From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nick Roberts Newsgroups: gmane.emacs.devel Subject: Incompatible change without "warning" Date: Wed, 20 Apr 2005 08:53:14 +1200 Message-ID: <16997.28602.876638.54728@farnswood.snap.net.nz> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1113943776 2849 80.91.229.2 (19 Apr 2005 20:49:36 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 19 Apr 2005 20:49:36 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 19 22:49:34 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DNzeo-0001mm-K5 for ged-emacs-devel@m.gmane.org; Tue, 19 Apr 2005 22:49:19 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DNzjC-0002br-0d for ged-emacs-devel@m.gmane.org; Tue, 19 Apr 2005 16:53:50 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DNzj2-0002b8-Hy for emacs-devel@gnu.org; Tue, 19 Apr 2005 16:53:40 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DNzj0-0002Zt-FD for emacs-devel@gnu.org; Tue, 19 Apr 2005 16:53:40 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DNzj0-0002Ek-Bx for emacs-devel@gnu.org; Tue, 19 Apr 2005 16:53:38 -0400 Original-Received: from [202.37.101.8] (helo=viper.snap.net.nz) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DNzk4-0003Fe-MR for emacs-devel@gnu.org; Tue, 19 Apr 2005 16:54:45 -0400 Original-Received: from farnswood.snap.net.nz (p92-tnt1.snap.net.nz [202.124.110.92]) by viper.snap.net.nz (Postfix) with ESMTP id 6A76C4ADD4A; Wed, 20 Apr 2005 08:52:35 +1200 (NZST) Original-Received: by farnswood.snap.net.nz (Postfix, from userid 501) id D3D9062A99; Tue, 19 Apr 2005 21:53:15 +0100 (BST) Original-To: Frank Schmitt In-Reply-To: X-Mailer: VM 7.19 under Emacs 22.0.50.15 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:36121 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:36121 > 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") Nick