From: Tom Link <micathom@...>
Date: 2009-02-23T23:43:12+09:00
Subject: Re: encoding problem with tr() and hash keys

> Just built 1.9.1p0, and there's no difference here (all 'true'
> responses)

AFAIK it was fixed here:
http://groups.google.com/group/ruby-core-google/browse_frm/thread/504ea46905c1c6af