From: Hans Mackowiak <lists@...>
Date: 2013-02-28T21:55:36+09:00
Subject: Re: Discussion on Ruby's `alias`

how should ruby know that it should automatic old_show inside show?
how should it know if it should be called before or after your code or 
between? what about the parameters?

that all questions ruby cant answer for you, so you need to call it 
yourself when using alias

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