Changes by: Yegor N. Bryukhov (ybryukhov at gc.cuny.edu)
Date: 2005-07-12 15:11:45 -0700 (Tue, 12 Jul 2005)
Revision: 7586
Log message:

      Some fixes in the unification algorithm - it is (still) too agressive in
      unifying incompatible modalities.
      

Changes	Path
+23 -7	metaprl/refiner/reflib/jtunify.ml
+6 -1	metaprl/theories/s4lp/s4_tests.ml
+1 -0	metaprl/theories/s4lp/s4_tests.mli