Redirecting a running display

"Mark C. Ballew" <[email protected]>
Newsgroups gmane.comp.xfree86.expert
Message-ID <[email protected]> 
Is there a way to redirect a X window that is already running on a screen
to another screen/computer without closing it and re-running it? (like GNU
screen, but not quite VNC)

If not, how hard would this be to implement?

Thanks for your ideas,
Mark

PS, is there an archive for xperts somewhere?
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