From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.devel Subject: Re: The unwarranted scrolling assumption Date: Sat, 19 Jun 2010 21:13:26 +0200 Message-ID: References: <87631jvpzg.fsf@gmail.com> <4C18211C.3070106@harpegolden.net> <87vd9j5neu.fsf@kfs-lx.rd.rdm> <83sk4misf2.fsf@gnu.org> <83iq5hiiin.fsf@gnu.org> <83fx0lihov.fsf@gnu.org> <838w6cixma.fsf@gnu.org> <83y6ech1oo.fsf@gnu.org> <83ocf8gx7e.fsf@gnu.org> <83fx0jgxk7.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1276974838 29995 80.91.229.12 (19 Jun 2010 19:13:58 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 19 Jun 2010 19:13:58 +0000 (UTC) Cc: Chong Yidong , Stefan Monnier , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jun 19 21:13:56 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 1OQ3UK-0003RX-0B for ged-emacs-devel@m.gmane.org; Sat, 19 Jun 2010 21:13:56 +0200 Original-Received: from localhost ([127.0.0.1]:34855 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OQ3UJ-0007lv-D1 for ged-emacs-devel@m.gmane.org; Sat, 19 Jun 2010 15:13:55 -0400 Original-Received: from [140.186.70.92] (port=42734 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OQ3UC-0007le-U4 for emacs-devel@gnu.org; Sat, 19 Jun 2010 15:13:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OQ3UB-0007SW-T3 for emacs-devel@gnu.org; Sat, 19 Jun 2010 15:13:48 -0400 Original-Received: from fg-out-1718.google.com ([72.14.220.152]:26796) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OQ3UB-0007SP-Ks; Sat, 19 Jun 2010 15:13:47 -0400 Original-Received: by fg-out-1718.google.com with SMTP id 22so516357fge.12 for ; Sat, 19 Jun 2010 12:13:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=sjy8x7UqliKIpQoT4ad0e+iYis0C+pWwIrXNDKPgfyc=; b=eWcgRmOFlhTZkBF0M7OjDZw1AZtjSaaoU0RnkJiPMuSTuTM2IgGOB7DyNV5135lm9+ wolZ4JzbUZ5iofSNbOLYUKJuEZvqj+s09/IXou9ZI6IX5vwYFLL951/1q5Peb5pzp2sa LmyCkT+6AuT9NH8jvHUNZy/9jvG5Smz+Fy1LQ= 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:content-transfer-encoding; b=vLm4Hw2XSVgCx46fGYgwYPA60H/GBTMwbIyvJXwDBlcBIeS36AyFgsD3P3ezAuoTYJ PpdHbxw796+IH/9Fa0HXhCZzLalnvtdaKs/qb42Wr2x6FEuS93lI7EmZvzVZcPirx1rB G+zepqA1GffNJlVLPPIjFLMmfaem0nRQL2rXE= Original-Received: by 10.103.86.21 with SMTP id o21mr878955mul.113.1276974826215; Sat, 19 Jun 2010 12:13:46 -0700 (PDT) Original-Received: by 10.204.32.5 with HTTP; Sat, 19 Jun 2010 12:13:26 -0700 (PDT) In-Reply-To: <83fx0jgxk7.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:126247 Archived-At: On Sat, Jun 19, 2010 at 11:51, Eli Zaretskii wrote: > Would people who customize these variables (and those who use > scroll-*-aggressively) please see if the new behavior is to their > liking? It works for me, but that's not very informative because it was working bef= ore. > Interestingly, this change introduced an asymmetry between scrolling > down and up: there's no such limitation in the latter case. IIRC, for some reason scrolling up didn't cause recentering. > The archives of emacs-devel do not reveal any details beyond the fact > that this was done to prevent some jumpy scrolling. =C2=A0Perhaps Yidong > can shed more light on why this was done back then. What do you mean? That is the reason for the change: scrolling was much slower and jumpier than before (this was soon after the unicode2 merge and the new font backend was still quite slow). Juanma