apt-get across distributions

["John R. Sheets" <dusk@ravendusk.org>]

Hi,

I seem to remember someone saying that you could use apt-get to fetch a
package in a different distribution.  I'm currently running potato
frozen and would like the latest-greatest Zope.  The frozen version of
Zope is 2.1.6, while the zope in unstable is 2.2.0.  How can I pull the
unstable zope into my frozen box?  Do I have to add something to
sources.list, or can I do it from the command line?

Thanks,
John

-- 
dusk@ravendusk.org                            http://www.gnome.org
jsheets@codeweavers.com                  http://www.worldforge.org
               http://advogato.org/person/jsheets