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revision 1.8 by wakaba, Sun Dec 2 10:20:25 2007 UTC revision 1.18 by wakaba, Tue Dec 4 11:08:48 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=2007-12-04>4 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    
133    <div class=ed>
134    <p>Conformant product classes: implementation, XML parser (XML document ->
135    DOM converter), XML serializer (DOM -> XML document covnerter).
136    XML Infoset -> DOM converter, and DOM -> XML Infoset converter.</p>
137    </div>
138  </div>  </div>
139    
140  <div class=section id=dom-dtdef>  <div class=section id=dom-dtdef>
# Line 139  consists of three interfaces:</p> Line 149  consists of three interfaces:</p>
149  <li><a href="#AttributeDefinition"><code>AttributeDefinition</code></a></li>  <li><a href="#AttributeDefinition"><code>AttributeDefinition</code></a></li>
150  </ul>  </ul>
151    
152  <p>In addition, it adds methods, attributes, and/or constants to interfaces  <p>In addition, it modifies interfaces
153  <a href="#Node"><code>Node</code></a>,  <a href="#Node"><code>Node</code></a>,
154    <a href="#DocumentType"><code>DocumentType</code></a>,
155  <a href="#Entity"><code>Entity</code></a>,  <a href="#Entity"><code>Entity</code></a>,
156  <a href="#EntityReference"><code>EntityReference</code></a>, and  <a href="#EntityReference"><code>EntityReference</code></a>,
157  <a href="#Notation"><code>Notation</code></a>.  <a href="#Notation"><code>Notation</code></a>, and
158  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>  
159    
160  <div class=section id=features>  <div class=section id=features>
161  <h3>Feature Name</h3>  <h3>Feature Name</h3>
# Line 172  feature names with or without version nu Line 180  feature names with or without version nu
180  aforementioned cases.</p>  aforementioned cases.</p>
181  </div>  </div>
182    
183    <div class=section id=section-node>
184    <h3>Modifications to the <code id=Node>Node</code> Interface</h3>
185    
186    <p>The implementation of the
187    <a href="#Node"><code>Node</code></a> interface
188    <em class=rfc2119>MUST</em> be modified as following:</p>
189    <pre class=idl><code>// Additions to the Node interface
190    
191    // Additions to the NodeType definition group
192    const unsigned short <a href="#ELEMENT_TYPE_DEFINITION_NODE">ELEMENT_TYPE_DEFINITION_NODE</a> = 81001;
193    const unsigned short <a href="#ATTRIBUTE_DEFINITION_NODE">ATTRIBUTE_DEFINITION_NODE</a> = 81002;
194    </pre>
195    
196    <p>This specification adds two new types (subinterfaces) of
197    <a href="#Node"><code>Node</code></a>: element type definition (node type
198    <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>,
199    interface
200    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) and
201    attribute definition (node type
202    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>,
203    interface
204    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).  For
205    these kinds of nodes, methods and attributes in the
206    <a href="#Node"><code>Node</code></a> interface must behave as following:</p>
207    
208    <dl>
209    <dt><code id=attributes>attributes</code></dt>
210      <dd>
211        <p>On getting, the attribute <em class=rfc2119>MUST</em> return
212        <code>null</code>.</p>
213      </dd>
214    <dt><code id=baseURI>baseURI</code></dt>
215      <dd>
216        <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
217        value of the <a href="#baseURI"><code>baseURI</code></a> attribute
218        of the node in the <code>ownerDocument</code> attribute of the node.
219        Note that the value might be <code>null</code>.</p>
220      </dd>
221    <dt><code id=nodeName>nodeName</code></dt>
222      <dd>
223        <p>If the node is an
224        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
225        On getting, the attribute <em class=rfc2119>MUST</em> return the
226        name of the element type definition represented by the node.</p>
227    
228        <p>If the node is an
229        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:
230        On getting, the attribute <em class=rfc2119>MUST</em> return the
231        name of the attribute definition represented by the node.</p>
232      </dd>
233    <dt><code id=nodeType>nodeType</code></dt>
234      <dd>
235        <p>On getting, the attribute <em class=rfc2119>MUST</em> return
236        <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
237        (if the node is an
238        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>) or
239        <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
240        (if the node is an
241        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>).</p>
242    
243        <!-- NodeType -->
244    <p>Two constants are added to the <code id=NodeType>NodeType</code>
245    definition group of the <a href="#Node"><code>Node</code></a> interface as
246    following:</p>
247    <table>
248    <thead>
249    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
250    </thead>
251    <tbody>
252    <tr>
253    <th scope=row><dfn id=ELEMENT_TYPE_DEFINITION_NODE class=dom-const><code>ELEMENT_TYPE_DEFINITION_NODE</code></dfn>
254    <td><code>81001</code><td>The node is an
255    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>.</tr>
256    <tr>
257    <th scope=row><dfn id=ATTRIBUTE_DEFINITION_NODE class=dom-const><code>ATTRIBUTE_DEFINITION_NODE</code></dfn>
258    <td><code>81002</code><td>The node is an
259    <a href="#ElementTypeDefinition"><code>AttributeDefinition</code></a>.</tr>
260    </tbody>
261    </table>
262      </dd>
263    <dt><code id=nodeValue>nodeValue</code> and
264    <code id=textContent>textContent</code></dt>
265      <dd>
266        <p>If the node is an
267        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>:
268        On getting, the attributes <em class=rfc2119>MUST</em> return the
269        name of the element type.</p>
270    
271        <div class="note memo">
272          <p>Thus, on setting the attributes does nothing
273          <span class=ed>[DOM3]</span>.</p>
274        </div>
275    
276        <p>On setting, the <a href="#textContent"><code>textContent</code></a>
277        attribute <em class=rfc2119>MUST NOT</em> raise a
278        <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>.
279        <span class=ed>@@ I forgot why this requirement is necessary.</span></p>
280    
281        <p>If the node is an
282        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>:</p>
283    
284        <pre class=ed>
285    The getter of the [CODE(DOMa)@en[[[nodeValue]]]] attribute
286    of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object
287    [['''MUST''']] return the normalized default value
288    of the attribute.
289    
290    @@
291    
292    [4] The getter of the [CODE(DOMa)@en[[[textContent]]]]
293    attribute of an [CODE(DOMi)@en[[[AttributeDefinition]]]]
294    object [['''MUST''']] behave as if it were an
295    [CODE(DOMi)@en[[[Attr]]]] object.
296    
297    The setter of the [CODE(DOMa)@en[[[textContent]]]] attribute
298    of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object
299    [['''MUST''']] behave as if the following algorithm
300    is performed:
301    = If the [CODE(DOMi)@en[[[AttributeDefinition]]]]
302    object is read-only, then throw an
303    [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].
304    = Remove any child node the node has.
305    = If the new value is not empty and not [CODE(IDL)@en[[[null]]]],
306    then create a [CODE(DOMi)@en[[[Text]]]] node
307    whose [CODE(DOMa)@en[[[data]]]] is the new value
308    and append it to the [CODE(DOMi)@en[[[AttributeDefinition]]]].
309    </pre>
310      </dd>
311    <dt class=ed>@@ ...</dt>
312    </dl>
313    
314    </div>
315    
316  <div class=section id=section-documentxdoctype>  <div class=section id=section-documentxdoctype>
317  <h3>The <code>DocumentXDoctype</code> Interface</h3>  <h3>The <code>DocumentXDoctype</code> Interface</h3>
318    
319    <p>The <a href="#DocumentXDoctype"><code>DocumentXDoctype</code></a> interface
320    <em class=rfc2119>MUST</em> be implemented as following:</p>
321  <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {  <pre class=idl><code>interface <dfn id=DocumentXDoctype><code>DocumentXDoctype</code></dfn> {
322    DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>    DocumentType <a href="#createDocumentTypeDefinition">createDocumentTypeDefinition</a>
323      (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createDocumentTypeDefinition-name"><var>name</var></a>)
324      raises (DOMException);      raises (DOMException);
325    ElementTypeDefinition <a href="#createElementTypeDefinition">createElementTypeDefinition</a>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#createElementTypeDefinition">createElementTypeDefinition</a>
326      (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createElementTypeDefinition-name"><var>name</var></a>)
327      raises (DOMException);      raises (DOMException);
328    AttributeDefinition <a href="#createAttributeDefinition">createAttributeDefinition</a>    <a href="#AttributeDefinition">AttributeDefinition</a> <a href="#createAttributeDefinition">createAttributeDefinition</a>
329      (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)      (in DOMString <a href="#createAttributeDefinition-name"><var>name</var></a>)
330      raises (DOMException);      raises (DOMException);
331    Entity <a href="#createGeneralEntity">createGeneralEntityDefinition</a>    <a href="#Entity">Entity</a> <a href="#createGeneralEntity">createGeneralEntityDefinition</a>
332      (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)      (in DOMString <a href="#createGeneralEntity-name"><var>name</var></a>)
333      raises (DOMException);      raises (DOMException);
334    Notation <a href="#createNotation">createNotation</a>    <a href="#Notation">Notation</a> <a href="#createNotation">createNotation</a>
335      (in DOMString <a href="#createNotation-name"><var>name</var></a>)      (in DOMString <a href="#createNotation-name"><var>name</var></a>)
336      raises (DOMException);      raises (DOMException);
337  }</code></pre>  }</code></pre>
# Line 399  since <abbr>DOM3</abbr> specification <s Line 542  since <abbr>DOM3</abbr> specification <s
542  define it for <code>Document</code> methods.</p>  define it for <code>Document</code> methods.</p>
543    
544  <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>
545    </div>
546    
 <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>  
547  </div>  </div>
548    
549    
550    <div class=section id=section-documenttype>
551    <h3>Modifications to the <code id=DocumentType>DocumentType</code>
552    Interface</h3>
553    
554    <p>A <a href="#DocumentType"><code>DocumentType</code></a> interface
555    <em class=rfc2119>MAY</em> contain zero or more
556    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
557    nodes in the <code>NodeList</code> object contained in the
558    <code>childNodes</code> attribute of the
559    <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
560    
561    <p>If the <a href="#DocumentType"><code>DocumentType</code></a> node is created
562    during the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr>
563    document, the <code>NodeList</code> object in the <code>childNodes</code>
564    object <em class=rfc2119>MUST</em> contains the
565    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
566    nodes representing the processing instructions in the document type
567    definition of the document processed <span class=ed>@@ ref</span> by
568    the <abbr>XML</abbr> processor.  If the
569    <a href="#DocumentType"><code>DocumentType</code></a> node is marked
570    as read$B!>(Bonly, then all the child nodes <em class=rfc2119>MUST</em>
571    also be marked as read$B!>(Bonly.</p>
572    
573    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is created
574    from a document type declaration information item <span class=ed>@@ ref</span>,
575    the <code>NodeList</code> object in the <code>childNodes</code> attribute
576    of the node <em class=rfc2119>MUST</em> contain the
577    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
578    created from the processing instruction information items in the list in the
579    [children] property of the document type declaration item in the same
580    order.</p>
581    
582    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is mapped to
583    a document type declaration information item, the list in the [children]
584    property <em class=rfc2119>MUST</em> contain the processng instruction
585    information items created from the
586    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
587    in the <code>NodeList</code> object in the <code>childNodes</code> attribute
588    of the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
589    
590    <p>The implementation of the
591    <a href="#DocumentType"><code>DocumentType</code></a> interface
592    <em class=rfc2119>MUST</em> be modified as following:</p>
593    <pre class=idl><code>// Modifications to the DocumentType interface
594      attribute DOMString <a href="#publicId">publicId</a>;
595      attribute DOMString <a href="#systemId">systemId</a>;
596    
597      attribute DOMString <a href="#internalSubset">internalSubset</a>;
598    </code></pre>
599    
600    <p>The <code id=publicId>publicId</code> attribute and the
601    <code id=systemId>systemId</code> attribute of
602    <a href="#DocumentType"><code>DocumentType</code></a>,
603    <a href="#Entity"><code>Entity</code></a>, and
604    <a href="#Notation"><code>Notation</code></a> interfaces are no longer
605    read$B!>(Bonly.</p>
606    
607    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
608    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
609    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
610    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
611    associated to the attribute.  No normalization, relative reference resolution,
612    or lexical validation is performed. <span class=ed>@@ If the new
613    value is <code>null</code>, ...</span></p>
614    
615    <div class="note memo">
616    <p>Setting an invalid identifier might make the node unserializable.
617    Setting a public identifier while leaveing system identifier unspecified
618    would also make the <a href="#DocumentType"><code>DocumentType</code></a>
619    or <a href="#Entity"><code>Entity</code></a> node unserializable.</p>
620    </div>
621    
622    <div class=ed>
623    <p>ISSUE: In HTML5, Firefox 1.5, and Opera 9, not specifying public or system identifier results in empty strings.</p>
624    </div>
625    
626    <p>The <code id=internalSubset>internalSubset</code> attribute of the
627    <a href="#DocumentType"><code>DocumentType</code></a> interface is no longer
628    read$B!>(Bonly.</p>
629    
630    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
631    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
632    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
633    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
634    associated to the attribute.  No normalization, or lexical validation is
635    performed. <span class=ed>@@ If the new value is <code>null</code>,
636    ...</span></p>
637    
638  </div>  </div>
639    
640  <div class=section id=section-documenttypedefinition>  <div class=section id=section-documenttypedefinition>
641  <h3>The <code>DocumentTypeDefinition</code> Interface</h3>  <h3>The <code>DocumentTypeDefinition</code> Interface</h3>
642    
643    <div class="note memo">
644    <p>This interface is a separated interface from the
645    <a href="#DocumentType"><code>DocumentType</code></a>, not a set of extensions
646    to the <a href="#DocumentType"><code>DocumentType</code></a>,
647    for the historical reason.</p>
648    </div>
649    
650    <p>The
651    <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
652    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
653  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {
654    readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;    readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;
655    readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;    readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;
656    readonly attribute NamedNodeMap <a href="#notations">notations</a>;    readonly attribute NamedNodeMap <a href="#notations">notations</a>;
657    
658    <span class=ed>more members come here...</span>    <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#getElementTypeDefinitionNode">getElementTypeDefinitionNode</a>
659        (in DOMString <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>);
660      <a href="#Entity">Entity</a> <a href="#getGeneralEntityNode">getGeneralEntityNode</a>
661        (in DOMString <a href="#getGeneralEntityNode-name"><var>name</var></a>);
662      <a href="#Notation">Notation</a> <a href="#getNotationNode">getNotationNode</a>
663        (in DOMString <a href="#getNotationNode-name"><var>name</var></a>);
664    
665      void <a href="#setElementTypeDefinitionNode">setElementTypeDefinitionNode</a>
666        (in DOMString <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>)
667        raises (DOMException);
668      void <a href="#setGeneralEntityNode">setGeneralEntityNode</a>
669        (in DOMString <a href="#setGeneralEntityNode-node"><var>node</var></a>)
670        raises (DOMException);
671      void <a href="#setNotationNode">setNotationNode</a>
672        (in DOMString <a href="#setNotationNode-node"><var>node</var></a>)
673        raises (DOMException);
674  }</code></pre>  }</code></pre>
675    
676  <pre class=ed>  <pre class=ed>
# Line 542  reflected by that of the object. Line 797  reflected by that of the object.
797  <div class=section id=section-elementtypedefinition>  <div class=section id=section-elementtypedefinition>
798  <h3>The <code>ElementTypeDefinition</code> Interface</h3>  <h3>The <code>ElementTypeDefinition</code> Interface</h3>
799    
800  <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> {  <p>The nodes of type
801      <a href="#ELEMENT_TYPE_DEFINITION_NODE"><code>ELEMENT_TYPE_DEFINITION_NODE</code></a>
802  }</code></pre>  represents an element type definition.  Such a node implements the
803    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
804  <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members  interface, which extends the <a href="#Node"><code>Node</code></a>
805    interface.</p>
806    
807  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute  <p>An element type definition represents a definition of the element type.
808  of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  It is corresponding to the element type declaration in <abbr>DTD</abbr>.
809  [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  However, an
810    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node
811  [4] The getter of the [CODE(DOMa)@en[[[baseURI]]]] attribute  does not represent the element type definition in <abbr>DTD</abbr> itself.  
812  of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  Even if there are more than one element type declarations for an element type
813  [['''MUST''']] return the [CODE(DOMa)@en[[[baseURI]]]]  in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
814  of the [CDOE(DOMa)@en[[[ownerDocument]]]] of the  <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
815  [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object.  node for that element type.  In addition, if there are attribute definition
816  Note that it might be [CODE(IDL)@en[[[null]]]].  declarations for an element type, even when there is no element type
817    declaration for that element type, the <abbr>DOM</abbr> will contain an
818  [1] The getter of the [CODE(DOMa)@en[[[nodeName]]]] attribute  <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
819  of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]] object  node for that element type.</p>
820  [['''MUST''']] return the name of the element type.  
821    <p>The <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
822  [2] The getters of the [CODE(DOMa)@en[[[nodeValue]]]]  interface <em class=rfc2119>MUST</em> be implemented as following:</p>
823  and [CODE(DOMa)@en[[[textContent]]]] attributes  <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> : <a href="#Node">Node</a> {
824  of an [CODE(DOMi)@en[[[ElementTypeDefinition]]]]    readonly attribute <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
 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]]]].  
825    
826  ** The [CODE(DOMi)@en[ElementTypeDefinition]] Interface    <span class=ed>@@ more</span>
827    }</code></pre>
828    
829  [5] The  <pre class=ed>
830  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]
831  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]
832  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 835  interface is defined in [[manakai//DOM E
835  <div class=section id=section-attributedefinition>  <div class=section id=section-attributedefinition>
836  <h3>The <code>AttributeDefinition</code> Interface</h3>  <h3>The <code>AttributeDefinition</code> Interface</h3>
837    
838  <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> {  <p>The nodes of type
839    <a href="#ATTRIBUTE_DEFINITION_NODE"><code>ATTRIBUTE_DEFINITION_NODE</code></a>
840    represents an attribute definition.  Such a node implements the
841    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> interface,
842    which extends the <a href="#Node"><code>Node</code></a> interface.</p>
843    
844    <p>An attribute definition represents a definition of the attribute
845    associated to an element type.  It is corresponding to the attribute definition
846    in the attribute list declaration in <abbr>DTD</abbr>.  However, an
847    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node does
848    not represent the attribute definition in <abbr>DTD</abbr> itself.  Even if
849    there are more than one attribute definitions for an attribute of an element
850    type in <abbr>DTD</abbr>, the result <abbr>DOM</abbr> will contain only an
851    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node for
852    that attribute.</p>
853    
854    <p>The <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
855    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
856    <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> : <a href="#Node">Node</a> {
857      <span class=comment>// <a href="#DeclaredValueType">DeclaredValueType</a></span>
858      const unsigned short <a href="#NO_TYPE_ATTR">NO_TYPE_ATTR</a> = 0;
859      const unsigned short <a href="#CDATA_ATTR">CDATA_ATTR</a> = 1;
860      const unsigned short <a href="#ID_ATTR">ID_ATTR</a> = 2;
861      const unsigned short <a href="#IDREF_ATTR">IDREF_ATTR</a> = 3;
862      const unsigned short <a href="#IDREFS_ATTR">IDREFS_ATTR</a> = 4;
863      const unsigned short <a href="#ENTITY_ATTR">ENTITY_ATTR</a> = 5;
864      const unsigned short <a href="#ENTITIES_ATTR">ENTITIES_ATTR</a> = 6;
865      const unsigned short <a href="#NMTOKEN_ATTR">NMTOKEN_ATTR</a> = 7;
866      const unsigned short <a href="#NMTOKENS_ATTR">NMTOKENS_ATTR</a> = 8;
867      const unsigned short <a href="#NOTATION_ATTR">NOTATION_ATTR</a> = 9;
868      const unsigned short <a href="#ENUMERATION_ATTR">ENUMERATION_ATTR</a> = 10;
869      const unsigned short <a href="#UNKNOWN_ATTR">UNKNOWN_ATTR</a> = 11;
870    
871      <span class=comment>// <a href="#DefaultValueType">DefaultValueType</a></span>
872      const unsigned short <a href="#UNKNOWN_DEFAULT">UNKNOWN_DEFAULT</a> = 0;
873      const unsigned short <a href="#FIXED_DEFAULT">FIXED_DEFAULT</a> = 1;
874      const unsigned short <a href="#REQUIRED_DEFAULT">REQUIRED_DEFAULT</a> = 2;
875      const unsigned short <a href="#IMPLIED_DEFAULT">IMPLIED_DEFAULT</a> = 3;
876      const unsigned short <a href="#EXPLICIT_DEFAULT">EXPLICIT_DEFAULT</a> = 4;
877        
878  }</code></pre>    readonly attribute <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#ownerElementTypeDefinition">ownerElementTypeDefinition</a>;
879    
880  <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members    readonly attribute unsigned short <a href="#declaredType">declaredType</a>;
881      readonly attribute unsigned short <a href="#defaultType">defaultType</a>;
882    
883  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute    <span class=ed>...</span>
884  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  }</code></pre>
 [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  
885    
886  [9] The getter of the [CODE(DOMa)@en[[[baseURI]]]] attribute  <dl>
887  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  <dt><dfn id=ownerElementTypeDefinition class=dom-attr><code>ownerElementTypeDefinition</code></dfn>
888  [['''MUST''']] return the [CODE(DOMa)@en[[[baseURI]]]]  of type
889  of the [CDOE(DOMa)@en[[[ownerDocument]]]] of the  <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
890  [CODE(DOMi)@en[[[AttributeDefinition]]]] object.  read$B!>(Bonly</dt>
891  Note that it might be [CODE(IDL)@en[[[null]]]].    <dd><p>The
892      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> to
893      which the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
894      node belongs.</p>
895    
896      <p>On getting, the attribute <em class=rfc2119>MUST</em> return an
897      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
898      It <em class=rfc2119>MUST</em> be such a node that whose
899      <a href="#attributeDefinitons"><code>attributeDefinitions</code></a>
900      attribute contains the <code>NamedNodeMap</code> object that contains
901      the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
902      node.  If there is no such an
903      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
904      then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p>
905    <dt><dfn id=declaredType class=dom-attr><code>declaredType</code></dfn> of type
906    <code>unsigned short</code></dt>
907      <dd><p>The declared type <span class=ed>@@ ref</span> of the attribute.
908      It is expected that this attribute contains a value from the definition group
909      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>.</p>
910    
911  [1] The getter of the [CODE(DOMa)@en[[[nodeName]]]] attribute    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
912  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object    value associated to this attribute.</p>
 [['''MUST''']] return the name of the attribute.  
913    
914  [2] The getter of the [CODE(DOMa)@en[[[nodeValue]]]] attribute    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
915  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
916  [['''MUST''']] return the normalized default value    exception if the
917  of the attribute.    <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
918      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
919      <em class=rfc2119>MUST</em> set the specified value as the value
920      associated to this attribute.</p>
921    
922      <p>If the <code>AttributeDefinition</code> node is created during the process
923      to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, an
924      appropriate value from the
925      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a> constant
926      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
927    
928      <!-- DeclaredValueType -->
929    <p>The definition group
930    <dfn id=DeclaredValueType><code>DeclaredValueType</code></dfn> contains
931    integers indicating the declared type of attributes.  The definition
932    group contains the following constants:</p>
933    
934    <table>
935    <thead>
936    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
937    </thead>
938    <tbody>
939    <tr>
940    <th scope=row><dfn id=NO_TYPE_ATTR class=dom-const><code>NO_TYPE_ATTR</code>
941    <td><code>0</code><td>No value <span class=ed>[INFOSET]</span>.</tr>
942    <tr>
943    <th scope=row><dfn id=CDATA_ATTR class=dom-const><code>CDATA_ATTR</code>
944    <td><code>1</code><td><code>CDATA</code> <span class=ed>[XML]</span>.</tr>
945    <tr>
946    <th scope=row><dfn id=ID_ATTR class=dom-const><code>ID_ATTR</code>
947    <td><code>2</code><td><code>ID</code> <span class=ed>[XML]</span>.</tr>
948    <tr>
949    <th scope=row><dfn id=IDREF_ATTR class=dom-const><code>IDREF_ATTR</code>
950    <td><code>3</code><td><code>IDREF</code> <span class=ed>[XML]</span>.</tr>
951    <tr>
952    <th scope=row><dfn id=IDREFS_ATTR class=dom-const><code>IDREFS_ATTR</code>
953    <td><code>4</code><td><code>IDREFS</code> <span class=ed>[XML]</span>.</tr>
954    <tr>
955    <th scope=row><dfn id=ENTITY_ATTR class=dom-const><code>ENTITY_ATTR</code>
956    <td><code>5</code><td><code>ENTITY</code> <span class=ed>[XML]</span>.</tr>
957    <tr>
958    <th scope=row><dfn id=ENTITIES_ATTR class=dom-const><code>ENTITIES_ATTR</code>
959    <td><code>6</code><td><code>ENTITIES</code> <span class=ed>[XML]</span>.</tr>
960    <tr>
961    <th scope=row><dfn id=NMTOKEN_ATTR class=dom-const><code>NMTOKEN_ATTR</code>
962    <td><code>7</code><td><code>NMTOKEN</code> <span class=ed>[XML]</span>.</tr>
963    <tr>
964    <th scope=row><dfn id=NMTOKENS_ATTR class=dom-const><code>NMTOKENS_ATTR</code>
965    <td><code>8</code><td><code>NMTOKENS</code> <span class=ed>[XML]</span>.</tr>
966    <tr>
967    <th scope=row><dfn id=NOTATION_ATTR class=dom-const><code>NOTATION_ATTR</code>
968    <td><code>9</code><td><code>NOTATION</code> <span class=ed>[XML]</span>.</tr>
969    <tr>
970    <th scope=row><dfn id=ENUMERATION_ATTR class=dom-const><code>ENUMERATION_ATTR</code>
971    <td><code>10</code><td>Enumeration <span class=ed>[XML]</span>.</tr>
972    <tr>
973    <th scope=row><dfn id=UNKNOWN_ATTR class=dom-const><code>UNKNOWN_ATTR</code>
974    <td><code>11</code><td>Unknown, because no declaration for the attribute
975    has been read but the [all declaration processed] property
976    <span class=ed>[INFOSET]</span> would be false.</tr>
977    </tbody>
978    </table>
979    
980    <p>If no attribute type information is available, or if the source
981    of the information does not distinguish <q>no value</q> and <q>unknown</q>
982    <span class=ed>[INFOSET]</span>, then the value
983    <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>
984    <em class=rfc2119>MUST</em> be used.</p>
985    
986  @@  <div class="note memo">
987    <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
988    created by the
989    <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
990    method has its <a href="#declaredType"><code>declaredType</code></a> attribute
991    set to <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</p>
992    </div>
993    
994  [4] The getter of the [CODE(DOMa)@en[[[textContent]]]]  <p>If the source of the information does not distinguish <q>no value</q>
995  attribute of an [CODE(DOMi)@en[[[AttributeDefinition]]]]  and/or <q>unknown</q> <span class=ed>[INFOSET]</span> and
996  object [['''MUST''']] behave as if it were an  <code>CDATA</code> <span class=ed>[XML]</span>, then the value
997  [CODE(DOMi)@en[[[Attr]]]] object.  <a href="#CDATA_ATTR"><code>CDATA_ATTR</code></a> <em class=rfc2119>MUST</em>
998    be used.</p>
999    
1000    <p>In Perl binding <span class=ed>[PERLBINDING]</span>, the
1001    <code>Attr</code> nodes <em class=rfc2119>MUST</em> implement the
1002    <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>
1003    definition group.</p>
1004    
1005  The setter of the [CODE(DOMa)@en[[[textContent]]]] attribute    </dd>
1006  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  <dt><dfn id=defaultType class=dom-attr><code>defaultType</code></dfn> of
1007  [['''MUST''']] behave as if the following algorithm  type <code>unsigned short</code></dt>
1008  is performed:    <dd><p>The type of the default for the attribute.  It is expected that this
1009  = If the [CODE(DOMi)@en[[[AttributeDefinition]]]]    attribute contains a value from the definition group
1010  object is read-only, then throw an    <a href="#DefaultValueType"><code>DefaultValueType</code></a>.</p>
1011  [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].  
1012  = Remove any child node the node has.    <p>On getting, the attribute <em class=rfc2119>MUST</em> return
1013  = If the new value is not empty and not [CODE(IDL)@en[[[null]]]],    the value associated to this attribute.</p>
1014  then create a [CODE(DOMi)@en[[[Text]]]] node  
1015  whose [CODE(DOMa)@en[[[data]]]] is the new value    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1016  and append it to the [CODE(DOMi)@en[[[AttributeDefinition]]]].    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
1017      exception if the
1018      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
1019      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
1020      <em class=rfc2119>MUST</em> set the specified value as the value
1021      associated to this attribute.</p>
1022    
1023      <p>If the
1024      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node is
1025      created during the process to create a <abbr>DOM</abbr> from an
1026      <abbr>XML</abbr> document, an appropriate value from the
1027      <a href="#DefaultValueType"><code>DefaultValueType</code></a> definition
1028      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
1029    
1030      <!-- DefaultValueType -->
1031      <p>The definition group
1032      <dfn id=DefaultValueType><code>DefaultValueType</code></dfn>
1033      contains integers indicating the type of the default for the attribute.
1034      The definition group contains the following constans:</p>
1035    
1036      <table>
1037      <thead>
1038      <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
1039      </thead>
1040      <tbody>
1041      <tr>
1042      <th scope=row><dfn id=UNKNOWN_DEFAULT class=dom-const><code>UNKNOWN_DEFAULT</code></dfn>
1043      <td><code>0</code><td>Unknown.</tr>
1044      <tr>
1045      <th scope=row><dfn id=FIXED_DEFAULT class=dom-const><code>FIXED_DEFAULT</code></dfn>
1046      <td><code>1</code><td>Provided explicitly and fixed
1047      <span class=ed>@@ ref</span> to that value.</tr>
1048      <tr>
1049      <th scope=row><dfn id=REQUIRED_DEFAULT class=dom-const><code>REQUIRED_DEFAULT</code></dfn>
1050      <td><code>2</code><td>No default value and the attribute have to be
1051      explicitly specified.</tr>
1052      <tr>
1053      <th scope=row><dfn id=IMPLIED_DEFAULT class=dom-const><code>IMPLIED_DEFAULT</code></dfn>
1054      <td><code>3</code><td>Implied <span class=ed>@@ ref</span>.</tr>
1055      <tr>
1056      <th scope=row><dfn id=EXPLICIT_DEFAULT class=dom-const><code>EXPLICIT_DEFAULT</code></dfn>
1057      <td><code>4</code><td>Provided explicitly.</tr>
1058      </tbody>
1059      </table>
1060    
1061      <p>If the source of the default type does not distinguish
1062      implied and unknown default types, then the value
1063      <a href="#IMPLIED_DEFAULT"><code>IMPLIED_DEFAULT</code></a>
1064      <em class=rfc2119>MUST</em> be used.</p>
1065    
1066  ** Definition groups    <div class="note memo">
1067      <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
1068      node created by the
1069      <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
1070      method has its <a href="#defaultType"><code>defaultType</code></a>
1071      attribute set to
1072      <a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</p>
1073      </div></dd>
1074    </dl>
1075    
 [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>  
1076  </div>  </div>
1077    
1078  </div>  </div>
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