Ruby Quiz wrote:

>My thanks to all who committed such wonderful code and discussion to this week's
>quiz.  I know I learned multiple new things and I hope others did too.
>  
>
Good stuff, JEGII, Robin, Chris2, Dave.

I can also really sympathize with Chris' disgust over the 
YAML.add_ruby_type methods... It is undergoing deprecation in favor of:

  class SerializableProc
     yaml_type "tag:rubyquiz.org,2005:SerializableProc"
  end

_why