From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Miles Bader Newsgroups: gmane.emacs.devel Subject: Re: add-hook Date: 11 Nov 2003 11:26:33 +0900 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: Reply-To: Miles Bader NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1068517846 436 80.91.224.253 (11 Nov 2003 02:30:46 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 11 Nov 2003 02:30:46 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Tue Nov 11 03:30:43 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1AJOIl-0005XG-00 for ; Tue, 11 Nov 2003 03:30:43 +0100 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.35 #1 (Debian)) id 1AJOIl-0003sV-00 for ; Tue, 11 Nov 2003 03:30:43 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1AJPDV-00020G-55 for emacs-devel@quimby.gnus.org; Mon, 10 Nov 2003 22:29:21 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.24) id 1AJPD9-0001wx-Bj for emacs-devel@gnu.org; Mon, 10 Nov 2003 22:28:59 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.24) id 1AJPCU-0001Ky-0f for emacs-devel@gnu.org; Mon, 10 Nov 2003 22:28:49 -0500 Original-Received: from [210.143.35.52] (helo=TYO202.gate.nec.co.jp) by monty-python.gnu.org with esmtp (Exim 4.24) id 1AJPCT-0001Jv-A1; Mon, 10 Nov 2003 22:28:17 -0500 Original-Received: from mailgate4.nec.co.jp (mailgate54.nec.co.jp [10.7.69.193]) by TYO202.gate.nec.co.jp (8.11.7/3.7W01080315) with ESMTP id hAB2Qgl14498; Tue, 11 Nov 2003 11:26:43 +0900 (JST) Original-Received: (from root@localhost) by mailgate4.nec.co.jp (8.11.7/3.7W-MAILGATE-NEC) id hAB2Qgo14310; Tue, 11 Nov 2003 11:26:42 +0900 (JST) Original-Received: from edtmg03.lsi.nec.co.jp ([10.26.16.203]) by mailsv.nec.co.jp (8.11.7/3.7W-MAILSV-NEC) with ESMTP id hAB2Qf200093; Tue, 11 Nov 2003 11:26:41 +0900 (JST) Original-Received: from mcsss2.ucom.lsi.nec.co.jp (localhost [127.0.0.1]) by edtmg03.lsi.nec.co.jp (8.9.3p2+3.2W/3.7W_EDC_Ver.1.0) with ESMTP id LAA10148; Tue, 11 Nov 2003 11:26:39 +0900 (JST) Original-Received: from mcspd15.ucom.lsi.nec.co.jp (mcspd15 [10.30.114.174]) by mcsss2.ucom.lsi.nec.co.jp (8.12.10/8.12.8/EDcg v2.01-mc/1046780839) with ESMTP id hAB2QY7Q006366; Tue, 11 Nov 2003 11:26:34 +0900 (JST) Original-Received: by mcspd15.ucom.lsi.nec.co.jp (Postfix, from userid 31295) id EEEC537DA; Tue, 11 Nov 2003 11:26:33 +0900 (JST) Original-To: Stefan Monnier System-Type: i686-pc-linux-gnu Blat: Foop In-Reply-To: Original-Lines: 18 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.2 Precedence: list List-Id: Emacs development discussions. List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:17763 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:17763 Stefan Monnier writes: > or you can change the comment to make things more clear How about: ;; Setting `local' to t ensures that the var will be modified with `set' ;; whereas a setting of nil implies that the hook will be modified with ;; `set-default', so the safe setting is t. The only case where we ;; want to use the unsafe setting of nil is when we indeed want to change ;; the global part of the hook and there is both a local and a global part ;; (i.e when local == nil and when there's a t in the hook's content). :-) -Miles -- Next to fried food, the South has suffered most from oratory. -- Walter Hines Page