orphan instances for TH datatypes; documentation

 Orphan instances for TH datatypes. In particular, instances for Ord
 and Lift, as well as a few missing Show / Eq (Show Eq for Loc, and
 Ppr for Loc Lit)
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.