parse "gopher://null.host:0/µ\x9c \xfc>1͟ۏm\xd3\xfdp4uJ[\xd8\xf6\xda@9\xbcm\x87\b\xee\x84\xd8\xd0V\xb1\x18\xaeS\xe8": net/url: invalid control character in URL