From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Customize Rogue Date: Wed, 12 Mar 2003 15:59:52 -0500 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: <20030309185419.2506.LEKTU@terra.es> <200303091825.MAA13028@eel.dms.auburn.edu> <200303111907.h2BJ7fI8012285@rum.cs.yale.edu> Reply-To: rms@gnu.org NNTP-Posting-Host: main.gmane.org X-Trace: main.gmane.org 1047503112 31906 80.91.224.249 (12 Mar 2003 21:05:12 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 12 Mar 2003 21:05:12 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Wed Mar 12 22:05:07 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 18tDOd-0008E4-00 for ; Wed, 12 Mar 2003 22:04:19 +0100 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 18tDm2-0003Ct-00 for ; Wed, 12 Mar 2003 22:28:30 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10.13) id 18tDOE-0003RB-04 for emacs-devel@quimby.gnus.org; Wed, 12 Mar 2003 16:03:54 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.10.13) id 18tDO2-0003IJ-00 for emacs-devel@gnu.org; Wed, 12 Mar 2003 16:03:42 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.10.13) id 18tDNI-0002fh-00 for emacs-devel@gnu.org; Wed, 12 Mar 2003 16:03:09 -0500 Original-Received: from fencepost.gnu.org ([199.232.76.164]) by monty-python.gnu.org with esmtp (Exim 4.10.13) id 18tDKK-0001B3-00 for emacs-devel@gnu.org; Wed, 12 Mar 2003 15:59:52 -0500 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.10) id 18tDKK-0000Ku-00; Wed, 12 Mar 2003 15:59:52 -0500 Original-To: "Stefan Monnier" In-reply-to: <200303111907.h2BJ7fI8012285@rum.cs.yale.edu> (monnier+gnu/emacs@rum.cs.yale.edu) Original-cc: lektu@terra.es Original-cc: teirllm@dms.auburn.edu X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1b5 Precedence: list List-Id: Emacs development discussions. List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:12318 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:12318 PS: How about we add `write-watchers' to variables ? These would be hooks that get called when a specific variable is `setq'd. It'd have "zero performance impact" if we put it in the "setq-ing a read-only variable" error handling path. I don't like the idea of changing the semantics of Lisp variables in this way.