Changes by: Jason Hickey (jyh at cs.caltech.edu)
Date: 2006-06-28 15:54:38 -0700 (Wed, 28 Jun 2006)
Revision: 9411
Log message:

      Use "class" as a variable qualifier instead of "virtual".
      This also allows the use of command names in method names.
      For example,
      
          public.if = 1