From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#16457: 24.3.50; crash rendering Arabic Uthmani script Date: Fri, 17 Jan 2014 14:03:02 +0200 Message-ID: <83bnzalssp.fsf@gnu.org> References: <52D6C466.9080909@yandex.ru> <838uuh3zx7.fsf@gnu.org> <7obnzcor73.fsf@fencepost.gnu.org> <52D791C0.7000405@yandex.ru> <83a9ev3k7x.fsf@gnu.org> <52D8DCF3.5030603@yandex.ru> <83ppnr0y9z.fsf@gnu.org> <52D91128.2020007@yandex.ru> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1389960251 28369 80.91.229.3 (17 Jan 2014 12:04:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 17 Jan 2014 12:04:11 +0000 (UTC) Cc: 16457@debbugs.gnu.org To: Dmitry Antipov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jan 17 13:04:17 2014 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 1W489o-0002ns-HB for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 Jan 2014 13:04:16 +0100 Original-Received: from localhost ([::1]:37533 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W489o-0007HC-3g for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 Jan 2014 07:04:16 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52018) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W489f-0007Gy-Sp for bug-gnu-emacs@gnu.org; Fri, 17 Jan 2014 07:04:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W489a-0003H4-JY for bug-gnu-emacs@gnu.org; Fri, 17 Jan 2014 07:04:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:40496) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W489a-0003Gt-Fe for bug-gnu-emacs@gnu.org; Fri, 17 Jan 2014 07:04:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1W489a-0001e9-1a for bug-gnu-emacs@gnu.org; Fri, 17 Jan 2014 07:04:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 17 Jan 2014 12:04:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16457 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16457-submit@debbugs.gnu.org id=B16457.13899601886246 (code B ref 16457); Fri, 17 Jan 2014 12:04:01 +0000 Original-Received: (at 16457) by debbugs.gnu.org; 17 Jan 2014 12:03:08 +0000 Original-Received: from localhost ([127.0.0.1]:54515 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W488i-0001cf-1u for submit@debbugs.gnu.org; Fri, 17 Jan 2014 07:03:08 -0500 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:59738) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W488f-0001cW-4s for 16457@debbugs.gnu.org; Fri, 17 Jan 2014 07:03:05 -0500 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0MZJ00G00NV0AK00@a-mtaout21.012.net.il> for 16457@debbugs.gnu.org; Fri, 17 Jan 2014 14:03:03 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MZJ00G4VO530MA0@a-mtaout21.012.net.il>; Fri, 17 Jan 2014 14:03:03 +0200 (IST) In-reply-to: <52D91128.2020007@yandex.ru> X-012-Sender: halo1@inter.net.il 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:83644 Archived-At: > Date: Fri, 17 Jan 2014 15:16:56 +0400 > From: Dmitry Antipov > CC: 16457@debbugs.gnu.org > > On 01/17/2014 01:10 PM, Eli Zaretskii wrote: > > > Can you show the same results of debugging printouts in a > > "--without-m17n-flt" build? > > Results are eventually empty - I don't see anything. IOW, composition_update_it > is never called, at least when I do (move-to-column 10). That means we never try to compose the characters, so this is not very useful to debug the problem. > > Also, if you manually move point to buffer position 11, what column > > number do you see there? > > I can't move to 11 by advancing the cursor because it crasher earlier. So redisplay also crashes. At least this is consistent, as the same code is used both for move-to-column and for display. > BTW, there is one more glitch - when I do 'emacs -Q uthmani-test.txt', > then 'M-x column-number-mode', then [left-arrow] few times, the column > number in mode line becomes incorrect and shown as 1003 or something > like this. I think this is part of the same problem.