parse "gopher://null.host:0/P\x91\x1f\x8d\x19\x031\xb4\xe3r6\xbc\xa5\x9a?\x86\x172\x86\xf9'jm\xe8<\x14(\"W\x9fmk\xcb\x1f\xbc\xfa\x93]V": net/url: invalid control character in URL