parse "gopher://null.host:0/\a\xcd\xd0\x15\x85\xfa\x99\xb8M.\x8d\x1d\xe3\x17\x15P\xa4\x9c\r\v51\xd5\xd9i\x18'\x0eե\xf5\x8fkJ$\xc9ȋ\xde\xff\x91w": net/url: invalid control character in URL