Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2000-02-23 14:00:06 -0800 (Wed, 23 Feb 2000)
Revision: 2908
Log message:

      Efficiency fixes.
      
      This makes p4.ml 3% faster and f650.ml 11% faster
      

Changes	Path
+2 -2	metaprl/filter/boot/rewrite_boot.ml
+5 -2	metaprl/refiner/refiner/refine.ml
+4 -2	metaprl/refiner/refsig/refine_sig.ml
+7 -10	metaprl/refiner/rewrite/rewrite_match_redex.ml