Implemented as described at http://en.wikipedia.org/wiki/Ascii85.
Further documentation and information can be found at http://www.haskell.org/haskellwiki/Library/Data_encoding.
Documentation
decode :: String -> Maybe [Word8]Source
Decode data (strict).
The input must not be enclosed in <~ ~>.
decode' :: String -> [Maybe Word8]Source
Decode data (lazy).
The input must not be enclosed in <~ ~>.
Chop up a string in parts.
The length given is rounded down to the nearest multiple of 5.