Changes for clojure.walk/prewalk-replace

jafingerhut on Wed, 28 Mar 2012
user=> (clojure.walk/prewalk-replace '{a b} '(c (d a)))
(c (d b))
Chouser on Wed, 11 Aug 2010
user=> (clojure.walk/prewalk-replace '{a b} '(c (d a)))
(c (d b))