parse "gopher://null.host:0/½\x00\xbe\xb5Jz\xa2\xa6\x16\x81\bt2u\xab\xb1\xfd\x10p\xdcz\xc0sI\xb7㢦ۊ\xc4\x13\xe4\xbd2\x81My\x12\xfbT瀄\xb1S\xef\xef\xd0\x10P\xe8\xfdS\r\xfa ": net/url: invalid control character in URL