source: vbox/trunk/src/libs/libxml2-2.9.14/test/relaxng/choice0.rng@ 97823

<?xml version="1.0"?>
<element xmlns="http://relaxng.org/ns/structure/1.0" name="device">
    <choice>
      <group>
        <attribute name="link">
          <value>ethernet</value>
        </attribute>
        <optional>
          <element name="ethernet-element">
            <text/>
          </element>
        </optional>
      </group>
      <group>
        <attribute name="link">
          <value>serial</value>
        </attribute>
        <optional>
          <element name="serial-element">
            <text/>
          </element>
        </optional>
      </group>
    </choice>
</element>