From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thorsten Jolitz Newsgroups: gmane.emacs.help Subject: Re: How to determine buffer change Date: Sat, 05 Apr 2014 13:49:13 +0200 Message-ID: <87zjk0c7ye.fsf@gmail.com> References: <877g74dmve.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1396698518 31355 80.91.229.3 (5 Apr 2014 11:48:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 5 Apr 2014 11:48:38 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Apr 05 13:48:31 2014 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 1WWP5K-000521-AS for geh-help-gnu-emacs@m.gmane.org; Sat, 05 Apr 2014 13:48:30 +0200 Original-Received: from localhost ([::1]:54166 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWP5J-0003RN-US for geh-help-gnu-emacs@m.gmane.org; Sat, 05 Apr 2014 07:48:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56339) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWP50-0003Qw-9C for help-gnu-emacs@gnu.org; Sat, 05 Apr 2014 07:48:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WWP4s-0001Rt-RN for help-gnu-emacs@gnu.org; Sat, 05 Apr 2014 07:48:10 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:45606) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWP4s-0001Rc-K5 for help-gnu-emacs@gnu.org; Sat, 05 Apr 2014 07:48:02 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WWP4r-0004dp-E9 for help-gnu-emacs@gnu.org; Sat, 05 Apr 2014 13:48:01 +0200 Original-Received: from g231227109.adsl.alicedsl.de ([92.231.227.109]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 05 Apr 2014 13:48:01 +0200 Original-Received: from tjolitz by g231227109.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 05 Apr 2014 13:48:01 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 16 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: g231227109.adsl.alicedsl.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:K3Kbzvdo/Qekl5O/vu1aH9mazco= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 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:97003 Archived-At: Thorsten Jolitz writes: > I would rather store the whole buffer-undo-list in a VAR1 at time T1, > and then again in VAR2 at time T2 (when quitting), and then do > > ,--------------- > | (eq VAR1 VAR2) > `--------------- > > to figure out if any edits happened. I meant (equal ...) of course -- cheers, Thorsten