<?php
<test>
<a id="first" xml:lang="en">a</a>
<b id="second" xml:lang="en-US">b</b>
<c id="third" xml:lang="en-Nz">c</c>
<d id="fourth" xml:lang="En-us">d</d>
<e id="fifth" xml:lang="fr">e</e>
<f id="sixth" xml:lang="ru">f</f>
<g id="seventh" xml:lang="de">
<h id="eighth" xml:lang="zh"/>
</g>
</test>
?>