parse "gopher://null.host:0/¸l\"\xfe\x85\xc3YR\xe4\x92\"j\xe1>ppR0jW\x18\xb3\x84\xb4D\xaaw\x1e!\x8f\xa6?\xd3\x05\x90\xa4J-\xdc": net/url: invalid control character in URL