ghc and the hs-packages now simply include the necessary (haskell)
package description files in lib/ghc/package.conf.d and update the
package.cache by running ghc-pkg recache at the end. register and
unregister scripts are no longer needed.
ok (with a small correction for the dependencies), sthen@
This library provides bindings for the Dot language used by the
Graphviz (http://graphviz.org/) suite of programs for visualising
graphs, as well as functions to call those programs.