citeproc-hs is a Haskell library for rendering bibliographic reference
citations into a variety of styles using a macro language called
Citation Style Language (CSL).

This requires ghc, haskell-mtl, haskell-json, haskell-utf8-string,
haskell-xml, haskell-syb, haskell-parsec and haskell-pandoc-types.

After uninstalling, run this command to unregister the package from
the ghc package database:   ghc-pkg recache