(form "00071" (size 50  5)
  (help "00071_TIP_0")
  (heading "SET THE DESIGN STRING NUMBER")
  (label (position 10  3) (text "String number"))
  (field "idesign_string" (position 25  3) (display_length  5) (input allowed)
    (low_bound 1) (high_bound 32000)
    (format integer_4) (null disallowed) (max_length 5)
    (help "00071_TIP_1"))
  (default_buttons)
)