From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#13817: 24.3.50; Disabling whitespace-mode that was enabled in sgml-mode-hook breaks font-lock Date: Tue, 26 Feb 2013 10:29:13 +0400 Message-ID: <87ppznbnba.fsf@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1361860757 19240 80.91.229.3 (26 Feb 2013 06:39:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 26 Feb 2013 06:39:17 +0000 (UTC) To: 13817@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Feb 26 07:39:40 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UAECN-0001aV-AO for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Feb 2013 07:39:35 +0100 Original-Received: from localhost ([::1]:39602 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAEC1-0003E2-MG for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Feb 2013 01:39:13 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:42420) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAEBs-0003Cl-K5 for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:39:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UAEBp-00067U-NT for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:39:04 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44889) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAE3Q-0003Of-G3 for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:30:20 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1UAE54-0000mF-UR for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:32:03 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Dmitry Gutov Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 Feb 2013 06:32:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 13817 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.13618603192976 (code B ref -1); Tue, 26 Feb 2013 06:32:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 26 Feb 2013 06:31:59 +0000 Original-Received: from localhost ([127.0.0.1]:50353 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UAE51-0000lw-3i for submit@debbugs.gnu.org; Tue, 26 Feb 2013 01:31:59 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:54736) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1UAE4t-0000li-UA for submit@debbugs.gnu.org; Tue, 26 Feb 2013 01:31:55 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UAE2z-00032M-LW for submit@debbugs.gnu.org; Tue, 26 Feb 2013 01:30:08 -0500 Original-Received: from lists.gnu.org ([208.118.235.17]:49052) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAE2z-00032E-6T for submit@debbugs.gnu.org; Tue, 26 Feb 2013 01:29:53 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:37567) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAE2i-0001vE-Hc for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:29:53 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UAE2T-0002rf-QA for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:29:36 -0500 Original-Received: from mail-la0-x22f.google.com ([2a00:1450:4010:c03::22f]:34700) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UAE2T-0002rK-Gd for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2013 01:29:21 -0500 Original-Received: by mail-la0-f47.google.com with SMTP id fj20so3471353lab.20 for ; Mon, 25 Feb 2013 22:29:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:subject:date:message-id:mime-version :content-type; bh=wZVlmaVoer11YHW1j43fInpDKRjlDJaKtv3F1vS6Tkg=; b=s6Lgi4Pu5gO4B0gpypmiQfC/HA1V8FLUNGjr1J4c4KRJNlVglUs+niug9S8K9uQMdN pZOgQ68QgtO9Hscfd75FhYFg1TDRKDDrWXX/3vyvcb4FjJvEhAKwskFHDPGPslV/obav N8FnmVD8f1zw4/fhi9RguxXHQ1KSalrKQSbrE3XLo42jTWoVPQS+FQ4rYG3OsrqNZ94A Cw0h1l16GGK6NATwpK8YHxljAgndSS1gh26tVaeI8GqsBA3Ri5XfufbfmuRHyW5lijJa TdI4DbCmtK1KUAeLEmYCBxyzuZdhsZ6pxCxJR9V0q8/H0kfJqUf6DopMJndTLTlApSOW WaoA== X-Received: by 10.152.144.138 with SMTP id sm10mr12325327lab.53.1361860160108; Mon, 25 Feb 2013 22:29:20 -0800 (PST) Original-Received: from vbx ([178.252.98.87]) by mx.google.com with ESMTPS id mq7sm8246633lab.1.2013.02.25.22.29.18 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 25 Feb 2013 22:29:19 -0800 (PST) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:71828 Archived-At: Revno 111881 fixed the obvious problem with whitespace-mode, here's a less obvious one. This seems to be localized to sgml-mode and its derivatives so far: js-mode, ruby-mode, etc are not affected. 1. (add-hook 'sgml-mode-hook 'whitespace-mode) 2. Open a file in sgml-mode or html-mode, or create a buffer and turn either mode manually. whitespace-mode will be enabled. 3. M-x whitespace-mode => it's disabled, font-lock is gone, the value of font-lock-keywords is (t nil). On the surface, the reason for this is that when whitespace-mode is being turned on in the hook, font-lock-keywords is still nil, and so nil is saved in whitespace-font-lock-keywords. In GNU Emacs 24.3.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.6.0) of 2013-02-26 on vbx Bzr revision: 111882 eggert@cs.ucla.edu-20130226030908-c65ivknn1bm5hjru Windowing system distributor `The X.Org Foundation', version 11.0.11300000 System Description: Ubuntu 12.10