<additionals>

    <!-- non valid layer (missing) -->
    <poly id="poly_0" color="green" fill="1" shape="-50.00,20.00 -40.00,20.00 -40.00,10.00 -50.00,10.00 -50.00,20.00"/>

    <!-- non valid layer (dummy) -->
    <poly id="poly_1" color="green" fill="1" name="%%%%%%%" shape="-50.00,0.00 -40.00,0.00 -40.00,-10.00 -50.00,-10.00 -50.00,0.00"/>

    <!-- valid layer, negative -->
    <poly id="poly_2" color="green" fill="1" name="customName" shape="-50.00,-20.00 -40.00,-20.00 -40.00,-30.00 -50.00,-30.00 -50.00,-20.00"/>

</additionals>
