From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Sat, 06 Aug 2022 11:49:05 +0000 Message-ID: <75558ca18e15abb45e9e@heytings.org> References: <05388e8d8812bfa3695d@heytings.org> <83v8rf5894.fsf@gnu.org> <65cb7c73fd4a999cca00@heytings.org> <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <8c7321f2f36494299e61@heytings.org> <83v8rc2n1h.fsf@gnu.org> <64084296-1953-8ef8-5938-adfb6fb9b43f@yandex.ru> <83r11uzs8n.fsf@gnu.org> <14845631-c2ef-8371-8606-c858092e3192@yandex.ru> <83mtcizov2.fsf@gnu.org> <83h72qzheq.fsf@gnu.org> <25717d84-3411-a93a-3620-e04fe0571aff@yandex.ru> <83edxuzemr.fsf@gnu.org> <83a68hzz0a.fsf@gnu.org> <835yj5zkm4.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16111"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, monnier@iro.umontreal.ca, Dmitry Gutov To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 06 13:50:10 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 1oKIJl-000429-Pi for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 06 Aug 2022 13:50:09 +0200 Original-Received: from localhost ([::1]:57158 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oKIJk-0000IL-TW for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 06 Aug 2022 07:50:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48154) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKIJe-0000Hv-KQ for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 07:50:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43150) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oKIJe-0001vk-BI for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 07:50:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oKIJe-0005fx-7T for bug-gnu-emacs@gnu.org; Sat, 06 Aug 2022 07:50:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 06 Aug 2022 11:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56682 X-GNU-PR-Package: emacs Original-Received: via spool by 56682-submit@debbugs.gnu.org id=B56682.165978654921734 (code B ref 56682); Sat, 06 Aug 2022 11:50:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 6 Aug 2022 11:49:09 +0000 Original-Received: from localhost ([127.0.0.1]:32899 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oKIIn-0005eT-35 for submit@debbugs.gnu.org; Sat, 06 Aug 2022 07:49:09 -0400 Original-Received: from heytings.org ([95.142.160.155]:41650) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oKIIl-0005eL-BO for 56682@debbugs.gnu.org; Sat, 06 Aug 2022 07:49:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659786546; bh=O7KwCSyo7APB/6+5zaY5s0MPc0WDs2ZjizVEJNcA/Vc=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=f9zvaDqv8VpvS0I4FWpqtMNmu3gk71IZAGdfDLyunERbFC01kSggtgjkXrEfS/u5x lgxMPueew2jL/FQyD2u/7EL1mVrjId4895Hgz+p2u3d/av0A+jvBBSO0gzwvQxjp0+ iRyN+NYD7zzixGJffkgjsygb29GVUSyY+H3ESO5kUtn+h4VDNk/DVzaZBFKJ8tnjje zwhERcxVvMZoKtv7UyiR4eliIO7Bi5at/FHzDlzG0NglNTQKcfw+hSZ0KwLLhXJA0M XOW2JGpnHddSvyDrhQbM8BKTPsNfNNzEn6/vjvOCthI6hjeiOpP7s/K63uRRwlH2Nw MJuIce/cRVQQQ== In-Reply-To: <835yj5zkm4.fsf@gnu.org> 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:238969 Archived-At: >> Just like depicted on my latest screenshot for downloadify.js: the >> beginning of the narrowed region ended up inside a string, and as a >> result several screenfuls were entirely mis-fontified, with strings and >> non-strings inverted. > > Yes, and IMNSHO responsiveness is more important than correctness in > these cases. > Especially given that the said correctness has always been relative. So it's not like we're leaving the aven of 100% correctness and falling into the hell of 10% correctness. A more reasonable view of the situation is that we had 90% correctness and now have, in files with "loo long lines" and only in those files, 60% correctness.