[e] (0) Tweak element definitions based on data collected from a stud…

…y Jeremey did.

git-svn-id: http://svn.whatwg.org/webapps@3869 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

    <dd>Uses <code><a href=#htmlelement>HTMLElement</a></code>.</dd>
   </dl><p>The <code><a href=#the-section-element>section</a></code> element <a href=#represents>represents</a> a
   generic document or application section. A section, in this context,
-  is a thematic grouping of content, typically with a heading, possibly
-  with a footer.</p>
+  is a thematic grouping of content, typically with a heading.</p>
 
   <p class=example>Examples of sections would be chapters, the
   various tabbed pages in a tabbed dialog box, or the numbered
    <dt>DOM interface:</dt>
    <dd>Uses <code><a href=#htmlelement>HTMLElement</a></code>.</dd>
   </dl><p>The <code><a href=#the-article-element>article</a></code> element <a href=#represents>represents</a> a
-  section of a page that consists of a composition that forms an
-  independent part of a document, page, application, or site. This
-  could be a forum post, a magazine or newspaper article, a Web log
-  entry, a user-submitted comment, an interactive widget, or any other
-  independent item of content.</p>
+  component of a page that consists of a self-contained composition
+  that forms an independent part of a document, page, application, or
+  site. This could be a forum post, a magazine or newspaper article, a
+  Web log entry, a user-submitted comment, an interactive widget, or
+  any other independent item of content.</p>
 
   <p>An <code><a href=#the-article-element>article</a></code> element is "independent" in the sense
   that its contents could stand alone, for example in syndication, or
            attribute boolean <a href=#dom-details-open title=dom-details-open>open</a>;
 };</pre>
    </dd>
-  </dl><p>The <code><a href=#the-details-element>details</a></code> element <a href=#represents>represents</a> additional
-  information or controls which the user can obtain on demand.</p>
+  </dl><p>The <code><a href=#the-details-element>details</a></code> element <a href=#represents>represents</a> a
+  disclosure widget from which the user can obtain additional
+  information or controls.</p>
 
   <p class=note>The <code><a href=#the-details-element>details</a></code> element is not appropriate
   for footnotes. Please see <a href=#footnotes>the section on

source

 
   <p>The <code>section</code> element <span>represents</span> a
   generic document or application section. A section, in this context,
-  is a thematic grouping of content, typically with a heading, possibly
-  with a footer.</p>
+  is a thematic grouping of content, typically with a heading.</p>
 
   <p class="example">Examples of sections would be chapters, the
   various tabbed pages in a tabbed dialog box, or the numbered
   </dl>
 
   <p>The <code>article</code> element <span>represents</span> a
-  section of a page that consists of a composition that forms an
-  independent part of a document, page, application, or site. This
-  could be a forum post, a magazine or newspaper article, a Web log
-  entry, a user-submitted comment, an interactive widget, or any other
-  independent item of content.</p>
+  component of a page that consists of a self-contained composition
+  that forms an independent part of a document, page, application, or
+  site. This could be a forum post, a magazine or newspaper article, a
+  Web log entry, a user-submitted comment, an interactive widget, or
+  any other independent item of content.</p>
 
   <p>An <code>article</code> element is "independent" in the sense
   that its contents could stand alone, for example in syndication, or
    </dd>
   </dl>
 
-  <p>The <code>details</code> element <span>represents</span> additional
-  information or controls which the user can obtain on demand.</p>
+  <p>The <code>details</code> element <span>represents</span> a
+  disclosure widget from which the user can obtain additional
+  information or controls.</p>
 
   <p class="note">The <code>details</code> element is not appropriate
   for footnotes. Please see <a href="#footnotes">the section on