Errata exists for this version of the document.

An XmlElement value is encoded as an xs:complexType with the following XML schema:

<xs:complexType name="XmlElement">

<xs:sequence>

<xs:any minOccurs="0" maxOccurs="1" processContents="lax" />

</xs:sequence>

</xs:complexType>

XmlElements may only be used inside Variant or ExtensionObject values.