<additionals>

    <!-- non valid width (missing) -->
    <poi id="POI_0" color="red" layer="0.00" x="-40.00" y="10.00" height="0.00"/>

    <!-- non valid width (invalid) -->
    <poi id="POI_1" color="red" layer="0.00" x="-40.00" y="20.00" width="dummyWidth" height="0.00"/>

    <!-- valid width -->
    <poi id="POI_2" color="red" layer="0.00" x="-10.00" y="30.00" width="2.00" height="0.00"/>

</additionals>
