From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Incompatible change without "warning" Date: Tue, 19 Apr 2005 17:25:33 -0400 Message-ID: References: <16997.28602.876638.54728@farnswood.snap.net.nz> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1113945725 24798 80.91.229.2 (19 Apr 2005 21:22:05 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 19 Apr 2005 21:22:05 +0000 (UTC) Cc: Frank Schmitt , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 19 23:22:01 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DO0AP-0006RK-Mi for ged-emacs-devel@m.gmane.org; Tue, 19 Apr 2005 23:21:58 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DO0En-0001Yu-Bd for ged-emacs-devel@m.gmane.org; Tue, 19 Apr 2005 17:26:29 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DO0Ee-0001Yp-OD for emacs-devel@gnu.org; Tue, 19 Apr 2005 17:26:20 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DO0Ed-0001YA-4f for emacs-devel@gnu.org; Tue, 19 Apr 2005 17:26:20 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DO0Ed-0001Ds-0c for emacs-devel@gnu.org; Tue, 19 Apr 2005 17:26:19 -0400 Original-Received: from [132.204.24.67] (helo=mercure.iro.umontreal.ca) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DO0Fw-0005FK-Gl for emacs-devel@gnu.org; Tue, 19 Apr 2005 17:27:40 -0400 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id A478834001C; Tue, 19 Apr 2005 17:25:37 -0400 (EDT) Original-Received: from asado.iro.umontreal.ca (asado.iro.umontreal.ca [132.204.24.84]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id F20BF4AC24B; Tue, 19 Apr 2005 17:25:33 -0400 (EDT) Original-Received: by asado.iro.umontreal.ca (Postfix, from userid 20848) id BE9EDE6BD4; Tue, 19 Apr 2005 17:25:33 -0400 (EDT) Original-To: Nick Roberts In-Reply-To: <16997.28602.876638.54728@farnswood.snap.net.nz> (Nick Roberts's message of "Wed, 20 Apr 2005 08:53:14 +1200") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-4.835, requis 5, autolearn=not spam, AWL 0.07, BAYES_00 -4.90) X-MailScanner-From: monnier@iro.umontreal.ca X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:36123 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:36123 >> I see that on 2005-4-18 the tooltip-use-echo-area was renamed to >> tooltip-gud-echo-area. This change breaks existing code >> (semantic). Isn't it common practise to first deprecate a variable >> before deleting it? And shouldn't this make it into NEWS? > I've replaced it as an alias. As it was obscure and partly broken I thought > that I could sneak the change through unnoticed. > To emacs-devel: > How about adding an optional argument to defvaralias so that: > (defvaralias 'tooltip-use-echo-area 'tooltip-gud-echo-area) > (make-obsolete-variable 'tooltip-use-echo-area 'tooltip-gud-echo-area "22.1") > can be written as: > (defvaralias 'tooltip-use-echo-area 'tooltip-gud-echo-area nil "22.1") I'd prefer to define the same `define-obsolete-variable-alias' macro as used in XEmacs. Stefan