<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="tree2svg.xsl"?>
<tree>

<!-- Niveau racine -->
<node level="1" order="1" label="A" id="A"/>
<node level="1" order="2" label="B" id="B"/>
<node level="1" order="3" label="C" id="C"/>


<node level="2" order="1" label="D" id="D">
<parent level="1" id="A"/>
<parent level="1" id="B"/>
<parent level="1" id="C"/>
</node>

<node level="2" order="2" label="E" id="E">
<parent level="1" id="B"/>
<parent level="1" id="C"/>
</node>


<node level="3" order="1" label="F" id="F">
<parent level="2" id="E"/>
<parent level="2" id="D"/>
</node>

<node level="3" order="2" label="I" id="I">
<parent level="1" id="A"/>
<parent level="2" id="D"/>
</node>

</tree>