parse "gopher://null.host:0/©\uf47c'\x82\\8;\xc7/\x8e\xb4\x96N\x83g\xf6\xef\xdcx\xf6\xb4\xc7\xd1\xdf7E*\xf1\xd9\x1d\xda\xd1;\x81:\xc6'\x87\x95": net/url: invalid control character in URL