From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: emacs-24.1.1 slow scrolling in Fundamental mode with font lock disabled Date: Mon, 12 Nov 2012 18:29:27 +0200 Message-ID: <83fw4ewzrs.fsf@gnu.org> References: <83haoux084.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1352737765 8609 80.91.229.3 (12 Nov 2012 16:29:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 12 Nov 2012 16:29:25 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Nov 12 17:29:35 2012 Return-path: Envelope-to: geh-help-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 1TXwtC-0002xg-Td for geh-help-gnu-emacs@m.gmane.org; Mon, 12 Nov 2012 17:29:35 +0100 Original-Received: from localhost ([::1]:51866 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TXwt3-00054W-8f for geh-help-gnu-emacs@m.gmane.org; Mon, 12 Nov 2012 11:29:25 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:55087) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TXwsv-00053z-TH for help-gnu-emacs@gnu.org; Mon, 12 Nov 2012 11:29:20 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TXwss-0000M4-QC for help-gnu-emacs@gnu.org; Mon, 12 Nov 2012 11:29:17 -0500 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:59562) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TXwss-0000Jf-IH for help-gnu-emacs@gnu.org; Mon, 12 Nov 2012 11:29:14 -0500 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0MDD00H00V0KNZ00@a-mtaout21.012.net.il> for help-gnu-emacs@gnu.org; Mon, 12 Nov 2012 18:29:13 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MDD00HOFV4OL710@a-mtaout21.012.net.il> for help-gnu-emacs@gnu.org; Mon, 12 Nov 2012 18:29:13 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.169 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:87660 Archived-At: > From: Maxim Yegorushkin > Date: Mon, 12 Nov 2012 16:23:50 +0000 > > > Does scrolling become faster if you type this: > > > > M-x set-variable RET bidi-paragraph-direction RET left-to-right RET > > > > If it does, > > It does indeed fixes the problem. > > > then I believe this is an inefficiency in the > > bidirectional display engine that is already fixed in the development > > sources, and will be part of the upcoming Emacs 24.3 release. If you > > can try the development sources, I think you should see that this > > problem is gone. > > Thanks a lot Eli. I will stick this customization in .emacs for now. If you never expect to have to display bidirectional scripts, like Arabic, you can make that the default: (setq-default bidi-paragraph-direction 'left-to-right)