From: Phlip <phlip2005@...>
Date: 2009-05-18T22:50:04+09:00
Subject: Re: permute each element of a ragged array?

> Why does your test not show %w{ android } ? Is the last set the only
> one that can be nil?

Good point: I should not have given up around 4.

(But note that code which passes the test as written should easily morph into 
code that decides 'android' alone is also a correct answer...)