libghc-semigroups-doc 0.13.0.1-1build1 (powerpc binary) in ubuntu vivid

 It contains a Haskell 98 logically-uninhabited data type used to
 indicate that a given term should not exist.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.