From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Phil Sainty Newsgroups: gmane.emacs.bugs Subject: bug#10047: Looking for help debugging an undo issue Date: Fri, 02 Dec 2011 03:16:50 +1300 Message-ID: <4ED78C52.4020603@orcon.net.nz> References: <4EC0F2F3.5000607@orcon.net.nz> <4ED36734.5060608@orcon.net.nz> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1322749093 31639 80.91.229.12 (1 Dec 2011 14:18:13 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 1 Dec 2011 14:18:13 +0000 (UTC) Cc: 10047@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 01 15:18:08 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RW7Sd-0007XD-BV for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Dec 2011 15:18:03 +0100 Original-Received: from localhost ([::1]:52211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW7Sc-0000vI-RS for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Dec 2011 09:18:02 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:33869) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW7SZ-0000ud-Ae for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 09:18:00 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RW7ST-00030X-CO for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 09:17:59 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:47059) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RW7ST-00030O-5k for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 09:17:53 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RW7Sb-0001tQ-M0 for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2011 09:18:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Phil Sainty Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Dec 2011 14:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10047 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10047-submit@debbugs.gnu.org id=B10047.13227490367222 (code B ref 10047); Thu, 01 Dec 2011 14:18:01 +0000 Original-Received: (at 10047) by debbugs.gnu.org; 1 Dec 2011 14:17:16 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RW7Rr-0001sR-Ec for submit@debbugs.gnu.org; Thu, 01 Dec 2011 09:17:15 -0500 Original-Received: from loadbalancer1.orcon.net.nz ([219.88.242.3] helo=mx1.orcon.net.nz) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RW7Ro-0001sF-EA for 10047@debbugs.gnu.org; Thu, 01 Dec 2011 09:17:14 -0500 Original-Received: from Debian-exim by mx1.orcon.net.nz with local (Exim 4.69) (envelope-from ) id 1RW7Rx-0000rP-15 for 10047@debbugs.gnu.org; Fri, 02 Dec 2011 03:17:21 +1300 Original-Received: from [60.234.157.21] (helo=[192.168.1.2]) by mx1.orcon.net.nz with esmtpa (Exim 4.69) (envelope-from ) id 1RW7Rw-0000qN-Kk; Fri, 02 Dec 2011 03:17:20 +1300 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20111105 Thunderbird/8.0 In-Reply-To: X-DSPAM-Check: by mx1.orcon.net.nz on Fri, 02 Dec 2011 03:17:20 +1300 X-DSPAM-Result: Spam X-DSPAM-Processed: Fri Dec 2 03:17:21 2011 X-DSPAM-Confidence: 0.4971 X-DSPAM-Probability: 0.9796 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 01 Dec 2011 09:18:01 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:54540 Archived-At: Thank you Stefan, that's very much appreciated. (Will I find that code in the new 24.0.92 pretest, or do I need to build from version control?) > 4- at the beginning of GC, the log is considered too long (because of > those spurious entries) and gets truncated. > 5- at the end of GC, those spurious entries are removed from the log > because those markers were temporary and only the undo-log still had > references to them. [...] > - swap 4 and 5 (actually it was swapped in Emacs-22, so that would > revert to the behavior of Emacs-21). I see what you mean, and yet one presumes that change was made for a reason. Is there any indication of why that change was made? On a related note to all of this, I found what seems like a good question, enquiring about how to determine safe/sensible values for increasing the undo limits, but it never got an answer. It would be nice to see that answered: http://lists.gnu.org/archive/html/help-gnu-emacs/2011-02/msg00112.html