parse "gopher://null.host:0/_^\x96\x120f\xa6\x113F\xc6L\x8e\x93εΎ½\x12\xcb\\\\V\b<\xa9\x0f\x8bH\xeb\x99\x01\xc9b\xe3\x0f\x19": net/url: invalid control character in URL