From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#1501: Emacs 22 loses undo buffer Date: Sun, 07 Dec 2008 00:48:53 -0500 Message-ID: <87hc5g7cxm.fsf@cyd.mit.edu> References: <8763lwn541.fsf@cyd.mit.edu> Reply-To: Chong Yidong , 1501@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1228630236 19867 80.91.229.12 (7 Dec 2008 06:10:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 7 Dec 2008 06:10:36 +0000 (UTC) Cc: 1501@emacsbugs.donarmstrong.com To: "Emerick Rogul" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 07 07:11:41 2008 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1L9Crj-00076b-66 for geb-bug-gnu-emacs@m.gmane.org; Sun, 07 Dec 2008 07:11:39 +0100 Original-Received: from localhost ([127.0.0.1]:34455 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L9CqY-0004JV-4S for geb-bug-gnu-emacs@m.gmane.org; Sun, 07 Dec 2008 01:10:26 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L9CqR-0004J5-IG for bug-gnu-emacs@gnu.org; Sun, 07 Dec 2008 01:10:19 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L9CqP-0004Id-WF for bug-gnu-emacs@gnu.org; Sun, 07 Dec 2008 01:10:18 -0500 Original-Received: from [199.232.76.173] (port=40452 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L9CqP-0004IT-HI for bug-gnu-emacs@gnu.org; Sun, 07 Dec 2008 01:10:17 -0500 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:58518) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1L9CqP-0007ra-0g for bug-gnu-emacs@gnu.org; Sun, 07 Dec 2008 01:10:17 -0500 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id mB76AExF003042; Sat, 6 Dec 2008 22:10:14 -0800 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id mB75t4CX030470; Sat, 6 Dec 2008 21:55:04 -0800 X-Loop: don@donarmstrong.com Resent-From: Chong Yidong Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Sun, 07 Dec 2008 05:55:04 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 1501 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 1501-submit@emacsbugs.donarmstrong.com id=B1501.122862893229074 (code B ref 1501); Sun, 07 Dec 2008 05:55:04 +0000 Original-Received: (at 1501) by emacsbugs.donarmstrong.com; 7 Dec 2008 05:48:52 +0000 Original-Received: from cyd.mit.edu (CYD.MIT.EDU [18.115.2.24]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id mB75molo029068 for <1501@emacsbugs.donarmstrong.com>; Sat, 6 Dec 2008 21:48:51 -0800 Original-Received: by cyd.mit.edu (Postfix, from userid 1000) id A3A4657E1D1; Sun, 7 Dec 2008 00:48:53 -0500 (EST) In-Reply-To: (Emerick Rogul's message of "Sat, 6 Dec 2008 21:03:01 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Resent-Date: Sun, 07 Dec 2008 01:10:17 -0500 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:23030 Archived-At: Actually, I went back and tried again. Using the file you supplied, I had to do C-/ about 100 times before Emacs reached its undo-limit. That implies 200 bytes per undo limit, which is about right. So there does seem to be something strange about the behavior you're seeing, where Emacs keeps only 20 or so undo records. Did you enable any other major or minor modes before testing this? Also, does turning font-lock-mode off change anything?