- Split code into multiple files. - Completed Haddoc documentation. - Changed decimation style flag from Boolean to custom type, DecimationStyle, w/ constructors: DIT & DIF, as per Mark L.’s suggestion. - Introduced type alias: type Radix = Int, for readability. cabal install treeviz http://www.haskell.org/haskellwiki/Treeviz Cheers, -db