/* $echo file:esc_seq.dat $echo test out 6 escape sequences inside literal and in c++ string $echo hex, extra wide sequence, octal and \ escape sequences $echo last \ escape sequence is in error */ "\U00ffaBaD" '\n\t\v\b\r\f\a\\\?\'\"\\\u7961\U79616363\077\xffd0momma mia' '\xa' "\x0123456789abcde" "\xfff" '\m'