From: Phlip <phlip2005@...>
Date: 2008-08-25T00:00:54+09:00
Subject: Re: defining sort <=> for a class

>   .sort_by{|r| r.name.downcase }  #  ascibetic order by name

Actually, sorting by a downcase is not strictly an asciibetic sort. It's a cheap 
form of "collation", where an expensive collation uses your locale to decipher 
its dictionary order rules. Example: Packing McDonalds in with MacDonalds...