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Re: No calc in pretest?

From: Juanma Barranquero
Subject: Re: No calc in pretest?
Date: Thu, 04 Jul 2002 08:08:40 +0200

On 02 Jul 2002 22:46:36 +0100, Jason Rumney <address@hidden> wrote:

> Even better, test for features, not for version numbers.

Sure, but what when you need to detect a change in some interface? (For
example, that a function now admits a few more arguments). There's no
feature there.

Sometimes you just need to know the release, or do fancy tricks like

(require 'cl)
(unless (ignore-errors (whatever-func 1 2 3) t)
  (whatever-func 1 2))


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