Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-02-13 02:06:59 -0800 (Mon, 13 Feb 2006)
Revision: 8675
Log message:

      Derived itt_list from itt_union + itt_nat!
      
      This time it's using the weaker (pairwise-compatible) rules.