Pretty-Printing (I)

John Hughes's and Simon Peyton Jones's Pretty Printer Combinators

Based on The Design of a Pretty-printing Library in Advanced Functional Programming, Johan Jeuring and Erik Meijer (eds), LNCS 925

http://hackage.haskell.org/packages/archive/pretty/1.0.1.0/doc/html/Text-PrettyPrint-HughesPJ.html