diff --git a/functor-combo.cabal b/functor-combo.cabal
--- a/functor-combo.cabal
+++ b/functor-combo.cabal
@@ -1,5 +1,5 @@
 Name:                functor-combo
-Version:             0.3.3
+Version:             0.3.4
 Cabal-Version:       >= 1.6
 Synopsis:            Functor combinators with tries & zippers
 Category:            Data
diff --git a/src/FunctorCombo/Pair.hs b/src/FunctorCombo/Pair.hs
--- a/src/FunctorCombo/Pair.hs
+++ b/src/FunctorCombo/Pair.hs
@@ -8,7 +8,7 @@
 ----------------------------------------------------------------------
 -- |
 -- Module      :  FunctorCombo.Pair
--- Copyright   :  (c) 2012 Tabula, Inc.
+-- Copyright   :  (c) 2012 Conal Elliott
 -- 
 -- Maintainer  :  conal@tabula.com
 -- Stability   :  experimental
diff --git a/src/FunctorCombo/StrictMemo.hs b/src/FunctorCombo/StrictMemo.hs
--- a/src/FunctorCombo/StrictMemo.hs
+++ b/src/FunctorCombo/StrictMemo.hs
@@ -488,6 +488,13 @@
   L :: a -> TrieTree Z k a
   B :: (k :->: TrieTree n k a) -> TrieTree (S n) k a
 
+-- deriving instance Show a => Show (TrieTree n k a)
+
+-- instance Show a => Show (T n a) where
+--   showsPrec p (L a)  = showsApp1 "L" p a
+--   showsPrec p (B uv) = showsApp1 "B" p uv
+
+
 instance Functor (Trie k) => Functor (TrieTree n k) where
   fmap f (L a ) = L (f a)
   fmap f (B ts) = B ((fmap.fmap) f ts)