content: /*
   * Copyright (c) 2004 World Wide Web Consortium,
   *
   * (Massachusetts Institute of Technology, European Research Consortium for
   * Informatics and Mathematics, Keio University). All Rights Reserved. This
   * work is distributed under the W3C(r) Software License [1] in the hope that
   * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   *
   * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
   */
  
  package mf.org.w3c.dom;
  
  /**
   * Each <code>Document</code> has a <code>doctype</code> attribute whose value
   * is either <code>null</code> or a <code>DocumentType</code> object. The
   * <code>DocumentType</code> interface in the DOM Core provides an interface
   * to the list of entities that are defined for the document, and little
   * else because the effect of namespaces and the various XML schema efforts
   * on DTD representation are not clearly understood as of this writing.
   * <p>DOM Level 3 doesn't support editing <code>DocumentType</code> nodes.
   * <code>DocumentType</code> nodes are read-only.
   * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
   */
  public interface DocumentType extends Node {
      /**
       * The name of DTD; i.e., the name immediately following the
       * <code>DOCTYPE</code> keyword.
       */
      String getName();
  
      /**
       * A <code>NamedNodeMap</code> containing the general entities, both
       * external and internal, declared in the DTD. Parameter entities are
       * not contained. Duplicates are discarded. For example in:
       * <pre>&lt;!DOCTYPE
       * ex SYSTEM "ex.dtd" [ &lt;!ENTITY foo "foo"&gt; &lt;!ENTITY bar
       * "bar"&gt; &lt;!ENTITY bar "bar2"&gt; &lt;!ENTITY % baz "baz"&gt;
       * ]&gt; &lt;ex/&gt;</pre>
       * the interface provides access to <code>foo</code>
       * and the first declaration of <code>bar</code> but not the second
       * declaration of <code>bar</code> or <code>baz</code>. Every node in
       * this map also implements the <code>Entity</code> interface.
       * <br>The DOM Level 2 does not support editing entities, therefore
       * <code>entities</code> cannot be altered in any way.
       */
      NamedNodeMap getEntities();
  
      /**
       * A <code>NamedNodeMap</code> containing the notations declared in the
       * DTD. Duplicates are discarded. Every node in this map also implements
       * the <code>Notation</code> interface.
       * <br>The DOM Level 2 does not support editing notations, therefore
       * <code>notations</code> cannot be altered in any way.
       */
      NamedNodeMap getNotations();
  
      /**
       * The public identifier of the external subset.
       *
       * @since DOM Level 2
       */
      String getPublicId();
  
      /**
       * The system identifier of the external subset. This may be an absolute
       * URI or not.
       *
       * @since DOM Level 2
       */
      String getSystemId();
  
      /**
       * The internal subset as a string, or <code>null</code> if there is none.
       * This is does not contain the delimiting square brackets.
       * <p ><b>Note:</b> The actual content returned depends on how much
       * information is available to the implementation. This may vary
       * depending on various parameters, including the XML processor used to
       * build the document.
       *
       * @since DOM Level 2
       */
      String getInternalSubset();
  
  }
  