Creates an empty DocumentType node.
CL_DomDocumentType CL_DomImplementation::create_document_type( const CL_DomString & qualified_name, const CL_DomString & public_id, const CL_DomString & system_id);
Detailed description:
Entity declarations and notations are not made available. Entity reference expansions and default attribute additions do not occur. It is expected that a future version of the DOM will provide a way for populating a DocumentType.