A Snarly little graph of Ruby's Grammar

Nick Sieger, who attended the RubyConf 2007 implementers' summit has started exploring the seedy back alleys of Ruby, and is taking notes for the rest of us. After he spent some time with the yacc grammar, he came up with a nice little graph. Follow the link to see his travelogue, then you can do what I'm doing — waiting impatiently for the next iteration.