From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#13594: Planning Emacs-24.4 Date: Mon, 18 Nov 2013 14:19:22 +0100 Message-ID: <528A13DA.1030309@gmx.at> References: <5289F003.5040708@gmx.at> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1384780821 19128 80.91.229.3 (18 Nov 2013 13:20:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 Nov 2013 13:20:21 +0000 (UTC) Cc: 13594@debbugs.gnu.org To: Leo Liu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 18 14:20:25 2013 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 1ViOka-0002t4-7F for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 Nov 2013 14:20:24 +0100 Original-Received: from localhost ([::1]:43222 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ViOkZ-00026v-IE for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 Nov 2013 08:20:23 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34547) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ViOkM-00024g-2F for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2013 08:20:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ViOkE-0006Kv-OH for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2013 08:20:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45628) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ViOkE-0006K2-KT for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2013 08:20:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1ViOkD-00083O-U7 for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2013 08:20:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 Nov 2013 13:20:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13594 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 13594-submit@debbugs.gnu.org id=B13594.138478077930917 (code B ref 13594); Mon, 18 Nov 2013 13:20:01 +0000 Original-Received: (at 13594) by debbugs.gnu.org; 18 Nov 2013 13:19:39 +0000 Original-Received: from localhost ([127.0.0.1]:59647 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ViOjq-00082Z-U2 for submit@debbugs.gnu.org; Mon, 18 Nov 2013 08:19:39 -0500 Original-Received: from mout.gmx.net ([212.227.17.20]:56198) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ViOjo-00082M-6c for 13594@debbugs.gnu.org; Mon, 18 Nov 2013 08:19:37 -0500 Original-Received: from [62.47.55.138] ([62.47.55.138]) by mail.gmx.com (mrgmx103) with ESMTPA (Nemesis) id 0Mbx62-1W0cLP3A50-00JJPn for <13594@debbugs.gnu.org>; Mon, 18 Nov 2013 14:19:29 +0100 In-Reply-To: X-Provags-ID: V03:K0:Pym5oaKhuVfRFInNh3ChvDAnmEsMr1ctm39ynjEeXILj4j5aec5 2CmdjSCqq10GdzvogaC1fVhx3ZVRzIfQZ+JT8Y+OK7CtLhhsCkFz4bhsOr7pj9WBU70GaD2 obaSvYzjiCDxoNSnlQK4KOHyUc3d/enhYb1nIev4DG09J5Op0yTmz08CfRR9Gp01V/+iH5+ 9OpUBScgyUneiB3X5FUMw== 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:80730 Archived-At: > t was just a value to stop display-buffer searching down the action > list. this seems enough to manage display-buffer via > display-buffer-alist or the like. It is not. Returning t when calling `display-buffer' without may-fail set doesn't improve anything. And if my-fail is set, we can return nil because the caller is prepared for it. And you still don't handle the case where a user doesn't want to see the buffer in the first place. So please (1) Provide two actions designators may-fail and do-fail, say. (2) When may-fail is set and no window is found, return nil. When may-fail is not set, return the most suitable window. (3) When may-fail and do-fail are both set, break the (while (and functions (not window)) (setq window (funcall (car functions) buffer alist) functions (cdr functions))) loop in `display-buffer' (for example, by having the function called return 'fail) and return nil. martin