From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alp Aker Newsgroups: gmane.emacs.bugs Subject: bug#12745: crash in bidi_pop_it during (idle) redisplay Date: Mon, 29 Oct 2012 14:56:49 -0400 Message-ID: References: <508CA6FC.4070203@cs.ucla.edu> <508CE3B0.2030809@cs.ucla.edu> <83lieq8q91.fsf@gnu.org> <83fw4y8jgd.fsf@gnu.org> <838vap8aq8.fsf@gnu.org> <837gq987yv.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1351537068 21495 80.91.229.3 (29 Oct 2012 18:57:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 29 Oct 2012 18:57:48 +0000 (UTC) Cc: 12745@debbugs.gnu.org To: Ami Fischman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 29 19:57:55 2012 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 1TSuX4-0007RN-Dq for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 19:57:54 +0100 Original-Received: from localhost ([::1]:51944 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuWw-0004Ja-CX for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 14:57:46 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:43671) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuWm-0004H4-Oc for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:57:44 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSuWl-0003iX-8Z for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:57:36 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56505) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSuWl-0003iT-4a for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 14:57:35 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TSuZ8-0001vc-25 for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 15:00:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alp Aker Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 29 Oct 2012 19:00:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12745 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 12745-submit@debbugs.gnu.org id=B12745.13515371607337 (code B ref 12745); Mon, 29 Oct 2012 19:00:02 +0000 Original-Received: (at 12745) by debbugs.gnu.org; 29 Oct 2012 18:59:20 +0000 Original-Received: from localhost ([127.0.0.1]:38523 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSuYS-0001uI-42 for submit@debbugs.gnu.org; Mon, 29 Oct 2012 14:59:20 -0400 Original-Received: from mail-vc0-f172.google.com ([209.85.220.172]:64315) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSuYP-0001uA-AI for 12745@debbugs.gnu.org; Mon, 29 Oct 2012 14:59:17 -0400 Original-Received: by mail-vc0-f172.google.com with SMTP id fl11so6821539vcb.3 for <12745@debbugs.gnu.org>; Mon, 29 Oct 2012 11:56:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=sl5hT3X5Nw+AYcuqbVrLmpcXgo9oWH57XQFK8X47cks=; b=c1fYSsQa4BdegrYhjVCXQdqyFzT4E37qWIdeWMAR1NtAxIHUuntMwdGpgjAypJl/cx Vng46fWsYe+EA3bleAbBhx2lqnf6YPMyhnmtcJj2Z/1RtPq7lG8hYJiZACc2tMJIsa09 NWFCB3q3eTDDiqe2sB87opu65UE3Fv/syxXOuOA/tPmYpDMOlS4K62D8kSOVYFI/mdsN n7D3OaorSx52IGZCWcGM/2bct8L+aXaRQzRurg0JGi9jBSQNtB+J/unsnsRl2Jgqu3rq kot9aSz6npBnaJ1uuZrdNd+8v8QU7j5jBjKRdoESoPrRxCLnoXeO2gWX90ZVEvuMRgWZ YkLw== Original-Received: by 10.220.157.75 with SMTP id a11mr31948146vcx.27.1351537009640; Mon, 29 Oct 2012 11:56:49 -0700 (PDT) Original-Received: by 10.220.94.135 with HTTP; Mon, 29 Oct 2012 11:56:49 -0700 (PDT) In-Reply-To: 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 (newer, 2) 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:66207 Archived-At: >> Yes, and so is the STRETCH glyph. Can you figure out what is the >> string before that, viz.: >> > 20 144: CHAR[ ] str=61334f1[0] blev=0,btyp=L w=6 a+d=10+2 MB >> This is a display string or an overlay string, but where does it come >> from, and which mode puts it there? > > > I'm groping in the dark, but AFAICT it's a null str? > (gdb) p/x (it->glyph_row->glyphs[1][20].object) > $39 = 0x61334f1 > (gdb) p *(it->glyph_row->glyphs[1][20].object) > $40 = 0 That string is likely also from fci-mode. The overlay string that mode puts at the end of each line has the structure + + , where by default is U+E000. It shouldn't be null.