libghc-bzlib-doc 0.5.0.4-2 (amd64 binary) in ubuntu wily

 This package provides a pure interface for compressing and decompressing
 streams of data represented as lazy ByteStrings. It uses the bz2 C library
 so it has high performance.
 .
 It provides a convenient high level API suitable for most tasks and for the
 few cases where more control is needed it provides access to the full bzip2
 feature set.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.