22.1.4 Examples of Printer Behavior

 (let ((*print-escape* t)) (fresh-line) (write #\a))
▷ #\a
→ #\a
 (let ((*print-escape* nil) (*print-readably* nil))
   (fresh-line)
   (write #\a))
▷ a
→ #\a
 (progn (fresh-line) (prin1 #\a))
▷ #\a
→ #\a
 (progn (fresh-line) (print #\a))
▷
▷ #\a
→ #\a
 (progn (fresh-line) (princ #\a))
▷ a
→ #\a
 
 
 (dolist (val '(t nil))
   (let ((*print-escape* val) (*print-readably* val))
     (print '#\a)
     (prin1 #\a) (write-char #\Space)
     (princ #\a) (write-char #\Space)
     (write #\a)))
▷ #\a #\a a #\a
▷ #\a #\a a a
→ NIL
 
 
 (progn (fresh-line) (write '(let ((a 1) (b 2)) (+ a b))))
▷ (LET ((A 1) (B 2)) (+ A B))
→ (LET ((A 1) (B 2)) (+ A B))
 
 
 (progn (fresh-line) (pprint '(let ((a 1) (b 2)) (+ a b))))
▷ (LET ((A 1)
▷       (B 2))
▷   (+ A B))
→ (LET ((A 1) (B 2)) (+ A B))
 
 
 (progn (fresh-line)
        (write '(let ((a 1) (b 2)) (+ a b)) :pretty t))
▷ (LET ((A 1)
▷       (B 2))
▷   (+ A B))
→ (LET ((A 1) (B 2)) (+ A B))
 
 
 (with-output-to-string (s)
    (write 'write :stream s)
    (prin1 'prin1 s))
→ "WRITEPRIN1"