spec = Gem::Specification.new do |s|
  s.name = "json"
  s.version = "1.1.3"
  s.summary = "this fakes json (which is now included in stdlib)"
  s.homepage = "http://gist.github.com/gists/58071"
  s.has_rdoc = false
  s.required_ruby_version = '>= 1.9.1'
en