From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#15045: Point jumps inappropriately around time of Semantic lexing Date: Fri, 09 Aug 2013 10:03:05 -0400 Message-ID: References: <87pptptk9n.fsf@engster.org> <87eha4t7xz.fsf@engster.org> <83bo57uakh.fsf@gnu.org> <83wqnvs3ec.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1376057063 24524 80.91.229.3 (9 Aug 2013 14:04:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 9 Aug 2013 14:04:23 +0000 (UTC) Cc: gundaetiapo@gmail.com, 15045@debbugs.gnu.org, deng@randomsample.de, eric@siege-engine.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Aug 09 16:04:24 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1V7nIl-00065t-2c for geb-bug-gnu-emacs@m.gmane.org; Fri, 09 Aug 2013 16:04:23 +0200 Original-Received: from localhost ([::1]:55313 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7nIk-00053O-L2 for geb-bug-gnu-emacs@m.gmane.org; Fri, 09 Aug 2013 10:04:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39967) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7nIa-00052I-T2 for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 10:04:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V7nIQ-0003vs-K0 for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 10:04:12 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55419) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7nIQ-0003vj-HW for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 10:04:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V7nIP-0004Nh-Ud for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 10:04:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 09 Aug 2013 14:04:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15045 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15045-submit@debbugs.gnu.org id=B15045.137605700416768 (code B ref 15045); Fri, 09 Aug 2013 14:04:01 +0000 Original-Received: (at 15045) by debbugs.gnu.org; 9 Aug 2013 14:03:24 +0000 Original-Received: from localhost ([127.0.0.1]:49735 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V7nHm-0004MN-S8 for submit@debbugs.gnu.org; Fri, 09 Aug 2013 10:03:23 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:34350) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V7nHd-0004M3-Qz for 15045@debbugs.gnu.org; Fri, 09 Aug 2013 10:03:18 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IfAQVWIxALNBIUGA0kiCTBLZEKA6R6gV6DEw X-IPAS-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IfAQVWIxALNBIUGA0kiCTBLZEKA6R6gV6DEw X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="21214426" Original-Received: from 75-119-243-106.dsl.teksavvy.com (HELO pastel.home) ([75.119.243.106]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 09 Aug 2013 10:03:01 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 6493D66AD4; Fri, 9 Aug 2013 10:03:05 -0400 (EDT) In-Reply-To: <83wqnvs3ec.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 09 Aug 2013 10:56:59 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:77163 Archived-At: >> >> Right, that would do it. >> >> What happens if you remove the calls to sit-for from time.el? >> > You cannot ensure redisplay without that. >> I don't know what scenario you have in mind. > Any one. Emacs enters redisplay for any number of reasons, but you > can never be sure it will do so at any specific point unless you force > redisplay at that point. As you well know, in general, while Lisp > code runs, Emacs does not redisplay. Of course, but that's true in general. What makes it more true in display-time-event-handler? Remember that display-time-update (called just before the sit-for) ends with a call to force-mode-line-update. In practice, is there any important scenario where display-time-event-handler's sit-for is useful? Stefan