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: Wed, 03 Aug 2022 22:10:25 +0000 Message-ID: <5f6988c7812491a0505e@heytings.org> References: <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <6ea376f6-d503-06d8-6d83-50c52b695394@yandex.ru> <8c7321f2f3ac52bfee4b@heytings.org> <8c7321f2f3ec1ef81af9@heytings.org> <02e83b0e-1b5c-fe75-6e59-1f8ddff82d37@yandex.ru> <96f28fd8-6744-1925-0631-0095099362dd@yandex.ru> <74ddc877f1e81f399eea@heytings.org> <74ddc877f14320d7852f@heytings.org> <5f6988c781f1253541e3@heytings.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="9382"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, Eli Zaretskii , Dmitry Gutov To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 04 00:11:14 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 1oJMa9-0002JS-Rf for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 04 Aug 2022 00:11:14 +0200 Original-Received: from localhost ([::1]:57362 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJMa8-0007g0-PB for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 18:11:12 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36158) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJMZy-0007fs-7J for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 18:11:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60513) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJMZx-0007O9-VD for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 18:11:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJMZx-0007YV-Jn for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 18:11:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 03 Aug 2022 22:11:01 +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=B56682.165956463229002 (code B ref 56682); Wed, 03 Aug 2022 22:11:01 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 3 Aug 2022 22:10:32 +0000 Original-Received: from localhost ([127.0.0.1]:50261 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJMZT-0007Xi-Ph for submit@debbugs.gnu.org; Wed, 03 Aug 2022 18:10:31 -0400 Original-Received: from heytings.org ([95.142.160.155]:37576) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJMZQ-0007XY-NB for 56682@debbugs.gnu.org; Wed, 03 Aug 2022 18:10:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1659564626; bh=GLd2Kg5FjhKe1X+mVgAX9TNRVEuG4yx8G0JMZCPcZYI=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=DwKs8VP76LvnQ8I9rJudp2QjlCmav4vqH7PJboRH5apkjnvKUYMCNdDWzKa2NOvPm o9kFbZ6nM4OJiIVHOj2RgjyT6g7zzC/FEg5JopjEzMyZ5dOb1uGCaXaws1AgAgHxwZ azjugSNLNjqXqGn3reUnI2+A0aQ+GRUwfWlQr/SIkRmSVH+R1v/AiBZvp3vI4ct1Ti Npbi/f2UzSOq+JVqWW1am35I6jS1ys5rO/4ORqpPZ3QEqmv5zpbCpmQ/R9zXR1Gdd4 xGHs/7gLIYRLsO4HDA2zmx2hXJFistjuHodF2JKgzRrFOuYMv9gCm771iHDWsS+h8R yXu+VEvxhxsng== In-Reply-To: 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:238655 Archived-At: By the way, I found at least one other case in which Emacs silently refuses to do what the programmer asked it to do. A recipe: emacs -Q M-: (setq max-specpdl-size 100) RET M-: max-specpdl-size RET ;; this returns 100, as expected C-x C-f lisp/simple.el RET M-: max-specpdl-size RET ;; this returns 400, why? M-: (setq max-specpdl-size 100) RET M-: max-specpdl-size RET ;; this returns 100 again, as expected C-v ;; lean on the key until the end of the buffer M-: max-specpdl-size RET ;; this returns 265, why?