mapnik/tests/visual_tests/styles/text-multi-layout-1.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<Map background-color="green" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs" minimum-version="2.0.0">

  <Layer name="obstacle" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
    <StyleName>obstacle</StyleName>
    <Datasource>
      <Parameter name="type">csv</Parameter>
      <Parameter name="inline">
lat,long,nr
-0.5,0.5,0
0.5,-0.5,1
0.5,0.5,2
-0.5,-0.5,3
0.08,0,4
-0.08,0,5
      </Parameter>
    </Datasource>
  </Layer>

  <Style name="obstacle">
    <Rule>
      <PointSymbolizer file="../../data/svg/crosshair16x16.svg" transform="scale(0.5)"/>
    </Rule>
  </Style>

  <Layer name="layer1" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
    <StyleName>points</StyleName>
    <Datasource>
      <Parameter name="type">csv</Parameter>
      <Parameter name="inline">
lat,long,nr,ref
-0.45,-0.45,0,first
0.45,-0.45,1,second
0.45,0.45,2,third
-0.45,0.45,3,fourth
0,0,4,fifth
      </Parameter>
    </Datasource>
  </Layer>

  <Style name="points">
    <Rule>
      <PointSymbolizer allow-overlap="true" ignore-placement="true" file="../../data/raster/white-alpha.png"/>
      <TextSymbolizer face-name="DejaVu Sans Book" placement="point" placement-type="list" size="16" dx="-4" dy="-8">
        "test "+[nr]
        <Layout dx="0" dy="8" horizontal-alignment="right">
          <Format fill="red">[ref]</Format>
        </Layout>
        <Placement size="14" dy="8">
          "test "+[nr]
          <Format fill="blue">
            <Layout dx="0" dy="-8" horizontal-alignment="right">[ref]</Layout>
          </Format>
        </Placement>
        <Placement dx="0" dy="0">
          "test "+[nr]
          <Format  fill="yellow">" ("+[ref]+")"</Format>
        </Placement>
      </TextSymbolizer>
    </Rule>
  </Style>

</Map>