parse "gopher://null.host:0/ß\xafgX\" \xba\xca\xe4\xe4u0q\x8fe\xf9\xa9\xa4\xafA>\xe0\r@2\x1d\xbf\xf8s\x98$1^\xf4\xb7{\x8c\xab\xd9\xcfw8\x8cd7]": net/url: invalid control character in URL