[commit: base] ghc-generics's head updated: Merge branch 'master' of http://darcs.haskell.org/packages/base into ghc-generics (76dbb23)

[José Pedro Magalhães]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

Branch 'ghc-generics' now includes:

     41839f1... monad comprehensions: Group and Zip monad
     dc3ea0d... Merge branch 'monad-comp'
     76dbb23... Merge branch 'master' of http://darcs.haskell.org/packages/base into ghc-generics