(form "01321" 
   (size 60 6)
   (heading "Select and Delete data"
   )
   (label
        (position  2  3)
        (text "Delete segments"
        )
   )
   (label
        (position  39  3)
        (text "the boundary"
        )
   )
   (field "seg_type"
        (position 15  3)
        (display_length 9)
        (input allowed)
        (value_in "partially" "entirely"
        )
        (default "entirely")
        (null allowed)
        (max_length 9)
        (translate lower)
        )
    (field "where"
        (position 27  3)
        (display_length 8)
        (input allowed)
        (value_in "inside" "outside"
        )
        (default "inside")
        (null allowed)
        (max_length 8)
        (translate lower)
    )
    (default_buttons)
)