parse "gopher://null.host:0/È\v\x90\x11\xf4I\x06^{2\x85C\xd58\xd5c\xf4>\xac\xb2\x83\xfc\xf1\xb42\xf2r\xc5z`\x1et\xb8\x8f\xc83\xb2\xd0": net/url: invalid control character in URL