parse "gopher://null.host:0/ï\xb9\x9c\xfb\xa4\xbb\xa3\xb78\x1b\x15\x85Ɖ(\xeeE,z\x1f\x16\xc8\x1bæ\x80\xa1w\xfd\xd7\x1fA\xccD\x1a7\xd5\xf0`\x91Ϙy\b\xfa\xf2": net/url: invalid control character in URL