[Xmonad] darcs patch: DragPane.hs: fixes usage info (requires ... (and 2 more)

[Spencer Janssen]

> We could also implement (which would be nice) and XMonadContrib module that
> generates unique integers, e.g.
>
> uniqueInt :: X Int
>
> which would probably need to use the unsafePerformIO/NOINLINE trick, alas.
> Or it could just gamble using a random number generator (which isn't a bad
> idea, as long as uniqueness isn't required for safety).

There's Data.Unique too.


Cheers,
Spencer Janssen