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#17247: 24.4.50; end-of-defun bug in elisp Date: Tue, 20 May 2014 14:56:15 -0400 Message-ID: References: <53576985.9090305@easy-emacs.de> <87sio5ksio.fsf@yandex.ru> <537B8395.2000109@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1400612255 31746 80.91.229.3 (20 May 2014 18:57:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 20 May 2014 18:57:35 +0000 (UTC) Cc: 17247@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue May 20 20:57:28 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 1WmpE3-00080u-9x for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 May 2014 20:57:23 +0200 Original-Received: from localhost ([::1]:54996 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmpE3-0007Q0-1v for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 May 2014 14:57:23 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53401) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmpDr-0007Pn-EA for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 14:57:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WmpDi-0003Cm-JW for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 14:57:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55659) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmpDi-0003Ch-G6 for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 14:57:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WmpDh-000073-QQ for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 14:57:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 20 May 2014 18:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17247 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 17247-submit@debbugs.gnu.org id=B17247.1400612202400 (code B ref 17247); Tue, 20 May 2014 18:57:01 +0000 Original-Received: (at 17247) by debbugs.gnu.org; 20 May 2014 18:56:42 +0000 Original-Received: from localhost ([127.0.0.1]:54536 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmpDO-00006O-BW for submit@debbugs.gnu.org; Tue, 20 May 2014 14:56:42 -0400 Original-Received: from mercure.iro.umontreal.ca ([132.204.24.67]:46628) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmpDM-00006G-8d for 17247@debbugs.gnu.org; Tue, 20 May 2014 14:56:40 -0400 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 4C8D124133; Tue, 20 May 2014 14:56:39 -0400 (EDT) Original-Received: from lechon.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id 7FBD61E5B7C; Tue, 20 May 2014 14:56:16 -0400 (EDT) Original-Received: by lechon.iro.umontreal.ca (Postfix, from userid 20848) id 63C22B40F9; Tue, 20 May 2014 14:56:16 -0400 (EDT) In-Reply-To: <537B8395.2000109@yandex.ru> (Dmitry Gutov's message of "Tue, 20 May 2014 19:32:21 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-2.82, requis 5, autolearn=not spam, ALL_TRUSTED -2.82, MC_TSTLAST 0.00) X-DIRO-MailScanner-From: monnier@iro.umontreal.ca 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:89295 Archived-At: >> As Andreas mentioned, the end-of-line is there to make sure >> we "stay put" in case `pos' is already at a beginning of defun. > Is the current bug invalid, then? > If we "stay put" in the current defun (which starts right after point), then > when passed an argument of -1, shouldn't `end-of-defun' go to the end of the > previous defun, which happens to be the same position? In that case, we're both at "beginning of defun" and at "end of defun", so we have conflicting requirements. But I think it's clear that (end-of-defun -1) should move backward if possible, so it's more important to consider that the position is "at end of defun" than "at beginning of defun". IOW, yes, we have a bug. I installed a brute force patch for it, Stefan