(form "20120" (size 35 9)
  (heading "CLEAR MODEL ATTRIBUTES")
  (label (position 2 3) (text "Name"))
  (label (position 2 5) (text "Press APPLY to clear attributes"))
  (label (position 2 6) (text "Press CANCEL to leave unchanged"))
  (field "name" (position 8 3) (display_length 20)
                (background) (input disallowed))
  (default_buttons)
)