parse "gopher://null.host:0/\b\xc0MӠ!F\x18z\xcd0d\xaf\xdd A\xaf\x8c(\x05{̨\x11\xfeF\x9e\xa2\xddC5za\x81?pZ\xf8\xa2\xadm\u07b5\x874[": net/url: invalid control character in URL