--- /dev/null
+<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>