From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Problem with undo and text properties. Date: Thu, 09 Apr 2015 09:17:04 -0400 Message-ID: References: <20150409111040.GA3337@acm.fritz.box> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1428585452 17595 80.91.229.3 (9 Apr 2015 13:17:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 9 Apr 2015 13:17:32 +0000 (UTC) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 09 15:17:23 2015 Return-path: Envelope-to: ged-emacs-devel@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 1YgCKg-0000I8-VS for ged-emacs-devel@m.gmane.org; Thu, 09 Apr 2015 15:17:23 +0200 Original-Received: from localhost ([::1]:34560 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YgCKf-00016N-Vv for ged-emacs-devel@m.gmane.org; Thu, 09 Apr 2015 09:17:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42272) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YgCKW-0000xS-T4 for emacs-devel@gnu.org; Thu, 09 Apr 2015 09:17:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YgCKR-0001pK-AA for emacs-devel@gnu.org; Thu, 09 Apr 2015 09:17:12 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:46295) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YgCKR-0001pC-5e for emacs-devel@gnu.org; Thu, 09 Apr 2015 09:17:07 -0400 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id t39DH5wA022836; Thu, 9 Apr 2015 09:17:05 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id DFEDC2270; Thu, 9 Apr 2015 09:17:04 -0400 (EDT) In-Reply-To: <20150409111040.GA3337@acm.fritz.box> (Alan Mackenzie's message of "Thu, 9 Apr 2015 11:10:40 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV5271=0 X-NAI-Spam-Version: 2.3.0.9393 : core <5271> : inlines <2667> : streams <1419592> : uri <1902495> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.22 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:185204 Archived-At: > However, if you then undo this with C-x u, it takes almost forever to > complete. The reason is that in the undo list there are lots (~6500) of > text property entries like > (nil fontified nil 92222 . 92237) The problem is that those entries shouldn't be there in the first place. Whoever puts them there needs a with-silent-modification. Stefan