SNIP
>>
>
>Since SET("Classlib") returns an upper-case value, the UPPER() isn't necessary on the right side of the #. It's good practice to upper the property.

Technically, Mike (Y that is), you are relying on an undocumented feature in your assertion that the UPPER() is not necessary.
I'd argue that inclusion of the UPPER() function is very cheap "insurance" against future malfunction if the situation were to change, whether deliberately or accidentally.

cheers