023638 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 22 Jan 2011 20:18:35 -0500 Received: by furball (Postfix, from userid 1000) id 2FD93161EC4; Sat, 22 Jan 2011 20:18:34 -0500 (EST) From: Chong Yidong References: <87r5d655rt.fsf@jidanni.org> Date: Sat, 22 Jan 2011 20:18:34 -0500 In-Reply-To: <87r5d655rt.fsf@jidanni.org> (jidanni@jidanni.org's message of "Sat, 25 Dec 2010 21:41:26 +0800") Message-ID: <87bp38beol.fsf@stupidchicken.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.71 on 130.132.50.145 X-Spam-Score: -2.7 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.7 (--) jidanni@jidanni.org writes: > Man, you gotta see this. On this attached file, > > save in /tmp, and run emacs -Q -nw /tmp/r.pl > > Now move the cursor down and attempt to change shttp to s[http . > As you insert the [ an infinite loop begins. This bug was apparently introduced by syntax-propertize on the trunk. Stefan, could you take a look? 2010-09-10 Stefan Monnier * progmodes/perl-mode.el (perl-syntax-propertize-function): New fun to replace perl-font-lock-syntactic-keywords. (perl-syntax-propertize-special-constructs): New fun to replace perl-font-lock-special-syntactic-constructs. (perl-font-lock-syntactic-face-function): New fun. (perl-mode): Use it. From unknown Fri Jun 20 20:03:37 2025 X-Loop: help-debbugs@gnu.org Subject: bug#7736: 24.0.50; perl-mode infinite loop Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 24 Jan 2011 00:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7736 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Chong Yidong Cc: 7736@debbugs.gnu.org, rfrancoise@debian.org, jidanni@jidanni.org Received: via spool by 7736-submit@debbugs.gnu.org id=B7736.129582990624642 (code B ref 7736); Mon, 24 Jan 2011 00:46:02 +0000 Received: (at 7736) by debbugs.gnu.org; 24 Jan 2011 00:45:06 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PhAYL-0006PO-Lf for submit@debbugs.gnu.org; Sun, 23 Jan 2011 19:45:06 -0500 Received: from ironport2-out.teksavvy.com ([206.248.154.181] helo=ironport2-out.pppoe.ca) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PhAYK-0006Oi-GZ for 7736@debbugs.gnu.org; Sun, 23 Jan 2011 19:45:04 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEAP5bPE3O+J3X/2dsb2JhbACkZXS6QYVQBIRwjjo X-IronPort-AV: E=Sophos;i="4.60,367,1291611600"; d="scan'208";a="89009444" Received: from 206-248-157-215.dsl.teksavvy.com (HELO ceviche.home) ([206.248.157.215]) by ironport2-out.pppoe.ca with ESMTP/TLS/ADH-AES256-SHA; 23 Jan 2011 19:53:04 -0500 Received: by ceviche.home (Postfix, from userid 20848) id 9774766102; Sun, 23 Jan 2011 19:53:04 -0500 (EST) From: Stefan Monnier Message-ID: References: <87r5d655rt.fsf@jidanni.org> <87bp38beol.fsf@stupidchicken.com> Date: Sun, 23 Jan 2011 19:53:04 -0500 In-Reply-To: <87bp38beol.fsf@stupidchicken.com> (Chong Yidong's message of "Sat, 22 Jan 2011 20:18:34 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.1 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.1 (--) >> Man, you gotta see this. On this attached file, >> save in /tmp, and run emacs -Q -nw /tmp/r.pl >> Now move the cursor down and attempt to change shttp to s[http . >> As you insert the [ an infinite loop begins. > This bug was apparently introduced by syntax-propertize on the trunk. > Stefan, could you take a look? Sure (as well as the ruby one), Stefan From unknown Fri Jun 20 20:03:37 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.427 (Entity 5.427) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: jidanni@jidanni.org Subject: bug#7736: closed (Re: bug#7736: 24.0.50; perl-mode infinite loop) Message-ID: References: <87r5d655rt.fsf@jidanni.org> X-Gnu-PR-Message: they-closed 7736 X-Gnu-PR-Package: emacs Reply-To: 7736@debbugs.gnu.org Date: Mon, 24 Jan 2011 20:08:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1295899682-3027-1" This is a multi-part message in MIME format... ------------=_1295899682-3027-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #7736: 24.0.50; perl-mode infinite loop which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 7736@debbugs.gnu.org. --=20 7736: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D7736 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1295899682-3027-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 7736-done) by debbugs.gnu.org; 24 Jan 2011 20:07:29 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PhShF-0000lw-BF for submit@debbugs.gnu.org; Mon, 24 Jan 2011 15:07:29 -0500 Received: from ironport2-out.teksavvy.com ([206.248.154.183] helo=ironport2-out.pppoe.ca) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PhShC-0000ll-Df for 7736-done@debbugs.gnu.org; Mon, 24 Jan 2011 15:07:27 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhQGAAptPU1MCo4O/2dsb2JhbACWTI4ddLtzhVAEhHCOOg X-IronPort-AV: E=Sophos;i="4.60,371,1291611600"; d="scan'208";a="89093369" Received: from 76-10-142-14.dsl.teksavvy.com (HELO pastel.home) ([76.10.142.14]) by ironport2-out.pppoe.ca with ESMTP/TLS/ADH-AES256-SHA; 24 Jan 2011 15:15:08 -0500 Received: by pastel.home (Postfix, from userid 20848) id 2ADF358C4E; Mon, 24 Jan 2011 15:13:07 -0500 (EST) From: Stefan Monnier To: jidanni@jidanni.org Subject: Re: bug#7736: 24.0.50; perl-mode infinite loop Message-ID: References: <87r5d655rt.fsf@jidanni.org> Date: Mon, 24 Jan 2011 15:13:07 -0500 In-Reply-To: <87r5d655rt.fsf@jidanni.org> (jidanni@jidanni.org's message of "Sat, 25 Dec 2010 21:41:26 +0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.1 (--) X-Debbugs-Envelope-To: 7736-done Cc: rfrancoise@debian.org, 7736-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.1 (--) > Man, you gotta see this. On this attached file, > save in /tmp, and run emacs -Q -nw /tmp/r.pl > Now move the cursor down and attempt to change shttp to s[http . > As you insert the [ an infinite loop begins. Indeed, thanks for that test case. I've installed the patch below which should fix the problem. Stefan === modified file 'lisp/progmodes/perl-mode.el' --- lisp/progmodes/perl-mode.el 2011-01-14 17:18:41 +0000 +++ lisp/progmodes/perl-mode.el 2011-01-24 20:05:18 +0000 @@ -360,7 +360,8 @@ (t ;; This is regexp like quote thingy. (setq char (char-after (nth 8 state))) - (let ((twoargs (save-excursion + (let ((startpos (point)) + (twoargs (save-excursion (goto-char (nth 8 state)) (skip-syntax-backward " ") (skip-syntax-backward "w") @@ -384,7 +385,8 @@ (goto-char (1+ (nth 8 state))) (up-list 1) t) - (scan-error nil)) + ;; In case of error, make sure we don't move backward. + (scan-error (goto-char startpos) nil)) (not (or (nth 8 (parse-partial-sexp (point) limit nil nil state 'syntax-table)) ;; If we have a self-paired opener and a twoargs ------------=_1295899682-3027-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 26 Dec 2010 00:18:41 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PWeJs-0001eZ-9j for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:18:40 -0500 Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PWeJq-0001eO-Ak for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:18:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PWeQL-0006gC-Ar for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:25:22 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_NONE,T_DKIM_INVALID autolearn=no version=3.3.1 Received: from lists.gnu.org ([199.232.76.165]:47805) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PWeQL-0006g8-8T for submit@debbugs.gnu.org; Sat, 25 Dec 2010 19:25:21 -0500 Received: from [140.186.70.92] (port=45517 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PWeQJ-0005OA-OR for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PWeQI-0006fw-Co for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:19 -0500 Received: from mx1.spunky.mail.dreamhost.com ([208.97.132.47]:40588 helo=homiemail-a62.g.dreamhost.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PWeQI-0006fj-58 for bug-gnu-emacs@gnu.org; Sat, 25 Dec 2010 19:25:18 -0500 Received: from homiemail-a62.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a62.g.dreamhost.com (Postfix) with ESMTP id 47ED363406C for ; Sat, 25 Dec 2010 16:25:17 -0800 (PST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=jidanni.org; h=from:to:subject :date:message-id:mime-version:content-type; q=dns; s=jidanni.org ; b=jgK7ia/QK30Uq2AIJ65NQ8+oVB/tRP5CZjtQN3DoM/lNgGCpB39bpRoOCd7U ylMlivyB3z1QOgkWTwcneN3bHl7l0G9tKRCKS4i6z0c1z3UYXLh5To+kaGA19nlp LmfiJulzx5cnQTfDkp98A8BUtHpPUZMxQZYzk4qav+qaaNw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jidanni.org; h=from:to :subject:date:message-id:mime-version:content-type; s= jidanni.org; bh=090VAMuAEXsFPI8dhEewEA786VM=; b=C9a3ssfrPrT2ej6z OvAJgdN+TKQy0Sexsuk7LmdaPE3nG6lwCrJgiI2nQrb1f0veLkxdvzXMeBtzQOkd yvnWGH8NxW7vSBPuIr0qsTkpCRqtaQ9LS0+6FkxhrTSx+4Z4irwrNRgShmJQy8oG IhsifDwbAdjGDNIH3pxc5ZVMb58= Received: from jidanni.org (218-163-3-188.dynamic.hinet.net [218.163.3.188]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jidanni@jidanni.org) by homiemail-a62.g.dreamhost.com (Postfix) with ESMTPSA id 9B7D8634064 for ; Sat, 25 Dec 2010 16:25:16 -0800 (PST) From: jidanni@jidanni.org To: bug-gnu-emacs@gnu.org Subject: 24.0.50; perl-mode infinite loop X-Debbugs-Cc: rfrancoise@debian.org Date: Sat, 25 Dec 2010 21:41:26 +0800 Message-ID: <87r5d655rt.fsf@jidanni.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Spam-Score: -4.9 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.9 (----) --=-=-= Content-Type: text/plain Man, you gotta see this. On this attached file, --=-=-= Content-Type: text/x-perl; charset=utf-8 Content-Disposition: attachment; filename=r.pl Content-Description: test file Content-Transfer-Encoding: quoted-printable #!/usr/bin/perl # Print all tw.myblog.yahoo.com subscriptions URLs from a given URL # Copyright : http://www.fsf.org/copyleft/gpl.html # Author : Dan Jacobson -- http://jidanni.org/ # Created On : Sun Dec 19 21:41:47 2010 # Last Modified On: Sat Dec 25 10:31:18 2010 # Update Count : 58 use warnings FATAL =3D> 'all'; use strict; use utf8; use open qw/:std :encoding(utf8)/; use WWW::Mechanize; my $mech =3D WWW::Mechanize->new( autocheck =3D> 1 ); $mech->get(@ARGV); my %blogs; do { get_all_blogs_on_this_page() } while ( $mech->find_link( text_regex =3D> qr'=E4=B8=8B=E4=B8=80=E9=A0=81= ' ) # $ maybe added by my wwwoffle && $mech->follow_link( text_regex =3D> qr'=E4=B8=8B=E4=B8=80=E9=A0=81= ' ) ); print "$_\n" for sort keys %blogs; sub get_all_blogs_on_this_page { for ( $mech->find_all_links( tag =3D> "a", text =3D> '=E8=A9=B3=E5=85= =A8=E6=96=87' ) ) { $_->url =3D~ shttp://tw.myblog.yahoo.com/jw!3tU21_aCAh6NNGlBu.pqLpgW/sub= scription?fid=3D3&page=3D6 $blogs{ $_->url }++; } } --=-=-= Content-Type: text/plain save in /tmp, and run emacs -Q -nw /tmp/r.pl Now move the cursor down and attempt to change shttp to s[http . As you insert the [ an infinite loop begins. You probably can break out with a C-g, but you might need a $ killall -HUP emacs In GNU Emacs 24.0.50.1 (i486-pc-linux-gnu, GTK+ Version 2.20.1) of 2010-12-14 on elegiac, modified by Debian (emacs-snapshot package, version 1:20101212-2) Important settings: value of $LC_ALL: nil value of $LC_COLLATE: C value of $LC_CTYPE: zh_TW.UTF-8 value of $LC_MESSAGES: C value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: C value of $LANG: zh_TW.UTF-8 value of $XMODIFIERS: @im=SCIM locale-coding-system: utf-8-unix default enable-multibyte-characters: t --=-=-=-- ------------=_1295899682-3027-1--