I agree that is not possible to be 100% on the safe side, but I always avoid words which I think may become a reserved word in the future.

>>If one follows the basic rule NEVER to use reserved words for variables, you will not come in the situation you describe.
>
>I agree, but you can apply this rule ?
>
>Example:
>if on VFP6/7/8 i can write:
>

>IsTransactAble= .F.
>

>
>but i cannot write this into VFP9.
>
>Consequently, to pass to VFP9 involves the breach of the rule.
>
>Fabio