- From: poot <cvsmail@w3.org>
- Date: Fri, 22 May 2009 14:57:02 +0900 (JST)
- To: public-html-diffs@w3.org
How to extract an Atom feed from an HTML5 document (whatwg r3116)
Diffs for this change per section:
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#rdf-0
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#image-map
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#extracting-bibtex
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#browsers
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#the-aside-element
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#dom-area-rellist
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#dom-article-pubdate
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#attr-article-cite
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#dom-area-protocol
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#atom
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#atom-namespace
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#attr-hyperlink-usemap
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#attr-article-pubdate
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#dom-article-cite
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#status-of-this-document
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#a-vocabulary-and-associated-apis-for-html-and-xhtml
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#processing-model
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#editor-s-draft-date-1-january-1970
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#extracting-atom
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#the-article-element
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#htmlarticleelement
http://people.w3.org/mike/diffs/html5/spec/Overview.1.2274.html#image-maps
http://people.w3.org/mike/diffs/html5/spec/Overview.diff.html
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.2273&r2=1.2274&f=h
http://html5.org/tools/web-apps-tracker?from=3115&to=3116
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.2273
retrieving revision 1.2274
diff -u -d -r1.2273 -r1.2274
--- Overview.html 19 May 2009 01:11:55 -0000 1.2273
+++ Overview.html 22 May 2009 05:55:23 -0000 1.2274
@@ -152,7 +152,7 @@
<h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
<!--ZZZ:-->
<!--<h2 class="no-num no-toc">W3C Working Draft 23 April 2009</h2>-->
- <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 19 May 2009</h2>
+ <h2 class="no-num no-toc" id="editor-s-draft-date-1-january-1970">Editor's Draft 22 May 2009</h2>
<!--:ZZZ-->
<dl><!-- ZZZ: update the month/day (twice), (un)comment out
<dt>This Version:</dt>
@@ -245,7 +245,7 @@
track.
<!--ZZZ:-->
<!--This specification is the 23 April 2009 Working Draft.-->
- This specification is the 19 May 2009 Editor's Draft.
+ This specification is the 22 May 2009 Editor's Draft.
<!--:ZZZ-->
</p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>This specification is also being produced by the <a href="http://www.whatwg.org/">WHATWG</a>. The two specifications are
identical from the table of contents onwards.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- context and rationale (required) --><p>This specification is intended to replace (be a new version of)
@@ -761,7 +761,8 @@
<li><a href="#rdf-0"><span class="secno">5.5.2 </span>RDF</a></li>
<li><a href="#vcard-0"><span class="secno">5.5.3 </span>vCard</a></li>
<li><a href="#icalendar"><span class="secno">5.5.4 </span>iCalendar</a></li>
- <li><a href="#bibtex-0"><span class="secno">5.5.5 </span>BibTeX</a></ol></ol></li>
+ <li><a href="#bibtex-0"><span class="secno">5.5.5 </span>BibTeX</a></li>
+ <li><a href="#atom"><span class="secno">5.5.6 </span>Atom</a></ol></ol></li>
<li><a href="#browsers"><span class="secno">6 </span>Web browsers</a>
<ol>
<li><a href="#windows"><span class="secno">6.1 </span>Browsing contexts</a>
@@ -11106,11 +11107,12 @@
<dt>Content attributes:</dt>
<dd><a href="#global-attributes">Global attributes</a></dd>
<dd><code title="attr-article-cite"><a href="#attr-article-cite">cite</a></code></dd>
- <!-- v2 attributes to give the date authored, date published, name of author, etc -->
+ <dd><code title="attr-article-pubdate"><a href="#attr-article-pubdate">pubdate</a></code></dd>
<dt>DOM interface:</dt>
<dd>
<pre class="idl">interface <dfn id="htmlarticleelement">HTMLArticleElement</dfn> : <a href="#htmlelement">HTMLElement</a> {
attribute DOMString <a href="#dom-article-cite" title="dom-article-cite">cite</a>;
+ attribute DOMString <a href="#dom-article-pubdate" title="dom-article-pubDate">pubDate</a>;
};</pre>
</dd>
</dl><p>The <code><a href="#the-article-element">article</a></code> element <a href="#represents">represents</a> a
@@ -11138,10 +11140,14 @@
obtain the corresponding citation link, the value of the attribute
must be <a href="#resolve-a-url" title="resolve a url">resolved</a> relative to the
element. User agents should allow users to follow such citation
- links.</span><div class="impl">
+ links.</span><p>The <dfn id="attr-article-pubdate" title="attr-article-pubdate"><code>pubdate</code></dfn>
+ attribute may be used to specify the time and date that the article
+ was first published. If present, the <code title="attr-article-pubdate"><a href="#attr-article-pubdate">pubdate</a></code> attribute must be a
+ <a href="#valid-global-date-and-time-string">valid global date and time string</a> value.<div class="impl">
<p>The <dfn id="dom-article-cite" title="dom-article-cite"><code>cite</code></dfn> DOM
- attribute must <a href="#reflect">reflect</a> the element's <code title="attr-article-cite"><a href="#attr-article-cite">cite</a></code> content attribute.</p>
+ attribute must <a href="#reflect">reflect</a> the element's <code title="attr-article-cite"><a href="#attr-article-cite">cite</a></code> content attribute. The <dfn id="dom-article-pubdate" title="dom-article-pubDate"><code>pubDate</code></dfn> DOM attribute
+ must <a href="#reflect">reflect</a> the element's <code title="attr-article-pubdate"><a href="#attr-article-pubdate">pubdate</a></code> content attribute.</p>
</div><h4 id="the-aside-element"><span class="secno">4.4.5 </span>The <dfn><code>aside</code></dfn> element</h4><dl class="element"><dt>Categories</dt>
<dd><a href="#flow-content-0">Flow content</a>.</dd>
@@ -22837,10 +22843,10 @@
<p>The <code><a href="#the-area-element">area</a></code> element also suports the complement of
<a href="#url-decomposition-attributes">URL decomposition attributes</a>, <dfn id="dom-area-protocol" title="dom-area-protocol"><code>protocol</code></dfn>, <dfn id="dom-area-host" title="dom-area-host"><code>host</code></dfn>, <dfn id="dom-area-port" title="dom-area-port"><code>port</code></dfn>, <dfn id="dom-area-hostname" title="dom-area-hostname"><code>hostname</code></dfn>, <dfn id="dom-area-pathname" title="dom-area-pathname"><code>pathname</code></dfn>, <dfn id="dom-area-search" title="dom-area-search"><code>search</code></dfn>, and <dfn id="dom-area-hash" title="dom-area-hash"><code>hash</code></dfn>. These must follow the
- rules given for URL decomposition attributes, with the <a href="#concept-uda-input" title="concept-uda-input">input</a> being the result of <a href="#resolve-a-url" title="resolve a url">resolving</a> the element's <code title="attr-area-href">href</code> attribute relative to the
+ rules given for URL decomposition attributes, with the <a href="#concept-uda-input" title="concept-uda-input">input</a> being the result of <a href="#resolve-a-url" title="resolve a url">resolving</a> the element's <code title="attr-hyperlink-href"><a href="#attr-hyperlink-href">href</a></code> attribute relative to the
element, if there is such an attribute and resolving it is
successful, or the empty string otherwise; and the <a href="#concept-uda-setter" title="concept-uda-setter">common setter action</a> being the
- same as setting the element's <code title="attr-area-href">href</code> attribute to the new output
+ same as setting the element's <code title="attr-hyperlink-href"><a href="#attr-hyperlink-href">href</a></code> attribute to the new output
value.</p>
</div><h4 id="image-maps"><span class="secno">4.8.14 </span>Image maps</h4><!-- TESTS
@@ -22857,9 +22863,9 @@
<code><a href="#the-object-element">object</a></code> element representing an image, may be associated
with an image map (in the form of a <code><a href="#the-map-element">map</a></code> element) by
specifying a <dfn id="attr-hyperlink-usemap" title="attr-hyperlink-usemap"><code>usemap</code></dfn> attribute on
- the <code><a href="#the-img-element">img</a></code> or <code><a href="#the-object-element">object</a></code> element. The <code title="attr-area-usemap">usemap</code> attribute, if specified, must
- be a <a href="#valid-hash-name-reference">valid hash-name reference</a> to a <code><a href="#the-map-element">map</a></code>
- element.<div class="example">
+ the <code><a href="#the-img-element">img</a></code> or <code><a href="#the-object-element">object</a></code> element. The <code title="attr-hyperlink-usemap"><a href="#attr-hyperlink-usemap">usemap</a></code> attribute, if specified,
+ must be a <a href="#valid-hash-name-reference">valid hash-name reference</a> to a
+ <code><a href="#the-map-element">map</a></code> element.<div class="example">
<p>Consider an image that looks as follows:</p>
@@ -22887,8 +22893,8 @@
<h5 id="processing-model"><span class="secno">4.8.14.2 </span>Processing model</h5>
<p>If an <code><a href="#the-img-element">img</a></code> element or an <code><a href="#the-object-element">object</a></code> element
- representing an image has a <code title="attr-area-usemap">usemap</code> attribute specified, user
- agents must process it as follows:</p>
+ representing an image has a <code title="attr-hyperlink-usemap"><a href="#attr-hyperlink-usemap">usemap</a></code> attribute specified,
+ user agents must process it as follows:</p>
<ol><li><p>First, <a href="#rules-for-parsing-a-hash-name-reference">rules for parsing a hash-name reference</a>
to a <code><a href="#the-map-element">map</a></code> element must be followed. This will return
@@ -39493,7 +39499,7 @@
<p>If the element is, or is a descendant of, an
<code><a href="#the-address-element">address</a></code> element that <a href="#applyToSection">applies</a> to <a href="#the-body-element-0">the
- <code>body</code> element</a>, an the <a href="#concept-item" title="concept-item">item</a> has the type <code title="md-vcard"><a href="#md-vcard">vcard</a></code>, generate the following
+ <code>body</code> element</a>, and the <a href="#concept-item" title="concept-item">item</a> has the type <code title="md-vcard"><a href="#md-vcard">vcard</a></code>, generate the following
triple:</p>
<dl class="triple"><dt>subject <dd> <a href="#the-document-s-current-address">the document's current address</a>
@@ -40340,7 +40346,440 @@
<li><p>Append aU+007D RIGHT CURLY BRACKET character (}) to <var title="">output</var>.</li>
- </ol><h2 id="browsers"><span class="secno">6 </span>Web browsers</h2><div class="impl">
+ </ol><h4 id="atom"><span class="secno">5.5.6 </span>Atom</h4><p>Given a <code>Document</code> <var title="">source</var>, a user
+ agent must run the following algorithm to <dfn id="extracting-atom" title="extracting
+ Atom">extract an Atom feed</dfn>:<ol><li><p>If the <code>Document</code> <var title="">source</var> does
+ not contain any <code><a href="#the-article-element">article</a></code> elements, then return nothing
+ and abort these steps. This algorithm can only be used with
+ documents that contain distinct articles.</p>
+
+ <li><p>Let <var title="">R</var> be an empty <a href="#xml-documents" title="XML
+ documents">XML</a> <code>Document</code> object whose <a href="#the-document-s-address" title="the document's address">address</a> is user-agent
+ defined.</li>
+
+ <li><p>Append a <code title="">feed</code> element in the
+ <a href="#atom-namespace">Atom namespace</a> to <var title="">R</var>.</li>
+
+ <li>
+
+ <p>For each element <var title="">candidate</var> that is, or is a
+ descendant of, an <code><a href="#the-address-element">address</a></code> element that <a href="#applyToSection">applies</a> to <a href="#the-body-element-0">the <code>body</code>
+ element</a>, and that is an <a href="#concept-item" title="concept-item">item</a> that has the type <code title="md-vcard"><a href="#md-vcard">vcard</a></code>, if there is a property <var title="">property</var> named <code title="md-vcard-fn"><a href="#md-vcard-fn">fn</a></code>
+ whose <a href="#concept-item-corresponding" title="concept-item-corresponding">corresponding
+ item</a> is <var title="">candidate</var>, and the <a href="#concept-property-value" title="concept-property-value">value</a> of <var title="">property</var> is not an <a href="#concept-item" title="concept-item">item</a>, then append an <code title="">author</code> element in the <a href="#atom-namespace">Atom namespace</a>
+ to the root element of <var title="">R</var> whose contents is a
+ text node with its data set to the <a href="#concept-property-value" title="concept-property-value">value</a> of <var title="">property</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If there is a <code><a href="#the-link-element">link</a></code> element whose <code title="attr-link-rel"><a href="#attr-link-rel">rel</a></code> attribute's value includes the
+ keyword <code title="rel-icon"><a href="#rel-icon">icon</a></code>, and that element also
+ has an <code title="attr-link-href"><a href="#attr-link-href">href</a></code> attribute, then
+ append an <code title="">icon</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to the root element of <var title="">R</var>
+ whose contents is a text node with its data set to the
+ <a href="#absolute-url">absolute URL</a> resulting from <a href="#resolve-a-url" title="resolve a
+ url">resolving</a> the value of the <code title="attr-link-href"><a href="#attr-link-href">href</a></code> attribute relative to the
+ <code><a href="#the-link-element">link</a></code> element.</p>
+
+ <!-- could check ratio, could check type... -->
+
+ </li>
+
+ <li>
+
+ <p>Append an <code title="">id</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to the root element of <var title="">R</var>
+ whose contents is a text node with its data set to <a href="#the-document-s-current-address">the
+ document's current address</a>.</p>
+
+ </li>
+
+ <li>
+
+ <p>Optionally: Let <var title="">x</var> be a <code title="">link</code> element in the <a href="#atom-namespace">Atom
+ namespace</a>. Add a <code title="">rel</code> attribute whose
+ value is the string "<code title="">self</code>" to <var title="">x</var>. Append a text node with its data set to the
+ (user-agent defined) <a href="#the-document-s-address" title="the document's
+ address">address</a> of <var title="">R</var> to <var title="">x</var>. Append <var title="">x</var> to the root element
+ of <var title="">R</var>.</p>
+
+ <p class="note">This step would be skipped when the document <var title="">R</var> has no convenient <a href="#the-document-s-address" title="the document's
+ address">address</a>. The presence of the <code title="">rel="self"</code> link is a "should"-level requirement in
+ the Atom specification.</p>
+
+ </li>
+
+ <li>
+
+ <p>Let <var title="">x</var> be a <code title="">link</code>
+ element in the <a href="#atom-namespace">Atom namespace</a>. Add a <code title="">rel</code> attribute whose value is the string "<code title="">alternate</code>" to <var title="">x</var>. Add a <code title="">type</code> attribute whose value is the string "<code title="">text/html</code>" to <var title="">x</var>. Append a text
+ node with its data set to <a href="#the-document-s-current-address">the document's current
+ address</a> to <var title="">x</var>. Append <var title="">x</var> to the root element of <var title="">R</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>Let <var title="">x</var> be a <code title="">link</code>
+ element in the <a href="#atom-namespace">Atom namespace</a>. Add a <code title="">rel</code> attribute whose value is the string "<code title="">alternate</code>" to <var title="">x</var>. If the
+ document being converted is an <a href="#html-documents" title="HTML documents">HTML
+ document</a>, add a <code title="">type</code> attribute whose
+ value is the string "<code title="">text/html</code>" to <var title="">x</var>. Otherwise, the document being converted is an
+ <a href="#xml-documents" title="XML documents">XML document</a>; add a <code title="">type</code> attribute whose value is the string "<code title="">application/xhtml+xml</code>" to <var title="">x</var>. Append a text node with its data set to
+ <a href="#the-document-s-current-address">the document's current address</a> to <var title="">x</var>. Append <var title="">x</var> to the root element
+ of <var title="">R</var>.</p>
+
+ </li>
+
+ <li><p>Let <var title="">subheading text</var> be the empty
+ string.</li>
+
+ <li><p>Let <var title="">heading</var> be the first element of
+ <a href="#heading-content-0">heading content</a> whose nearest ancestor of
+ <a href="#sectioning-content-0">sectioning content</a> is the <a href="#the-body-element-0">the body
+ element</a>, if any, or null if there is none.</li>
+
+ <li>
+
+ <p>Take the appropriate action from the following list, as
+ determined by the type of the <var title="">heading</var>
+ element:</p>
+
+ <dl><dt>If <var title="">heading</var> is null</dt>
+
+ <dd>
+
+ <p>Let <var title="">heading text</var> be the
+ <code><a href="#textcontent">textContent</a></code> of <a href="#the-title-element-0">the <code>title</code>
+ element</a>, if there is one, or the empty string
+ otherwise.</p>
+
+ </dd>
+
+ <dt>If <var title="">heading</var> is a <code><a href="#the-hgroup-element">hgroup</a></code> element</dt>
+
+ <dd>
+
+ <p>If <var title="">heading</var> contains no child
+ <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> elements, let <var title="">heading text</var> be the empty string.</p>
+
+ <p>Otherwise, let <var title="">headings list</var> be a list of
+ all the <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> element children
+ of <var title="">heading</var>, sorted first by descending
+ <a href="#rank">rank</a> and then in <a href="#tree-order">tree order</a> (so
+ <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>s first, then <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h2</a></code>s, etc, with each
+ group in the order they appear in the document). Then, let <var title="">heading text</var> be the <code><a href="#textcontent">textContent</a></code> of
+ the first entry in <var title="">headings list</var>, and if
+ there are multiple entries, let <var title="">subheading
+ text</var> be the <code><a href="#textcontent">textContent</a></code> of the second entry
+ in <var title="">headings list</var>.</p>
+
+ </dd>
+
+ <dt>If <var title="">heading</var> is an <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> element</dt>
+
+ <dd>
+
+ <p>Let <var title="">heading text</var> be the
+ <code><a href="#textcontent">textContent</a></code> of <var title="">heading</var>.</p>
+
+ </dd>
+
+ </dl></li>
+
+ <li>
+
+ <p>Append a <code title="">title</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to the root element of <var title="">R</var>
+ whose contents is a text node with its data set to <var title="">heading text</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">subheading text</var> is not the empty string,
+ append a <code title="">subtitle</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to the root element of <var title="">R</var>
+ whose contents is a text node with its data set to <var title="">subheading text</var>.</p>
+
+ </li>
+
+ <li><p>Let <var title="">global update date</var> have no
+ value.</li>
+
+ <li>
+
+ <p>For each <code><a href="#the-article-element">article</a></code> element <var title="">article</var> that does not have an ancestor
+ <code><a href="#the-article-element">article</a></code> element, run the following steps:</p>
+
+ <ol><li><p>Let <var title="">E</var> be an <code title="">entry</code> element in the <a href="#atom-namespace">Atom namespace</a>,
+ and append <var title="">E</var> to the root element of <var title="">R</var>.</li>
+
+ <li><p>Let <var title="">heading</var> be the first element of
+ <a href="#heading-content-0">heading content</a> whose nearest ancestor of
+ <a href="#sectioning-content-0">sectioning content</a> is <var title="">article</var>,
+ if any, or null if there is none.</li>
+
+ <li>
+
+ <p>Take the appropriate action from the following list, as
+ determined by the type of the <var title="">heading</var>
+ element:</p>
+
+ <dl><dt>If <var title="">heading</var> is null</dt>
+
+ <dd>
+
+ <p>Let <var title="">heading text</var> be the empty
+ string.</p>
+
+ </dd>
+
+ <dt>If <var title="">heading</var> is a <code><a href="#the-hgroup-element">hgroup</a></code> element</dt>
+
+ <dd>
+
+ <p>If <var title="">heading</var> contains no child
+ <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> elements, let <var title="">heading text</var> be the empty string.</p>
+
+ <p>Otherwise, let <var title="">headings list</var> be a list
+ of all the <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> element
+ children of <var title="">heading</var>, sorted first by
+ descending <a href="#rank">rank</a> and then in <a href="#tree-order">tree
+ order</a> (so <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>s first, then
+ <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h2</a></code>s, etc, with each group in the order they
+ appear in the document). Then, let <var title="">heading
+ text</var> be the <code><a href="#textcontent">textContent</a></code> of the first entry
+ in <var title="">headings list</var>.</p>
+
+ </dd>
+
+ <dt>If <var title="">heading</var> is an <code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h1</a></code>–<code><a href="#the-h1-h2-h3-h4-h5-and-h6-elements">h6</a></code> element</dt>
+
+ <dd>
+
+ <p>Let <var title="">heading text</var> be the
+ <code><a href="#textcontent">textContent</a></code> of <var title="">heading</var>.</p>
+
+ </dd>
+
+ </dl></li>
+
+ <li>
+
+ <p>Append a <code title="">title</code> element in the
+ <a href="#atom-namespace">Atom namespace</a> to <var title="">E</var> whose
+ contents is a text node with its data set to <var title="">heading text</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>For each element <var title="">candidate</var> that is, or is
+ a descendant of, an <code><a href="#the-address-element">address</a></code> element that <a href="#applyToSection">applies</a> to <var title="">article</var>, and that is an <a href="#concept-item" title="concept-item">item</a> that has the type <code title="md-vcard"><a href="#md-vcard">vcard</a></code>, if there is a property <var title="">property</var> named <code title="md-vcard-fn"><a href="#md-vcard-fn">fn</a></code> whose <a href="#concept-item-corresponding" title="concept-item-corresponding">corresponding item</a> is
+ <var title="">candidate</var>, and the <a href="#concept-property-value" title="concept-property-value">value</a> of <var title="">property</var> is not an <a href="#concept-item" title="concept-item">item</a>, then append an <code title="">author</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to <var title="">E</var> whose contents is a
+ text node with its data set to the <a href="#concept-property-value" title="concept-property-value">value</a> of <var title="">property</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>Clone <var title="">article</var> and its descendants into an
+ environment that has <a href="#concept-bc-noscript" title="concept-bc-noscript">scripting
+ disabled</a>, has no <a href="#plugin" title="plugin">plugins</a>, and
+ fails any attempt to <a href="#fetch" title="fetch">fetch</a> any
+ resources. Let <var title="">cloned article</var> be the
+ resulting clone <code><a href="#the-article-element">article</a></code> element.</p>
+
+ </li>
+
+ <li>
+
+ <p>Remove from the subtree rooted at <var title="">cloned
+ article</var> any <code><a href="#the-article-element">article</a></code> elements other than the
+ <var title="">cloned article</var> itself, any
+ <code><a href="#the-header-element">header</a></code>, <code><a href="#the-footer-element">footer</a></code>, or <code><a href="#the-nav-element">nav</a></code>
+ elements whose nearest ancestor of <a href="#sectioning-content-0">sectioning
+ content</a> is the <var title="">cloned article</var>, and
+ the first element of <a href="#heading-content-0">heading content</a> whose nearest
+ ancestor of <a href="#sectioning-content-0">sectioning content</a> is the <var title="">cloned article</var>, if any.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">cloned article</var> contains any
+ <code><a href="#the-ins-element">ins</a></code> or <code><a href="#the-del-element">del</a></code> elements with <code title="attr-mod-datetime"><a href="#attr-mod-datetime">datetime</a></code> attributes whose
+ values <a href="#parse-a-global-date-and-time-string" title="parse a global date and time string">parse
+ as global date and time strings</a> without errors, then let
+ <var title="">update date</var> be the value of the <code title="attr-mod-datetime"><a href="#attr-mod-datetime">datetime</a></code> attribute that parses
+ to the newest <a href="#concept-datetime" title="concept-datetime">global date and
+ time</a>.</p>
+
+ <p>Otherwise, let <var title="">update date</var> have no
+ value.</p>
+
+ <p class="note">This value is used below; it is calculated here
+ because in certain cases the next step mutates the <var title="">cloned article</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If the document being converted is an <a href="#html-documents" title="HTML
+ documents">HTML document</a>, then: Let <var title="">x</var>
+ be a <code title="">content</code> element in the <a href="#atom-namespace">Atom
+ namespace</a>. Add a <code title="">type</code> attribute
+ whose value is the string "<code title="">html</code>" to <var title="">x</var>. Append a text node with its data set to the
+ result of running the <a href="#html-fragment-serialization-algorithm">HTML fragment serialization
+ algorithm</a> on <var title="">cloned article</var> to <var title="">x</var>. Append <var title="">x</var> to <var title="">E</var>.</p>
+
+ <p>Otherwise, the document being converted is an <a href="#xml-documents" title="XML documents">XML document</a>: Let <var title="">x</var> be a <code title="">content</code> element in
+ the <a href="#atom-namespace">Atom namespace</a>. Add a <code title="">type</code> attribute whose value is the string "<code title="">xml</code>" to <var title="">x</var>. Append a
+ <code><a href="#the-div-element">div</a></code> element to <var title="">x</var>. Move all the
+ child nodes of the <var title="">cloned article</var> node to
+ that <code><a href="#the-div-element">div</a></code> element, preserving their relative
+ order. Append <var title="">x</var> to <var title="">E</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>Establish the value of <var title="">id</var> and <var title="">has-alternate</var> from the first of the following to
+ apply:</p>
+
+ <dl><dt>If the <var title="">article</var> node has a <code title="attr-article-cite"><a href="#attr-article-cite">cite</a></code> attribute</dt>
+
+ <dd>Let <var title="">id</var> be the <a href="#absolute-url">absolute URL</a>
+ resulting from <a href="#resolve-a-url" title="resolve a url">resolving</a> the
+ value of the <code title="attr-article-cite"><a href="#attr-article-cite">cite</a></code>
+ relative to the <var title="">article</var> element. Let <var title="">has-alternate</var> be true.</dd>
+
+ <dt>If the <var title="">article</var> node has a descendant
+ <code><a href="#the-a-element">a</a></code> or <code><a href="#the-area-element">area</a></code> element with an <code title="attr-hyperlink-href"><a href="#attr-hyperlink-href">href</a></code> attribute and a <code title="attr-a-rel">rel</code> attribute whose value includes
+ the <code title="rel-bookmark"><a href="#link-type-bookmark">bookmark</a></code> keyword</dt>
+
+ <dd>Let <var title="">id</var> be the <a href="#absolute-url">absolute URL</a>
+ resulting from <a href="#resolve-a-url" title="resolve a url">resolving</a> the
+ value of the <code title="attr-hyperlink-href"><a href="#attr-hyperlink-href">href</a></code>
+ attribute of the first such <code><a href="#the-a-element">a</a></code> ot <code><a href="#the-area-element">area</a></code>
+ element, relative to the element. Let <var title="">has-alternate</var> be true.</dd>
+
+ <dt>If the <var title="">article</var> node has an <code title="attr-id"><a href="#the-id-attribute">id</a></code> attribute</dt>
+
+ <dd>Let <var title="">id</var> be <a href="#the-document-s-current-address">the document's current
+ address</a>, with the fragment identifier (if any) removed,
+ and with a new fragment identifier specified, consisting of the
+ value of the <var title="">article</var> element's <code title="attr-id"><a href="#the-id-attribute">id</a></code> attribute. Let <var title="">has-alternate</var> be false.</dd>
+
+ <dt>Otherwise</dt>
+
+ <dd>Let <var title="">id</var> be a user-agent defined
+ undereferencable yet globally unique <a href="#absolute-url">absolute
+ URL</a>. Let <var title="">has-alternate</var> be
+ false.</dd>
+
+ </dl></li>
+
+ <li>
+
+ <p>Append an <code title="">id</code> element in the <a href="#atom-namespace">Atom
+ namespace</a> to <var title="">E</var> whose contents is a
+ text node with its data set to <var title="">id</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">has-alternate</var> is true: Let <var title="">x</var> be a <code title="">link</code> element in the
+ <a href="#atom-namespace">Atom namespace</a>. Add a <code title="">rel</code>
+ attribute whose value is the string "<code title="">alternate</code>" to <var title="">x</var>. Append a
+ text node with its data set to <var title="">id</var> to <var title="">x</var>. Append <var title="">x</var> to <var title="">E</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">article</var> has a <code title="attr-article-pubdate"><a href="#attr-article-pubdate">pubdate</a></code> attribute, and <a href="#parse-a-global-date-and-time-string" title="parse a global date and time string">parsing that
+ attribute's value as a global date and time string</a> does
+ not result in an error, then let <var title="">publication
+ date</var> be the value of that attribute.</p>
+
+ <p>Otherwise, let <var title="">publication date</var> have no
+ value.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">update date</var> has no value but <var title="">publication date</var> does, then let <var title="">update date</var> have the value of <var title="">publication date</var>.</p>
+
+ <p>Otherwise, if <var title="">publication date</var> has no
+ value but <var title="">update date</var> does, then let <var title="">publication date</var> have the value of <var title="">update date</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">update date</var> has a value, and <var title="">global update date</var> has no value or is less recent
+ than <var title="">update date</var>, then let <var title="">global update date</var> have the value of <var title="">update date</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>If <var title="">publication date</var> and <var title="">update date</var> both still have no value, then let
+ them both value a value that is a <a href="#valid-global-date-and-time-string">valid global date and
+ time string</a> representing the <a href="#concept-datetime" title="concept-datetime">global date and time</a> of the
+ moment that this algorithm was invoked.</p>
+
+ </li>
+
+ <li>
+
+ <p>Append an <code title="">published</code> element in the
+ <a href="#atom-namespace">Atom namespace</a> to <var title="">E</var> whose
+ contents is a text node with its data set to <var title="">publication date</var>.</p>
+
+ </li>
+
+ <li>
+
+ <p>Append an <code title="">updated</code> element in the
+ <a href="#atom-namespace">Atom namespace</a> to <var title="">E</var> whose
+ contents is a text node with its data set to <var title="">update date</var>.</p>
+
+ </li>
+
+ </ol></li>
+
+ <li>
+
+ <p>If <var title="">global update date</var> has no value, then
+ let it have a value that is a <a href="#valid-global-date-and-time-string">valid global date and time
+ string</a> representing the <a href="#concept-datetime" title="concept-datetime">global date and time</a> of the date
+ and time of the <code>Document</code>'s source file's last
+ modification, if it is known, or else of the moment that this
+ algorithm was invoked.</p>
+
+ </li>
+
+ <li>
+
+ <p>Insert an <code title="">updated</code> element in the
+ <a href="#atom-namespace">Atom namespace</a> into the root element of <var title="">R</var> before the first <code title="">entry</code> in
+ the <a href="#atom-namespace">Atom namespace</a> whose contents is a text node with
+ its data set to <var title="">global update date</var>.</p>
+
+ </li>
+
+ <li><p>Return the Atom document <var title="">R</var>.</li>
+
+ </ol><p>The <dfn id="atom-namespace">Atom namespace</dfn> is: <code>http://www.w3.org/2005/Atom</code><h2 id="browsers"><span class="secno">6 </span>Web browsers</h2><div class="impl">
<p>This section describes features that apply most directly to Web
browsers. Having said that, unless specified elsewhere, the
Received on Friday, 22 May 2009 05:57:46 UTC