parse "gopher://null.host:0/d.V\xa2n>\xcf)\xa2\xce\"\xba\xb9\x94\x8f\xa1\x8b\xe2*ӌ\xb8\xcaq\xed\v\xd9\b\\\x15a\x0fb\xc2\xd2\xe8K\xff\"": net/url: invalid control character in URL