parse "gopher://null.host:0/ñ\xf0\xff\\C\f\xb6\xa1\xe5c\x11\x91\xc7rh\xff\x0em\x8f\xa0\x14\x8d\xa36\x96\rC\xd3Н)\xefJ4\x9eX\xbb\x12": net/url: invalid control character in URL