From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#12937: 24.2; Fontification performed in 'jit-lock-defer-time' in any case (don't wait while Emacs become really idle). Date: Wed, 30 Oct 2019 23:45:09 +0100 Message-ID: <875zk5ont6.fsf@gnus.org> References: <87obitia6d.fsf@gavenkoa.example.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="99745"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Oleksandr Gavenko , 12937@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 30 23:46:44 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iPwji-000Pnr-4X for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Oct 2019 23:46:42 +0100 Original-Received: from localhost ([::1]:45168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iPwjg-0006Po-MA for geb-bug-gnu-emacs@m.gmane.org; Wed, 30 Oct 2019 18:46:40 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43753) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iPwj5-00060b-Kq for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 18:46:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iPwj4-0001lE-HN for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 18:46:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42979) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iPwj4-0001kE-Dq for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 18:46:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iPwj4-0004bJ-AZ for bug-gnu-emacs@gnu.org; Wed, 30 Oct 2019 18:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Oct 2019 22:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12937 X-GNU-PR-Package: emacs Original-Received: via spool by 12937-submit@debbugs.gnu.org id=B12937.157247551714985 (code B ref 12937); Wed, 30 Oct 2019 22:46:02 +0000 Original-Received: (at 12937) by debbugs.gnu.org; 30 Oct 2019 22:45:17 +0000 Original-Received: from localhost ([127.0.0.1]:51796 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iPwiL-0003tJ-Bt for submit@debbugs.gnu.org; Wed, 30 Oct 2019 18:45:17 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:35708) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iPwiJ-0003qI-Ax for 12937@debbugs.gnu.org; Wed, 30 Oct 2019 18:45:16 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iPwiE-0007r1-AG; Wed, 30 Oct 2019 23:45:12 +0100 In-Reply-To: (Stefan Monnier's message of "Mon, 19 Nov 2012 16:29:02 -0500") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:170479 Archived-At: Stefan Monnier writes: > I don't see that. I'm not sure how you tried, it but I did > > src/emacs -Q --eval '(setq jit-lock-defer-time 0.01)' src/xdisp.c > > and scrolling with page-down indeed is jerky and I see that the buffer > is getting fontified (at least occasionally). But if I try again with > > src/emacs -Q --eval '(setq jit-lock-defer-time 0.1)' src/xdisp.c > > then the scrolling is fast&smooth and it only gets fontified when > I stop scrolling. I tried this in Emacs 27 (on a pretty fast laptop), and I got no jerkiness when holding (and things are fontified as I scroll). I also tried 0.001. So is this still a problem? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no