anchor.diff:       preceded by a comma (,) are evaluated, rather then left as literals"
     (let ((num 5)
           (word 'dolphin))
  -    (true-or-false? ___  (equal '(1 3 5) `(1 3 5)))
  -    (true-or-false? ___  (equal '(1 3 5) `(1 3 num)))
  -    (assert-equal ____ `(1 3 ,num))
  -    (assert-equal ____ `(word ,word ,word word))))
  +    (true-or-false? t  (equal '(1 3 5) `(1 3 5)))
  +    (true-or-false? nil  (equal '(1 3 5) `(1 3 num)))
  +    (assert-equal '(1 3 5) `(1 3 ,num))
  +    (assert-equal '(word dolphin dolphin word) `(word ,word ,word word))))
   
   
   (define-test test-at-form
  
positive.code:   (assert-equal '(- 2013 1978) (second *log*)))
  
  ;; Now you must write a more advanced log-form, that also records the value
  ;; returned by the form
  
  (defvar *log-with-value* nil)
  
negative.code:   (let ((x 0)
          (y 0))
      (double-setf-SAFER x y (+ x 100))
      (assert-equal x 100)
      (assert-equal y 100)))
  
  
  ;; ----
  