From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences Date: Mon, 26 Mar 2012 08:23:58 -0400 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1332764713 18586 80.91.229.3 (26 Mar 2012 12:25:13 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 26 Mar 2012 12:25:13 +0000 (UTC) Cc: 11073@debbugs.gnu.org To: Kenichi Handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 26 14:25:09 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 1SC8yv-000087-Hk for geb-bug-gnu-emacs@m.gmane.org; Mon, 26 Mar 2012 14:25:05 +0200 Original-Received: from localhost ([::1]:49918 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SC8yu-00079w-PM for geb-bug-gnu-emacs@m.gmane.org; Mon, 26 Mar 2012 08:25:04 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:53814) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SC8yn-00077R-No for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 08:25:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SC8yk-0001vr-UP for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 08:24:57 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60757) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SC8yk-0001vN-Rg for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 08:24:54 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SC9St-0004qK-B6 for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 08:56:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 26 Mar 2012 12:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11073 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 11073-submit@debbugs.gnu.org id=B11073.133276652718566 (code B ref 11073); Mon, 26 Mar 2012 12:56:02 +0000 Original-Received: (at 11073) by debbugs.gnu.org; 26 Mar 2012 12:55:27 +0000 Original-Received: from localhost ([127.0.0.1]:39355 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SC9SI-0004pO-4Q for submit@debbugs.gnu.org; Mon, 26 Mar 2012 08:55:26 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:19852) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SC9S1-0004p1-Bk for 11073@debbugs.gnu.org; Mon, 26 Mar 2012 08:55:23 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AicFAKU/KE9FpYqr/2dsb2JhbACBX5x7eYhwnhmGGQSbGYQJ X-IronPort-AV: E=Sophos;i="4.73,1,1325480400"; d="scan'208";a="170084664" Original-Received: from 69-165-138-171.dsl.teksavvy.com (HELO pastel.home) ([69.165.138.171]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 26 Mar 2012 08:23:58 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 8218F590DD; Mon, 26 Mar 2012 08:23:58 -0400 (EDT) In-Reply-To: (Kenichi Handa's message of "Mon, 26 Mar 2012 16:45:56 +0900") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) 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:58165 Archived-At: > So, I decided at that time to give each CJK charset unique > code space (above #x110000) in Emacs, and allow users to > freely unify/disunify them to Unicode code space (below > #x110000) by giving the function unify-charset. I understand this part. The part I don't understand is why we do unification when reading a char from the buffer's text. That is: why unify chars in `int' (or Lisp_Object) form but not in the internal-utf-8 representation? I would expect the unification to happen during encoding/decoding only, and not during internal conversions from byte byte-sequence to int. Stefan