mapnik/tests/visual_tests/styles/simple-shield.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<Map background-color="white" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">

  <Layer name="layer" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
    <StyleName>My Style</StyleName>
    <Datasource>
      <Parameter name="type">osm</Parameter>
      <Parameter name="file">../data/points.osm</Parameter>
    </Datasource>
  </Layer>

    <Style name="My Style">
    <Rule>
      <ShieldSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" dx="5" dy="16" file="../../data/svg/crosshair16x16.svg" horizontal-alignment="middle" vertical-alignment="middle" placement-type="simple" placements="N,S,E,W,SW,10,5">[name]</ShieldSymbolizer>
      <PointSymbolizer allow-overlap="true"/>
    </Rule>
  </Style>

</Map>