From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Help with font-lock-add-keywords Date: Fri, 13 Mar 2015 15:52:06 +0100 Message-ID: <87mw3h9ch5.fsf@wmi.amu.edu.pl> References: <87pp8deg7s.fsf@wmi.amu.edu.pl> <87pp8d1ru5.fsf@web.de> <87mw3he6zg.fsf@wmi.amu.edu.pl> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1426258364 13793 80.91.229.3 (13 Mar 2015 14:52:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 13 Mar 2015 14:52:44 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Mar 13 15:52:37 2015 Return-path: Envelope-to: geh-help-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 1YWQwy-0007Ax-Gy for geh-help-gnu-emacs@m.gmane.org; Fri, 13 Mar 2015 15:52:32 +0100 Original-Received: from localhost ([::1]:37266 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YWQwx-0002Es-ML for geh-help-gnu-emacs@m.gmane.org; Fri, 13 Mar 2015 10:52:31 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33619) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YWQwi-0002EY-J6 for help-gnu-emacs@gnu.org; Fri, 13 Mar 2015 10:52:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YWQwd-0004qC-7k for help-gnu-emacs@gnu.org; Fri, 13 Mar 2015 10:52:16 -0400 Original-Received: from msg.wmi.amu.edu.pl ([2001:808:114:2::50]:34714) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YWQwd-0004pJ-19 for help-gnu-emacs@gnu.org; Fri, 13 Mar 2015 10:52:11 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by msg.wmi.amu.edu.pl (Postfix) with ESMTP id B8B7D57E49 for ; Fri, 13 Mar 2015 15:52:08 +0100 (CET) Original-Received: from msg.wmi.amu.edu.pl ([127.0.0.1]) by localhost (msg.wmi.amu.edu.pl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f552SXXMo8GA for ; Fri, 13 Mar 2015 15:52:08 +0100 (CET) Original-Received: from localhost (117-116.echostar.pl [213.156.117.116]) by msg.wmi.amu.edu.pl (Postfix) with ESMTPSA id 848D557E42 for ; Fri, 13 Mar 2015 15:52:08 +0100 (CET) In-reply-to: X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:808:114:2::50 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:103144 Archived-At: On 2015-03-13, at 15:37, Drew Adams wrote: >> Emacs tried to evaluate the unquoted (and undefined) symbol in the midst >> of fontifying, so there as an error and the fontifying routine crashed. >> (Just my suspicion, but seems reasonable.) > > In general, errors that occur during font locking are swallowed, on > purpose. Font lock is pretty much an invisible, background genie that > does its thing whenever it feels like it, independently of what else > you might think is going on. > > It would generally be inappropriate for such an error to be raised, > so font lock just gives up at that point, instead of raising it. Of course. Still, this seems to explain the behavior I saw. Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Faculty of Mathematics and Computer Science Adam Mickiewicz University