(form "00624" (size 44  6) 
  (help "00624_TIP_0")
  (heading "CHANGE THE COLOUR OF A PLOT ELEMENT")
  (label (position  2  3) (text "Colour"))
  (field "pen_colour" (position 14  3) (display_length  25)
    (max_length 40) (input allowed)(null disallowed)
    (help "00624_TIP_1"))
  (default_buttons)
)