parse "gopher://null.host:0/µ \x9c\x9d&\xf7)\x17K\xfek;\xe2{o탳\xea\xbe\x06`\xcc\x1e{8\xa2\b\xc6\x1dkUI\xb7.\xd0V\xf66\x85\xa3\xbf\\\x8eV<}\x1e": net/url: invalid control character in URL