From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: no-spam@cua.dk (Kim F. Storm) Newsgroups: gmane.emacs.devel Subject: Re: redundant redisplay Date: 29 Apr 2004 01:06:11 +0200 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: <20040427.105738.207586596.Takaaki.Ota@am.sony.com> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1083186680 9490 80.91.224.253 (28 Apr 2004 21:11:20 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 28 Apr 2004 21:11:20 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Wed Apr 28 23:11:09 2004 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1BIwKj-0003i9-00 for ; Wed, 28 Apr 2004 23:11:09 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.35 #1 (Debian)) id 1BIwKi-0004a0-00 for ; Wed, 28 Apr 2004 23:11:08 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.30) id 1BIwKF-0005S6-KE for emacs-devel@quimby.gnus.org; Wed, 28 Apr 2004 17:10:39 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.30) id 1BIwHb-0003on-51 for emacs-devel@gnu.org; Wed, 28 Apr 2004 17:07:55 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.30) id 1BIwGT-0002bZ-6L for emacs-devel@gnu.org; Wed, 28 Apr 2004 17:07:17 -0400 Original-Received: from [195.41.46.237] (helo=pfepc.post.tele.dk) by monty-python.gnu.org with esmtp (Exim 4.30) id 1BIwGE-0002QY-Sc for emacs-devel@gnu.org; Wed, 28 Apr 2004 17:06:31 -0400 Original-Received: from kfs-l.imdomain.dk.cua.dk (0x503e2644.bynxx3.adsl-dhcp.tele.dk [80.62.38.68]) by pfepc.post.tele.dk (Postfix) with SMTP id 1BA5E262891; Wed, 28 Apr 2004 23:06:24 +0200 (CEST) Original-To: Tak Ota In-Reply-To: <20040427.105738.207586596.Takaaki.Ota@am.sony.com> Original-Lines: 16 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.4 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:22315 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:22315 Tak Ota writes: > Some recent change, which I cannot identify, affects the redisplay > mechanism so that set-buffer-modified-p redisplays window contents > redundantly. It creates occasional annoying partial screen flashing > as well as considerably slows down a buffer process which updates > modeline frequently. I found a problem with the image slicing patch (missing initialization of slice info for non-image glyphs), which could very well cause unnecessary redisplay. I have just installed a fix, please see if it helps. -- Kim F. Storm http://www.cua.dk