)
! DPI_AWARENESS_CONTEXT experimentally:
-! USE: math.ranges -100 1000 [a,b] [ <alien> IsValidDpiAwarenessContext ] map-zip
+! USE: math.ranges -100 1000 [a,b] [ <alien> IsValidDpiAwarenessContext ] zip-with
! [ nip 0 > ] assoc-filter keys .
! { -5 -4 -3 -2 -1 17 18 34 273 529 785 }