Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-03-01 19:09:40 -0800 (Wed, 01 Mar 2006)
Revision: 8813
Log message:

      Be smarter when using subtyping in nthHypT and dT 0 (improves the code I've
      committed in rev 8808).