As previous e-mails said - those commands as slated for a future point 
in the series, when/if I find time.
Alternatively, you can try adding them yourself...  The original idea 
of the project was to be a springboard into programming (and a simple 
interpreter as a by-product) Sooner or later, you/others have to take 
control and not just ask others to do it for you.

-Stu

On Nov 11, 2005, at 5:06 PM, Brian Heibert wrote:

> How about:
>
>   Do ... Until
>
> or...
>
>   IF ... Then
>
> Brian
>
>