<grammar xmlns="http://relaxng.org/ns/structure/1.0">
<start>
<element name="...">
...
</element>
</start>
</grammar>
<element name="">
<element name="">
...
</element>
</element>
<element name="">
<attribute name="">
...
</element>
<element name="">
<text/>
</element>
<element name="">
<zeroOrMore>
<element name="">
</zeroOrMore>
<oneOrmore>
<element name="">
</oneOrMore>
...
<element name="">
<optional>
<element name="">
</optional>
...
<element name="">
<choice>
<element name="">
<element name="">
<element name="">
</choice>
<element name="">
<choice>
<value></value>
<value></value>
<value></value>
</choice>
<attribute name="">
<choice>
<value></value>
<value></value>
<value></value>
</choice>