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: Sun, 14 Aug 2022 16:24:57 +0000 Message-ID: <5900f20836ca3f305df8@heytings.org> References: <92da07bd02941d5537e9@heytings.org> <5308e3b5-a160-17d7-77ee-b1d00acfa20d@yandex.ru> <92da07bd02a6cc861e1a@heytings.org> <837d3lzv8n.fsf@gnu.org> <2c8d6755-cfe2-6559-3fde-3fa30ffb411e@yandex.ru> <83mtcgy44k.fsf@gnu.org> <83k07jx5jn.fsf@gnu.org> <866e510d-a060-7daa-d002-97861d056fa7@yandex.ru> <1144021660321893@iva5-64778ce1ba26.qloud-c.yandex.net> <12348081660379417@sas2-a098efd00d24.qloud-c.yandex.net> <66bbbb95983414e79637@heytings.org> <66bbbb95983475c5f3b0@heytings.org> <0d67f253-c080-d750-c2cb-4a9591ff8c6c@yandex.ru> <83lerrl734.fsf@gnu.org> <83wnbbj7v4.fsf@gnu.org> <75c316c0-3346-e702-b114-41a7f899deb1@yandex.ru> 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="34494"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , monnier@iro.umontreal.ca To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Aug 14 18:25:12 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 1oNGQK-0008jQ-9V for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 18:25:12 +0200 Original-Received: from localhost ([::1]:58470 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNGQJ-0005Ur-67 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Aug 2022 12:25:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60206) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNGQA-0005Uf-NP for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:25:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49874) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNGQA-0002ok-Cl for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:25:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oNGQA-0003Kj-8g for bug-gnu-emacs@gnu.org; Sun, 14 Aug 2022 12:25:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 14 Aug 2022 16:25:02 +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=B56682.166049430112803 (code B ref 56682); Sun, 14 Aug 2022 16:25:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 14 Aug 2022 16:25:01 +0000 Original-Received: from localhost ([127.0.0.1]:39623 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNGQ8-0003KR-Ub for submit@debbugs.gnu.org; Sun, 14 Aug 2022 12:25:01 -0400 Original-Received: from heytings.org ([95.142.160.155]:52850) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNGQ7-0003KI-2i for 56682@debbugs.gnu.org; Sun, 14 Aug 2022 12:24:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1660494297; bh=Y2YvC28n7fJmfwxMCUueRbKTUTcJBWAF3dEM7RxfCcQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=0lY8yj8EXX4InWSR2sPTHrWNB3s5DBGLEKmPNp/87NNk74hKHMf5sTu4a5TTIZ5/o HdU2Dq1znQfR3JRxf35EWZxORHOn4osqVosY2vDOm2gtavt8kKC9jVRilr4+Rvaex6 ZRkE9PaHCeyuGW6THFxsCzT7FwEQZCp5cxnvBc1hvoZZEN1CeqiOpKoTJaGuGYW/L5 UZGyH+RidHSM9O1A66mnrNTOJgkzywC7Od91JZBwVlx8WNUyd23Y/MV8c6phGzyYVa NhTgLIgyAfdFukB1zW6ehrp9KG1uXQ4OobK2JOQti38BAXe6eKO04z0q2Tswghs2jc yrKlxo4TfS5GQ== In-Reply-To: <75c316c0-3346-e702-b114-41a7f899deb1@yandex.ru> 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:239663 Archived-At: > > So being able to fine-tune the behavior makes sense. Certainly not a > "maintenance nightmare". > If the conclusion is, after some reasonable effort, that there is no way to make syntax-ppss significantly faster in one way or another in such cases, and that there is no way to make font locking reasonably accurate even when it doesn't have access to the whole buffer, it might make sense to provide user options to fine-tune the behavior. But we are not there yet.