(write '`(lambda (,x)) :stream s :pretty t :readably t))
"`(LAMBDA (,X))"))
\f
+;;; SET-PPRINT-DISPATCH should accept function name arguments, and not
+;;; rush to coerce them to functions.
+(set-pprint-dispatch '(cons (eql frob)) 'ppd-function-name)
+(defun ppd-function-name (s o)
+ (print (length o) s))
+(let ((s (with-output-to-string (s)
+ (pprint '(frob a b) s))))
+ (assert (position #\3 s)))
+\f
;;; success
(quit :unix-status 104)