On Thu, May 29, 2014 at 01:49:41PM -0700, dx wrote:
> > @@ -127,6 +127,9 @@ class Screen(command.CommandObject):
> >      """
> >          A physical screen, and its associated paraphernalia.
> >      """
> > +    group = None
> > +    previous_group = None
> 
> Why are these being moved at class level? They look like instance attributes to me.

Actually this is the inverse of a commit I just did to develop, it
just needs to be rebased.