[pretty print constant primitives properly in grin
John Meacham <john@repetae.net>**20060406022013] hunk ./Grin/Show.hs 94
-prettyVal (ValPrim aprim xs ty) = tshow aprim <> tupled (map tshow xs)
+prettyVal (ValPrim aprim xs ty) = pprint aprim <> tupled (map tshow xs)