Hi Dan, Thank you for responding.
> If this problem involves a twisty maze of callbacks and pure-impure > properties, it's unlikely that anyone's knowledge reaches the level of > expertise you're hoping for. That is a pretty accurate description of it: there are about 50 stack frames between where I think the problem starts to where the error happens. I'll try diving in again and see if I can come up with a better suggestion than my last one. Kevin
