(form "00136" (size 45  6)
  (help "00136_TIP_0")
  (heading "GRID CREATION")
  (label (position  2  3) (text "Minimum Z value for grid"))
  (label (position  2  4) (text "Maximum Z value for grid"))
  (field "rfrom" (position 26  3) (display_length 16) (input allowed)
    (translate upper) (format real_8) (null disallowed) (max_length 16))
  (field "rto" (position 26  4) (display_length 16) (input allowed)
    (translate upper) (format real_8) (null disallowed) (max_length 16))
  (default_buttons)
)