[[!comment format=mdwn
 username="http://kerravonsen.dreamwidth.org/"
 ip="202.173.183.92"
 subject="comment 1"
 date="2011-12-03T19:45:06Z"
 content="""
The only thing I can think of is to clone the wiki, and for WikiA, delete PageB, and for WikiB, delete PageA.  This won't remove the histories of those pages, but it will at least remove those pages.
"""]]
