parse "gopher://null.host:0/ó\xa1yT\xb4\xddl1>\xa3T¸\x89.\x13\xad!\xcf\x05,\xc6g\x9fE?\x92\v\v\x1c\xe2`c\xf1`\x97t\xac\xa6\x04fg": net/url: invalid control character in URL