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: Redisplay problems? Date: Sat, 22 Mar 2014 16:29:52 +0200 Message-ID: <83ha6q487z.fsf@gnu.org> 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> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1395498597 30338 80.91.229.3 (22 Mar 2014 14:29:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 22 Mar 2014 14:29:57 +0000 (UTC) Cc: rudalics@gmx.at, christian@defun.dk, kanru@kanru.info, cloos@jhcloos.com, emacs-devel@gnu.org To: Stefan Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Mar 22 15:30:05 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 1WRMw1-00088D-IE for ged-emacs-devel@m.gmane.org; Sat, 22 Mar 2014 15:30:05 +0100 Original-Received: from localhost ([::1]:57164 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMw1-00077r-66 for ged-emacs-devel@m.gmane.org; Sat, 22 Mar 2014 10:30:05 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59562) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMvu-0006yb-QR for emacs-devel@gnu.org; Sat, 22 Mar 2014 10:30:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WRMvq-0007GY-OI for emacs-devel@gnu.org; Sat, 22 Mar 2014 10:29:58 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:60648) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WRMvq-0007GN-Gg for emacs-devel@gnu.org; Sat, 22 Mar 2014 10:29:54 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0N2U00C00CY2FB00@a-mtaout20.012.net.il> for emacs-devel@gnu.org; Sat, 22 Mar 2014 16:29:53 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N2U00CBQDLSF220@a-mtaout20.012.net.il>; Sat, 22 Mar 2014 16:29:53 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.166 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:170796 Archived-At: > From: Stefan > Cc: rudalics@gmx.at, christian@defun.dk, cloos@jhcloos.com, kanru@kanru.info, emacs-devel@gnu.org > Date: Sat, 22 Mar 2014 09:49:56 -0400 > > > 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. Sometimes we can, sometimes we can't. (I no longer understand what situation are we talking about.)