( format "Extreme Wave" )
( version 0.1 )
( comment "The file format is very lisp like." )

( comment "All points are referred to by index from a point list." )
( pointlist
  3.4 3.2 22.22
  5.67 7.88 23.33 
  5.67 7.88 23.33 
  3.4 3.2 22.22
  133.4 13.2 50.22
  23.4 23.2 29.22
  33.4 22.5 21.75
  80.0 10.0 0.0 
  -10.0 -80.0 -20.0
  40.0 50.0 30.0
)

( comment "All files have a root node which contain other elements.")
( group "root" "The root environment" 
  ( polygon ( points 1 2 3 ))
  ( polygon ( points 7 8 9 ))
  ( bezier  ( points 3 4 5 6 7 8 9 ))
  ( group "sub group a" "This is useful for organizing your work."
    ( polygon ( points 4 5 6 ))
    ( polygon ( points 7 8 9 ))
  )
  ( group "sub group b" "Another group example."
    ( polygon ( points 1 2 3 ))
    ( polygon ( points 4 5 6 ))
    ( group "sub group c" "An example of a sub-group."
      ( polygon ( points 7 8 9 ))
      ( polygon ( points 7 6 5 ))
    )
  )
)