*trace-print-pretty*
controls the amount of whitespace printed during output from tracing. If it is not
nil
then extra whitespace is inserted to make the output more comprehensible.
*print-pretty*
is bound to the value of
*trace-print-pretty*
while printing tracing information.
USER 6 > (trace macroexpand-1)
MACROEXPAND-1
USER 7 > (setq *trace-print-pretty* t
*print-pretty* nil)
NIL
USER 8 > (defmacro sum (n)
'(do ((i 0 (1+ i))
(res 0 (+ i res)))
((= i ,n) res)))
SUM
USER 9 > (macroexpand-1 '(sum 3))
0 MACROEXPAND-1 > ((SUM 3))
0 MACROEXPAND-1 < ((DO ((I 0 (1+ I))
(RES 0 (+ I RES)))
((= I 3)
RES))
T)
(DO ((I 0 (1+ I)) (RES 0 (+ I RES))) ((= I 3) RES))
T
LispWorks User Guide and Reference Manual - 21 Dec 2011