parse "gopher://\x19\xc50@@ݙzb\xc2u\x8c\xfe-=X\xf5\x95H\a\xbe+\xab9\xd2\x18m\xad˚\xe6\xe0\x8a\x05\xf3Z\xf6\xd7/": net/url: invalid control character in URL