parse "gopher://null.host:0/\b23o\xbbLn\xbb2s\xc8*\x01\x17\x19O\xbc\xb7Yp\xc7\"Κ:\x90\xc9Z\\\\\xd2\x01c\xa6y\xba\xe0\x97\x8e\x98R\xb4\xba\x037\xa8\x041\v\xf1cX": net/url: invalid control character in URL