parse "gopher://null.host:0/ì\xc7\xc9X\xb4h\xef>\xc4\xee\x17 \x970\xe2\xe2\xf6\xe1-\xe3\x96il\x9d\xc2\xf6\xda\x06\xc8\x03*\xb1!\x1e\xa7\xe4\x1a\x98-\xd74\xf9şT\xe9\xe3\x89\xe7l\xd0|\xdae\x9c\x17\x19\x96\xdb;R~[:/c'\xf2": net/url: invalid control character in URL