parse "gopher://null.host:0/\x1a\xb7\x94\x96\x1f\xb4\xdaQ\xf0s_\xc5b\xc9X\xdc \xcd\x05\xe7Fwc\x06\xe7\x16\xe1\xf8g\a\a\a\x87\xe1X5\xfeY\xd9矋\xde\xe5\xa7\x11Q\xb1e\x85\xbdy\xc8": net/url: invalid control character in URL