parse "gopher://null.host:0/b\xf0'\xb9֒&,\xba\u007fG\xbc{jz\xf0cx\xb0m\x93\xd8ZZ2\x14 \xdex\x9e\xa4\xcdY\x00eώ\b(\x9f\x90\xb89\x86\xb0\xf4\xd5 ": net/url: invalid control character in URL