[commit: ghc] master's head updated: Merge branch monad-comp onto master (7028041)

[Simon Peyton Jones]

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

Branch 'master' now includes:

     478e69b... Preliminary monad-comprehension patch (Trac #4370)
     5ccf658... Merge remote branch 'origin/master' into monad-comp
     4ac2bb3... Simon's hacking on monad-comp; incomplete
     d76d963... More hacking on monad-comp; now works
     f6d254c... More on monad-comp; an intermediate state, so don't pull
     e01036f... More hacking on monad-comp
     4b73bcc... Merge remote branch 'origin/master' into monad-comp
     3bb700d... Final batch of monad-comprehension stuff
     880046b... Improve error message when a function is applied to too many or too few args, in a higher order context
     a622ea1... Print contraint step counts only with -dppr-debug
     5fca973... Change (back) to Unix line endings
     7028041... Merge branch monad-comp onto master