James Edward Gray II wrote:
> 
> That little challenge made me wish for some Ruby 1.9 elements, like  
> an ordered Hash.

Nice; can it handle the

  require 'open-uri'
  open 'http://home.earthlink.net/~dave_gemini/demo.in'

data which has some unequal (u,v) sets? -- see the 19th
post in http://tinyurl.com/2pw22q

Later,
--
Bil