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#10773: set-variable can't change values of user options Date: Thu, 09 Feb 2012 13:28:16 -0500 Message-ID: <5w1uq3lv3z.fsf@fencepost.gnu.org> References: <87r4y4fik0.fsf@mail.jurta.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1328812145 31163 80.91.229.3 (9 Feb 2012 18:29:05 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 9 Feb 2012 18:29:05 +0000 (UTC) Cc: 10773@debbugs.gnu.org To: Juri Linkov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Feb 09 19:29:04 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RvYjw-00007K-4f for geb-bug-gnu-emacs@m.gmane.org; Thu, 09 Feb 2012 19:29:04 +0100 Original-Received: from localhost ([::1]:50571 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RvYjv-0004qa-LY for geb-bug-gnu-emacs@m.gmane.org; Thu, 09 Feb 2012 13:29:03 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:53828) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RvYjp-0004kl-U4 for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2012 13:29:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RvYjl-0002Zy-UO for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2012 13:28:57 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:58612) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RvYjl-0002Zu-Sx for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2012 13:28:53 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1RvYks-0005r6-97 for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2012 13:30:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 09 Feb 2012 18:30:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10773 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10773-submit@debbugs.gnu.org id=B10773.132881216822434 (code B ref 10773); Thu, 09 Feb 2012 18:30:02 +0000 Original-Received: (at 10773) by debbugs.gnu.org; 9 Feb 2012 18:29:28 +0000 Original-Received: from localhost ([127.0.0.1]:34002 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RvYkJ-0005pn-W8 for submit@debbugs.gnu.org; Thu, 09 Feb 2012 13:29:28 -0500 Original-Received: from fencepost.gnu.org ([140.186.70.10]:54056 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RvYkH-0005pg-Q3 for 10773@debbugs.gnu.org; Thu, 09 Feb 2012 13:29:26 -0500 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1RvYjA-0006e6-Cc; Thu, 09 Feb 2012 13:28:16 -0500 X-Spook: David John Oates Ron Brown Kosovo terrorist InfoSec X-Ran: ;gaM(F3^i:7h7F9w!we%6m+oIJxeVGID!,aTZBoX=y7Gm\.`>t{xk (Juri Linkov's message of "Thu, 09 Feb 2012 11:43:43 +0200") User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) 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:56724 Archived-At: Juri Linkov wrote: > Why users are allowed to change the value of `outline-mode-hook', > but not `outline-minor-mode-hook'? The former is defined with (defvar ... "*..."). The latter is not defined anywhere, but as define-derived-mode says about hooks and has been covered several times: No problems result if this variable is not bound. `add-hook' automatically binds it. (This is true for all hook variables.) I would says it's not very useful to pass a hook to set-variable anyway, since you need to type a lisp expression, and probably should use an explicit add-hook statement.