Ah yes, Thanks. From the proposed use above, '(W4)*' as an alternative for '(A4)*', I was expecting it to be grouped with a,A & Z, or with U, and just looked right past it.
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.