parse "gopher://null.host:0/Ä/\x19\xf4B˰c\xdb×2\xc0\xa1F\x902L\x91\xd5 Sᮑ\\[*\xc5g\xddy\x1d\x01\x8d\xdd\xc5\xe8~\xb7.\x93]iA\xff'L\x01\xb9-\x86\x04\x1e\xc1": net/url: invalid control character in URL