From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: The unwarranted scrolling assumption Date: Tue, 22 Jun 2010 21:27:00 +0300 Message-ID: <83y6e6exe3.fsf@gnu.org> References: <83fx0lihov.fsf@gnu.org> <838w6cixma.fsf@gnu.org> <83y6ech1oo.fsf@gnu.org> <83ocf8gx7e.fsf@gnu.org> <83fx0jgxk7.fsf@gnu.org> <83eig3gspa.fsf@gnu.org> <83bpb7gp2g.fsf@gnu.org> <837hlvglvh.fsf@gnu.org> <834ogzglaj.fsf@gnu.org> <8339wjgg8w.fsf@gnu.org> <83y6eagb7g.fsf@gnu.org> <4C1D24E3.5080402@harpegolden.net> <83sk4ig1t7.fsf@gnu.org> <83mxuqg0tz.fsf@gnu.org> <4C1D427D.9000503@harpegolden.net> <83bpb5fu7c.fsf@gnu.org> <837hltf5vr.fsf@gnu.org> <4C1FE262.3000407@harpegolden.net> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1277231381 14172 80.91.229.12 (22 Jun 2010 18:29:41 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 22 Jun 2010 18:29:41 +0000 (UTC) Cc: emacs-devel@gnu.org To: David De La Harpe Golden Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jun 22 20:29:39 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OR8E6-0001aj-PC for ged-emacs-devel@m.gmane.org; Tue, 22 Jun 2010 20:29:39 +0200 Original-Received: from localhost ([127.0.0.1]:44735 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OR8E6-0000rC-7z for ged-emacs-devel@m.gmane.org; Tue, 22 Jun 2010 14:29:38 -0400 Original-Received: from [140.186.70.92] (port=47975 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OR8E1-0000qh-CW for emacs-devel@gnu.org; Tue, 22 Jun 2010 14:29:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OR8E0-0000Px-2a for emacs-devel@gnu.org; Tue, 22 Jun 2010 14:29:33 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:54770) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OR8Dz-0000Pf-SR for emacs-devel@gnu.org; Tue, 22 Jun 2010 14:29:32 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0L4F00F00HYJC800@a-mtaout20.012.net.il> for emacs-devel@gnu.org; Tue, 22 Jun 2010 21:29:01 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.228.178.198]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0L4F005X0I0BL1J0@a-mtaout20.012.net.il>; Tue, 22 Jun 2010 21:29:00 +0300 (IDT) In-reply-to: <4C1FE262.3000407@harpegolden.net> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:126326 Archived-At: > Date: Mon, 21 Jun 2010 23:06:26 +0100 > From: David De La Harpe Golden > CC: emacs-devel@gnu.org > > On 21/06/10 03:59, Eli Zaretskii wrote: > >> Date: Sun, 20 Jun 2010 22:40:44 +0100 > >> From: David De La Harpe Golden > >> CC: emacs-devel@gnu.org > >> > >> window.c: Still recentering sometimes. > > > > Does the problem go away if you disable font-lock-mode? > > > > I could not reproduce today without font-lock-mode on two complete > scrollthroughs (one with redisplay-dont-pause and one without). > > > font-lock-mode on: > > redisplay-dont-pause nil (that's nil): > > I counted about 114 visible recenters on one complete scrollthrough > (N.B. definitely recenters i.e. cursor restarting from the middle, not > just update lags), > > redisplay-dont-pause t (that's t): > > No visible recenters on one complete scrollthough. Is this with the default dimensions of the Emacs frame and with the default font you get with "emacs -Q"? And what are the frame dimensions (in text line units)?