X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=hints%2Fcps_hint_4.mdwn;h=028504cde49ff991040ca84fff3ab9d04a67c20a;hp=09a45af37bdb482f22d79c8af4e4dd0702d9ecc3;hb=b37134816a0aab587f428301f705777b4ed7f3ee;hpb=6d7421674411dbbd0cd48910aecc197f316e6879

diff --git a/hints/cps_hint_4.mdwn b/hints/cps_hint_4.mdwn
index 09a45af3..028504cd 100644
--- a/hints/cps_hint_4.mdwn
+++ b/hints/cps_hint_4.mdwn
@@ -52,4 +52,5 @@ This function is developed in *The Seasoned Schemer* pp. 165-177. It accepts a l
 	(delta '(((a b) ()) (c (d (d)))))  ; ~~> #t
 	(delta '(((a b c) ()) (c (d ())))) ; ~~> #t
 	(delta '(((a b) ()) (c (d ()) c))) ; ~~> #f
+	(delta '((() ()) ()))              ; ~~> #f