= RubySpec RubySpec (http://rubyspec.org) provides the Ruby langauge specification in an executable format. The make task `update-rubyspec' retrieves the specification and put it into this directory. spec +-- mspec driver library for executing the specification. +-- rubyspec +-- 1.8 | +-- core | +-- ... | +-- 1.9 +-- core specification for core libraries | +-- array | +-- bignum | +-- ... | +-- fixtures +-- language specification for Ruby language itself +-- library specification for standard libraries. +-- addrev +-- ...