Changes by: Jason Hickey (jyh at cs.caltech.edu)
Date: 2003-07-07 17:07:11 -0700 (Mon, 07 Jul 2003)
Revision: 4712
Log message:
Changed the string representation of variables. The Lm_symbol.add
function will now try to parse a numeric suffix correctly.
The bindings in Filter_util now use strings instead of variables.