parse "gopher://null.host:0/D\xee|\xbc|\xa1\x04c\x16\x98\xf5\xbd\x94_\x8d\xd5'\xffLp\xed\x04q\xcbD4p\xb5\xb0b\xbaQ\xf7\xfc\xbfT": net/url: invalid control character in URL