{cabal} :

cabal.mkDerivation (self : {
  pname = "hscolour";
  version = "1.19";
  sha256 = "17wzd1b7kd4di7djj8d203rn6r1zvd6rykpxhqv7j06kzgx2r7bz";
  meta = {
    homepage = "http://code.haskell.org/~malcolm/hscolour/";
    description = "Colourise Haskell code.";
    license = "GPL";
    platforms = self.stdenv.lib.platforms.haskellPlatforms;
    maintainers = [ self.stdenv.lib.maintainers.simons ];
  };
})