parse "gopher://null.host:0/\u00812\x16\f\xb2N\x17yc\xf0\xf5\xb4]TH\x88|\\\xe1\x8cU\u007f㦿\xd7mo\x81\x9a\xa3\xc3\u0604Ǎ": net/url: invalid control character in URL