-(+ 1 2 (* 3 4) (- 3 4))
+;; -*- lisp -*-
+(progn
+ (cond
+ (0 (+ X 2 (* 3 4) (- 3 4)))
+ (1 (+= X 10)))
+ (if (> 20 X 10)
+ (progn
+ (<<= X 2)
+ (set Y "abc")
+ (+= Y "def"))
+ (while (> X 7)
+ (/= X 2))
+ (set Y "ABC")
+ (set Z (+ Y "def")))
+ (insert "kkk"))