From: Roger Pack <rogerpack2005@...>
Date: 2008-09-05T03:04:04+09:00
Subject: Re: How can I prevent include one module multi-times?

> Ah, I think I misunderstood the question. I wrote this a while ago to 
> find
> all the descendants of a module:

ah--if the problem is determining if a descendant exists, you could 
write an included(instance) method within the included Module to track.
Cheers.
-=R
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