slackbuilds/haskell/haskell-annotated-wl-pprint

This is a modified version of wl-pprint, which was based on Wadler's
paper "A Prettier Printer". See the haddocks for full info. This
version allows the library user to annotate the text with semantic
information, which can later be rendered in a variety of ways.

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