/[pub]/test/html-webhacc/error-description-source.xml
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revision 1.11 by wakaba, Mon Sep 10 11:51:09 2007 UTC revision 1.14 by wakaba, Wed Nov 7 11:29:46 2007 UTC
# Line 273  Web Document Conformance Checker (BETA)< Line 273  Web Document Conformance Checker (BETA)<
273      <code>embed</code>, <code>param</code>, <code>area</code>,      <code>embed</code>, <code>param</code>, <code>area</code>,
274      <code>col</code>, and <code>input</code> elements.</p>      <code>col</code>, and <code>input</code> elements.</p>
275    
276      <dl>      <dl class="switch">
277      <dt><code>&lt;script/></code></dt>      <dt><code>&lt;script/></code></dt>
278          <dd><p>The polytheistic slash cannot be used for <code>script</code>          <dd><p>The polytheistic slash cannot be used for <code>script</code>
279          element.  Even for an empty <code>script</code> element,          element.  Even for an empty <code>script</code> element,
# Line 289  Web Document Conformance Checker (BETA)< Line 289  Web Document Conformance Checker (BETA)<
289          <dd>These elements are themselves non-conforming.</dd>          <dd>These elements are themselves non-conforming.</dd>
290      <!-- isindex, image -->      <!-- isindex, image -->
291      <dt><code>&lt;command/></code>, <code>&lt;event-source/></code>,      <dt><code>&lt;command/></code>, <code>&lt;event-source/></code>,
292      <code>&lt;source/></code></dt>      <code>&lt;nest/></code>, or <code>&lt;source/></code></dt>
293          <dd>Future revision of HTML5 parsing algorithm is expected          <dd>Future revision of HTML5 parsing algorithm is expected
294          to allow polytheistic slash for these elements.</dd>          to allow polytheistic slash for these elements.</dd>
295      <dt><code>&lt;a/></code>, <code>&lt;p/></code></dt>      <dt><code>&lt;a/></code>, <code>&lt;p/></code></dt>
# Line 314  Web Document Conformance Checker (BETA)< Line 314  Web Document Conformance Checker (BETA)<
314      (<code>&lt;?xml-stylesheet <var>...</var>?></code>), are not allowed      (<code>&lt;?xml-stylesheet <var>...</var>?></code>), are not allowed
315      in the HTML syntax.  The document is non-conforming.</p>      in the HTML syntax.  The document is non-conforming.</p>
316    
317      <dl>      <dl class="switch">
318        <dt><code>&lt;?xbl?></code> (<abbr>XBL</abbr> Association)</dt>
319          <dd>An <abbr>XBL</abbr> binding cannot be associated by
320          <abbr title="processing instruction">PI</abbr> in <abbr>HTML</abbr>
321          document.  Use <code>binding</code> property in <abbr>CSS</abbr>
322          style sheet.</dd>
323      <dt><code>&lt;?xml?&gt;</code> (XML declaration)</dt>      <dt><code>&lt;?xml?&gt;</code> (XML declaration)</dt>
324          <dd>XML declaration is unnecessary for HTML documents.</dd>          <dd>XML declaration is unnecessary for HTML documents.</dd>
325      <dt><code>&lt;?xml-stylesheet?></code> (XML style sheet      <dt><code>&lt;?xml-stylesheet?></code> (XML style sheet
326      <abbr title="processing instruction">PI</abbr></dt>      <abbr title="processing instruction">PI</abbr>)</dt>
327          <dd>Use HTML <code>link</code> element with <code>rel</code>          <dd>Use HTML <code>link</code> element with <code>rel</code>
328          attribute set to <code>stylesheet</code> (or,          attribute set to <code>stylesheet</code> (or,
329          <code>alternate stylesheet</code> for an alternate style          <code>alternate stylesheet</code> for an alternate style
330          sheet).</dd>          sheet).</dd>
331      <dt><code>&lt;?php?&gt;</code> (PHP code)</dt>      <dt><code>&lt;?php?&gt;</code> or
332        <code>&lt;? <var>... <abbr>PHP</abbr> code ...</var> ?&gt;</code>
333        (<abbr>PHP</abbr> code)</dt>
334          <dd>The conformance checker does <em>not</em> support          <dd>The conformance checker does <em>not</em> support
335          checking for PHP source documents.</dd>          checking for PHP source documents.</dd>
336      <dt>Other processing instructions</dt>      <dt>Other processing instructions</dt>
# Line 470  Web Document Conformance Checker (BETA)< Line 477  Web Document Conformance Checker (BETA)<
477      </p>      </p>
478    
479      <p>Only white space characters and comments are allowed      <p>Only white space characters and comments are allowed
480      before the <code>DOCTYPE</code>.</p>      before the <code>DOCTYPE</code>.  XML declaration is <em>not</em>
481        allowed in HTML document.</p>
482    </d:desc>    </d:desc>
483  </d:item>  </d:item>
484    
# Line 493  Web Document Conformance Checker (BETA)< Line 501  Web Document Conformance Checker (BETA)<
501      For any element except for void element, there must be an explicit      For any element except for void element, there must be an explicit
502      end tag.</p>      end tag.</p>
503    
504        <dl class="switch">
505        <dt>HTML <code>canvas</code> element</dt>
506          <dd>Though the element is void in earlier versions of Safari,
507          the <code>canvas</code> element is <em>no</em> longer
508          defined as empty.  There must be an end tag
509          <code>&lt;/canvas></code>.</dd>
510        </dl>
511    
512      <p>Note that misnesting tags, such as      <p>Note that misnesting tags, such as
513      <code class="bad example">&lt;a>&lt;b>&lt;/a>&lt;/b></code>, are not      <code class="bad example">&lt;a>&lt;b>&lt;/a>&lt;/b></code>, are not
514      allowed and they also cause this error.</p>      allowed and they also cause this error.</p>
# Line 544  Web Document Conformance Checker (BETA)< Line 560  Web Document Conformance Checker (BETA)<
560    
561      <p>For any end tag in HTML document, there must be a      <p>For any end tag in HTML document, there must be a
562      corresponding start tag.</p>      corresponding start tag.</p>
563    
564        <dl class="switch">
565        <dt>HTML <code>base</code>, <code>basefont</code>,
566        <code>bgsound</code>, <code>br</code>, <code>col</code>,
567        <code>embed</code>, <code>frame</code>, <code>hr</code>,
568        <code>image</code>, <code>img</code>, <code>input</code>,
569        <code>isindex</code>, <code>link</code>, <code>meta</code>,
570        <code>param</code>, <code>spacer</code>, or <code>wbr</code> element</dt>
571          <dd>End tag is not allowed for these elements, since
572          those content must always be empty.  Remove end tag.</dd>
573        <!-- keygen -->
574        <!-- command, event-source, nest, source -->
575        </dl>
576    </d:desc>    </d:desc>
577  </d:item>  </d:item>
578    
# Line 588  Web Document Conformance Checker (BETA)< Line 617  Web Document Conformance Checker (BETA)<
617      must contain a <code><var>$0</var></code> child element.      must contain a <code><var>$0</var></code> child element.
618      The document is non-conforming.</p>      The document is non-conforming.</p>
619    
620      <p>For example:      <dl class="switch">
621        <ul>      <dt>HTML <code>head</code> element</dt>
622        <li>The <code>head</code> element must contain exactly one        <dd>There must be a <code>title</code> child element.</dd>
623        <code>title</code> child element.</li>      <dt>HTML <code>html</code> element</dt>
624        <li><a href="#child-element-missing:td%7Cth">The <code>tr</code>        <dd>There must be a <code>head</code> child element followed
625        element must contain one or more <code>td</code> or <code>th</code>        by a <code>body</code> element.</dd>
626        child element.</a></li>      <dt>HTML <code>tr</code> element</dt>
627        </ul>        <dd><a href="#child-element-missing:td%7Cth">There must be
628      </p>        one or more <code>td</code> or <code>th</code> child element.</a></dd>
629        </dl>
630    </d:desc>    </d:desc>
631  </d:item>  </d:item>
632    
# Line 660  Web Document Conformance Checker (BETA)< Line 690  Web Document Conformance Checker (BETA)<
690            and in the <code>head</code> element.            and in the <code>head</code> element.
691            It cannot be used in e.g. <code>ul</code>, <code>table</code>,            It cannot be used in e.g. <code>ul</code>, <code>table</code>,
692            or <code>select</code>.</dd>            or <code>select</code>.</dd>
       <dt>If the element with the error is the <code>html</code> element  
       that is the root element of an XHTML document</dt>  
           <dd><p>In an XHTML document, the root <code>html</code>  
           element must have an <code>xmlns</code> attribute  
           whose value is set to  
           <code>http://www.w3.org/1999/xhtml</code>.</p></dd>  
693        <dt>If the element with the error is <code>blink</code>,        <dt>If the element with the error is <code>blink</code>,
694        <code>center</code>, or <code>marquee</code> element</dt>        <code>center</code>, or <code>marquee</code> element</dt>
695            <dd>These elements are not part of the HTML standard.            <dd>These elements are not part of the HTML standard.
# Line 685  Web Document Conformance Checker (BETA)< Line 709  Web Document Conformance Checker (BETA)<
709    </d:desc>    </d:desc>
710  </d:item>  </d:item>
711    
712    <d:item name="element not allowed:root"
713        class="content-model-error">
714      <d:message xml:lang="en">This element is not allowed as a root
715      element.</d:message>
716      <d:desc xml:lang="en">
717        <p>An element that is not allowed as the root element
718        is used as the root element of the document.  The document is
719        non-conforming, as far as the conformance checker can tell.</p>
720    
721        <dl class="switch">
722        <dt><code>html</code> element in an XHTML document</dt>
723            <dd><p>In an XHTML document, the root <code>html</code>
724            element must have an <code>xmlns</code> attribute
725            whose value is set to
726            <code>http://www.w3.org/1999/xhtml</code>.</p></dd>
727        <dt><code>rss</code> element</dt>
728            <dd><p>The document is written in some version of RSS.</p>
729            <p>The conformance checker does not support any version
730            of RSS.  Use Atom 1.0 for feed documents.</p></dd>
731        <dt><code>feed</code> element</dt>
732            <dd><p>The Atom <code>feed</code> element must be
733            in the <code>http://www.w3.org/2004/Atom</code>
734            namespace.</p>
735            <p>The conformance checker does not support Atom 0.3.
736            Use Atom 1.0 for feed documents.</p></dd>
737        </dl>
738      </d:desc>
739    </d:item>
740    
741  <d:item name="ps element missing"  <d:item name="ps element missing"
742      class="content-model-error">      class="content-model-error">
743    <d:message xml:lang="en">There is no <code><var>$0</var></code>    <d:message xml:lang="en">There is no <code><var>$0</var></code>
# Line 852  Web Document Conformance Checker (BETA)< Line 905  Web Document Conformance Checker (BETA)<
905    </d:desc>    </d:desc>
906  </d:item>  </d:item>
907    
908    <d:item name="enumerated:invalid:http-equiv:content-type"
909        class="attribute-value-error">
910      <d:message xml:lang="en">Charset declaration syntax
911      <code>&lt;meta http-equiv="Content-Type" content="text/html; charset=<var>charset-name</var>"></code>
912      is obsolete.</d:message>
913      <d:desc xml:lang="en">
914        <p>Old long charset declaration syntax
915        <code>&lt;meta http-equiv="Content-Type" content="text/html; charset=<var>charset-name</var>"></code>
916        is in use.  The document is non‐conforming.</p>
917    
918        <p>The new charset declaration syntax is:
919          <pre><code>&lt;meta charset="<var>charset-name</var>"></code></pre>
920        </p>
921      </d:desc>
922    </d:item>
923    
924  <d:item name="duplicate ID"  <d:item name="duplicate ID"
925      class="attribute-value-error">      class="attribute-value-error">
926    <d:message xml:lang="en">This identifier has already been    <d:message xml:lang="en">This identifier has already been
# Line 884  Web Document Conformance Checker (BETA)< Line 953  Web Document Conformance Checker (BETA)<
953      <p>The specified link type is non-conforming, and therefore      <p>The specified link type is non-conforming, and therefore
954      the document is non-conforming.</p>      the document is non-conforming.</p>
955    
956      <dl>      <dl class="switch">
957      <dt>Link type <code>contents</code></dt>      <dt>Link type <code>contents</code></dt>
958        <dd>Use link type <code>index</code>.</dd>        <dd>Use link type <code>index</code>.</dd>
959      <dt>Link type <code>copyright</code></dt>      <dt>Link type <code>copyright</code></dt>
960        <dd>Use link type <code>license</code>.</dd>        <dd>Use link type <code>license</code>.</dd>
961      <dt>Link type <code>home</code></dt>      <dt>Link type <code>home</code></dt>
962        <dd>Use link type <code>index</code>.</dd>        <dd>Use link type <code>index</code>.</dd>
963        <dt>Link type <code>previous</code></dt>
964          <dd>Use link type <code>prev</code>.</dd>
965      <dt>Link type <code>start</code></dt>      <dt>Link type <code>start</code></dt>
966        <dd>Use link type <code>first</code>.</dd>        <dd>Use link type <code>first</code>.</dd>
967      <dt>Link type <code>toc</code></dt>      <dt>Link type <code>toc</code> or <code>top</code></dt>
968        <dd>Use link type <code>index</code>.</dd>        <dd>Use link type <code>index</code>.</dd>
969      </dl>      </dl>
970    </d:desc>    </d:desc>
# Line 936  Web Document Conformance Checker (BETA)< Line 1007  Web Document Conformance Checker (BETA)<
1007    
1008      <p><strong>Warning</strong>: The data served to the      <p><strong>Warning</strong>: The data served to the
1009      conforming checker might be out of date; it might have already      conforming checker might be out of date; it might have already
1010      been accepted or rejected, depending on which the document      been accepted or rejected.  The document might or might not be
1011      might be conforming or non-conforming.  See WHATWG Wiki      conforming depending on the status.  See WHATWG Wiki
1012      for the latest information.</p>      for the latest information.</p>
1013    </d:desc>    </d:desc>
1014  </d:item>  </d:item>
# Line 991  Web Document Conformance Checker (BETA)< Line 1062  Web Document Conformance Checker (BETA)<
1062      class="should" level="s">      class="should" level="s">
1063    <d:message xml:lang="en"><code><var>{@}</var></code>: An <em>obsolete</em>    <d:message xml:lang="en"><code><var>{@}</var></code>: An <em>obsolete</em>
1064    subtype is used.</d:message>    subtype is used.</d:message>
1065      <d:item xml:lang="en">
1066        <p>The specified Internet Media Type is registered with status
1067        of <i>OBSOLETE</i>.</p><!-- @@ SHOULD NOT? -->
1068        
1069        <dl class="swtich">
1070        <dt>Media type <code>text/ecmascript</code></dt>
1071          <dd>Media type <code>text/ecmascript</code> is obsoleted in
1072          favor of <code>application/ecmascript</code>.  Note that
1073          <code>text/javascript</code> would be better alternative
1074          for many cases.</dd>
1075        <dt>Media type <code>text/javascript</code></dt>
1076          <dd>Media type <code>text/javascript</code> is obsoleted by
1077          <abbr>IETF</abbr> with backward incompatible alternate
1078          <code>application/javascript</code> for architectural
1079          purity.<!-- @@ ref? -->  Realist may ignore this warning.</dd>
1080        </dl>
1081      </d:item>
1082  </d:item>  </d:item>
1083    
1084  <d:item name="IMT:private subtype"  <d:item name="IMT:private subtype"
# Line 1055  Web Document Conformance Checker (BETA)< Line 1143  Web Document Conformance Checker (BETA)<
1143      class="should" level="s">      class="should" level="s">
1144    <d:message xml:lang="en">This IRI does not end with    <d:message xml:lang="en">This IRI does not end with
1145    a <code>/</code>.</d:message>    a <code>/</code>.</d:message>
1146      <d:item xml:lang="en">
1147        <p>The IRI does not end with a <code>/</code>.  If there is an
1148        authority component in an IRI, a <code>/</code> should be present
1149        instead of empty path component.</p>
1150    
1151        <p>For example, <code>http://www.example.com<strong>/</strong></code>
1152        is preferred to <code>http://www.example.com</code>.</p>
1153      </d:item>
1154  </d:item>  </d:item>
1155    
1156  <d:item name="URI::lowercase hexadecimal digit"  <d:item name="URI::lowercase hexadecimal digit"
# Line 1101  Web Document Conformance Checker (BETA)< Line 1197  Web Document Conformance Checker (BETA)<
1197    
1198  </section>  </section>
1199    
1200    <section id="cache-manifest-errors">
1201    <h2>Cache Manifest Errors</h2>
1202    
1203    <d:item name="not manifest" class="must" level="m">
1204      <d:message xml:lang="en">This document is not a cache manifest.</d:message>
1205      <d:desc xml:lang="en">
1206        <p>The specified document is <em>not</em> a cache manifest.
1207        The document is non-conforming.</p>
1208    
1209        <p>An entity labeled as Internet media type
1210        <code>text/cache-manifest</code> must contain a cache manifest.</p>
1211    
1212        <p>A cache manifest must start with a line whose content is
1213        <code>CACHE MANIFEST</code> (exactly one space character between
1214        <code>CACHE</code> and <code>MANIFEST</code>).</p>
1215      </d:desc>
1216    </d:item>
1217    </section>
1218    
1219  <section id="unsupported-messages">  <section id="unsupported-messages">
1220  <h2><i>Unsupported</i> Messages</h2>  <h2><i>Unsupported</i> Messages</h2>
1221    
# Line 1159  Web Document Conformance Checker (BETA)< Line 1274  Web Document Conformance Checker (BETA)<
1274    is not supported; <em>it might or might not be conforming.</em></d:message>    is not supported; <em>it might or might not be conforming.</em></d:message>
1275  </d:item>  </d:item>
1276    
 <d:item name="language tag"  
     class="unsupported" level="unsupported">  
   <d:message xml:lang="en">Conformance checking for language tag  
   is not supported; <em>it might or might not be conforming.</em></d:message>  
 </d:item>  
   
1277  <d:item name="media query"  <d:item name="media query"
1278      class="unsupported" level="unsupported">      class="unsupported" level="unsupported">
1279    <d:message xml:lang="en">Conformance checking for media query    <d:message xml:lang="en">Conformance checking for media query
# Line 1196  manakaiIsHTML:1;;HTML Document Line 1305  manakaiIsHTML:1;;HTML Document
1305  manakaiIsHTML:0;;XML Document  manakaiIsHTML:0;;XML Document
1306  </d:catalog>  </d:catalog>
1307    
1308    <section id="levels">
1309    <h2>Error Levels</h2>
1310    
1311    <table id="levels-table">
1312    <thead>
1313    <tr><th scope="col">Level</th>
1314    <th scope="col">Conforming?</th>
1315    <th scope="col">Description</th>
1316    </tr>
1317    </thead>
1318    <tbody>
1319    <tr id="level-m" class="level-m">
1320    <th scope="row"><em class="rfc2119">MUST</em>‐level error</th>
1321    <td>Non‐conforming.</td>
1322    <td>A violation to a hard requirement of the specification.
1323    The document is non‐conforming.</td>
1324    </tr>
1325    <tr id="level-s" class="level-s">
1326    <th scope="row"><em class="rfc2119">SHOULD</em>‐level error</th>
1327    <td>Non‐conforming, but <em>in some case</em>
1328    conforming.</td>
1329    <td>A violation to a requirement of the specification.
1330    The violation might be legitimize in some case.  Otherwise,
1331    the document is non‐conforming.</td>
1332    </tr>
1333    <tr id="level-w" class="level-w">
1334    <th scope="row">Warning</th>
1335    <td>Conforming.</td>
1336    <td>A warning is an advice from the conformance checker to avoid
1337    to solve a problem in a confusing or possibly wrong way.
1338    It does not affect to the conformance of the document, and
1339    may sometimes be inappropriate.</td>
1340    </tr>
1341    <tr id="level-unsupported" class="level-unsupported">
1342    <th scope="row">Not supported</th>
1343    <td><em>Unknown</em>.</td>
1344    <td>Some feature that is not supported by the conformance checker
1345    is used in the document.</td>
1346    </tr>
1347    </tbody>
1348    </table>
1349    </section>
1350    
1351  <section id="license">  <section id="license">
1352  <h2>License of This Document</h2>  <h2>License of This Document</h2>
1353    
1354  <p>Copyright 2007 <a href="http://suika.fam.cx/~wakaba/who?" rel="author" xml:lang="ja">Wakaba</a></p>  <p>Copyright <time>2007</time>
1355    <a href="http://suika.fam.cx/~wakaba/who?" rel="author" xml:lang="ja">Wakaba</a>
1356    <code class="mail">&lt;<a href="mailto:w@suika.fam.cx">w@suika.fam.cx</a>></code>.</p>
1357    
1358  <p>This document is free software; you can redistribute it  <p>This document is free software; you can redistribute it
1359  and/or modify it under the same terms as Perl itself.</p>  and/or modify it under the same terms as Perl itself.</p>
1360  </section>  </section>
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