<?xml version="1.0" encoding="UTF-8"?>
<test:main xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" [...] xmi:id="[...]">
    <childNode xmi:id="[...]" name="Boo!" number="1.414"/>
    <childNode xmi:id="[...]" name="toto" number="42"/>
    <childNode xmi:id="[...]" name="paf" number="12.215"/>
    <childNode xmi:id="[...]" name="pif" number="56.1"/>
</main>