From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#17247: 24.4.50; end-of-defun bug in elisp Date: Tue, 20 May 2014 15:12:18 +0300 Message-ID: <537B46A2.1060705@yandex.ru> References: <53576985.9090305@easy-emacs.de> <87sio5ksio.fsf@yandex.ru> <537B0B49.6000505@easy-emacs.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1400588012 1711 80.91.229.3 (20 May 2014 12:13:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 20 May 2014 12:13:32 +0000 (UTC) Cc: 17247@debbugs.gnu.org To: Andreas =?UTF-8?Q?R=C3=B6hler?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue May 20 14:13:25 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 1Wmiv4-0005cV-LI for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 May 2014 14:13:22 +0200 Original-Received: from localhost ([::1]:52947 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wmiv3-0006mw-F6 for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 May 2014 08:13:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59433) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wmiut-0006jm-As for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 08:13:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wmiuk-0002lV-Ms for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 08:13:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54986) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wmiuk-0002lH-JN for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 08:13:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Wmiuj-00075F-Tp for bug-gnu-emacs@gnu.org; Tue, 20 May 2014 08:13:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Dmitry Gutov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 20 May 2014 12:13:01 +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=B17247.140058795427193 (code B ref 17247); Tue, 20 May 2014 12:13:01 +0000 Original-Received: (at 17247) by debbugs.gnu.org; 20 May 2014 12:12:34 +0000 Original-Received: from localhost ([127.0.0.1]:53863 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmiuH-00074W-SI for submit@debbugs.gnu.org; Tue, 20 May 2014 08:12:34 -0400 Original-Received: from mail-we0-f178.google.com ([74.125.82.178]:59493) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmiuE-00074H-7k for 17247@debbugs.gnu.org; Tue, 20 May 2014 08:12:31 -0400 Original-Received: by mail-we0-f178.google.com with SMTP id u56so417616wes.9 for <17247@debbugs.gnu.org>; Tue, 20 May 2014 05:12:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=sKu7ORwVRGTeHsaFY5yglnlCO5zFqQIISfbsiUSzU3I=; b=e0cK3nA9BygoN+YNWZPayFhms21bVKaFQABdDk7Y4y31ttbkOZ4w/uShZmQfhvd6F7 QLkGGlIrv6VDU2eIsM2cTf+q16/JY7JtEeL65izcPlOm1LhAWr5DgNSOefoAmfHjLUS4 +OGNCixQdVTjP9KRVZGNNrK95cReRCi/xmrjzw1w44QN2DxF7ZEuBtpED8aHUraptg/A D5MzU5cscpRlb+bgJXT/y5AraMUfn46kJ7r8E8z3RwWD0vPX9p7eUny5PAps58uQuBv6 mMoWKqjcWxAzNGxAF7ajxfD5qW9gqyjNME6+c4UDpCsDPlh1Ij2Wo0NjqYEnO4AwgkUR EhMw== X-Received: by 10.180.198.43 with SMTP id iz11mr3762463wic.46.1400587944286; Tue, 20 May 2014 05:12:24 -0700 (PDT) Original-Received: from [192.168.10.2] (62-151-59.netrun.cytanet.com.cy. [62.228.151.59]) by mx.google.com with ESMTPSA id s9sm20456224wix.13.2014.05.20.05.12.21 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 20 May 2014 05:12:23 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: <537B0B49.6000505@easy-emacs.de> 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:89272 Archived-At: On 20.05.2014 10:59, Andreas Röhler wrote: > AFAIU the purpose is to make sure the beginning of current defun is > fetched, not the previous one, i.e. protect for cases, point is at the > beginning of defun. Guess so. So with the proposed change, the point at the beginning of a defun doesn't "belong" to it anymore, but is considered "between defuns" instead. Seems to work fine, at least with the given Elisp example and a couple similar ones, with small differences. > IMHO that end-of-defun section is over-engineered, thus bug-sourcing. > > For example the common design-logic when taking numeric arguments: with > positiv go forward, with negativ backward, resp. negate assumed direction. > > This seems broken internally by (funcall end-of-defun-function), which > doesn't care for arguments. The additional logic seems to be there to differentiate between two cases: we are inside a defun (beginning-of-defun followed by end-of-defun will move point forward), we are between defuns (beginning-of-defun followed by end-of-defun will move point backward), and handle them appropriately.