parse "gopher://\xf31\x84\xd8\xda>\x97U1\xc2od\xf0/\xf9ޛtc@ ]\xe2\x90\xe7c\x1c\xbd8z\x98\x1e6\x93\xf1\x19:0/²\xc1\x18": net/url: invalid control character in URL