Mon Sep 18 19:19:10 EDT 2006 Manuel M T Chakravarty <chak@cse.unsw.edu.au>
* Better error message for indexes that must be variables
Wed Aug 30 20:21:33 EDT 2006 Manuel M T Chakravarty <chak@cse.unsw.edu.au>
* Better error message for indexes that must be variables