(form "00327" (size 40 11)
  (heading "DELETE EXISTING MAP DEFINITIONS")
  (scroll_block "main" (position  4 4) (size 25  5) (extra  0  1)
    (scroll_size 25 20) 
    (repeat interactive (grow 0 1) (instances 1 (min 1) (max 20)))
    (top
    )
    (main
  (field "map_name" (position 1  0) (display_length 20) (input allowed)
    (translate upper) (null allowed) (max_length 32))
    )
  )
  (default_buttons)
)