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revision 1.8 by wakaba, Sun Dec 2 10:20:25 2007 UTC revision 1.17 by wakaba, Tue Dec 4 11:01:49 2007 UTC
# Line 10  Line 10 
10    
11  <div class="header">  <div class="header">
12  <h1>DOM Document Type Definition Module</h1>  <h1>DOM Document Type Definition Module</h1>
13  <h2>Working Draft <time datetime=2007-12-01>1 December 2007</time></h2>  <h2>Working Draft <time datetime=2007-12-03>3 December 2007</time></h2>
14    
15  <dl class="versions-uri">  <dl class="versions-uri">
16  <dt>This Version</dt>  <dt>This Version</dt>
# Line 125  raised is undefined.</p> Line 125  raised is undefined.</p>
125  interface.</p>  interface.</p>
126    
127  <p class=ed>@@ ref to DOM Binding Spec</p>  <p class=ed>@@ ref to DOM Binding Spec</p>
128    
129    <p>If the <code>strictErrorChecking</code> attribute of the
130    <code>Document</code> node is <code>false</code>, the methods are
131    not required to raise exceptions <span class=ed>[DOM3]</span>.</p>
132  </div>  </div>
133    
134  <div class=section id=dom-dtdef>  <div class=section id=dom-dtdef>
# Line 139  consists of three interfaces:</p> Line 143  consists of three interfaces:</p>
143  <li><a href="#AttributeDefinition"><code>AttributeDefinition</code></a></li>  <li><a href="#AttributeDefinition"><code>AttributeDefinition</code></a></li>
144  </ul>  </ul>
145    
146  <p>In addition, it adds methods, attributes, and/or constants to interfaces  <p>In addition, it modifies interfaces
147  <a href="#Node"><code>Node</code></a>,  <a href="#Node"><code>Node</code></a>,
148    <a href="#DocumentType"><code>DocumentType</code></a>,
149  <a href="#Entity"><code>Entity</code></a>,  <a href="#Entity"><code>Entity</code></a>,
150  <a href="#EntityReference"><code>EntityReference</code></a>, and  <a href="#EntityReference"><code>EntityReference</code></a>,
151  <a href="#Notation"><code>Notation</code></a>.  <a href="#Notation"><code>Notation</code></a>, and
152  It modifies semantics of some of methods and attributes in  <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>.</p>
 <a href="#Node"><code>Node</code></a> and  
 <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>  
 interfaces, for the support of new interfaces.</p>  
153    
154  <div class=section id=features>  <div class=section id=features>
155  <h3>Feature Name</h3>  <h3>Feature Name</h3>
# Line 172  feature names with or without version nu Line 174  feature names with or without version nu
174  aforementioned cases.</p>  aforementioned cases.</p>
175  </div>  </div>
176    
177    <div class=section id=section-node>
178    <h3>Modifications to the <code id=Node>Node</code> Interface</h3>
179    
180    <p>The implementation of the
181    <a href="#Node"><code>Node</code></a> interface
182    <em class=rfc2119>MUST</em> be modified as following:</p>
183    <pre class=idl><code>// Additions to the Node interface
184    
185    // Additions to the NodeType definition group
186    const unsigned short <a href="#ELEMENT_TYPE_DEFINITION_NODE">ELEMENT_TYPE_DEFINITION_NODE</a> = 81001;
187    const unsigned short <a href="#ATTRIBUTE_DEFINITION_NODE">ATTRIBUTE_DEFINITION_NODE</a> = 81002;
188    </pre>
189    
190    <p>This specification adds two new types (subinterfaces) of
191    <a href="#Node"><code>Node</code></a>: element type definition (node type
192    <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>,
193    interface
194    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) and
195    attribute definition (node type
196    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>,
197    interface
198    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).  For
199    these kinds of nodes, methods and attributes in the
200    <a href="#Node"><code>Node</code></a> interface must behave as following:</p>
201    
202    <dl>
203    <dt><code id=attributes>attributes</code></dt>
204      <dd>
205        <p>On getting, the attribute <em class=rfc2119>MUST</em> return
206        <code>null</code>.</p>
207      </dd>
208    <dt><code id=baseURI>baseURI</code></dt>
209      <dd>
210        <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
211        value of the <a href="#baseURI"><code>baseURI</code></a> attribute
212        of the node in the <code>ownerDocument</code> attribute of the node.
213        Note that the value might be <code>null</code>.</p>
214      </dd>
215    <dt><code id=nodeName>nodeName</code></dt>
216      <dd>
217        <p>If the node is an
218        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
219        On getting, the attribute <em class=rfc2119>MUST</em> return the
220        name of the element type definition represented by the node.</p>
221    
222        <p>If the node is an
223        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
224        On getting, the attribute <em class=rfc2119>MUST</em> return the
225        name of the attribute definition represented by the node.</p>
226      </dd>
227    <dt><code id=nodeType>nodeType</code></dt>
228      <dd>
229        <p>On getting, the attribute <em class=rfc2119>MUST</em> return
230        <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
231        (if the node is an
232        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) or
233        <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
234        (if the node is an
235        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).</p>
236    
237        <!-- NodeType -->
238    <p>Two constants are added to the <code id=NodeType>NodeType</code>
239    definition group of the <a href="#Node"><code>Node</code></a> interface as
240    following:</p>
241    <table>
242    <thead>
243    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
244    </thead>
245    <tbody>
246    <tr>
247    <th scope=row><dfn id=ELEMENT_TYPE_DEFINITION_NODE class=dom-const><code>ELEMENT_TYPE_DEFINITION_NODE</code></dfn>
248    <td><code>81001</code><td>The node is an
249    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>.</tr>
250    <tr>
251    <th scope=row><dfn id=ATTRIBUTE_DEFINITION_NODE class=dom-const><code>ATTRIBUTE_DEFINITION_NODE</code></dfn>
252    <td><code>81002</code><td>The node is an
253    <a href="#ElementTypeDefinition"><code>AttributeDefinition</code></a>.</tr>
254    </tbody>
255    </table>
256      </dd>
257    <dt><code id=nodeValue>nodeValue</code> and
258    <code id=textContent>textContent</code></dt>
259      <dd>
260        <p>If the node is an
261        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
262        On getting, the attributes <em class=rfc2119>MUST</em> return the
263        name of the element type.</p>
264    
265        <div class="note memo">
266          <p>Thus, on setting the attributes does nothing
267          <span class=ed>[DOM3]</span>.</p>
268        </div>
269    
270        <p>On setting, the <a href="#textContent"><code>textContent</code></a>
271        attribute <em class=rfc2119>MUST NOT</em> raise a
272        <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>.
273        <span class=ed>@@ I forgot why this requirement is necessary.</span></p>
274    
275        <p>If the node is an
276        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:</p>
277    
278        <pre class=ed>
279    The getter of the [CODE(DOMa)@en[[[nodeValue]]]] attribute
280    of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object
281    [['''MUST''']] return the normalized default value
282    of the attribute.
283    
284    @@
285    
286    [4] The getter of the [CODE(DOMa)@en[[[textContent]]]]
287    attribute of an [CODE(DOMi)@en[[[AttributeDefinition]]]]
288    object [['''MUST''']] behave as if it were an
289    [CODE(DOMi)@en[[[Attr]]]] object.
290    
291    The setter of the [CODE(DOMa)@en[[[textContent]]]] attribute
292    of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object
293    [['''MUST''']] behave as if the following algorithm
294    is performed:
295    = If the [CODE(DOMi)@en[[[AttributeDefinition]]]]
296    object is read-only, then throw an
297    [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].
298    = Remove any child node the node has.
299    = If the new value is not empty and not [CODE(IDL)@en[[[null]]]],
300    then create a [CODE(DOMi)@en[[[Text]]]] node
301    whose [CODE(DOMa)@en[[[data]]]] is the new value
302    and append it to the [CODE(DOMi)@en[[[AttributeDefinition]]]].
303    </pre>
304      </dd>
305    <dt class=ed>@@ ...</dt>
306    </dl>
307    
308    </div>
309    
310  <div class=section id=section-documentxdoctype>  <div class=section id=section-documentxdoctype>
311  <h3>The <code>DocumentXDoctype</code> Interface</h3>  <h3>The <code>DocumentXDoctype</code> Interface</h3>
312    
313    <p>The <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface
314    <em class=rfc2119>MUST</em> be implemented as following:</p>
315  <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {  <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {
316    DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>    DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>
317      (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)
318      raises (DOMException);      raises (DOMException);
319    ElementTypeDefinition <a href="#createElementTypeDefinition">createElementTypeDefinition</a>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#createElementTypeDefinition">createElementTypeDefinition</a>
320      (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)
321      raises (DOMException);      raises (DOMException);
322    AttributeDefinition <a href="#createAttributeDefinition">createAttributeDefinition</a>    <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#createAttributeDefinition">createAttributeDefinition</a>
323      (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)
324      raises (DOMException);      raises (DOMException);
325    Entity <a href="#createGeneralEntity">createGeneralEntityDefinition</a>    <a href="#Entity">Entity</a> <a href="#createGeneralEntity">createGeneralEntityDefinition</a>
326      (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)      (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)
327      raises (DOMException);      raises (DOMException);
328    Notation <a href="#createNotation">createNotation</a>    <a href="#Notation">Notation</a> <a href="#createNotation">createNotation</a>
329      (in DOMString <a href="#createNotation-name"><var>name</var></a>)      (in DOMString <a href="#createNotation-name"><var>name</var></a>)
330      raises (DOMException);      raises (DOMException);
331  }</code></pre>  }</code></pre>
# Line 399  since <abbr>DOM3</abbr> specification <s Line 536  since <abbr>DOM3</abbr> specification <s
536  define it for <code>Document</code> methods.</p>  define it for <code>Document</code> methods.</p>
537    
538  <p><var>name</var> does not have to be a namespace qualified name.</p>  <p><var>name</var> does not have to be a namespace qualified name.</p>
539    </div>
540    
 <p>If the <code>strictErrorChecking</code> attribute of the  
 <code>Document</code> node is <code>false</code>, the methods are  
 not required to raise the exception <span class=ed>[DOM3]</span>.</p>  
541  </div>  </div>
542    
543    
544    <div class=section id=section-documenttype>
545    <h3>Modifications to the <code id=DocumentType>DocumentType</code>
546    Interface</h3>
547    
548    <p>A <a href="#DocumentType"><code>DocumentType</code></a> interface
549    <em class=rfc2119>MAY</em> contain zero or more
550    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
551    nodes in the <code>NodeList</code> object contained in the
552    <code>childNodes</code> attribute of the
553    <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
554    
555    <p>If the <a href="#DocumentType"><code>DocumentType</code></a> node is created
556    during the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr>
557    document, the <code>NodeList</code> object in the <code>childNodes</code>
558    object <em class=rfc2119>MUST</em> contains the
559    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
560    nodes representing the processing instructions in the document type
561    definition of the document processed <span class=ed>@@ ref</span> by
562    the <abbr>XML</abbr> processor.  If the
563    <a href="#DocumentType"><code>DocumentType</code></a> node is marked
564    as read$B!>(Bonly, then all the child nodes <em class=rfc2119>MUST</em>
565    also be marked as read$B!>(Bonly.</p>
566    
567    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is created
568    from a document type declaration information item <span class=ed>@@ ref</span>,
569    the <code>NodeList</code> object in the <code>childNodes</code> attribute
570    of the node <em class=rfc2119>MUST</em> contain the
571    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
572    created from the processing instruction information items in the list in the
573    [children] property of the document type declaration item in the same
574    order.</p>
575    
576    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is mapped to
577    a document type declaration information item, the list in the [children]
578    property <em class=rfc2119>MUST</em> contain the processng instruction
579    information items created from the
580    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
581    in the <code>NodeList</code> object in the <code>childNodes</code> attribute
582    of the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
583    
584    <p>The implementation of the
585    <a href="#DocumentType"><code>DocumentType</code></a> interface
586    <em class=rfc2119>MUST</em> be modified as following:</p>
587    <pre class=idl><code>// Modifications to the DocumentType interface
588      attribute DOMString <a href="#publicId">publicId</a>;
589      attribute DOMString <a href="#systemId">systemId</a>;
590    
591      attribute DOMString <a href="#internalSubset">internalSubset</a>;
592    </code></pre>
593    
594    <p>The <code id=publicId>publicId</code> attribute and the
595    <code id=systemId>systemId</code> attribute of
596    <a href="#DocumentType"><code>DocumentType</code></a>,
597    <a href="#Entity"><code>Entity</code></a>, and
598    <a href="#Notation"><code>Notation</code></a> interfaces are no longer
599    read$B!>(Bonly.</p>
600    
601    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
602    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
603    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
604    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
605    associated to the attribute.  No normalization, relative reference resolution,
606    or lexical validation is performed. <span class=ed>@@ If the new
607    value is <code>null</code>, ...</span></p>
608    
609    <div class="note memo">
610    <p>Setting an invalid identifier might make the node unserializable.
611    Setting a public identifier while leaveing system identifier unspecified
612    would also make the <a href="#DocumentType"><code>DocumentType</code></a>
613    or <a href="#Entity"><code>Entity</code></a> node unserializable.</p>
614    </div>
615    
616    <div class=ed>
617    <p>ISSUE: In HTML5, Firefox 1.5, and Opera 9, not specifying public or system identifier results in empty strings.</p>
618    </div>
619    
620    <p>The <code id=internalSubset>internalSubset</code> attribute of the
621    <a href="#DocumentType"><code>DocumentType</code></a> interface is no longer
622    read$B!>(Bonly.</p>
623    
624    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
625    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
626    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
627    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
628    associated to the attribute.  No normalization, or lexical validation is
629    performed. <span class=ed>@@ If the new value is <code>null</code>,
630    ...</span></p>
631    
632  </div>  </div>
633    
634  <div class=section id=section-documenttypedefinition>  <div class=section id=section-documenttypedefinition>
635  <h3>The <code>DocumentTypeDefinition</code> Interface</h3>  <h3>The <code>DocumentTypeDefinition</code> Interface</h3>
636    
637    <div class="note memo">
638    <p>This interface is a separated interface from the
639    <a href="#DocumentType"><code>DocumentType</code></a>, not a set of extensions
640    to the <a href="#DocumentType"><code>DocumentType</code></a>,
641    for the historical reason.</p>
642    </div>
643    
644    <p>The
645    <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
646    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
647  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {
648    readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;    readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;
649    readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;    readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;
650    readonly attribute NamedNodeMap <a href="#notations">notations</a>;    readonly attribute NamedNodeMap <a href="#notations">notations</a>;
651    
652    <span class=ed>more members come here...</span>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#getElementTypeDefinitionNode">getElementTypeDefinitionNode</a>
653        (in DOMString <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>);
654      <a href="#Entity">Entity</a> <a href="#getGeneralEntityNode">getGeneralEntityNode</a>
655        (in DOMString <a href="#getGeneralEntityNode-name"><var>name</var></a>);
656      <a href="#Notation">Notation</a> <a href="#getNotationNode">getNotationNode</a>
657        (in DOMString <a href="#getNotationNode-name"><var>name</var></a>);
658    
659      void <a href="#setElementTypeDefinitionNode">setElementTypeDefinitionNode</a>
660        (in DOMString <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>)
661        raises (DOMException);
662      void <a href="#setGeneralEntityNode">setGeneralEntityNode</a>
663        (in DOMString <a href="#setGeneralEntityNode-node"><var>node</var></a>)
664        raises (DOMException);
665      void <a href="#setNotationNode">setNotationNode</a>
666        (in DOMString <a href="#setNotationNode-node"><var>node</var></a>)
667        raises (DOMException);
668  }</code></pre>  }</code></pre>
669    
670  <pre class=ed>  <pre class=ed>
# Line 542  reflected by that of the object. Line 791  reflected by that of the object.
791  <div class=section id=section-elementtypedefinition>  <div class=section id=section-elementtypedefinition>
792  <h3>The <code>ElementTypeDefinition</code> Interface</h3>  <h3>The <code>ElementTypeDefinition</code> Interface</h3>
793    
794  <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> {  <p>The nodes of type
795      <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
796  }</code></pre>  represents an element type definition.  Such a node implements the
797    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
798    interface, which extends the <a href="#Node"><code>Node</code></a>
799    interface.</p>
800    
801  <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members  <p>An element type definition represents a definition of the element type.
802    It is corresponding to the element type declaration in <abbr>DTD</abbr>.
803    However, an
804    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
805    does not represent the element type definition in <abbr>DTD</abbr> itself.  
806    Even if there are more than one element type declarations for an element type
807    in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
808    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
809    node for that element type.  In addition, if there are attribute definition
810    declarations for an element type, even when there is no element type
811    declaration for that element type, the <abbr>DOM</abbr> will contain an
812    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
813    node for that element type.</p>
814    
815    <p>The <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
816    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
817    <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> : <a href="#Node">Node</a> {
818      readonly attribute <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
819    
820  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute    <span class=ed>@@ more</span>
821  of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  }</code></pre>
 [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  
   
 [4] The getter of the [CODE(DOMa)@en[[[baseURI]]]] attribute  
 of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  
 [['''MUST''']] return the [CODE(DOMa)@en[[[baseURI]]]]  
 of the [CDOE(DOMa)@en[[[ownerDocument]]]] of the  
 [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object.  
 Note that it might be [CODE(IDL)@en[[[null]]]].  
   
 [1] The getter of the [CODE(DOMa)@en[[[nodeName]]]] attribute  
 of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  
 [['''MUST''']] return the name of the element type.  
   
 [2] The getters of the [CODE(DOMa)@en[[[nodeValue]]]]  
 and [CODE(DOMa)@en[[[textContent]]]] attributes  
 of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  
 object [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  
   
 ;; Thus, the setter of these attributes do nothing.  
   
 The setter of the [CODE(DOMa)@en[[[textContent]]]]  
 attribute of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  
 object [['''MUST NOT''']] throw a  
 [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].  
   
 ** The [CODE(DOMi)@en[ElementTypeDefinition]] Interface  
822    
823  [5] The  <pre class=ed>
824  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]
825  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]
826  interface is defined in [[manakai//DOM Extensions]>>50].</pre>  interface is defined in [[manakai//DOM Extensions]>>50].</pre>
# Line 586  interface is defined in [[manakai//DOM E Line 829  interface is defined in [[manakai//DOM E
829  <div class=section id=section-attributedefinition>  <div class=section id=section-attributedefinition>
830  <h3>The <code>AttributeDefinition</code> Interface</h3>  <h3>The <code>AttributeDefinition</code> Interface</h3>
831    
832  <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> {  <p>The nodes of type
833    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
834    represents an attribute definition.  Such a node implements the
835    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> interface,
836    which extends the <a href="#Node"><code>Node</code></a> interface.</p>
837    
838    <p>An attribute definition represents a definition of the attribute
839    associated to an element type.  It is corresponding to the attribute definition
840    in the attribute list declaration in <abbr>DTD</abbr>.  However, an
841    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node does
842    not represent the attribute definition in <abbr>DTD</abbr> itself.  Even if
843    there are more than one attribute definitions for an attribute of an element
844    type in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
845    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node for
846    that attribute.</p>
847    
848    <p>The <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
849    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
850    <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> : <a href="#Node">Node</a> {
851      <span class=comment>// <a href="#DeclaredValueType">DeclaredValueType</a></span>
852      const unsigned short <a href="#NO_TYPE_ATTR">NO_TYPE_ATTR</a> = 0;
853      const unsigned short <a href="#CDATA_ATTR">CDATA_ATTR</a> = 1;
854      const unsigned short <a href="#ID_ATTR">ID_ATTR</a> = 2;
855      const unsigned short <a href="#IDREF_ATTR">IDREF_ATTR</a> = 3;
856      const unsigned short <a href="#IDREFS_ATTR">IDREFS_ATTR</a> = 4;
857      const unsigned short <a href="#ENTITY_ATTR">ENTITY_ATTR</a> = 5;
858      const unsigned short <a href="#ENTITIES_ATTR">ENTITIES_ATTR</a> = 6;
859      const unsigned short <a href="#NMTOKEN_ATTR">NMTOKEN_ATTR</a> = 7;
860      const unsigned short <a href="#NMTOKENS_ATTR">NMTOKENS_ATTR</a> = 8;
861      const unsigned short <a href="#NOTATION_ATTR">NOTATION_ATTR</a> = 9;
862      const unsigned short <a href="#ENUMERATION_ATTR">ENUMERATION_ATTR</a> = 10;
863      const unsigned short <a href="#UNKNOWN_ATTR">UNKNOWN_ATTR</a> = 11;
864    
865      <span class=comment>// <a href="#DefaultValueType">DefaultValueType</a></span>
866      const unsigned short <a href="#UNKNOWN_DEFAULT">UNKNOWN_DEFAULT</a> = 0;
867      const unsigned short <a href="#FIXED_DEFAULT">FIXED_DEFAULT</a> = 1;
868      const unsigned short <a href="#REQUIRED_DEFAULT">REQUIRED_DEFAULT</a> = 2;
869      const unsigned short <a href="#IMPLIED_DEFAULT">IMPLIED_DEFAULT</a> = 3;
870      const unsigned short <a href="#EXPLICIT_DEFAULT">EXPLICIT_DEFAULT</a> = 4;
871        
872  }</code></pre>    readonly attribute <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#ownerElementTypeDefinition">ownerElementTypeDefinition</a>;
873    
874  <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members    readonly attribute unsigned short <a href="#declaredType">declaredType</a>;
875      readonly attribute unsigned short <a href="#defaultType">defaultType</a>;
876    
877  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute    <span class=ed>...</span>
878  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  }</code></pre>
 [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  
879    
880  [9] The getter of the [CODE(DOMa)@en[[[baseURI]]]] attribute  <dl>
881  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  <dt><dfn id=ownerElementTypeDefinition class=dom-attr><code>ownerElementTypeDefinition</code></dfn>
882  [['''MUST''']] return the [CODE(DOMa)@en[[[baseURI]]]]  of type
883  of the [CDOE(DOMa)@en[[[ownerDocument]]]] of the  <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
884  [CODE(DOMi)@en[[[AttributeDefinition]]]] object.  read$B!>(Bonly</dt>
885  Note that it might be [CODE(IDL)@en[[[null]]]].    <dd><p>The
886      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> to
887      which the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
888      node belongs.</p>
889    
890      <p>On getting, the attribute <em class=rfc2119>MUST</em> return an
891      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
892      It <em class=rfc2119>MUST</em> be such a node that whose
893      <a href="#attributeDefinitons"><code>attributeDefinitions</code></a>
894      attribute contains the <code>NamedNodeMap</code> object that contains
895      the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
896      node.  If there is no such an
897      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
898      then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p>
899    <dt><dfn id=declaredType class=dom-attr><code>declaredType</code></dfn> of type
900    <code>unsigned short</code></dt>
901      <dd><p>The declared type <span class=ed>@@ ref</span> of the attribute.
902      It is expected that this attribute contains a value from the definition group
903      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>.</p>
904    
905  [1] The getter of the [CODE(DOMa)@en[[[nodeName]]]] attribute    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
906  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object    value associated to this attribute.</p>
 [['''MUST''']] return the name of the attribute.  
907    
908  [2] The getter of the [CODE(DOMa)@en[[[nodeValue]]]] attribute    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
909  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
910  [['''MUST''']] return the normalized default value    exception if the
911  of the attribute.    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
912      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
913      <em class=rfc2119>MUST</em> set the specified value as the value
914      associated to this attribute.</p>
915    
916      <p>If the <code>AttributeDefinition</code> node is created during the process
917      to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, an
918      appropriate value from the
919      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a> constant
920      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
921    
922      <!-- DeclaredValueType -->
923    <p>The definition group
924    <dfn id=DeclaredValueType><code>DeclaredValueType</code></dfn> contains
925    integers indicating the declared type of attributes.  The definition
926    group contains the following constants:</p>
927    
928    <table>
929    <thead>
930    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
931    </thead>
932    <tbody>
933    <tr>
934    <th scope=row><dfn id=NO_TYPE_ATTR class=dom-const><code>NO_TYPE_ATTR</code>
935    <td><code>0</code><td>No value <span class=ed>[INFOSET]</span>.</tr>
936    <tr>
937    <th scope=row><dfn id=CDATA_ATTR class=dom-const><code>CDATA_ATTR</code>
938    <td><code>1</code><td><code>CDATA</code> <span class=ed>[XML]</span>.</tr>
939    <tr>
940    <th scope=row><dfn id=ID_ATTR class=dom-const><code>ID_ATTR</code>
941    <td><code>2</code><td><code>ID</code> <span class=ed>[XML]</span>.</tr>
942    <tr>
943    <th scope=row><dfn id=IDREF_ATTR class=dom-const><code>IDREF_ATTR</code>
944    <td><code>3</code><td><code>IDREF</code> <span class=ed>[XML]</span>.</tr>
945    <tr>
946    <th scope=row><dfn id=IDREFS_ATTR class=dom-const><code>IDREFS_ATTR</code>
947    <td><code>4</code><td><code>IDREFS</code> <span class=ed>[XML]</span>.</tr>
948    <tr>
949    <th scope=row><dfn id=ENTITY_ATTR class=dom-const><code>ENTITY_ATTR</code>
950    <td><code>5</code><td><code>ENTITY</code> <span class=ed>[XML]</span>.</tr>
951    <tr>
952    <th scope=row><dfn id=ENTITIES_ATTR class=dom-const><code>ENTITIES_ATTR</code>
953    <td><code>6</code><td><code>ENTITIES</code> <span class=ed>[XML]</span>.</tr>
954    <tr>
955    <th scope=row><dfn id=NMTOKEN_ATTR class=dom-const><code>NMTOKEN_ATTR</code>
956    <td><code>7</code><td><code>NMTOKEN</code> <span class=ed>[XML]</span>.</tr>
957    <tr>
958    <th scope=row><dfn id=NMTOKENS_ATTR class=dom-const><code>NMTOKENS_ATTR</code>
959    <td><code>8</code><td><code>NMTOKENS</code> <span class=ed>[XML]</span>.</tr>
960    <tr>
961    <th scope=row><dfn id=NOTATION_ATTR class=dom-const><code>NOTATION_ATTR</code>
962    <td><code>9</code><td><code>NOTATION</code> <span class=ed>[XML]</span>.</tr>
963    <tr>
964    <th scope=row><dfn id=ENUMERATION_ATTR class=dom-const><code>ENUMERATION_ATTR</code>
965    <td><code>10</code><td>Enumeration <span class=ed>[XML]</span>.</tr>
966    <tr>
967    <th scope=row><dfn id=UNKNOWN_ATTR class=dom-const><code>UNKNOWN_ATTR</code>
968    <td><code>11</code><td>Unknown, because no declaration for the attribute
969    has been read but the [all declaration processed] property
970    <span class=ed>[INFOSET]</span> would be false.</tr>
971    </tbody>
972    </table>
973    
974    <p>If no attribute type information is available, or if the source
975    of the information does not distinguish <q>no value</q> and <q>unknown</q>
976    <span class=ed>[INFOSET]</span>, then the value
977    <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>
978    <em class=rfc2119>MUST</em> be used.</p>
979    
980  @@  <div class="note memo">
981    <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
982    created by the
983    <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
984    method has its <a href="#declaredType"><code>declaredType</code></a> attribute
985    set to <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</p>
986    </div>
987    
988  [4] The getter of the [CODE(DOMa)@en[[[textContent]]]]  <p>If the source of the information does not distinguish <q>no value</q>
989  attribute of an [CODE(DOMi)@en[[[AttributeDefinition]]]]  and/or <q>unknown</q> <span class=ed>[INFOSET]</span> and
990  object [['''MUST''']] behave as if it were an  <code>CDATA</code> <span class=ed>[XML]</span>, then the value
991  [CODE(DOMi)@en[[[Attr]]]] object.  <a href="#CDATA_ATTR"><code>CDATA_ATTR</code></a> <em class=rfc2119>MUST</em>
992    be used.</p>
993    
994    <p>In Perl binding <span class=ed>[PERLBINDING]</span>, the
995    <code>Attr</code> nodes <em class=rfc2119>MUST</em> implement the
996    <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>
997    definition group.</p>
998    
999  The setter of the [CODE(DOMa)@en[[[textContent]]]] attribute    </dd>
1000  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  <dt><dfn id=defaultType class=dom-attr><code>defaultType</code></dfn> of
1001  [['''MUST''']] behave as if the following algorithm  type <code>unsigned short</code></dt>
1002  is performed:    <dd><p>The type of the default for the attribute.  It is expected that this
1003  = If the [CODE(DOMi)@en[[[AttributeDefinition]]]]    attribute contains a value from the definition group
1004  object is read-only, then throw an    <a href="#DefaultValueType"><code>DefaultValueType</code></a>.</p>
1005  [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].  
1006  = Remove any child node the node has.    <p>On getting, the attribute <em class=rfc2119>MUST</em> return
1007  = If the new value is not empty and not [CODE(IDL)@en[[[null]]]],    the value associated to this attribute.</p>
1008  then create a [CODE(DOMi)@en[[[Text]]]] node  
1009  whose [CODE(DOMa)@en[[[data]]]] is the new value    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1010  and append it to the [CODE(DOMi)@en[[[AttributeDefinition]]]].    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
1011      exception if the
1012      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1013      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
1014      <em class=rfc2119>MUST</em> set the specified value as the value
1015      associated to this attribute.</p>
1016    
1017      <p>If the
1018      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node is
1019      created during the process to create a <abbr>DOM</abbr> from an
1020      <abbr>XML</abbr> document, an appropriate value from the
1021      <a href="#DefaultValueType"><code>DefaultValueType</code></a> definition
1022      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
1023    
1024      <!-- DefaultValueType -->
1025      <p>The definition group
1026      <dfn id=DefaultValueType><code>DefaultValueType</code></dfn>
1027      contains integers indicating the type of the default for the attribute.
1028      The definition group contains the following constans:</p>
1029    
1030      <table>
1031      <thead>
1032      <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
1033      </thead>
1034      <tbody>
1035      <tr>
1036      <th scope=row><dfn id=UNKNOWN_DEFAULT class=dom-const><code>UNKNOWN_DEFAULT</code></dfn>
1037      <td><code>0</code><td>Unknown.</tr>
1038      <tr>
1039      <th scope=row><dfn id=FIXED_DEFAULT class=dom-const><code>FIXED_DEFAULT</code></dfn>
1040      <td><code>1</code><td>Provided explicitly and fixed
1041      <span class=ed>@@ ref</span> to that value.</tr>
1042      <tr>
1043      <th scope=row><dfn id=REQUIRED_DEFAULT class=dom-const><code>REQUIRED_DEFAULT</code></dfn>
1044      <td><code>2</code><td>No default value and the attribute have to be
1045      explicitly specified.</tr>
1046      <tr>
1047      <th scope=row><dfn id=IMPLIED_DEFAULT class=dom-const><code>IMPLIED_DEFAULT</code></dfn>
1048      <td><code>3</code><td>Implied <span class=ed>@@ ref</span>.</tr>
1049      <tr>
1050      <th scope=row><dfn id=EXPLICIT_DEFAULT class=dom-const><code>EXPLICIT_DEFAULT</code></dfn>
1051      <td><code>4</code><td>Provided explicitly.</tr>
1052      </tbody>
1053      </table>
1054    
1055      <p>If the source of the default type does not distinguish
1056      implied and unknown default types, then the value
1057      <a href="#IMPLIED_DEFAULT"><code>IMPLIED_DEFAULT</code></a>
1058      <em class=rfc2119>MUST</em> be used.</p>
1059    
1060  ** Definition groups    <div class="note memo">
1061      <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1062      node created by the
1063      <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
1064      method has its <a href="#defaultType"><code>defaultType</code></a>
1065      attribute set to
1066      <a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</p>
1067      </div></dd>
1068    </dl>
1069    
 [6] The  
 [DFN@en[definition group [CODE(DOM)@en[[[DeclaredValueType]]]]]]  
 contains integers indicating the type of  
 attribute value:  
 ,[CODE(DOMc)@en[[[NO_TYPE_ATTR]]]],[CODE(IDL)[[[0]]]],The attribute value type corresponding to [[no value]] in XML Information Set.  
 ,[CODE(DOMc)@en[[[CDATA_ATTR]]]],[CODE(IDL)[[[1]]]],The attribute value type is [CODE(XML)@en[[[CDATA]]]].  
 ,[CODE(DOMc)@en[[[ID_ATTR]]]],[CODE(IDL)[[[2]]]],The attribute value type is [CODE(XML)@en[[[ID]]]].  
 ,[CODE(DOMc)@en[[[IDREF_ATTR]]]],[CODE(IDL)[[[3]]]],The attribute value type is [CODE(XML)@en[[[IDREF]]]].  
 ,[CODE(DOMc)@en[[[IDREFS_ATTR]]]],[CODE(IDL)[[[4]]]],The attribute value type is [CODE(XML)@en[[[IDREFS]]]].  
 ,[CODE(DOMc)@en[[[ENTITY_ATTR]]]],[CODE(IDL)[[[5]]]],The attribute value type is [CODE(XML)@en[[[ENTITY]]]].  
 ,[CODE(DOMc)@en[[[ENTITIES_ATTR]]]],[CODE(IDL)[[[6]]]],The attribute value type is [CODE(XML)@en[[[ENTITIES]]]].  
 ,[CODE(DOMc)@en[[[NMTOKEN_ATTR]]]],[CODE(IDL)[[[7]]]],The attribute value type is [CODE(XML)@en[[[NMTOKEN]]]].  
 ,[CODE(DOMc)@en[[[NMTOKENS_ATTR]]]],[CODE(IDL)[[[8]]]],The attribute value type is [CODE(XML)@en[[[NMTOKENS]]]].  
 ,[CODE(DOMc)@en[[[NOTATION_ATTR]]]],[CODE(IDL)[[[9]]]],The attribute value type is [CODE(XML)@en[[[NOTATION]]]].  
 ,[CODE(DOMc)@en[[[ENUMERATION_ATTR]]]],[CODE(IDL)[[[10]]]],The attribute value is enumeration type.  
 ,[CODE(DOMc)@en[[[UNKNOWN_ATTR]]]],[CODE(IDL)[[[11]]]],"The attribute value type is unknown, because no declaration for the attribute has been read but not [CODE(InfoProp)@en[[[all declarations processed]]]] property would be false."  
   
 The type of these constants are  
 [CODE(IDL)@en[[[unsigned]] [[short]]]].  
   
 If no attribute type information is provided,  
 or if the source of that information does not  
 distinguish [[no value]] and [[unknown]] as in  
 XML Information Set, then the  
 [CODE(DOMc)@en[[[NO_TYPE_ATTR]]]] value  
 [['''MUST''']] be used.  
   
 ;; A newly created [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object by [CODE(DOMm)@en[[[createAttributeDefinition]]]]  
 method has [CODE(DOMa)@en[[[declaredType]]]] attribute  
 set to [CODE(DOMc)@en[[[NO_TYPE_ATTR]]]].  
   
 If the source of the attribute type information  
 does not distinguish [[no value]] and / or [[unknown]]  
 and [CODE(XML)@en[[[CDATA]]]], then the  
 [CODE(DOMc)@en[[[CDATA_ATTR]]]] value [['''MUST''']]  
 be used.  
   
 [11]  
 In Perl binding, the objects implementing the  
 [CODE(DOMi)@en[[[Attr]]]] interface [['''MUST''']]  
 also implement the [CODE(DOM)@en[[[DeclaredValueType]]]]  
 constant group.  
   
 [7] The  
 [DFN@en[definition group [CODE(DOM)@en[[[DefaultValueType]]]]]]  
 contains integers indicating the type of  
 default attribute value:  
 ,[CODE(DOMc)@en[[[UNKNOWN_DEFAULT]]]],[CODE(IDL)[[[0]]]],The default value is unknown.  
 ,[CODE(DOMc)@en[[[FIXED_DEFAULT]]]],[CODE(IDL)[[[1]]]],The default value is provided and the attribute is [CODE(XML)@en[#[[FIXED]]]] to that value.  
 ,[CODE(DOMc)@en[[[REQUIRED_DEFAULT]]]],[CODE(IDL)[[[2]]]],An attribute specification is [CODE(XML)@en[#[[REQUIRED]]]] for the attribute.  
 ,[CODE(DOMc)@en[[[IMPLIED_DEFAULT]]]],[CODE(IDL)[[[3]]]],The default value is [CODE(XML)@en[#[[IMPLIED]]]].  
 ,[CODE(DOMc)@en[[[EXPLICIT_DEFAULT]]]],[CODE(IDL)[[[4]]]],The default value is provided but the attribute is not fixed to it.  
   
 The type of these constants are  
 [CODE(IDL)@en[[[unsigned]] [[short]]]].  
   
 If the source of the attribute default value type  
 does not distinguish the [CODE(XML)@en[#[[IMPLIED]]]]  
 default and unknown default, then the  
 [CODE(DOMc)@en[[[IMPLIED_DEFAULT]]]] value  
 [['''MUST''']] be used.  
   
 ;; A newly created [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object by [CODE(DOMm)@en[[[createAttributeDefinition]]]]  
 method has [CODE(DOMa)@en[[[declaredType]]]] attribute  
 set to [CODE(DOMc)@en[[[NO_TYPE_ATTR]]]].  
   
 ** Tree-relationship Attributes  
   
 [10]  
 The  
 [DFN@en[[CODE(DOMa)@en[[[ownerElementTypeDefinition]]]] attribute]]  
 of the [CODE(DOMi)@en[[[AttributeDefinition]]]] interface  
 is read-only and of type  
 [CODE(DOMi)@en[[[ElementTypeDefinition]]]].  
 It is the [CODE(DOMi)@en[[[ElementTypeDefinition]]]] node  
 which the [CODE(DOMi)@en[[[AttributeDefinition]]]] node  
 belong to.  
   
 If the [CODE(DOMi)@en[[[AttributeDefinition]]]] node  
 is included in the [CODE(DOMa)@en[[[attributeDefinitions]]]]  
 list of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] node,  
 then the attribute [['''MUST''']] return the  
 [CODE(DOMi)@en[[[ElementTypeDefinition]]]] node.  
 Otherwise, it [['''MUST''']] return [CODE(DOM)@en[[[null]]]].  
   
 ;; This attribute is analogue to the  
 [CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute  
 for [CODE(DOMi)@en[[[ElementTypeDefinition]]]],  
 [CODE(DOMi)@en[[[Entity]]]], and [CODE(DOMi)@en[[[Notation]]]]  
 nodes, or the [CODE(DOMa)@en[[[ownerElement]]]]  
 attribute for [CODE(DOMi)@en[[[Attr]]]] nodes.  
   
 ** Attributes  
   
 [5]  
 The [DFN@en[[CODE(DOMa)@en[[[declaredType]]]] attribute]]  
 of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  
 represents the type of the attribute value.  
   
 This attribute is read-write.  
 The type of the attribute is  
 [CODE(IDL)@en[[[unsigned]] [[short]]]].  It is expected  
 that this attribute has a value from the definition group  
 [CODE(DOM)@en[[[DeclaredValueType]]]].  
   
 The getter [['''MUST''']] return a value associated  
 to this attribute.  
   
 The setter [['''MUST''']]  
 throw a [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]]  
 [CODE(DOMi)@en[[[DOMException]]]] if the  
 [CODE(DOMi)@en[[[AttributeDefinition]]]] object is read-only.  
 Otherwise, the setter [['''MUST''']] set the specified  
 value as the value associated to this attribute.  
   
 If a parser create an [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object, then it [['''MUST''']] set a value  
 from the [CODE(DOM)@en[[[DeclaredValueType]]]]  
 definition group.  
   
 [8]  
 The [DFN@en[[CODE(DOMa)@en[[[defaultType]]]] attribute]]  
 of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  
 represents the type of the attribute default value.  
   
 This attribute is read-write.  
 The type of the attribute is  
 [CODE(IDL)@en[[[unsigned]] [[short]]]].  It is expected  
 that this attribute has a value from the definition group  
 [CODE(DOM)@en[[[DefaultValueType]]]].  
   
 The getter [['''MUST''']] return a value associated  
 to this attribute.  
   
 The setter [['''MUST''']]  
 throw a [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]]  
 [CODE(DOMi)@en[[[DOMException]]]] if the  
 [CODE(DOMi)@en[[[AttributeDefinition]]]] object is read-only.  
 Otherwise, the setter [['''MUST''']] set the specified  
 value as the value associated to this attribute.  
   
 If a parser create an [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object, then it [['''MUST''']] set a value  
 from the [CODE(DOM)@en[[[DefaultValueType]]]]  
 definition group.</pre>  
1070  </div>  </div>
1071    
1072  </div>  </div>
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