[] (0) Make rel=first/last be non-hierarchical, just sequenced.

git-svn-id: http://svn.whatwg.org/webapps@1127 340c8d12-0b0e-0410-8428-c7bf67bfef74

@@ -32069,9 +32069,9 @@ at the first element with the given ID must be treated as if it was cloned and r
    <a href="#hyperlink1" title="hyperlink link">hyperlink</a>.
 
   <p>The <code title=rel-first><a href="#first">first</a></code> keyword
-   indicates that the document is part of a hierarchical structure, and that
-   the link is leading to the document that is the first child of the current
-   document's parent document.
+   indicates that the document is part of a sequence, and that the link is
+   leading to the document that is the first logical document in the
+   sequence.
 
   <p><strong>Synonyms</strong>: For historical reasons, user agents must also
    treat the keywords "<code title="">begin</code>" and "<code
@@ -32108,9 +32108,8 @@ at the first element with the given ID must be treated as if it was cloned and r
    <a href="#hyperlink1" title="hyperlink link">hyperlink</a>.
 
   <p>The <code title=rel-last><a href="#last">last</a></code> keyword
-   indicates that the document is part of a hierarchical structure, and that
-   the link is leading to the document that is the last child of the current
-   document's parent document.
+   indicates that the document is part of a sequence, and that the link is
+   leading to the document that is the last logical document in the sequence.
 
   <p><strong>Synonyms</strong>: For historical reasons, user agents must also
    treat the keyword "<code title="">end</code>" like the <code

@@ -29540,9 +29540,8 @@ at the first element with the given ID must be treated as if it was cloned and r
   title="hyperlink link">hyperlink</span>.</p>
 
   <p>The <code title="rel-first">first</code> keyword indicates that
-  the document is part of a hierarchical structure, and that the link
-  is leading to the document that is the first child of the current
-  document's parent document.</p>
+  the document is part of a sequence, and that the link is leading to
+  the document that is the first logical document in the sequence.</p>
 
   <p><strong>Synonyms</strong>: For historical reasons, user agents
   must also treat the keywords "<code title="">begin</code>" and
@@ -29576,10 +29575,9 @@ at the first element with the given ID must be treated as if it was cloned and r
   elements. For <code>link</code> elements, it creates a <span
   title="hyperlink link">hyperlink</span>.</p>
 
-  <p>The <code title="rel-last">last</code> keyword indicates that
-  the document is part of a hierarchical structure, and that the link
-  is leading to the document that is the last child of the current
-  document's parent document.</p>
+  <p>The <code title="rel-last">last</code> keyword indicates that the
+  document is part of a sequence, and that the link is leading to the
+  document that is the last logical document in the sequence.</p>
 
   <p><strong>Synonyms</strong>: For historical reasons, user agents
   must also treat the keyword "<code title="">end</code>" like the