From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Simen =?UTF-8?Q?Heggest=C3=B8yl?= Newsgroups: gmane.emacs.bugs Subject: bug#29159: 27.0.50; Hang in HTML/CSS code Date: Sun, 05 Nov 2017 22:55:59 +0100 Message-ID: <1509918959.2160.0@smtp.gmail.com> References: <87po8waalq.fsf@mouse.gnus.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="=-a3QEuEPVEK6z+JuOhHWE" X-Trace: blaine.gmane.org 1509919032 21164 195.159.176.226 (5 Nov 2017 21:57:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 5 Nov 2017 21:57:12 +0000 (UTC) Cc: Tom Tromey , 29159@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 05 22:57:08 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eBSuh-0005K1-UD for geb-bug-gnu-emacs@m.gmane.org; Sun, 05 Nov 2017 22:57:08 +0100 Original-Received: from localhost ([::1]:45779 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eBSup-00088F-BP for geb-bug-gnu-emacs@m.gmane.org; Sun, 05 Nov 2017 16:57:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59844) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eBSuh-00088A-43 for bug-gnu-emacs@gnu.org; Sun, 05 Nov 2017 16:57:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eBSuc-00071f-7I for bug-gnu-emacs@gnu.org; Sun, 05 Nov 2017 16:57:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:44072) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eBSuc-00071O-2h for bug-gnu-emacs@gnu.org; Sun, 05 Nov 2017 16:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eBSub-0003nS-Qv for bug-gnu-emacs@gnu.org; Sun, 05 Nov 2017 16:57:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Simen =?UTF-8?Q?Heggest=C3=B8yl?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 05 Nov 2017 21:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29159 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29159-submit@debbugs.gnu.org id=B29159.150991897214524 (code B ref 29159); Sun, 05 Nov 2017 21:57:01 +0000 Original-Received: (at 29159) by debbugs.gnu.org; 5 Nov 2017 21:56:12 +0000 Original-Received: from localhost ([127.0.0.1]:52753 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eBStm-0003mA-C6 for submit@debbugs.gnu.org; Sun, 05 Nov 2017 16:56:12 -0500 Original-Received: from mail-lf0-f54.google.com ([209.85.215.54]:56816) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eBStk-0003lx-7K for 29159@debbugs.gnu.org; Sun, 05 Nov 2017 16:56:08 -0500 Original-Received: by mail-lf0-f54.google.com with SMTP id 90so8478316lfs.13 for <29159@debbugs.gnu.org>; Sun, 05 Nov 2017 13:56:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:subject:to:cc:message-id:in-reply-to:references :mime-version; bh=8YxafWDcYjPTAYRPqffMFZC8sVceyZ3kwQj75krthnU=; b=cDgJ7ZhMN6qNoQuTyHRUeDpr9U2kmg+Akdtd7M+1gU43oRca9ui+wJwicqITxVhhkY FALBOcBijFfLiPAZ9/mkpmVZgEpagM98zJAD5QcHgKjBo4d/ZSPGUOfOoiJZeMdF0H27 T8MKsn0g2jx1zMaQGsogWSwPB6Nm9wJs37AsEhhOspNlQbYJZOPjudwDhpZVOvVIZusm 8ahkpwpR0fkUiXY0wdmP+akED7GrNE3vKC6JvK0N92EmKWeIywwPAP9D/1WvG03dQtpT RclLhTQ2I93vPd4UgGDQXJ6kJ1OHykhScpmeXU/RVWXkto/YGKOhNnaIb3Y17w2tTsuk oD4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:subject:to:cc:message-id:in-reply-to :references:mime-version; bh=8YxafWDcYjPTAYRPqffMFZC8sVceyZ3kwQj75krthnU=; b=hrtovA/fcZTS/6X432e2EcIoBfCzGGJT/EeeffhwdetFkDB7C3WVZeeS3eKehn+L/P g8KJ+0cUO7sDoa+kAZdiJtBhTBesfQKgBNst7lffkEAra+jS3YdpjOXouPXUItCtSEQ+ 4EnrqkFIrn4aNSXkw4q/P2bLaks2q5/igCowHcGxq10h/vMYV3pEHijUwnK5AaHqOmWS OMtVyugs33gzKGrkoLt1ytbhtDkicW4gFIcS6sQMYDw/lnd4AleN1OINXNyvi4RJ+DK1 6izjKwY4mIBC7mizIM7MP3p5DP201vdofGqUe16TH4sb7Dc2+RtekTzETBzGDxxIi2aw FyHQ== X-Gm-Message-State: AJaThX5t+MbmTTpqSI0GISGqvhbq1AMy1bpqIL9023FHBZOMulfUBFpc n29tWNn11aQoh77UpseMp+I= X-Google-Smtp-Source: ABhQp+QBGaLGZho1XW1oMZnubrjg1pXe6fq8lnVM27zE9E48Tmi57DNeEky/67PbFddYWAsX+gobAg== X-Received: by 10.25.205.198 with SMTP id d189mr3951689lfg.48.1509918962125; Sun, 05 Nov 2017 13:56:02 -0800 (PST) Original-Received: from [192.168.100.3] (cm-84.210.143.4.getinternet.no. [84.210.143.4]) by smtp.gmail.com with ESMTPSA id a4sm2331634ljd.7.2017.11.05.13.56.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 05 Nov 2017 13:56:00 -0800 (PST) In-Reply-To: <87po8waalq.fsf@mouse.gnus.org> X-Mailer: geary/0.12-dev 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: 208.118.235.43 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:139490 Archived-At: --=-a3QEuEPVEK6z+JuOhHWE Content-Type: text/plain; charset=us-ascii; format=flowed The bug is also present in Emacs 26. It looks like `mhtml--extend-font-lock-region' and `font-lock-extend-region-multiline' are squabbling about where to leave `font-lock-beg'. In this particular example, `mhtml--extend-font-lock-region' wants to leave `font-lock-beg' at 40 while `font-lock-extend-region-multiline' wants it at 39, resulting in an endless back and forth. CC-ing Tom in case he has some insight into how it should be fixed. -- Simen --=-a3QEuEPVEK6z+JuOhHWE Content-Type: text/html; charset=us-ascii
The bug is also present in Emacs 26.

It looks like `mhtml--extend-font-lock-region' and
`font-lock-extend-region-multiline' are squabbling about where to
leave `font-lock-beg'.

In this particular example, `mhtml--extend-font-lock-region' wants to
leave `font-lock-beg' at 40 while `font-lock-extend-region-multiline'
wants it at 39, resulting in an endless back and forth.

CC-ing Tom in case he has some insight into how it should be fixed.

-- Simen
--=-a3QEuEPVEK6z+JuOhHWE--