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

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

index

   <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
   <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

source

  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
  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