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, 02 Aug 2009 15:21:52 +0100 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 1249223228 11102 80.91.229.12 (2 Aug 2009 14:27:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 2 Aug 2009 14:27:08 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org, 3356@emacsbugs.donarmstrong.com To: jay.p.belanger@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Aug 02 16:27:01 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 1MXc1c-0007Qh-VU for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Aug 2009 16:27:01 +0200 Original-Received: from localhost ([127.0.0.1]:38883 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MXc1c-0002UE-CR for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Aug 2009 10:27:00 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MXc1W-0002TW-U3 for bug-gnu-emacs@gnu.org; Sun, 02 Aug 2009 10:26:55 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MXc1S-0002RS-B3 for bug-gnu-emacs@gnu.org; Sun, 02 Aug 2009 10:26:54 -0400 Original-Received: from [199.232.76.173] (port=39198 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MXc1R-0002R8-Qc for bug-gnu-emacs@gnu.org; Sun, 02 Aug 2009 10:26:49 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:60216) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MXc1R-0001ga-2t for bug-gnu-emacs@gnu.org; Sun, 02 Aug 2009 10:26:49 -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 n72EQkLH017892; Sun, 2 Aug 2009 07:26:47 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id n72EPAHZ017655; Sun, 2 Aug 2009 07:25:10 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Leo Original-Sender: "Leo, Shidai Liu" Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Sun, 02 Aug 2009 14:25:10 +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 3356-submit@emacsbugs.donarmstrong.com id=B3356.124922292317436 (code B ref 3356); Sun, 02 Aug 2009 14:25:10 +0000 Original-Received: (at 3356) by emacsbugs.donarmstrong.com; 2 Aug 2009 14:22:03 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from ppsw-6.csi.cam.ac.uk (ppsw-6.csi.cam.ac.uk [131.111.8.136]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n72ELuk3017428 for <3356@emacsbugs.donarmstrong.com>; Sun, 2 Aug 2009 07:21:59 -0700 X-Cam-AntiVirus: no malware found X-Cam-SpamDetails: not scanned X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Original-Received: from smaug.linux.pwf.cam.ac.uk ([193.60.95.72]:59242) by ppsw-6.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (LOGIN:sl392) (TLSv1:DHE-RSA-AES128-SHA:128) id 1MXbwf-0003m6-LL (Exim 4.70) (return-path ); Sun, 02 Aug 2009 15:21:53 +0100 In-Reply-To: <87my93g6rc.fsf@gmail.com> (Jay Belanger's message of "Sat, 23 May 2009 10:48:23 -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, 2) Resent-Date: Sun, 02 Aug 2009 10:26:54 -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:29794 gmane.emacs.pretest.bugs:24907 Archived-At: On 2009-05-23 16:48 +0100, Jay Belanger wrote: > Leo writes: > ... >> 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, > otherwise it'd be easy to have calc-quit not do anything with the undo > list. > >> Incidentally, I wonder whether making the two windows dedicated is more >> desirable than current behaviour. > > Maybe, but I wonder if this would cause problems in some situations. > How would full-calc be affected, for instance. > > Jay It seems this bug can be closed. -- Leo's Emacs uptime: 1 day, 15 hours, 20 minutes, 27 seconds