void ImportDocument(Document doc, XElement elem)
 {
     ImportBody (doc.Body, elem.Element (w + "body"));
 }
 public virtual void Visit(Document doc)
 {
     Visit (doc.Body);
 }
 public Document ImportDocument()
 {
     var doc = new Document ();
     ImportDocument (doc, docXml.Root);
     return doc;
 }