From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: bojohan+news@dd.chalmers.se (Johan =?utf-8?Q?Bockg=C3=A5rd?=) Newsgroups: gmane.emacs.devel,gmane.emacs.help Subject: Re: undo boundaries Date: Sat, 15 Mar 2008 14:19:29 +0100 Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1205587229 22002 80.91.229.12 (15 Mar 2008 13:20:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 15 Mar 2008 13:20:29 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Mar 15 14:20:58 2008 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JaWJj-0006nD-OA for ged-emacs-devel@m.gmane.org; Sat, 15 Mar 2008 14:20:56 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JaWJA-0006oH-Ct for ged-emacs-devel@m.gmane.org; Sat, 15 Mar 2008 09:20:20 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JaWIa-0006fv-J2 for emacs-devel@gnu.org; Sat, 15 Mar 2008 09:19:44 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JaWIY-0006ef-Ss for emacs-devel@gnu.org; Sat, 15 Mar 2008 09:19:44 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JaWIY-0006ea-LF for emacs-devel@gnu.org; Sat, 15 Mar 2008 09:19:42 -0400 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JaWIX-0004f8-FK for emacs-devel@gnu.org; Sat, 15 Mar 2008 09:19:42 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JaWIT-00037a-Bx for emacs-devel@gnu.org; Sat, 15 Mar 2008 13:19:37 +0000 Original-Received: from remote2.student.chalmers.se ([129.16.29.80]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 15 Mar 2008 13:19:37 +0000 Original-Received: from bojohan+news by remote2.student.chalmers.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 15 Mar 2008 13:19:37 +0000 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Original-Followup-To: gmane.emacs.devel Original-Lines: 43 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: remote2.student.chalmers.se User-Agent: Gnus/5.110007 (No Gnus v0.7) Emacs/23.0.60 (gnu/linux) Mail-Copies-To: never Cancel-Lock: sha1:pDyfsv2/If0B8aq44BhrZhC4wOg= X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:92673 gmane.emacs.help:52432 Archived-At: The likely suspect is this change: undo.c revision 1.55 date: 2002-04-04 22:42:56 +0200; author: monnier; (record_point): New fun. (record_delete, record_insert): Use it. bojohan+news@dd.chalmers.se (Johan Bockgård) writes: > Nikolaj Schumacher writes: > >> I'm trying to use undo boundaries, but I'm unable to explain its >> behavior. >> >> For example: >> >> (defun test () >> (interactive) >> (insert "a") >> (undo-boundary) >> (insert "b")) >> >> If I do M-x test, I get: >> ab >> ^ >> >> But if I undo once, I get: >> a >> ^ >> >> What I was expecting: >> a >> ^ >> >> Is this a bug or is there a reason for this behavior? > > A bug, IMO. Emacs 21 does what you expect. -- Johan Bockgård