[xmonad] darcs patch: add configurable X Event handling

[Devin Mullins]

On Wed, Nov 14, 2007 at 12:31:14PM +0100, Andrea Rossato wrote:
> Davin, are you working on the Main replication stuff or just on the
> new MessageHook?

I think they go hand in hand, Andrew, though I'd like to replicate (and
have to keep in sync) as little as possible. It should be possible to
make a mainMessageHook :: SomeMessage -> X Bool that wraps handle,
though I can't think of the existential voodoo off-hand to make that
happen.