parse "gopher://null.host:0/¶\xf7\v\xf3wP\x13Fa\x13\ue10aׇl\x11\xe6\xaf\xc5\x04a]\xa1ɷ\xe0\xef\xb9\xff\xa1\x81\xcfI\xe0": net/url: invalid control character in URL