From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Aborting display. Is this possible? Date: Tue, 21 Oct 2014 14:01:00 -0400 Message-ID: References: <20141019154255.GC3197@acm.acm> <83egu4c4om.fsf@gnu.org> <20141020110949.GA2947@acm.acm> <8338aidbcq.fsf@gnu.org> <20141020185757.GD2947@acm.acm> <83lhoabl2x.fsf@gnu.org> <20141020210819.GE2947@acm.acm> <87y4s9rgi9.fsf@fencepost.gnu.org> <83zjcpa11g.fsf@gnu.org> <20141021171403.GB3035@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1413914521 8568 80.91.229.3 (21 Oct 2014 18:02:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Oct 2014 18:02:01 +0000 (UTC) Cc: Eli Zaretskii , dak@gnu.org, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 21 20:01:54 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 1Xgdki-0004Yp-Uq for ged-emacs-devel@m.gmane.org; Tue, 21 Oct 2014 20:01:49 +0200 Original-Received: from localhost ([::1]:52833 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xgdki-0002on-5F for ged-emacs-devel@m.gmane.org; Tue, 21 Oct 2014 14:01:48 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59942) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgdkO-0002lw-4T for emacs-devel@gnu.org; Tue, 21 Oct 2014 14:01:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XgdkF-0008WF-UB for emacs-devel@gnu.org; Tue, 21 Oct 2014 14:01:28 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:59882) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xgdjx-0008SL-RU; Tue, 21 Oct 2014 14:01:01 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVNFpY87/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCwsOJhIUGA0kiAQI0hkXjnoHhDgBA6kZgWqDTCE X-IPAS-Result: ArUGAIDvNVNFpY87/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCwsOJhIUGA0kiAQI0hkXjnoHhDgBA6kZgWqDTCE X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="94754584" Original-Received: from 69-165-143-59.dsl.teksavvy.com (HELO pastel.home) ([69.165.143.59]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 21 Oct 2014 14:01:01 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id C61FA4820; Tue, 21 Oct 2014 14:01:00 -0400 (EDT) In-Reply-To: <20141021171403.GB3035@acm.acm> (Alan Mackenzie's message of "Tue, 21 Oct 2014 17:14:03 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (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:175656 Archived-At: > The whole point of Jit Lock was that we would only need to fontify the > bits of the buffer currently being displayed. This was partly so that > mode maintainers could be a bit more relaxed about the speed of > font-locking. Actually, no, the main benefit of jit-lock was so you can open a large buffer without having to wait too long. To reduce pressure on font-lock speed, we need something more like jit-lock-defer-time (and lazy-lock-defer-time before it) which is disabled by default. Stefan