processContents ( XML Representation Attribute )
processContents [ XML Schema Namespace ]
Indicates how XML from other namespaces (introduced by the any element in a content model) should be validated. The value for this attribute may be one of 'strict' (the processor must retrieve the schema declaration associated with the namespace and validate the XML); 'lax' (the processor should attempt to validate the XML against its schema); and 'skip' (the processor should not attempt to validate the XML).
Primer Mention: