Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-04-12 12:21:47 -0700 (Wed, 12 Apr 2006)
Revision: 9067
Log message:

      Adding add_char function to HashDigestSig (as a part of 0.9.6.shell ->
      0_9_7_ref OMake branches merge).