parse "gopher://null.host:0/\a\xe7\xe3\xc8Pqp\x82\xe4\xff\xd6ec\xf9\x9d\x8d\x98\xf9\x8cBl\xe9\x9c\xc8,U\xe4\x8d!E\xb3\xaaE\x85S\xbcF\xa9\xab\xba\xf2:\v\x9dÓˇ)\x81m\xdd\x00\x1f": net/url: invalid control character in URL