From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#29159: 27.0.50; Hang in HTML/CSS code Date: Sat, 25 Nov 2017 21:17:20 -0500 Message-ID: References: <87po8waalq.fsf@mouse.gnus.org> <1509918959.2160.0@smtp.gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1511662703 21211 195.159.176.226 (26 Nov 2017 02:18:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 26 Nov 2017 02:18:23 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Lars Ingebrigtsen , Tom Tromey , 29159@debbugs.gnu.org To: Simen =?UTF-8?Q?Heggest=C3=B8yl?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 26 03:18:19 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 1eImWI-0004ex-CD for geb-bug-gnu-emacs@m.gmane.org; Sun, 26 Nov 2017 03:18:10 +0100 Original-Received: from localhost ([::1]:54935 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eImWP-0008DP-Gb for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Nov 2017 21:18:17 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58401) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eImWF-0008DJ-TU for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 21:18:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eImWA-0006tU-Tt for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 21:18:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:49705) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eImWA-0006tP-Q7 for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 21:18:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eImWA-0003y1-HN for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 21:18:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 26 Nov 2017 02:18:02 +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=B29159.151166265315213 (code B ref 29159); Sun, 26 Nov 2017 02:18:02 +0000 Original-Received: (at 29159) by debbugs.gnu.org; 26 Nov 2017 02:17:33 +0000 Original-Received: from localhost ([127.0.0.1]:58385 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eImVh-0003xJ-By for submit@debbugs.gnu.org; Sat, 25 Nov 2017 21:17:33 -0500 Original-Received: from pmta21.teksavvy.com ([76.10.157.36]:44551) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eImVf-0003x4-GB for 29159@debbugs.gnu.org; Sat, 25 Nov 2017 21:17:31 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2GULwCiIxpa/9Iwq8BaHQEBBQELAYM8gVSJM4YHjiABgXw0AZY5ghCFPwQCAoRdRxEBAQEBAQEBAQEDaCiFIQEEAVYjBQsLNBIUGA0kii0IqBuKegEBAQEBBQIBJYM6iHCLFAWTCo88lwmJd4dal3Q5DBSBUDIaCDCCY4RyI4seAQEB X-IPAS-Result: A2GULwCiIxpa/9Iwq8BaHQEBBQELAYM8gVSJM4YHjiABgXw0AZY5ghCFPwQCAoRdRxEBAQEBAQEBAQEDaCiFIQEEAVYjBQsLNBIUGA0kii0IqBuKegEBAQEBBQIBJYM6iHCLFAWTCo88lwmJd4dal3Q5DBSBUDIaCDCCY4RyI4seAQEB X-IronPort-AV: E=Sophos;i="5.44,456,1505793600"; d="scan'208";a="9925674" Original-Received: from 192-171-48-210.cpe.pppoe.ca (HELO pastel.home) ([192.171.48.210]) by smtp.teksavvy.com with ESMTP; 25 Nov 2017 21:17:20 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id B5125606C5; Sat, 25 Nov 2017 21:17:20 -0500 (EST) In-Reply-To: <1509918959.2160.0@smtp.gmail.com> ("Simen =?UTF-8?Q?Heggest=C3=B8yl?="'s message of "Sun, 05 Nov 2017 22:55:59 +0100") 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:140392 Archived-At: > 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. Could you give some details? Functions on font-lock-extend-region-functions should *never* shrink a region (since that risks inf-looping, obviously). After all, it's called "...-extend-...", right? So if font-lock-extend-region-multiline puts beg at 39, it's incorrect for mhtml--extend-font-lock-region to move it back to 40. Stefan