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revision 1.5 by wakaba, Sun Dec 2 05:32:03 2007 UTC revision 1.15 by wakaba, Tue Dec 4 10:43:12 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  <h2>The <code>DocumentXDoctype</code> Interface</h2>  <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 239  method</dt> Line 376  method</dt>
376      <p>The <dfn id=createElementTypeDefinition-name class=dom-param><var>name</var></dfn>      <p>The <dfn id=createElementTypeDefinition-name class=dom-param><var>name</var></dfn>
377      parameter is the name of the element type defined by the element      parameter is the name of the element type defined by the element
378      type definition.</p>      type definition.</p>
379    
380        <p>When invoked, the method <em class=rfc2119>MUST</em> create and
381        return an
382        <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
383        node with the following attributes:</p>
384        <dl>
385        <dt><a href="#attributeDefinitions"><code>attributeDefinitions</code></a></dt>
386          <dd>An empty <code>NamedNodeMap</code> object.</dd>
387        <dt><code>attributes</code>, <code>parentNode</code></dt>
388          <dd><code>null</code>.</dd>
389        <dt><code>childNodes</code></dt>
390          <dd>An empty <code>NodeList</code> object.</dd>
391        <dt><code>manakaiReadOnly</code> <span class=ed>[manakai]</span></dt>
392          <dd><code>false</code>.</dd>
393        <dt><code>nodeName</code></dt>
394          <dd><a href="#createElementTypeDefinition-name"><var>name</var></a>.</dd>
395        <dt><code>ownerDocument</code></dt>
396          <dd>The <code>Document</code> node over which the method is invoked.</dd>
397        <dt><a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a></dt>
398          <dd><code>null</code>.</dd>
399        <dt class=ed>@@ Ensure all attributes are defined</dt>
400        </dl>
401    </dd>    </dd>
402  <dt><dfn id=createAttributeDefinition class=dom-method><code>createAttributeDefinition</code></dfn>,  <dt><dfn id=createAttributeDefinition class=dom-method><code>createAttributeDefinition</code></dfn>,
403  method</dt>  method</dt>
# Line 248  method</dt> Line 407  method</dt>
407      <p>The <dfn id=createAttributeDefinition-name class=dom-param><var>name</var></dfn>      <p>The <dfn id=createAttributeDefinition-name class=dom-param><var>name</var></dfn>
408      parameter is the name of the attribute defined by the attribute      parameter is the name of the attribute defined by the attribute
409      definition.</p>      definition.</p>
410    
411        <p>When invoked, the method <em class=rfc2119>MUST</em> create and
412        return an
413        <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
414        node with the following attributes:</p>
415        <dl>
416        <dt><code>allowedTokens</code></dt>
417          <dd>An empty <code>DOMStringList</code> object.</dd>
418        <dt><code>attributes</code>,
419        <a href="#ownerElementTypeDefinition"><code>ownerElementTypeDefinition</code></a>,
420        and <code>parentNode</code></dt>
421          <dd><code>null</code>.</dd>
422        <dt><code>childNodes</code></dt>
423          <dd>An empty <code>NodeList</code> object.</dd>
424        <dt><code>declaredType</code></dt>
425          <dd><a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</dd>
426        <dt><code>defaultType</code></dt>
427          <dd><a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</dd>
428        <dt><code>manakaiReadOnly</code> <span class=ed>[manakai]</span></dt>
429          <dd><code>false</code>.</dd>
430        <dt><code>nodeName</code></dt>
431          <dd><a href="#createAttributeDefinition-name"><var>name</var></a>.</dd>
432        <dt><code>ownerDocument</code></dt>
433          <dd>The <code>Document</code> node over which the method is invoked.</dd>
434        <dt class=ed>@@ Ensure all attributes are defined</dt>
435        </dl>
436    
437        <div class=ed>
438        <p>@@ Should we keep these statements?:
439    However, if the &lt;cfg::cfg|xml-id> configuration
440    parameter is set to <code>true</code> and the <var>name</var>
441    is <code>xml:id</code>, then the [CODE(DOMa)@en[[[declaredType]]]]
442    attribute is set to <code>ID_ATTR</code>.
443    [CODE(DOMa)@en[[[defaultType]]]]?</p>
444        </div>
445    </dd>    </dd>
446  <dt><dfn id=createGeneralEntity class=dom-method><code>createGeneralEntity</code></dfn>,  <dt><dfn id=createGeneralEntity class=dom-method><code>createGeneralEntity</code></dfn>,
447  method</dt>  method</dt>
448    <dd>    <dd>
449      <p>This method creates a <code>Entity</code> node with the      <p>This method creates a <a href="#Entity"><code>Entity</code></a> node
450      specified name, which represents a general entity, belonging to the      with the specified name, which represents a general entity, belonging to
451      document.</p>      the document.</p>
452      <p>The <dfn id=createGeneralEntity-name class=dom-param><var>name</var></dfn>      <p>The <dfn id=createGeneralEntity-name class=dom-param><var>name</var></dfn>
453      parameter is the name of the general entity.</p>      parameter is the name of the general entity.</p>
454    
455        <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
456        an <a href="#Entity"><code>Entity</code></a> node with the following
457        attributes:</p>
458        <dl>
459        <dt><code>attributes</code>, <code>notationName</code>,
460        <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>,
461        and <code>parentNode</code></dt>
462          <dd><code>null</code>.</dd>
463        <dt><code>childNodes</code></dt>
464          <dd>An empty <code>NodeList</code> object.</dd>
465        <dt><code>manakaiDeclarationBaseURI</code>,
466        <code>manakaiEntityBaseURI</code>, and
467        <code>manakaiEntityURI</code> <span class=ed>@@ ref</span></dt>
468          <dd>No explicit value is set.</dd>
469        <dt><code>manakaiHasReplacementTree</code> and
470        <code>manakaiReadOnly</code> <span class=ed>[manakai]</span></dt>
471          <dd><code>false</code>.</dd>
472        <dt><code>nodeName</code></dt>
473          <dd><a href="#createGeneralEntity-name"><var>name</var></a>.</dd>
474          <dd>
475            <div class="note memo">
476              <p>It is not an error for
477              <a href="#createGeneralEntity-name"><var>name</var></a> matching
478              to the name of one of predefined general parsed entities in
479              <abbr>XML</abbr> or <abbr>HTML</abbr>.  For example,
480              <a href="#createGeneralEntity-name"><var>name</var></a> might be
481              <code>amp</code>, resulting in an
482              <a href="#Entity"><code>Entity</code></a> node
483              with its <code>nodeName</code> attribute set to <code>amp</code>.</p>
484            </div>
485          </dd>
486        <dt><code>ownerDocument</code></dt>
487          <dd>The <code>Document</code> node over which the method is invoked.</dd>
488        <dt><code>publicId</code>, and <code>systemId</code></dt>
489          <dd><code>null</code>.</dd>
490          <dd class=ed>@@ publicId and systemId should be empty string?</dd>
491        <dt class=ed>@@ Ensure all attributes are defined</dd>
492        </dl>
493    </dd>    </dd>
494  <dt><dfn id=createNotation class=dom-method><code>createNotation</code></dfn>,  <dt><dfn id=createNotation class=dom-method><code>createNotation</code></dfn>,
495  method</dt>  method</dt>
# Line 265  method</dt> Line 498  method</dt>
498      specified name, belonging to the document.</p>      specified name, belonging to the document.</p>
499      <p>The <dfn id=createNotation-name class=dom-param><var>name</var></dfn>      <p>The <dfn id=createNotation-name class=dom-param><var>name</var></dfn>
500      parameter is the name of the notation.</p>      parameter is the name of the notation.</p>
501    
502        <p>When invoked, the method <em class=rfc2119>MUST</em> create and return
503        a <code>Notation</code> node with the following attributes:</p>
504        <dl>
505        <dt><code>attributes</code>,
506        <a href="#ownerDocumentTypeDefinition"><code>ownerDocumentTypeDefinition</code></a>,
507        and <code>parentNode</code></dt>
508          <dd><code>null</code>.</dd>
509        <dt><code>childNodes</code></dt>
510          <dd>An empty <code>NodeList</code> object.</dd>
511        <dt><code>manakaiDeclarationBaseURI</code></dt>
512          <dd>No explicit value is set.</dd>
513        <dt><code>manakaiReadOnly</code> <span class=ed>[manakai]</span></dt>
514          <dd><code>false</code>.</dd>
515        <dt><code>nodeName</code></dt>
516          <dd><a href="#createNotation-name"><var>name</var></a>.</dd>
517        <dt><code>ownerDocument</code></dt>
518          <dd>The <code>Document</code> node over which the method is invoked.</dd>
519        <dt><code>publicId</code> and <code>systemId</code></dt>
520          <dd><code>null</code>.</dd>
521          <dd class=ed>@@ publicId and systemId should be empty string?</dd>
522        <dt class=ed>@@ Ensure all attributes are defined</dt>
523        </dl>
524    </dd>    </dd>
525  </dl>  </dl>
526    
527  <pre class=ed>  <p>These methods <em class=rfc2119>MUST</em> raise an
528    <code>INVALID_CHARACTER_ERR</code> exception <span class=ed>@@ ref</span>
529    if <var>name</var> is <em>not</em> a legal <code>Name</code> according to
530    the <abbr>XML</abbr> version in use, as specified in the
531    <code>xmlVersion</code> attribute of the <code>Document</code> node.</p>
532    
533    <div class="note memo">
534    <p>Non$B!>(B<abbr>XML</abbr> case is intentionally left unspecified for now,
535    since <abbr>DOM3</abbr> specification <span class=ed>@@ ref</span> does not
536    define it for <code>Document</code> methods.</p>
537    
538  [8]  <p><var>name</var> does not have to be a namespace qualified name.</p>
539  The [CODE(DOMm)@en[[[createElementTypeDefinition]]]]  </div>
 method [['''MUST''']] create an  
 [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  
 object with the following attribute values:  
 - [CODE(DOMa)@en[[[attributeDefinitions]]]]:  
 An empty [CODE(DOMi)@en[[[NamedNodeMap]]]].  
 - [CODE(DOMa)@en[[[attributes]]]],  
 [CODE(DOMa)@en[[[parentNode]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[childNodes]]]]: An empty  
 [CODE(DOMi)@en[[[NodeList]]]].  
 - [CODE(DOMa)@en[[[manakaiReadOnly]]]]:  
 [CODE(IDL)@en[[[false]]]].  
 - [CODE(DOMa)@en[[[nodeName]]]]: [CODE(DOMp)@en[[[name]]]].  
 - [CODE(DOMa)@en[[[ownerDocument]]]]: The  
 [CODE(DOMi)@en[[[Document]]]] node on which the method  
 is invoked.  
 - [CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]]:  
 [CODE(IDL)@en[[[null]]]].  
   
 @@ Ensure all attributes are defined  
   
 [9] The [CODE(DOMm)@en[[[createAttributeDefinition]]]]  
 method [['''MUST''']] create an  
 [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object with the following attribute values:  
 - [CODE(DOMa)@en[[[allowedTokens]]]]:  
 An empty [CODE(DOMi)@en[[[DOMStringList]]]].  
 - [CODE(DOMa)@en[[[attributes]]]],  
 [CODE(DOMa)@en[[[parentNode]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[childNodes]]]]: An empty  
 [CODE(DOMi)@en[[[NodeList]]]].  
 - [CODE(DOMa)@en[[[declaredType]]]]:  
 [CODE(DOMc)@en[[[NO_TYPE_ATTR]]]].  
 - [CODE(DOMa)@en[[[defaultType]]]]:  
 [CODE(DOMc)@en[[[UNKNOWN_DEFAULT]]]].  
 - [CODE(DOMa)@en[[[manakaiReadOnly]]]]:  
 [CODE(IDL)@en[[[false]]]].  
 - [CODE(DOMa)@en[[[nodeName]]]]: [CODE(DOMp)@en[[[name]]]].  
 - [CODE(DOMa)@en[[[ownerDocument]]]]: The  
 [CODE(DOMi)@en[[[Document]]]] node on which the method  
 is invoked.  
 - [CODE(DOMa)@en[[[ownerElementTypeDefinition]]]]:  
 [CODE(IDL)@en[[[null]]]].  
   
 @@ Ensure all attributes are defined  
   
 @@ Should we keep these statements?:  
 However, if the <cfg::cfg|xml-id> configuration  
 parameter is set to <DOM::true> and the <P::name>  
 is <XA::xml:id>, then the [CODE(DOMa)@en[[[declaredType]]]]  
 attribute is set to  
 <C::AttributeDefinition.ID_ATTR>.  
 [CODE(DOMa)@en[[[defaultType]]]]?  
   
 [11] The [CODE(DOMm)@en[[[createGeneralEntity]]]]  
 method [['''MUST''']] create an [CODE(DOMi)@en[[[Entity]]]]  
 node with the following attribute values:  
 - [CODE(DOMa)@en[[[attributes]]]],  
 [CODE(DOMa)@en[[[parentNode]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[childNodes]]]]: An empty  
 [CODE(DOMi)@en[[[NodeList]]]].  
 - [CODE(DOMa)@en[[[manakaiDeclarationBaseURI]]]]:  
 No explicit value is set.  
 - [CODE(DOMa)@en[[[manakaiEntityBaseURI]]]]:  
 No explicit value is set.  
 - [CODE(DOMa)@en[[[manakaiEntityURI]]]]:  
 No explicit value is set.  
 - [CODE(DOMa)@en[[[manakaiHasReplacementTree]]]]:  
 [CODE(IDL)@en[[[false]]]].  
 - [CODE(DOMa)@en[[[manakaiReadOnly]]]]:  
 [CODE(IDL)@en[[[false]]]].  
 - [CODE(DOMa)@en[[[nodeName]]]]: [CODE(DOMp)@en[[[name]]]].  
 - [CODE(DOMa)@en[[[notationName]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[ownerDocument]]]]: The  
 [CODE(DOMi)@en[[[Document]]]] node on which the method  
 is invoked.  
 - [CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]]:  
 [CODE(IDL)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[publicId]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[systemId]]]]: [CODE(DOM)@en[[[null]]]].  
   
 @@ Ensure all attributes are defined  
   
 @@ publicId and systemId should be empty string?  
   
 [13] The [CODE(DOMm)@en[[[createNotation]]]]  
 method [['''MUST''']] create a [CODE(DOMi)@en[[[Notation]]]]  
 node with the following attribute values:  
 - [CODE(DOMa)@en[[[attributes]]]],  
 [CODE(DOMa)@en[[[parentNode]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[childNodes]]]]: An empty  
 [CODE(DOMi)@en[[[NodeList]]]].  
 - [CODE(DOMa)@en[[[manakaiDeclarationBaseURI]]]]:  
 No explicit value is set.  
 - [CODE(DOMa)@en[[[manakaiReadOnly]]]]:  
 [CODE(IDL)@en[[[false]]]].  
 - [CODE(DOMa)@en[[[nodeName]]]]: [CODE(DOMp)@en[[[name]]]].  
 - [CODE(DOMa)@en[[[ownerDocument]]]]: The  
 [CODE(DOMi)@en[[[Document]]]] node on which the method  
 is invoked.  
 - [CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]]:  
 [CODE(IDL)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[publicId]]]]: [CODE(DOM)@en[[[null]]]].  
 - [CODE(DOMa)@en[[[systemId]]]]: [CODE(DOM)@en[[[null]]]].  
   
 @@ Ensure all attributes are defined  
   
 [7]  
 These method [['''MUST''']] raise an  
 [CODE(DOMi)@en[[[INVALID_CHARACTER_ERR]]]]  
 [CODE(DOMi)@en[[[DOMException]]]]  
 if the [CODE(DOMp)@en[[[name]]]] is not a legal  
 name according to the XML version in use as  
 specified in the [CODE(DOMa)@en[[[xmlVersion]]]]  
 attribute of the [CODE(DOMi)@en[[[Document]]]] node.  
   
 ;; Non-XML case is intentionally left unspecified for now  
 since DOM3 does not define it.  
   
 ;; [CODE(DOMp)@en[[[name]]]] does not have to  
 be a namespace qualified name.  
   
 ;; Note also that it is not an error for the  
 [CODE(DOMp)@en[[[name]]]] parameter value  
 to match to the name of one of predefined general  
 parsed entities in XML or HTML.  
   
 ;; If the [CODE(DOMa)@en[[[strictErrorChecking]]]] attribute  
 is set to [CODE(IDL)@en[[[false]]]], then the implementation  
 is not required to raise this exception.  
   
 Otherwise, these method [['''MUST''']] return  
 the newly created node.  
 </pre>  
540    
541  </div>  </div>
542    
543  <div class=section id=section-documenttypedefinition>  <div class=section id=section-documenttypedefinition>
544  <h2>The <code>DocumentTypeDefinition</code> Interface</h2>  <h3>The <code>DocumentTypeDefinition</code> Interface</h3>
545    
546    <p>The
547    <a href="#DocumentTypeDefinition"><code>DocumentTypeDefinition</code></a>
548    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
549  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {  <pre class=idl><code>interface <dfn id=DocumentTypeDefinition><code>DocumentTypeDefinition</code></dfn> {
550        readonly attribute NamedNodeMap <a href="#elementTypes">elementTypes</a>;
551      readonly attribute NamedNodeMap <a href="#generalEntities">generalEntities</a>;
552      readonly attribute NamedNodeMap <a href="#notations">notations</a>;
553    
554      <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#getElementTypeDefinitionNode">getElementTypeDefinitionNode</a>
555        (in DOMString <a href="#getElementTypeDefinitionNode-name"><var>name</var></a>);
556      <a href="#Entity">Entity</a> <a href="#getGeneralEntityNode">getGeneralEntityNode</a>
557        (in DOMString <a href="#getGeneralEntityNode-name"><var>name</var></a>);
558      <a href="#Notation">Notation</a> <a href="#getNotationNode">getNotationNode</a>
559        (in DOMString <a href="#getNotationNode-name"><var>name</var></a>);
560    
561      void <a href="#setElementTypeDefinitionNode">setElementTypeDefinitionNode</a>
562        (in DOMString <a href="#setElementTypeDefinitionNode-node"><var>node</var></a>)
563        raises (DOMException);
564      void <a href="#setGeneralEntityNode">setGeneralEntityNode</a>
565        (in DOMString <a href="#setGeneralEntityNode-node"><var>node</var></a>)
566        raises (DOMException);
567      void <a href="#setNotationNode">setNotationNode</a>
568        (in DOMString <a href="#setNotationNode-node"><var>node</var></a>)
569        raises (DOMException);
570  }</code></pre>  }</code></pre>
571    
572  <pre class=ed>  <pre class=ed>
# Line 422  feature, a [CODE(DOMi)@en[[[DocumentType Line 576  feature, a [CODE(DOMi)@en[[[DocumentType
576  must implement the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]]  must implement the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]]
577  interface.  See [[DOM XML Document Type Definition]>>3] for  interface.  See [[DOM XML Document Type Definition]>>3] for
578  details.  details.
579    </pre>
580    
581    <dl>
582  ** Children  <dt><dfn id=elementTypes class=dom-attr><code>elementTypes</code></dfn> of
583    type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
584  [2] The [DFN@en[[CODE(DOMa)@en[[[elementTypes]]]] attribute]]    <dd><p>A live <code>NamedNodeMap</code> object that contains all the element
585  of the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] interface    type definitions belonging to the <code>DocumentType</code> node.</p>
586  is a live [CODE(DOMi)@en[[[NamedNodeMap]]]] object that  
587  contains all element types belongs to the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]]    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
588  node.  The type of the attribute is [CODE(DOMi)@en[[[NamedNodeMap]]]].    <code>NamedNodeMap</code> object that contains all the
589  The attribute is read-only.    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
590      nodes belonging to the <code>DocumentType</code> node.  The
591  What are contained in this collection depends on how    <code>NamedNodeMap</code> object <em class=rfc2119>MUST</em> be read$B!>(Bonly
592  the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node was created.  If the    if and only if the node is read$B!>(Bonly.  The <code>NamedNodeMap</code>
593  node was created as the result of parsing of an XML document,    object <em class=rfc2119>MUST</em> be live and the same object
594  it [['''MUST''']]  contain all element types whose element type and / or    <em class=rfc2119>MUST</em> be returned for any invocation.</p>
595  attribute definition list declaration are encountered by and provided for the DOM  
596  implementation from the XML processor.  Note that the XML processor might not    <p>If the <code>DocumentType</code> node is created during the process
597  provide a part of or entire such information depending on the configuration.    to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, the following
598  If more than one declarations for an element type or an attribute is available    requirements are applied:  The <code>NamedNodeMap</code> object in the
599  at the time of the definition node construction, then declarations other than    <a href="#elementTypes"><code>elementType</code></a> attribute
600  the first ones [['''MUST''']] be discarded.    <em class=rfc2119>MUST</em> be so transformed that the object contains
601      the <code>ElementTypeDefinition</code> nodes for the element types
602  The attribute [['''MUST''']] return the [CODE(DOMi)@en[[[NamedNodeMap]]]]    whose name is presented as the <code>Name</code> of the element type or
603  object that contains all the [CODE(DOMi)@en[[[ElementTypeDefinition]]]] nodes    attribute definition list declarations processed by the <abbr>XML</abbr>
604  belong to the node.  The returned [CODE(DOMi)@en[[[NamedNodeMap]]]] object    processor.  If there is more than one element type declarations for an
605  [['''MUST''']] be read-only if and only if the node is read-only.    element type, then the declarations other than the first one
606  Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live    <em class=rfc2119>MUST</em> be ignored for the purpose of constructing the
607  and therefore any change of read-only flag on the node is immediately    <code>NamedNodeMap</code> object.</p></dd>
608  reflected by that of the object.  <dt><dfn id=generalEntities class=dom-attr><code>generalEntities</code></dfn>
609    of type <code>NamedNodeMap</code>, read$B!>(Bonly</dt>
610  [3] The [DFN@en[[CODE(DOMa)@en[[[generalEntities]]]] attribute]]    <dd><p>A live <code>NamedNodeMap</code> object that contains all the general
611  of the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] interface    entities belonging to the <code>DocumentType</code> node.</p>
612  is a live [CODE(DOMi)@en[[[NamedNodeMap]]]] object that contains all the    
613  general entities belong to the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node.    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
614  The type of the attribute is [CODE(DOMi)@en[[[NamedNodeMap]]]].    same value as the <code>entities</code> attribute (defined in the
615  The attribute is read-only.    <code>DocumentType</code> interface) of the same node.</p>
616    
617      <div class="note memo">
618        <p>This attribute is part of the interface for historical reason.</p>
619      </div></dd>
620    <!--
621  All entities declared in the document type definition  All entities declared in the document type definition
622  contained in or referenced from the document entity  contained in or referenced from the document entity
623  might not be exposed through this collection, depending  might not be exposed through this collection, depending
# Line 478  representing general entities belong to Line 637  representing general entities belong to
637  the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live  the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
638  and therefore any change of read-only flag on the node is immediately  and therefore any change of read-only flag on the node is immediately
639  reflected by that of the object.  reflected by that of the object.
640    -->
641  The attribute [['''MUST''']] return the same value as the  <dt><dfn id=notations class=dom-attr><code>notations</code></dfn> of type
642  [CODE(DOMa)@en[[[entites]]]] attribute of the  <code>notations</code>, read$B!>(Bonly</code>
643  [CODE(DOMi)@en[[[DocumentType]]]] interface on the same node.    <dd><p>A live <code>NamedNodeMap</code> object that contains all the
644      notations belonging to the <code>DocumentType</code> node.</p>
645  [4] The [DFN@en[[CODE(DOMa)@en[[[notations]]]] attribute]]    
646  of the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] interface    <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
647  is a live [CODE(DOMi)@en[[[NamedNodeMap]]]] object that contains    same value as the <code>notations</code> attribute (defined in the
648  all the notations belong to the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]]    <code>DocumentType</code> interface) of the same node.</p>
649  node.  The type of the attribute is [CODE(DOMi)@en[[[NamedNodeMap]]]].  
650  The attribute is read-only.    <div class="note memo">
651        <p>This attribute is part of the interface for historical reason.</p>
652        <p>Implementations are not required to implement the
653        <code>notations</code> attribute twice (for <code>DocumentType</code>
654        and <code>DocumentTypeDefinition</code> interfaces); they share exactly
655        same definition.</p>
656      </div></dd>
657    <!--
658  If the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node is  If the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] node is
659  created from an XML document, duplicate notation declarations, if any, in DTD  created from an XML document, duplicate notation declarations, if any, in DTD
660  [['''MUST NOT''']] result in a node in the [CODE(DOMi)@en[[[NamedNodeMap]]]]  [['''MUST NOT''']] result in a node in the [CODE(DOMi)@en[[[NamedNodeMap]]]]
# Line 513  representing notations belong to the nod Line 678  representing notations belong to the nod
678  the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live  the node is read-only. Note that the [CODE(DOMi)@en[[[NamedNodeMap]]]] object is live
679  and therefore any change of read-only flag on the node is immediately  and therefore any change of read-only flag on the node is immediately
680  reflected by that of the object.  reflected by that of the object.
681    -->
682    
683  A DOM implementation is not required to implement the  <dt class=ed>@@ other members...
684  [CODE(DOMa)@en[[[notations]]]] attribute twice  </dl>
 for the [CODE(DOMi)@en[[[DocumentType]]]] and  
 the [CODE(DOMi)@en[[[DocumentTypeDefinition]]]] interfaces;  
 the latter is defined to contain the same value as the former.  
685    
686    <div class=ed>
687    <p>A future version of this interface might define the
688    <code>parameterEntities</code> and getter/setter for parameter entities.
689    </div>
690    
 ** Open Issues (informative)  
   
 [5] A future version of the interface might define the  
 [CODE(DOMa)@en[[[parameterEntities]]]] attribute and  
 getter/setter for parameter entities.  
 </pre>  
691  </div>  </div>
692    
693  <div class=section id=section-elementtypedefinition>  <div class=section id=section-elementtypedefinition>
694  <h2>The <code>ElementTypeDefinition</code> Interface</h2>  <h3>The <code>ElementTypeDefinition</code> Interface</h3>
695    
696  <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> {  <p>The <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>
697      interface <em class=rfc2119>MUST</em> be implemented as following:</p>
698  }</code></pre>  <pre class=idl><code>interface <dfn id=ElementTypeDefinition><code>ElementTypeDefinition</code></dfn> : <a href="#Node">Node</a> {
699      readonly attribute <a href="#ownerDocumentTypeDefinition">ownerDocumentTypeDefinition</a>;
 <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members  
700    
701  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute    <span class=ed>@@ more</span>
702  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  
703    
704  [5] The  <pre class=ed>
705  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]  [DFN@en[[CODE(DOMa)@en[[[ownerDocumentTypeDefinition]]]] attribute]]
706  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]  of the [CODE(DOMi)@en[[[ElementTypeDefinition]]]]
707  interface is defined in [[manakai//DOM Extensions]>>50].</pre>  interface is defined in [[manakai//DOM Extensions]>>50].</pre>
708  </div>  </div>
709    
710  <div class=section id=section-attributedefinition>  <div class=section id=section-attributedefinition>
711  <h2>The <code>AttributeDefinition</code> Interface</h2>  <h3>The <code>AttributeDefinition</code> Interface</h3>
712    
713  <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> {  <p>The <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
714    interface <em class=rfc2119>MUST</em> be implemented as following:</p>
715    <pre class=idl><code>interface <dfn id=AttributeDefinition><code>AttributeDefinition</code></dfn> : <a href="#Node">Node</a> {
716      <span class=comment>// <a href="#DeclaredValueType">DeclaredValueType</a></span>
717      const unsigned short <a href="#NO_TYPE_ATTR">NO_TYPE_ATTR</a> = 0;
718      const unsigned short <a href="#CDATA_ATTR">CDATA_ATTR</a> = 1;
719      const unsigned short <a href="#ID_ATTR">ID_ATTR</a> = 2;
720      const unsigned short <a href="#IDREF_ATTR">IDREF_ATTR</a> = 3;
721      const unsigned short <a href="#IDREFS_ATTR">IDREFS_ATTR</a> = 4;
722      const unsigned short <a href="#ENTITY_ATTR">ENTITY_ATTR</a> = 5;
723      const unsigned short <a href="#ENTITIES_ATTR">ENTITIES_ATTR</a> = 6;
724      const unsigned short <a href="#NMTOKEN_ATTR">NMTOKEN_ATTR</a> = 7;
725      const unsigned short <a href="#NMTOKENS_ATTR">NMTOKENS_ATTR</a> = 8;
726      const unsigned short <a href="#NOTATION_ATTR">NOTATION_ATTR</a> = 9;
727      const unsigned short <a href="#ENUMERATION_ATTR">ENUMERATION_ATTR</a> = 10;
728      const unsigned short <a href="#UNKNOWN_ATTR">UNKNOWN_ATTR</a> = 11;
729        
730  }</code></pre>    readonly attribute <a href="#ElementTypeDefinition">ElementTypeDefinition</a> <a href="#ownerElementTypeDefinition">ownerElementTypeDefinition</a>;
731    
732  <pre class=ed>** Modifications to [CODE(DOMi)@en[[[Node]]]] members    readonly attribute unsigned short <a href="#declaredType">declaredType</a>;
733      readonly attribute unsigned short <a href="#defaultType">defaultType</a>;
734    
735  [3] The getter of the [CODE(DOMa)@en[[[attributes]]]] attribute    <span class=ed>...</span>
736  of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  }</code></pre>
 [['''MUST''']] return [CODE(IDL)@en[[[null]]]].  
   
 [9] The getter of the [CODE(DOMa)@en[[[baseURI]]]] attribute  
 of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  
 [['''MUST''']] return the [CODE(DOMa)@en[[[baseURI]]]]  
 of the [CDOE(DOMa)@en[[[ownerDocument]]]] of the  
 [CODE(DOMi)@en[[[AttributeDefinition]]]] 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[[[AttributeDefinition]]]] object  
 [['''MUST''']] return the name of the attribute.  
   
 [2] The getter of the [CODE(DOMa)@en[[[nodeValue]]]] attribute  
 of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  
 [['''MUST''']] return the normalized default value  
 of the attribute.  
737    
738  @@  <dl>
739    <dt><dfn id=ownerElementTypeDefinition class=dom-attr><code>ownerElementTypeDefinition</code></dfn>
740    of type
741    <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a>,
742    read$B!>(Bonly</dt>
743      <dd><p>The
744      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> to
745      which the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
746      node belongs.</p>
747    
748      <p>On getting, the attribute <em class=rfc2119>MUST</em> return an
749      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node.
750      It <em class=rfc2119>MUST</em> be such a node that whose
751      <a href="#attributeDefinitons"><code>attributeDefinitions</code></a>
752      attribute contains the <code>NamedNodeMap</code> object that contains
753      the <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
754      node.  If there is no such an
755      <a href="#ElementTypeDefinition"><code>ElementTypeDefinition</code></a> node,
756      then <code>null</code> <em class=rfc2119>MUST</em> be returned.</p>
757    <dt><dfn id=declaredType class=dom-attr><code>declaredType</code></dfn> of type
758    <code>unsigned short</code></dt>
759      <dd><p>The declared type <span class=ed>@@ ref</span> of the attribute.
760      It is expected that this attribute contains a value from the definition group
761      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>.</p>
762    
763      <p>On getting, the attribute <em class=rfc2119>MUST</em> return the
764      value associated to this attribute.</p>
765    
766      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
767      <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
768      exception if the
769      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
770      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
771      <em class=rfc2119>MUST</em> set the specified value as the value
772      associated to this attribute.</p>
773    
774      <p>If the <code>AttributeDefinition</code> node is created during the process
775      to create a <abbr>DOM</abbr> from an <abbr>XML</abbr> document, an
776      appropriate value from the
777      <a href="#DeclaredValueType"><code>DeclaredValueType</code></a> constant
778      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
779    
780      <!-- DeclaredValueType -->
781    <p>The definition group
782    <dfn id=DeclaredValueType><code>DeclaredValueType</code></dfn> contains
783    integers indicating the declared type of attributes.  The definition
784    group contains the following constants:</p>
785    
786    <table>
787    <thead>
788    <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
789    </thead>
790    <tbody>
791    <tr>
792    <th scope=row><dfn id=NO_TYPE_ATTR class=dom-const><code>NO_TYPE_ATTR</code>
793    <td><code>0</code><td>No value <span class=ed>[INFOSET]</span>.</tr>
794    <tr>
795    <th scope=row><dfn id=CDATA_ATTR class=dom-const><code>CDATA_ATTR</code>
796    <td><code>1</code><td><code>CDATA</code> <span class=ed>[XML]</span>.</tr>
797    <tr>
798    <th scope=row><dfn id=ID_ATTR class=dom-const><code>ID_ATTR</code>
799    <td><code>2</code><td><code>ID</code> <span class=ed>[XML]</span>.</tr>
800    <tr>
801    <th scope=row><dfn id=IDREF_ATTR class=dom-const><code>IDREF_ATTR</code>
802    <td><code>3</code><td><code>IDREF</code> <span class=ed>[XML]</span>.</tr>
803    <tr>
804    <th scope=row><dfn id=IDREFS_ATTR class=dom-const><code>IDREFS_ATTR</code>
805    <td><code>4</code><td><code>IDREFS</code> <span class=ed>[XML]</span>.</tr>
806    <tr>
807    <th scope=row><dfn id=ENTITY_ATTR class=dom-const><code>ENTITY_ATTR</code>
808    <td><code>5</code><td><code>ENTITY</code> <span class=ed>[XML]</span>.</tr>
809    <tr>
810    <th scope=row><dfn id=ENTITIES_ATTR class=dom-const><code>ENTITIES_ATTR</code>
811    <td><code>6</code><td><code>ENTITIES</code> <span class=ed>[XML]</span>.</tr>
812    <tr>
813    <th scope=row><dfn id=NMTOKEN_ATTR class=dom-const><code>NMTOKEN_ATTR</code>
814    <td><code>7</code><td><code>NMTOKEN</code> <span class=ed>[XML]</span>.</tr>
815    <tr>
816    <th scope=row><dfn id=NMTOKENS_ATTR class=dom-const><code>NMTOKENS_ATTR</code>
817    <td><code>8</code><td><code>NMTOKENS</code> <span class=ed>[XML]</span>.</tr>
818    <tr>
819    <th scope=row><dfn id=NOTATION_ATTR class=dom-const><code>NOTATION_ATTR</code>
820    <td><code>9</code><td><code>NOTATION</code> <span class=ed>[XML]</span>.</tr>
821    <tr>
822    <th scope=row><dfn id=ENUMERATION_ATTR class=dom-const><code>ENUMERATION_ATTR</code>
823    <td><code>10</code><td>Enumeration <span class=ed>[XML]</span>.</tr>
824    <tr>
825    <th scope=row><dfn id=UNKNOWN_ATTR class=dom-const><code>UNKNOWN_ATTR</code>
826    <td><code>11</code><td>Unknown, because no declaration for the attribute
827    has been read but the [all declaration processed] property
828    <span class=ed>[INFOSET]</span> would be false.</tr>
829    </tbody>
830    </table>
831    
832    <p>If no attribute type information is available, or if the source
833    of the information does not distinguish <q>no value</q> and <q>unknown</q>
834    <span class=ed>[INFOSET]</span>, then the value
835    <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>
836    <em class=rfc2119>MUST</em> be used.</p>
837    
838    <div class="note memo">
839    <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
840    created by the
841    <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
842    method has its <a href="#declaredType"><code>declaredType</code></a> attribute
843    set to <a href="#NO_TYPE_ATTR"><code>NO_TYPE_ATTR</code></a>.</p>
844    </div>
845    
846    <p>If the source of the information does not distinguish <q>no value</q>
847    and/or <q>unknown</q> <span class=ed>[INFOSET]</span> and
848    <code>CDATA</code> <span class=ed>[XML]</span>, then the value
849    <a href="#CDATA_ATTR"><code>CDATA_ATTR</code></a> <em class=rfc2119>MUST</em>
850    be used.</p>
851    
852    <p>In Perl binding <span class=ed>[PERLBINDING]</span>, the
853    <code>Attr</code> nodes <em class=rfc2119>MUST</em> implement the
854    <a href="#DeclaredValueType"><code>DeclaredValueType</code></a>
855    definition group.</p>
856    
857  [4] The getter of the [CODE(DOMa)@en[[[textContent]]]]    </dd>
858  attribute of an [CODE(DOMi)@en[[[AttributeDefinition]]]]  <dt><dfn id=defaultType class=dom-attr><code>defaultType</code></dfn> of
859  object [['''MUST''']] behave as if it were an  type <code>unsigned short</code></dt>
860  [CODE(DOMi)@en[[[Attr]]]] object.    <dd><p>The type of the default for the attribute.  It is expected that this
861      attribute contains a value from the definition group
862      <a href="#DefaultValueType"><code>DefaultValueType</code></a>.</p>
863    
864      <p>On getting, the attribute <em class=rfc2119>MUST</em> return
865      the value associated to this attribute.</p>
866    
867      <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
868      <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
869      exception if the
870      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node
871      is read$B!>(Bonly <span class=ed>@@ ref</span>.  Otherwise, it
872      <em class=rfc2119>MUST</em> set the specified value as the value
873      associated to this attribute.</p>
874    
875      <p>If the
876      <a href="#AttributeDefinition"><code>AttributeDefinition</code></a> node is
877      created during the process to create a <abbr>DOM</abbr> from an
878      <abbr>XML</abbr> document, an appropriate value from the
879      <a href="#DefaultValueType"><code>DefaultValueType</code></a> definition
880      group <em class=rfc2119>MUST</em> be set to the attribute.</p>
881    
882      <!-- DefaultValueType -->
883      <p>The definition group
884      <dfn id=DefaultValueType><code>DefaultValueType</code></dfn>
885      contains integers indicating the type of the default for the attribute.
886      The definition group contains the following constans:</p>
887    
888      <table>
889      <thead>
890      <tr><th scope=col>Name<th scope=col>Value<th scope=col>Description</tr>
891      </thead>
892      <tbody>
893      <tr>
894      <th scope=row><dfn id=UNKNOWN_DEFAULT class=dom-const><code>UNKNOWN_DEFAULT</code></dfn>
895      <td><code>0</code><td>Unknown.</tr>
896      <tr>
897      <th scope=row><dfn id=FIXED_DEFAULT class=dom-const><code>FIXED_DEFAULT</code></dfn>
898      <td><code>1</code><td>Provided explicitly and fixed
899      <span class=ed>@@ ref</span> to that value.</tr>
900      <tr>
901      <th scope=row><dfn id=REQUIRED_DEFAULT class=dom-const><code>REQUIRED_DEFAULT</code></dfn>
902      <td><code>2</code><td>No default value and the attribute have to be
903      explicitly specified.</tr>
904      <tr>
905      <th scope=row><dfn id=IMPLIED_DEFAULT class=dom-const><code>IMPLIED_DEFAULT</code></dfn>
906      <td><code>3</code><td>Implied <span class=ed>@@ ref</span>.</tr>
907      <tr>
908      <th scope=row><dfn id=EXPLICIT_DEFAULT class=dom-const><code>EXPLICIT_DEFAULT</code></dfn>
909      <td><code>4</code><td>Provided explicitly.</tr>
910      </tbody>
911      </table>
912    
913      <p>If the source of the default type does not distinguish
914      implied and unknown default types, then the value
915      <a href="#IMPLIED_DEFAULT"><code>IMPLIED_DEFAULT</code></a>
916      <em class=rfc2119>MUST</em> be used.</p>
917    
918      <div class="note memo">
919      <p>An <a href="#AttributeDefinition"><code>AttributeDefinition</code></a>
920      node created by the
921      <a href="#createAttributeDefinition"><code>createAttributeDefinition</code></a>
922      method has its <a href="#defaultType"><code>defaultType</code></a>
923      attribute set to
924      <a href="#UNKNOWN_DEFAULT"><code>UNKNOWN_DEFAULT</code></a>.</p>
925      </div></dd>
926    </dl>
927    
928  The setter of the [CODE(DOMa)@en[[[textContent]]]] attribute  </div>
 of an [CODE(DOMi)@en[[[AttributeDefinition]]]] object  
 [['''MUST''']] behave as if the following algorithm  
 is performed:  
 = If the [CODE(DOMi)@en[[[AttributeDefinition]]]]  
 object is read-only, then throw an  
 [CODE(DOMc)@en[[[NO_MODIFICATION_ALLOWED_ERR]]]].  
 = Remove any child node the node has.  
 = If the new value is not empty and not [CODE(IDL)@en[[[null]]]],  
 then create a [CODE(DOMi)@en[[[Text]]]] node  
 whose [CODE(DOMa)@en[[[data]]]] is the new value  
 and append it to the [CODE(DOMi)@en[[[AttributeDefinition]]]].  
929    
930  ** Definition groups  <div class=section id=section-documenttype>
931    <h3>Modifications to the <code id=DocumentType>DocumentType</code>
932    Interface</h3>
933    
934    <p>A <a href="#DocumentType"><code>DocumentType</code></a> interface
935    <em class=rfc2119>MAY</em> contain zero or more
936    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
937    nodes in the <code>NodeList</code> object contained in the
938    <code>childNodes</code> attribute of the
939    <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
940    
941    <p>If the <a href="#DocumentType"><code>DocumentType</code></a> node is created
942    during the process to create a <abbr>DOM</abbr> from an <abbr>XML</abbr>
943    document, the <code>NodeList</code> object in the <code>childNodes</code>
944    object <em class=rfc2119>MUST</em> contains the
945    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a>
946    nodes representing the processing instructions in the document type
947    definition of the document processed <span class=ed>@@ ref</span> by
948    the <abbr>XML</abbr> processor.  If the
949    <a href="#DocumentType"><code>DocumentType</code></a> node is marked
950    as read$B!>(Bonly, then all the child nodes <em class=rfc2119>MUST</em>
951    also be marked as read$B!>(Bonly.</p>
952    
953    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is created
954    from a document type declaration information item <span class=ed>@@ ref</span>,
955    the <code>NodeList</code> object in the <code>childNodes</code> attribute
956    of the node <em class=rfc2119>MUST</em> contain the
957    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
958    created from the processing instruction information items in the list in the
959    [children] property of the document type declaration item in the same
960    order.</p>
961    
962    <p>If a <a href="#DocumentType"><code>DocumentType</code></a> node is mapped to
963    a document type declaration information item, the list in the [children]
964    property <em class=rfc2119>MUST</em> contain the processng instruction
965    information items created from the
966    <a href="#ProcessingInstruction"><code>ProcessingInstruction</code></a> nodes
967    in the <code>NodeList</code> object in the <code>childNodes</code> attribute
968    of the <a href="#DocumentType"><code>DocumentType</code></a> node.</p>
969    
970    <p>The implementation of the
971    <a href="#DocumentType"><code>DocumentType</code></a> interface
972    <em class=rfc2119>MUST</em> be modified as following:</p>
973    <pre class=idl><code>// Modifications to the DocumentType interface
974      attribute DOMString <a href="#publicId">publicId</a>;
975      attribute DOMString <a href="#systemId">systemId</a>;
976    
977      attribute DOMString <a href="#internalSubset">internalSubset</a>;
978    </code></pre>
979    
980    <p>The <code id=publicId>publicId</code> attribute and the
981    <code id=systemId>systemId</code> attribute of
982    <a href="#DocumentType"><code>DocumentType</code></a>,
983    <a href="#Entity"><code>Entity</code></a>, and
984    <a href="#Notation"><code>Notation</code></a> interfaces are no longer
985    read$B!>(Bonly.</p>
986    
987    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
988    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
989    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
990    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
991    associated to the attribute.  No normalization, relative reference resolution,
992    or lexical validation is performed. <span class=ed>@@ If the new
993    value is <code>null</code>, ...</span></p>
994    
995    <div class="note memo">
996    <p>Setting an invalid identifier might make the node unserializable.
997    Setting a public identifier while leaveing system identifier unspecified
998    would also make the <a href="#DocumentType"><code>DocumentType</code></a>
999    or <a href="#Entity"><code>Entity</code></a> node unserializable.</p>
1000    </div>
1001    
1002    <div class=ed>
1003    <p>ISSUE: In HTML5, Firefox 1.5, and Opera 9, not specifying public or system identifier results in empty strings.</p>
1004    </div>
1005    
1006    <p>The <code id=internalSubset>internalSubset</code> attribute of the
1007    <a href="#DocumentType"><code>DocumentType</code></a> interface is no longer
1008    read$B!>(Bonly.</p>
1009    
1010    <p>On setting, the attribute <em class=rfc2119>MUST</em> raise a
1011    <code>NO_MODIFICATION_ALLOWED_ERR</code> <span class=ed>@@ ref</span>
1012    exception if the node is read$B!>(Bonly <span class=ed>@@ ref</span>.  
1013    Otherwise, it <em class=rfc2119>MUST</em> set the specified value as the value
1014    associated to the attribute.  No normalization, or lexical validation is
1015    performed. <span class=ed>@@ If the new value is <code>null</code>,
1016    ...</span></p>
1017    
 [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>  
1018  </div>  </div>
1019    
1020  </div>  </div>
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