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#57804: An infinite loop in a `fontify-region' function causes Emacs to hang indefinitely Date: Thu, 15 Sep 2022 21:32:18 +0000 Message-ID: References: <87pmfx6h7y.fsf@gnus.org> <2b58b8f5429a6e3aecda@heytings.org> <834jx85tyv.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5165"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , 57804@debbugs.gnu.org, Lars Ingebrigtsen To: Paul Pogonyshev Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 15 23:33:14 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 1oYwTw-00015P-QJ for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 15 Sep 2022 23:33:13 +0200 Original-Received: from localhost ([::1]:34654 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oYwTv-0003gb-RT for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 15 Sep 2022 17:33:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36140) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYwTo-0003gT-Vo for bug-gnu-emacs@gnu.org; Thu, 15 Sep 2022 17:33:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42479) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oYwTm-0002Ap-Nb for bug-gnu-emacs@gnu.org; Thu, 15 Sep 2022 17:33:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oYwTm-0008PB-HT for bug-gnu-emacs@gnu.org; Thu, 15 Sep 2022 17:33:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 15 Sep 2022 21:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57804 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: wontfix Original-Received: via spool by 57804-submit@debbugs.gnu.org id=B57804.166327754132263 (code B ref 57804); Thu, 15 Sep 2022 21:33:02 +0000 Original-Received: (at 57804) by debbugs.gnu.org; 15 Sep 2022 21:32:21 +0000 Original-Received: from localhost ([127.0.0.1]:59411 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oYwT7-0008OI-DB for submit@debbugs.gnu.org; Thu, 15 Sep 2022 17:32:21 -0400 Original-Received: from heytings.org ([95.142.160.155]:43200) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oYwT5-0008OA-O0 for 57804@debbugs.gnu.org; Thu, 15 Sep 2022 17:32:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1663277538; bh=iZpzsDzCSYMgY62kygV9nJkAyWvvOPk3S0TWkcvRDMQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=Jhrzmt8CBk5iyrtP6uMMdB3e7v0LdYDiKsIyq6rQSZCrzZ/ophMeHc+XiMPN5NYvD G9pS1S4Qyq/NXZpGtW0dv6O++ixNrquFdzb4izN2DlFAmjIQqDfD1ewF3Htt4ESLv3 tdEbW5YGnDrC5f1xbCvAhZ61QzM3CrYkXeOl33xFJSORSzWqpPx5D12xaqD2tQ1TYs NUsJCOqTonUE8CM5UfyCZuciNy6/9VpKeABV2eUdGk65reJfibUTAgKreWMnrp9j5i lnig4LyjoKfHD5Fmta734X048RgGjeMKpwQuKne8N2cwHcOpVQto4+O+4OW81hZ2ek 3y3PFNUNcmroA== 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:242652 Archived-At: > > Logview needs to temporarily cancel restrictions in _practically all_ > its function. > It can do so (or more precisely will be able to do so) by calling narrowing-unlock with the appropriate tag, which IIUC correctly is, in your case, 'fontification-functions. I don't see why you would need anything else, especially given that a general mechanism to disable locked narrowing everywhere is already available for users who, like you, don't care about long lines.