parse "gopher://null.host:0/pN\x867\x027\x13\xc1z=\x85\xf7\x1c\xb2\x13\x1e\x94\xa1\b\xc2KW\xb6\xf1ڨȈ\x04\xbd\xb2Q": net/url: invalid control character in URL