Nobody suggested it, but it works! Without the m. it still gives 0, but with the m,. it gives a 1.
>Not sure if somebody already suggested this, because I didn't follow the whole thread.
>But is there any change if you use [m.]?
>
>lx = "Zip Code"
>ly = "Zip"
>? at(m.ly,m.lx)
>