# File lib/openid/util.rb, line 62
    def Util.append_args(url, args)
      url = url.dup
      return url if args.length == 0

      if args.respond_to?('each_pair')
        args = args.sort
      end

      url << (url.include?("?") ? "&" : "?")
      url << Util.urlencode(args)
    end