| OK, here's a quick proposal. | | 1. Specifiying a pretty printer. Add the flag: | | -pretty <function-name> | | The supplied function will typically have type (C a => a -> String) | for some class C. I made a ticket for this. http://hackage.haskell.org/trac/ghc/ticket/5461 Not hard for someone (Razvan, even) to implement. Simon