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: guaranteed undo boundaries Date: Thu, 07 Feb 2013 11:28:36 -0500 Message-ID: References: <20755.5946.622823.482019@gargle.gargle.HOWL> <20755.49088.181018.960947@gargle.gargle.HOWL> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1360254527 29099 80.91.229.3 (7 Feb 2013 16:28:47 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 7 Feb 2013 16:28:47 +0000 (UTC) Cc: emacs-devel@gnu.org To: "Roland Winkler" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Feb 07 17:29:08 2013 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 1U3ULU-0003On-9G for ged-emacs-devel@m.gmane.org; Thu, 07 Feb 2013 17:29:08 +0100 Original-Received: from localhost ([::1]:51186 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U3ULB-0006sp-9L for ged-emacs-devel@m.gmane.org; Thu, 07 Feb 2013 11:28:49 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:50295) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U3UL8-0006sI-CV for emacs-devel@gnu.org; Thu, 07 Feb 2013 11:28:47 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U3UL7-0004sU-DQ for emacs-devel@gnu.org; Thu, 07 Feb 2013 11:28:46 -0500 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:35813) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U3UL4-0004qW-52; Thu, 07 Feb 2013 11:28:43 -0500 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r17GSaxF032334; Thu, 7 Feb 2013 11:28:36 -0500 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 9EBB2B4030; Thu, 7 Feb 2013 11:28:36 -0500 (EST) In-Reply-To: <20755.49088.181018.960947@gargle.gargle.HOWL> (Roland Winkler's message of "Thu, 7 Feb 2013 08:52:48 -0600") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4485=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4485> : streams <902224> : uri <1339289> 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:156860 Archived-At: > ...where I need to come up with some sensible code for a new > function remove-all-boundaries-between. Something like: (let ((list buffer-undo-list)) (while (and (cdr list) (not (eq (cdr list) bottom))) (if (null (cadr list)) (setcdr list (cddr list)) (setq list (cdr list))))) -- Stefan