From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#16377: Undo Tree regression: (error "Unrecognized entry in undo list undo-tree-canary") Date: Wed, 22 Jan 2014 13:56:12 -0500 Message-ID: References: <20140122170518.GA19716@c3po> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1390417037 17300 80.91.229.3 (22 Jan 2014 18:57:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Jan 2014 18:57:17 +0000 (UTC) Cc: 16377@debbugs.gnu.org, gundaetiapo@gmail.com To: Toby Cubitt Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 22 19:57:23 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1W62zI-00079F-1O for geb-bug-gnu-emacs@m.gmane.org; Wed, 22 Jan 2014 19:57:20 +0100 Original-Received: from localhost ([::1]:37067 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62zH-0001ei-NM for geb-bug-gnu-emacs@m.gmane.org; Wed, 22 Jan 2014 13:57:19 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62z8-0001dv-0l for bug-gnu-emacs@gnu.org; Wed, 22 Jan 2014 13:57:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W62z0-0006u0-Io for bug-gnu-emacs@gnu.org; Wed, 22 Jan 2014 13:57:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46911) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W62z0-0006tw-FS for bug-gnu-emacs@gnu.org; Wed, 22 Jan 2014 13:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1W62z0-00007m-46 for bug-gnu-emacs@gnu.org; Wed, 22 Jan 2014 13:57:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 22 Jan 2014 18:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16377 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16377-submit@debbugs.gnu.org id=B16377.1390416979419 (code B ref 16377); Wed, 22 Jan 2014 18:57:02 +0000 Original-Received: (at 16377) by debbugs.gnu.org; 22 Jan 2014 18:56:19 +0000 Original-Received: from localhost ([127.0.0.1]:60930 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W62yJ-00006h-Co for submit@debbugs.gnu.org; Wed, 22 Jan 2014 13:56:19 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:37464) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W62yD-00006V-UY for 16377@debbugs.gnu.org; Wed, 22 Jan 2014 13:56:16 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFG4rxHA/2dsb2JhbABEvw4Xc4IeAQEEAVYjBQsLNBIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IPAS-Result: Av4EABK/CFG4rxHA/2dsb2JhbABEvw4Xc4IeAQEEAVYjBQsLNBIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="45620445" Original-Received: from 184-175-17-192.dsl.teksavvy.com (HELO pastel.home) ([184.175.17.192]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 22 Jan 2014 13:56:12 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id B4FFB60323; Wed, 22 Jan 2014 13:56:12 -0500 (EST) In-Reply-To: <20140122170518.GA19716@c3po> (Toby Cubitt's message of "Wed, 22 Jan 2014 17:05:18 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:83898 Archived-At: > Are there circumstances in which `primitive-undo' doesn't add to > `buffer-undo-list'? Of course: if there are no changes until the next undo boundary, then primitive-undo just doesn't do anything other than pop that undo boundary. And primitive-undo doesn't add any boundary, so it can end up with no change at all to buffer-undo-list. Stefan