From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#4209: 23.1; Emacs 23.1 regression in re-search-forward Date: Tue, 26 Jan 2010 15:38:33 -0500 Message-ID: <87ljfkha9i.fsf@stupidchicken.com> References: <20090820005033.20130.qmail@cjmweb.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1264538410 7913 80.91.229.12 (26 Jan 2010 20:40:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 26 Jan 2010 20:40:10 +0000 (UTC) Cc: 4209@debbugs.gnu.org To: Kenichi Handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 26 21:40:02 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NZsCf-0005vQ-S6 for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Jan 2010 21:40:02 +0100 Original-Received: from localhost ([127.0.0.1]:53308 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NZsCh-0003LP-4R for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Jan 2010 15:40:03 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NZsCb-0003L3-A8 for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2010 15:39:57 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NZsCV-0003KK-VN for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2010 15:39:56 -0500 Original-Received: from [199.232.76.173] (port=46418 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NZsCV-0003KH-Qg for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2010 15:39:51 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:42472) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NZsCV-0000HF-Iv for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2010 15:39:51 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1NZsBi-0004uF-OG; Tue, 26 Jan 2010 15:39:02 -0500 X-Loop: bug-gnu-emacs@gnu.org In-Reply-To: <20090820005033.20130.qmail@cjmweb.net> 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: Tue, 26 Jan 2010 20:39:02 +0000 Resent-Message-ID: Resent-Sender: bug-gnu-emacs@gnu.org X-Emacs-PR-Message: followup 4209 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 4209-submit@debbugs.gnu.org id=B4209.126453831918840 (code B ref 4209); Tue, 26 Jan 2010 20:39:02 +0000 Original-Received: (at 4209) by debbugs.gnu.org; 26 Jan 2010 20:38:39 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NZsBL-0004tp-He for submit@debbugs.gnu.org; Tue, 26 Jan 2010 15:38:39 -0500 Original-Received: from pantheon-po34.its.yale.edu ([130.132.50.80]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NZsBJ-0004ti-Ve for 4209@debbugs.gnu.org; Tue, 26 Jan 2010 15:38:38 -0500 Original-Received: from furry (dhcp128036014123.central.yale.edu [128.36.14.123]) (authenticated bits=0) by pantheon-po34.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id o0QKcXFo001427 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 26 Jan 2010 15:38:33 -0500 Original-Received: by furry (Postfix, from userid 1000) id 46FE2C05D; Tue, 26 Jan 2010 13:38:33 -0700 (MST) X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) X-Spam-Score: -2.9 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list X-Spam-Score: -2.9 (--) Resent-Date: Tue, 26 Jan 2010 15:39:02 -0500 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:34727 Archived-At: Hi Handa-san, Could you try to investigate Bug#4209? I took a quick look, and the contents of the Lisp string passed to Fre_search_forward in Emacs 23 is $2 = (struct Lisp_String *) 0x86765b8 "\\`\302L\357w\306i\214\n" but in Emacs 22 (where this test works) it's $2 = (struct Lisp_String *) 0x86290e8 "\\`\302L\357w\306i\236\254\n" which seems a little strange to me. > I've found a regression in Emacs 23.1 (versus Emacs 22.3). I've > narrowed it down to this test case: > > ;--- re-bug.el starts here > (set-buffer (get-buffer-create "*Test Buffer*")) > > (insert "\xC2\x4C\xEF\x77\xC6\x69\x8C\x0A") > > (goto-char (point-min)) > > (message "looking-at: %s" (looking-at "\\`\xC2\x4C\xEF\x77\xC6\x69\x8C\x0A")) > > (message "re-search-forward: %s" > (re-search-forward "\\`\xC2\x4C\xEF\x77\xC6\x69\x8C\x0A" 100 t)) > ;--- re-bug.el ends here > > Then at the command line: > > $ emacs-22 --batch -Q -l re-bug.el > looking-at: t > re-search-forward: 9 > > $ emacs-23 --batch -Q -l re-bug.el > looking-at: t > re-search-forward: nil