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: Fri, 18 Jun 2010 18:32:00 +0300 Message-ID: <83r5k4gxvz.fsf@gnu.org> References: <87631jvpzg.fsf@gmail.com> <4C18211C.3070106@harpegolden.net> <83typ2isns.fsf@gnu.org> <83mxuuicjc.fsf@gnu.org> <83ljadikj1.fsf@gnu.org> <83k4pxijpb.fsf@gnu.org> <83hbl1ihux.fsf@gnu.org> <83631gixa4.fsf@gnu.org> <831vc4ih71.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1276875163 31004 80.91.229.12 (18 Jun 2010 15:32:43 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 18 Jun 2010 15:32:43 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jun 18 17:32:41 2010 connect(): No such file or directory 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 1OPdYe-0004iN-PC for ged-emacs-devel@m.gmane.org; Fri, 18 Jun 2010 17:32:41 +0200 Original-Received: from localhost ([127.0.0.1]:56214 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OPdYe-0006t1-1r for ged-emacs-devel@m.gmane.org; Fri, 18 Jun 2010 11:32:40 -0400 Original-Received: from [140.186.70.92] (port=48321 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OPdYT-0006pI-Hd for emacs-devel@gnu.org; Fri, 18 Jun 2010 11:32:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OPdYS-0003IV-AN for emacs-devel@gnu.org; Fri, 18 Jun 2010 11:32:29 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:39427) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OPdYS-0003IA-3p for emacs-devel@gnu.org; Fri, 18 Jun 2010 11:32:28 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0L4700700V4PYW00@a-mtaout20.012.net.il> for emacs-devel@gnu.org; Fri, 18 Jun 2010 18:32:26 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([77.127.88.125]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0L47006GYV61IH50@a-mtaout20.012.net.il>; Fri, 18 Jun 2010 18:32:26 +0300 (IDT) In-reply-to: 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:126178 Archived-At: > From: Stefan Monnier > Cc: emacs-devel@gnu.org > Date: Fri, 18 Jun 2010 11:05:17 -0400 > > > But if the input includes many input events that move point, then when > > we eventually enter redisplay, we could find itself very far away of > > the last displayed portion of the buffer. What does ``line-by-line > > scrolling'' means in this case? > > It means "move the window-start as little as possible to make point > visible". We already do that, under scroll-conservatively = most-positive-fixnum. Therefore, each use-case where we recenter with this setting should be investigated to find the precise reason.