parse "gopher://null.host:0/\u0090\xd9\xe9\xc8\xf6\xc5&\xee\xf6\xc0\xa7Ꭾ\xac\xefX\x990\xb115b\x1b\x80\r5U\x84\v\x1a\x80\x17\a\u007f": net/url: invalid control character in URL