W3C home > Mailing lists > Public > public-html-diffs@w3.org > July 2009

hixie: Change the transition approach from 'downplayed error' to 'conforming with warning'. (whatwg r3378)

From: poot <cvsmail@w3.org>
Date: Wed, 8 Jul 2009 17:22:14 +0900 (JST)
To: public-html-diffs@w3.org
Message-Id: <20090708082214.E3B502BC5F@toro.w3.mag.keio.ac.jp>
hixie: Change the transition approach from 'downplayed error' to
'conforming with warning'. (whatwg r3378)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.2509&r2=1.2510&f=h
http://html5.org/tools/web-apps-tracker?from=3377&to=3378

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2509
retrieving revision 1.2510
diff -u -d -r1.2509 -r1.2510
--- Overview.html	8 Jul 2009 07:00:55 -0000	1.2509
+++ Overview.html	8 Jul 2009 08:21:45 -0000	1.2510
@@ -1151,13 +1151,16 @@
      <li><a href="#selectors"><span class="secno">11.8.1 </span>Selectors</a></ol></ol></li>
  <li><a href="#obsolete-features"><span class="secno">12 </span>Obsolete features</a>
   <ol>
-   <li><a href="#self-contained-features"><span class="secno">12.1 </span>Self-contained features</a>
+   <li><a href="#conforming-but-obsolete-features"><span class="secno">12.1 </span>Conforming but obsolete features</a>
     <ol>
-     <li><a href="#the-applet-element"><span class="secno">12.1.1 </span>The <code>applet</code> element</a></li>
-     <li><a href="#the-marquee-element-0"><span class="secno">12.1.2 </span>The <code>marquee</code> element</a></li>
-     <li><a href="#frames"><span class="secno">12.1.3 </span>Frames</a></ol></li>
-   <li><a href="#other-elements-attributes-and-apis"><span class="secno">12.2 </span>Other elements, attributes and APIs</a></li>
-   <li><a href="#conformance-checkers-0"><span class="secno">12.3 </span>Conformance checkers</a></ol></li>
+     <li><a href="#warnings-for-obsolete-but-conforming-features"><span class="secno">12.1.1 </span>Warnings for obsolete but conforming features</a></ol></li>
+   <li><a href="#non-conforming-features"><span class="secno">12.2 </span>Non-conforming features</a></li>
+   <li><a href="#requirements-for-implementations"><span class="secno">12.3 </span>Requirements for implementations</a>
+    <ol>
+     <li><a href="#the-applet-element"><span class="secno">12.3.1 </span>The <code>applet</code> element</a></li>
+     <li><a href="#the-marquee-element-0"><span class="secno">12.3.2 </span>The <code>marquee</code> element</a></li>
+     <li><a href="#frames"><span class="secno">12.3.3 </span>Frames</a></li>
+     <li><a href="#other-elements-attributes-and-apis"><span class="secno">12.3.4 </span>Other elements, attributes and APIs</a></ol></ol></li>
  <li><a href="#no"><span class="secno">13 </span>Things that you can't do with this specification because
   they are better handled using other technologies that are further
   described herein</a>
@@ -9767,10 +9770,10 @@
     <ul class="brief"><li>the <code><a href="#script">script</a></code> element has a <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute and its value is
      the empty string, or</li>
 
-     <li>the <code><a href="#script">script</a></code> element has no <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute but it has a <code title="attr-script-language">language</code> attribute and
+     <li>the <code><a href="#script">script</a></code> element has no <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute but it has a <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute and
      <em>that</em> attribute's value is the empty string, or</li>
 
-     <li>the <code><a href="#script">script</a></code> element has neither a <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute nor a <code title="attr-script-language">language</code> attribute, then</li>
+     <li>the <code><a href="#script">script</a></code> element has neither a <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute nor a <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute, then</li>
 
     </ul><p>...let <var><a href="#the-script-block-s-type">the script block's type</a></var> for this
     <code><a href="#script">script</a></code> element be "<code title="">text/javascript</code>".</p>
@@ -9779,13 +9782,13 @@
     script block's type</a></var> for this <code><a href="#script">script</a></code> element be
     the value of that attribute.</p>
 
-    <p>Otherwise, the element has a non-empty <code title="attr-script-language">language</code> attribute; let
+    <p>Otherwise, the element has a non-empty <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute; let
     <var><a href="#the-script-block-s-type">the script block's type</a></var> for this <code><a href="#script">script</a></code>
-    element be the concatenation of the string "<code title="">text/</code>" followed by the value of the <code title="attr-script-language">language</code> attribute.</p> <!--
+    element be the concatenation of the string "<code title="">text/</code>" followed by the value of the <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute.</p> <!--
     user agents already support, e.g., type="text/javascript1.3", so
     we don't have to support that separately. -->
 
-    <p class="note">The <code title="attr-script-language">language</code> attribute is never
+    <p class="note">The <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute is never
     conforming, and is always ignored if there is a <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute present.</p>
 
    </li>
@@ -55107,17 +55110,48 @@
    <dt>A DOCTYPE token</dt>
    <dd>
 
-    <p>If the DOCTYPE token's <code title="">name</code> is not a
-    <a href="#case-sensitive">case-sensitive</a> match for the string "<code title="">html</code>", or if the token's public identifier is not
-    missing, or if the token's system identifier is neither missing
-    nor a <a href="#case-sensitive">case-sensitive</a> match for the string
-    "<code>about:legacy-compat</code>", then there is a <a href="#parse-error">parse
-    error</a> (this is the <dfn id="doctype-parse-error">DOCTYPE parse
-    error</dfn>). Conformance checkers may, instead of reporting this
-    error, switch to a conformance checking mode for another language
-    (e.g. based on the DOCTYPE token a conformance checker could
-    recognize that the document is an HTML4-era document, and defer to
-    an HTML4 conformance checker.)</p>
+    <p>If the DOCTYPE token's name is not a
+    <a href="#case-sensitive">case-sensitive</a> match for the string "<code title="">html</code>", or the token's public identifier is not
+    missing, or the token's system identifier is neither missing nor a
+    <a href="#case-sensitive">case-sensitive</a> match for the string
+    "<code>about:legacy-compat</code>", and none of the sets of
+    conditions in the following list are matched, then there is a
+    <a href="#parse-error">parse error</a>. If one of the sets of conditions in the
+    following list is matched, then there is an <dfn id="obsolete-permitted-doctype">obsolete
+    permitted DOCTYPE</dfn>.</p>
+
+    <ul><!-- only things that trigger no-quirks mode and were valid in
+     some other spec are allowed in this list --><li>The DOCTYPE token's name is an <a href="#ascii-case-insensitive">ASCII
+     case-insensitive</a> match for the string "<code title="">HTML</code>", the token's public identifier is the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;HTML&nbsp;4.0//EN</code>", and the
+     token's system identifier is either missing or the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/REC-html40/strict.dtd</code>".</li>
+
+     <li>The DOCTYPE token's name is an <a href="#ascii-case-insensitive">ASCII
+     case-insensitive</a> match for the string "<code title="">HTML</code>", the token's public identifier is the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;HTML&nbsp;4.01//EN</code>", and the
+     token's system identifier is either missing or the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/html4/strict.dtd</code>".</li>
+
+     <li>The DOCTYPE token's name is an <a href="#ascii-case-insensitive">ASCII
+     case-insensitive</a> match for the string "<code title="">HTML</code>", the token's public identifier is the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;XHTML&nbsp;1.0&nbsp;Strict//EN</code>",
+     and the token's system identifier is the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd</code>".</li>
+
+     <li>The DOCTYPE token's name is an <a href="#ascii-case-insensitive">ASCII
+     case-insensitive</a> match for the string "<code title="">HTML</code>", the token's public identifier is the
+     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;XHTML&nbsp;1.1//EN</code>", and the
+     token's system identifier is the <a href="#case-sensitive">case-sensitive</a>
+     string "<code title="">http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd</code>".</li>
+
+    </ul><p>Conformance checkers may, based on the values (including
+    presence or lack thereof) of the DOCTYPE token's name, public
+    identifier, or system identifier, switch to a conformance checking
+    mode for another language (e.g. based on the DOCTYPE token a
+    conformance checker could recognize that the document is an
+    HTML4-era document, and defer to an HTML4 conformance
+    checker.)</p>
 
     <p>Append a <code>DocumentType</code> node to the
     <code>Document</code> node, with the <code title="">name</code>
@@ -63646,10 +63680,68 @@
    <li><code title="">vlink</code>
   </ul><p>All other <a href="#html-elements">HTML elements</a> and all attribute names and
   values on <a href="#html-elements">HTML elements</a> must be treated as
-  <a href="#case-sensitive">case-sensitive</a>.<h2 id="obsolete-features"><span class="secno">12 </span>Obsolete features</h2><p>Authors and documents must not use the features listed in this
-  section. <span class="impl">They are documented to enable user
-  agents to support legacy content in an interoperable
-  fashion.</span><p>The following elements are entirely obsolete:<dl><!-- alphabetical by first element in the group, except CSS goes last --><dt><code><a href="#the-applet-element">applet</a></code></dt>
+  <a href="#case-sensitive">case-sensitive</a>.<h2 id="obsolete-features"><span class="secno">12 </span>Obsolete features</h2><h3 id="conforming-but-obsolete-features"><span class="secno">12.1 </span>Conforming but obsolete features</h3><p>Features listed in this section will trigger warnings in
+  conformance checkers.<p>Authors should not specify an <code title="attr-meta-http-equiv"><a href="#attr-meta-http-equiv">http-equiv</a></code> attribute in the
+  <a href="#attr-meta-http-equiv-content-language" title="attr-meta-http-equiv-content-language">Content
+  Language</a> state on a <code><a href="#meta">meta</a></code> element. The <code title="attr-lang"><a href="#attr-lang">lang</a></code> attribute should be used instead.<p>Authors should not specify a <code title="attr-img-border"><a href="#attr-img-border">border</a></code> attribute on an
+  <code><a href="#the-img-element">img</a></code> element if its value is the string "<code title="">0</code>". CSS should be used instead.<p>Authors should not specify a <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute on a
+  <code><a href="#script">script</a></code> element. If the attribute is present, its value
+  must be an <a href="#ascii-case-insensitive">ASCII case-insensitive</a> match for the string
+  "<code title="">JavaScript</code>" and either the <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute must be omitted or
+  its value must be an <a href="#ascii-case-insensitive">ASCII case-insensitive</a> match for
+  the string "<code title="">text/javascript</code>". The attribute
+  should be entirely omitted instead (with the value "<code title="">JavaScript</code>", it has no effect), or replaced with use
+  of the <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute.<p>Authors should not specify the <code title="attr-a-name"><a href="#attr-a-name">name</a></code> attribute on <code><a href="#the-a-element">a</a></code>
+  elements. If the attribute is present, its value must not be the
+  empty string. The <code title="attr-id"><a href="#the-id-attribute">id</a></code> attribute should
+  be used instead.<p>Authors should not specify the <code title="attr-a-name"><a href="#attr-a-name">name</a></code> attribute on <code><a href="#the-a-element">a</a></code>
+  elements. If the attribute is present, its value must not be the
+  empty string. The <code title="attr-id"><a href="#the-id-attribute">id</a></code> attribute should
+  be used instead.<p>Authors should not specify the <dfn id="attr-table-summary" title="attr-table-summary"><code>summary</code></dfn> attribute on
+  <code><a href="#the-table-element">table</a></code> elements. <!-- 2.65% pages --> The
+  <code><a href="#the-caption-element">caption</a></code> element or one of the other <a href="#table-descriptions">techniques</a> described in the
+  <code><a href="#the-table-element">table</a></code> section should be used instead.<div class="impl">
+
+  <h4 id="warnings-for-obsolete-but-conforming-features"><span class="secno">12.1.1 </span>Warnings for obsolete but conforming features</h4>
+
+  <p>To ease the transition from HTML4 Transitional documents to the
+  language defined in <em>this</em> specification, and to discourage
+  certain features that are only allowed in very few circumstances,
+  conformance checkers are required to warn the user when the
+  following features are used in a document. These are generally old
+  obsolete features that have no effect, and are allowed only to
+  distinguish between likely mistakes (regular conformance errors) and
+  mere vestigial markup or unusual and discouraged practices (these
+  warnings).</p>
+
+  <p>The following features must be categorized as described
+  above:</p>
+
+  <ul><!-- downplayed list --><li><p>The presence of an <a href="#obsolete-permitted-doctype">obsolete permitted
+   DOCTYPE</a>.</li>
+
+   <li><p>The presence of a <code><a href="#meta">meta</a></code> element with an <code title="attr-meta-http-equiv"><a href="#attr-meta-http-equiv">http-equiv</a></code> attribute in the
+   <a href="#attr-meta-http-equiv-content-language" title="attr-meta-http-equiv-content-language">Content
+   Language</a> state.</li>
+
+   <li><p>The presence of a <code title="attr-img-border"><a href="#attr-img-border">border</a></code> attribute on an
+   <code><a href="#the-img-element">img</a></code> element if its value is the string "<code title="">0</code>".</li>
+
+   <li><p>The presence of a <code title="attr-script-language"><a href="#attr-script-language">language</a></code> attribute on a
+   <code><a href="#script">script</a></code> element if its value is an <a href="#ascii-case-insensitive">ASCII
+   case-insensitive</a> match for the string "<code title="">JavaScript</code>" and if there is no <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute or there is and its
+   value is an <a href="#ascii-case-insensitive">ASCII case-insensitive</a> match for the
+   string "<code title="">text/javascript</code>".</li>
+
+   <li><p>The presence of a <code title="attr-a-name"><a href="#attr-a-name">name</a></code>
+   attribute on an <code><a href="#the-a-element">a</a></code> element, if its value is not the
+   empty string.</li>
+
+   <li><p>The presence of a <code title="attr-table-summary"><a href="#attr-table-summary">summary</a></code> attribute on a
+   <code><a href="#the-table-element">table</a></code> element.</li> <!-- 2.65% pages -->
+
+  </ul></div><h3 id="non-conforming-features"><span class="secno">12.2 </span>Non-conforming features</h3><p>Elements in the following list are entirely obsolete, and must
+  not be used by authors:<dl><!-- alphabetical by first element in the group, except CSS goes last --><dt><code><a href="#the-applet-element">applet</a></code></dt>
    <dd><p>Use <code><a href="#the-embed-element">embed</a></code> or <code><a href="#the-object-element">object</a></code> instead.</dd>
 
    <dt><dfn id="acronym"><code>acronym</code></dfn></dt>
@@ -63683,7 +63775,7 @@
    <dd><p>Use CSS instead.</dd>
 
   </dl><hr><p>The following attributes are obsolete (though the elements are
-  still part of the language):<dl><!-- alphabetical by element then attribute of first item in group, except CSS goes last --><dt><dfn id="attr-a-charset" title="attr-a-charset"><code>charset</code></dfn> on <code><a href="#the-a-element">a</a></code> elements</dt>
+  still part of the language), and must not be used by authors:<dl><!-- alphabetical by element then attribute of first item in group, except CSS goes last --><dt><dfn id="attr-a-charset" title="attr-a-charset"><code>charset</code></dfn> on <code><a href="#the-a-element">a</a></code> elements</dt>
    <dt><dfn id="attr-link-charset" title="attr-link-charset"><code>charset</code></dfn> on <code><a href="#the-link-element">link</a></code> elements</dt>
    <dd><p>Use an HTTP Content-Type header on the linked resource instead.</dd>
 
@@ -63697,7 +63789,7 @@
    attribute instead, with an opposite term. (For example, instead of
    <code title="">rev="made"</code>, use <code title="">rel="author"</code>.)</dd>
 
-   <dt><dfn id="attr-a-name" title="attr-a-name"><code>name</code></dfn> on <code><a href="#the-a-element">a</a></code> elements</dt>
+   <dt><dfn id="attr-a-name" title="attr-a-name"><code>name</code></dfn> on <code><a href="#the-a-element">a</a></code> elements (except as noted in the previous section)</dt>
    <dt><dfn id="attr-img-name" title="attr-img-name"><code>name</code></dfn> on <code><a href="#the-img-element">img</a></code> elements</dt>
    <dd><p>Use the <code title="attr-id"><a href="#the-id-attribute">id</a></code> attribute instead.</dd>
 
@@ -63746,10 +63838,9 @@
    <dd><p>Use the <code title="attr-param-name"><a href="#attr-param-name">name</a></code> and <code title="attr-param-value"><a href="#attr-param-value">value</a></code> attributes without declaring
    value types.</dd>
 
-   <dt><dfn id="attr-table-summary" title="attr-table-summary"><code>summary</code></dfn> on <code><a href="#the-table-element">table</a></code> elements</dt>
-   <dd><p>Use the <code><a href="#the-caption-element">caption</a></code> element instead or one of the
-   other <a href="#table-descriptions">techniques</a> described in the
-   <code><a href="#the-table-element">table</a></code> section.</p>
+   <dt><dfn id="attr-script-language" title="attr-script-language"><code>language</code></dfn> on <code><a href="#script">script</a></code> elements (except as noted in the previous section)</dt>
+   <dd><p>Use the <code title="attr-script-type"><a href="#attr-script-type">type</a></code> attribute
+   instead.</dd>
 
    <dt><dfn id="attr-td-th-abbr" title="attr-td/th-abbr"><code>abbr</code></dfn> on <code><a href="#the-td-element">td</a></code> and <code><a href="#the-th-element">th</a></code> elements</dt>
    <dd><p>Use text that begins in an unambiguous and terse manner, and include any more elaborate text after that.</p>
@@ -63784,7 +63875,7 @@
    <dt><dfn id="attr-iframe-scrolling" title="attr-iframe-scrolling"><code>scrolling</code></dfn> on <code><a href="#the-iframe-element">iframe</a></code> elements</dt>
    <dt><dfn id="attr-input-align" title="attr-input-align"><code>align</code></dfn> on <code><a href="#the-input-element">input</a></code> elements</dt>
    <dt><dfn id="attr-img-align" title="attr-img-align"><code>align</code></dfn> on <code><a href="#the-img-element">img</a></code> elements</dt>
-   <dt><dfn id="attr-img-border" title="attr-img-border"><code>border</code></dfn> on <code><a href="#the-img-element">img</a></code> elements</dt>
+   <dt><dfn id="attr-img-border" title="attr-img-border"><code>border</code></dfn> on <code><a href="#the-img-element">img</a></code> elements (except as noted in the previous section)</dt>
    <dt><dfn id="attr-img-hspace" title="attr-img-hspace"><code>hspace</code></dfn> on <code><a href="#the-img-element">img</a></code> elements</dt>
    <dt><dfn id="attr-img-vspace" title="attr-img-vspace"><code>vspace</code></dfn> on <code><a href="#the-img-element">img</a></code> elements</dt>
    <dt><dfn id="attr-legend-align" title="attr-legend-align"><code>align</code></dfn> on <code><a href="#the-legend-element">legend</a></code> elements</dt>
@@ -63829,9 +63920,9 @@
 
   </dl><div class="impl">
 
-  <h3 id="self-contained-features"><span class="secno">12.1 </span>Self-contained features</h3>
+  <h3 id="requirements-for-implementations"><span class="secno">12.3 </span>Requirements for implementations</h3>
 
-  <h4 id="the-applet-element"><span class="secno">12.1.1 </span>The <dfn><code>applet</code></dfn> element</h4>
+  <h4 id="the-applet-element"><span class="secno">12.3.1 </span>The <dfn><code>applet</code></dfn> element</h4>
 
   <p>The <code><a href="#the-applet-element">applet</a></code> element is a Java-specific variant of the
   <code><a href="#the-embed-element">embed</a></code> element. The <code><a href="#the-applet-element">applet</a></code> element is now
@@ -63874,7 +63965,7 @@
   DOM attribute must <a href="#reflect">reflect</a> the <code title="attr-applet-codebase">codebase</code> content attribute.</p>
 
 
-  <h4 id="the-marquee-element-0"><span class="secno">12.1.2 </span>The <dfn><code>marquee</code></dfn> element</h4>
+  <h4 id="the-marquee-element-0"><span class="secno">12.3.2 </span>The <dfn><code>marquee</code></dfn> element</h4>
 
   <p>The <code><a href="#the-marquee-element-0">marquee</a></code> element is a presentational element that
   animates content. CSS transitions and animations are a more
@@ -64061,7 +64152,7 @@
   attribute.</p>
 
 
-  <h4 id="frames"><span class="secno">12.1.3 </span>Frames</h4>
+  <h4 id="frames"><span class="secno">12.3.3 </span>Frames</h4>
 
   <p>The <dfn id="frameset"><code>frameset</code></dfn> element acts as <a href="#the-body-element-0">the
   body element</a> in documents that use frames.</p>
@@ -64225,7 +64316,7 @@
 
 
 
-  <h3 id="other-elements-attributes-and-apis"><span class="secno">12.2 </span>Other elements, attributes and APIs</h3> <!-- alphabetical by name and attribute -->
+  <h4 id="other-elements-attributes-and-apis"><span class="secno">12.3.4 </span>Other elements, attributes and APIs</h4> <!-- alphabetical by name and attribute -->
 
   <pre class="idl">[Supplemental] interface <a href="#htmlanchorelement">HTMLAnchorElement</a> {
            attribute DOMString <a href="#dom-a-coords" title="dom-a-coords">coords</a>;
@@ -64798,82 +64889,7 @@
   violation is motivated by a desire for compatibility with legacy
   content. <a href="#references">[ECMA262]</a></p>
 
-
-
-
-  <h3 id="conformance-checkers-0"><span class="secno">12.3 </span>Conformance checkers</h3>
-
-  <p>To ease the transition from HTML4 Transitional documents to the
-  language defined in <em>this</em> specification, conformance
-  checkers are encouraged to categorize errors that represent usage of
-  old obsolete features that generally have no effect (as defined
-  below) into a separate part of their report, to allow authors to
-  distinguish between likely mistakes and mere vestigial markup.</p>
-
-  <p>The following errors may be categorized as described above:</p>
-
-  <ul><!-- downplayed list --><li>
-
-    <p>The <a href="#doctype-parse-error">DOCTYPE parse error</a>, if the DOCTYPE token's
-    <code title="">name</code> is an <a href="#ascii-case-insensitive">ASCII
-    case-insensitive</a> match for the string "<code title="">HTML</code>", and either:</p>
-
-    <ul><li>the token's public identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;HTML&nbsp;4.0//EN</code>" and the
-     token's system identifier is either missing or the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/REC-html40/strict.dtd</code>", or</li>
-
-     <li>the token's public identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;HTML&nbsp;4.01//EN</code>" and the
-     token's system identifier is either missing or the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/html4/strict.dtd</code>", or</li>
-
-     <li>the token's public identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;XHTML&nbsp;1.0&nbsp;Strict//EN</code>"
-     and the token's system identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd</code>",
-     or</li>
-
-     <li>the token's public identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">-//W3C//DTD&nbsp;XHTML&nbsp;1.1//EN</code>"
-     and the token's system identifier is the
-     <a href="#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd</code>".</li>
-
-    </ul><!-- only things that trigger no-quirks mode and were valid in
-    some other spec are allowed in this list --></li>
-
-   <li><p>The presence of a <code title="attr-head-profile"><a href="#attr-head-profile">profile</a></code> attribute on the
-   <code><a href="#the-head-element">head</a></code> element, if its value is an <a href="#unordered-set-of-unique-space-separated-tokens">unordered set
-   of unique space-separated tokens</a> where the words are all
-   <a href="#valid-url" title="valid URL">valid URLs</a>.</li>
-
-   <li><p>The presence of a <code><a href="#meta">meta</a></code> element with an <code title="attr-meta-http-equiv"><a href="#attr-meta-http-equiv">http-equiv</a></code> attribute in the
-   <a href="#attr-meta-http-equiv-content-language" title="attr-meta-http-equiv-content-language">Content
-   Language</a> state.</li>
-
-   <li><p>The presence of a <code title="attr-img-border"><a href="#attr-img-border">border</a></code> attribute on an
-   <code><a href="#the-img-element">img</a></code> element if its value is the string "<code title="">0</code>".</li>
-
-   <li><p>The presence of a <code title="attr-img-longdesc"><a href="#attr-img-longdesc">longdesc</a></code> attribute on an
-   <code><a href="#the-img-element">img</a></code> element, if its value is a <a href="#valid-url">valid
-   URL</a>.</li> <!-- 0.29% pages -->
-
-   <li><p>The presence of a <code title="attr-script-language">language</code> attribute on a
-   <code><a href="#script">script</a></code> element if its value is an <a href="#ascii-case-insensitive">ASCII
-   case-insensitive</a> match for the string "<code title="">JavaScript</code>".</li>
-
-   <li><p>The presence of a <code title="attr-a-name"><a href="#attr-a-name">name</a></code>
-   attribute on an <code><a href="#the-a-element">a</a></code> element, if its value is not the
-   empty string.</li>
-
-   <li><p>The presence of a <code title="attr-table-summary"><a href="#attr-table-summary">summary</a></code> attribute on a
-   <code><a href="#the-table-element">table</a></code> element.</li> <!-- 2.65% pages -->
-
-   <li><p>The presence of an <code title="attr-table-abbr">abbr</code>
-   attribute on a <code><a href="#the-td-element">td</a></code> or <code><a href="#the-th-element">th</a></code> element.</li>
-   <!-- 1.33% pages -->
-
-  </ul></div><h2 id="no"><span class="secno">13 </span>Things that you can't do with this specification because
+  </div><h2 id="no"><span class="secno">13 </span>Things that you can't do with this specification because
   they are better handled using other technologies that are further
   described herein</h2><p><em>This section is non-normative.</em><p>There are certain features that are not handled by this
   specification because a client side markup language is not the right
Received on Wednesday, 8 July 2009 08:27:26 GMT

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