# File lib/thor/group.rb, line 28
    def start(original_args=ARGV, config={})
      super do |given_args|
        if Thor::HELP_MAPPINGS.include?(given_args.first)
          help(config[:shell])
          return
        end

        args, opts = Thor::Options.split(given_args)
        new(args, opts, config).invoke
      end
    end