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-revision 1.3 by wakaba,
Sun Dec  2 04:46:21 2007 UTC
+revision 1.31 by wakaba,
Sun Jun 15 08:08:05 2008 UTC
 Line 3
  <head>
  <title>DOM Document Type Definition Module</title>
  <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec">
+ <link rel="stylesheet" href="http://suika.fam.cx/www/style/def/dom">
  <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">
  </head>
  <body class="has-abstract">
  <div class="header">
  <h1>DOM Document Type Definition Module</h1>
- <h2>Working Draft <time datetime=2007-12-01>1 December 2007</time></h2>
+ <h2><!-- First Edition -->Working Draft
+ <time datetime=2008-06-15>15 June 2008</time></h2>
  <dl class="versions-uri">
  <dt>This Version</dt>
+ <!--
+   <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209"
+       >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209</a>&gt;</code></dd>
+ -->
    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work"
        >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work</a>&gt;</code></dd>
  <dt>Latest Version</dt>
-Line 21
+Line 27
  <dt>Latest Working Draft</dt>
    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work"
        >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work</a>&gt;</code></dd>
- <!-- <dt>Previous Version</dt> -->
+ <dt>Previous Stable Version</dt>
+   <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209"
+       >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209</a>&gt;</code></dd>
  <dt>Version History</dt>
    <dd><code class=URI>&lt;<a href="http://suika.fam.cx/gate/cvs/markup/xml/domdtdef/domdtdef-work.en.html">http://suika.fam.cx/gate/cvs/markup/xml/domdtdef/domdtdef-work.en.html</a>&gt;</code></dd>
  <dt id=author>Author</dt>
-Line 31
+Line 39
        >w@suika.fam.cx</a>&gt;</code></dd>
  </dl>
- <p class="copyright" lang="en">&#xA9; <time>2007</time> <a
+ <p class="copyright" lang="en">&#xA9; <time>2007</time>$B!>(B<time>2008</time> <a
      href="http://suika.fam.cx/~wakaba/who?" rel="author">Wakaba</a>.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the <a rel="license"
-Line 49 
 available at <code class="URI">&lt;<a
+Line 57 
 available at <code class="URI">&lt;<a
  <div id="abstract" class="section">
  <h2>Abstract</h2>
- <div class="ed issue">...</div>
+ <p>The <abbr>DOM</abbr> Document Type Definition module is a set of
+ <abbr>DOM</abbr> interfaces, including both new interfaces and modifications
+ to existing <abbr>DOM</abbr> interfaces, over which <abbr>DOM</abbr>
+ applications are able to access to the definitions of the document type.</p>
  </div>
  <div id="status" class="section">
  <h2>Status of This Document</h2>
- <p class=section-info><em>This section describes the status of this document
+ <p class=section-info>This section describes the status of this document at the
- at the time of its publication.  Other documents
+ time of its publication.  Other documents might supersede this document.</p>
- might supersede this document.</em></p>
+ <p>This document is a specification<!-- working draft -->,
- <p>This document is a working draft, produced as part of the
+ produced as part of the
- <a href="http://suika.fam.cx/www/manakai-core/doc/web/">manakai</a>
+ <a href="http://suika.fam.cx/www/manakai-core/doc/web/">manakai</a> project.
- project.  It might be updated, replaced, or obsoleted by
+ It might be updated, replaced, or obsoleted by other documents at any time.
- other documents at any time.  It is inappropriate to
+ <!-- It is inappropriate to cite this document as other than
- cite this document as other than <q>work in progress</q>.</p>
+ <q>work in progress</q>. --></p>
  <p>Comments on this document are welcome and
  may be sent to the <a href="#author">author</a>.</p>
- <p>Translations of thie document might be available.
+ <p>Translations of this document might be available.
  The English version of the document is the only
  normative version.</p>
  </div>
-Line 79 
 normative version.</p>
+Line 89 
 normative version.</p>
  <p class=section-info>This section is <em>non$B!>(Bnormative</em>.</p>
- <div class="issue ed">
- <p>This is a work-in-progress specification for DOM Document Type
- Definition module, as implemented by manakai and
- <a href="http://suika.fam.cx/gate/2005/sw/DOM%20XML%20Document%20Type%20Definition">partially documented in the SuikaWiki</a>.</p>
- </div>
  <p>The <dfn id=term-dom-dtdef><abbr>DOM</abbr> Document Type Definition</dfn>
  module is a set of <abbr>DOM</abbr> interfaces, including both new
  interfaces and modifications to existing <abbr>DOM</abbr> interfaces,
  over which <abbr>DOM</abbr> applications are able to access to the
  definitions of the document type.</p>
- <p>Interfaces defined in this specification are partially modeled from
+ <p>Interfaces defined in this document are partially modeled and inspired by
- early drafts of <abbr>DOM</abbr> level 1 <span class=ed>@@ ref</span>,
+ early drafts of <abbr>DOM</abbr> Level 1
- <abbr>DOM</abbr> Abstract Schema level 3 <span class=ed>@@ ref</span>, and
+ <cite class="bibref informative">[<a href="#ref-DOM1WD">DOM1WD</a>]</cite>,
- <abbr>XML</abbr> Schema <abbr>API</abbr>, but are not compatible with
+ <abbr>DOM</abbr> Level 3 Abstract Schemas <abbr>W3C</abbr> Note
- any of them as a whole.</p>
+ <cite class="bibref informative">[<a href="#ref-DOM3AS">DOM3AS</a>]</cite>,
+ and <abbr>XML</abbr> Schema <abbr>API</abbr> specification
+ <cite class="bibref informative">[<a href="#ref-XSAPI">XSAPI</a>]</cite>, but
+ they are not compatible with any of them as a whole.</p>
  </div>
- <div class="section" id="terminology">
+ <div class="section" id=conformance>
- <h2>Terminology</h2>
+ <h2>Conformance Requirements</h2>
+ <div class=section id=terminology>
+ <h3>Terminology</h3>
+ <p>All examples and notes in this specification are non$B!>(Bnormative,
+ as are all sections explicitly marked non$B!>(Bnormative.</p>
+ <p class=ed>Known issues are marked like this.  They are non$B!>(Bnormative.  <!--
+ However, this paragraph itself is normative.  One may argue that this paragraph
+ is non$B!>(Bnormative, because this paragraph is marked as an editor's note.
+ Anyway, the other editor's notes are non$B!>(Bnormative. --></p>
+ <p>Everything else in this document is normative.</p>
  <p>The key words <q><em class="rfc2119">MUST</em></q>,
- <q><em class="rfc2119">MUST NOT</em></q>,
+ <q><em class="rfc2119">MUST NOT</em></q>, and <q><em class=rfc2119>MAY</em></q>
- <q><em class="rfc2119">SHOULD</em></q>,
+ in this document are to be interpreted as described in
- <q><em class="rfc2119">SHOULD NOT</em></q>, and
- <q><em class=rfc2119>MAY</em></q> in this
- document are to be interpreted as described in
  <a href="urn:ietf:rfc:2119"><abbr title="Request for Comments">RFC</abbr>
 </a>
  <cite class="bibref normative">[<a href="#ref-KEYWORDS">KEYWORDS</a>]</cite>.</p>
- <!-- Strictly speaking the paragraph below is not part of terminology. -->
+ <p>Conformance requirements phrased as algorithms or specific steps
- <p>All examples and notes in this specification are non$B!>(Bnormative,
+ <em class=rfc2119>MAY</em> be implemented in any manner, so long as the end
- as are all sections explicitly marked non$B!>(Bnormative.  Everything
+ result is equivalent.  Requirements phrased in the imperative as part of
- else in this specification is normative.</p>
+ algorithms are to be interpreted with the meaning of the key word used in
+ introducing the algorithm.</p>
- <p><span class=ed>Algorithm is normative but non-normative</span>.
- In addition, the order in which <a href="#errors">errors</a> are
+ <p>Sometimes an exception is phrased as being required to be raised.  As
- raised is undefined.</p>
+ specified in the <abbr>DOM</abbr> Core specification
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>,
+ when the value of the <code>strictErrorChecking</code> attribute of the
+ <a href="#Document"><code>Document</code></a> node is <code>false</code>,
+ then the exception is not have to be raised.</p>
+ <p>Some conformance requirements are phrased as requirements on interfaces,
+ attributes, methods, or objects.  Such requirements are applied to
+ implementations.</p>
+ <p>The construction <q>a <code><var>Foo</var></code> object</q>, where
+ <code><var>Foo</var></code> is an interface, is used instead of the more
+ accurate <q>an object implementing the interface
+ <code><var>Foo</var></code></q>.</p>
+ <p>The construction <q>raise a <code><var>Bar</var></code></q>, where
+ <code><var>Bar</var></code> is an exception code, is used instead of the more
+ accurate <q>raise an exception implementing the interface
+ <code>DOMException</code>
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
+ with its <code>code</code> attribute set to
+ <code><var>Bar</var></code></q>.</p>
+ <p>The terms
+ <em id=live><a href="http://www.whatwg.org/specs/web-apps/current-work/#live">live</a></em>
+ and <em id=setting>setting</em> and <em id=getting>getting</em> of an attribute
+ is defined in the HTML5 specification
+ <cite class="bibref normative">[<a href="#ref-HTML5">HTML5</a>]</cite>.</p>
+ <p>The term
+ <em id=read-only><a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/glossary.html#dt-readonly-node">read$B!>(Bonly (node)</a></em>
+ is defined in the <abbr>DOM</abbr> Level 3 Core specification
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
+ <p>The <em id=idl-fragment><abbr>IDL</abbr> fragments</em> in this document are
+ to be interpreted as described in the <cite>Language Bindings for
+ <abbr>DOM</abbr> Specifications</cite> specification
+ <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.</p>
+ <p>Some <abbr>IDL</abbr> fragments are presented as <i>patch</i> to an
+ <abbr>IDL</abbr> fragment defined in another document.  They are to be
+ interpreted as an instance of
+ <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMembers"><code>InterfaceMembers</code></a>
+ <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.
+ If the <abbr>IDL</abbr> fragment to which the <i>patch</i> is applied has any
+ instance of
+ <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
+ with same
+ <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#prod-identifier"><code>identifier</code></a>
+ part as that of an instance of
+ <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
+ in the <i>patch</i>, then the former instance of
+ <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
+ <em class=rfc2119>MUST</em> be ignored.</p>
+ </div>
- <p class=ed><var>A</var> object is an object implementing <var>A</var>
+ <div class=section id=conformance-categories>
- interface.</p>
+ <h3>Conformance Categories</h3>
- <p class=ed>@@ ref to DOM Binding Spec</p>
+ <p>There are several kinds of products that can be claim to conform to
+ this specification:</p>
+ <dl>
+ <dt id=category-dom-implementation><abbr>DOM</abbr> Implementation</dt>
+   <dd>A <abbr>DOM</abbr> implementation (or just written as
+   <q>implementation</q> in this document) provides a way to access
+   <abbr>DOM</abbr> trees for applications by implementing interfaces defined
+   by this and other documents.  Unless otherwise noted, requirements in this
+   document are applied to <abbr>DOM</abbr> implementations.  To implement
+   all the features in this document, the implementation have to implement
+   some version of <abbr>DOM</abbr> Core (e.g. <abbr>DOM</abbr> Level 3 Core
+   <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>)
+   with one or more language binding (e.g. ECMAScript and Java bindings
+   <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>
+   or Perl binding
+   <cite class="bibref normative">[<a href="#ref-DOMPERL">DOMPERL</a>]</cite>).
+   A conforming implementation <em class=rfc2119>MUST</em> also be a
+   <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#dfn-conforming-implementation">conforming
+   implementation</a> of the <abbr>IDL</abbr> fragments in this document, as
+   described in the <cite>Language Bindings for <abbr>DOM</abbr>
+   Specifications</cite> specification
+   <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.</dd>
+ <dt id=category-xml-parser><abbr>XML</abbr> Parser (<abbr>XML</abbr> document
+ to <abbr>DOM</abbr> tree converter)</dt>
+   <dd>A software component that converts
+   <abbr>XML</abbr> 1.0 or 1.1 document
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite> (or fragment thereof) into a
+   <abbr>DOM</abbr> tree (or fragment thereof) in the context of this
+   document.  Note that this document does not define any particular way to
+   parse an <abbr>XML</abbr> document or to construct an <abbr>DOM</abbr>
+   document, but it defines constraints for such processing.</dd>
+ <dt id=category-xml-serializer><abbr>XML</abbr> Serializer (<abbr>DOM</abbr>
+ tree to <abbr>XML</abbr> document converter)</dt>
+   <dd>A software component that converts
+   <abbr>DOM</abbr> tree (or fragment thereof) into an <abbr>XML</abbr> 1.0 or
+.1 document (or fragment thereof).  Note that this document does not define
+   any particular way to serialize a <abbr>DOM</abbr> tree, but it defines
+   constraints for such processing.</dd>
+ <dt id=category-infoset-dom><abbr>XML</abbr> Information Set to
+ <abbr>DOM</abbr> Tree Converter</dt>
+   <dd>A software component that converts an <abbr>XML</abbr> information set
+   <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>
+   into a <abbr>DOM</abbr> tree.  Note that this document does not define
+   any particular way for the conversion, but it defines constraints for
+   such processing.</dd>
+ <dt id=category-dom-infoset><abbr>DOM</abbr> Tree to <abbr>XML</abbr>
+ Information Set Converter</dt>
+   <dd>A software component that converts a <abbr>DOM</abbr> tree into
+   an <abbr>XML</abbr> information set.  Note that this document does not define
+   any particular way for the conversion, but it defines constraints for
+   such processing.</dd>
+ </dl>
+ </div>
  </div>
  <div class=section id=dom-dtdef>
  <h2><abbr>DOM</abbr> Document Type Definition Module</h2>
  <p>The <abbr>DOM</abbr> Document Type Definition module, version 3.0,
- consists of three interfaces:</p>
+ introduces four interfaces:
- <ul>
+ <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a>,
- <li><a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a></li>
+ <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>,
- <li><a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a></li>
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
- <li><a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a></li>
+ and <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>.
- <li><a href="#AttributeDefinition"><code>AttributeDefinition</code></a></li>
+ In addition, it modifies existing interfaces
- </ul>
- <p>In addition, it adds methods, attributes, and/or constants to interfaces
  <a href="#Node"><code>Node</code></a>,
- <a href="#Entity"><code>Entity</code></a>,
+ <a href="#Document"><code>Document</code></a>,
- <a href="#EntityReference"><code>EntityReference</code></a>, and
+ <a href="#DocumentType"><code>DocumentType</code></a>,
- <a href="#Notation"><code>Notation</code></a>.
+ <a href="#Entity"><code>Entity</code></a>, and
- It modifies semantics of some of methods and attributes in
+ <a href="#Notation"><code>Notation</code></a>
- <a href="#Node"><code>Node</code></a> and
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
- <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
- interfaces, for the support of new interfaces.</p>
  <div class=section id=features>
- <h3>Feature Name</h3>
+ <h3>Feature String</h3>
  <p>In a <abbr>DOM</abbr> implementation that supports the version 3.0 of
  the <abbr>DOM</abbr> Document Type Definition module, the
  <code>hasFeature</code> method of a <code>DOMImplementation</code> object
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
  <em class=rfc2119>MUST</em> return <code>true</code> when the parameters are
- set to <code>http://suika.fam.cx/www/2006/feature/XDoctype</code> and
+ set to
- <code>3.0</code> respectively.</p>
+ <dfn id=feature-XDoctype><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></dfn>
+ and <dfn id=feature-XDoctype-3.0><code>3.0</code></dfn> respectively.  Any
+ method that takes one or more feature names, with or without version number,
+ such as <code>hasFeature</code> or <code>getFeature</code>,
+ <em class=rfc2119>MUST</em> behave in a manner consistent with it.</p>
+ </div>
+ <div class=section id=section-node>
+ <h3>Modifications to the <code id=Node>Node</code> Interface</h3>
+ <p>The implementation of the
+ <a href="#Node"><code>Node</code></a> interface
+ <em class=rfc2119>MUST</em> be modified as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>// Additions to the Node interface
+ // Additions to the NodeType definition group
+ const unsigned short <a href="#ELEMENT_TYPE_DEFINITION_NODE">ELEMENT_TYPE_DEFINITION_NODE</a> = 81001;
+ const unsigned short <a href="#ATTRIBUTE_DEFINITION_NODE">ATTRIBUTE_DEFINITION_NODE</a> = 81002;
+ </pre>
+ <p>This specification adds two new types (subinterfaces) of
+ <a href="#Node"><code>Node</code></a>: element type definition (node type
+ <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>,
+ interface
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) and
+ attribute definition (node type
+ <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>,
+ interface
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).  For
+ these kinds of nodes, methods and attributes in the
+ <a href="#Node"><code>Node</code></a> interface must behave as following:</p>
+ <dl>
+ <dt><code id=attributes>attributes</code>,
+ <code id=localName>localName</code>,
+ <code id=namespaceURI>namespaceURI</code>, and
+ <code id=prefix>prefix</code></dt>
+   <dd>
+     <p>On getting, the attributes <em class=rfc2119>MUST</em> return
+     <code>null</code>.</p>
+   </dd>
+ <dt><code id=baseURI>baseURI</code></dt>
+   <dd>
+     <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+     value of the <a href="#baseURI"><code>baseURI</code></a> attribute
+     of the node in the <code>ownerDocument</code> attribute of the node.
+     Note that the value might be <code>null</code>.</p>
+   </dd>
+ <dt><code id=cloneNode>cloneNode</code></dt>
+   <dd class=ed>
+     <p>A future version of the specification is expected to define the
+     behavior of the <a href="#cloneNode"><code>cloneNode</code></a> method
+     for those kinds of nodes.  In addition, it might revise behavior of
+     the method for <a href="#Entity"><code>Entity</code></a>,
+     <a href="#Notation"><code>Notation</code></a>, and/or
+     <a href="#DocumentType"><code>DocumentType</code></a> nodes.</p>
+   </dd>
+   <!--
+   <dd class=ed>@@ If Attr and AttributeDefinition is inconsistent, then ...</dd>
+   -->
+ <dt><code id=compareDocumentPosition>compareDocumentPosition</code></dt>
+   <dd class=ed>
+     <p>A future version of the specification is expected to define the
+     behavior of the method
+     for those kinds of nodes.  In addition, it might revise behavior of
+     the method for <a href="#Entity"><code>Entity</code></a>,
+     <a href="#Notation"><code>Notation</code></a>, and/or
+     <a href="#DocumentType"><code>DocumentType</code></a> nodes.</p>
+   </dd>
+ <dt><code id=isDefaultNamespace>isDefaultNamespace</code></dt>
+   <dd><p>When invoked, the method <em class=rfc2119>MUST</em> return
+   <code>false</code>.</p></dd>
+ <dt><code id=isEqualNode>isEqualNode</code></dt>
+   <dd><p>For the <a href="#isEqualNode"><code>isEqualNode</code></a> method,
+   following items are added to the list of conditions for equality:</p>
+   <ul>
+   <li>
+     <p>If the nodes are <a href="#DocumentType"><code>DocumentType</code></a>
+     and at least one of them has the support for the feature
+     <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>:</p>
+     <ul>
+     <li>they are equal according to <abbr>DOM</abbr> Level 3 Core definition
+     <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>,
+     and
+     <li>either:
+       <ul><!--
+       <li>both of them does not support the feature
+       <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>,</li>-->
+       <li>exactly one of them support the feature
+       <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
+       and the <code>length</code> attribute of the <code>NamedNodeMap</code>
+       object in the <a href="#elementTypes"><code>elementTypes</code></a>
+       attribute of it is equal to <code>0</code>, or</li>
+       <li>both of them support the feature
+       <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
+       and the values of the
+       <a href="#elementTypes"><code>elementTypes</code></a> attributes are
+       equal (equality of the
+       <a href="#elementTypes"><code>elementTypes</code></a> attribute is same
+       as that for the <code>attributes</code> attribute).</li>
+       </ul>
+     </li>
+     </ul>
+   </li>
+   <li><p>If the nodes are
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
+   the values of the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attributes are equal (equality of the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute is same as that for the <code>attributes</code> attribute).</p></li>
+   <li><p>If the nodes are
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>,
+   the values of the <a href="#declaredType"><code>declaredType</code></a> and
+   the <a href="#defaultType"><code>defaultType</code></a> attributes are
+   equal respectively.</p></li>
+   <li><p>If the nodes are
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>,
+   the values of the <code>DOMStringList</code> objects in the
+   <a href="#allowedTokens"><code>allowedTokens</code></a> attributes
+   are equal, i.e. their <code>length</code> attribute values are equal and
+   each string exists in a list is contained in another list (their indecies
+   may be different), with an additional constraint that the number of the
+   items that are equal to a string in a list is equal to the number
+   of the items equal to the string in another list.</p></li>
+   </ul></dd>
+ <dt><code id=manakaiLocalName>manakaiLocalName</code>
+ <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
+   <dd><p class=section-info>This entry is applied only to implementations
+   that support this attribute.</p>
+   <p>On getting, the attributes <em class=rfc2119>MUST</em> return
+   <code>null</code>.</p></dd>
+ <dt><code id=lookupNamespaceURI>lookupNamespaceURI</code> and
+ <code id=lookupPrefix>lookupPrefix</code></dt>
+   <dd><p>When invoked, the methods <em class=rfc2119>MUST</em> return
+   <code>null</code>.</p></dd>
+ <dt><code id=nodeName>nodeName</code></dt>
+   <dd>
+     <p>If the node is an
+     <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
+     On getting, the attribute <em class=rfc2119>MUST</em> return the
+     name of the element type definition represented by the node.</p>
+     <p>If the node is an
+     <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
+     On getting, the attribute <em class=rfc2119>MUST</em> return the
+     name of the attribute definition represented by the node.</p>
+   </dd>
+ <dt><code id=nodeType>nodeType</code></dt>
+   <dd>
+     <p>On getting, the attribute <!--<em class=rfc2119>MUST</em>--> returns
+     <!-- NOTE: No MUST, to avoid circular reference (nodeType==8100[12]
+     is defined that they MUST implement ElementType|AttributeDefinition). -->
+     <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
+     (if the node is an
+     <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) or
+     <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
+     (if the node is an
+     <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).</p>
+     <!-- NodeType -->
+ <p>Two constants are added to the <code id=NodeType>NodeType</code>
+ definition group of the <a href="#Node"><code>Node</code></a> interface as
+ following:</p>
+ <table>
+ <thead>
+ <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
+ </thead>
+ <tbody>
+ <tr>
+ <th scope=row><dfn id=ELEMENT_TYPE_DEFINITION_NODE class=dom-const><code>ELEMENT_TYPE_DEFINITION_NODE</code></dfn>
+ <td><code>81001</code><td>The node is an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>.</tr>
+ <tr>
+ <th scope=row><dfn id=ATTRIBUTE_DEFINITION_NODE class=dom-const><code>ATTRIBUTE_DEFINITION_NODE</code></dfn>
+ <td><code>81002</code><td>The node is an
+ <a href="#ElementTypeDefinition"><code>AttributeDefinition</code></a>.</tr>
+ </tbody>
+ </table>
+   </dd>
+ <dt><code id=nodeValue>nodeValue</code> and
+ <code id=textContent>textContent</code></dt>
+   <dd>
+     <p>If the node is an
+     <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
+     On getting, the attributes <em class=rfc2119>MUST</em> return
+     <code>null</code>.</p>
+   <div class="note memo">
+   <p>Thus, on setting the attributes does nothing
+   <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
+   </div>
+   <p>If the node is an
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
+   The attribute <em class=rfc2119>MUST</em> behave as if the node
+   were <code>Attr</code>
+   <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p></dd>
+ <dt><code id=normalize>normalize</code></dt>
+   <dd><p>When a <a href="#DocumentType"><code>DocumentType</code></a> is
+   normalized, any nodes in the <code>NamedNodeMap</code> object in the
+   <a href="#elementTypes"><code>elementTypes</code></a> attribute
+   <em class=rfc2119>MUST</em> be normalized as well.</p>
+   <p>When an
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
+   is normalized, any nodes in the <code>NamedNodeMap</code> object in the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute <em class=rfc2119>MUST</em> be normalized as well.</p></dd>
+ </dl>
+ </div>
+ <div class=section id=section-document>
+ <h3>Modifications to the <code id=Document>Document</code> Interface</h3>
+ <!--
+ <p>If an attempt is made to adopt an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> or
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node,
+ the <code id=adoptNode>adoptNode</code> method <em class=rfc2119>MUST</em>
+ raise a <code>NOT_SUPPORTED_ERR</code> exception <span class=ed>@@
+ ref</span>.</p>
+ -->
+ <div class=ed>
+ <p>Future version of the specification is expected to define what should
+ be done if <code>adoptNode</code> or <code>importNode</code> method have to
+ adopt or import an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> or
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node.
+ In addition it might revise behavior of those methods for
+ <a href="#Entity"><code>Entity</code></a>,
+ <a href="#Notation"><code>Notation</code></a>, and/or
+ <a href="#DocumentType"><code>DocumentType</code></a> nodes.
+ Behavior of <code>normalizeDocument</code> method for these kinds of
+ nodes might also be defined in some day.</p>
+ </div>
+ </div>
+ <div class=section id=section-documentxdoctype>
+ <h3>The <code>DocumentXDoctype</code> Interface</h3>
+ <p>The <a href="#Document"><code>Document</code></a> nodes
+ <em class=rfc2119>MUST</em> also implement the
+ <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface.</p>
+ <p>An instance of the
+ <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a>
+ interface <em class=rfc2119>MUST</em> be able to be obtained by using
+ binding$B!>(Bspecific casting methods on an instance of the
+ <a href="#Document"><code>Document</code></a> interface (if such
+ casting methods are available) or by using the method <code>getFeature</code>
+ with parameter values
+ <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
+ and <a href="#feature-XDoctype-3.0"><code>3.0</code></a> respectively (if the
+ <a href="#Document"><code>Document</code></a> node supports the
+ feature <code>Core</code> version <code>3.0</code>
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>).</p>
+ <p>The <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface
+ <em class=rfc2119>MUST</em> be implemented as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {
+   DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>
+     (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)
+     raises (DOMException);
+   <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#createElementTypeDefinition">createElementTypeDefinition</a>
+     (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)
+     raises (DOMException);
+   <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#createAttributeDefinition">createAttributeDefinition</a>
+     (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)
+     raises (DOMException);
+   <a href="#Entity">Entity</a> <a href="#createGeneralEntity">createGeneralEntityDefinition</a>
+     (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)
+     raises (DOMException);
+   <a href="#Notation">Notation</a> <a href="#createNotation">createNotation</a>
+     (in DOMString <a href="#createNotation-name"><var>name</var></a>)
+     raises (DOMException);
+ }</code></pre>
+ <dl>
+ <dt><dfn id=createDocumentTypeDefinition class=dom-method><code>createDocumentTypeDefinition</code></dfn>,
+ method</dt>
+   <dd>
+     <p>This method creates a <code>DocumentType</code> node with the specified
+     name, belonging to the document.</p>
+     <p>The
+     <dfn id=createDocumentTypeDefinition-name class=dom-param><var>name</var></dfn>
+     parameter is the name of the document type.</p>
+     <p>When invoked, the method <em class=rfc2119>MUST</em> create and
+     return a <a href="#DocumentType"><code>DocumentType</code></a> node with
+     the following attributes:</p>
+     <dl>
+     <dt><code>attributes</code>, <code>parentNode</code></dt>
+       <dd><code>null</code>.</dd>
+     <dt><a href="#elementTypes"><code>elementTypes</code></a>,
+     <a href="#entities"><code>entities</code></a>, and
+     <a href="#notations"><code>notations</code></a></dt>
+       <dd>Empty <code>NamedNodeMap</code> objects respectively.</dd>
+     <dt><code>childNodes</code></dt>
+       <dd>An empty <code>NodeList</code> object.</dd>
+     <dt><a href="#internalSubset"><code>internalSubset</code></a>,
+     <a href="#publicId"><code>publicId</code></a>, and
+     <a href="#systemId"><code>systemId</code></a></dt>
+       <dd>Empty strings.</dd>
+     <dt><code>nodeName</code></dt>
+       <dd><a href="#createDocumentTypeDefinition-name"><var>name</var></a>.</dd>
+     <dt><code>ownerDocument</code></dt>
+       <dd>The <a href="#Document"><code>Document</code></a> node over which the
+       method is invoked.</dd>
+     </dl>
+     <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
+     <a href="#read-only">read$B!>(Bonly</a>.</p>
+     <p>In addition, the method <em class=rfc2119>MUST</em> be marked as
+     containing five general entity declarations: <code>amp</code>,
+     <code>lt</code>, <code>gt</code>, <code>quot</code>, and
+     <code>apos</code>.</p>
+   </dd>
+ <dt><dfn id=createElementTypeDefinition class=dom-method><code>createElementTypeDefinition</code></dfn>,
+ method</dt>
+   <dd>
+     <p>This method creates a <code>ElementTypeDefinition</code> node with the
+     specified name, belonging to the document.</p>
+     <p>The <dfn id=createElementTypeDefinition-name class=dom-param><var>name</var></dfn>
+     parameter is the name of the element type defined by the element
+     type definition.</p>
+     <p>When invoked, the method <em class=rfc2119>MUST</em> create and
+     return an
+     <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+     node with the following attributes:</p>
+     <dl>
+     <dt><a href="#attributeDefinitions"><code>attributeDefinitions</code></a></dt>
+       <dd>An empty <code>NamedNodeMap</code> object.</dd>
+     <dt><code>childNodes</code></dt>
+       <dd>An empty <code>NodeList</code> object.</dd>
+     <dt><a href="#nodeName"><code>nodeName</code></a></dt>
+       <dd><a href="#createElementTypeDefinition-name"><var>name</var></a>.</dd>
+     <dt><code>ownerDocument</code></dt>
+       <dd>The <code>Document</code> node over which the method is invoked.</dd>
+     <dt><a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+     and <code>parentNode</code></dt>
+       <dd><code>null</code>.</dd>
+     </dl>
+     <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
+     <a href="#read-only">read$B!>(Bonly</a>.</p>
+   </dd>
+ <dt><dfn id=createAttributeDefinition class=dom-method><code>createAttributeDefinition</code></dfn>,
+ method</dt>
+   <dd>
+     <p>This method creates a <code>AttributeDefinition</code> node with the
+     specified name, belonging to the document.</p>
+     <p>The <dfn id=createAttributeDefinition-name class=dom-param><var>name</var></dfn>
+     parameter is the name of the attribute defined by the attribute
+     definition.</p>
+     <p>When invoked, the method <em class=rfc2119>MUST</em> create and
+     return an
+     <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+     node with the following attributes:</p>
+     <dl>
+     <dt><a href="#allowedTokens"><code>allowedTokens</code></a></dt>
+       <dd>An empty <code>DOMStringList</code> object.</dd>
+     <dt><code>childNodes</code></dt>
+       <dd>An empty <code>NodeList</code> object.</dd>
+     <dt><a href="#declaredType"><code>declaredType</code></a></dt>
+       <dd><a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</dd>
+     <dt><a href="#defaultType"><code>defaultType</code></a></dt>
+       <dd><a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</dd>
+     <dt><a href="#nodeName"><code>nodeName</code></a></dt>
+       <dd><a href="#createAttributeDefinition-name"><var>name</var></a>.</dd>
+     <dt><code>ownerDocument</code></dt>
+       <dd>The <code>Document</code> node over which the method is invoked.</dd>
+     <dt><a href="#ownerElementTypeDefinition"><code>ownerElementTypeDefinition</code></a>
+     and <code>parentNode</code></dt>
+       <dd><code>null</code>.</dd>
+     </dl>
+     <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
+     <a href="#read-only">read$B!>(Bonly</a>.</p>
+     <!-- This requirement, if not droped, should be part of xml-id spec.
+     <div class=ed>
+     <p>@@ Should we keep these statements?:
+ However, if the &lt;cfg::cfg|xml-id> configuration
+ parameter is set to <code>true</code> and the <var>name</var>
+ is <code>xml:id</code>, then the [CODE(DOMa)@en[[[declaredType]]]]
+ attribute is set to <code>ID_ATTR</code>.
+ [CODE(DOMa)@en[[[defaultType]]]]?</p>
+     </div>-->
+   </dd>
+ <dt><dfn id=createGeneralEntity class=dom-method><code>createGeneralEntity</code></dfn>,
+ method</dt>
+   <dd>
+     <p>This method creates a <a href="#Entity"><code>Entity</code></a> node
+     with the specified name, which represents a general entity, belonging to
+     the document.</p>
+     <p>The <dfn id=createGeneralEntity-name class=dom-param><var>name</var></dfn>
+     parameter is the name of the general entity.</p>
+     <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
+     an <a href="#Entity"><code>Entity</code></a> node with the following
+     attributes:</p>
+     <dl>
+     <dt><code>childNodes</code></dt>
+       <dd>An empty <code>NodeList</code> object.</dd>
+     <dt><code>manakaiDeclarationBaseURI</code>,
+     <code>manakaiEntityBaseURI</code>, and <code>manakaiEntityURI</code>
+     <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
+       <dd><p class=section-info>This entry is applied only to implementations
+       that support these attributes.</p>
+       <p>No explicit value is set.</p></dd>
+     <dt><a href="#hasReplacementTree"><code>hasReplacementTree</code></a> and
+     <a href="#isExternallyDeclared"><code>isExternallyDeclared</code></a></dt>
+       <dd><p><code>false</code>.</p></dd>
+     <dt><code>nodeName</code></dt>
+       <dd><a href="#createGeneralEntity-name"><var>name</var></a>.</dd>
+       <dd>
+         <div class="note memo">
+           <p>It is not an error for
+           <a href="#createGeneralEntity-name"><var>name</var></a> matching
+           to the name of one of predefined general parsed entities in
+           <abbr>XML</abbr> or <abbr>HTML</abbr>.  For example,
+           <a href="#createGeneralEntity-name"><var>name</var></a> might be
+           <code>amp</code>, resulting in an
+           <a href="#Entity"><code>Entity</code></a> node
+           with its <code>nodeName</code> attribute set to <code>amp</code>.</p>
+         </div>
+       </dd>
+     <dt><a href="#notationName"><code>notationName</code></a>,
+     <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>,
+     and <code>parentNode</code></dt>
+       <dd><code>null</code>.</dd>
+     <dt><code>ownerDocument</code></dt>
+       <dd>The <code>Document</code> node over which the method is invoked.</dd>
+     <dt><a href="#publicId"><code>publicId</code></a> and
+     <a href="#systemId"><code>systemId</code></a></dt>
+       <dd><code>null</code>.</dd>
+       <dd class=ed>@@ publicId and systemId should be empty string?</dd>
+     </dl>
+   <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
+   <a href="#read-only">read$B!>(Bonly</a>.</p></dd>
+ <dt><dfn id=createNotation class=dom-method><code>createNotation</code></dfn>,
+ method</dt>
+   <dd>
+     <p>This method creates a <code>Notation</code> node with the
+     specified name, belonging to the document.</p>
+     <p>The <dfn id=createNotation-name class=dom-param><var>name</var></dfn>
+     parameter is the name of the notation.</p>
+     <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
+     a <code>Notation</code> node with the following attributes:</p>
+     <dl>
+     <dt><code>childNodes</code></dt>
+       <dd>An empty <code>NodeList</code> object.</dd>
+     <dt><code>manakaiDeclarationBaseURI</code>
+     <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
+       <dd><p class=section-info>This entry is applied only to implementations
+       that support these attributes.</p>
+       <p>No explicit value is set.</p></dd>
+     <dt><code>nodeName</code></dt>
+       <dd><a href="#createNotation-name"><var>name</var></a>.</dd>
+     <dt><code>ownerDocument</code></dt>
+       <dd><p>The <a href="#Document"><code>Document</code></a> node over which
+       the method is invoked.</p></dd>
+     <dt><a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+     and <code>parentNode</code></dt>
+       <dd><code>null</code>.</dd>
+     <dt><a href="#publicId"><code>publicId</code></a> and
+     <a href="#systemId"><code>systemId</code></a></dt>
+       <dd><code>null</code>.</dd>
+       <dd class=ed>@@ publicId and systemId should be empty string?</dd>
+     </dl>
+   <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
+   <a href="#read-only">read$B!>(Bonly</a>.</p></dd>
+ </dl>
+ <p>These methods <em class=rfc2119>MUST</em> raise an
+ <code>INVALID_CHARACTER_ERR</code> if <var>name</var> is <em>not</em> a legal
+ <code>Name</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite> according to the <abbr>XML</abbr>
+ version specified in the <code>xmlVersion</code> attribute of the
+ <a href="#Document"><code>Document</code></a> node.</p>
+ <div class="note memo">
+ <p>Non$B!>(B<abbr>XML</abbr> case is intentionally left unspecified for now,
+ since <abbr>DOM</abbr> Level 3 Core specification
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
+ does not define it for <a href="#Document"><code>Document</code></a>
+ methods.</p>
- <p>In such an implementation, the <code>getFeature</code> method of a
+ <p><var>name</var> does not have to be a namespace qualified name.</p>
- <code>Document</code> object <em class=rfc2119>MUST</em> return the (at least
- conceptually) same object implementing the
- <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface when
- the parameters are set to
- <code>http://suika.fam.cx/www/2006/feature/XDoctype</code> and
- <code>3.0</code> respectively.  Likewise, any method that takes one or more
- feature names with or without version number, including the methods
- <code>hasFeature</code> and <code>getFeature</code>,
- <em class=rfc2119>MUST</em> behave in a manner consistent with the
- aforementioned cases.</p>
  </div>
  </div>
+ <div class=section id=section-documenttype>
+ <h3>Modifications to the <code id=DocumentType>DocumentType</code>
+ Interface</h3>
+ <p>A <a href="#DocumentType"><code>DocumentType</code></a> interface
+ <em class=rfc2119>MAY</em> contain zero or more
+ <code>ProcessingInstruction</code> nodes in the <code>NodeList</code> object
+ contained in the <code>childNodes</code> attribute of the
+ <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+ <p>If the <a href="#DocumentType"><code>DocumentType</code></a> node is created
+ during the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr>
+ document, the <code>NodeList</code> object in the <code>childNodes</code>
+ object <em class=rfc2119>MUST</em> contains the
+ <code>ProcessingInstruction</code> nodes representing the processing
+ instructions in the document type definition of the document processed
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr> processor.  If
+ the <a href="#DocumentType"><code>DocumentType</code></a> node is marked as
+ <a href="#read-only">read$B!>(Bonly</a>, then all the child nodes
+ <em class=rfc2119>MUST</em> also be marked as
+ <a href="#read-only">read$B!>(Bonly</a>.</p>
+ <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is created
+ from a
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.doctype">document
+ type declaration information item</a>
+ <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>,
+ the <code>NodeList</code> object in the <code>childNodes</code> attribute
+ of the node <em class=rfc2119>MUST</em> contain the
+ <code>ProcessingInstruction</code> nodes created from any
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.pi">processing
+ instruction information items</a> in the list in the [children] property of the
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.doctype">document
+ type declaration item</a> in the same order.</p>
+ <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is mapped to
+ a document type declaration information item, the list in the [children]
+ property <em class=rfc2119>MUST</em> contain the processng instruction
+ information items created from the <code>ProcessingInstruction</code> nodes
+ in the <code>NodeList</code> object in the <code>childNodes</code> attribute
+ of the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+ <p>The implementation of the
+ <a href="#DocumentType"><code>DocumentType</code></a> interface
+ <em class=rfc2119>MUST</em> be modified as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>// Modifications to the DocumentType interface
+   attribute DOMString <a href="#publicId">publicId</a>;
+   attribute DOMString <a href="#systemId">systemId</a>;
+   attribute DOMString <a href="#internalSubset">internalSubset</a>;
+ </code></pre>
+ <p>The <code id=publicId>publicId</code> attribute and the
+ <code id=systemId>systemId</code> attribute of
+ <a href="#DocumentType"><code>DocumentType</code></a>,
+ <a href="#Entity"><code>Entity</code></a>, and
+ <a href="#Notation"><code>Notation</code></a> interfaces are no longer
+ read$B!>(Bonly.</p>
+ <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+ <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
+ <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
+ set the specified value as the value associated to the attribute.  No
+ normalization, relative reference resolution, or lexical validation is
+ performed. <span class=ed>@@ If the new value is <code>null</code>, should an
+ empty string be set?</span></p>
+ <div class="note memo">
+ <p>Setting an invalid identifier might make the node unserializable.
+ Setting a public identifier while leaving system identifier unspecified
+ would also make the <a href="#DocumentType"><code>DocumentType</code></a>
+ or <a href="#Entity"><code>Entity</code></a> node unserializable.</p>
+ </div>
+ <div class=ed>
+ <p>ISSUE: In HTML5, Firefox 1.5, and Opera 9, not specifying public or system identifier results in empty strings.</p>
+ </div>
+ <p>The <code id=internalSubset>internalSubset</code> attribute of the
+ <a href="#DocumentType"><code>DocumentType</code></a> interface is no longer
+ read$B!>(Bonly.</p>
+ <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+ <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
+ <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
+ set the specified value as the value associated to the attribute.  No
+ normalization, or lexical validation is performed.  <span class=ed>@@ If the
+ new value is <code>null</code>, should an empty string be set?</span></p>
+ </div>
+ <div class=section id=section-documenttypedefinition>
+ <h3>The <code>DocumentTypeDefinition</code> Interface</h3>
+ <p>The <a href="#DocumentType"><code>DocumentType</code></a> nodes
+ <em class=rfc2119>MUST</em> also implement the
+ <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
+ interface.</p>
+ <p>An instance of the
+ <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
+ interface <em class=rfc2119>MUST</em> be able to be obtained by using
+ binding$B!>(Bspecific casting methods on an instance of the
+ <a href="#DocumentType"><code>DocumentType</code></a> interface (if such
+ casting methods are available) or by using the method <code>getFeature</code>
+ with parameter values
+ <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
+ and <a href="#feature-XDoctype-3.0"><code>3.0</code></a> respectively (if the
+ <a href="#DocumentType"><code>DocumentType</code></a> node supports the
+ feature <code>Core</code> version <code>3.0</code>
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>).</p>
+ <p>The
+ <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
+ interface <em class=rfc2119>MUST</em> be implemented as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {
+   readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;
+   readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;
+   readonly attribute NamedNodeMap <a href="#notations">notations</a>;
+   <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#getElementTypeDefinitionNode">getElementTypeDefinitionNode</a>
+     (in DOMString <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>);
+   <a href="#Entity">Entity</a> <a href="#getGeneralEntityNode">getGeneralEntityNode</a>
+     (in DOMString <a href="#getGeneralEntityNode-name"><var>name</var></a>);
+   <a href="#Notation">Notation</a> <a href="#getNotationNode">getNotationNode</a>
+     (in DOMString <a href="#getNotationNode-name"><var>name</var></a>);
+   void <a href="#setElementTypeDefinitionNode">setElementTypeDefinitionNode</a>
+     (in DOMString <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>)
+     raises (DOMException);
+   void <a href="#setGeneralEntityNode">setGeneralEntityNode</a>
+     (in DOMString <a href="#setGeneralEntityNode-node"><var>node</var></a>)
+     raises (DOMException);
+   void <a href="#setNotationNode">setNotationNode</a>
+     (in DOMString <a href="#setNotationNode-node"><var>node</var></a>)
+     raises (DOMException);
+ }</code></pre>
+ <dl>
+ <dt><dfn id=elementTypes class=dom-attr><code>elementTypes</code></dfn> of
+ type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
+   <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
+   contains all the element type definitions belonging to the
+   <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   <code>NamedNodeMap</code> object that contains all the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   nodes belonging to the <code>DocumentType</code> node.  The
+   <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be read$B!>(Bonly
+   if and only if the node is <a href="#read-only">read$B!>(Bonly</a>.  The
+   <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
+   <a href="#live">live</a>.</p>
+   <p>If the <code>DocumentType</code> node is created during the process
+   to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, the following
+   requirements are applied:  The <code>NamedNodeMap</code> object in the
+   <a href="#elementTypes"><code>elementType</code></a> attribute
+   <em class=rfc2119>MUST</em> be so transformed that the object contains
+   the <code>ElementTypeDefinition</code> nodes for the element types
+   whose name is presented as the <code>Name</code> of the element type or
+   attribute definition list declarations processed
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr>
+   processor.  If there are more than one element type declarations for an
+   element type, then the declarations other than the first one
+   <em class=rfc2119>MUST</em> be ignored for the purpose of constructing the
+   <code>NamedNodeMap</code> object.</p></dd>
+ <dt><dfn id=generalEntities class=dom-attr><code>generalEntities</code></dfn>
+ of type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
+   <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
+   contains all the general entities belonging to the
+   <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   same value as the <code id=entities>entities</code> attribute (defined in the
+   <a href="#DocumentType"><code>DocumentType</code></a> interface) of the same
+   node.</p>
+   <div class="note memo">
+     <p>This attribute is part of the interface for historical reason.</p>
+   </div></dd>
+ <!--
+ All entities declared in the document type definition
+ contained in or referenced from the document entity
+ might not be exposed through this collection, depending
+ on the information provided by the XML processor for
+ the DOM implementation.  In particular, it might not
+ contain any entity if entity references are expanded
+ at the parse time.  An implementation [['''MUST NOT''']]
+ expose an [CODE(DOMi)@en[[[Entity]]]] node whose [CODE(DOMa)@en[[[nodeName]]]]
+ is equal to the name of one of five predefined general entities in
+ XML through the collection as the result of parsing of an XML
+ document that has no error.  Duplicate entity declarations are also discarded.
+ The attribute [['''MUST''']] return the [CODE(DOMi)@en[[[NamedNodeMap]]]]
+ object that contains all the [CODE(DOMi)@en[[[Entity]]]] nodes
+ representing general entities belong to the node.  The returned
+ [CODE(DOMi)@en[[[NamedNodeMap]]]] object [['''MUST''']] be read-only if and only if
+ the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
+ and therefore any change of read-only flag on the node is immediately
+ reflected by that of the object.
+ -->
+ <dt><dfn id=notations class=dom-attr><code>notations</code></dfn> of type
+ <code>NamedNodeMap</code>, read$B!>(Bonly</code>
+   <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
+   contains all the notations belonging to the
+   <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   same value as the <code>notations</code> attribute (defined in the
+   <a href="#DocumentType"><code>DocumentType</code></a> interface) of the same
+   node.</p>
+   <div class="note memo">
+     <p>This attribute is part of the interface for historical reason.</p>
+     <p>Implementations are not required to implement the
+     <code>notations</code> attribute twice (for
+     <a href="#DocumentType"><code>DocumentType</code></a> and
+     <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
+     interfaces); they share exactly same definition.</p>
+   </div></dd>
+ <!--
+ If the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node is
+ created from an XML document, duplicate notation declarations, if any, in DTD
+ [['''MUST NOT''']] result in a node in the [CODE(DOMi)@en[[[NamedNodeMap]]]]
+ object and only the first declaration [['''MUST''']] be
+ made available as a [CODE(DOMi)@en[[[Notation]]]] node.
+ ;; This definition is based on one for the
+ [CODE(DOMa)@en[[[notations]]]] attribute of the
+ [CODE(DOMi)@en[[[DocumentType]]]] interface in DOM XML module.
+ Since duplication is violation to the Validity Constraint,
+ XML parsers might vary on how notations are notified to
+ the application.  In particular, [CODE(InfoProp)@en[[[notations]]]]
+ property of the document information item in XML Information Set
+ is so defined that in case ''any'' notation is declared for
+ multiple times then the property has no value.
+ The attribute [['''MUST''']] return the [CODE(DOMi)@en[[[NamedNodeMap]]]]
+ object that contains all the [CODE(DOMi)@en[[[Notation]]]] nodes
+ representing notations belong to the node.  The returned
+ [CODE(DOMi)@en[[[NamedNodeMap]]]] object [['''MUST''']] be read-only if and only if
+ the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
+ and therefore any change of read-only flag on the node is immediately
+ reflected by that of the object.
+ -->
+ <dt><dfn id=getElementTypeDefinitionNode class=dom-method><code>getElementTypeDefinitionNode</code></dfn>,
+ method</dt>
+   <dd><p>Returns the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
+   with the specified name.</p>
+   <p>The
+   <dfn id=getElementTypeDefinitionNode-name class=dom-param><var>name</var></dfn>
+   parameter is the name of the element type.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> return the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
+   whose <a href="#nodeName"><code>nodeName</code></a> is equal to
+   <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>, in the
+   <code>NamedNodeMap</code> object in the
+   <a href="#elementTypes"><code>elementTypes</code></a> attribute of the
+   node.  If there is no such node, it <em class=rfc2119>MUST</em> return
+   <code>null</code>.</p></dd>
+ <dt><dfn id=getGeneralEntityNode class=dom-method><code>getGeneralEntityNode</code></dfn>,
+ method</dt>
+   <dd><p>Returns the <a href="#Entity"><code>Entity</code></a> node
+   with the specified name.</p>
+   <p>The
+   <dfn id=getGeneralEntityNode-name class=dom-param><var>name</var></dfn>
+   parameter is the name of the general entity.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> return the
+   <a href="#Entity"><code>Entity</code></a> node,
+   whose <a href="#nodeName"><code>nodeName</code></a> is equal to
+   <a href="#getGeneralEntityNode-name"><var>name</var></a>, in the
+   <code>NamedNodeMap</code> object in the
+   <a href="#entities"><code>entities</code></a> attribute of the
+   node.  If there is no such node, it <em class=rfc2119>MUST</em> return
+   <code>null</code>.</p></dd>
+ <dt><dfn id=getNotationNode class=dom-method><code>getNotationNode</code></dfn>,
+ method</dt>
+   <dd><p>Returns the <a href="#Notation"><code>Notation</code></a> node
+   with the specified name.</p>
+   <p>The
+   <dfn id=getNotationNode-name class=dom-param><var>name</var></dfn>
+   parameter is the name of the notation.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> return the
+   <a href="#Notation"><code>Notation</code></a> node,
+   whose <a href="#nodeName"><code>nodeName</code></a> is equal to
+   <a href="#getNotationNode-name"><var>name</var></a>, in the
+   <code>NamedNodeMap</code> object in the
+   <a href="#notations"><code>notations</code></a> attribute of the
+   node.  If there is no such node, it <em class=rfc2119>MUST</em> return
+   <code>null</code>.</p></dd>
+ <dt><dfn id=setElementTypeDefinitionNode class=dom-method><code>setElementTypeDefinitionNode</code></dfn>,
+ method</dt>
+   <dd><p>Associate an
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>The
+   <dfn id=setElementTypeDefinitionNode-node class=dom-param><var>node</var></dfn>
+   parameter is the node to associate.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
+   to <a href="#algorithm-attach-node">attach a node</a>, where
+   <a href="#attach-node-n"><var>n</var></a> is the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-l"><var>l</var></a> is the
+   <a href="#elementTypes"><code>elementTypes</code></a> attribute value of the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-node"><var>node</var></a> is the
+   <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>, and
+   <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
+   <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+   attribute.</p></dd>
+ <dt><dfn id=setGeneralEntityNode class=dom-method><code>setGeneralEntityNode</code></dfn>,
+ method</dt>
+   <dd><p>Associate an <a href="#Entity"><code>Entity</code></a>
+   node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>The
+   <dfn id=setGeneralEntityNode-node class=dom-param><var>node</var></dfn>
+   parameter is the node to associate.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
+   to <a href="#algorithm-attach-node">attach a node</a>, where
+   <a href="#attach-node-n"><var>n</var></a> is the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-l"><var>l</var></a> is the
+   <a href="#entities"><code>entities</code></a> attribute value of the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-node"><var>node</var></a> is the
+   <a href="#setGeneralEntityNode-node"><var>node</var></a>, and
+   <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
+   <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+   attribute.</p></dd>
+ <dt><dfn id=setNotationNode class=dom-method><code>setNotationNode</code></dfn>,
+ method</dt>
+   <dd><p>Associate an <a href="#Notation"><code>Notation</code></a>
+   node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
+   <p>The <dfn id=setNotationNode-node class=dom-param><var>node</var></dfn>
+   parameter is the node to associate.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
+   to <a href="#algorithm-attach-node">attach a node</a>, where
+   <a href="#attach-node-n"><var>n</var></a> is the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-l"><var>l</var></a> is the
+   <a href="#notations"><code>notations</code></a> attribute value of the
+   <a href="#DocumentType"><code>DocumentType</code></a> node,
+   <a href="#attach-node-node"><var>node</var></a> is the
+   <a href="#setNotationNode-node"><var>node</var></a>, and
+   <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
+   <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+   attribute.</p></dd>
+ </dl>
+ <p>When a <dfn id=algorithm-attach-node title="attach a node">node is
+ attached</dfn>, the rules below, with parameters
+ <dfn id=attach-node-n><var>n</var></dfn>,
+ <dfn id=attach-node-l><var>l</var></dfn>,
+ <dfn id=attach-node-node><var>node</var></dfn>, and
+ <dfn id=attach-node-owner-attr><var>owner-attr</var></dfn>,
+ <em class=rfc2119>MUST</em> be followed:</p>
+   <ol>
+   <li><p>Let
+   <dfn id=attach-node-r><var>r</var></dfn> be the node in
+   <var>l</var> whose <code>nodeName</code> attribute value is equal to the
+   <code>nodeName</code> attribute value of <var>node</var>, if any.</p></li>
+   <li><p>If <var>r</var> is different from <code>null</code> and <var>r</var>
+   is same node as <var>node</var>, then abort these steps.</p></li>
+   <li><p>If <var>n</var> is <a href="#read-only">read$B!>(Bonly</a>, then raise a
+   <code>NO_MODIFICATION_ALLOWED_ERR</code> and abort these steps.</p></li>
+   <li><p>If the <code>ownerDocument</code> attribute value of <var>node</var>
+   is different from that of <var>n</var>, then raise a
+   <code>WRONG_DOCUMENT_ERR</code> and abort these steps.</p></li>
+   <li><p>If the value of the attribute <var>owner-attr</var> of <var>node</var>
+   is different from <code>null</code>, then raise a
+   <code>HIERARCHY_REQUEST_ERR</code> and abort these steps.</p></li>
+   <li><p>If <var>r</var> is a node, then remove it from <var>r</var>.</p>
+   <div class="note memo">
+   <p>By the removal of <var>r</var>, the attribute <var>owner-attr</var> of
+   <var>r</var> is set to <code>null</code>.</p>
+   </div></li>
+   <li><p>Add <var>node</var> to <var>l</var>.</p>
+   <div class="note memo">
+   <p>By the addition of <var>node</var>, the attribute <var>owner-attr</var> of
+   <var>node</var> is set to <var>n</var>.</p>
+   </div></li>
+   </ol>
+ <div class=ed>
+ <p>A future version of this interface might define the
+ <code>parameterEntities</code> and getter/setter for parameter entities.
+ </div>
+ </div>
+ <div class=section id=section-elementtypedefinition>
+ <h3>The <code>ElementTypeDefinition</code> Interface</h3>
+ <p>The nodes of type
+ <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
+ represents an element type definition.  Such a node
+ <em class=rfc2119>MUST</em> implement the
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+ interface, which extends the <a href="#Node"><code>Node</code></a>
+ interface.</p>
+ <p>An element type definition represents a definition of the element type.
+ It is corresponding to the element type declaration in <abbr>DTD</abbr>.
+ However, an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
+ does not represent the element type definition in <abbr>DTD</abbr> itself.
+ Even if there are more than one element type declarations for an element type
+ in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+ node for that element type.  In addition, if there are attribute definition
+ declarations for an element type, even when there is no element type
+ declaration for that element type, the <abbr>DOM</abbr> will contain an
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+ node for that element type.</p>
+ <p>An <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+ node cannot be a child of any node.  An
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
+ cannot have any child node.</p>
+ <p>The <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+ interface <em class=rfc2119>MUST</em> be implemented as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> : <a href="#Node">Node</a> {
+   readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
+   readonly attribute NamedNodeMap <a href="#attributeDefinitions">attributeDefinitions</a>;
+   <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#getAttributeDefinitionNode">getAttributeDefinitionNode</a>
+     (in DOMString <a href="#getAttributeDefinitionNode-name"><var>name</var></a>);
+   void <a href="#setAttributeDefinitionNode">setAttributeDefinitionNode</a>
+     (in <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#setAttributeDefinitionNode-node"><var>node</var></a>)
+     raises (DOMException);
+ }</code></pre>
+ <dl>
+ <dt><dfn id=ownerDocumentTypeDefinition class=dom-attr><code>ownerDocumentTypeDefinition</code></dfn>
+ of type <a href="#DocumentType"><code>DocumentType</code></a>, read$B!>(Bonly</dt>
+   <dd><p>The
+   <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
+   attribute of
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
+   <a href="#Entity"><code>Entity</code></a>, and
+   <a href="#Notation"><code>Notation</code></a> interfaces contain the
+   <a href="#DocumentType"><code>DocumentType</code></a> node to which the node
+   is attached.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return a
+   <a href="#DocumentType"><code>DocumentType</code></a> node.  It
+   <em class=rfc2119>MUST</em> be such a node that whose
+   <a href="#elementTypes"><code>elementTypes</code></a> (for an
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   node), <a href="#entities"><code>entities</code></a> (for an
+   <a href="#Entity"><code>Entity</code></a> node), or
+   <a href="#notations"><code>notations</code></a> (for a
+   <a href="#Notation"><code>Notation</code></a> node) attribute contains the
+   <code>NamedNodeMap</code> object that contains the node.  If there is no such
+   a <a href="#DocumentType"><code>DocumentType</code></a> node,
+   then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p></dd>
+ <dt><dfn id=attributeDefinitions class=dom-attr><code>attributeDefinitions</code></dfn>
+ of type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
+   <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
+   contains all the attribute definitions belonging to the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   node.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   <code>NamedNodeMap</code> object that contains all the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+   belonging to the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
+   The <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
+   read$B!>(Bonly if and only if the node is <a href="#read-only">read$B!>(Bonly</a>.
+   The <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
+   <a href="#live">live</a>.</p>
+   <p>If the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
+   is created during the process to create a <abbr>DOM</abbr> from an
+   <abbr>XML</abbr> document, the following requirements are applied:  The
+   <code>NamedNodeMap</code> object in the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute <em class=rfc2119>MUST</em> be so transformed that the object
+   contains the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+   corresponding to the attribute definitions in the attribute definition
+   list declarations processed
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr> processor and
+   associated to the element type represented by the node.  If there are more
+   than one attribute definitions for an attribute, then the definitions other
+   than the first one <em class=rfc2119>MUST</em> be ignored for the purpose
+   of constructing the <code>NamedNodeMap</code> object.</p></dd>
+ <dt><dfn id=getAttributeDefinitionNode class=dom-method><code>getAttributeDefinitionNode</code></dfn>,
+ method</dt>
+   <dd><p>Return the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+   with the specified name.</p>
+   <p>The
+   <dfn id=getAttributeDefinitionNode-name class=dom-param><var>name</var></dfn>
+   parameter is the name of the attribute.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> return the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node,
+   whose <a href="#nodeName"><code>nodeName</code></a> attribute value is
+   equal to <a href="#getAttributeDefinitionNode-name"><var>name</var></a>,
+   in the <code>NamedNodeMap</code> in the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute of the node.  If there is no such node, it
+   <em class=rfc2119>MUST</em> return <code>null</code>.</p></dd>
+ <dt><dfn id=setAttributeDefinitionNode class=dom-method><code>setAttributeDefinitionNode</code></dfn>,
+ method</dt>
+   <dd><p>Associate an
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node with
+   the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   node.</p>
+   <p>The
+   <dfn id=setAttributeDefinitionNode-node class=dom-param><var>node</var></dfn>
+   parameter is the node to associate.</p>
+   <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
+   to <a href="#algorithm-attach-node">attach a node</a>, where
+   <a href="#attach-node-n"><var>n</var></a> is the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
+   node, <a href="#attach-node-l"><var>l</var></a> is the
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute value of the
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
+   <a href="#attach-node-node"><var>node</var></a> is the
+   <a href="#setAttributeDefinitionNode-node"><var>node</var></a>, and
+   <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
+   <a href="#ownerElementTypeDefinition"><code>ownerElementTypeDefinition</code></a>
+   attribute.</p></dd>
+ </dl>
+ <div class=ed>
+ <p>A future version of the specification might define a set of attributes
+ and methods for representing and accessing to the content model of the
+ element type.</p>
+ </div>
+ </div>
+ <div class=section id=section-attributedefinition>
+ <h3>The <code>AttributeDefinition</code> Interface</h3>
+ <p>The nodes of type
+ <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
+ represents an attribute definition.  Such a node
+ <em class=rfc2119>MUST</em> implement the
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> interface,
+ which extends the <a href="#Node"><code>Node</code></a> interface.</p>
+ <p>An attribute definition represents a definition of the attribute
+ associated to an element type.  It is corresponding to the attribute definition
+ in the attribute list declaration in <abbr>DTD</abbr>.  However, an
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node does
+ not represent the attribute definition in <abbr>DTD</abbr> itself.  Even if
+ there are more than one attribute definitions for an attribute of an element
+ type in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node for
+ that attribute.</p>
+ <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+ node cannot be a child of any node.  An
+ <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+ can have zero or more child nodes of same kinds as those allowed for
+ <code>Attr</code> nodes
+ <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
+ <p>The <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+ interface <em class=rfc2119>MUST</em> be implemented as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> : <a href="#Node">Node</a> {
+   <span class=comment>// <a href="#DeclaredValueType">DeclaredValueType</a></span>
+   const unsigned short <a href="#NO_TYPE_ATTR">NO_TYPE_ATTR</a> = 0;
+   const unsigned short <a href="#CDATA_ATTR">CDATA_ATTR</a> = 1;
+   const unsigned short <a href="#ID_ATTR">ID_ATTR</a> = 2;
+   const unsigned short <a href="#IDREF_ATTR">IDREF_ATTR</a> = 3;
+   const unsigned short <a href="#IDREFS_ATTR">IDREFS_ATTR</a> = 4;
+   const unsigned short <a href="#ENTITY_ATTR">ENTITY_ATTR</a> = 5;
+   const unsigned short <a href="#ENTITIES_ATTR">ENTITIES_ATTR</a> = 6;
+   const unsigned short <a href="#NMTOKEN_ATTR">NMTOKEN_ATTR</a> = 7;
+   const unsigned short <a href="#NMTOKENS_ATTR">NMTOKENS_ATTR</a> = 8;
+   const unsigned short <a href="#NOTATION_ATTR">NOTATION_ATTR</a> = 9;
+   const unsigned short <a href="#ENUMERATION_ATTR">ENUMERATION_ATTR</a> = 10;
+   const unsigned short <a href="#UNKNOWN_ATTR">UNKNOWN_ATTR</a> = 11;
+   <span class=comment>// <a href="#DefaultValueType">DefaultValueType</a></span>
+   const unsigned short <a href="#UNKNOWN_DEFAULT">UNKNOWN_DEFAULT</a> = 0;
+   const unsigned short <a href="#FIXED_DEFAULT">FIXED_DEFAULT</a> = 1;
+   const unsigned short <a href="#REQUIRED_DEFAULT">REQUIRED_DEFAULT</a> = 2;
+   const unsigned short <a href="#IMPLIED_DEFAULT">IMPLIED_DEFAULT</a> = 3;
+   const unsigned short <a href="#EXPLICIT_DEFAULT">EXPLICIT_DEFAULT</a> = 4;
+   readonly attribute <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#ownerElementTypeDefinition">ownerElementTypeDefinition</a>;
+   readonly attribute unsigned short <a href="#declaredType">declaredType</a>;
+   readonly attribute DOMStringList <a href="#allowedTokens">allowedTokens</a>;
+   readonly attribute unsigned short <a href="#defaultType">defaultType</a>;
+ }</code></pre>
+ <dl>
+ <dt><dfn id=ownerElementTypeDefinition class=dom-attr><code>ownerElementTypeDefinition</code></dfn>
+ of type
+ <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
+ read$B!>(Bonly</dt>
+   <dd><p>The
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> to
+   which the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+   node belongs.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return an
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
+   It <em class=rfc2119>MUST</em> be such a node that whose
+   <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
+   attribute contains the <code>NamedNodeMap</code> object that contains
+   the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+   node.  If there is no such an
+   <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
+   then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p>
+ <dt><dfn id=declaredType class=dom-attr><code>declaredType</code></dfn> of type
+ <code>unsigned short</code></dt>
+   <dd><p>The declared type
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite> of the attribute.  It is expected that
+   this attribute contains a value from the definition group
+   <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   value associated to this attribute.</p>
+   <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+   <code>NO_MODIFICATION_ALLOWED_ERR</code> if the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+   is <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
+   <em class=rfc2119>MUST</em> set the specified value as the value
+   associated to this attribute.</p>
+   <p>If the <code>AttributeDefinition</code> node is created during the process
+   to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, an
+   appropriate value from the
+   <a href="#DeclaredValueType"><code>DeclaredValueType</code></a> constant
+   group <em class=rfc2119>MUST</em> be set to the attribute.</p>
+   <!-- DeclaredValueType -->
+ <p>The definition group
+ <dfn id=DeclaredValueType><code>DeclaredValueType</code></dfn> contains
+ integers indicating the declared type of attributes.  The definition
+ group contains the following constants:</p>
+ <table>
+ <thead>
+ <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
+ </thead>
+ <tbody>
+ <tr>
+ <th scope=row><dfn id=NO_TYPE_ATTR class=dom-const><code>NO_TYPE_ATTR</code>
+ <td><code>0</code><td><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">No
+ value</a>
+ <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=CDATA_ATTR class=dom-const><code>CDATA_ATTR</code>
+ <td><code>1</code><td><code>CDATA</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=ID_ATTR class=dom-const><code>ID_ATTR</code>
+ <td><code>2</code><td><code>ID</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=IDREF_ATTR class=dom-const><code>IDREF_ATTR</code>
+ <td><code>3</code><td><code>IDREF</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=IDREFS_ATTR class=dom-const><code>IDREFS_ATTR</code>
+ <td><code>4</code><td><code>IDREFS</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=ENTITY_ATTR class=dom-const><code>ENTITY_ATTR</code>
+ <td><code>5</code><td><code>ENTITY</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=ENTITIES_ATTR class=dom-const><code>ENTITIES_ATTR</code>
+ <td><code>6</code><td><code>ENTITIES</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=NMTOKEN_ATTR class=dom-const><code>NMTOKEN_ATTR</code>
+ <td><code>7</code><td><code>NMTOKEN</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=NMTOKENS_ATTR class=dom-const><code>NMTOKENS_ATTR</code>
+ <td><code>8</code><td><code>NMTOKENS</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=NOTATION_ATTR class=dom-const><code>NOTATION_ATTR</code>
+ <td><code>9</code><td><code>NOTATION</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=ENUMERATION_ATTR class=dom-const><code>ENUMERATION_ATTR</code>
+ <td><code>10</code><td>Enumeration
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+ <tr>
+ <th scope=row><dfn id=UNKNOWN_ATTR class=dom-const><code>UNKNOWN_ATTR</code>
+ <td><code>11</code><td><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">Unknown</a>,
+ because no declaration for the attribute has been read but the
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.document">[all declaration processed]</a>
+ property
+ <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>
+ would be false.</tr>
+ </tbody>
+ </table>
+ <p>If no attribute type information is available, or if the source
+ of the information does not distinguish
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">no
+ value</a> and
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">unknown</a>
+ <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>,
+ then the value
+ <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>
+ <em class=rfc2119>MUST</em> be used.</p>
+ <div class="note memo">
+ <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+ created by the
+ <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
+ method has its <a href="#declaredType"><code>declaredType</code></a> attribute
+ set to <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</p>
+ </div>
+ <p>If the source of the information does not distinguish
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">no
+ value</a> and/or
+ <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">unknown</a>
+ <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite> and
+ <code>CDATA</code>
+ <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+ <a href="#ref-XML11">XML11</a>]</cite>, then the value
+ <a href="#CDATA_ATTR"><code>CDATA_ATTR</code></a> <em class=rfc2119>MUST</em>
+ be used.</p>
+ <p>In Perl binding
+ <cite class="bibref normative">[<a href="#ref-DOMPERL">DOMPERL</a>]</cite>, the
+ <code>Attr</code> nodes <em class=rfc2119>MUST</em> implement the
+ <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>
+ definition group.</p>
+   </dd>
+ <dt><dfn id=allowedTokens class=dom-attr><code>allowedTokens</code></dfn> of
+ type <code>DOMStringList</code>, read$B!>(Bonly</dt>
+   <dd><p>The list of allowed attribute values.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
+   <code>DOMStringList</code> object associated to this attribute.  The object
+   <em class=rfc2119>MAY</em> contain zero or more ordered strings, consist of
+   zero or more characters respectively, possibly with duplications.  The
+   object <em class=rfc2119>MUST</em> be read$B!>(Bonly if and only if the node
+   is <a href="#read-only">read$B!>(Bonly</a>.</p>
+   <p>If the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+   node is created during the process to create a <abbr>DOM</abbr> from an
+   <abbr>XML</abbr> document, the object <em class=rfc2119>MUST</em> contain
+   the names or name tokens allowed for the attribute defined by the node.
+   If the document is well$B!>(Bformed, the object will be empty unless
+   the <a href="#declaredType"><code>declaredType</code></a> is
+   <a href="#ENUMERATION_ATTR"><code>ENUMERATION_ATTR</code></a> or
+   <a href="#NOTATION_ATTR"><code>NOTATION_ATTR</code></a>.</p>
+   <p>If the <a href="#declaredType"><code>declaredType</code></a> is different
+   from <a href="#ENUMERATION_ATTR"><code>ENUMERATION_ATTR</code></a> or
+   <a href="#NOTATION_ATTR"><code>NOTATION_ATTR</code></a>, this attribute
+   <em class=rfc2119>MUST</em> be ignored for the purpose of serializing
+   into (part of) <abbr>XML</abbr> document.</p>
+   <div class="note memo">
+     <p>When serializing the node it should be noted that the object might
+     be empty, might contain duplications, and might contain strings that are
+     not names or name tokens.</p>
+   </div></dd>
+ <dt><dfn id=defaultType class=dom-attr><code>defaultType</code></dfn> of
+ type <code>unsigned short</code></dt>
+   <dd><p>The type of the default for the attribute.  It is expected that this
+   attribute contains a value from the definition group
+   <a href="#DefaultValueType"><code>DefaultValueType</code></a>.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return
+   the value associated to this attribute.</p>
+   <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+   <code>NO_MODIFICATION_ALLOWED_ERR</code> if the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
+   is <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
+   <em class=rfc2119>MUST</em> set the specified value as the value
+   associated to this attribute.</p>
+   <p>If the
+   <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node is
+   created during the process to create a <abbr>DOM</abbr> from an
+   <abbr>XML</abbr> document, an appropriate value from the
+   <a href="#DefaultValueType"><code>DefaultValueType</code></a> definition
+   group <em class=rfc2119>MUST</em> be set to the attribute.</p>
+   <!-- DefaultValueType -->
+   <p>The definition group
+   <dfn id=DefaultValueType><code>DefaultValueType</code></dfn>
+   contains integers indicating the type of the default for the attribute.
+   The definition group contains the following constants:</p>
+   <table>
+   <thead>
+   <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
+   </thead>
+   <tbody>
+   <tr>
+   <th scope=row><dfn id=UNKNOWN_DEFAULT class=dom-const><code>UNKNOWN_DEFAULT</code></dfn>
+   <td><code>0</code><td>Unknown.</tr>
+   <tr>
+   <th scope=row><dfn id=FIXED_DEFAULT class=dom-const><code>FIXED_DEFAULT</code></dfn>
+   <td><code>1</code><td>Provided explicitly and only the value is allowed.
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+   <tr>
+   <th scope=row><dfn id=REQUIRED_DEFAULT class=dom-const><code>REQUIRED_DEFAULT</code></dfn>
+   <td><code>2</code><td>No default value and the attribute have to be
+   explicitly specified.</tr>
+   <tr>
+   <th scope=row><dfn id=IMPLIED_DEFAULT class=dom-const><code>IMPLIED_DEFAULT</code></dfn>
+   <td><code>3</code><td>Implied
+   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
+   <a href="#ref-XML11">XML11</a>]</cite>.</tr>
+   <tr>
+   <th scope=row><dfn id=EXPLICIT_DEFAULT class=dom-const><code>EXPLICIT_DEFAULT</code></dfn>
+   <td><code>4</code><td>Provided explicitly.</tr>
+   </tbody>
+   </table>
+   <p>If the source of the default type does not distinguish
+   implied and unknown default types, then the value
+   <a href="#IMPLIED_DEFAULT"><code>IMPLIED_DEFAULT</code></a>
+   <em class=rfc2119>MUST</em> be used.</p>
+   <div class="note memo">
+   <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
+   node created by the
+   <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
+   method has its <a href="#defaultType"><code>defaultType</code></a>
+   attribute set to
+   <a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</p>
+   </div></dd>
+ </dl>
+ </div>
+ <div class=section id=section-entity>
+ <h3>Modifications to the <code id=Entity>Entity</code> Interface</h3>
+ <p>The implementation of the <a href="#Entity"><code>Entity</code></a>
+ interface <em class=rfc2119>MUST</em> be modified as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>// Modifications to the Entity interface
+   attribute DOMString <a href="#publicId">publicId</a>;
+   attribute DOMString <a href="#systemId">systemId</a>;
+   attribute DOMString <a href="#notationName">notationName</a>;
+   // Additions to the Entity interface
+   attribute DOMString <a href="#hasReplacementTree">hasReplacementTree</a>;
+   readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
+   attribute boolean <a href="#isExternallyDeclared">isExternallyDeclared</a>;
+ </code></pre>
+ <p>The <code id=notationName>notationName</code> attribute of the
+ <a href="#Entity"><code>Entity</code></a> interface is no longer
+ read$B!>(Bonly.</p>
+ <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+ <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
+ <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
+ set the specified value as the value associated to the attribute.  No lexical
+ validation is performed.  The new value <em class=rfc2119>MAY</em> be
+ <code>null</code>.</p>
+ <dl>
+ <dt><dfn id=hasReplacementTree class=dom-attr><code>hasReplacementTree</code></dfn>
+ of type <code>boolean</code></dt>
+   <dd><p>Whether the structure of the replacement text of the entity
+   is available via the <code>NodeList</code> object in the
+   <code>childNodes</code> attribute of the entity.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return
+   the value associated to this attribute.</p>
+   <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+   <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
+   <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
+   <em class=rfc2119>MUST</em> set the specified value as the
+   value associated to this attribute.</p>
+   <div class="note memo">
+   <p>The attribute can be set to <code>false</code> even if the
+   <a href="#Entity"><code>Entity</code></a> node has any child node.
+   If the attribute is set to <code>false</code>, then any child node of
+   the <a href="#Entity"><code>Entity</code></a> node ought to be ignored,
+   say, for the purpose of serialization.</p>
+   </div>
+   <p>When an <code>EntityReference</code> node is created by cloning
+   the replacement subtree of the <a href="#Entity"><code>Entity</code></a>
+   node, if the attribute is set to <code>false</code>, then any descendant
+   of the node <em class=rfc2119>MUST</em> be ignored.</p>
+   <p>If the <a href="#Entity"><code>Entity</code></a> node is created during
+   the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document,
+   the following requirements are applied:  If the entity is an unparsed
+   entity, then the attribute <em class=rfc2119>MUST</em> be set to
+   <code>false</code>.  Otherwise, if the entity is an external entity whose
+   replacement text is not available, or whose replacement text is not converted
+   to a replacement tree, then the attribute <em class=rfc2119>MUST</em> be set
+   to <code>false</code>.  Otherwise, the attribute
+   <em class=rfc2119>MUST</em> be set to <code>true</code>.</p>
+   <div class="note memo">
+   <p>An <a href="#Entity"><code>Entity</code></a> node created by the
+   <a href="#createGeneralEntity"><code>createGeneralEntity</code></a> method
+   has its <a href="#hasReplacementTree"><code>hasReplacementTree</code></a>
+   attribute set to <code>false</code>.</p>
+   </div></dd>
+ <dt><dfn id=isExternallyDeclared class=dom-attr><code>isExternallyDeclared</code></dfn>
+ of type <code>boolean</code></dt>
+   <dd><p>Whether the entity is declared by an external entity declaration or
+   not.  If the value is <code>true</code>, the entity is declared in an entity
+   declaration in the external subset entity or in an external parameter entity.
+   If the value is <code>false</code>, the entity is declared in an entity
+   declaration in the internal subset, or the node is created in memory.</p>
+   <p>On getting, the attribute <em class=rfc2119>MUST</em> return
+   the value associated to this attribute.</p>
+   <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
+   <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
+   <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
+   <em class=rfc2119>MUST</em> set the specified value as the value associated
+   to this attribute.</p>
+   <p>If the <a href="#Entity"><code>Entity</code></a> node is created during
+   the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document,
+   the following requirements are applied:  If the entity is an unparsed
+   entity, then the attribute <em class=rfc2119>MUST</em> be set to
+   <code>false</code>.  Otherwise, i.e. the entity is a parsed entity, then the
+   attribute <em class=rfc2119>MUST</em> be set to the value of whether the
+   entity is declared by an external markup declaration or not.</p></dd>
+ </dl>
+ </div>
+ <div class=section id=section-notation>
+ <h3>Modifications to the <code id=Notation>Notation</code> Interface</h3>
+ <p>The implementation of the <a href="#Notation"><code>Notation</code></a>
+ interface <em class=rfc2119>MUST</em> be modified as the following
+ <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
+ <pre class=idl><code>// Modifications to the Notation interface
+   attribute DOMString <a href="#publicId">publicId</a>;
+   attribute DOMString <a href="#systemId">systemId</a>;
+   // Addition to the Notation interface
+   readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
+ </code></pre>
+ </div>
+ </div>
  <div id="references" class="section reference">
  <h2>References</h2>
-Line 185 
 aforementioned cases.</p>
+Line 1794 
 aforementioned cases.</p>
  <dl>
  <dt id=ref-DOM3CORE>DOM3CORE</dt>
-   <dd class=ed>@@ W3C DOM Level 3 Core</dd>
+   <dd><cite><a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407">Document
- <dt id=ref-DOMDTDEF>DOMDTDEF</dt>
+   Object Model (<abbr>DOM</abbr>) Level 3 Core Specification, Version
-   <dd class=ed>@@ manakai's extension to DOM for document type definitions</dd>
+.0</a></cite>, <abbr>W3C</abbr> Recommendation, <time datetime=2004-04-07>7
+   April 2004</time>.  <em>This</em> version of the specification is referenced.
+   The latest version of the specification is available at
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/DOM-Level-3-Core">http://www.w3.org/TR/DOM-Level-3-Core</a>></code>.</dd>
+ <dt id=ref-DOMBIND>DOMBIND</dt>
+   <dd><cite><a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/">Language
+   Bindings for <abbr>DOM</abbr> Specifications</a></cite>, <abbr>W3C</abbr>
+   Working Draft, <time datetime=2007-10-17>17 October 2007</time>.
+   <em>This</em> version of the specification is referenced.  The latest version
+   of the specification is available at
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/DOM-Bindings/">http://www.w3.org/TR/DOM-Bindings/</a>></code>.</dd>
+ <dt id=ref-DOMPERL>DOMPERL</dt>
+   <dd><cite><a href="http://suika.fam.cx/gate/2005/sw/manakai/DOM%20Perl%20Binding">manakai's
+   <abbr>DOM</abbr> Perl Binding</a></cite>, editor's draft.  Work in
+   progress.</dd>
+ <dt id=ref-HTML5>HTML5</dt>
+   <dd><cite><a href="http://whatwg.org/html5"><abbr>HTML</abbr> 5</a></cite>,
+   <abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr>
+   Working Draft.  Work in progress.</dd>
+ <dt id=ref-INFOSET>INFOSET</dt>
+   <dd><cite><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204"><abbr>XML</abbr>
+   Information Set (Second Edition)</a></cite>, <abbr>W3C</abbr> Recommendation,
+   <time datetime=2004-02-04>4 February 2004</time>.  <em>This</em> version of
+   the specification is referenced.  The latest version of the specification is
+   available at
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/xml-infoset">http://www.w3.org/TR/xml-infoset</a>></code>.</dd>
  <dt id="ref-KEYWORDS">KEYWORDS</dt>
    <dd><cite><a href="urn:ietf:rfc:2119">Key words for use in
    <abbr>RFCs</abbr> to Indicate Requirement Levels</a></cite>,
-Line 196 
 aforementioned cases.</p>
+Line 1830 
 aforementioned cases.</p>
 </a>, <abbr title="Request for Comments">RFC</abbr> 2119,
    <time datetime=1997-03>March 1997</time>.
    <em>This</em> version of the specification is referenced.</dd>
- <dt id=ref-INFOSET>INFOSET</dt>
+ <dt id=ref-MANAKAI>MANAKAI</dt>
-   <dd class=ed>@@</dd>
+   <dd><cite><a href="http://suika.fam.cx/gate/2005/sw/manakai/DOM%20Extensions">
- <dt id=ref-XML10">XML10</dt>
+   manakai's <abbr>DOM</abbr> Extensions</a></cite>, editor's draft.  Work in
+   progress.</dd>
+ <dt id=ref-XML10>XML10</dt>
    <dd><cite><a href="http://www.w3.org/TR/2006/REC-xml-20060816">Extensible
    Markup Language (<abbr>XML</abbr>) 1.0 (Fourth Edition)</a></cite>,
    <abbr>W3C</abbr> Recommendation, <time datetime=2006-08-16>16 August
 </time>, edited in place <time datetime=2006-09-29>29 September
-</time>.  Tje latest version of the specification is available at
+</time>.  <em>This</em> version of the specification is referenced.  The
-   <code class=uri>&lt;<a href="http://www.w3.org/TR/xml">http://www.w3.org/TR/xml</a>&gt;</code>.
+   latest version of the specification is available at
-   <em>This</em> version of the specification is referenced.</dd>
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/xml">http://www.w3.org/TR/xml</a>&gt;</code>.</dd>
  <dt id=ref-XML11>XML11</dt>
-   <dd class=ed>@@</dd>
+   <dd><cite><a href="http://www.w3.org/TR/2006/REC-xml11-20060816/">Extensible
+   Markup Language (<abbr>XML</abbr>) 1.1 (Second Edition)</a></cite>,
+   <abbr>W3C</abbr> Recommendation, <time datetime=2006-08-16>16 August
+</time>, edited in place <time datetime=2006-09-29>29 September
+</time>.  <em>This</em> version of the specification is referenced.  The
+   latest version of the specification is available at
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/xml11">http://www.w3.org/TR/xml11</a>></code>.</dd>
  </dl>
  </div>
  <div id="informative-references" class="section informative reference">
  <h3>Non$B!>(Bnormative References</h3>
- <dl class=ed>
+ <dl>
- <dt id=ref-CSS>CSS</dt>
+ <dt id=ref-DOM1WD>DOM1WD</dt>
-   <dd><cite><a href="http://www.w3.org/TR/2007/CR-CSS21-20070719">Cascading
+   <dd><cite><a href="http://www.w3.org/TR/WD-DOM-971209/">Document Object
-   Style Sheets Level 2 Revision 1 (<abbr>CSS</abbr> 2.1)
+   Model Specification</a></cite>, <abbr>W3C</abbr> Working Draft,
-   Specification</a></cite>,
+   <time datetime=1997-12-09>9 December 1997</time>.</dd>
-   <abbr title="World Wide Web Consortium">W3C</abbr> Candidate
+   <dd><cite><a href="http://www.w3.org/TR/WD-DOM-19980318/">Document Object
-   Recommendation, <time datetime=2007-07-19>19 July 2007</time>.
+   Model Specification</a></cite>, <abbr>W3C</abbr> Working Draft,
-   Work in progress.  The latest version of the specification is
+   <time datetime=1998-03-18>18 March 1998</time>.</dd>
-   available at
+   <dd><cite><a href="http://www.w3.org/TR/1998/WD-DOM-19980416/">Document
-   <code class=URI>&lt;<a href="http://www.w3.org/TR/CSS21">http://www.w3.org/TR/CSS21</a>></code>.</dd>
+   Object Model Specification, Version 1.0</a></cite>, <abbr>W3C</abbr> Working
- <dt id=ref-CSSOM>CSSOM</dt>
+   Draft, <time datetime=1998-04-16>16 April 1998</time>.</dd>
-   <dd><cite><a href="http://dev.w3.org/cvsweb/~checkout~/csswg/cssom/Overview.html?rev=1.55&amp;content-type=text/html;%20charset=utf-8">Cascading
+ <dt id=ref-DOM3AS>DOM3AS</dt>
-   Style Sheets Object Model (<abbr>CSSOM</abbr>)</a></cite>,
+   <dd><cite><a href="http://www.w3.org/TR/2002/NOTE-DOM-Level-3-AS-20020725/">Document
-   <abbr title="World Wide Web Consortium">W3C</abbr> Editor's Draft,
+   Object Model (<abbr>DOM</abbr>) Level 3 Abstract Schemas Specification,
-   <time datetime=2007-06-18>18 June 2007</time>.  Work in progress.
+   Version 1.0</a></cite>, <abbr>W3C</abbr> Note, <time datetime=2002-07-25>25
-   The latest Editor's Draft of the specification is available at
+   July 2002</time>.  The latest version of the specification is available at
-   <code class=URI>&lt;<a href="http://dev.w3.org/csswg/cssom/Overview.html">http://dev.w3.org/csswg/cssom/Overview.html</a>></code>.</dd>
+   <code class=uri>&lt;<a href="http://www.w3.org/TR/DOM-Level-3-AS">http://www.w3.org/TR/DOM-Level-3-AS</a>></code>.</dd>
- <dt id=ref-HTML5>HTML5</dt>
+ <dt id=ref-XSAPI>XSAPI</dt>
-   <dd><cite><a href="http://whatwg.org/html5"><abbr>HTML</abbr> 5</a></cite>,
+   <dd><cite><a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/"><abbr>XML</abbr>
-   <abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr>
+   Schema <abbr>API</abbr></a></cite>, <abbr>W3C</abbr> Member Submission,
-   Working Draft.  Work in progress.</dd>
+   <time datetime=2004-03-09>9 March 2004</time>.  The latest version of the
- <dt id=ref-SAPI>SAPI</dt>
+   specification is available at
-   <dd><cite><a href="http://dev.w3.org/cvsweb/~checkout~/2006/webapi/selectors-api/Overview.html?rev=1.28&amp;content-type=text/html;%20charset=utf-8">Selectors <abbr>API</abbr></a></cite>,
+   <code class=uri>&lt;<a href="http://www.w3.org/Submission/xmlschema-api/">http://www.w3.org/Submission/xmlschema-api/</a>></code>.</dd>
-   <abbr title="World Wide Web Consortium">W3C</abbr> Editor's Draft,
-   <time datetime=2007-08-29>29 August 2007</time>.  Work in progress.
-   The latest Editor's Draft of the specification is available at
-   <code class=URI>&lt;<a href="http://dev.w3.org/2006/webapi/selectors-api/Overview.html">http://dev.w3.org/2006/webapi/selectors-api/Overview.html</a>></code>.
-   The latest published version of the specification is available at
-   <code class=URI>&lt;<a href="http://www.w3.org/TR/selectors-api/">http://www.w3.org/TR/selectors-api/</a>></code>.</dd>
- <dt id=XBL2>XBL2</dt>
-   <dd><cite><a href="http://www.mozilla.org/projects/xbl/xbl2.html"><abbr>XBL</abbr>
-.0</a></cite>, Mozilla.org, <time datetime=2007-03-15>15 Mar 2007</time>.
-   Work in progress.  The latest
-   <abbr title="World Wide Web Consortium">W3C</abbr>$B!>(Bpublished
-   version of the specification is available at
-   <code class=URI>&lt;<a href="http://www.w3.org/TR/xbl/">http://www.w3.org/TR/xbl/</a>></code>.</dd>
- <dt id=ref-XML5>XML5</dt>
-   <dd class=ed>@@</dd>
  </dl>
  </div>

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