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 17:53:06 -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> <83390x81ql.fsf@gnu.org> <83zk356lko.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 1351547623 18686 80.91.229.3 (29 Oct 2012 21:53:43 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 29 Oct 2012 21:53:43 +0000 (UTC) Cc: 12745@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 29 22:53:50 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 1TSxHH-00088u-Fn for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 22:53:47 +0100 Original-Received: from localhost ([::1]:35104 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSxH9-0005s1-3N for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 17:53:39 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:33181) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSxH6-0005re-0y for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 17:53:36 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSxH5-0001K3-5u for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 17:53:35 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56584) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSxH5-0001Js-1l for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 17:53:35 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TSxJS-0006Ql-DY for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 17:56:02 -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 21:56:02 +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=B12745.135154773724653 (code B ref 12745); Mon, 29 Oct 2012 21:56:02 +0000 Original-Received: (at 12745) by debbugs.gnu.org; 29 Oct 2012 21:55:37 +0000 Original-Received: from localhost ([127.0.0.1]:38602 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSxJ2-0006PY-LA for submit@debbugs.gnu.org; Mon, 29 Oct 2012 17:55:37 -0400 Original-Received: from mail-ia0-f172.google.com ([209.85.210.172]:34883) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSxJ0-0006PP-Qz for 12745@debbugs.gnu.org; Mon, 29 Oct 2012 17:55:35 -0400 Original-Received: by mail-ia0-f172.google.com with SMTP id x24so2344007iak.3 for <12745@debbugs.gnu.org>; Mon, 29 Oct 2012 14:53:06 -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=q8mZrz9F8sugVHA0i8kTZhYgYnDLlwrGgJueteVO4Lw=; b=DTQn1uaAb/J8Da0pW4bQc4H49Rdm2vrOV/CX1e3nQsCokSkiM9BWgTY54lNHsQgw6Q EMlyvfbRC1B5wZxJQclNHs7sdduNDh6ZY/pqyL7B0i3As9M8NWvmfl2FcUoi02Udx1qs 4wdyC3ScvMvcXwxTY7j+pweh5o+nlM81gzDYPc0WDCOo3FbehdM55L19djAf4Bk295xH niTXdA9fsyzw1dQLUqXPpwvafcI2PiQTbT67LC6u65opjrzEU/KkUk7G+3d2TNnPxR3w yqhBkR/Hh6ljooGJFr92nUJ6D0XxLLGbUwZBbPsbMaGe65SYD/YIAuPghSWVZBa2+VVl JSPw== Original-Received: by 10.50.214.66 with SMTP id ny2mr10880931igc.21.1351547586399; Mon, 29 Oct 2012 14:53:06 -0700 (PDT) Original-Received: by 10.64.53.132 with HTTP; Mon, 29 Oct 2012 14:53:06 -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:66218 Archived-At: >> Couldn't you simply put the $ (or whatever) in the display string, >> where you now put the u+e000 character? > > I needed to have a blank character there to put a cursor property on, > even when the newline has a nil display table entry. At that point it > made the code simpler to use that char for visible newline display as > well, via display table manipulation. In other words, my earlier explanation wasn't accurate (it's been a while since I thought about this code). The blank character in the overlay string is there for the sake of the cursor property. That it's a weird Private Use Area character instead of a space is just to simplify the whitespace-mode compatibility hack.