From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.help Subject: Re: scroll-conservatively but still cursor *sometimes* still jumps off bottom Date: Sat, 12 Dec 2009 17:08:04 +0100 Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1260634196 24125 80.91.229.12 (12 Dec 2009 16:09:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 12 Dec 2009 16:09:56 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: Chris Seberino Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Dec 12 17:09:49 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NJUXV-0004uT-4x for geh-help-gnu-emacs@m.gmane.org; Sat, 12 Dec 2009 17:09:49 +0100 Original-Received: from localhost ([127.0.0.1]:44829 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NJUXU-0006PI-Uf for geh-help-gnu-emacs@m.gmane.org; Sat, 12 Dec 2009 11:09:48 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NJUWF-0005ts-Mk for help-gnu-emacs@gnu.org; Sat, 12 Dec 2009 11:08:31 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NJUWA-0005r3-OF for help-gnu-emacs@gnu.org; Sat, 12 Dec 2009 11:08:31 -0500 Original-Received: from [199.232.76.173] (port=41664 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NJUWA-0005qq-Hf for help-gnu-emacs@gnu.org; Sat, 12 Dec 2009 11:08:26 -0500 Original-Received: from mail-bw0-f215.google.com ([209.85.218.215]:54686) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NJUWA-0000wQ-1l for help-gnu-emacs@gnu.org; Sat, 12 Dec 2009 11:08:26 -0500 Original-Received: by bwz7 with SMTP id 7so1271475bwz.26 for ; Sat, 12 Dec 2009 08:08:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:cc:content-type; bh=2HU3dz/zrKi8VFIsx7BDnzgUoZeKrU0TtnLWtgbdLRA=; b=UnbfWHcrdSGwcWCCcGbN92T3QAJ72vw1hpfuvxTJcZDnn//ty2FoiL0X2H0x4TSsiS IEzI5okUOX9THzfqCw6/2yD/dARjcAlPqCae0+1ZNpCfWjg2kLAh+AI3kF5heiZvmrXq xX/OIkkK99JHp5v0H7mzNaVuWICBLY81dse2A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=wIUwd81C5iO6C1fThSsGxlJ65o+DN5vDkeOgjVexg7yCMmBwtc5dlBT7SPsfCcAAwS YBcw+pcfFGOq02sFMgyReqBlUEmsWTz+c6AL2vTHUhxZZFAuGROiW1dbxWwfjv/6O8n1 FdXecDq5DV2rkKDjF6fy1D+0KAt/tqz9ucbyM= Original-Received: by 10.204.13.197 with SMTP id d5mr1594325bka.70.1260634105139; Sat, 12 Dec 2009 08:08:25 -0800 (PST) In-Reply-To: X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:70623 Archived-At: > I noticed that when moving down through big files, *sometimes* the > cursor will jump from bottom of screen to middle. > > Any idea why this would happen only some of the time? Because Emacs' redisplay is unable to keep with the scrolling. Before 23.1, with scroll-conservatively set to a large value, Emacs never jumped; now it tries no to do it, but sometimes it fails. I think the relevant ChangeLog entry is this one: 2008-10-27 Chong Yidong * xdisp.c (try_scrolling): When computing the distance from the scroll margin to PT, try moving some distance past the window bottom before giving up. Juanma