fpco/stackage — pull request #356 by JoeyEremondi (2014-12-07 13:35:24+00:00)
Title: Added prettyclass, pretty-class is depricated

I'm not the maintainer for this, but there isn't contact information for PrettyClass on the hackage page. It seems pretty minimal, and it would be good to have, since pretty-class, which is included, is deprecated.