> Is there a practical way to check whether the Pointer is
> in a Text or Document viewer and not in the FillerViewer?
IF v.state > 1 THEN (*v is a displayed viewer*) …
ELSIF v.state = 1 THEN (*v is a filler viewer*) …
ELSIF v.state = 0 THEN (*v is a closed viewer*) …
ELSIF v.state < 0 THEN (*v is a suspended viewer*) …
END