Beef up haddock description (#658)
Beef up haddock description (#658)

* Beef up haddock description

* Handle empty lines

haskell/haddock,Fuuzetsu/haddock,Fuuzetsu/haddock,Fuuzetsu/haddock,haskell/haddock,haskell/haddock,haskell/haddock,haskell/haddock,Fuuzetsu/haddock