parse "gopher://\x9d9\x86\x933O\xad\xd5|\xe3xg_\x8bc\x05<~\xa1r\x11\xf4!\xa9$\xf1\xf7\xf3\xca\xfb\xf4\v\x10\r:\xb9\xadֱ\xf7/": net/url: invalid control character in URL