parse "gopher://ȓ\xf4w\x8b\x92.}r\x02\x88lJ\xf1s\xb9:0/è\xbc \xa5\x1c\xc6u\x10xnW\xb2\xf7\xf1\xe1\x90\xc7X\xf0": net/url: invalid control character in URL