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revision 1.2 by wakaba, Mon Nov 12 12:26:27 2007 UTC revision 1.11 by wakaba, Tue Nov 13 13:00:14 2007 UTC
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4  <title>manakai's XML Conformance Checking</title>  <title>manakai's XML Conformance Checking</title>
5  <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec">  <link rel="stylesheet" href="http://suika.fam.cx/www/style/html/spec">
6  <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">  <link rel="license" href="http://suika.fam.cx/c/gnu/fdl">
7    <style>
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12        font-family: Courier New, monospace;
13        vertical-align: 60%;
14      }
15    </style>
16  </head>  </head>
17  <body class="has-abstract">  <body class="has-abstract">
18    
19  <div class="header">  <div class="header">
20  <h1>manakai's XML Conformance Checking</h1>  <h1>manakai's XML Conformance Checking</h1>
21  <h2>Working Draft <time datetime=2007-11-12>12 November 2007</time></h2>  <h2>Working Draft <time datetime=2007-11-13>13 November 2007</time></h2>
22    
23  <dl class="versions-uri">  <dl class="versions-uri">
24  <dt>This Version</dt>  <dt>This Version</dt>
# Line 111  In addition, the order in which <a href= Line 120  In addition, the order in which <a href=
120  raised is undefined.</p>  raised is undefined.</p>
121  </div>  </div>
122    
123  <div class="section">  <div class="section" id=checking-dom>
124  <h2 class=ed>Algorithms</h2>  <h2>Checking <abbr>DOM</abbr></h2>
125    
126  <p>The following algorithms and definitions are applied to  <p>The following algorithms and definitions are applied to
127  <abbr>XML</abbr> documents; especially, they are not applied  <abbr>XML</abbr> documents; especially, they are not applied
128  to <abbr>HTML</abbr> documents.<!-- TODO: ref to HTML5 --></p>  to <abbr>HTML</abbr> documents.<!-- TODO: ref to HTML5 --></p>
129    
130    <div class=section id=error-categories>
131    <h3>Error Classification</h3>
132    
133  <p class=ed>If a <code>Document</code> node has no  <p class=ed>If a <code>Document</code> node has no
134  xml-well-formedness-error, entity-error, and unknown-error,  xml-well-formedness-error, entity-error, and unknown-error,
135  then it is well-formed.  If a well-formed <code>Document</code>  then it is well-formed.  If a well-formed <code>Document</code>
# Line 134  can be easily serialized into a valid XM Line 146  can be easily serialized into a valid XM
146    
147  <dl id=errors>  <dl id=errors>
148  <dt><dfn id=entity-error><code>entity-error</code></dfn></dt>  <dt><dfn id=entity-error><code>entity-error</code></dfn></dt>
149    <dd class=ed>@@</dd>    <dd>
150        <p class=ed>@@</p>
151        <div class="note memo">
152          <p>This <span class=ed>algorithm</span> does not support
153          <abbr>DOM</abbr> tree with one or more <code>EntityReference</code>
154          nodes.  It is expected that any entity references are expanded
155          at the parse time and any unexpandable entity references
156          make parse time errors raised so that never result in
157          <abbr>DOM</abbr> tree with <code>EntityReference</code> nodes.</p>
158        </div>
159      </dd>
160  <dt><dfn id=round-trip-error><code>round-trip-error</code></dfn></dt>  <dt><dfn id=round-trip-error><code>round-trip-error</code></dfn></dt>
161    <dd class=ed>@@</dd>    <dd class=ed>@@</dd>
162  <dt class=ed><dfn id=unknown-error><code>unknown-error</code></dfn>?</dt>  <dt class=ed><dfn id=unknown-error><code>unknown-error</code></dfn>?</dt>
# Line 172  can be easily serialized into a valid XM Line 194  can be easily serialized into a valid XM
194  (MAY or MUST), #dt-compat for compatibility,  (MAY or MUST), #dt-compat for compatibility,
195  #dt-interop for interoperability</p></div>  #dt-interop for interoperability</p></div>
196    
197    </div>
198    
199    <div class=section id=definitions>
200    <h3>Definitions</h3>
201    
202  <p>The <dfn id=xml-version><abbr>XML</abbr> version</dfn> of a node is  <p>The <dfn id=xml-version><abbr>XML</abbr> version</dfn> of a node is
203  the <abbr>XML</abbr> version of the document to which the node belongs.  the <abbr>XML</abbr> version of the document to which the node belongs.
204  For a <code>Documemt</code> node, the <abbr>XML</abbr> version  For a <code>Documemt</code> node, the <abbr>XML</abbr> version
205  of the document is the value of the <code>xmlVersion</code>  of the document is the value of the <code>xmlVersion</code>
206  attribute.  For a <code>DocumentType</code> node whose  attribute of the node.  For a <code>DocumentType</code> node whose
207  <code>ownerDocument</code> is set to <code>null</code>,  <code>ownerDocument</code> attribute is set to <code>null</code>,
208  the <abbr>XML</abbr> version of the document is <code>1.0</code>.  the <abbr>XML</abbr> version of the document is <code>1.0</code><!--
209    since createDocumentType [DOM3CORE] assumes XML 1.0 [XML10TE] -->.
210  For any other node, the <abbr>XML</abbr> version of the document  For any other node, the <abbr>XML</abbr> version of the document
211  is that of the <code>Document</code> node contained in the  is that of the <code>Document</code> node contained in the
212  <code>ownerDocument</code> attribute of the node.</p>  <code>ownerDocument</code> attribute of the node.</p>
213    
214    </div>
215    
216    
217    <div class=section id=checking-components>
218    <h3>Checking Components</h3>
219    
220    <p>The algorithm
221    <dfn id=algorithm-to-validate-an-xml-character-data title-"to validate an XML character data">to
222    validate an <abbr>XML</abbr> character data
223    (<dfn id=var-s><var>s</var></dfn>)</dfn> is defined as following:</p>
224    <ol>
225    <li>If <var>s</var> contains a character that is <em>not</em> in
226    the character class <a href="#class-Char10"><code>Char10</code></a>,
227    then raise an
228    <a href="#xml-well-formedness-error" id=wfe-illegal-char><code>xml-well-formedness-error</code></a>.</li>
229    <li>If <var>s</var> contains a character that is in the character
230    class <a href="#class-CompatChar10"><code>CompatChar10</code></a>,
231    then raise an
232    <a href="#xml-misc-warning" id=xmw-compat-char><code>xml-misc-warning</code></a>.</li>
233    <li>If <var>s</var> contains a character that is in the character
234    class <a href="#class-ControlChar10"><code>ControlChar10</code></a>,
235    then raise an
236    <a href="#xml-misc-warning" id=xmw-control-char><code>xml-misc-warning</code></a>.</li>
237    <li class=ed>@@ XML 1.1 support</li>
238    <li class=ed>@@ If U+000D, round-trip-error</li>
239    </ol>
240    
241    <p>The algorithm
242    <dfn id=algorithm-to-validate-a-name title="to validate a Name">to validate a
243    <code>Name</code> (<dfn id=var-name><var>name</var></dfn>)</dfn> is defined
244    as following:</p>
245    <ol>
246    <li class=ed>@@</li>
247    </ol>
248    
249    <p>The algorithm
250    <dfn id=algorithm-to-validate-a-ncname title="to validate an NCName">to
251    validate an <code>NCName</code> (<dfn id=var-name><var>name</var></dfn>)</dfn>
252    is defined as following:</p>
253    <ol>
254    <li class=ed>@@</li>
255    </ol>
256    
257    <p>To <dfn id=algorithm-to-validate-a-public-identifier title="validate a public identifier">validate
258    a public identifier (<dfn id=var-pid><var>pid</var></dfn>)</dfn>, the
259    algorithm below <em class=rfc2119>MUST</em> be used:</p>
260    <ol>
261      <li>If <var>pid</var> contains any character
262      that is outside of the range of <code>#x20 | #xD | #xA |
263      [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]</code><!-- @@ TODO: formal def -->,
264      then it is an
265      <a href="#xml-well-formedness-error" id=wfe-pubid-char><code>xml-well-formedness-error</code></a>.</li>
266      <li>If <var>pid</var> contains one of <code class=char>U+0009</code>
267      <code class=charname>CHARACTER TABULATION</code>,
268      <code class=char>U+000A</code> <code class=charname>CARRIAGE RETURN</code>,
269      and <code class=char>U+000D</code> <code class=charname>LINE FEED</code>
270      characters, if the first character of <var>pid</var> is
271      <code class=char>U+0020</code> <code class=charname>SPACE</code> character,
272      if the last character of <var>pid</var> is <code class=char>U+0020</code>
273      <code class=charname>SPACE</code> character, or if there is a
274      <code class=char>U+0020</code> <code class=charname>SPACE</code> character
275      immediately followed by another <code class=char>U+0020</code>
276      <code class=charname>SPACE</code> character in <var>pid</var>, then it is a
277      <a href="#round-trip-error" id=rte-pubid-space><code>round-trip-error</code></a>.</li>
278      <li class=ed>@@ Should we check formal-public-identifierness?</li>
279    </ol>
280    
281    </div>
282    
283    <div class=section id=checking-node>
284    <h3>Checking <code>Node</code></h3>
285    
286  <p>The algorithm <dfn title="to check a node" id=algorithm-to-check-a-node>to  <p>The algorithm <dfn title="to check a node" id=algorithm-to-check-a-node>to
287  check a node (<dfn id=var-n><var>n</var></dfn>)</dfn> is defined as  check a node (<dfn id=var-n><var>n</var></dfn>)</dfn> is defined as
288  following:</p>  following:</p>
# Line 195  following:</p> Line 295  following:</p>
295      <li>If the <code>prefix</code> attribute value is different from      <li>If the <code>prefix</code> attribute value is different from
296      <code>null</code>, then <a href="#algorithm-to-validate-a-ncname">validate      <code>null</code>, then <a href="#algorithm-to-validate-a-ncname">validate
297      the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>      the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>
298      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-attr-nc><var>n<sub><var>c</var></sub></var></dfn> in the
299      a node which is <em>not</em> <code>Text</code> or      <code>childNodes</code> list of <var>n</var>,
300      <code>EntityReference</code> node, then it is a        <ol>
301      <a href="#xml-well-formedness-error" id=wfe-attr-child><code>xml-well-formedness-error</code></a>.</li>        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a
302      <li>If the <code>childNodes</code> list of <var>n</var> contains        <code>Text</code> or <code>EntityReference</code> node, then it is an
303      an <code>EntityReference</code> node, it is an        <a href="#xml-well-formedness-error" id=wfe-attr-child><code>xml-well-formedness-error</code></a>.</li>
304      <a href="#entity-error" id=ee-er-in-attr><code>entity-error</code></a>.</li>        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an
305      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <code>EntityReference</code> node, then it is an
306      which is different from <code>EntityReference</code> in        <a href="#entity-error" id=ee-attr-er><code>entity-error</code></a>.</li>
307      <code>childNodes</code> list of <var>n</var> recursively.</li>        <li>Otherwise,
308          <a href="#algorithm-to-check-a-node" title="check a node">check
309          <var>n<sub><var>c</var></sub></var></a> recusrively.</li>
310          </ol></li>
311      <li class=ed>@@ <code>specified</code>,      <li class=ed>@@ <code>specified</code>,
312      <code>manakaiAttributeType</code></li>      <code>manakaiAttributeType</code></li>
313      </ol>      </ol>
314    </dd>    </dd>
315  <dt>If <var>n</var> is an <code>AttributeDefinition</code> node</dt>  <dt>If <var>n</var> is an <code>AttributeDefinition</code> node</dt>
316    <dd class=ed></dd>    <dd>
317        <ol>
318        <li class=ed></li>
319        <li>For each node <dfn id=var-ad-nc><var>n<sub><var>c</var></sub></var></dfn> in the
320        <code>childNodes</code> list of <var>n</var>,
321          <ol>
322          <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a
323          <code>Text</code> or <code>EntityReference</code> node, then it is an
324          <a href="#xml-well-formedness-error" id=wfe-at-child><code>xml-well-formedness-error</code></a>.</li>
325          <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an
326          <code>EntityReference</code> node, then it is an
327          <a href="#entity-error" id=ee-at-er><code>entity-error</code></a>.</li>
328          <li>Otherwise,
329          <a href="#algorithm-to-check-a-node" title="check a node">check
330          <var>n<sub><var>c</var></sub></var></a> recusrively.</li>
331          </ol></li>
332        </ol>
333      </dd>
334  <dt>If <var>n</var> is a <code>CDATASection</code> node</dt>  <dt>If <var>n</var> is a <code>CDATASection</code> node</dt>
335    <dd>    <dd>
336      <ol>      <ol>
# Line 218  following:</p> Line 338  following:</p>
338      <code>data</code> attribute value as an <abbr>XML</abbr> character      <code>data</code> attribute value as an <abbr>XML</abbr> character
339      data</a>.</li>      data</a>.</li>
340      <li>If the <code>data</code> attribute value contains      <li>If the <code>data</code> attribute value contains
341      a string <code>]]></code>, then it is a      a string <code>]]></code>, then it is an
342      <a href="#xml-well-formedness-error" id=wfe-cs-mse><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-cs-mse><code>xml-well-formedness-error</code></a>.</li>
343      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>If the <code>childNodes</code> list of <var>n</var> contains
344      any nodes, they are in      any nodes, they are in
345      <a href="#xml-well-formedness-error" id=wfe-cs-child><code>xml-well-formedness-error</code></a>s.</li>      <a href="#xml-well-formedness-error" id=wfe-cs-child><code>xml-well-formedness-error</code></a>.</li>
346      </ol>      </ol>
347    </dd>    </dd>
348  <dt>If <var>n</var> is a <code>Comment</code> node</dt>  <dt>If <var>n</var> is a <code>Comment</code> node</dt>
# Line 233  following:</p> Line 353  following:</p>
353      data</a>.</li>      data</a>.</li>
354      <li>If the <code>data</code> attribute value contains      <li>If the <code>data</code> attribute value contains
355      a string <code>--</code>, or if it ends with a character      a string <code>--</code>, or if it ends with a character
356      <code>-</code>, then it is a      <code>-</code>, then it is an
357      <a href="#xml-well-formedness-error" id=wfe-comment-com><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-comment-com><code>xml-well-formedness-error</code></a>.</li>
358      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>If the <code>childNodes</code> list of <var>n</var> contains
359      any nodes, they are in      any nodes, they are in
360      <a href="#xml-well-formedness-error" id=wfe-comment-child><code>xml-well-formedness-error</code></a>s.</li>      <a href="#xml-well-formedness-error" id=wfe-comment-child><code>xml-well-formedness-error</code></a>.</li>
361      </ol>      </ol>
362    </dd>    </dd>
363  <dt>If <var>n</var> is a <code>Document</code> node</dt>  <dt>If <var>n</var> is a <code>Document</code> node</dt>
# Line 248  following:</p> Line 368  following:</p>
368      then it is an <code class=ed>unknown-error?</code>.</li>      then it is an <code class=ed>unknown-error?</code>.</li>
369      <li>If the <code>xmlEncoding</code> attribute value does <em>not</em>      <li>If the <code>xmlEncoding</code> attribute value does <em>not</em>
370      match to <code>[A-Za-z] ([A-Za-z0-9._] | '-')*</code>      match to <code>[A-Za-z] ([A-Za-z0-9._] | '-')*</code>
371      <span class=ed>@@ formal def</span>, then it is a      <span class=ed>@@ formal def</span>, then it is an
372      <a href="#xml-well-formedness-error" id=wfe-encoding><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-encoding><code>xml-well-formedness-error</code></a>.</li>
373      <li>The <code>childNodes</code> list of <var>n</var> have to      <li>The <code>childNodes</code> list of <var>n</var> have to
374      consist of zero or more <code>Comment</code> and/or      consist of zero or more <code>Comment</code> and/or
# Line 258  following:</p> Line 378  following:</p>
378      <code>ProcessingInstruction</code> nodes, followed by      <code>ProcessingInstruction</code> nodes, followed by
379      an <code>Element</code> node, followed      an <code>Element</code> node, followed
380      by zero or more <code>Comment</code> and/or      by zero or more <code>Comment</code> and/or
381      <code>ProcessingInstruction</code> nodes.  Any violation to this is a      <code>ProcessingInstruction</code> nodes.  Any violation to this is an
382      <a href="#xml-well-formedness-error" id=wfe-document-child><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-document-child><code>xml-well-formedness-error</code></a>.</li>
383      <li><a href="#algorithm-to-check-a-node">Check each node</a>      <li>For each node <dfn id=var-document-nc><var>n<sub><var>c</var></sub></var></dfn>
384      which is different from <code>EntityReference</code> in      in the <code>childNodes</code> list of <var>n</var>,
385      <code>childNodes</code> list of <var>n</var> recursively.</li>        <ol>
386          <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an
387          <code>EntityReference</code> node, then
388          <a href="#algorithm-to-check-a-node" title="check a node">check
389          <var>n<sub><var>c</var></sub></var></a> recursively.</li>
390          </ol></li>
391      <li class=ed>@@ <code>allDeclarationsProcessed</code></li>      <li class=ed>@@ <code>allDeclarationsProcessed</code></li>
392      </ol>      </ol>
393    </dd>    </dd>
394  <dt>If <var>n</var> is a <code>DocumentFragment</code> node</dt>  <dt>If <var>n</var> is a <code>DocumentFragment</code> node</dt>
395    <dd>    <dd>
396      <ol>      <ol>
397      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-df-nc><var>n<sub><var>c</var></sub></var></dfn>
398      a node which is <em>not</em> <code>Element</code>,      in the <code>childNodes</code> list of <var>n</var>,
399      <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,        <ol>
400      <code>ProcessingInstruction</code>, or        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an
401      <code>EntityReference</code> node, then it is a        <code>Element</code>, <code>Text</code>, <code>CDATASection</code>,
402      <a href="#xml-well-formedness-error" id=wfe-df-child><code>xml-well-formedness-error</code></a>.</li>        <code>Comment</code>, <code>ProcessingInstruction</code>, or
403      <li>If the <code>childNodes</code> list of <var>n</var> contains        <code>EntityReference</code> node, then it is an
404      an <code>EntityReference</code> node, it is an        <a href="#xml-well-formedness-error" id=wfe-df-child><code>xml-well-formedness-error</code></a>.</li>
405      <a href="#entity-error" id=ee-er-in-df><code>entity-error</code></a>.</li>        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an
406      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <code>EntityReference</code> node, then it is an
407      which is different from <code>EntityReference</code> in        <a href="#entity-error" id=ee-df-er><code>entity-error</code></a>.</li>
408      <code>childNodes</code> list of <var>n</var> recursively.</li>        <li>Otherwise,
409          <a href="#algorithm-to-check-a-node" title="check a node">check
410          <var>n<sub><var>c</var></sub></var></a> recursively.</li>
411          </ol></li>
412      </ol>      </ol>
413    </dd>    </dd>
414  <dt>If <var>n</var> is a <code>DocumentType</code> node</dt>  <dt>If <var>n</var> is a <code>DocumentType</code> node</dt>
# Line 288  following:</p> Line 416  following:</p>
416      <ol>      <ol>
417      <li><a href="#algorithm-to-validate-a-ncname">Validate the      <li><a href="#algorithm-to-validate-a-ncname">Validate the
418      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>
419      <li>If the <code>publicId</code> attribute value contains any character      <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate
420      that is outside of the range of <code>#x20 | <!--#xD | #xA |-->      the <code>publicId</code> attribute value as a public identifier</a>.</li>
     [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]</code><!-- @@ TODO: formal def -->,  
     or contains a leading <code class=char>U+0020</code> character,  
     a trailing <code class=char>U+0020</code> character, or a  
     sequence of two or more <code class=char>U+0020</code> characters,  
     then it is a  
     <a href="#xml-well-formedness-error" id=wfe-dt-public-id><code>xml-well-formedness-error</code></a>.</li>  
421      <li>If the <code>systemId</code> attribute value contains      <li>If the <code>systemId</code> attribute value contains
422      both <code>"</code> and <code>'</code> characters, it is a      both <code>"</code> and <code>'</code> characters, it is a
423      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>
424      <!-- publicId = non-null and systemId = null -->      <!-- publicId = non-null and systemId = null -->
425      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-dt-nc><var>n<sub><var>c</var></sub></var></dfn>
426      a node which is <em>not</em> <code>ProcessingInstruction</code> node,      in the <code>childNodes</code> list of <var>n</var>,
427      then it is a        <ol>
428      <a href="#xml-well-formedness-error" id=wfe-dt-child><code>xml-well-formedness-error</code></a>.        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> a
429      <span class=ed>@@ ref to manakai's extensions</span></li>        <code>ProcessingInstruction</code> node, then it is an
430      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <a href="#xml-well-formedness-error" id=wfe-dt-child><code>xml-well-formedness-error</code></a>.
431      which is different from <code>EntityReference</code> in        <span class=ed>@@ ref to manakai's extensions</span></li>
432      <code>childNodes</code> list of <var>n</var> recursively.</li>        <li>Otherwise, <!-- if n_c is not an EntityReference node, -->
433          <a href="#algorithm-to-check-a-node" title="check a node">check
434          <var>n<sub><var>c</var></sub></var></a> recusrively.</li>
435          </ol></li>
436      <li class=ed>@@ <code>entities</code>, <code>notations</code>,      <li class=ed>@@ <code>entities</code>, <code>notations</code>,
437      <code>elementTypes</code>, externally declared?</li>      <code>elementTypes</code>, externally declared?</li>
438      </ol>      </ol>
# Line 320  following:</p> Line 445  following:</p>
445      <li>If the <code>prefix</code> attribute value is different from      <li>If the <code>prefix</code> attribute value is different from
446      <code>null</code>, then <a href="#algorithm-to-validate-a-ncname">validate      <code>null</code>, then <a href="#algorithm-to-validate-a-ncname">validate
447      the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>      the <code>prefix</code> attribute value as an <code>NCName</code></a>.</li>
448      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-element-nc><var>n<sub><var>c</var></sub></var></dfn>
449      a node which is <em>not</em> <code>Element</code>,      in the <code>childNodes</code> list of <var>n</var>,
450      <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,        <ol>
451      <code>ProcessingInstruction</code>, or        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an
452      <code>EntityReference</code> node, then it is a        <code>Element</code>,
453      <a href="#xml-well-formedness-error" id=wfe-element-child><code>xml-well-formedness-error</code></a>.</li>        <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,
454      <li>If the <code>childNodes</code> list of <var>n</var> contains        <code>ProcessingInstruction</code>, or
455      an <code>EntityReference</code> node, it is an        <code>EntityReference</code> node, then it is an
456      <a href="#entity-error" id=ee-er-in-element><code>entity-error</code></a>.</li>        <a href="#xml-well-formedness-error" id=wfe-element-child><code>xml-well-formedness-error</code></a>.</li>
457      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an
458      which is different from <code>EntityReference</code> in        <code>EntityReference</code> node, then it is an
459      <code>childNodes</code> list of <var>n</var> recursively.</li>        <a href="#entity-error" id=ee-element-er><code>entity-error</code></a>.</li>
460          <li>Otherwise,
461          <a href="#algorithm-to-check-a-node" title="check a node">check
462          <var>n<sub><var>c</var></sub></var></a> recursively.</li>
463          </ol></li>
464      </ol>      </ol>
465    </dd>    </dd>
466  <dt>If <var>n</var> is an <code>ElementTypeDefinition</code> node</dt>  <dt>If <var>n</var> is an <code>ElementTypeDefinition</code> node</dt>
467    <dd class=ed></dd>    <dd>
468        <ol>
469        <li class=ed></li>
470        <li>If the <code>childNodes</code> list of <var>n</var> contains
471        any nodes, they are in
472        <a href="#xml-well-formedness-error" id=wfe-et-child><code>xml-well-formedness-error</code></a>.</li>
473        </ol>
474      </dd>
475  <dt>If <var>n</var> is an <code>Entity</code> node</dt>  <dt>If <var>n</var> is an <code>Entity</code> node</dt>
476    <dd>    <dd>
477      <ol>      <ol>
478      <li>An <a href="#entity-error" id=ee-entity-node><code>entity-error</code></a> <span class=ed>@@ if !notationName</span>.</li>      <li>An <a href="#entity-error" id=ee-entity-node><code>entity-error</code></a> <span class=ed>@@ if !notationName</span>.</li>
479      <li><a href="#algorithm-to-validate-a-ncname">Validate the      <li><a href="#algorithm-to-validate-a-ncname">Validate the
480      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>
481      <li>If the <code>publicId</code> attribute value contains any character      <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate
482      that is outside of the range of <code>#x20 | <!--#xD | #xA |-->      the <code>publicId</code> attribute value as a public identifier</a>.</li>
     [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]</code><!-- @@ TODO: formal def -->,  
     or contains a leading <code class=char>U+0020</code> character,  
     a trailing <code class=char>U+0020</code> character, or a  
     sequence of two or more <code class=char>U+0020</code> characters,  
     then it is a  
     <a href="#xml-well-formedness-error" id=wfe-dt-public-id><code>xml-well-formedness-error</code></a>.</li>  
483      <li>If the <code>systemId</code> attribute value contains      <li>If the <code>systemId</code> attribute value contains
484      both <code>"</code> and <code>'</code> characters, it is a      both <code>"</code> and <code>'</code> characters, it is a
485      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>
486      <!-- publicId = non-null and systemId = null -->      <!-- publicId = non-null and systemId = null -->
487      <li class=ed>@@ <code>notationName</code></li>      <li class=ed>@@ <code>notationName</code></li>
488      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-entity-nc><var>n<sub><var>c</var></sub></var></dfn>
489      a node which is <em>not</em> <code>Element</code>,      in the <code>childNodes</code> list of <var>n</var>,
490      <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,        <ol>
491      <code>ProcessingInstruction</code>, or        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an
492      <code>EntityReference</code> node, then it is a        <code>Element</code>,
493      <a href="#xml-well-formedness-error" id=wfe-entity-child><code>xml-well-formedness-error</code></a>.</li>        <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,
494      <li>If the <code>childNodes</code> list of <var>n</var> contains        <code>ProcessingInstruction</code>, or <code>EntityReference</code>
495      an <code>EntityReference</code> node, it is an        node, then it is an
496      <a href="#entity-error" id=ee-er-in-er><code>entity-error</code></a>.</li>        <a href="#xml-well-formedness-error" id=wfe-entity-child><code>xml-well-formedness-error</code></a>.</li>
497      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is an
498      which is different from <code>EntityReference</code> in        <code>EntityReference</code> node, then it is an
499      <code>childNodes</code> list of <var>n</var> recursively.</li>        <a href="#entity-error" id=ee-er-er><code>entity-error</code></a>.</li>
500          <li>Otherwise,
501          <a href="#algorithm-to-check-a-node" title="check a node">check
502          <var>n<sub><var>c</var></sub></var></a> recursively.</li>
503          </ol></li>
504      </ol>      </ol>
505    </dd>    </dd>
506  <dt>If <var>n</var> is an <code>EntityReference</code> node</dt>  <dt>If <var>n</var> is an <code>EntityReference</code> node</dt>
# Line 375  following:</p> Line 509  following:</p>
509      <li>An <a href="#entity-error" id=ee-er-node><code>entity-error</code></a>.</li>      <li>An <a href="#entity-error" id=ee-er-node><code>entity-error</code></a>.</li>
510      <li><a href="#algorithm-to-validate-a-ncname">Validate the      <li><a href="#algorithm-to-validate-a-ncname">Validate the
511      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>
512      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>For each node <dfn id=var-er-nc><var>n<sub><var>c</var></sub></var></dfn>
513      a node which is <em>not</em> <code>Element</code>,      in the <code>childNodes</code> list of <var>n</var>,
514      <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,        <ol>
515      <code>ProcessingInstruction</code>, or        <li>If <var>n<sub><var>c</var></sub></var> is <em>not</em> an
516      <code>EntityReference</code> node, then it is a        <code>Element</code>,
517      <a href="#xml-well-formedness-error" id=wfe-er-child><code>xml-well-formedness-error</code></a>.</li>        <code>Text</code>, <code>CDATASection</code>, <code>Comment</code>,
518      <li>If the <code>childNodes</code> list of <var>n</var> contains        <code>ProcessingInstruction</code>, or <code>EntityReference</code>
519      an <code>EntityReference</code> node, it is an        node, then it is an
520      <a href="#entity-error" id=ee-er-in-entity><code>entity-error</code></a>.</li>        <a href="#xml-well-formedness-error" id=wfe-er-child><code>xml-well-formedness-error</code></a>.</li>
521      <li><a href="#algorithm-to-check-a-node">Check each node</a>        <li>Otherwise, if <var>n<sub><var>c</var></sub></var> is <em>not</em> an
522      which is different from <code>EntityReference</code> in        <code>EntityReference</code> node, then it is an
523      <code>childNodes</code> list of <var>n</var> recursively.</li>        <a href="#entity-error" id=ee-entity-er><code>entity-error</code></a>.</li>
524          <li>Otherwise,
525          <a href="#algorithm-to-check-a-node" title="check a node">check
526          <var>n<sub><var>c</var></sub></var></a> recursively.</li>
527          </ol></li>
528      </ol>      </ol>
529    </dd>    </dd>
530  <dt>If <var>n</var> is a <code>Notation</code> node</dt>  <dt>If <var>n</var> is a <code>Notation</code> node</dt>
# Line 394  following:</p> Line 532  following:</p>
532      <ol>      <ol>
533      <li><a href="#algorithm-to-validate-a-ncname">Validate the      <li><a href="#algorithm-to-validate-a-ncname">Validate the
534      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>      <code>nodeName</code> attribute value as an <code>NCName</code></a>.</li>
535      <li>If the <code>publicId</code> attribute value contains any character      <li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate
536      that is outside of the range of <code>#x20 | <!--#xD | #xA |-->      the <code>publicId</code> attribute value as a public identifier</a>.</li>
     [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]</code><!-- @@ TODO: formal def -->,  
     or contains a leading <code class=char>U+0020</code> character,  
     a trailing <code class=char>U+0020</code> character, or a  
     sequence of two or more <code class=char>U+0020</code> characters,  
     then it is a  
     <a href="#xml-well-formedness-error" id=wfe-dt-public-id><code>xml-well-formedness-error</code></a>.</li>  
537      <li>If the <code>systemId</code> attribute value contains      <li>If the <code>systemId</code> attribute value contains
538      both <code>"</code> and <code>'</code> characters, it is a      both <code>"</code> and <code>'</code> characters, it is a
539      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>      <a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li>
540      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>If the <code>childNodes</code> list of <var>n</var> contains
541      any nodes, they are in      any nodes, they are in
542      <a href="#xml-well-formedness-error" id=wfe-notation-child><code>xml-well-formedness-error</code></a>s.</li>      <a href="#xml-well-formedness-error" id=wfe-notation-child><code>xml-well-formedness-error</code></a>.</li>
543      </ol>      </ol>
544    </dd>    </dd>
545  <dt>If <var>n</var> is a <code>ProcessingInstruction</code> node</dt>  <dt>If <var>n</var> is a <code>ProcessingInstruction</code> node</dt>
# Line 429  following:</p> Line 561  following:</p>
561      <a href="#round-trip-error" id=rte-pi-data><code>round-trip-error</code></a>.</li>      <a href="#round-trip-error" id=rte-pi-data><code>round-trip-error</code></a>.</li>
562      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>If the <code>childNodes</code> list of <var>n</var> contains
563      any nodes, they are in      any nodes, they are in
564      <a href="#xml-well-formedness-error" id=wfe-pi-child><code>xml-well-formedness-error</code></a>s.</li>      <a href="#xml-well-formedness-error" id=wfe-pi-child><code>xml-well-formedness-error</code></a>.</li>
565      </ol>      </ol>
566    </dd>    </dd>
567  <dt>If <var>n</var> is a <code>Text</code> node</dt>  <dt>If <var>n</var> is a <code>Text</code> node</dt>
# Line 440  following:</p> Line 572  following:</p>
572      data</a>.</li>      data</a>.</li>
573      <li>If the <code>childNodes</code> list of <var>n</var> contains      <li>If the <code>childNodes</code> list of <var>n</var> contains
574      any nodes, they are in      any nodes, they are in
575      <a href="#xml-well-formedness-error" id=wfe-text-child><code>xml-well-formedness-error</code></a>s.</li>      <a href="#xml-well-formedness-error" id=wfe-text-child><code>xml-well-formedness-error</code></a>.</li>
576      </ol>      </ol>
577    </dd>    </dd>
578  <dt>Otherwise</dt>  <dt>Otherwise</dt>
579    <dd><span class=ed>xml-well-formedness-error?  unknown-error?</span></dd>    <dd><span class=ed>xml-well-formedness-error?  unknown-error?</span></dd>
580  </dl>  </dl>
581    
 <p>The algorithm  
 <dfn id=algorithm-to-validate-an-xml-character-data title-"to validate an XML character data">to  
 validate an <abbr>XML</abbr> character data  
 (<dfn id=var-s><var>s</var></dfn>)</dfn> is defined as following:</p>  
 <ol>  
 <li class=ed>@@</li>  
 </ol>  
   
 <p>The algorithm  
 <dfn id=algorithm-to-validate-a-name title="to validate a Name">to validate a  
 <code>Name</code> (<dfn id=var-name><var>name</var></dfn>)</dfn> is defined  
 as following:</p>  
 <ol>  
 <li class=ed>@@</li>  
 </ol>  
   
 <p>The algorithm  
 <dfn id=algorithm-to-validate-a-ncname title="to validate an NCName">to  
 validate an <code>NCName</code> (<dfn id=var-name><var>name</var></dfn>)</dfn>  
 is defined as following:</p>  
 <ol>  
 <li class=ed>@@</li>  
 </ol>  
   
582  </div>  </div>
583    
584  <div class="section" id="examples">  </div>
 <h2>Examples</h2>  
   
 <p class=section-info>This section is <em>non$B!>(Bnormative</em>.</p>  
   
 <div class="ed issue">  
585    
586  <div class="example figure block">  <div id=classes class=section>
587  <div class="caption">...</div>  <h2>Character Classes</h2>
588    
589  <pre><code>...</code></pre>  <p>This section defines a couple of character classes.
590  </div>  These classes are referred to by algorithms specified above.</p>
591    
592    <p>Character class <dfn id=class-Char10><code>Char10</code></dfn>
593    contains the following characters:</p>
594    <ul>
595    <li><code class=char>U+0009</code> <code class=charname>CHARACTER
596    TABULATION</code></li>
597    <li><code class=char>U+000A</code> <code class=charname>LINE FEED</code></li>
598    <li><code class=char>U+000D</code> <code class=charname>CARRIAGE
599    RETURN</code></li>
600    <li><code class=char>U+0020</code> <code class=charname>SPACE</code>
601    .. <code class=char>U+D7FF</code></li>
602    <li><code class=char>U+E000</code> .. <code class=char>U+FFFD</code>
603    <code class=charname>REPLACEMENT CHARACTER</code></li>
604    <li><code class=char>U+10000</code> .. <code class=char>U+10FFFF</code></li>
605    </ul>
606    <div class="note memo">
607    <p>This character class contains all characters allowed in the production rule
608    <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-Char"><code>Char</code></a>
609    of <abbr>XML</abbr> 1.0
610    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>.</p>
611    </div>
612    
613    <p>Character class <dfn id=class-CompatChar10><code>CompatChar10</code></dfn>
614    contains the following characters:</p>
615    <ul>
616    <li class=ed>@@ <q>Document authors are encouraged to avoid "compatibility characters", as defined in section 6.8 of [Unicode @@ Unicode 2.0 @@] (see also D21 in section 3.6 of [Unicode3]).</q></li>
617    </ul>
618    
619    <p>Character class <dfn id=class-ControlChar10><code>ControlChar10</code></dfn>
620    contains the following characters:</p>
621    <ul>
622    <li><code class=char>U+007F</code> <code class=charname>DELETE</code> ..
623    <code class=char>U+0084</code> <code class=charname>INDEX</code></li>
624    <li><code class=char>U+0086</code> <code class=charname>START OF SELECTED
625    AREA</code> .. <code class=char>U+009F</code> <code class=charname>APPLICATION
626    PROGRAM COMMAND</code></li>
627    <li><code class=char>U+FDD0</code> .. <code class=char>U+FDEF</code></li>
628    <li><code class=char>U+1FFFE</code> .. <code class=char>U+1FFFF</code></li>
629    <li><code class=char>U+2FFFE</code> .. <code class=char>U+2FFFF</code></li>
630    <li><code class=char>U+3FFFE</code> .. <code class=char>U+3FFFF</code></li>
631    <li><code class=char>U+4FFFE</code> .. <code class=char>U+4FFFF</code></li>
632    <li><code class=char>U+5FFFE</code> .. <code class=char>U+5FFFF</code></li>
633    <li><code class=char>U+6FFFE</code> .. <code class=char>U+6FFFF</code></li>
634    <li><code class=char>U+7FFFE</code> .. <code class=char>U+7FFFF</code></li>
635    <li><code class=char>U+8FFFE</code> .. <code class=char>U+8FFFF</code></li>
636    <li><code class=char>U+9FFFE</code> .. <code class=char>U+9FFFF</code></li>
637    <li><code class=char>U+AFFFE</code> .. <code class=char>U+AFFFF</code></li>
638    <li><code class=char>U+BFFFE</code> .. <code class=char>U+BFFFF</code></li>
639    <li><code class=char>U+CFFFE</code> .. <code class=char>U+CFFFF</code></li>
640    <li><code class=char>U+DFFFE</code> .. <code class=char>U+DFFFF</code></li>
641    <li><code class=char>U+EFFFE</code> .. <code class=char>U+EFFFF</code></li>
642    <li><code class=char>U+FFFFE</code> .. <code class=char>U+FFFFF</code></li>
643    <li><code class=char>U+10FFFE</code> .. <code class=char>U+10FFFF</code></li>
644    </ul>
645    <div class="note memo">
646    <p>This character class contains the characters listed in the Note in
647    <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#charsets">Section 2.2</a>
648    of <abbr>XML</abbr> 1.0
649    <cite class="bibref normative">[<a href="#ref-XML10">XML10</a>]</cite>,
650    as amended by
651    <a href="http://www.w3.org/XML/xml-V10-4e-errata#E02">errata</a>.</p>
652  </div>  </div>
653    
654  </div>  </div>
# Line 497  is defined as following:</p> Line 660  is defined as following:</p>
660  <h3>Normative References</h3>  <h3>Normative References</h3>
661    
662  <dl>  <dl>
663    <dt id=ref-DOM3CORE>DOM3CORE</dt>
664      <dd class=ed>@@ W3C DOM Level 3 Core</dd>
665    <dt id=ref-DOMDTDEF>DOMDTDEF</dt>
666      <dd class=ed>@@ manakai's extension to DOM for document type definitions</dd>
667  <dt id="ref-KEYWORDS">KEYWORDS</dt>  <dt id="ref-KEYWORDS">KEYWORDS</dt>
668    <dd><cite><a href="urn:ietf:rfc:2119">Key words for use in    <dd><cite><a href="urn:ietf:rfc:2119">Key words for use in
669    <abbr>RFCs</abbr> to Indicate Requirement Levels</a></cite>,    <abbr>RFCs</abbr> to Indicate Requirement Levels</a></cite>,
# Line 559  is defined as following:</p> Line 726  is defined as following:</p>
726    <abbr title="World Wide Web Consortium">W3C</abbr>$B!>(Bpublished    <abbr title="World Wide Web Consortium">W3C</abbr>$B!>(Bpublished
727    version of the specification is available at    version of the specification is available at
728    <code class=URI>&lt;<a href="http://www.w3.org/TR/xbl/">http://www.w3.org/TR/xbl/</a>></code>.</dd>    <code class=URI>&lt;<a href="http://www.w3.org/TR/xbl/">http://www.w3.org/TR/xbl/</a>></code>.</dd>
729    <dt id=ref-XML5>XML5</dt>
730      <dd class=ed>@@</dd>
731  </dl>  </dl>
732  </div>  </div>
733    
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