mapnik/tests/data/warning_maps/point_symbolizer_broken.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map  >
<Map background-color="#b5d0d0" srs="+proj=merc +datum=WGS84  +k=1.0 +units=m +over +no_defs">
    <Style name="some_style">
        <Rule>
            <PointSymbolizer file="foo.png"/>
        </Rule>
    </Style>
</Map>