Copy/pasting list items in a list. This test should be run with DRT for pasteboard access.

PASS: <li>alpha</li><ul><li>beta</li><li>gamma</li></ul><li>beta</li><li>gamma</li><li id="delta">delta</li><li>beta</li><li>gamma</li><li></li>

alpha
beta
gamma
beta
gamma
delta
beta
gamma

