mapnik/tests/data/good_maps/osm_nodes_ways.xml

<!DOCTYPE Map>
<Map srs="+proj=latlong +datum=WGS84" background-color="steelblue" minimum-version="0.7.2">

  <Style name="red">
    <Rule>
      <LineSymbolizer stroke="darkred" stroke-width="1.5"/>
      <LineSymbolizer stroke="red" stroke-width="1"/>
      <MarkersSymbolizer fill="yellow" width="5" stroke="green" stroke-width=".5"/>
    </Rule>
  </Style>

  <Style name="green">
    <Rule>
      <MarkersSymbolizer fill="yellow" width="7" height="5" stroke="green" stroke-width="1.5"/>
    </Rule>
  </Style>

  <Layer name="red" status="on" srs="+proj=latlong +datum=WGS84">
    <StyleName>red</StyleName>
    <Datasource>
      <Parameter name="type">osm</Parameter>
      <Parameter name="file">../osm/ways.osm</Parameter>
    </Datasource>
  </Layer>

  <Layer name="green" status="on" srs="+proj=latlong +datum=WGS84">
    <StyleName>green</StyleName>
    <Datasource>
      <Parameter name="type">osm</Parameter>
      <Parameter name="file">../osm/nodes.osm</Parameter>
    </Datasource>
  </Layer>


</Map>