From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#5405: select-frame losing current-buffer Date: Sun, 17 Jan 2010 15:02:51 -0500 Message-ID: <87my0c7b4k.fsf@stupidchicken.com> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1263758982 22914 80.91.229.12 (17 Jan 2010 20:09:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 17 Jan 2010 20:09:42 +0000 (UTC) Cc: 5405@debbugs.gnu.org To: Uday S Reddy Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 17 21:09:34 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NWbRE-0004YO-Qc for geb-bug-gnu-emacs@m.gmane.org; Sun, 17 Jan 2010 21:09:34 +0100 Original-Received: from localhost ([127.0.0.1]:38015 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NWbRF-0002VB-A1 for geb-bug-gnu-emacs@m.gmane.org; Sun, 17 Jan 2010 15:09:33 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NWbR7-0002UD-O6 for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2010 15:09:25 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NWbR2-0002S4-IM for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2010 15:09:24 -0500 Original-Received: from [199.232.76.173] (port=33318 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NWbR2-0002S1-6C for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2010 15:09:20 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55956) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NWbR1-0007E4-OW for bug-gnu-emacs@gnu.org; Sun, 17 Jan 2010 15:09:19 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1NWbLu-00049R-4T; Sun, 17 Jan 2010 15:04:02 -0500 X-Loop: bug-gnu-emacs@gnu.org Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 17 Jan 2010 20:04:02 +0000 Resent-Message-ID: Resent-Sender: bug-gnu-emacs@gnu.org X-Emacs-PR-Message: followup 5405 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 5405-submit@debbugs.gnu.org id=B5405.126375858315921 (code B ref 5405); Sun, 17 Jan 2010 20:04:02 +0000 Original-Received: (at 5405) by debbugs.gnu.org; 17 Jan 2010 20:03:03 +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 1NWbKw-00048k-0h for submit@debbugs.gnu.org; Sun, 17 Jan 2010 15:03:02 -0500 Original-Received: from pantheon-po39.its.yale.edu ([130.132.50.100]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NWbKu-00048R-AM for 5405@debbugs.gnu.org; Sun, 17 Jan 2010 15:03:00 -0500 Original-Received: from furry (dhcp128036014123.central.yale.edu [128.36.14.123]) (authenticated bits=0) by pantheon-po39.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id o0HK2pwK025258 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 17 Jan 2010 15:02:51 -0500 Original-Received: by furry (Postfix, from userid 1000) id 1A36FC05D; Sun, 17 Jan 2010 13:02:51 -0700 (MST) In-Reply-To: (Uday S. Reddy's message of "Sun, 17 Jan 2010 18:26:34 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.91 (gnu/linux) X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) X-Spam-Score: -2.6 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list X-Spam-Score: -2.6 (--) Resent-Date: Sun, 17 Jan 2010 15:04:02 -0500 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:34427 Archived-At: Uday S Reddy writes: > The documentation of make-frame says that current-buffer continues to > selected in the new frame. The documentation of select-frame doesn't > say anything about the matter, but one would normally expect that the > current-buffer should still remain the same. However, the following > example shows that select-frame loses the current-buffer: > > (defun testing () > (interactive) > (let ((new-buffer (get-buffer-create " testing"))) > (set-buffer new-buffer) > (select-frame (make-frame nil)) > (if (not (equal (current-buffer) new-buffer)) > (debug)))) > > I presume that the space at the beginning of the buffer name is > a partial cause of this misbehaviour. This is deliberate behavior dating back about a decade (frame.c:392). Buffers whose names start with a space are considered "hidden buffers" that should not ordinarily be displayed (e.g. they don't show up in M-x list-buffers either). I'll update the documentation to mention this.