parse "gopher://null.host:0/äXO\x12^ B U\xb8<\x02\xc00\xa3\x85\x8e\"\x85,\xa0o5G\x87@\xd6\u007f֑\x9f\xba\xb3\xa1\xcaD\xf0\xe7\xe4;\xe4u\xb9\x14>[\x00\x8e\xf3\x17y\xba`\xb9p\xfe\xf4\x88\xe4\xa4J\xfd۩\x98": net/url: invalid control character in URL