From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Leo Newsgroups: gmane.emacs.bugs,gmane.emacs.pretest.bugs Subject: bug#3356: 23.0.93; Loss of undo info in calc Date: Sun, 24 May 2009 01:25:20 +0100 Organization: University of Cambridge Message-ID: References: <87my93g6rc.fsf@gmail.com> Reply-To: Leo , 3356@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 1243126180 21233 80.91.229.12 (24 May 2009 00:49:40 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 24 May 2009 00:49:40 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org To: bug-gnu-emacs@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun May 24 02:49:33 2009 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 1M81u8-00050Y-13 for geb-bug-gnu-emacs@m.gmane.org; Sun, 24 May 2009 02:49:32 +0200 Original-Received: from localhost ([127.0.0.1]:56116 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M81u7-0000aV-Gj for geb-bug-gnu-emacs@m.gmane.org; Sat, 23 May 2009 20:49:31 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M81u1-0000Yr-4F for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:49:25 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M81tw-0000Xn-QT for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:49:24 -0400 Original-Received: from [199.232.76.173] (port=53864 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M81tw-0000Xh-OJ for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:49:20 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:42361) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1M81tt-0007rq-L4 for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:49:18 -0400 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n4O0nBiG031380; Sat, 23 May 2009 17:49:12 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id n4O0U444028000; Sat, 23 May 2009 17:30:04 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Leo Original-Sender: news Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Sun, 24 May 2009 00:30:04 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: followup 3356 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by submit@emacsbugs.donarmstrong.com id=B.124312475527479 (code B ref -1); Sun, 24 May 2009 00:30:04 +0000 Original-Received: (at submit) by emacsbugs.donarmstrong.com; 24 May 2009 00:25:55 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n4O0Pnrf027474 for ; Sat, 23 May 2009 17:25:51 -0700 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M81XA-0007rh-4L for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:25:48 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M81X5-0007pn-6L for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:25:47 -0400 Original-Received: from [199.232.76.173] (port=55661 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M81X4-0007pj-TN for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:25:42 -0400 Original-Received: from main.gmane.org ([80.91.229.2]:36226 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 1M81X4-0005qs-CJ for bug-gnu-emacs@gnu.org; Sat, 23 May 2009 20:25:42 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1M81Wz-0002Jx-Km for bug-gnu-emacs@gnu.org; Sun, 24 May 2009 00:25:37 +0000 Original-Received: from smaug.linux.pwf.cam.ac.uk ([193.60.95.72]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 24 May 2009 00:25:37 +0000 Original-Received: from sdl.web by smaug.linux.pwf.cam.ac.uk with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 24 May 2009 00:25:37 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 21 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: smaug.linux.pwf.cam.ac.uk User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) Cancel-Lock: sha1:HLWzB8POjmRgcgL3+cW2vX8mCGw= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Resent-Date: Sat, 23 May 2009 20:49:24 -0400 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:28102 gmane.emacs.pretest.bugs:24486 Archived-At: On 2009-05-23 16:48 +0100, Jay Belanger wrote: >> 1. M-x calc >> 2. do some calculation for example: ' sqrt ( x ) RET a t x 5 RET >> 3. type q to quit calc >> 4. M-x calc to bring it back >> 5. type U >> >> You will get "No further undo information is available". > > calc-quit sets the undo list to nil on purpose, probably to save limited > memory in the early days. If there are still memory considerations, > then calc-quit could truncate the undo list rather than remove it, I think it should do its best to protect user's data. This option seems very desirable. > otherwise it'd be easy to have calc-quit not do anything with the undo > list. -- .: Leo :. [ sdl.web AT gmail.com ] .: I use Emacs :.