(form "20515" (size 70 11)
  (heading "EDIT ATTRIBUTES")
  (scroll_block "atts" (position 5 4) (size 65 5)
     (extra 0 1)
     (scroll_size 85 5)
     (repeat interactive (grow 0 1) (instances 1 (min 1) (max 10)))
    (top
      (label (position  1 0) (text "Attribute Name"))
      (label (position 15 0) (text "New Name"))
      (label (position 30 0) (text "Decimals"))
      (label (position 38 0) (text "Background Value"))
      (label (position 50 0) (text "Description / Expression"))
    )
    (main
      (field "att" (position 1 0) (display_length 13) (input allowed)
        (translate lower) (max_length  "BM_MAX_ATT_NAME_LEN") (null allowed)
        )
      (field "name" (position 15 0) (display_length 13) (input allowed)
        (max_length "BM_MAX_ATT_NAME_LEN") (null allowed) (translate lower)
        )
      (field "decimals"(position 30 0)
        (display_length 5)
        (max_length 64) 
        (input allowed)
        (low_bound 0)
        (high_bound 9)
        (format integer_4)
        (decimals 4) 
        (null allowed)
        )
      (field "bgv" (position 38 0) (display_length 15) (input disallowed)
        (max_length 64) (decimals 4) (null allowed)
        )
      (field "description"(position 50 0)
        (display_length 30)
        (max_length "BM_MAX_ATT_DESC_LENGTH") 
        (input allowed)
        (null allowed)
        )
      )
   )
  (default_buttons)
)