In Oxygen 9.1 2007122116<br><br>With this RNG Schema<br><br>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;<br>&lt;grammar <br>&nbsp; xmlns=&quot;<a href="http://relaxng.org/ns/structure/1.0">http://relaxng.org/ns/structure/1.0</a>&quot;<br>
&nbsp; xmlns:a=&quot;<a href="http://relaxng.org/ns/compatibility/annotations/1.0">http://relaxng.org/ns/compatibility/annotations/1.0</a>&quot;<br>&nbsp; datatypeLibrary=&quot;<a href="http://www.w3.org/2001/XMLSchema-datatypes">http://www.w3.org/2001/XMLSchema-datatypes</a>&quot;&gt;<br>
&nbsp;&nbsp;&nbsp; &lt;start&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;element name=&quot;root&quot;&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;element name=&quot;foo&quot;&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;text/&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/element&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/element&gt;<br>&nbsp;&nbsp;&nbsp; &lt;/start&gt;<br>
&lt;/grammar&gt;<br><br><br>It validates this document<br><br>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;<br>&lt;?oxygen RNGSchema=&quot;test-1.rng&quot; type=&quot;xml&quot;?&gt;<br>&lt;root&gt;<br>&nbsp;&nbsp;&nbsp; <br>
&lt;/root&gt;<br><br>Where am I wrong ?<br><br>Regards,<br><br>Xmlizer<br>