mapnik/tests/data/good_maps/text_rotation.xml

<Map srs="+proj=merc +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs" background-color="steelblue" minimum-version="0.7.2">

    <Style name="labels">
        <Rule title="foo">
            <Filter>([name]='CHILE')</Filter>
            <TextSymbolizer size="15" name="'45&#730; angle'" orientation="45" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo">
            <Filter>([name]='Australia')</Filter>
            <TextSymbolizer size="15" name="'- 45&#730; angle'" orientation="-45" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo1">
            <Filter>([name]='Brazil')</Filter>
            <TextSymbolizer size="15" name="'90&#730; angle'" orientation="90" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo">
            <Filter>([name]='Mongolia')</Filter>
            <TextSymbolizer size="15" name="'- 90&#730; angle'" orientation="-90" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo">
            <Filter>([name]='Sudan')</Filter>
            <TextSymbolizer size="15" name="'180&#730; angle'" orientation="180" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo">
            <Filter>([name]='United States')</Filter>
            <TextSymbolizer size="15" name="'no rotation of text'" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
        <Rule title="foo">
            <ElseFilter/>
            <TextSymbolizer size="15" name="[name]" face-name="DejaVu Sans Book" halo-radius="1"/>
        </Rule>
    </Style>

    <Layer name="point" srs="+init=epsg:4326">
        <StyleName>labels</StyleName>
        <Datasource>
            <Parameter name="type">sqlite</Parameter>
            <Parameter name="extent">-180,-70,180,70</Parameter>
            <Parameter name="file">../sqlite/qgis_spatiallite.sqlite</Parameter>
            <Parameter name="geometry_field">geometry</Parameter>
            <Parameter name="table">point</Parameter>
            <Parameter name="wkb_format">spatialite</Parameter>
        </Datasource>
    </Layer>
    
</Map>