annotations

[Simon Peyton-Jones]

Ian and others

I've pushed a fairly big patch that allows "annotations" in Haskell programs.  It touches quite a lot of files, but in a fairly localised way, so I don't think it'll make future merging too hard.  And we always have this "will this disrupt merging" tension!

Documentation in the user manual, and here
        http://hackage.haskell.org/trac/ghc/wiki/Annotations

Simon