<additionals>

    <!-- non valid Y (missing) -->
    <poi id="POI_0" color="red" layer="0.00" x="-40.00" width="0.00" height="0.00"/>

    <!-- non valid Y (invalid) -->
    <poi id="POI_1" color="red" layer="0.00" x="-40.00" y="dummyY" width="0.00" height="0.00"/>

    <!-- valid Y -->
    <poi id="POI_2" color="red" layer="0.00" x="-40.00" y="0.00" width="0.00" height="0.00"/>

</additionals>
