    # File lib/rack/recursive.rb, line 13
        def initialize(url, env={})
          @url = URI(url)
          @env = env

          @env[PATH_INFO] =         @url.path
          @env[QUERY_STRING] =      @url.query  if @url.query
          @env["HTTP_HOST"] =       @url.host   if @url.host
          @env["HTTP_PORT"] =       @url.port   if @url.port
          @env["rack.url_scheme"] = @url.scheme if @url.scheme

          super "forwarding to #{url}"
        end