Graphics hierarchy

[Simon Marlow]

> > The Win32 API includes not just Graphics but also Systemy stuff, so
> > there are two options: either it has its own top-level category,
> > [...]
>=20
> I'd prefer that, too.
>=20
> Has anything been decided about POSIX yet?

Nope.  But I'm thinking that Posix should be divided into two, with the =
networking stuff going in Network.Posix (an evolution of the current =
SocketPrim library) and the rest in System.Posix, possibly further =
subdivided within there.

Unfortunately this breaks our rule of naming libraries by functionality, =
but again I think I prefer

	System
	   Posix=20

to=20

	System
	  Directory
	    Posix
	  IO
	    Posix
	  Time
	    Posix
  	  etc.

Cheers,
	Simon