Changes by: Alexei Kopylov (kopylov at cs.caltech.edu)
Date: 2000-11-07 11:58:28 -0800 (Tue, 07 Nov 2000)
Revision: 3087
Log message:

      The bug in the red-black tree implementation is fixed.
      Thanks to Carl for noticing this bug.
      

Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2000-11-10 12:23:06 -0800 (Fri, 10 Nov 2000)
Revision: 3088
Log message:

      Small fixes.