Attaching remote display at runtime?

[Dan Kegel]

On Thu, Apr 10, 2008 at 11:04 AM, Florian Echtler <floe at butterbrot.org> wrote:
>  after some experimentation with Xdmx today, I was wondering if there is
>  _any_ way, through some bizarre combination of Xdmx and/or RandR 1.2,
>  to attach a remote X display on a different machine to a running X server?

Does xpra do it?
http://partiwm.org/browser/README.xpra
http://lwn.net/Articles/276855/