From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#45898: 27.1; wedged in redisplay again Date: Thu, 30 Jun 2022 08:14:34 +0300 Message-ID: <83mtdu68cl.fsf@gnu.org> References: <46b65e3f-cf3d-a3f2-9a9a-100e58274ff6@jovi.net> <83mtem2dc9.fsf@gnu.org> <87y1y63qmq.fsf@gnus.org> <83h74t3k5u.fsf@gnu.org> <87tu8sx569.fsf@gnus.org> <83v8t6us8t.fsf@gnu.org> <87zgiinptk.fsf@gnus.org> <83mteiufih.fsf@gnu.org> <877d5kojbo.fsf@gnus.org> <83zgigu3e0.fsf@gnu.org> <500e4b9c69f2a90e7cf05b956178d71b@webmail.orcon.net.nz> <835yl3tnv3.fsf@gnu.org> <83iloyo0x7.fsf@gnu.org> <83mte5jukr.fsf@gnu.org> <837d57gbed.fsf@gnu.org> <83o7yicx3p.fsf@gnu.org> <83pmir5lwc.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35547"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, psainty@orcon.net.nz, larsi@gnus.org, Emacs-hacker2018@jovi.net, 45898@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 30 07:15:18 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o6mWM-00093b-6S for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=3011 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o6mVX-0006q5-Sv; Thu, 30 Jun 2022 01:14:28 -0400 In-Reply-To: (message from Stefan Monnier on Wed, 29 Jun 2022 17:07:45 -0400) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:235682 Archived-At: > From: Stefan Monnier > Cc: gerd.moellmann@gmail.com, larsi@gnus.org, psainty@orcon.net.nz, > Emacs-hacker2018@jovi.net, 45898@debbugs.gnu.org > Date: Wed, 29 Jun 2022 17:07:45 -0400 > > >> It doesn't seem to make much difference on the `medium_line.json` > >> example from Phil, tho :-( > > In what case does it make much difference? > > None that I can see :-( > > > And how did you test whether it makes a difference? > > I just did > > src/emacs -Q ~/tmp/medium_line.json > > and then tried to move around in the buffer, search with Isearch, and > insert a few chars. > I don't notice any difference with or without the patch :-( If you start moving with C-n or C-v, Emacs becomes unusable approximately around the same buffer position with and without the patch? If so, I guess the expensive part is somewhere else. I'd install this patch regardless, because it sounds like TRT not to let syntactic fontifications run amok this way. We do similar stuff in bidi.c for similar reasons. Thanks.