parse "gopher://null.host:0/O.vp\xbfis1\xde\xee\xd5Ԫ\x1a>^\x94[\xeb\xeeӥ\xb7\xd8'0\xf6$\x02]\xa7r(t\xec\x91\xe2\x1b\x11\xb66\xe7^\xc3@\xfb\xed\xcb": net/url: invalid control character in URL