From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Newsgroups: gmane.emacs.devel Subject: Re: Redisplay problems? Date: Sat, 22 Mar 2014 09:49:56 -0400 Message-ID: References: <87ppljg4ti.fsf@kanru-mozilla.corp.tpe1.mozilla.com> <5329C53B.3030008@gmx.at> <532ABA60.7000003@gmx.at> <532B3FFE.5020403@gmx.at> <838us46lsr.fsf@gnu.org> <83d2hf5y2p.fsf@gnu.org> <83wqfm4quc.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1395496222 5391 80.91.229.3 (22 Mar 2014 13:50:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 22 Mar 2014 13:50:22 +0000 (UTC) Cc: rudalics@gmx.at, christian@defun.dk, kanru@kanru.info, cloos@jhcloos.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Mar 22 14:50:30 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WRMJg-0005cd-11 for ged-emacs-devel@m.gmane.org; Sat, 22 Mar 2014 14:50:28 +0100 Original-Received: from localhost ([::1]:57044 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMJf-0000XP-NI for ged-emacs-devel@m.gmane.org; Sat, 22 Mar 2014 09:50:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMJU-0000XB-23 for emacs-devel@gnu.org; Sat, 22 Mar 2014 09:50:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WRMJM-0007CU-PA for emacs-devel@gnu.org; Sat, 22 Mar 2014 09:50:16 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:59505) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMJF-0006ww-1h; Sat, 22 Mar 2014 09:50:01 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap0FABK/CFHO+KKg/2dsb2JhbABEj0SrAYRJF3OCHgEBBAFWIwULCzQSFBgNJIgeBsEtkQoDjhiWYoFegxM X-IPAS-Result: Ap0FABK/CFHO+KKg/2dsb2JhbABEj0SrAYRJF3OCHgEBBAFWIwULCzQSFBgNJIgeBsEtkQoDjhiWYoFegxM X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="52959796" Original-Received: from 206-248-162-160.dsl.teksavvy.com (HELO pastel.home) ([206.248.162.160]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 22 Mar 2014 09:49:58 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 1F602600A9; Sat, 22 Mar 2014 09:49:56 -0400 (EDT) In-Reply-To: <83wqfm4quc.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 22 Mar 2014 09:47:39 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:170792 Archived-At: > Once again, redisplaying a set of windows needs (a) to compute their > desired matrices, and (b) compare them against the current matrices, > and deliver the differences to the glass. The 'redisplay' flag takes > care of (a), but if there are no current matrices we can trust, > there's no way to perform (b). But luckily, we can trust the current matrices. Stefan