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#15555: 24.3; Bidirectional display very slow with long lines Date: Wed, 09 Oct 2013 08:26:58 -0400 Message-ID: References: <83wqlo461e.fsf@gnu.org> <8338obskk4.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1381321703 8397 80.91.229.3 (9 Oct 2013 12:28:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 9 Oct 2013 12:28:23 +0000 (UTC) Cc: Jerome L Quinn , 15555@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 09 14:28:22 2013 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 1VTssF-000294-32 for geb-bug-gnu-emacs@m.gmane.org; Wed, 09 Oct 2013 14:28:19 +0200 Original-Received: from localhost ([::1]:41663 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTssE-0003AD-GZ for geb-bug-gnu-emacs@m.gmane.org; Wed, 09 Oct 2013 08:28:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55072) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTss5-00037r-GC for bug-gnu-emacs@gnu.org; Wed, 09 Oct 2013 08:28:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VTsry-0003mY-7Y for bug-gnu-emacs@gnu.org; Wed, 09 Oct 2013 08:28:09 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:57047) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTsry-0003mT-2r for bug-gnu-emacs@gnu.org; Wed, 09 Oct 2013 08:28:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VTsrx-0000xH-OQ for bug-gnu-emacs@gnu.org; Wed, 09 Oct 2013 08:28:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 09 Oct 2013 12:28:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15555 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15555-submit@debbugs.gnu.org id=B15555.13813216213585 (code B ref 15555); Wed, 09 Oct 2013 12:28:01 +0000 Original-Received: (at 15555) by debbugs.gnu.org; 9 Oct 2013 12:27:01 +0000 Original-Received: from localhost ([127.0.0.1]:37104 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VTsqy-0000vd-GP for submit@debbugs.gnu.org; Wed, 09 Oct 2013 08:27:00 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:54219) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VTsqx-0000vW-06 for 15555@debbugs.gnu.org; Wed, 09 Oct 2013 08:26:59 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFHO+K8t/2dsb2JhbABEvw4Xc4IeAQEEAVYjEAs0EhQYDSSIHgbBLZEKA6R6gV6DEw X-IPAS-Result: Av4EABK/CFHO+K8t/2dsb2JhbABEvw4Xc4IeAQEEAVYjEAs0EhQYDSSIHgbBLZEKA6R6gV6DEw X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="35099381" Original-Received: from 206-248-175-45.dsl.teksavvy.com (HELO pastel.home) ([206.248.175.45]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 09 Oct 2013 08:23:14 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 4245161337; Wed, 9 Oct 2013 08:26:58 -0400 (EDT) In-Reply-To: <8338obskk4.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 08 Oct 2013 21:07:39 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) 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:79082 Archived-At: >> And disabling bidi reordering completely eliminates the bad behavior. > If you can afford that, go for it. IIRC this is the first report where setting bidi-display-reordering to nil is really the best recommendation we can offer (and where it apparently indeed helps significantly). I consider bidi-display-reordering as a debugging tool rather than a user config, so I'm not very happy about this situation. Stefan