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From: "Rodolfo Medina" <romeomedina@libero.it>
Newsgroups: gmane.emacs.help
Subject: Re: An interactive command definiftion
Date: Wed, 11 Aug 2004 17:35:52 +0200
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>This provides
>the freedom necessary to achieve what you want:
>
>(defun manage-my-weather (input-char)
>  (interactive
>   (let ((prompt (format "my-weather is now: %s.  Press `c' to change."
>			 my-weather)))
>     (list (read-char prompt))))
>  (when (eq input-char ?c)
>    (setq my-weather
>	  (intern (read-from-minibuffer "New weather: ")))))
>
>
>
>   Oliver

I tried it, and it seems to work perfectly! Thanks indeed.
									Rodolfo