mapnik/tests/visual_tests/styles/lines-multi-layout-3.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<!-- Upright test -->
<Map background-color="white" srs="+proj=latlong +datum=WGS84">

    <Layer name="layer" srs="+proj=latlong +datum=WGS84">
        <StyleName>lines</StyleName>
        <StyleName>text</StyleName>
        <Datasource>
            <Parameter name="type">csv</Parameter>
            <Parameter name="file">../data/lines.csv</Parameter>
        </Datasource>
    </Layer>

    <Style name="lines">
        <Rule>
            <LineSymbolizer stroke-width="12" stroke="red"/>
        </Rule>
    </Style>

    <Style name="text">
        <Rule>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="line" spacing="25" upright="right" max-char-angle-delta="0">
                "Center Line"
                <Format size="12">
                    <Layout dy="-5" vertical-alignment="top">"Left Side"</Layout>
                    <Layout dx="-5" dy="5" vertical-alignment="bottom">[nr]</Layout>
                    <Layout dx="3" dy="5" horizontal-alignment="right">
                        <Format fill="#0000ff" face-name="DejaVu Sans Bold">"Right"</Format>
                    </Layout>
                </Format>
            </TextSymbolizer>
        </Rule>
    </Style>

</Map>