empty is zero

[J. Landman Gay]

Scott Morrow wrote:

> it results in BOTH tParamIsZero = true   AND   tParamIsEmpty = true    
> (it is empty and zero?)

Right. Empty is a variable sort of variable... I believe it only equates 
to zero when you do a math calculation on it. Otherwise it isn't a 
number. This prevents math from failing when a parameter contains no value.

-- 
Jacqueline Landman Gay         |     jacque at hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com