From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: An idea: combine-change-calls Date: Tue, 27 Mar 2018 16:24:28 -0400 Message-ID: References: <20180324135024.GA6319@ACM> <20180325191424.GE6292@ACM> <20180326201728.GA28620@ACM> <20180327165816.GB4105@ACM> <20180327194507.GD4105@ACM> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1522182187 24334 195.159.176.226 (27 Mar 2018 20:23:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Mar 2018 20:23:07 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Mar 27 22:23:03 2018 Return-path: Envelope-to: ged-emacs-devel@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 1f0v7X-0006DI-DL for ged-emacs-devel@m.gmane.org; Tue, 27 Mar 2018 22:23:03 +0200 Original-Received: from localhost ([::1]:35942 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0v9Z-0001NQ-5e for ged-emacs-devel@m.gmane.org; Tue, 27 Mar 2018 16:25:09 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52462) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0v90-0001N7-HS for emacs-devel@gnu.org; Tue, 27 Mar 2018 16:24:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f0v8x-00040Z-DN for emacs-devel@gnu.org; Tue, 27 Mar 2018 16:24:34 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:33935) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0v8x-00040I-7d for emacs-devel@gnu.org; Tue, 27 Mar 2018 16:24:31 -0400 Original-Received: from ceviche.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id w2RKOSra018762; Tue, 27 Mar 2018 16:24:28 -0400 Original-Received: by ceviche.home (Postfix, from userid 20848) id 20072663C5; Tue, 27 Mar 2018 16:24:28 -0400 (EDT) In-Reply-To: <20180327194507.GD4105@ACM> (Alan Mackenzie's message of "Tue, 27 Mar 2018 19:45:07 +0000") X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.1 X-NAI-Spam-Rules: 3 Rules triggered TRK_NCM1=0.1, EDT_SA_DN_PASS=0, RV6251=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6251> : inlines <6523> : streams <1782441> : uri <2615898> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:224107 Archived-At: >> See http://elpa.gnu.org/packages/undo-tree.html > Interesting. But I think it would be overkill for me personally. The point is not to make you use it, but that this package uses the same buffer-undo-list, so any change to the format would break it. > I really don't want to do this. Some people will want to analyse > buffer-undo-list and such a replacement will throw off this analysis, > possibly to the extent of making it useless. How/why? I can't think of any case where it would cause such problems: the resulting undo-list, tho less detailed than the original one, is perfectly valid. Stefan