From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#22348: 24.5; Mode hooks doesn't run as expected if the major mode of a new buffer is determined by the default major mode Date: Mon, 11 Jan 2016 17:27:10 -0500 Message-ID: <3f8u3vhhvl.fsf@fencepost.gnu.org> References: <87wprg2snf.fsf@linux-qg7d.fritz.box> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1452551299 4664 80.91.229.3 (11 Jan 2016 22:28:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 11 Jan 2016 22:28:19 +0000 (UTC) Cc: 22348@debbugs.gnu.org To: Rolf Ade Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 11 23:28:09 2016 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 1aIkwZ-0002B1-IO for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Jan 2016 23:28:07 +0100 Original-Received: from localhost ([::1]:57076 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIkwY-0001an-OE for geb-bug-gnu-emacs@m.gmane.org; Mon, 11 Jan 2016 17:28:06 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40881) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIkwV-0001aa-Gf for bug-gnu-emacs@gnu.org; Mon, 11 Jan 2016 17:28:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aIkwU-0002Ls-Ma for bug-gnu-emacs@gnu.org; Mon, 11 Jan 2016 17:28:03 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:58645) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIkwU-0002Lo-JJ for bug-gnu-emacs@gnu.org; Mon, 11 Jan 2016 17:28:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aIkwU-0007RK-Cs for bug-gnu-emacs@gnu.org; Mon, 11 Jan 2016 17:28:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 11 Jan 2016 22:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22348 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22348-submit@debbugs.gnu.org id=B22348.145255124528557 (code B ref 22348); Mon, 11 Jan 2016 22:28:02 +0000 Original-Received: (at 22348) by debbugs.gnu.org; 11 Jan 2016 22:27:25 +0000 Original-Received: from localhost ([127.0.0.1]:46865 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aIkvt-0007QX-7S for submit@debbugs.gnu.org; Mon, 11 Jan 2016 17:27:25 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:49708) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aIkvr-0007QL-R4 for 22348@debbugs.gnu.org; Mon, 11 Jan 2016 17:27:24 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aIkvl-0002BJ-Sa for 22348@debbugs.gnu.org; Mon, 11 Jan 2016 17:27:18 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51466) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIkvf-0002AB-Ie; Mon, 11 Jan 2016 17:27:11 -0500 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1aIkve-0006aY-JC; Mon, 11 Jan 2016 17:27:11 -0500 X-Spook: Bomb squad World Health Organization CIA Abu Sayyaf Bomb X-Ran: zo~3\/r$nK8?pD~}@o0gNtYQ!1=XdsJ,GGtS>6eWMc/[g9lNip5*&$U}p_Q8[`M}SLgE@o X-Hue: white X-Attribution: GM In-Reply-To: <87wprg2snf.fsf@linux-qg7d.fritz.box> (Rolf Ade's message of "Mon, 11 Jan 2016 13:43:32 +0100") User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:111530 Archived-At: Gosh, that's rather a long bug report. :) If you do: ./src/emacs -Q --eval "(progn (setq-default major-mode 'text-mode) (add-hook 'text-mode-hook (lambda () (message \"FOO\") (sit-for 3))))" /tmp/foo.bar you'll see it works fine. This suggest that the issue is specific to point-motion (your example used end-of-buffer). set-auto-mode calls set-buffer-major-mode if nothing else specifies a mode. set-buffer-major-mode can operate on buffers other than the current one, and uses save-excursion to preserve buffer. But set-auto-mode calls it to operate on current-buffer. Thus save-excursion undoes your hook's point changes. So that's the real issue here.