Subclass of ParentNode
Document children are:
Comments
Processing Instructions
Zero or one DocType
One Root Element
package nu.xom;
public class Document extends ParentNode {
  public Document(Element root);
  public Document(Document doc);
  
  public final DocType getDocType() ;
  public final Element getRootElement();
  public       void    setRootElement(Element root)
  public       void    setBaseURI(String URI);
  public final String  getBaseURI();
  
  public       void    insertChild(int position, Node c);
  public       void    removeChild(int position);
  public       void    removeChild(Node child);
  public final String  getValue() ;
  public final String  toXML();
  public       Node    copy();
  
}