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2  <html lang="en" class="formal-specification status-work-in-progress">  <html lang="en" class="formal-specification status-work-in-progress">
3  <head>  <head>
4  <title>manakai's XML Conformance Checking</title>  <title>DOM Document Type Definition Module</title>
5  <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec">  <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec">
6    <link rel="stylesheet" href="http://suika.fam.cx/www/style/def/dom">
7  <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">  <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">
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8  </head>  </head>
9  <body class="has-abstract">  <body class="has-abstract">
10    
11  <div class="header">  <div class="header">
12  <h1>manakai's <abbr>XML</abbr> Conformance Checking</h1>  <h1>DOM Document Type Definition Module</h1>
13  <h2>Working Draft <time datetime=2007-12-01>1 December 2007</time></h2>  <h2><!-- First Edition -->Working Draft
14    <time datetime=2008-06-15>15 June 2008</time></h2>
15    
16  <dl class="versions-uri">  <dl class="versions-uri">
17  <dt>This Version</dt>  <dt>This Version</dt>
18    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc-work"  <!--
19        >http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc-work</a>&gt;</code></dd>    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209"
20          >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209</a>&gt;</code></dd>
21    -->
22      <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work"
23          >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work</a>&gt;</code></dd>
24  <dt>Latest Version</dt>  <dt>Latest Version</dt>
25    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc"    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef"
26        >http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc</a>&gt;</code></dd>        >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef</a>&gt;</code></dd>
27  <dt>Latest Working Draft</dt>  <dt>Latest Working Draft</dt>
28    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc-work"    <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work"
29        >http://suika.fam.cx/www/markup/xml/xmlcc/xmlcc-work</a>&gt;</code></dd>        >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-work</a>&gt;</code></dd>
30  <!-- <dt>Previous Version</dt> -->  <dt>Previous Stable Version</dt>
31      <dd><code class="URI">&lt;<a href="http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209"
32          >http://suika.fam.cx/www/markup/xml/domdtdef/domdtdef-20071209</a>&gt;</code></dd>
33  <dt>Version History</dt>  <dt>Version History</dt>
34    <dd><code class=URI>&lt;<a href="http://suika.fam.cx/gate/cvs/markup/xml/xmlcc/xmlcc-work.en.html">http://suika.fam.cx/gate/cvs/markup/xml/xmlcc/xmlcc-work.en.html</a>&gt;</code></dd>    <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>
35  </dl>  <dt id=author>Author</dt>
 <dl class="authors" id="author">  
 <dt>Author</dt>  
36    <dd><a href="http://suika.fam.cx/~wakaba/who?" rel="author"    <dd><a href="http://suika.fam.cx/~wakaba/who?" rel="author"
37        lang=ja>Wakaba</a>        lang=ja>Wakaba</a>
38    <code class="mail">&lt;<a href="mailto:w@suika.fam.cx" rel="author"    <code class="mail">&lt;<a href="mailto:w@suika.fam.cx" rel="author"
39        >w@suika.fam.cx</a>&gt;</code></dd>        >w@suika.fam.cx</a>&gt;</code></dd>
40  </dl>  </dl>
41    
42  <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
43      href="http://suika.fam.cx/~wakaba/who?" rel="author">Wakaba</a>.      href="http://suika.fam.cx/~wakaba/who?" rel="author">Wakaba</a>.
44  Permission is granted to copy, distribute and/or modify this document  Permission is granted to copy, distribute and/or modify this document
45  under the terms of the <a rel="license"  under the terms of the <a rel="license"
# Line 60  available at <code class="URI">&lt;<a Line 57  available at <code class="URI">&lt;<a
57  <div id="abstract" class="section">  <div id="abstract" class="section">
58  <h2>Abstract</h2>  <h2>Abstract</h2>
59    
60  <div class="ed issue">...</div>  <p>The <abbr>DOM</abbr> Document Type Definition module is a set of
61    <abbr>DOM</abbr> interfaces, including both new interfaces and modifications
62    to existing <abbr>DOM</abbr> interfaces, over which <abbr>DOM</abbr>
63    applications are able to access to the definitions of the document type.</p>
64  </div>  </div>
65    
66  <div id="status" class="section">  <div id="status" class="section">
67  <h2>Status of This Document</h2>  <h2>Status of This Document</h2>
68    
69  <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
70  at the time of its publication.  Other documents  time of its publication.  Other documents might supersede this document.</p>
71  might supersede this document.</em></p>  
72    <p>This document is a specification<!-- working draft -->,
73  <p>This document is a working draft, produced as part of the  produced as part of the
74  <a href="http://suika.fam.cx/www/markup/html/whatpm/readme">Whatpm</a>  <a href="http://suika.fam.cx/www/manakai-core/doc/web/">manakai</a> project.  
75  subproject of the  It might be updated, replaced, or obsoleted by other documents at any time.  
76  <a href="http://suika.fam.cx/www/manakai-core/doc/web/">manakai</a>  <!-- It is inappropriate to cite this document as other than
77  project.  It might be updated, replaced, or obsoleted by  <q>work in progress</q>. --></p>
 other documents at any time.  It is inappropriate to  
 cite this document as other than <q>work in progress</q>.</p>  
78    
79  <p>Comments on this document are welcome and  <p>Comments on this document are welcome and
80  may be sent to the <a href="#author">author</a>.</p>  may be sent to the <a href="#author">author</a>.</p>
81    
82  <p>Translations of thie document might be available.  <p>Translations of this document might be available.
83  The English version of the document is the only  The English version of the document is the only
84  normative version.</p>  normative version.</p>
85  </div>  </div>
# Line 92  normative version.</p> Line 89  normative version.</p>
89    
90  <p class=section-info>This section is <em>non$B!>(Bnormative</em>.</p>  <p class=section-info>This section is <em>non$B!>(Bnormative</em>.</p>
91    
92  <div class="issue ed">...</div>  <p>The <dfn id=term-dom-dtdef><abbr>DOM</abbr> Document Type Definition</dfn>
93    module is a set of <abbr>DOM</abbr> interfaces, including both new
94    interfaces and modifications to existing <abbr>DOM</abbr> interfaces,
95    over which <abbr>DOM</abbr> applications are able to access to the
96    definitions of the document type.</p>
97    
98    <p>Interfaces defined in this document are partially modeled and inspired by
99    early drafts of <abbr>DOM</abbr> Level 1
100    <cite class="bibref informative">[<a href="#ref-DOM1WD">DOM1WD</a>]</cite>,
101    <abbr>DOM</abbr> Level 3 Abstract Schemas <abbr>W3C</abbr> Note
102    <cite class="bibref informative">[<a href="#ref-DOM3AS">DOM3AS</a>]</cite>,
103    and <abbr>XML</abbr> Schema <abbr>API</abbr> specification
104    <cite class="bibref informative">[<a href="#ref-XSAPI">XSAPI</a>]</cite>, but
105    they are not compatible with any of them as a whole.</p>
106    </div>
107    
108    <div class="section" id=conformance>
109    <h2>Conformance Requirements</h2>
110    
111    <div class=section id=terminology>
112    <h3>Terminology</h3>
113    
114  </div>  <p>All examples and notes in this specification are non$B!>(Bnormative,
115    as are all sections explicitly marked non$B!>(Bnormative.</p>
116    
117    <p class=ed>Known issues are marked like this.  They are non$B!>(Bnormative.  <!--
118    However, this paragraph itself is normative.  One may argue that this paragraph
119    is non$B!>(Bnormative, because this paragraph is marked as an editor's note.
120    Anyway, the other editor's notes are non$B!>(Bnormative. --></p>
121    
122  <div class="section" id="terminology">  <p>Everything else in this document is normative.</p>
 <h2>Terminology</h2>  
123    
124  <p>The key words <q><em class="rfc2119">MUST</em></q>,  <p>The key words <q><em class="rfc2119">MUST</em></q>,
125  <q><em class="rfc2119">MUST NOT</em></q>,  <q><em class="rfc2119">MUST NOT</em></q>, and <q><em class=rfc2119>MAY</em></q>
126  <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  
127  <a href="urn:ietf:rfc:2119"><abbr title="Request for Comments">RFC</abbr>  <a href="urn:ietf:rfc:2119"><abbr title="Request for Comments">RFC</abbr>
128  2119</a>  2119</a>
129  <cite class="bibref normative">[<a href="#ref-KEYWORDS">KEYWORDS</a>]</cite>.</p>  <cite class="bibref normative">[<a href="#ref-KEYWORDS">KEYWORDS</a>]</cite>.</p>
130    
131  <!-- Strictly speaking the paragraph below is not part of terminology. -->  <p>Conformance requirements phrased as algorithms or specific steps
132  <p>All examples and notes in this specification are non$B!>(Bnormative,  <em class=rfc2119>MAY</em> be implemented in any manner, so long as the end
133  as are all sections explicitly marked non$B!>(Bnormative.  Everything  result is equivalent.  Requirements phrased in the imperative as part of
134  else in this specification is normative.</p>  algorithms are to be interpreted with the meaning of the key word used in
135    introducing the algorithm.</p>
136  <p><span class=ed>Algorithm is normative but non-normative</span>.  
137  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
138  raised is undefined.</p>  specified in the <abbr>DOM</abbr> Core specification
139    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>,
140    when the value of the <code>strictErrorChecking</code> attribute of the
141    <a href="#Document"><code>Document</code></a> node is <code>false</code>,
142    then the exception is not have to be raised.</p>
143    
144    <p>Some conformance requirements are phrased as requirements on interfaces,
145    attributes, methods, or objects.  Such requirements are applied to
146    implementations.</p>
147    
148    <p>The construction <q>a <code><var>Foo</var></code> object</q>, where
149    <code><var>Foo</var></code> is an interface, is used instead of the more
150    accurate <q>an object implementing the interface
151    <code><var>Foo</var></code></q>.</p>
152    
153    <p>The construction <q>raise a <code><var>Bar</var></code></q>, where
154    <code><var>Bar</var></code> is an exception code, is used instead of the more
155    accurate <q>raise an exception implementing the interface
156    <code>DOMException</code>
157    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
158    with its <code>code</code> attribute set to
159    <code><var>Bar</var></code></q>.</p>
160    
161    <p>The terms
162    <em id=live><a href="http://www.whatwg.org/specs/web-apps/current-work/#live">live</a></em>
163    and <em id=setting>setting</em> and <em id=getting>getting</em> of an attribute
164    is defined in the HTML5 specification
165    <cite class="bibref normative">[<a href="#ref-HTML5">HTML5</a>]</cite>.</p>
166    
167    <p>The term
168    <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>
169    is defined in the <abbr>DOM</abbr> Level 3 Core specification
170    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
171    
172    <p>The <em id=idl-fragment><abbr>IDL</abbr> fragments</em> in this document are
173    to be interpreted as described in the <cite>Language Bindings for
174    <abbr>DOM</abbr> Specifications</cite> specification
175    <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.</p>
176    
177    <p>Some <abbr>IDL</abbr> fragments are presented as <i>patch</i> to an
178    <abbr>IDL</abbr> fragment defined in another document.  They are to be
179    interpreted as an instance of
180    <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMembers"><code>InterfaceMembers</code></a>
181    <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.
182    If the <abbr>IDL</abbr> fragment to which the <i>patch</i> is applied has any
183    instance of
184    <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
185    with same
186    <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#prod-identifier"><code>identifier</code></a>
187    part as that of an instance of
188    <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
189    in the <i>patch</i>, then the former instance of
190    <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#proddef-InterfaceMember"><code>InterfaceMember</code></a>
191    <em class=rfc2119>MUST</em> be ignored.</p>
192  </div>  </div>
193    
194    <div class=section id=conformance-categories>
195    <h3>Conformance Categories</h3>
196    
197  <div class=section id=error-categories>  <p>There are several kinds of products that can be claim to conform to
198  <h2>Error Classification</h2>  this specification:</p>
199    <dl>
200    <dt id=category-dom-implementation><abbr>DOM</abbr> Implementation</dt>
201      <dd>A <abbr>DOM</abbr> implementation (or just written as
202      <q>implementation</q> in this document) provides a way to access
203      <abbr>DOM</abbr> trees for applications by implementing interfaces defined
204      by this and other documents.  Unless otherwise noted, requirements in this
205      document are applied to <abbr>DOM</abbr> implementations.  To implement
206      all the features in this document, the implementation have to implement
207      some version of <abbr>DOM</abbr> Core (e.g. <abbr>DOM</abbr> Level 3 Core
208      <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>)
209      with one or more language binding (e.g. ECMAScript and Java bindings
210      <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>
211      or Perl binding
212      <cite class="bibref normative">[<a href="#ref-DOMPERL">DOMPERL</a>]</cite>).
213      A conforming implementation <em class=rfc2119>MUST</em> also be a
214      <a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/#dfn-conforming-implementation">conforming
215      implementation</a> of the <abbr>IDL</abbr> fragments in this document, as
216      described in the <cite>Language Bindings for <abbr>DOM</abbr>
217      Specifications</cite> specification
218      <cite class="bibref normative">[<a href="#ref-DOMBIND">DOMBIND</a>]</cite>.</dd>
219    <dt id=category-xml-parser><abbr>XML</abbr> Parser (<abbr>XML</abbr> document
220    to <abbr>DOM</abbr> tree converter)</dt>
221      <dd>A software component that converts
222      <abbr>XML</abbr> 1.0 or 1.1 document
223      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
224      <a href="#ref-XML11">XML11</a>]</cite> (or fragment thereof) into a
225      <abbr>DOM</abbr> tree (or fragment thereof) in the context of this
226      document.  Note that this document does not define any particular way to
227      parse an <abbr>XML</abbr> document or to construct an <abbr>DOM</abbr>
228      document, but it defines constraints for such processing.</dd>
229    <dt id=category-xml-serializer><abbr>XML</abbr> Serializer (<abbr>DOM</abbr>
230    tree to <abbr>XML</abbr> document converter)</dt>
231      <dd>A software component that converts
232      <abbr>DOM</abbr> tree (or fragment thereof) into an <abbr>XML</abbr> 1.0 or
233      1.1 document (or fragment thereof).  Note that this document does not define
234      any particular way to serialize a <abbr>DOM</abbr> tree, but it defines
235      constraints for such processing.</dd>
236    <dt id=category-infoset-dom><abbr>XML</abbr> Information Set to
237    <abbr>DOM</abbr> Tree Converter</dt>
238      <dd>A software component that converts an <abbr>XML</abbr> information set
239      <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>
240      into a <abbr>DOM</abbr> tree.  Note that this document does not define
241      any particular way for the conversion, but it defines constraints for
242      such processing.</dd>
243    <dt id=category-dom-infoset><abbr>DOM</abbr> Tree to <abbr>XML</abbr>
244    Information Set Converter</dt>
245      <dd>A software component that converts a <abbr>DOM</abbr> tree into
246      an <abbr>XML</abbr> information set.  Note that this document does not define
247      any particular way for the conversion, but it defines constraints for
248      such processing.</dd>
249    </dl>
250    </div>
251    </div>
252    
253  <p class=ed>If a <code>Document</code> node has no  <div class=section id=dom-dtdef>
254  xml-well-formedness-error, entity-error, and unknown-error,  <h2><abbr>DOM</abbr> Document Type Definition Module</h2>
 then it is well-formed.  If a well-formed <code>Document</code>  
 node has no xml-validity-error, it is valid.</p>  
255    
256  <div class="note memo">  <p>The <abbr>DOM</abbr> Document Type Definition module, version 3.0,
257  <p>A well$B!>(Bformed <code>Document</code> can be safely serialized  introduces four interfaces:
258  into a well$B!>(Bformed XML document.  A valid <code>Document</code>  <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a>,
259  can be easily serialized into a valid XML document.</p>  <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>,
260    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
261    and <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>.
262    In addition, it modifies existing interfaces
263    <a href="#Node"><code>Node</code></a>,
264    <a href="#Document"><code>Document</code></a>,
265    <a href="#DocumentType"><code>DocumentType</code></a>,
266    <a href="#Entity"><code>Entity</code></a>, and
267    <a href="#Notation"><code>Notation</code></a>
268    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
269    
270    <div class=section id=features>
271    <h3>Feature String</h3>
272    
273    <p>In a <abbr>DOM</abbr> implementation that supports the version 3.0 of
274    the <abbr>DOM</abbr> Document Type Definition module, the
275    <code>hasFeature</code> method of a <code>DOMImplementation</code> object
276    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
277    <em class=rfc2119>MUST</em> return <code>true</code> when the parameters are
278    set to
279    <dfn id=feature-XDoctype><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></dfn>
280    and <dfn id=feature-XDoctype-3.0><code>3.0</code></dfn> respectively.  Any
281    method that takes one or more feature names, with or without version number,
282    such as <code>hasFeature</code> or <code>getFeature</code>,
283    <em class=rfc2119>MUST</em> behave in a manner consistent with it.</p>
284  </div>  </div>
285    
286  <p class=ed>To be a conforming <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#dt-validating">validating XML processor</a>,  <div class=section id=section-node>
287  ...</p>  <h3>Modifications to the <code id=Node>Node</code> Interface</h3>
288    
289  <p>Errors are classified into these  <p>The implementation of the
290  <dfn id=error-category title="error category">error categories</dfn>:</p>  <a href="#Node"><code>Node</code></a> interface
291    <em class=rfc2119>MUST</em> be modified as the following
292    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
293    <pre class=idl><code>// Additions to the Node interface
294    
295    // Additions to the NodeType definition group
296    const unsigned short <a href="#ELEMENT_TYPE_DEFINITION_NODE">ELEMENT_TYPE_DEFINITION_NODE</a> = 81001;
297    const unsigned short <a href="#ATTRIBUTE_DEFINITION_NODE">ATTRIBUTE_DEFINITION_NODE</a> = 81002;
298    </pre>
299    
300    <p>This specification adds two new types (subinterfaces) of
301    <a href="#Node"><code>Node</code></a>: element type definition (node type
302    <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>,
303    interface
304    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) and
305    attribute definition (node type
306    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>,
307    interface
308    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).  For
309    these kinds of nodes, methods and attributes in the
310    <a href="#Node"><code>Node</code></a> interface must behave as following:</p>
311    
312  <dl id=errors>  <dl>
313  <dt><dfn id=entity-error><code>entity-error</code></dfn></dt>  <dt><code id=attributes>attributes</code>,
314    <code id=localName>localName</code>,
315    <code id=namespaceURI>namespaceURI</code>, and
316    <code id=prefix>prefix</code></dt>
317      <dd>
318        <p>On getting, the attributes <em class=rfc2119>MUST</em> return
319        <code>null</code>.</p>
320      </dd>
321    <dt><code id=baseURI>baseURI</code></dt>
322    <dd>    <dd>
323      <p class=ed>@@</p>      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
324      <div class="note memo">      value of the <a href="#baseURI"><code>baseURI</code></a> attribute
325        <p>This <span class=ed>algorithm</span> does not support      of the node in the <code>ownerDocument</code> attribute of the node.
326        <abbr>DOM</abbr> tree with one or more <code>EntityReference</code>      Note that the value might be <code>null</code>.</p>
       nodes.  It is expected that any entity references are expanded  
       at the parse time and any unexpandable entity references  
       make parse time errors raised so that never result in  
       <abbr>DOM</abbr> tree with <code>EntityReference</code> nodes.</p>  
     </div>  
327    </dd>    </dd>
328  <dt><dfn id=round-trip-error><code>round-trip-error</code></dfn></dt>  <dt><code id=cloneNode>cloneNode</code></dt>
329    <dd class=ed>@@</dd>    <dd class=ed>
330  <dt><dfn id=round-trip-warning><code>round-trip-warning</code></dfn></dt>      <p>A future version of the specification is expected to define the
331        behavior of the <a href="#cloneNode"><code>cloneNode</code></a> method
332        for those kinds of nodes.  In addition, it might revise behavior of
333        the method for <a href="#Entity"><code>Entity</code></a>,
334        <a href="#Notation"><code>Notation</code></a>, and/or
335        <a href="#DocumentType"><code>DocumentType</code></a> nodes.</p>
336      </dd>
337      <!--
338      <dd class=ed>@@ If Attr and AttributeDefinition is inconsistent, then ...</dd>
339      -->
340    <dt><code id=compareDocumentPosition>compareDocumentPosition</code></dt>
341      <dd class=ed>
342        <p>A future version of the specification is expected to define the
343        behavior of the method
344        for those kinds of nodes.  In addition, it might revise behavior of
345        the method for <a href="#Entity"><code>Entity</code></a>,
346        <a href="#Notation"><code>Notation</code></a>, and/or
347        <a href="#DocumentType"><code>DocumentType</code></a> nodes.</p>
348      </dd>
349    <dt><code id=isDefaultNamespace>isDefaultNamespace</code></dt>
350      <dd><p>When invoked, the method <em class=rfc2119>MUST</em> return
351      <code>false</code>.</p></dd>
352    <dt><code id=isEqualNode>isEqualNode</code></dt>
353      <dd><p>For the <a href="#isEqualNode"><code>isEqualNode</code></a> method,
354      following items are added to the list of conditions for equality:</p>
355    
356      <ul>
357      <li>
358        <p>If the nodes are <a href="#DocumentType"><code>DocumentType</code></a>
359        and at least one of them has the support for the feature
360        <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>:</p>
361        <ul>
362        <li>they are equal according to <abbr>DOM</abbr> Level 3 Core definition
363        <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>,
364        and
365        <li>either:
366          <ul><!--
367          <li>both of them does not support the feature
368          <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>,</li>-->
369          <li>exactly one of them support the feature
370          <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
371          and the <code>length</code> attribute of the <code>NamedNodeMap</code>
372          object in the <a href="#elementTypes"><code>elementTypes</code></a>
373          attribute of it is equal to <code>0</code>, or</li>
374          <li>both of them support the feature
375          <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
376          and the values of the
377          <a href="#elementTypes"><code>elementTypes</code></a> attributes are
378          equal (equality of the
379          <a href="#elementTypes"><code>elementTypes</code></a> attribute is same
380          as that for the <code>attributes</code> attribute).</li>
381          </ul>
382        </li>
383        </ul>
384      </li>
385    
386      <li><p>If the nodes are
387      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
388      the values of the
389      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
390      attributes are equal (equality of the
391      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
392      attribute is same as that for the <code>attributes</code> attribute).</p></li>
393    
394      <li><p>If the nodes are
395      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>,
396      the values of the <a href="#declaredType"><code>declaredType</code></a> and
397      the <a href="#defaultType"><code>defaultType</code></a> attributes are
398      equal respectively.</p></li>
399    
400      <li><p>If the nodes are
401      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>,
402      the values of the <code>DOMStringList</code> objects in the
403      <a href="#allowedTokens"><code>allowedTokens</code></a> attributes
404      are equal, i.e. their <code>length</code> attribute values are equal and
405      each string exists in a list is contained in another list (their indecies
406      may be different), with an additional constraint that the number of the
407      items that are equal to a string in a list is equal to the number
408      of the items equal to the string in another list.</p></li>
409      </ul></dd>
410    <dt><code id=manakaiLocalName>manakaiLocalName</code>
411    <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
412      <dd><p class=section-info>This entry is applied only to implementations
413      that support this attribute.</p>
414    
415      <p>On getting, the attributes <em class=rfc2119>MUST</em> return
416      <code>null</code>.</p></dd>
417    <dt><code id=lookupNamespaceURI>lookupNamespaceURI</code> and
418    <code id=lookupPrefix>lookupPrefix</code></dt>
419      <dd><p>When invoked, the methods <em class=rfc2119>MUST</em> return
420      <code>null</code>.</p></dd>
421    <dt><code id=nodeName>nodeName</code></dt>
422    <dd>    <dd>
423      <p>A <a href="#round-trip-warning"><code>round-trip-warning</code></a>      <p>If the node is an
424      will be raised when a construct, which might not be restored to the same      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
425      construct when it is serialized and then re-parsed by a conforming      On getting, the attribute <em class=rfc2119>MUST</em> return the
426      processor, is encountered.</p>      name of the element type definition represented by the node.</p>
427      <div class="example memo">  
428        <p>For a <code>Comment</code> node a      <p>If the node is an
429        <a href="#round-trip-warning"><code>round-trip-warning</code></a> will      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
430        be raised, since <abbr>XML</abbr> processors are not required to      On getting, the attribute <em class=rfc2119>MUST</em> return the
431        report texts of comments for applications.</p>      name of the attribute definition represented by the node.</p>
     </div>  
432    </dd>    </dd>
433  <dt class=ed><dfn id=unknown-error><code>unknown-error</code></dfn>?</dt>  <dt><code id=nodeType>nodeType</code></dt>
   <dd class=ed>@@</dd>  
 <dt><dfn id=xml-misc-error><code>xml-misc-error</code></dt>  
   <dd>An <abbr>XML</abbr> <i>error</i> (<abbr>XML</abbr> 1.0  
   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>  
   <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#dt-error">error</a> /  
   <abbr>XML</abbr> 1.1  
   <cite class="bibref normative">[<a href="#ref-XML11">XML11</a>]</cite>  
   <a href="@@/#dt-error">error</a>)  
   that is not classified to any other <a href="#error-category">error  
   category</a>.</dd>  
 <dt><dfn id=xml-misc-fatal-error><code>xml-misc-fatal-error</code></dt>  
   <dd>An <abbr>XML</abbr> <i>fatal error</i> (<abbr>XML</abbr> 1.0  
   <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>  
   <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#dt-fatal">fatal  
   error</a> / <abbr>XML</abbr> 1.1  
   <cite class="bibref normative">[<a href="#ref-XML11">XML11</a>]</cite>  
   <a href="@@/#dt-fatal">fatal error</a>)  
   that is not classified to any other <a href="#error-category">error  
   category</a>. <span class=ed>@@ What errors fall into this category?</span></dd>  
 <dt><dfn id=xml-misc-recommendation><code>xml-misc-recommendation</code></dfn></dt>  
434    <dd>    <dd>
435      <p>An      <p>On getting, the attribute <!--<em class=rfc2119>MUST</em>--> returns
436      <a href="#xml-misc-recommendation"><code>xml-misc-recommendation</code></a>      <!-- NOTE: No MUST, to avoid circular reference (nodeType==8100[12]
437      will be raised if a <em class=rfc2119>SHOULD</em>$B!>(Blevel requirement      is defined that they MUST implement ElementType|AttributeDefinition). -->
438      in <abbr>XML</abbr> specification is not met.</p>      <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
439        (if the node is an
440        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) or
441        <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
442        (if the node is an
443        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).</p>
444    
445        <!-- NodeType -->
446    <p>Two constants are added to the <code id=NodeType>NodeType</code>
447    definition group of the <a href="#Node"><code>Node</code></a> interface as
448    following:</p>
449    <table>
450    <thead>
451    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
452    </thead>
453    <tbody>
454    <tr>
455    <th scope=row><dfn id=ELEMENT_TYPE_DEFINITION_NODE class=dom-const><code>ELEMENT_TYPE_DEFINITION_NODE</code></dfn>
456    <td><code>81001</code><td>The node is an
457    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>.</tr>
458    <tr>
459    <th scope=row><dfn id=ATTRIBUTE_DEFINITION_NODE class=dom-const><code>ATTRIBUTE_DEFINITION_NODE</code></dfn>
460    <td><code>81002</code><td>The node is an
461    <a href="#ElementTypeDefinition"><code>AttributeDefinition</code></a>.</tr>
462    </tbody>
463    </table>
464    </dd>    </dd>
465  <dt><dfn id=xml-validity-error><code>xml-validity-error</code></dfn></dt>  <dt><code id=nodeValue>nodeValue</code> and
466    <dd>A violation of validity constraint in XML document.</dd>  <code id=textContent>textContent</code></dt>
467  <dt><dfn id=xml-well-formedness-error><code>xml-well-formedness-error</code></dfn></dt>    <dd>
468    <dd><p>If an <code>xml-well-formedness-error</code> is raised,      <p>If the node is an
469    it would not be possible to generate an XML serialization that      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
470    would match to the appropriate production rule and that would not      On getting, the attributes <em class=rfc2119>MUST</em> return
471    violate to any well$B!>(Bformedness constraint in XML      <code>null</code>.</p>
472    specification <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,  
473    <a href="#ref-XML11">XML11</a>]</cite>.</p></dd>    <div class="note memo">
474      <p>Thus, on setting the attributes does nothing
475      <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
476      </div>
477    
478      <p>If the node is an
479      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
480      The attribute <em class=rfc2119>MUST</em> behave as if the node
481      were <code>Attr</code>
482      <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p></dd>
483    <dt><code id=normalize>normalize</code></dt>
484      <dd><p>When a <a href="#DocumentType"><code>DocumentType</code></a> is
485      normalized, any nodes in the <code>NamedNodeMap</code> object in the
486      <a href="#elementTypes"><code>elementTypes</code></a> attribute
487      <em class=rfc2119>MUST</em> be normalized as well.</p>
488    
489      <p>When an
490      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
491      is normalized, any nodes in the <code>NamedNodeMap</code> object in the
492      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
493      attribute <em class=rfc2119>MUST</em> be normalized as well.</p></dd>
494  </dl>  </dl>
495    
 <div class=ed><p>@@ TODO: #dt-atuseroption at user option  
 (MAY or MUST), #dt-compat for compatibility,  
 #dt-interop for interoperability</p></div>  
   
496  </div>  </div>
497    
498  <div class=section id=parsing-xml>  <div class=section id=section-document>
499  <h2>Parsing <abbr>XML</abbr> Document</h2>  <h3>Modifications to the <code id=Document>Document</code> Interface</h3>
   
 <ul>  
 <li>If the <abbr>XML</abbr> document does not begin with an  
 <abbr>XML</abbr> declaration, then raise an  
 <a href="#xml-misc-recommentation" id=xmr-xml-decl><code>xml-misc-recommendation</code></a>.</li>  
 <li>If the replacement text of an entity declaration is  
 <code>&lt;</code>, then raise an  
 <a href="#xml-misc-warning" id=xmw-entity-value-lt><code>xml-misc-warning</code></a>.<!--  
 "strongly advised to avoid" in a Note in Section 2.3 of [XML10], [XML11].  
 --></li>  
 <li>If there is an element type declaration whose <code>Name</code>  
 value is already declared, then raise an  
 <a href="#xml-validity-error" id=vc-edunique><code>xml-validity-error</code></a>.</li>  
 <li>If attribute definition whose <code>Name</code> is  
 <code>xml:space</code> has <span class=ed>declared type different from  
 (default|preserve), (default), or (preserve)</span>, then raise an  
 <a href="#xml-misc-error" id=xme-ad-xml-space><code>xml-misc-error</code></a>.  
 <span class=ed>@@ duplication with  
 <a href="#xml-at-xml-space">#xml-at-xml-space</a>.<!--  
 <!ATTLIST e xml:space CDATA #IMPLIED xml:space CDATA #IMPLIED> --></span></li>  
 <li>If an empty-element tag is used for an element which is <em>not</em>  
 declared <code>EMPTY</code>, then raise an  
 <a href="#xml-misc-recommentation" id=xmr-emptyelemtag-not-empty><code>xml-misc-recommendation</code></a>.</li>  
 <li>If an empty-element tag is <em>not</em> used for an element which is  
 declared <code>EMPTY</code>, then raise an  
 <a href="#xml-misc-recommentation" id=xmr-empty-not-emptyelemtag><code>xml-misc-recommendation</code></a>.</li>  
 <!--  
   
 #vc-PEinMarkupDecl Validity constraint: Proper Declaration/PE Nesting  
 #wfc-PEinInternalSubset Well-formedness constraint: PEs in Internal Subset  
 #ExtSubset Well-formedness constraint: External Subset  
 #PE-between-Decls Well-formedness constraint: PE Between Declarations  
 #GIMatch Well-formedness constraint: Element Type Match  
 #uniqattspec Well-formedness constraint: Unique Att Spec  
 #NoExternalRefs Well-formedness constraint: No External Entity References  
 #CleanAttrVals Well-formedness constraint: No < in Attribute Values  
 #vc-PEinGroup Validity constraint: Proper Group/PE Nesting  
 "For interoperability, if a parameter-entity reference appears in a choice, seq, or Mixed construct, its replacement text SHOULD contain at least one non-blank character, and neither the first nor last non-blank character of the replacement text SHOULD be a connector (| or ,)."  
 "For interoperability, an XML processor MAY at user option issue a warning when more than one attribute-list declaration is provided for a given element type, or more than one attribute definition is provided for a given attribute, but this is not an error."  
 #condsec-nesting Validity constraint: Proper Conditional Section/PE Nesting  
 #wf-Legalchar Well-formedness constraint: Legal Character  
 #textent Well-formedness constraint: Parsed Entity  
 #norecursion Well-formedness constraint: No Recursion  
 #indtd Well-formedness constraint: In DTD  
 "External parsed entities SHOULD each begin with a text declaration."  
 "It is an error for a reference to an unparsed entity to appear in the EntityValue in an entity declaration."  
 #UniqueNotationName Validity constraint: Unique Notation Name  
   
 @@ Need detailed review, but maybe should be in parsing phase  
   
 #vc-check-rmd Validity constraint: Standalone Document Declaration  
   
 @@ Need dtailed review  
   
 #wf-entdeclared Well-formedness constraint: Entity Declared  
 #vc-entdeclared Validity constraint: Entity Declared  
 "For interoperability, valid documents SHOULD declare the entities amp, lt, gt, apos, quot, in the form specified in 4.6 Predefined Entities."  
 "If the entities lt or amp are declared, they MUST be declared as internal entities whose replacement text is a character reference to the respective character (less-than sign or ampersand) being escaped; the double escaping is REQUIRED for these entities so that references to them produce a well-formed result. If the entities gt, apos, or quot are declared, they MUST be declared as internal entities whose replacement text is the single character being escaped (or a character reference to that character; the double escaping here is OPTIONAL but harmless)."  
   
 @@ flaged and then reported in DOM check phase  
   
 "Entities encoded in UTF-16 MUST and entities encoded in UTF-8 MAY begin with the Byte Order Mark"  
 "In the absence of external character encoding information (such as MIME headers), parsed entities which are stored in an encoding other than UTF-8 or UTF-16 MUST begin with a text declaration"  
 "In an encoding declaration, the values "UTF-8", "UTF-16", "ISO-10646-UCS-2", and "ISO-10646-UCS-4" SHOULD be used for the various encodings and transformations of Unicode / ISO/IEC 10646, the values "ISO-8859-1", "ISO-8859-2", ... "ISO-8859-n" (where n is the part number) SHOULD be used for the parts of ISO 8859, and the values "ISO-2022-JP", "Shift_JIS", and "EUC-JP" SHOULD be used for the various encoded forms of JIS X-0208-1997. It is RECOMMENDED that character encodings registered (as charsets) with the Internet Assigned Numbers Authority [IANA-CHARSETS], other than those just listed, be referred to using their registered names; other encodings SHOULD use names starting with an "x-" prefix."  
   
 @@ in parsing phase  
   
 "It is a fatal error when an XML processor encounters an entity with an encoding that it is unable to process. It is a fatal error if an XML entity is determined (via default, encoding declaration, or higher-level protocol) to be in a certain encoding but contains byte sequences that are not legal in that encoding."  
500    
501    <!--
502    <p>If an attempt is made to adopt an
503    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> or
504    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node,
505    the <code id=adoptNode>adoptNode</code> method <em class=rfc2119>MUST</em>
506    raise a <code>NOT_SUPPORTED_ERR</code> exception <span class=ed>@@
507    ref</span>.</p>
508  -->  -->
 </ul>  
 </div>  
   
 <div class="section" id=checking-dom>  
 <h2>Checking <abbr>DOM</abbr></h2>  
509    
510  <p>The following algorithms and definitions are applied to  <div class=ed>
511  <abbr>XML</abbr> documents; especially, they are not applied  <p>Future version of the specification is expected to define what should
512  to <abbr>HTML</abbr> documents.<!-- TODO: ref to HTML5 --></p>  be done if <code>adoptNode</code> or <code>importNode</code> method have to
513    adopt or import an
514  <div class=section id=definitions>  <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> or
515  <h3>Definitions</h3>  <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node.
516    In addition it might revise behavior of those methods for
517  <p>The <dfn id=xml-version><abbr>XML</abbr> version</dfn> of a node is  <a href="#Entity"><code>Entity</code></a>,
518  the <abbr>XML</abbr> version of the document to which the node belongs.  <a href="#Notation"><code>Notation</code></a>, and/or
519  For a <code>Documemt</code> node, the <abbr>XML</abbr> version  <a href="#DocumentType"><code>DocumentType</code></a> nodes.
520  of the document is the value of the <code>xmlVersion</code>  Behavior of <code>normalizeDocument</code> method for these kinds of
521  attribute of the node.  For a <code>DocumentType</code> node whose  nodes might also be defined in some day.</p>
522  <code>ownerDocument</code> attribute is set to <code>null</code>,  </div>
 the <abbr>XML</abbr> version of the document is <code>1.0</code><!--  
 since createDocumentType [DOM3CORE] assumes XML 1.0 [XML10TE] -->.  
 For any other node, the <abbr>XML</abbr> version of the document  
 is that of the <code>Document</code> node contained in the  
 <code>ownerDocument</code> attribute of the node.</p>  
   
 </div>  
   
   
 <div class=section id=checking-components>  
 <h3>Conformance Checking Algorithms for Components</h3>  
   
 <p>To  
 <dfn id=algorithm-to-validate-an-xml-character-data title="validate an XML string">to  
 validate an <abbr>XML</abbr> string (<dfn id=var-s><var>s</var></dfn>)</dfn>,  
 the following algorithm <em class=rfc2119>MUST</em> be used:</p>  
 <ol>  
 <li>If <var>s</var> contains a character that is <em>not</em> in  
 the character class <a href="#class-Char10"><code>Char10</code></a>,  
 then raise an  
 <a href="#xml-well-formedness-error" id=wfe-illegal-char><code>xml-well-formedness-error</code></a>.</li>  
 <li>If <var>s</var> contains a character that is in the character  
 class <a href="#class-CompatChar10"><code>CompatChar10</code></a>,  
 then raise an  
 <a href="#xml-misc-warning" id=xmw-compat-char><code>xml-misc-warning</code></a>.</li>  
 <li>If <var>s</var> contains a character that is in the character  
 class <a href="#class-ControlChar10"><code>ControlChar10</code></a>,  
 then raise an  
 <a href="#xml-misc-warning" id=xmw-control-char><code>xml-misc-warning</code></a>.</li>  
 <li class=ed>@@ XML 1.1 support</li>  
 <li>If <var>s</var> contains a <code class=char>U+000D</code>  
 <code class=charname>CARRIAGE RETURN</code> character, then  
 raise a  
 <a href="#round-trip-error" id=rte-cr><code>round-trip-error</code></a>.  
 <span class=ed>@@ We should not raise duplicate errors for U+000D  
 in attribute values.  In addition, we should support a mode where  
 U+000D will be serialized as &#x000D; (so that no round-trip-error  
 will be raised).</span></li>  
 </ol>  
   
 <p>To  
 <dfn id=algorithm-to-validate-a-name title="validate a Name">validate a  
 <code>Name</code> (<dfn id=var-name-s><var>s</var></dfn>)</dfn>, the following  
 algorithm <em class=rfc2119>MUST</em> be used:</p>  
 <ol>  
 <li>If <var>s</var> is an empty string, then raise an  
 <a href="#xml-well-formedness-error" id=wfe-name-empty><code>xml-well-formedness-error</code></a>.  
 Abort these steps.</li>  
 <li><a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">Validate  
 <var>s</var> as an <abbr>XML</abbr> string</a>.</li>  
 <li>If the first character in <var>s</var> is a character that is  
 <em>not</em> in the character class  
 <a href="#class-NameStartChar10"><code>NameStartChar10</code></a>, then raise  
 an  
 <a href="#xml-well-formedness-error" id=wfe-name-startchar><code>xml-well-formedness-error</code></a>.</li>  
 <li>If a character other than the first character in <var>s</var> is a  
 character that is <em>not</em> in the character class  
 <a href="#class-NameChar10"><code>NameChar10</code></a>, then raise an  
 <a href="#xml-well-formedness-error" id=wfe-name-char><code>xml-well-formedness-error</code></a>.</li>  
 <li>If <var>s</var> begins with the string <code>xml</code> (in any  
 case combination), then raise an  
 <a href="#xml-misc-warning" id=xmw-reserved-name><code>xml-misc-warning</code></a>.  
 <span class=ed>@@ except for attribute names <code>xml:lang</code>,  
 <code>xml:space</code>, <code>xml:base</code>, <code>xml:id</code>,  
 <code>xmlns</code>, <code>xmlns:<var>*</var></code>,  
 pi name <code>xml-stylesheet</code>.</span><!--  
 "names beginning with a match to (('X'|'x')('M'|'m')('L'|'l')) are reserved for standardization in this or future versions of this specification.":  
 xmlns, xml-stylesheet, xml:base and xml:id specifications violate to this sentense!  
 --></li>  
 <!-- COLON in Name is a lowercase "should not" in a Note of [XML10],  
 [XML11]. -->  
 <li class=ed>@@ XML 1.1 support</li>  
 </ol>  
   
 <p>To  
 <dfn id=algorithm-to-validate-an-ncname title="validate an NCName">validate  
 an <code>NCName</code> (<dfn id=var-ncname-s><var>s</var></dfn>)</dfn>, the  
 following algorithm <em class=rfc2119>MUST</em> be used:</p>  
 <ol>  
 <li><a href="#algorithm-to-validate-a-name" title="validate a Name">Validate  
 <var>s</var> as a <code>Name</code></a>.</li>  
 <li class=ed>@@</li>  
 </ol>  
   
 <p>To  
 <dfn id=algorithm-to-validate-a-public-identifier title="validate a public identifier">validate  
 a public identifier (<dfn id=var-pid><var>pid</var></dfn>)</dfn>, the  
 following algorithm <em class=rfc2119>MUST</em> be used:</p>  
 <ol>  
 <li>If <var>pid</var> is <code>null</code>, abort these steps.</li>  
 <li>If <var>pid</var> contains a character that is <em>not</em> in the  
 character class <a href="#class-PubidChar"><code>PubidChar</code></a>, then  
 raise an  
 <a href="#xml-well-formedness-error" id=wfe-pubid-char><code>xml-well-formedness-error</code></a>.</li>  
   <li>If <var>pid</var> contains one of <code class=char>U+0009</code>  
   <code class=charname>CHARACTER TABULATION</code>,  
   <code class=char>U+000A</code> <code class=charname>CARRIAGE RETURN</code>,  
   and <code class=char>U+000D</code> <code class=charname>LINE FEED</code>  
   characters, if the first character of <var>pid</var> is  
   <code class=char>U+0020</code> <code class=charname>SPACE</code> character,  
   if the last character of <var>pid</var> is <code class=char>U+0020</code>  
   <code class=charname>SPACE</code> character, or if there is a  
   <code class=char>U+0020</code> <code class=charname>SPACE</code> character  
   immediately followed by another <code class=char>U+0020</code>  
   <code class=charname>SPACE</code> character in <var>pid</var>, then it is a  
   <a href="#round-trip-error" id=rte-pubid-space><code>round-trip-error</code></a>.  
   <span class=ed>Is this really a roundtripness problem?  XML spec  
   does only define the way to match public identifiers in fact, no  
   canonical form.</span></li>  
 </ol>  
   
 <p>To  
 <dfn id=algorithm-to-validate-a-system-identifier title="validate a system identifier">validate  
 a system identifier (<dfn id=var-sid><var>sid</var></dfn>)</dfn>, the  
 following algorithm <em class=rfc2119>MUST</em> be used:</p>  
 <ol>  
   <li>If <var>sid</var> is <code>null</code>, abort these steps.</li>  
 <li><a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">Validate  
 <var>sid</var> as an <abbr>XML</abbr> string</a>.</li>  
   <li>If <var>sid</var> contains both <code class=char>U+0022</code>  
   <code class=charname>QUOTATION MARK</code> (<code class=char>"</code>) and  
   <code class=char>U+0027</code> <code class=charname>APOSTROPHE</code>  
   (<code class=char>'</code>) characters, raise an  
   <a href="#xml-well-formedness-error" id=wfe-sid-lit><code>xml-well-formedness-error</code></a>.</li>  
   <li>If <var>sid</var> contains at least one <code class=char>U+0023</code>  
   <code class=charname>NUMBER SIGN</code> (<code class=char>#</code>)  
   character, then raise an  
   <a href="#xml-misc-error" id=xme-sid-fragment><code>xml-misc-error</code></a>.</li>  
   <li class=ed>@@ If <var>sid</var> cannot be converted to a URI  
   reference, then raise a fact-level error (xml-misc-warning?).<!--  
   XML 1.0 has no conformance language for system identifier being  
   a URI reference. --></li>  
 </ol>  
523    
524  </div>  </div>
525    
526  <div class=section id=checking-node>  <div class=section id=section-documentxdoctype>
527  <h3>Checking <code>Node</code></h3>  <h3>The <code>DocumentXDoctype</code> Interface</h3>
528    
529  <p>The algorithm <dfn title="to check a node" id=algorithm-to-check-a-node>to  <p>The <a href="#Document"><code>Document</code></a> nodes
530  check a node (<dfn id=var-n><var>n</var></dfn>)</dfn> is defined as  <em class=rfc2119>MUST</em> also implement the
531  following:</p>  <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface.</p>
532  <dl class=switch>  
533  <dt>If <var>n</var> is an <code>Attr</code> node</dt>  <p>An instance of the
534    <dd>  <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a>
535      <ol>  interface <em class=rfc2119>MUST</em> be able to be obtained by using
536      <li><a href="#algorithm-to-validate-an-ncname">Validate the  binding$B!>(Bspecific casting methods on an instance of the
537      <code>localName</code> attribute value as an <code>NCName</code></a>.</li>  <a href="#Document"><code>Document</code></a> interface (if such
538      <li>If the <code>prefix</code> attribute value is different from  casting methods are available) or by using the method <code>getFeature</code>
539      <code>null</code>, then <a href="#algorithm-to-validate-an-ncname">validate  with parameter values
540      the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>  <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
541      <li>For each node <dfn id=var-attr-nc><var>n<sub><var>c</var></sub></var></dfn> in the  and <a href="#feature-XDoctype-3.0"><code>3.0</code></a> respectively (if the
542      <code>childNodes</code> list of <var>n</var>,  <a href="#Document"><code>Document</code></a> node supports the
543        <ol>  feature <code>Core</code> version <code>3.0</code>
544        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a  <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>).</p>
545        <code>Text</code> or <code>EntityReference</code> node, then it is an  
546        <a href="#xml-well-formedness-error" id=wfe-attr-child><code>xml-well-formedness-error</code></a>.</li>  <p>The <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface
547        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an  <em class=rfc2119>MUST</em> be implemented as the following
548        <code>EntityReference</code> node, then it is an  <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
549        <a href="#entity-error" id=ee-attr-er><code>entity-error</code></a>.</li>  <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {
550        <li>Otherwise,    DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>
551        <a href="#algorithm-to-check-a-node" title="check a node">check      (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)
552        <var>n<sub><var>c</var></sub></var></a> recusrively.</li>      raises (DOMException);
553        </ol></li>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#createElementTypeDefinition">createElementTypeDefinition</a>
554      <li>If <code>nodeName</code> attribute of <var>n</var> is      (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)
555      <code>xml:space</code> <span class=ed>@@ or {xml namespace}:space ?</span>      raises (DOMException);
556      and <code>value</code> attribute of <var>n</var> is neither    <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#createAttributeDefinition">createAttributeDefinition</a>
557      <code>default</code> nor <code>preserve</code>, then it is an      (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)
558      <a href="#xml-misc-error" id=xme-attr-xml-space><code>xml-misc-error</code></a>.<!--      raises (DOMException);
559      Note that <!ATTLIST e xml:space (default|preserve) "a">...    <a href="#Entity">Entity</a> <a href="#createGeneralEntity">createGeneralEntityDefinition</a>
560      <e xml:space="default"/> is conforming and valid. --></li>      (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)
561      <li class=ed>@@ xml:lang value is not a language tag [RFC 3066 or its      raises (DOMException);
562      successor] or an empty string, then xml-misc-warning    <a href="#Notation">Notation</a> <a href="#createNotation">createNotation</a>
563      (a "fact"-level error; not an XML error).</li>      (in DOMString <a href="#createNotation-name"><var>name</var></a>)
564      <li class=ed>@@ <code>specified</code>,      raises (DOMException);
565      <code>manakaiAttributeType</code> (#ValueType Validity constraint: Attribute Value Type)</li>  }</code></pre>
566      <!-- xml:space MUST be declared to be valid. -->  
567      <li>Let <dfn id=var-v><var>v</var></dfn> be the value of the  <dl>
568      attribute <code>value</code> of <var>n</var>.</li>  <dt><dfn id=createDocumentTypeDefinition class=dom-method><code>createDocumentTypeDefinition</code></dfn>,
569      <li>Validate the <var>n</var> against the <span class=ed>declared  method</dt>
     type</span> as following:  
       <dl class=switch>  
       <dt class=ed><code>ID_ATTR</code></dt>  
         <dd>  
           <ol>  
           <li><span class=ed>Validate <var>v</var> as an  
           <code>Name</code>.</span>  If it fails, then raise an  
           <a href="#xml-validity-error" id=vc-id-name><code>xml-validity-error</code></a>.</li>  
           <li><span class=ed>If <code>ID</code> <var>v</var> is defined,</span>  
           then raise an    
           <a href="#xml-validity-error" id=vc-id-duplication><code>xml-validity-error</code></a>.</li>  
           </ol>  
         </dd>  
       <dt class=ed>IDREF_ATTR</dt>  
         <dd>  
           <ol>  
           <li><span class=ed>Validate <var>v</var> as an  
           <code>Name</code>.</span>  If it fails, then raise an  
           <a href="#xml-validity-error" id=vc-idref-name><code>xml-validity-error</code></a>.</li>  
           <li><span class=ed>If <code>ID</code> <var>v</var> is NOT  
           defined,</span> then raise an    
           <a href="#xml-validity-error" id=vc-idref-match><code>xml-validity-error</code></a>.</li>  
           </ol>  
         </dd>  
       <dt class=ed>IDREFS_ATTR</dt>  
         <dd class=ed>@@</dd>  
       <dt class=ed>ENTITY_ATTR</dt>  
         <dd>  
           <ol>  
           <li><span class=ed>Validate <var>v</var> as an  
           <code>Name</code>.</span>  If it fails, then raise an  
           <a href="#xml-validity-error" id=vc-entname-name><code>xml-validity-error</code></a>.</li>  
           <li><span class=ed>If <code>Entity</code> <var>v</var> is NOT  
           defined,</span> then raise an    
           <a href="#xml-validity-error" id=vc-entname-match><code>xml-validity-error</code></a>.</li>  
           </ol>  
         </dd>  
       <dt class=ed>ENTITIES_ATTR</dt>  
         <dd class=ed>@@</dd>  
       <dt class=ed>NMTOKEN_ATTR</dt>  
         <dd>  
           <ol>  
           <li><span class=ed>Validate <var>v</var> as an  
           <code>Nmtoken</code>.</span>  If it fails, then raise an  
           <a href="#xml-validity-error" id=vc-nmtok-name><code>xml-validity-error</code></a>.</li>  
           </ol>  
         </dd>  
       <dt class=ed>NMTOKENS_ATTR</dt>  
         <dd class=ed>@@</dd>  
       <dt class=ed>NOTATION_ATTR</dt>  
         <dd class=ed><var>v</var> must be one of enumerated values.  
         If not, then raise an  
         <a href="#xml-validity-error" id=vc-notatn-match><code>xml-validity-error</code></a>.</dd>  
       <dt class=ed>ENUMERATED_ATTR</dt>  
         <dd class=ed><var>v</var> must be one of enumerated values.  
         If not, then raise an  
         <a href="#xml-validity-error" id=vc-enum><code>xml-validity-error</code></a>.</dd>  
       <dt class=ed>@@</dt>  
       </dl>  
     </li>  
     <li>If <span class=ed>type ID and default is NOT #IMPLIED or #REQUIRED</span>, then  
     raise an  
     <a href="#xml-validity-error" id=vc-id-default><code>xml-validity-error</code></a>.</li>  
     <li class=ed>@@ #FixedAttr Validity constraint: Fixed Attribute Default</li>  
     <li class=ed>@@ strict serialization error for U+000D, U+000A, and  
     U+0009 characters, leading/trailing U+0020, and U+0020{2,} string?</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is an <code>AttributeDefinition</code> node</dt>  
   <dd>  
     <ol>  
     <li class=ed></li>  
     <li>If <code>nodeName</code> attribute of <var>n</var> is  
     <code>xml:space</code> <span class=ed>@@ or {xml namespace}:space ?</span>  
     and <span class=ed>its declared type is different from (default|preserve),  
     (default), or (preserve)</span>, then raise an  
     <a href="#xml-misc-error" id=xme-at-xml-space><code>xml-misc-error</code></a>.</li>  
     <li>For each node <dfn id=var-ad-nc><var>n<sub><var>c</var></sub></var></dfn> in the  
     <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a  
       <code>Text</code> or <code>EntityReference</code> node, then it is an  
       <a href="#xml-well-formedness-error" id=wfe-at-child><code>xml-well-formedness-error</code></a>.</li>  
       <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an  
       <code>EntityReference</code> node, then it is an  
       <a href="#entity-error" id=ee-at-er><code>entity-error</code></a>.</li>  
       <li>Otherwise,  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recusrively.</li>  
       </ol></li>  
     <li class=ed>If <code>NOTATION_ATTR</code>, enumerated values MUST  
     be declared.  If not, then raise an  
     <a href="#xml-validity-error" id=vc-notatn-declared><code>xml-validity-error</code></a>.</li>  
     <li class=ed>If <code>NOTATION_ATTR</code> or <code>ENUMERATED_ATTR</code>,  
     values MUST all be distinct.  If not, then raise an  
     <a href="#xml-validity-error" id=vc-no-duplicate-tokens><code>xml-validity-error</code></a>.</li>  
     <li class=ed>If <code>NOTATION_ATTR</code> on an <code>EMPTY</code>  
     element, then raise an  
     <a href="#xml-validity-error" id=vc-no-notation-empty><code>xml-validity-error</code></a>.</li>  
     <li class=ed>@@ #defattrvalid Validity constraint: Attribute Default Value Syntactically Correct</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is a <code>CDATASection</code> node</dt>  
   <dd>  
     <ol>  
     <li><a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">Validate the  
     <code>data</code> attribute value as an <abbr>XML</abbr> character  
     data</a>.</li>  
     <li>If the <code>data</code> attribute value contains  
     a string <code>]]></code>, then raise an  
     <a href="#xml-well-formedness-error" id=wfe-cs-mse><code>xml-well-formedness-error</code></a>.<!-- "for compatibility" --></li>  
     <li>If the <code>childNodes</code> list of <var>n</var> contains  
     any nodes, they are in  
     <a href="#xml-well-formedness-error" id=wfe-cs-child><code>xml-well-formedness-error</code></a>.</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is a <code>Comment</code> node</dt>  
   <dd>  
     <ol>  
     <li>Raise an  
     <a href="#round-trip-warning" id=rtw-comment><code>round-trip-warning</code></a>.</li>  
     <li><a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">Validate the  
     <code>data</code> attribute value as an <abbr>XML</abbr> character  
     data</a>.</li>  
     <li>If the <code>data</code> attribute value contains  
     a string <code>--</code>, or if it ends with a character  
     <code>-</code>, then raise an  
     <a href="#xml-well-formedness-error" id=wfe-comment-com><code>xml-well-formedness-error</code></a>.<!--  
     "for compatibility" --></li>  
     <li>If the <code>childNodes</code> list of <var>n</var> contains  
     any nodes, they are in  
     <a href="#xml-well-formedness-error" id=wfe-comment-child><code>xml-well-formedness-error</code></a>.</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is a <code>Document</code> node</dt>  
   <dd>  
     <ol>  
     <li>If <a href="#xml-version"><abbr>XML</abbr> version</a> of <var>n</var>  
     is different from <code>1.0</code> or <code>1.1</code>,  
     then it is an <code class=ed>unknown-error?</code>.</li>  
     <li>If the <code>xmlEncoding</code> attribute value does <em>not</em>  
     match to <code>[A-Za-z] ([A-Za-z0-9._] | '-')*</code>  
     <span class=ed>@@ formal def</span>, then it is an  
     <a href="#xml-well-formedness-error" id=wfe-encoding><code>xml-well-formedness-error</code></a>.</li>  
     <li>The <code>childNodes</code> list of <var>n</var> have to  
     consist of zero or more <code>Comment</code> and/or  
     <code>ProcessingInstruction</code> nodes, followed by  
     an optional <code>DocumentType</code> node, followed  
     by zero or more <code>Comment</code> and/or  
     <code>ProcessingInstruction</code> nodes, followed by  
     an <code>Element</code> node, followed  
     by zero or more <code>Comment</code> and/or  
     <code>ProcessingInstruction</code> nodes.  Any violation to this is an  
     <a href="#xml-well-formedness-error" id=wfe-document-child><code>xml-well-formedness-error</code></a>.</li>  
     <li>For each node <dfn id=var-document-nc><var>n<sub><var>c</var></sub></var></dfn>  
     in the <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an  
       <code>EntityReference</code> node, then  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recursively.</li>  
       </ol></li>  
     <li class=ed>@@ <code>allDeclarationsProcessed</code></li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is a <code>DocumentFragment</code> node</dt>  
   <dd>  
     <ol>  
     <li>For each node <dfn id=var-df-nc><var>n<sub><var>c</var></sub></var></dfn>  
     in the <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an  
       <code>Element</code>, <code>Text</code>, <code>CDATASection</code>,  
       <code>Comment</code>, <code>ProcessingInstruction</code>, or  
       <code>EntityReference</code> node, then it is an  
       <a href="#xml-well-formedness-error" id=wfe-df-child><code>xml-well-formedness-error</code></a>.</li>  
       <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an  
       <code>EntityReference</code> node, then it is an  
       <a href="#entity-error" id=ee-df-er><code>entity-error</code></a>.</li>  
       <li>Otherwise,  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recursively.</li>  
       </ol></li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is a <code>DocumentType</code> node</dt>  
   <dd>  
     <ol>  
     <li><a href="#algorithm-to-validate-an-ncname">Validate the  
     <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>  
     <li>Follow the following substeps:  
       <ol>  
       <li>If <code>ownerDocument</code> attribute of <var>n</var> is  
       <code>null</code>, then abort these substeps.</li>  
       <li>If <code>documentElement</code> attribute of the node  
       set to <code>ownerDocument</code> attribute of <var>n</var> is  
       <code>null</code>, then abort these substeps.</li>  
       <li>If <code>nodeName</code> attribute of the node set to  
       <code>documentElement</code> attribute of the node set to  
       <code>ownerDocument</code> attribute of <var>n</var> is  
       different from <code>nodeName</code> of <var>n</var>,  
       then raise an  
       <a href="#xml-validity-error" id=vc-roottype><code>xml-validity-error</code></a>.</li></li>  
       </ol>  
     </li>  
     <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate  
     the <code>publicId</code> attribute value as a public identifier</a>.</li>  
     <li><a href="#algorithm-to-validate-a-system-identifier" title="validate a system identifier">Validate  
     the <code>systemId</code> attribute value as a system identifier</a>.</li>  
     <li>If the <code>publicId</code> attribute value of <var>n</var> is  
     <em>not</em> <code>null</code> and the <code>systemId</code> attribute  
     value of <var>n</var> is <code>null</code>, then raise an  
     <a href="#xml-well-formedness-error" id=wfe-dt-sid><code>xml-well-formedness-error</code></a>.  
     <span class=ed>@@ publicId == null?  Or, publicId == ""</span></li>  
     <li>For each node <dfn id=var-dt-nc><var>n<sub><var>c</var></sub></var></dfn>  
     in the <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a  
       <code>ProcessingInstruction</code> node, then it is an  
       <a href="#xml-well-formedness-error" id=wfe-dt-child><code>xml-well-formedness-error</code></a>.  
       <span class=ed>@@ ref to manakai's extensions</span></li>  
       <li>Otherwise, <!-- if n_c is not an EntityReference node, -->  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recusrively.</li>  
       </ol></li>  
     <li>For each node in the <code>entities</code>, <code>notations</code>,  
     and <code>elementTypes</code> lists of <var>n</var>,  
     <a href="#algorithm-to-check-a-node" title="check a node">check the  
     node</a> recursively.</li>  
     <li class=ed>@@ externally declared?</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is an <code>Element</code> node</dt>  
   <dd>  
     <ol>  
     <li><a href="#algorithm-to-validate-an-ncname">Validate the  
     <code>localName</code> attribute value as an <code>NCName</code></a>.</li>  
     <li>If the <code>prefix</code> attribute value is different from  
     <code>null</code>, then <a href="#algorithm-to-validate-an-ncname">validate  
     the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>  
     <li>For each node <dfn id=var-element-nc><var>n<sub><var>c</var></sub></var></dfn>  
     in the <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an  
       <code>Element</code>,  
       <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,  
       <code>ProcessingInstruction</code>, or  
       <code>EntityReference</code> node, then it is an  
       <a href="#xml-well-formedness-error" id=wfe-element-child><code>xml-well-formedness-error</code></a>.</li>  
       <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an  
       <code>EntityReference</code> node, then it is an  
       <a href="#entity-error" id=ee-element-er><code>entity-error</code></a>.</li>  
       <li>Otherwise,  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recursively.</li>  
       </ol></li>  
     <li class=ed>@@ #elementvalid Validity constraint: Element Valid</li>  
     <li>Let <var>attrs</var> be the value of the <code>attribute</code>  
     attribute of <var>n</var>.  Check conformance of <var>attrs</var>  
     as following:  
       <ol>  
       <li>If <var>attrs</var> contains an <code>Attr</code> node whose  
       <code>nodeName</code> attribute value is equal to that of another  
       <code>Attr</code> node in <var>attrs</var>, then raise an  
       <a href="#xml-well-formedness-error" id=wfe-uniqattspec><code>xml-well-formedness-error</code></a>.<!--  
       #uniqattspec Well-formedness constraint: Unique Att Spec --></li>  
       <li class=ed>@@ #RequiredAttr Validity constraint: Required Attribute</li>  
       </ol>  
     </li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is an <code>ElementTypeDefinition</code> node</dt>  
   <dd>  
     <ol>  
     <li class=ed></li>  
     <li>If the <code>childNodes</code> list of <var>n</var> contains  
     any nodes, they are in  
     <a href="#xml-well-formedness-error" id=wfe-et-child><code>xml-well-formedness-error</code></a>.</li>  
     <li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#elemdecls">At user option, an XML processor MAY issue a warning when a declaration mentions an element type for which no declaration is provided, but this is not an error.</q></li>  
     <li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#sec-element-content">For compatibility, it is an error if the content model allows an element to match more than one occurrence of an element type in the content model. </q></li>  
     <li class=ed>@@ #vc-MixedChildrenUnique  
     Validity constraint: No Duplicate Types</li>  
     <li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#attdecls">At user option, an XML processor MAY issue a warning if attributes are declared for an element type not itself declared, but this is not an error.</q></li>  
     <li>If there is more than one <code>AttributeDefinition</code> node  
     with <span class=ed>attribute type <code>ID</code></span> in the  
     <code>NamedNodeMap</code> list contained in the  
     <code>attributeDefinitions</code> attribute of <var>n</var>, then raise an  
     <a href="#xml-validity-error" id=vc-one-id-per-el><code>xml-validity-error</code></a>.</li>  
     <li>If there is more than one <code>AttributeDefinition</code> node  
     with <span class=ed>attribute type <code>NOTATION</code></span> in the  
     <code>NamedNodeMap</code> list contained in the  
     <code>attributeDefinitions</code> attribute of <var>n</var>, then raise an  
     <a href="#xml-validity-error" id=vc-one-notation-per><code>xml-validity-error</code></a>.</li>  
     <li class=ed>"For interoperability, the same Nmtoken  SHOULD NOT occur more than once in the enumerated attribute types of a single element type."</li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is an <code>Entity</code> node whose  
 <code>notationName</code> attribute value is <code>null</code> (i.e. a  
 parsed entity)</dt>  
   <dd>  
     <ol>  
     <li>Raise an  
     <a href="#entity-error" id=ee-entity-node><code>entity-error</code></a>.</li>  
     <li><a href="#algorithm-to-validate-an-ncname">Validate the  
     <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>  
     <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate  
     the <code>publicId</code> attribute value as a public identifier</a>.</li>  
     <li><a href="#algorithm-to-validate-a-system-identifier" title="validate a system identifier">Validate  
     the <code>systemId</code> attribute value as a system identifier</a>.</li>  
     <li>If the <code>publicId</code> attribute value of <var>n</var> is  
     <em>not</em> <code>null</code> and the <code>systemId</code> attribute  
     value of <var>n</var> is <code>null</code>, then raise an  
     <a href="#xml-well-formedness-error" id=wfe-entity-sid><code>xml-well-formedness-error</code></a>.</li>  
     <li>For each node <dfn id=var-entity-nc><var>n<sub><var>c</var></sub></var></dfn>  
     in the <code>childNodes</code> list of <var>n</var>,  
       <ol>  
       <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an  
       <code>Element</code>,  
       <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,  
       <code>ProcessingInstruction</code>, or <code>EntityReference</code>  
       node, then it is an  
       <a href="#xml-well-formedness-error" id=wfe-entity-child><code>xml-well-formedness-error</code></a>.</li>  
       <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an  
       <code>EntityReference</code> node, then it is an  
       <a href="#entity-error" id=ee-er-er><code>entity-error</code></a>.</li>  
       <li>Otherwise,  
       <a href="#algorithm-to-check-a-node" title="check a node">check  
       <var>n<sub><var>c</var></sub></var></a> recursively.</li>  
       </ol></li>  
     </ol>  
   </dd>  
 <dt>If <var>n</var> is an <code>Entity</code> node whose  
 <code>notationName</code> attribute value is <em>not</em> <code>null</code>  
 (i.e. an unparsed entity)</dt>  
570    <dd>    <dd>
571      <ol>      <p>This method creates a <code>DocumentType</code> node with the specified
572      <li><a href="#algorithm-to-validate-an-ncname">Validate the      name, belonging to the document.</p>
573      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <p>The
574      <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate      <dfn id=createDocumentTypeDefinition-name class=dom-param><var>name</var></dfn>
575      the <code>publicId</code> attribute value as a public identifier</a>.</li>      parameter is the name of the document type.</p>
576      <li><a href="#algorithm-to-validate-a-system-identifier" title="validate a system identifier">Validate  
577      the <code>systemId</code> attribute value as a system identifier</a>.</li>      <p>When invoked, the method <em class=rfc2119>MUST</em> create and
578      <li>If the <code>systemId</code> attribute value of <var>n</var> is      return a <a href="#DocumentType"><code>DocumentType</code></a> node with
579      <code>null</code>, then raise an      the following attributes:</p>
580      <a href="#xml-well-formedness-error" id=wfe-uentity-sid><code>xml-well-formedness-error</code></a>.</li>      <dl>
581      <li><a href="#algorithm-to-validate-an-ncname">Validate the      <dt><code>attributes</code>, <code>parentNode</code></dt>
582      <code>notationName</code> attribute value of <var>n</var> as an        <dd><code>null</code>.</dd>
583      <code>NCName</code></a>.</li>      <dt><a href="#elementTypes"><code>elementTypes</code></a>,
584      <li class=ed>@@ #not-declared Validity constraint: Notation Declared</li>      <a href="#entities"><code>entities</code></a>, and
585      <li>If the <code>childNodes</code> list of <var>n</var> contains      <a href="#notations"><code>notations</code></a></dt>
586      any nodes, they are in        <dd>Empty <code>NamedNodeMap</code> objects respectively.</dd>
587      <a href="#xml-well-formedness-error" id=wfe-uentity-child><code>xml-well-formedness-error</code></a>.</li>      <dt><code>childNodes</code></dt>
588      </ol>        <dd>An empty <code>NodeList</code> object.</dd>
589        <dt><a href="#internalSubset"><code>internalSubset</code></a>,
590        <a href="#publicId"><code>publicId</code></a>, and
591        <a href="#systemId"><code>systemId</code></a></dt>
592          <dd>Empty strings.</dd>
593        <dt><code>nodeName</code></dt>
594          <dd><a href="#createDocumentTypeDefinition-name"><var>name</var></a>.</dd>
595        <dt><code>ownerDocument</code></dt>
596          <dd>The <a href="#Document"><code>Document</code></a> node over which the
597          method is invoked.</dd>
598        </dl>
599        <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
600        <a href="#read-only">read$B!>(Bonly</a>.</p>
601        <p>In addition, the method <em class=rfc2119>MUST</em> be marked as
602        containing five general entity declarations: <code>amp</code>,
603        <code>lt</code>, <code>gt</code>, <code>quot</code>, and
604        <code>apos</code>.</p>
605    </dd>    </dd>
606  <dt>If <var>n</var> is an <code>EntityReference</code> node</dt>  <dt><dfn id=createElementTypeDefinition class=dom-method><code>createElementTypeDefinition</code></dfn>,
607    method</dt>
608    <dd>    <dd>
609      <ol>      <p>This method creates a <code>ElementTypeDefinition</code> node with the
610      <li>An <a href="#entity-error" id=ee-er-node><code>entity-error</code></a>.</li>      specified name, belonging to the document.</p>
611      <li><a href="#algorithm-to-validate-an-ncname">Validate the      <p>The <dfn id=createElementTypeDefinition-name class=dom-param><var>name</var></dfn>
612      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      parameter is the name of the element type defined by the element
613      <li>For each node <dfn id=var-er-nc><var>n<sub><var>c</var></sub></var></dfn>      type definition.</p>
614      in the <code>childNodes</code> list of <var>n</var>,  
615        <ol>      <p>When invoked, the method <em class=rfc2119>MUST</em> create and
616        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an      return an
617        <code>Element</code>,      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
618        <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,      node with the following attributes:</p>
619        <code>ProcessingInstruction</code>, or <code>EntityReference</code>      <dl>
620        node, then it is an      <dt><a href="#attributeDefinitions"><code>attributeDefinitions</code></a></dt>
621        <a href="#xml-well-formedness-error" id=wfe-er-child><code>xml-well-formedness-error</code></a>.</li>        <dd>An empty <code>NamedNodeMap</code> object.</dd>
622        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is <em>not</em> an      <dt><code>childNodes</code></dt>
623        <code>EntityReference</code> node, then it is an        <dd>An empty <code>NodeList</code> object.</dd>
624        <a href="#entity-error" id=ee-entity-er><code>entity-error</code></a>.</li>      <dt><a href="#nodeName"><code>nodeName</code></a></dt>
625        <li>Otherwise,        <dd><a href="#createElementTypeDefinition-name"><var>name</var></a>.</dd>
626        <a href="#algorithm-to-check-a-node" title="check a node">check      <dt><code>ownerDocument</code></dt>
627        <var>n<sub><var>c</var></sub></var></a> recursively.</li>        <dd>The <code>Document</code> node over which the method is invoked.</dd>
628        </ol></li>      <dt><a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
629      </ol>      and <code>parentNode</code></dt>
630          <dd><code>null</code>.</dd>
631        </dl>
632        <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
633        <a href="#read-only">read$B!>(Bonly</a>.</p>
634    </dd>    </dd>
635  <dt>If <var>n</var> is a <code>Notation</code> node</dt>  <dt><dfn id=createAttributeDefinition class=dom-method><code>createAttributeDefinition</code></dfn>,
636    method</dt>
637    <dd>    <dd>
638      <ol>      <p>This method creates a <code>AttributeDefinition</code> node with the
639      <li><a href="#algorithm-to-validate-an-ncname">Validate the      specified name, belonging to the document.</p>
640      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <p>The <dfn id=createAttributeDefinition-name class=dom-param><var>name</var></dfn>
641      <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate      parameter is the name of the attribute defined by the attribute
642      the <code>publicId</code> attribute value as a public identifier</a>.</li>      definition.</p>
643      <li><a href="#algorithm-to-validate-a-system-identifier" title="validate a system identifier">Validate  
644      the <code>systemId</code> attribute value as a system identifier</a>.</li>      <p>When invoked, the method <em class=rfc2119>MUST</em> create and
645      <li>If the <code>childNodes</code> list of <var>n</var> contains      return an
646      any nodes, they are in      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
647      <a href="#xml-well-formedness-error" id=wfe-notation-child><code>xml-well-formedness-error</code></a>.</li>      node with the following attributes:</p>
648      </ol>      <dl>
649        <dt><a href="#allowedTokens"><code>allowedTokens</code></a></dt>
650          <dd>An empty <code>DOMStringList</code> object.</dd>
651        <dt><code>childNodes</code></dt>
652          <dd>An empty <code>NodeList</code> object.</dd>
653        <dt><a href="#declaredType"><code>declaredType</code></a></dt>
654          <dd><a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</dd>
655        <dt><a href="#defaultType"><code>defaultType</code></a></dt>
656          <dd><a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</dd>
657        <dt><a href="#nodeName"><code>nodeName</code></a></dt>
658          <dd><a href="#createAttributeDefinition-name"><var>name</var></a>.</dd>
659        <dt><code>ownerDocument</code></dt>
660          <dd>The <code>Document</code> node over which the method is invoked.</dd>
661        <dt><a href="#ownerElementTypeDefinition"><code>ownerElementTypeDefinition</code></a>
662        and <code>parentNode</code></dt>
663          <dd><code>null</code>.</dd>
664        </dl>
665        <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
666        <a href="#read-only">read$B!>(Bonly</a>.</p>
667    
668        <!-- This requirement, if not droped, should be part of xml-id spec.
669        <div class=ed>
670        <p>@@ Should we keep these statements?:
671    However, if the &lt;cfg::cfg|xml-id> configuration
672    parameter is set to <code>true</code> and the <var>name</var>
673    is <code>xml:id</code>, then the [CODE(DOMa)@en[[[declaredType]]]]
674    attribute is set to <code>ID_ATTR</code>.
675    [CODE(DOMa)@en[[[defaultType]]]]?</p>
676        </div>-->
677    </dd>    </dd>
678  <dt>If <var>n</var> is a <code>ProcessingInstruction</code> node</dt>  <dt><dfn id=createGeneralEntity class=dom-method><code>createGeneralEntity</code></dfn>,
679    method</dt>
680    <dd>    <dd>
681      <ol>      <p>This method creates a <a href="#Entity"><code>Entity</code></a> node
682      <li>If the <code>target</code> attribute value matches to the string      with the specified name, which represents a general entity, belonging to
683      <code>xml</code> in any case combination, then raise a      the document.</p>
684      <a href="#xml-well-formedness-error" id=wfe-pi-xml><code>xml-well-formedness-error</code></a>.</li>      <p>The <dfn id=createGeneralEntity-name class=dom-param><var>name</var></dfn>
685      <li>Otherwise, <a href="#algorithm-to-validate-an-ncname">validate the      parameter is the name of the general entity.</p>
686      <code>target</code> attribute value as an <code>NCName</code></a>.</li>  
687      <li>Then,      <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
688      <a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">validate      an <a href="#Entity"><code>Entity</code></a> node with the following
689      the <code>data</code> attribute value as an <abbr>XML</abbr> character      attributes:</p>
690      data</a>.</li>      <dl>
691      <li>If the <code>data</code> attribute value contains a string      <dt><code>childNodes</code></dt>
692      <code>?></code>, then raise a        <dd>An empty <code>NodeList</code> object.</dd>
693      <a href="#xml-well-formedness-error" id=wfe-pi-pic><code>xml-well-formedness-error</code></a>.</li>      <dt><code>manakaiDeclarationBaseURI</code>,
694      <li>If the <code>data</code> attribute value starts with either      <code>manakaiEntityBaseURI</code>, and <code>manakaiEntityURI</code>
695      <code class=char>U+0009</code> <code class=charname>CHARACTER      <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
696      TABULATION</code>, <code class=char>U+000A</code> <code class=charname>LINE        <dd><p class=section-info>This entry is applied only to implementations
697      FEED</code>, <code class=char>U+000D</code> <code class=charname>CARRIAGE        that support these attributes.</p>
698      RETURN</code>, or <code class=char>U+0020</code>  
699      <code class=charname>SPACE</code> character, then raise a        <p>No explicit value is set.</p></dd>
700      <a href="#round-trip-error" id=rte-pi-s><code>round-trip-error</code></a>.</li>      <dt><a href="#hasReplacementTree"><code>hasReplacementTree</code></a> and
701      <li>If the <code>childNodes</code> list of <var>n</var> contains      <a href="#isExternallyDeclared"><code>isExternallyDeclared</code></a></dt>
702      any nodes, then raise an        <dd><p><code>false</code>.</p></dd>
703      <a href="#xml-well-formedness-error" id=wfe-pi-child><code>xml-well-formedness-error</code></a>.</li>      <dt><code>nodeName</code></dt>
704      </ol>        <dd><a href="#createGeneralEntity-name"><var>name</var></a>.</dd>
705    </dd>        <dd>
706  <dt>If <var>n</var> is a <code>Text</code> node</dt>          <div class="note memo">
707              <p>It is not an error for
708              <a href="#createGeneralEntity-name"><var>name</var></a> matching
709              to the name of one of predefined general parsed entities in
710              <abbr>XML</abbr> or <abbr>HTML</abbr>.  For example,
711              <a href="#createGeneralEntity-name"><var>name</var></a> might be
712              <code>amp</code>, resulting in an
713              <a href="#Entity"><code>Entity</code></a> node
714              with its <code>nodeName</code> attribute set to <code>amp</code>.</p>
715            </div>
716          </dd>
717        <dt><a href="#notationName"><code>notationName</code></a>,
718        <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>,
719        and <code>parentNode</code></dt>
720          <dd><code>null</code>.</dd>
721        <dt><code>ownerDocument</code></dt>
722          <dd>The <code>Document</code> node over which the method is invoked.</dd>
723        <dt><a href="#publicId"><code>publicId</code></a> and
724        <a href="#systemId"><code>systemId</code></a></dt>
725          <dd><code>null</code>.</dd>
726          <dd class=ed>@@ publicId and systemId should be empty string?</dd>
727        </dl>
728      <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
729      <a href="#read-only">read$B!>(Bonly</a>.</p></dd>
730    <dt><dfn id=createNotation class=dom-method><code>createNotation</code></dfn>,
731    method</dt>
732    <dd>    <dd>
733      <ol>      <p>This method creates a <code>Notation</code> node with the
734      <li><a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML string">Validate the      specified name, belonging to the document.</p>
735      <code>data</code> attribute value as an <abbr>XML</abbr> character      <p>The <dfn id=createNotation-name class=dom-param><var>name</var></dfn>
736      data</a>.</li>      parameter is the name of the notation.</p>
737      <li>If the <code>childNodes</code> list of <var>n</var> contains  
738      any nodes, they are in      <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
739      <a href="#xml-well-formedness-error" id=wfe-text-child><code>xml-well-formedness-error</code></a>.</li>      a <code>Notation</code> node with the following attributes:</p>
740      </ol>      <dl>
741    </dd>      <dt><code>childNodes</code></dt>
742  <dt>Otherwise</dt>        <dd>An empty <code>NodeList</code> object.</dd>
743    <dd><span class=ed>xml-well-formedness-error?  unknown-error?</span></dd>      <dt><code>manakaiDeclarationBaseURI</code>
744        <cite class="bibref normative">[<a href="#ref-MANAKAI">MANAKAI</a>]</cite></dt>
745          <dd><p class=section-info>This entry is applied only to implementations
746          that support these attributes.</p>
747    
748          <p>No explicit value is set.</p></dd>
749        <dt><code>nodeName</code></dt>
750          <dd><a href="#createNotation-name"><var>name</var></a>.</dd>
751        <dt><code>ownerDocument</code></dt>
752          <dd><p>The <a href="#Document"><code>Document</code></a> node over which
753          the method is invoked.</p></dd>
754        <dt><a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
755        and <code>parentNode</code></dt>
756          <dd><code>null</code>.</dd>
757        <dt><a href="#publicId"><code>publicId</code></a> and
758        <a href="#systemId"><code>systemId</code></a></dt>
759          <dd><code>null</code>.</dd>
760          <dd class=ed>@@ publicId and systemId should be empty string?</dd>
761        </dl>
762      <p>The returned node <em class=rfc2119>MUST NOT</em> be marked as
763      <a href="#read-only">read$B!>(Bonly</a>.</p></dd>
764  </dl>  </dl>
765    
766    <p>These methods <em class=rfc2119>MUST</em> raise an
767    <code>INVALID_CHARACTER_ERR</code> if <var>name</var> is <em>not</em> a legal
768    <code>Name</code>
769    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
770    <a href="#ref-XML11">XML11</a>]</cite> according to the <abbr>XML</abbr>
771    version specified in the <code>xmlVersion</code> attribute of the
772    <a href="#Document"><code>Document</code></a> node.</p>
773    
774    <div class="note memo">
775    <p>Non$B!>(B<abbr>XML</abbr> case is intentionally left unspecified for now,
776    since <abbr>DOM</abbr> Level 3 Core specification
777    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>
778    does not define it for <a href="#Document"><code>Document</code></a>
779    methods.</p>
780    
781    <p><var>name</var> does not have to be a namespace qualified name.</p>
782  </div>  </div>
783    
784  </div>  </div>
785    
 <div id=classes class=section>  
 <h2>Character Classes</h2>  
786    
787  <p>This section defines a couple of character classes.  <div class=section id=section-documenttype>
788  These classes are referred to by algorithms specified above.</p>  <h3>Modifications to the <code id=DocumentType>DocumentType</code>
789    Interface</h3>
790    
791    <p>A <a href="#DocumentType"><code>DocumentType</code></a> interface
792    <em class=rfc2119>MAY</em> contain zero or more
793    <code>ProcessingInstruction</code> nodes in the <code>NodeList</code> object
794    contained in the <code>childNodes</code> attribute of the
795    <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
796    
797    <p>If the <a href="#DocumentType"><code>DocumentType</code></a> node is created
798    during the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr>
799    document, the <code>NodeList</code> object in the <code>childNodes</code>
800    object <em class=rfc2119>MUST</em> contains the
801    <code>ProcessingInstruction</code> nodes representing the processing
802    instructions in the document type definition of the document processed
803    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
804    <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr> processor.  If
805    the <a href="#DocumentType"><code>DocumentType</code></a> node is marked as
806    <a href="#read-only">read$B!>(Bonly</a>, then all the child nodes
807    <em class=rfc2119>MUST</em> also be marked as
808    <a href="#read-only">read$B!>(Bonly</a>.</p>
809    
810    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is created
811    from a
812    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.doctype">document
813    type declaration information item</a>
814    <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>,
815    the <code>NodeList</code> object in the <code>childNodes</code> attribute
816    of the node <em class=rfc2119>MUST</em> contain the
817    <code>ProcessingInstruction</code> nodes created from any
818    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.pi">processing
819    instruction information items</a> in the list in the [children] property of the
820    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.doctype">document
821    type declaration item</a> in the same order.</p>
822    
823    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is mapped to
824    a document type declaration information item, the list in the [children]
825    property <em class=rfc2119>MUST</em> contain the processng instruction
826    information items created from the <code>ProcessingInstruction</code> nodes
827    in the <code>NodeList</code> object in the <code>childNodes</code> attribute
828    of the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
829    
830    <p>The implementation of the
831    <a href="#DocumentType"><code>DocumentType</code></a> interface
832    <em class=rfc2119>MUST</em> be modified as the following
833    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
834    <pre class=idl><code>// Modifications to the DocumentType interface
835      attribute DOMString <a href="#publicId">publicId</a>;
836      attribute DOMString <a href="#systemId">systemId</a>;
837    
838      attribute DOMString <a href="#internalSubset">internalSubset</a>;
839    </code></pre>
840    
841    <p>The <code id=publicId>publicId</code> attribute and the
842    <code id=systemId>systemId</code> attribute of
843    <a href="#DocumentType"><code>DocumentType</code></a>,
844    <a href="#Entity"><code>Entity</code></a>, and
845    <a href="#Notation"><code>Notation</code></a> interfaces are no longer
846    read$B!>(Bonly.</p>
847    
848    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
849    <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
850    <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
851    set the specified value as the value associated to the attribute.  No
852    normalization, relative reference resolution, or lexical validation is
853    performed. <span class=ed>@@ If the new value is <code>null</code>, should an
854    empty string be set?</span></p>
855    
 <p>Character class <dfn id=class-Char10><code>Char10</code></dfn>  
 contains the following characters:</p>  
 <ul>  
 <li><code class=char>U+0009</code> <code class=charname>CHARACTER  
 TABULATION</code></li>  
 <li><code class=char>U+000A</code> <code class=charname>LINE FEED</code></li>  
 <li><code class=char>U+000D</code> <code class=charname>CARRIAGE  
 RETURN</code></li>  
 <li><code class=char>U+0020</code> <code class=charname>SPACE</code>  
 .. <code class=char>U+D7FF</code></li>  
 <li><code class=char>U+E000</code> .. <code class=char>U+FFFD</code>  
 <code class=charname>REPLACEMENT CHARACTER</code></li>  
 <li><code class=char>U+10000</code> .. <code class=char>U+10FFFF</code></li>  
 </ul>  
 <div class="note memo">  
 <p>This character class contains all characters allowed in the production rule  
 <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-Char"><code>Char</code></a>  
 of <abbr>XML</abbr> 1.0  
 <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>.</p>  
 </div>  
   
 <p>Character class <dfn id=class-CompatChar10><code>CompatChar10</code></dfn>  
 contains the following characters:</p>  
 <ul>  
 <li class=ed>@@ <q>Document authors are encouraged to avoid "compatibility characters", as defined in section 6.8 of [Unicode @@ Unicode 2.0 @@] (see also D21 in section 3.6 of [Unicode3]).</q></li>  
 </ul>  
   
 <p>Character class <dfn id=class-ControlChar10><code>ControlChar10</code></dfn>  
 contains the following characters:</p>  
 <ul>  
 <li><code class=char>U+007F</code> <code class=charname>DELETE</code> ..  
 <code class=char>U+0084</code> <code class=charname>INDEX</code></li>  
 <li><code class=char>U+0086</code> <code class=charname>START OF SELECTED  
 AREA</code> .. <code class=char>U+009F</code> <code class=charname>APPLICATION  
 PROGRAM COMMAND</code></li>  
 <li><code class=char>U+FDD0</code> .. <code class=char>U+FDEF</code></li>  
 <li><code class=char>U+1FFFE</code> .. <code class=char>U+1FFFF</code></li>  
 <li><code class=char>U+2FFFE</code> .. <code class=char>U+2FFFF</code></li>  
 <li><code class=char>U+3FFFE</code> .. <code class=char>U+3FFFF</code></li>  
 <li><code class=char>U+4FFFE</code> .. <code class=char>U+4FFFF</code></li>  
 <li><code class=char>U+5FFFE</code> .. <code class=char>U+5FFFF</code></li>  
 <li><code class=char>U+6FFFE</code> .. <code class=char>U+6FFFF</code></li>  
 <li><code class=char>U+7FFFE</code> .. <code class=char>U+7FFFF</code></li>  
 <li><code class=char>U+8FFFE</code> .. <code class=char>U+8FFFF</code></li>  
 <li><code class=char>U+9FFFE</code> .. <code class=char>U+9FFFF</code></li>  
 <li><code class=char>U+AFFFE</code> .. <code class=char>U+AFFFF</code></li>  
 <li><code class=char>U+BFFFE</code> .. <code class=char>U+BFFFF</code></li>  
 <li><code class=char>U+CFFFE</code> .. <code class=char>U+CFFFF</code></li>  
 <li><code class=char>U+DFFFE</code> .. <code class=char>U+DFFFF</code></li>  
 <li><code class=char>U+EFFFE</code> .. <code class=char>U+EFFFF</code></li>  
 <li><code class=char>U+FFFFE</code> .. <code class=char>U+FFFFF</code></li>  
 <li><code class=char>U+10FFFE</code> .. <code class=char>U+10FFFF</code></li>  
 </ul>  
856  <div class="note memo">  <div class="note memo">
857  <p>This character class contains the characters listed in the Note in  <p>Setting an invalid identifier might make the node unserializable.
858  <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#charsets">Section 2.2</a>  Setting a public identifier while leaving system identifier unspecified
859  of <abbr>XML</abbr> 1.0  would also make the <a href="#DocumentType"><code>DocumentType</code></a>
860  <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>,  or <a href="#Entity"><code>Entity</code></a> node unserializable.</p>
 as amended by  
 <a href="http://www.w3.org/XML/xml-V10-4e-errata#E02">errata</a>.</p>  
861  </div>  </div>
862    
863  <p>The character class <dfn id=class-NameStartChar10><code>NameStartChar10</code></dfn>  <div class=ed>
864  contains the following characters:</p>  <p>ISSUE: In HTML5, Firefox 1.5, and Opera 9, not specifying public or system identifier results in empty strings.</p>
 <ul class=ed>  
 </ul>  
 <div class="note memo">  
 <p>This character class contains all characters allowed as the first character  
 of a string matching to the production rule  
 <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-Name"><code>Name</code></a>  
 of <abbr>XML</abbr> 1.0  
 <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>.</p>  
865  </div>  </div>
866    
867  <p>The character class <dfn id=class-NameChar10><code>NameChar10</code></dfn>  <p>The <code id=internalSubset>internalSubset</code> attribute of the
868  contains the following characters:</p>  <a href="#DocumentType"><code>DocumentType</code></a> interface is no longer
869  <ul>  read$B!>(Bonly.</p>
870  <li>The characters in the character class  
871  <a href="#class-NameStartChar10">NameStartChar10</a>.</li>  <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
872  <li class=ed></li>  <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
873  </ul>  <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
874  <div class="note memo">  set the specified value as the value associated to the attribute.  No
875  <p>This character class contains all characters allowed as the second  normalization, or lexical validation is performed.  <span class=ed>@@ If the
876  character of a string matching to the production rule  new value is <code>null</code>, should an empty string be set?</span></p>
877  <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-Name"><code>Name</code></a>  
878  of <abbr>XML</abbr> 1.0  </div>
879  <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>.</p>  
880  </div>  <div class=section id=section-documenttypedefinition>
881    <h3>The <code>DocumentTypeDefinition</code> Interface</h3>
882  <p>The character class <dfn id=class-PubidChar><code>PubidChar</code></dfn>  
883  contains the following characters:</p>  <p>The <a href="#DocumentType"><code>DocumentType</code></a> nodes
884  <ul>  <em class=rfc2119>MUST</em> also implement the
885  <li><code class=char>U+0009</code> <code class=charname>CHARACTER  <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
886  TABULATION</code></li>  interface.</p>
887  <li><code class=char>U+000A</code> <code class=charname>LINE FEED</code></li>  
888  <li><code class=char>U+000D</code> <code class=charname>CARRIAGE  <p>An instance of the
889  RETURN</code></li>  <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
890  <li><code class=char>U+0020</code> <code class=charname>SPACE</code></li>  interface <em class=rfc2119>MUST</em> be able to be obtained by using
891  <li><code class=char>U+0021</code> <code class=charname>EXCLAMATION MARK</code>  binding$B!>(Bspecific casting methods on an instance of the
892  (<code class=char>!</code>)</li>  <a href="#DocumentType"><code>DocumentType</code></a> interface (if such
893  <li><code class=char>U+0023</code> <code class=charname>DOLLAR SIGN</code>  casting methods are available) or by using the method <code>getFeature</code>
894  (<code class=char>$</code>)</li>  with parameter values
895  <li><code class=char>U+0024</code> <code class=charname>NUMBER SIGN</code>  <a href="#feature-XDoctype"><code>http://suika.fam.cx/www/2006/feature/XDoctype</code></a>
896  (<code class=char>#</code>)</li>  and <a href="#feature-XDoctype-3.0"><code>3.0</code></a> respectively (if the
897  <li><code class=char>U+0025</code> <code class=charname>PERCENT SIGN</code>  <a href="#DocumentType"><code>DocumentType</code></a> node supports the
898  (<code class=char>%</code>)</li>  feature <code>Core</code> version <code>3.0</code>
899  <li><code class=char>U+0027</code> <code class=charname>APOSTROPHE</code>  <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>).</p>
900  (<code class=char>'</code>)</li>  
901  <li><code class=char>U+0028</code> <code class=charname>LEFT PARENTHESIS</code>  <p>The
902  (<code class=char>(</code>)</li>  <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
903  <li><code class=char>U+0029</code> <code class=charname>RIGHT  interface <em class=rfc2119>MUST</em> be implemented as the following
904  PARENTHESIS</code> (<code class=char>)</code>)</li>  <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
905  <li><code class=char>U+002A</code> <code class=charname>ASTERISK</code>  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {
906  (<code class=char>*</code>)</li>    readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;
907  <li><code class=char>U+002B</code> <code class=charname>PLUS SIGN</code>    readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;
908  (<code class=char>+</code>)</li>    readonly attribute NamedNodeMap <a href="#notations">notations</a>;
909  <li><code class=char>U+002C</code> <code class=charname>COMMA</code>  
910  (<code class=char>,</code>)</li>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#getElementTypeDefinitionNode">getElementTypeDefinitionNode</a>
911  <li><code class=char>U+002D</code> <code class=charname>HYPHEN-MINUS</code>      (in DOMString <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>);
912  (<code class=char>-</code>)</li>    <a href="#Entity">Entity</a> <a href="#getGeneralEntityNode">getGeneralEntityNode</a>
913  <li><code class=char>U+002E</code> <code class=charname>FULL STOP</code>      (in DOMString <a href="#getGeneralEntityNode-name"><var>name</var></a>);
914  (<code class=char>.</code>)</li>    <a href="#Notation">Notation</a> <a href="#getNotationNode">getNotationNode</a>
915  <li><code class=char>U+002F</code> <code class=charname>SOLIDUS</code>      (in DOMString <a href="#getNotationNode-name"><var>name</var></a>);
916  (<code class=char>/</code>)</li>  
917  <li><code class=char>U+0030</code> <code class=charname>DIGIT ZERO</code>    void <a href="#setElementTypeDefinitionNode">setElementTypeDefinitionNode</a>
918  (<code class=char>0</code>) .. <code class=char>U+0039</code>      (in DOMString <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>)
919  <code class=charname>DIGIT NINE</code> (<code class=char>9</code>)</li>      raises (DOMException);
920  <li><code class=char>U+003A</code> <code class=charname>COLON</code>    void <a href="#setGeneralEntityNode">setGeneralEntityNode</a>
921  (<code class=char>:</code>)</li>      (in DOMString <a href="#setGeneralEntityNode-node"><var>node</var></a>)
922  <li><code class=char>U+003B</code> <code class=charname>SEMICOLON</code>      raises (DOMException);
923  (<code class=char>;</code>)</li>    void <a href="#setNotationNode">setNotationNode</a>
924  <li><code class=char>U+003D</code> <code class=charname>EQUAL SIGN</code>      (in DOMString <a href="#setNotationNode-node"><var>node</var></a>)
925  (<code class=char>=</code>)</li>      raises (DOMException);
926  <li><code class=char>U+003F</code> <code class=charname>QUESTION MARK</code>  }</code></pre>
927  (<code class=char>?</code>)</li>  
928  <li><code class=char>U+0040</code> <code class=charname>COMMERCIAL AT</code>  <dl>
929  (<code class=char>@</code>)</li>  <dt><dfn id=elementTypes class=dom-attr><code>elementTypes</code></dfn> of
930  <li><code class=char>U+0041</code> <code class=charname>LATIN CAPITAL LETTER  type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
931  A</code> (<code class=char>A</code>) .. <code class=char>U+005A</code>    <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
932  <code class=charname>LATIN CAPITAL LETTER Z</code>    contains all the element type definitions belonging to the
933  (<code class=char>Z</code>)</li>    <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
934  <li><code class=char>U+005F</code> <code class=charname>LOW LINE</code>  
935  (<code class=char>_</code>)</li>    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
936  <li><code class=char>U+0061</code> <code class=charname>LATIN CAPITAL LETTER    <code>NamedNodeMap</code> object that contains all the
937  A</code> (<code class=char>A</code>) .. <code class=char>U+007A</code>    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
938  <code class=charname>LATIN CAPITAL LETTER Z</code>    nodes belonging to the <code>DocumentType</code> node.  The
939  (<code class=char>Z</code>)</li>    <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be read$B!>(Bonly
940  </ul>    if and only if the node is <a href="#read-only">read$B!>(Bonly</a>.  The
941      <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
942      <a href="#live">live</a>.</p>
943    
944      <p>If the <code>DocumentType</code> node is created during the process
945      to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, the following
946      requirements are applied:  The <code>NamedNodeMap</code> object in the
947      <a href="#elementTypes"><code>elementType</code></a> attribute
948      <em class=rfc2119>MUST</em> be so transformed that the object contains
949      the <code>ElementTypeDefinition</code> nodes for the element types
950      whose name is presented as the <code>Name</code> of the element type or
951      attribute definition list declarations processed
952      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
953      <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr>
954      processor.  If there are more than one element type declarations for an
955      element type, then the declarations other than the first one
956      <em class=rfc2119>MUST</em> be ignored for the purpose of constructing the
957      <code>NamedNodeMap</code> object.</p></dd>
958    <dt><dfn id=generalEntities class=dom-attr><code>generalEntities</code></dfn>
959    of type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
960      <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
961      contains all the general entities belonging to the
962      <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
963      
964      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
965      same value as the <code id=entities>entities</code> attribute (defined in the
966      <a href="#DocumentType"><code>DocumentType</code></a> interface) of the same
967      node.</p>
968    
969      <div class="note memo">
970        <p>This attribute is part of the interface for historical reason.</p>
971      </div></dd>
972    <!--
973    All entities declared in the document type definition
974    contained in or referenced from the document entity
975    might not be exposed through this collection, depending
976    on the information provided by the XML processor for
977    the DOM implementation.  In particular, it might not
978    contain any entity if entity references are expanded
979    at the parse time.  An implementation [['''MUST NOT''']]
980    expose an [CODE(DOMi)@en[[[Entity]]]] node whose [CODE(DOMa)@en[[[nodeName]]]]
981    is equal to the name of one of five predefined general entities in
982    XML through the collection as the result of parsing of an XML
983    document that has no error.  Duplicate entity declarations are also discarded.
984    
985    The attribute [['''MUST''']] return the [CODE(DOMi)@en[[[NamedNodeMap]]]]
986    object that contains all the [CODE(DOMi)@en[[[Entity]]]] nodes
987    representing general entities belong to the node.  The returned
988    [CODE(DOMi)@en[[[NamedNodeMap]]]] object [['''MUST''']] be read-only if and only if
989    the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
990    and therefore any change of read-only flag on the node is immediately
991    reflected by that of the object.
992    -->
993    <dt><dfn id=notations class=dom-attr><code>notations</code></dfn> of type
994    <code>NamedNodeMap</code>, read$B!>(Bonly</code>
995      <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
996      contains all the notations belonging to the
997      <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
998      
999      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
1000      same value as the <code>notations</code> attribute (defined in the
1001      <a href="#DocumentType"><code>DocumentType</code></a> interface) of the same
1002      node.</p>
1003    
1004      <div class="note memo">
1005        <p>This attribute is part of the interface for historical reason.</p>
1006        <p>Implementations are not required to implement the
1007        <code>notations</code> attribute twice (for
1008        <a href="#DocumentType"><code>DocumentType</code></a> and
1009        <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
1010        interfaces); they share exactly same definition.</p>
1011      </div></dd>
1012    <!--
1013    If the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node is
1014    created from an XML document, duplicate notation declarations, if any, in DTD
1015    [['''MUST NOT''']] result in a node in the [CODE(DOMi)@en[[[NamedNodeMap]]]]
1016    object and only the first declaration [['''MUST''']] be
1017    made available as a [CODE(DOMi)@en[[[Notation]]]] node.
1018    
1019    ;; This definition is based on one for the
1020    [CODE(DOMa)@en[[[notations]]]] attribute of the
1021    [CODE(DOMi)@en[[[DocumentType]]]] interface in DOM XML module.
1022    Since duplication is violation to the Validity Constraint,
1023    XML parsers might vary on how notations are notified to
1024    the application.  In particular, [CODE(InfoProp)@en[[[notations]]]]
1025    property of the document information item in XML Information Set
1026    is so defined that in case ''any'' notation is declared for
1027    multiple times then the property has no value.
1028    
1029    The attribute [['''MUST''']] return the [CODE(DOMi)@en[[[NamedNodeMap]]]]
1030    object that contains all the [CODE(DOMi)@en[[[Notation]]]] nodes
1031    representing notations belong to the node.  The returned
1032    [CODE(DOMi)@en[[[NamedNodeMap]]]] object [['''MUST''']] be read-only if and only if
1033    the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
1034    and therefore any change of read-only flag on the node is immediately
1035    reflected by that of the object.
1036    -->
1037    <dt><dfn id=getElementTypeDefinitionNode class=dom-method><code>getElementTypeDefinitionNode</code></dfn>,
1038    method</dt>
1039      <dd><p>Returns the
1040      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
1041      with the specified name.</p>
1042    
1043      <p>The
1044      <dfn id=getElementTypeDefinitionNode-name class=dom-param><var>name</var></dfn>
1045      parameter is the name of the element type.</p>
1046    
1047      <p>When invoked, the method <em class=rfc2119>MUST</em> return the
1048      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
1049      whose <a href="#nodeName"><code>nodeName</code></a> is equal to
1050      <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>, in the
1051      <code>NamedNodeMap</code> object in the
1052      <a href="#elementTypes"><code>elementTypes</code></a> attribute of the
1053      node.  If there is no such node, it <em class=rfc2119>MUST</em> return
1054      <code>null</code>.</p></dd>
1055    <dt><dfn id=getGeneralEntityNode class=dom-method><code>getGeneralEntityNode</code></dfn>,
1056    method</dt>
1057      <dd><p>Returns the <a href="#Entity"><code>Entity</code></a> node
1058      with the specified name.</p>
1059    
1060      <p>The
1061      <dfn id=getGeneralEntityNode-name class=dom-param><var>name</var></dfn>
1062      parameter is the name of the general entity.</p>
1063    
1064      <p>When invoked, the method <em class=rfc2119>MUST</em> return the
1065      <a href="#Entity"><code>Entity</code></a> node,
1066      whose <a href="#nodeName"><code>nodeName</code></a> is equal to
1067      <a href="#getGeneralEntityNode-name"><var>name</var></a>, in the
1068      <code>NamedNodeMap</code> object in the
1069      <a href="#entities"><code>entities</code></a> attribute of the
1070      node.  If there is no such node, it <em class=rfc2119>MUST</em> return
1071      <code>null</code>.</p></dd>
1072    <dt><dfn id=getNotationNode class=dom-method><code>getNotationNode</code></dfn>,
1073    method</dt>
1074      <dd><p>Returns the <a href="#Notation"><code>Notation</code></a> node
1075      with the specified name.</p>
1076    
1077      <p>The
1078      <dfn id=getNotationNode-name class=dom-param><var>name</var></dfn>
1079      parameter is the name of the notation.</p>
1080    
1081      <p>When invoked, the method <em class=rfc2119>MUST</em> return the
1082      <a href="#Notation"><code>Notation</code></a> node,
1083      whose <a href="#nodeName"><code>nodeName</code></a> is equal to
1084      <a href="#getNotationNode-name"><var>name</var></a>, in the
1085      <code>NamedNodeMap</code> object in the
1086      <a href="#notations"><code>notations</code></a> attribute of the
1087      node.  If there is no such node, it <em class=rfc2119>MUST</em> return
1088      <code>null</code>.</p></dd>
1089    <dt><dfn id=setElementTypeDefinitionNode class=dom-method><code>setElementTypeDefinitionNode</code></dfn>,
1090    method</dt>
1091      <dd><p>Associate an
1092      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1093      node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
1094    
1095      <p>The
1096      <dfn id=setElementTypeDefinitionNode-node class=dom-param><var>node</var></dfn>
1097      parameter is the node to associate.</p>
1098    
1099      <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
1100      to <a href="#algorithm-attach-node">attach a node</a>, where
1101      <a href="#attach-node-n"><var>n</var></a> is the
1102      <a href="#DocumentType"><code>DocumentType</code></a> node,
1103      <a href="#attach-node-l"><var>l</var></a> is the
1104      <a href="#elementTypes"><code>elementTypes</code></a> attribute value of the
1105      <a href="#DocumentType"><code>DocumentType</code></a> node,
1106      <a href="#attach-node-node"><var>node</var></a> is the
1107      <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>, and
1108      <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
1109      <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
1110      attribute.</p></dd>
1111    <dt><dfn id=setGeneralEntityNode class=dom-method><code>setGeneralEntityNode</code></dfn>,
1112    method</dt>
1113      <dd><p>Associate an <a href="#Entity"><code>Entity</code></a>
1114      node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
1115    
1116      <p>The
1117      <dfn id=setGeneralEntityNode-node class=dom-param><var>node</var></dfn>
1118      parameter is the node to associate.</p>
1119    
1120      <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
1121      to <a href="#algorithm-attach-node">attach a node</a>, where
1122      <a href="#attach-node-n"><var>n</var></a> is the
1123      <a href="#DocumentType"><code>DocumentType</code></a> node,
1124      <a href="#attach-node-l"><var>l</var></a> is the
1125      <a href="#entities"><code>entities</code></a> attribute value of the
1126      <a href="#DocumentType"><code>DocumentType</code></a> node,
1127      <a href="#attach-node-node"><var>node</var></a> is the
1128      <a href="#setGeneralEntityNode-node"><var>node</var></a>, and
1129      <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
1130      <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
1131      attribute.</p></dd>
1132    <dt><dfn id=setNotationNode class=dom-method><code>setNotationNode</code></dfn>,
1133    method</dt>
1134      <dd><p>Associate an <a href="#Notation"><code>Notation</code></a>
1135      node with the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
1136    
1137      <p>The <dfn id=setNotationNode-node class=dom-param><var>node</var></dfn>
1138      parameter is the node to associate.</p>
1139    
1140      <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
1141      to <a href="#algorithm-attach-node">attach a node</a>, where
1142      <a href="#attach-node-n"><var>n</var></a> is the
1143      <a href="#DocumentType"><code>DocumentType</code></a> node,
1144      <a href="#attach-node-l"><var>l</var></a> is the
1145      <a href="#notations"><code>notations</code></a> attribute value of the
1146      <a href="#DocumentType"><code>DocumentType</code></a> node,
1147      <a href="#attach-node-node"><var>node</var></a> is the
1148      <a href="#setNotationNode-node"><var>node</var></a>, and
1149      <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
1150      <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
1151      attribute.</p></dd>
1152    </dl>
1153    
1154    <p>When a <dfn id=algorithm-attach-node title="attach a node">node is
1155    attached</dfn>, the rules below, with parameters
1156    <dfn id=attach-node-n><var>n</var></dfn>,
1157    <dfn id=attach-node-l><var>l</var></dfn>,
1158    <dfn id=attach-node-node><var>node</var></dfn>, and
1159    <dfn id=attach-node-owner-attr><var>owner-attr</var></dfn>,
1160    <em class=rfc2119>MUST</em> be followed:</p>
1161      <ol>
1162      <li><p>Let
1163      <dfn id=attach-node-r><var>r</var></dfn> be the node in
1164      <var>l</var> whose <code>nodeName</code> attribute value is equal to the
1165      <code>nodeName</code> attribute value of <var>node</var>, if any.</p></li>
1166      <li><p>If <var>r</var> is different from <code>null</code> and <var>r</var>
1167      is same node as <var>node</var>, then abort these steps.</p></li>
1168      <li><p>If <var>n</var> is <a href="#read-only">read$B!>(Bonly</a>, then raise a
1169      <code>NO_MODIFICATION_ALLOWED_ERR</code> and abort these steps.</p></li>
1170      <li><p>If the <code>ownerDocument</code> attribute value of <var>node</var>
1171      is different from that of <var>n</var>, then raise a
1172      <code>WRONG_DOCUMENT_ERR</code> and abort these steps.</p></li>
1173      <li><p>If the value of the attribute <var>owner-attr</var> of <var>node</var>
1174      is different from <code>null</code>, then raise a
1175      <code>HIERARCHY_REQUEST_ERR</code> and abort these steps.</p></li>
1176      <li><p>If <var>r</var> is a node, then remove it from <var>r</var>.</p>
1177    
1178      <div class="note memo">
1179      <p>By the removal of <var>r</var>, the attribute <var>owner-attr</var> of
1180      <var>r</var> is set to <code>null</code>.</p>
1181      </div></li>
1182      <li><p>Add <var>node</var> to <var>l</var>.</p>
1183    
1184      <div class="note memo">
1185      <p>By the addition of <var>node</var>, the attribute <var>owner-attr</var> of
1186      <var>node</var> is set to <var>n</var>.</p>
1187      </div></li>
1188      </ol>
1189    
1190    <div class=ed>
1191    <p>A future version of this interface might define the
1192    <code>parameterEntities</code> and getter/setter for parameter entities.
1193    </div>
1194    
1195    </div>
1196    
1197    <div class=section id=section-elementtypedefinition>
1198    <h3>The <code>ElementTypeDefinition</code> Interface</h3>
1199    
1200    <p>The nodes of type
1201    <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
1202    represents an element type definition.  Such a node
1203    <em class=rfc2119>MUST</em> implement the
1204    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1205    interface, which extends the <a href="#Node"><code>Node</code></a>
1206    interface.</p>
1207    
1208    <p>An element type definition represents a definition of the element type.
1209    It is corresponding to the element type declaration in <abbr>DTD</abbr>.
1210    However, an
1211    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
1212    does not represent the element type definition in <abbr>DTD</abbr> itself.  
1213    Even if there are more than one element type declarations for an element type
1214    in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
1215    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1216    node for that element type.  In addition, if there are attribute definition
1217    declarations for an element type, even when there is no element type
1218    declaration for that element type, the <abbr>DOM</abbr> will contain an
1219    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1220    node for that element type.</p>
1221    
1222    <p>An <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1223    node cannot be a child of any node.  An
1224    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
1225    cannot have any child node.</p>
1226    
1227    <p>The <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1228    interface <em class=rfc2119>MUST</em> be implemented as the following
1229    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
1230    <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> : <a href="#Node">Node</a> {
1231      readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
1232    
1233      readonly attribute NamedNodeMap <a href="#attributeDefinitions">attributeDefinitions</a>;
1234      <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#getAttributeDefinitionNode">getAttributeDefinitionNode</a>
1235        (in DOMString <a href="#getAttributeDefinitionNode-name"><var>name</var></a>);
1236      void <a href="#setAttributeDefinitionNode">setAttributeDefinitionNode</a>
1237        (in <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#setAttributeDefinitionNode-node"><var>node</var></a>)
1238        raises (DOMException);
1239    }</code></pre>
1240    
1241    <dl>
1242    <dt><dfn id=ownerDocumentTypeDefinition class=dom-attr><code>ownerDocumentTypeDefinition</code></dfn>
1243    of type <a href="#DocumentType"><code>DocumentType</code></a>, read$B!>(Bonly</dt>
1244      <dd><p>The
1245      <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>
1246      attribute of
1247      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
1248      <a href="#Entity"><code>Entity</code></a>, and
1249      <a href="#Notation"><code>Notation</code></a> interfaces contain the
1250      <a href="#DocumentType"><code>DocumentType</code></a> node to which the node
1251      is attached.</p>
1252    
1253      <p>On getting, the attribute <em class=rfc2119>MUST</em> return a
1254      <a href="#DocumentType"><code>DocumentType</code></a> node.  It
1255      <em class=rfc2119>MUST</em> be such a node that whose
1256      <a href="#elementTypes"><code>elementTypes</code></a> (for an
1257      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1258      node), <a href="#entities"><code>entities</code></a> (for an
1259      <a href="#Entity"><code>Entity</code></a> node), or
1260      <a href="#notations"><code>notations</code></a> (for a
1261      <a href="#Notation"><code>Notation</code></a> node) attribute contains the
1262      <code>NamedNodeMap</code> object that contains the node.  If there is no such
1263      a <a href="#DocumentType"><code>DocumentType</code></a> node,
1264      then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p></dd>
1265    <dt><dfn id=attributeDefinitions class=dom-attr><code>attributeDefinitions</code></dfn>
1266    of type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
1267      <dd><p>A <a href="#live">live</a> <code>NamedNodeMap</code> object that
1268      contains all the attribute definitions belonging to the
1269      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1270      node.</p>
1271    
1272      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
1273      <code>NamedNodeMap</code> object that contains all the
1274      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1275      belonging to the
1276      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
1277      The <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
1278      read$B!>(Bonly if and only if the node is <a href="#read-only">read$B!>(Bonly</a>.  
1279      The <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be
1280      <a href="#live">live</a>.</p>
1281      
1282      <p>If the
1283      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
1284      is created during the process to create a <abbr>DOM</abbr> from an
1285      <abbr>XML</abbr> document, the following requirements are applied:  The
1286      <code>NamedNodeMap</code> object in the
1287      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
1288      attribute <em class=rfc2119>MUST</em> be so transformed that the object
1289      contains the
1290      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1291      corresponding to the attribute definitions in the attribute definition
1292      list declarations processed
1293      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1294      <a href="#ref-XML11">XML11</a>]</cite> by the <abbr>XML</abbr> processor and
1295      associated to the element type represented by the node.  If there are more
1296      than one attribute definitions for an attribute, then the definitions other
1297      than the first one <em class=rfc2119>MUST</em> be ignored for the purpose
1298      of constructing the <code>NamedNodeMap</code> object.</p></dd>
1299    <dt><dfn id=getAttributeDefinitionNode class=dom-method><code>getAttributeDefinitionNode</code></dfn>,
1300    method</dt>
1301      <dd><p>Return the
1302      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1303      with the specified name.</p>
1304    
1305      <p>The
1306      <dfn id=getAttributeDefinitionNode-name class=dom-param><var>name</var></dfn>
1307      parameter is the name of the attribute.</p>
1308    
1309      <p>When invoked, the method <em class=rfc2119>MUST</em> return the
1310      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node,
1311      whose <a href="#nodeName"><code>nodeName</code></a> attribute value is
1312      equal to <a href="#getAttributeDefinitionNode-name"><var>name</var></a>,
1313      in the <code>NamedNodeMap</code> in the
1314      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
1315      attribute of the node.  If there is no such node, it
1316      <em class=rfc2119>MUST</em> return <code>null</code>.</p></dd>
1317    <dt><dfn id=setAttributeDefinitionNode class=dom-method><code>setAttributeDefinitionNode</code></dfn>,
1318    method</dt>
1319      <dd><p>Associate an
1320      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node with
1321      the
1322      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1323      node.</p>
1324    
1325      <p>The
1326      <dfn id=setAttributeDefinitionNode-node class=dom-param><var>node</var></dfn>
1327      parameter is the node to associate.</p>
1328    
1329      <p>When invoked, the method <em class=rfc2119>MUST</em> follow the rules
1330      to <a href="#algorithm-attach-node">attach a node</a>, where
1331      <a href="#attach-node-n"><var>n</var></a> is the
1332      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
1333      node, <a href="#attach-node-l"><var>l</var></a> is the
1334      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
1335      attribute value of the
1336      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
1337      <a href="#attach-node-node"><var>node</var></a> is the
1338      <a href="#setAttributeDefinitionNode-node"><var>node</var></a>, and
1339      <a href="#attach-node-owner-attr"><var>owner-attr</var></a> is the
1340      <a href="#ownerElementTypeDefinition"><code>ownerElementTypeDefinition</code></a>
1341      attribute.</p></dd>
1342    </dl>
1343    
1344    <div class=ed>
1345    <p>A future version of the specification might define a set of attributes
1346    and methods for representing and accessing to the content model of the
1347    element type.</p>
1348    </div>
1349    </div>
1350    
1351    <div class=section id=section-attributedefinition>
1352    <h3>The <code>AttributeDefinition</code> Interface</h3>
1353    
1354    <p>The nodes of type
1355    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
1356    represents an attribute definition.  Such a node
1357    <em class=rfc2119>MUST</em> implement the
1358    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> interface,
1359    which extends the <a href="#Node"><code>Node</code></a> interface.</p>
1360    
1361    <p>An attribute definition represents a definition of the attribute
1362    associated to an element type.  It is corresponding to the attribute definition
1363    in the attribute list declaration in <abbr>DTD</abbr>.  However, an
1364    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node does
1365    not represent the attribute definition in <abbr>DTD</abbr> itself.  Even if
1366    there are more than one attribute definitions for an attribute of an element
1367    type in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
1368    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node for
1369    that attribute.</p>
1370    
1371    <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1372    node cannot be a child of any node.  An
1373    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1374    can have zero or more child nodes of same kinds as those allowed for
1375    <code>Attr</code> nodes
1376    <cite class="bibref normative">[<a href="#ref-DOM3CORE">DOM3CORE</a>]</cite>.</p>
1377    
1378    <p>The <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1379    interface <em class=rfc2119>MUST</em> be implemented as the following
1380    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
1381    <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> : <a href="#Node">Node</a> {
1382      <span class=comment>// <a href="#DeclaredValueType">DeclaredValueType</a></span>
1383      const unsigned short <a href="#NO_TYPE_ATTR">NO_TYPE_ATTR</a> = 0;
1384      const unsigned short <a href="#CDATA_ATTR">CDATA_ATTR</a> = 1;
1385      const unsigned short <a href="#ID_ATTR">ID_ATTR</a> = 2;
1386      const unsigned short <a href="#IDREF_ATTR">IDREF_ATTR</a> = 3;
1387      const unsigned short <a href="#IDREFS_ATTR">IDREFS_ATTR</a> = 4;
1388      const unsigned short <a href="#ENTITY_ATTR">ENTITY_ATTR</a> = 5;
1389      const unsigned short <a href="#ENTITIES_ATTR">ENTITIES_ATTR</a> = 6;
1390      const unsigned short <a href="#NMTOKEN_ATTR">NMTOKEN_ATTR</a> = 7;
1391      const unsigned short <a href="#NMTOKENS_ATTR">NMTOKENS_ATTR</a> = 8;
1392      const unsigned short <a href="#NOTATION_ATTR">NOTATION_ATTR</a> = 9;
1393      const unsigned short <a href="#ENUMERATION_ATTR">ENUMERATION_ATTR</a> = 10;
1394      const unsigned short <a href="#UNKNOWN_ATTR">UNKNOWN_ATTR</a> = 11;
1395    
1396      <span class=comment>// <a href="#DefaultValueType">DefaultValueType</a></span>
1397      const unsigned short <a href="#UNKNOWN_DEFAULT">UNKNOWN_DEFAULT</a> = 0;
1398      const unsigned short <a href="#FIXED_DEFAULT">FIXED_DEFAULT</a> = 1;
1399      const unsigned short <a href="#REQUIRED_DEFAULT">REQUIRED_DEFAULT</a> = 2;
1400      const unsigned short <a href="#IMPLIED_DEFAULT">IMPLIED_DEFAULT</a> = 3;
1401      const unsigned short <a href="#EXPLICIT_DEFAULT">EXPLICIT_DEFAULT</a> = 4;
1402      
1403      readonly attribute <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#ownerElementTypeDefinition">ownerElementTypeDefinition</a>;
1404    
1405      readonly attribute unsigned short <a href="#declaredType">declaredType</a>;
1406      readonly attribute DOMStringList <a href="#allowedTokens">allowedTokens</a>;
1407      readonly attribute unsigned short <a href="#defaultType">defaultType</a>;
1408    }</code></pre>
1409    
1410    <dl>
1411    <dt><dfn id=ownerElementTypeDefinition class=dom-attr><code>ownerElementTypeDefinition</code></dfn>
1412    of type
1413    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
1414    read$B!>(Bonly</dt>
1415      <dd><p>The
1416      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> to
1417      which the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1418      node belongs.</p>
1419    
1420      <p>On getting, the attribute <em class=rfc2119>MUST</em> return an
1421      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
1422      It <em class=rfc2119>MUST</em> be such a node that whose
1423      <a href="#attributeDefinitions"><code>attributeDefinitions</code></a>
1424      attribute contains the <code>NamedNodeMap</code> object that contains
1425      the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1426      node.  If there is no such an
1427      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
1428      then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p>
1429    <dt><dfn id=declaredType class=dom-attr><code>declaredType</code></dfn> of type
1430    <code>unsigned short</code></dt>
1431      <dd><p>The declared type
1432      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1433      <a href="#ref-XML11">XML11</a>]</cite> of the attribute.  It is expected that
1434      this attribute contains a value from the definition group
1435      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>.</p>
1436    
1437      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
1438      value associated to this attribute.</p>
1439    
1440      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1441      <code>NO_MODIFICATION_ALLOWED_ERR</code> if the
1442      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1443      is <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
1444      <em class=rfc2119>MUST</em> set the specified value as the value
1445      associated to this attribute.</p>
1446    
1447      <p>If the <code>AttributeDefinition</code> node is created during the process
1448      to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, an
1449      appropriate value from the
1450      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a> constant
1451      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
1452    
1453      <!-- DeclaredValueType -->
1454    <p>The definition group
1455    <dfn id=DeclaredValueType><code>DeclaredValueType</code></dfn> contains
1456    integers indicating the declared type of attributes.  The definition
1457    group contains the following constants:</p>
1458    
1459    <table>
1460    <thead>
1461    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
1462    </thead>
1463    <tbody>
1464    <tr>
1465    <th scope=row><dfn id=NO_TYPE_ATTR class=dom-const><code>NO_TYPE_ATTR</code>
1466    <td><code>0</code><td><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">No
1467    value</a>
1468    <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>.</tr>
1469    <tr>
1470    <th scope=row><dfn id=CDATA_ATTR class=dom-const><code>CDATA_ATTR</code>
1471    <td><code>1</code><td><code>CDATA</code>
1472    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1473    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1474    <tr>
1475    <th scope=row><dfn id=ID_ATTR class=dom-const><code>ID_ATTR</code>
1476    <td><code>2</code><td><code>ID</code>
1477    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1478    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1479    <tr>
1480    <th scope=row><dfn id=IDREF_ATTR class=dom-const><code>IDREF_ATTR</code>
1481    <td><code>3</code><td><code>IDREF</code>
1482    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1483    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1484    <tr>
1485    <th scope=row><dfn id=IDREFS_ATTR class=dom-const><code>IDREFS_ATTR</code>
1486    <td><code>4</code><td><code>IDREFS</code>
1487    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1488    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1489    <tr>
1490    <th scope=row><dfn id=ENTITY_ATTR class=dom-const><code>ENTITY_ATTR</code>
1491    <td><code>5</code><td><code>ENTITY</code>
1492    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1493    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1494    <tr>
1495    <th scope=row><dfn id=ENTITIES_ATTR class=dom-const><code>ENTITIES_ATTR</code>
1496    <td><code>6</code><td><code>ENTITIES</code>
1497    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1498    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1499    <tr>
1500    <th scope=row><dfn id=NMTOKEN_ATTR class=dom-const><code>NMTOKEN_ATTR</code>
1501    <td><code>7</code><td><code>NMTOKEN</code>
1502    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1503    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1504    <tr>
1505    <th scope=row><dfn id=NMTOKENS_ATTR class=dom-const><code>NMTOKENS_ATTR</code>
1506    <td><code>8</code><td><code>NMTOKENS</code>
1507    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1508    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1509    <tr>
1510    <th scope=row><dfn id=NOTATION_ATTR class=dom-const><code>NOTATION_ATTR</code>
1511    <td><code>9</code><td><code>NOTATION</code>
1512    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1513    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1514    <tr>
1515    <th scope=row><dfn id=ENUMERATION_ATTR class=dom-const><code>ENUMERATION_ATTR</code>
1516    <td><code>10</code><td>Enumeration
1517    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1518    <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1519    <tr>
1520    <th scope=row><dfn id=UNKNOWN_ATTR class=dom-const><code>UNKNOWN_ATTR</code>
1521    <td><code>11</code><td><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">Unknown</a>,
1522    because no declaration for the attribute has been read but the
1523    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#infoitem.document">[all declaration processed]</a>
1524    property
1525    <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>
1526    would be false.</tr>
1527    </tbody>
1528    </table>
1529    
1530    <p>If no attribute type information is available, or if the source
1531    of the information does not distinguish
1532    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">no
1533    value</a> and
1534    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">unknown</a>
1535    <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite>,
1536    then the value
1537    <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>
1538    <em class=rfc2119>MUST</em> be used.</p>
1539    
1540  <div class="note memo">  <div class="note memo">
1541  <p>This character class contains all characters allowed in the production rule  <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1542  <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-PubidChar"><code>PubidChar</code></a>  created by the
1543  of <abbr>XML</abbr> 1.0  <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
1544  <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>.</p>  method has its <a href="#declaredType"><code>declaredType</code></a> attribute
1545    set to <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</p>
1546    </div>
1547    
1548    <p>If the source of the information does not distinguish
1549    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">no
1550    value</a> and/or
1551    <a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204/#intro.null">unknown</a>
1552    <cite class="bibref normative">[<a href="#ref-INFOSET">INFOSET</a>]</cite> and
1553    <code>CDATA</code>
1554    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1555    <a href="#ref-XML11">XML11</a>]</cite>, then the value
1556    <a href="#CDATA_ATTR"><code>CDATA_ATTR</code></a> <em class=rfc2119>MUST</em>
1557    be used.</p>
1558    
1559    <p>In Perl binding
1560    <cite class="bibref normative">[<a href="#ref-DOMPERL">DOMPERL</a>]</cite>, the
1561    <code>Attr</code> nodes <em class=rfc2119>MUST</em> implement the
1562    <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>
1563    definition group.</p>
1564    
1565      </dd>
1566    <dt><dfn id=allowedTokens class=dom-attr><code>allowedTokens</code></dfn> of
1567    type <code>DOMStringList</code>, read$B!>(Bonly</dt>
1568      <dd><p>The list of allowed attribute values.</p>
1569    
1570      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
1571      <code>DOMStringList</code> object associated to this attribute.  The object
1572      <em class=rfc2119>MAY</em> contain zero or more ordered strings, consist of
1573      zero or more characters respectively, possibly with duplications.  The
1574      object <em class=rfc2119>MUST</em> be read$B!>(Bonly if and only if the node
1575      is <a href="#read-only">read$B!>(Bonly</a>.</p>
1576    
1577      <p>If the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1578      node is created during the process to create a <abbr>DOM</abbr> from an
1579      <abbr>XML</abbr> document, the object <em class=rfc2119>MUST</em> contain
1580      the names or name tokens allowed for the attribute defined by the node.
1581      If the document is well$B!>(Bformed, the object will be empty unless
1582      the <a href="#declaredType"><code>declaredType</code></a> is
1583      <a href="#ENUMERATION_ATTR"><code>ENUMERATION_ATTR</code></a> or
1584      <a href="#NOTATION_ATTR"><code>NOTATION_ATTR</code></a>.</p>
1585    
1586      <p>If the <a href="#declaredType"><code>declaredType</code></a> is different
1587      from <a href="#ENUMERATION_ATTR"><code>ENUMERATION_ATTR</code></a> or
1588      <a href="#NOTATION_ATTR"><code>NOTATION_ATTR</code></a>, this attribute
1589      <em class=rfc2119>MUST</em> be ignored for the purpose of serializing
1590      into (part of) <abbr>XML</abbr> document.</p>
1591    
1592      <div class="note memo">
1593        <p>When serializing the node it should be noted that the object might
1594        be empty, might contain duplications, and might contain strings that are
1595        not names or name tokens.</p>
1596      </div></dd>
1597    <dt><dfn id=defaultType class=dom-attr><code>defaultType</code></dfn> of
1598    type <code>unsigned short</code></dt>
1599      <dd><p>The type of the default for the attribute.  It is expected that this
1600      attribute contains a value from the definition group
1601      <a href="#DefaultValueType"><code>DefaultValueType</code></a>.</p>
1602    
1603      <p>On getting, the attribute <em class=rfc2119>MUST</em> return
1604      the value associated to this attribute.</p>
1605    
1606      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1607      <code>NO_MODIFICATION_ALLOWED_ERR</code> if the
1608      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1609      is <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
1610      <em class=rfc2119>MUST</em> set the specified value as the value
1611      associated to this attribute.</p>
1612    
1613      <p>If the
1614      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node is
1615      created during the process to create a <abbr>DOM</abbr> from an
1616      <abbr>XML</abbr> document, an appropriate value from the
1617      <a href="#DefaultValueType"><code>DefaultValueType</code></a> definition
1618      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
1619    
1620      <!-- DefaultValueType -->
1621      <p>The definition group
1622      <dfn id=DefaultValueType><code>DefaultValueType</code></dfn>
1623      contains integers indicating the type of the default for the attribute.
1624      The definition group contains the following constants:</p>
1625    
1626      <table>
1627      <thead>
1628      <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
1629      </thead>
1630      <tbody>
1631      <tr>
1632      <th scope=row><dfn id=UNKNOWN_DEFAULT class=dom-const><code>UNKNOWN_DEFAULT</code></dfn>
1633      <td><code>0</code><td>Unknown.</tr>
1634      <tr>
1635      <th scope=row><dfn id=FIXED_DEFAULT class=dom-const><code>FIXED_DEFAULT</code></dfn>
1636      <td><code>1</code><td>Provided explicitly and only the value is allowed.
1637      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1638      <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1639      <tr>
1640      <th scope=row><dfn id=REQUIRED_DEFAULT class=dom-const><code>REQUIRED_DEFAULT</code></dfn>
1641      <td><code>2</code><td>No default value and the attribute have to be
1642      explicitly specified.</tr>
1643      <tr>
1644      <th scope=row><dfn id=IMPLIED_DEFAULT class=dom-const><code>IMPLIED_DEFAULT</code></dfn>
1645      <td><code>3</code><td>Implied
1646      <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>,
1647      <a href="#ref-XML11">XML11</a>]</cite>.</tr>
1648      <tr>
1649      <th scope=row><dfn id=EXPLICIT_DEFAULT class=dom-const><code>EXPLICIT_DEFAULT</code></dfn>
1650      <td><code>4</code><td>Provided explicitly.</tr>
1651      </tbody>
1652      </table>
1653    
1654      <p>If the source of the default type does not distinguish
1655      implied and unknown default types, then the value
1656      <a href="#IMPLIED_DEFAULT"><code>IMPLIED_DEFAULT</code></a>
1657      <em class=rfc2119>MUST</em> be used.</p>
1658    
1659      <div class="note memo">
1660      <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1661      node created by the
1662      <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
1663      method has its <a href="#defaultType"><code>defaultType</code></a>
1664      attribute set to
1665      <a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</p>
1666      </div></dd>
1667    </dl>
1668    
1669    </div>
1670    
1671    <div class=section id=section-entity>
1672    <h3>Modifications to the <code id=Entity>Entity</code> Interface</h3>
1673    
1674    <p>The implementation of the <a href="#Entity"><code>Entity</code></a>
1675    interface <em class=rfc2119>MUST</em> be modified as the following
1676    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
1677    <pre class=idl><code>// Modifications to the Entity interface
1678      attribute DOMString <a href="#publicId">publicId</a>;
1679      attribute DOMString <a href="#systemId">systemId</a>;
1680      attribute DOMString <a href="#notationName">notationName</a>;
1681    
1682      // Additions to the Entity interface
1683      attribute DOMString <a href="#hasReplacementTree">hasReplacementTree</a>;
1684      readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
1685    
1686      attribute boolean <a href="#isExternallyDeclared">isExternallyDeclared</a>;
1687    </code></pre>
1688    
1689    <p>The <code id=notationName>notationName</code> attribute of the
1690    <a href="#Entity"><code>Entity</code></a> interface is no longer
1691    read$B!>(Bonly.</p>
1692    
1693    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1694    <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
1695    <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it <em class=rfc2119>MUST</em>
1696    set the specified value as the value associated to the attribute.  No lexical
1697    validation is performed.  The new value <em class=rfc2119>MAY</em> be
1698    <code>null</code>.</p>
1699    
1700    <dl>
1701    <dt><dfn id=hasReplacementTree class=dom-attr><code>hasReplacementTree</code></dfn>
1702    of type <code>boolean</code></dt>
1703      <dd><p>Whether the structure of the replacement text of the entity
1704      is available via the <code>NodeList</code> object in the
1705      <code>childNodes</code> attribute of the entity.</p>
1706    
1707      <p>On getting, the attribute <em class=rfc2119>MUST</em> return
1708      the value associated to this attribute.</p>
1709    
1710      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1711      <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
1712      <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
1713      <em class=rfc2119>MUST</em> set the specified value as the
1714      value associated to this attribute.</p>
1715    
1716      <div class="note memo">
1717      <p>The attribute can be set to <code>false</code> even if the
1718      <a href="#Entity"><code>Entity</code></a> node has any child node.
1719      If the attribute is set to <code>false</code>, then any child node of
1720      the <a href="#Entity"><code>Entity</code></a> node ought to be ignored,
1721      say, for the purpose of serialization.</p>
1722      </div>
1723    
1724      <p>When an <code>EntityReference</code> node is created by cloning
1725      the replacement subtree of the <a href="#Entity"><code>Entity</code></a>
1726      node, if the attribute is set to <code>false</code>, then any descendant
1727      of the node <em class=rfc2119>MUST</em> be ignored.</p>
1728    
1729      <p>If the <a href="#Entity"><code>Entity</code></a> node is created during
1730      the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document,
1731      the following requirements are applied:  If the entity is an unparsed
1732      entity, then the attribute <em class=rfc2119>MUST</em> be set to
1733      <code>false</code>.  Otherwise, if the entity is an external entity whose
1734      replacement text is not available, or whose replacement text is not converted
1735      to a replacement tree, then the attribute <em class=rfc2119>MUST</em> be set
1736      to <code>false</code>.  Otherwise, the attribute
1737      <em class=rfc2119>MUST</em> be set to <code>true</code>.</p>
1738    
1739      <div class="note memo">
1740      <p>An <a href="#Entity"><code>Entity</code></a> node created by the
1741      <a href="#createGeneralEntity"><code>createGeneralEntity</code></a> method
1742      has its <a href="#hasReplacementTree"><code>hasReplacementTree</code></a>
1743      attribute set to <code>false</code>.</p>
1744      </div></dd>
1745    <dt><dfn id=isExternallyDeclared class=dom-attr><code>isExternallyDeclared</code></dfn>
1746    of type <code>boolean</code></dt>
1747      <dd><p>Whether the entity is declared by an external entity declaration or
1748      not.  If the value is <code>true</code>, the entity is declared in an entity
1749      declaration in the external subset entity or in an external parameter entity.
1750      If the value is <code>false</code>, the entity is declared in an entity
1751      declaration in the internal subset, or the node is created in memory.</p>
1752    
1753      <p>On getting, the attribute <em class=rfc2119>MUST</em> return
1754      the value associated to this attribute.</p>
1755    
1756      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1757      <code>NO_MODIFICATION_ALLOWED_ERR</code> if the node is
1758      <a href="#read-only">read$B!>(Bonly</a>.  Otherwise, it
1759      <em class=rfc2119>MUST</em> set the specified value as the value associated
1760      to this attribute.</p>
1761    
1762      <p>If the <a href="#Entity"><code>Entity</code></a> node is created during
1763      the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document,
1764      the following requirements are applied:  If the entity is an unparsed
1765      entity, then the attribute <em class=rfc2119>MUST</em> be set to
1766      <code>false</code>.  Otherwise, i.e. the entity is a parsed entity, then the
1767      attribute <em class=rfc2119>MUST</em> be set to the value of whether the
1768      entity is declared by an external markup declaration or not.</p></dd>
1769    </dl>
1770    </div>
1771    
1772    <div class=section id=section-notation>
1773    <h3>Modifications to the <code id=Notation>Notation</code> Interface</h3>
1774    
1775    <p>The implementation of the <a href="#Notation"><code>Notation</code></a>
1776    interface <em class=rfc2119>MUST</em> be modified as the following
1777    <a href="#idl-fragment"><abbr>IDL</abbr> fragment</a>:</p>
1778    <pre class=idl><code>// Modifications to the Notation interface
1779      attribute DOMString <a href="#publicId">publicId</a>;
1780      attribute DOMString <a href="#systemId">systemId</a>;
1781    
1782      // Addition to the Notation interface
1783      readonly attribute <a href="#DocumentType">DocumentType</a> <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
1784    </code></pre>
1785  </div>  </div>
1786    
1787  </div>  </div>
# Line 1093  of <abbr>XML</abbr> 1.0 Line 1794  of <abbr>XML</abbr> 1.0
1794    
1795  <dl>  <dl>
1796  <dt id=ref-DOM3CORE>DOM3CORE</dt>  <dt id=ref-DOM3CORE>DOM3CORE</dt>
1797    <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
1798  <dt id=ref-DOMDTDEF>DOMDTDEF</dt>    Object Model (<abbr>DOM</abbr>) Level 3 Core Specification, Version
1799    <dd class=ed>@@ manakai's extension to DOM for document type definitions</dd>    1.0</a></cite>, <abbr>W3C</abbr> Recommendation, <time datetime=2004-04-07>7
1800      April 2004</time>.  <em>This</em> version of the specification is referenced.
1801      The latest version of the specification is available at
1802      <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>
1803    <dt id=ref-DOMBIND>DOMBIND</dt>
1804      <dd><cite><a href="http://www.w3.org/TR/2007/WD-DOM-Bindings-20071017/">Language
1805      Bindings for <abbr>DOM</abbr> Specifications</a></cite>, <abbr>W3C</abbr>
1806      Working Draft, <time datetime=2007-10-17>17 October 2007</time>.  
1807      <em>This</em> version of the specification is referenced.  The latest version
1808      of the specification is available at
1809      <code class=uri>&lt;<a href="http://www.w3.org/TR/DOM-Bindings/">http://www.w3.org/TR/DOM-Bindings/</a>></code>.</dd>
1810    <dt id=ref-DOMPERL>DOMPERL</dt>
1811      <dd><cite><a href="http://suika.fam.cx/gate/2005/sw/manakai/DOM%20Perl%20Binding">manakai's
1812      <abbr>DOM</abbr> Perl Binding</a></cite>, editor's draft.  Work in
1813      progress.</dd>
1814    <dt id=ref-HTML5>HTML5</dt>
1815      <dd><cite><a href="http://whatwg.org/html5"><abbr>HTML</abbr> 5</a></cite>,
1816      <abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr>
1817      Working Draft.  Work in progress.</dd>
1818    <dt id=ref-INFOSET>INFOSET</dt>
1819      <dd><cite><a href="http://www.w3.org/TR/2004/REC-xml-infoset-20040204"><abbr>XML</abbr>
1820      Information Set (Second Edition)</a></cite>, <abbr>W3C</abbr> Recommendation,
1821      <time datetime=2004-02-04>4 February 2004</time>.  <em>This</em> version of
1822      the specification is referenced.  The latest version of the specification is
1823      available at
1824      <code class=uri>&lt;<a href="http://www.w3.org/TR/xml-infoset">http://www.w3.org/TR/xml-infoset</a>></code>.</dd>
1825  <dt id="ref-KEYWORDS">KEYWORDS</dt>  <dt id="ref-KEYWORDS">KEYWORDS</dt>
1826    <dd><cite><a href="urn:ietf:rfc:2119">Key words for use in    <dd><cite><a href="urn:ietf:rfc:2119">Key words for use in
1827    <abbr>RFCs</abbr> to Indicate Requirement Levels</a></cite>,    <abbr>RFCs</abbr> to Indicate Requirement Levels</a></cite>,
# Line 1104  of <abbr>XML</abbr> 1.0 Line 1830  of <abbr>XML</abbr> 1.0
1830    14</a>, <abbr title="Request for Comments">RFC</abbr> 2119,    14</a>, <abbr title="Request for Comments">RFC</abbr> 2119,
1831    <time datetime=1997-03>March 1997</time>.    <time datetime=1997-03>March 1997</time>.
1832    <em>This</em> version of the specification is referenced.</dd>    <em>This</em> version of the specification is referenced.</dd>
1833  <dt id=ref-INFOSET>INFOSET</dt>  <dt id=ref-MANAKAI>MANAKAI</dt>
1834    <dd class=ed>@@</dd>    <dd><cite><a href="http://suika.fam.cx/gate/2005/sw/manakai/DOM%20Extensions">
1835  <dt id=ref-XML10">XML10</dt>    manakai's <abbr>DOM</abbr> Extensions</a></cite>, editor's draft.  Work in
1836      progress.</dd>
1837    <dt id=ref-XML10>XML10</dt>
1838    <dd><cite><a href="http://www.w3.org/TR/2006/REC-xml-20060816">Extensible    <dd><cite><a href="http://www.w3.org/TR/2006/REC-xml-20060816">Extensible
1839    Markup Language (<abbr>XML</abbr>) 1.0 (Fourth Edition)</a></cite>,    Markup Language (<abbr>XML</abbr>) 1.0 (Fourth Edition)</a></cite>,
1840    <abbr>W3C</abbr> Recommendation, <time datetime=2006-08-16>16 August    <abbr>W3C</abbr> Recommendation, <time datetime=2006-08-16>16 August
1841    2006</time>, edited in place <time datetime=2006-09-29>29 September    2006</time>, edited in place <time datetime=2006-09-29>29 September
1842    2006</time>.  Tje latest version of the specification is available at    2006</time>.  <em>This</em> version of the specification is referenced.  The
1843    <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
1844    <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>
1845  <dt id=ref-XML11>XML11</dt>  <dt id=ref-XML11>XML11</dt>
1846    <dd class=ed>@@</dd>    <dd><cite><a href="http://www.w3.org/TR/2006/REC-xml11-20060816/">Extensible
1847      Markup Language (<abbr>XML</abbr>) 1.1 (Second Edition)</a></cite>,
1848      <abbr>W3C</abbr> Recommendation, <time datetime=2006-08-16>16 August
1849      2006</time>, edited in place <time datetime=2006-09-29>29 September
1850      2006</time>.  <em>This</em> version of the specification is referenced.  The
1851      latest version of the specification is available at
1852      <code class=uri>&lt;<a href="http://www.w3.org/TR/xml11">http://www.w3.org/TR/xml11</a>></code>.</dd>
1853  </dl>  </dl>
1854  </div>  </div>
1855    
1856  <div id="informative-references" class="section informative reference">  <div id="informative-references" class="section informative reference">
1857  <h3>Non$B!>(Bnormative References</h3>  <h3>Non$B!>(Bnormative References</h3>
1858    
1859  <dl class=ed>  <dl>
1860  <dt id=ref-CSS>CSS</dt>  <dt id=ref-DOM1WD>DOM1WD</dt>
1861    <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
1862    Style Sheets Level 2 Revision 1 (<abbr>CSS</abbr> 2.1)    Model Specification</a></cite>, <abbr>W3C</abbr> Working Draft,
1863    Specification</a></cite>,    <time datetime=1997-12-09>9 December 1997</time>.</dd>
1864    <abbr title="World Wide Web Consortium">W3C</abbr> Candidate    <dd><cite><a href="http://www.w3.org/TR/WD-DOM-19980318/">Document Object
1865    Recommendation, <time datetime=2007-07-19>19 July 2007</time>.    Model Specification</a></cite>, <abbr>W3C</abbr> Working Draft,
1866    Work in progress.  The latest version of the specification is    <time datetime=1998-03-18>18 March 1998</time>.</dd>
1867    available at    <dd><cite><a href="http://www.w3.org/TR/1998/WD-DOM-19980416/">Document
1868    <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
1869  <dt id=ref-CSSOM>CSSOM</dt>    Draft, <time datetime=1998-04-16>16 April 1998</time>.</dd>
1870    <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>
1871    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
1872    <abbr title="World Wide Web Consortium">W3C</abbr> Editor's Draft,    Object Model (<abbr>DOM</abbr>) Level 3 Abstract Schemas Specification,
1873    <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
1874    The latest Editor's Draft of the specification is available at    July 2002</time>.  The latest version of the specification is available at
1875    <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>
1876  <dt id=ref-HTML5>HTML5</dt>  <dt id=ref-XSAPI>XSAPI</dt>
1877    <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>
1878    <abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr>    Schema <abbr>API</abbr></a></cite>, <abbr>W3C</abbr> Member Submission,
1879    Working Draft.  Work in progress.</dd>    <time datetime=2004-03-09>9 March 2004</time>.  The latest version of the
1880  <dt id=ref-SAPI>SAPI</dt>    specification is available at
1881    <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>  
   2.0</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>  
1882  </dl>  </dl>
1883  </div>  </div>
1884    
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