Changes by: Jason Hickey (jyh at cs.caltech.edu)
Date: 2006-04-14 21:29:10 -0700 (Fri, 14 Apr 2006)
Revision: 9088
Log message:

      Changed the notation, instead of
      
         export.x = 1
      
      you should write
      
         auto.x = 1
      
      This is to emphasize:
         - the value is temporary
         - the exporting is done automatically