From: Dave Burt <dave@...>
Date: 2005-12-03T22:47:35+09:00
Subject: Re: #append_features deprecated?

Trans wrote:
> Somone else mentioned this. Is it true?

This says Module#included " should be used in preference to 
Module.append_features if your code wants to perform some action when a 
module is included in another."

http://www.ruby-doc.org/core/classes/Module.html#M000704

Cheers,
Dave