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From: "Eli Zaretskii" <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Incompatible change without "warning"
Date: Tue, 19 Apr 2005 22:09:59 +0300
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> From: Frank Schmitt <ich@frank-schmitt.net>
> Date: Tue, 19 Apr 2005 16:48:45 +0200
> 
> 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?

I think we should introduce a defvaralias, so as not to break existing
code.

> And shouldn't this make it into NEWS?

Definitely.