Changes by: Jason Hickey (jyh at cs.caltech.edu)
Date: 2007-04-25 14:41:17 -0700 (Wed, 25 Apr 2007)
Revision: 10506
Log message:

      var3 is really not all that useful alone because it uses absolute pathnames.
     The "file" branch should be used instead, so I'll rename file->var3.