Stefan Kaes wrote:

> Exactly. Although I'm a bit confused by the term RHS identifier. In 
> usual compiler/language semantics  speak, this term is reserved for 
> identifiers occurring on the RHS of an assignment. If I understand it 
> correctly, you use it for "not occurring on the left hand side of an 
> assignment"?
>
I revoke this statment. Your use of RHS is correct. Please excuse me.

-- stefan