# File lib/rubygems/gem_commands.rb, line 618
    def print_dependencies(spec, level = 0)
      response = ''
      response << '  ' * level + "Gem #{spec.full_name}\n"
      unless spec.dependencies.empty?
#        response << '  ' * level + "  Requires\n"
        spec.dependencies.each do |dep|
          response << '  ' * level + "  #{dep}\n"
        end
      end
      response
    end