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#12766: read-from-minibuffer does not preserve current-buffer Date: Mon, 29 Oct 2012 16:29:29 -0400 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1351542641 6879 80.91.229.3 (29 Oct 2012 20:30:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 29 Oct 2012 20:30:41 +0000 (UTC) To: 12766@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 29 21:30:48 2012 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 1TSvyy-00035S-0f for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 21:30:48 +0100 Original-Received: from localhost ([::1]:49425 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvyp-0007PM-MP for geb-bug-gnu-emacs@m.gmane.org; Mon, 29 Oct 2012 16:30:39 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:49472) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvym-0007PE-4F for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:30:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSvyk-0004NT-Vp for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:30:36 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56535) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvyk-0004NP-SP for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:30:34 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TSw18-0003ya-8R for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:33:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 29 Oct 2012 20:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 12766 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.135154272415218 (code B ref -1); Mon, 29 Oct 2012 20:33:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 29 Oct 2012 20:32:04 +0000 Original-Received: from localhost ([127.0.0.1]:38553 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSw0C-0003xP-LT for submit@debbugs.gnu.org; Mon, 29 Oct 2012 16:32:04 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:42401) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TSw0A-0003x7-Fs for submit@debbugs.gnu.org; Mon, 29 Oct 2012 16:32:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSvxl-0003wA-Oe for submit@debbugs.gnu.org; Mon, 29 Oct 2012 16:29:34 -0400 Original-Received: from lists.gnu.org ([208.118.235.17]:58999) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvxl-0003w6-LO for submit@debbugs.gnu.org; Mon, 29 Oct 2012 16:29:33 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:37383) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvxk-0007Im-TC for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:29:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TSvxk-0003vm-2T for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:29:32 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:43374) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TSvxj-0003vi-NJ for bug-gnu-emacs@gnu.org; Mon, 29 Oct 2012 16:29:31 -0400 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id q9TKTTcb013976 for ; Mon, 29 Oct 2012 16:29:29 -0400 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 960E0B4278; Mon, 29 Oct 2012 16:29:29 -0400 (EDT) X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.2 X-NAI-Spam-Rules: 2 Rules triggered GEN_SPAM_FEATRE=0.2, RV4386=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4386> : streams <847905> : uri <1255288> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:66212 Archived-At: Package: Emacs Version: 24.2.50 % src/emacs -Q --eval "(setq initial-frame-alist '((minibuffer . nil)))" M-: (with-temp-buffer (list (read-string "toto: ") (current-buffer))) RET In Emacs 24.2 this always shows the current-buffer to be the temp buffer (which is a killed buffer by the time M-: prints its result). But in Emacs trunk, the result depends on whether you issue the M-: from the normal frame (where it works right) or from the special minibuffer-only frame, where current-buffer after read-string is *minibuf-0*! This is a serious problem, which introduces subtle bugs that can be pretty difficult to track down. Stefan