parse "gopher://null.host:0/¶\xbf\xfd\x16~\xab\x8f\xa0\xe7\xbe\xc5\f=\x9b\x1d\x88\x1eC\x18\x10YM\x12\xb9}@\xcdp\xf29\x96\xe1EȰ": net/url: invalid control character in URL