parse "gopher://null.host:0/0X\xa7\xa1\x01\x8dj\xd6d\xaf\xf0o\x85\xadČcX<\x96F\xb4\x16/;n\xcd>X\xb2\xf3\xae}a\x15\xc0\x8d\x06 8IL:\xb4>\x9e\xae\xcc\xfcj\v": net/url: invalid control character in URL