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@@ -678,7 +678,11 @@ |
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<li><a href="#linkTypes"><span class=secno>4.5.3. </span>Link
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types</a>
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- <li><a href="#image"><span class=secno>4.5.4. </span>Image maps</a>
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+ <li><a href="#link-type"><span class=secno>4.5.4. </span>Link type
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+ "<dfn id=alternate
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+ title=rel-alternate><code>alternate</code></dfn>"</a>
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+
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+ <li><a href="#image"><span class=secno>4.5.5. </span>Image maps</a>
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</ul>
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<li><a href="#tabular0"><span class=secno>4.6. </span>Tabular data</a>
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@@ -14764,75 +14768,14 @@ XXX selection ranges --> |
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<h4 id=linkTypes><span class=secno>4.5.3. </span>Link types</h4>
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- <p class=big-issue>This section might at some future point list a small set
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- of link <code>rel</code>ationship types and more exactly define their
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- semantics than HTML4. This section (or indeed this specification in
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- general) is unlikely to specify anything related to the <code
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- title=attr-head-profile><a href="#profile">profile</a></code> attribute
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- and how to extend the link types in HTML. Work in this area is currently
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- being done by <a href="http://gmpg.org/">GMPG</a> and <a
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- href="http://protogenius.com/rel-schemas/draft-scheid-rel-schemas-00.htm">others</a>.</p>
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- <!--
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-this section defines whether a particular link type is an external resource or a hyperlink
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+ <p>The following table summarises the link types that are defined by this
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+ specification. This table is non-normative; the actual definitions for the
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+ link types are given in the next few sections.
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-
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- issues for rel="", etc:
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- rel="alternate" with hreflang=""
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- rel="alternate" with type=""
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- rel="alternate" with media=""
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- rel="alternate stylesheet"
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- rel="up" vs rel="up up" vs rel="up up up top"
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- rel="feed" vs rel="alternate" type="application/rss+xml"
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- rel="icon"
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- rel="script"
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- rel="related" // see also
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- rel="prefetch"
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- rel="help" (Charles McCathieNevile): alternative to help="". give algo for nearest con.-sen. help
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- `-> "Nearness" seems in general like a really bad way to guess where the
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- > help is. Do you mean closest in the markup, or in the laid-out
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- > rendering? If the link were required to be inside a label in order to be
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- > associated with a form control, that might make sense though.
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- rev=""
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- rel="nofollow" - http://www.google.com/googleblog/2005/01/preventing-comment-spam.html
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- Refers to a resource that may be related to the linking
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- document, but is not endorsed by the author. This should
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- not be counted as a negative rating for the resource,
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- however. - http://www.w3.org/mid/41F0E7FA.4060301@iinet.net.au
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- - http://radio.weblogs.com/0001011/2005/01/31.html#a9301 (scoble on why it isn't bad)
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- which relationship combinations are allowed
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- what multiple values might mean (multiple rel="top")
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- removal of redundancy
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- http://www.euronet.nl/~tekelenb/WWW/LINK/
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- http://shift.freezope.org/konq_rellinks/development_html
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- http://hixie.ch/specs/html/link/001
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- http://hixie.ch/specs/html/link/002
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- http://www.hixie.ch/specs/html/metadata
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-
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- <nav>
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- <p>
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- <a href="/" rel="top up up up">Main</a> >
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- <a href="/products/" rel="up up">Products</a> >
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- <a href="/products/dishwashers" rel="up">Dishwashers</a> >
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- Second hand
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- </p>
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- </nav>
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-
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-mpt says:
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-> "As with <a> elements, when <link> elements that use these relationships
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-> are present, UAs should render them. As with <a> elements, when <link>
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-> elements that use these relationships do not exist, UAs should not
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-> render them. UAs should not make <link> rendering any easier to hide
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-> than <a> rendering."
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-
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- rel="bookmark" gives permalink of nearest sectioning element
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- <dd>The first <code>a</code> element with a <code>rel</code>
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- attribute having as one of its values the keyword
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- <code>bookmark</code> in a depth first search of the
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- <code>article</code> element is the article's permalink.
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-
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-disallow: http://microformats.org/wiki/rel-enclosure
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-
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- -->
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+ <p>In this section, the term <em>referenced document</em> refers to the
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+ resource identified by the element representing the link, and the term
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+ <em>current document</em> refers to the resource within which the element
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+ representing the link finds itself.
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<table>
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<thead>
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@@ -14851,14 +14794,14 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<tbody>
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<tr>
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- <td><code title=rel-alternate>alternate</code></td>
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+ <td><code title=rel-alternate><a href="#alternate0">alternate</a></code></td>
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<!-- second most used <link rel> value -->
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<td><a href="#hyperlink0" title="hyperlink link">Hyperlink</a>
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Gives alternate representations of the document.
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+ <td>Gives alternate representations of the current document.
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<tr>
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<td><code title=rel-archives>archives</code>
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@@ -14877,7 +14820,7 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Gives a link to the document's author.
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+ <td>Gives a link to the current document's author.
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<tr>
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<td><code title=rel-bookmark>bookmark</code></td>
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@@ -14897,7 +14840,7 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Gives a link to contact information for the document.
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+ <td>Gives a link to contact information for the current document.
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<tr>
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<td><code title=rel-external>external</code></td>
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@@ -14907,8 +14850,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the target resource is not part of the site that the
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- document is part of.
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+ <td>Indicates that the target document is not part of the same site as
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+ the current document.
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<tr>
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<td><code title=rel-feed>feed</code>
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@@ -14917,7 +14860,7 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Gives the address of a syndication feed for the document.
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+ <td>Gives the address of a syndication feed for the current document.
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<tr>
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<td><code title=rel-first>first</code>
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@@ -14926,8 +14869,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document is a part of a series, and that the
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- first document in the series is the target document.
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+ <td>Indicates that the current document is a part of a series, and that
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+ the first document in the series is the target document.
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<tr>
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<td><code title=rel-help>help</code>
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@@ -14947,7 +14890,7 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><em>not allowed</em>
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- <td>Imports an icon to represent the document.
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+ <td>Imports an icon to represent the current document.
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<tr>
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<td><code title=rel-index>index</code></td>
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@@ -14967,8 +14910,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document is a part of a series, and that the last
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- document in the series is the target document.
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+ <td>Indicates that the current document is a part of a series, and that
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+ the last document in the series is the target document.
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<tr>
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<td><code title=rel-license>license</code></td>
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@@ -14978,8 +14921,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document is covered by the copyright license
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- described by the target document.
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+ <td>Indicates that the current document is covered by the copyright
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+ license described by the target document.
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<tr>
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<td><code title=rel-next>next</code>
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@@ -14988,8 +14931,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document is a part of a series, and that the next
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- document in the series is the target document.
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+ <td>Indicates that the current document is a part of a series, and that
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+ the next document in the series is the target document.
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<tr>
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<td><code title=rel-nofollow>nofollow</code></td>
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@@ -14999,8 +14942,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document's original author or publisher does not
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- endorse the target document.
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+ <td>Indicates that the current document's original author or publisher
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+ does not endorse the target document.
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<tr>
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<td><code title=rel-pingback>pingback</code>
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@@ -15011,7 +14954,7 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><em>not allowed</em>
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<td>Gives the address of the pingback server that handles pingbacks to
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- this document.
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+ the current document.
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<tr>
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<td><code title=rel-prefetch>prefetch</code>
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@@ -15031,8 +14974,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Indicates that the document is a part of a series, and that the
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- previous document in the series is the target document.
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+ <td>Indicates that the current document is a part of a series, and that
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+ the previous document in the series is the target document.
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<tr>
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<td><code title=rel-search>search</code></td>
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@@ -15075,8 +15018,8 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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<td><a href="#hyperlinks">Hyperlink</a>
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- <td>Gives a tag (identified by the given address) that applies to this
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- document.
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+ <td>Gives a tag (identified by the given address) that applies to the
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+ current document.
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<tr>
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<td><code title=rel-up>up</code>
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@@ -15089,7 +15032,112 @@ disallow: http://microformats.org/wiki/rel-enclosure |
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document.
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</table>
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- <h4 id=image><span class=secno>4.5.4. </span>Image maps</h4>
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+ <h4 id=link-type><span class=secno>4.5.4. </span>Link type "<dfn
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+ id=alternate0 title=rel-alternate><code>alternate</code></dfn>"</h4>
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+
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+ <p>On the <code><a href="#link0">link</a></code> element, if the the <code
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+ title=attr-link-rel><a href="#rel">rel</a></code> attribute also contains
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+ the keyword <code title=rel-stylesheet>stylesheet</code>, the <code
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+ title=rel-alternate><a href="#alternate0">alternate</a></code> keyword
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+ modifies the meaning of the <code title=rel-stylesheet>stylesheet</code>
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+ keyword in the way described for that keyword, and the rest of this
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+ subsection doesn't apply.
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+
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+ <p>Otherwise, the <code title=rel-alternate><a
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+ href="#alternate0">alternate</a></code> keyword indicates that the
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+ referenced document is an alternate representation of the current
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+ document.
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+
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+ <p>The nature of the target document is given by the <code
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+ title=attr-hyperlink-media><a href="#media5">media</a></code>, <code
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+ title=attr-hyperlink-hreflang><a href="#hreflang3">hreflang</a></code>,
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+ and <code title=attr-hyperlink-type><a href="#type14">type</a></code>
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+ attributes.
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+
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+ <p>If the <code title=rel-alternate><a
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+ href="#alternate0">alternate</a></code> keyword is used with the <code
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+ title=attr-hyperlink-media><a href="#media5">media</a></code> attribute,
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+ it indicates that the target document is intended for use with the media
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+ specified.
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+
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+ <p>If the <code title=rel-alternate><a
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+ href="#alternate0">alternate</a></code> keyword is used with the <code
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+ title=attr-hyperlink-hreflang><a href="#hreflang3">hreflang</a></code>
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+ attribute, it indicates that the target document is a translation.
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+
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+ <p>If the <code title=rel-alternate><a
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+ href="#alternate0">alternate</a></code> keyword is used with the <code
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+ title=attr-hyperlink-type><a href="#type14">type</a></code> attribute, it
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+ indicates that the target document is a reformulation of the current
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+ document in the specified format.
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+
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+ <p>If the <code title=rel-alternate><a
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+ href="#alternate0">alternate</a></code> keyword is used with the <code
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+ title=attr-hyperlink-type><a href="#type14">type</a></code> attribute set
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+ to the value <code title="">application/rss+xml</code> or the value <code
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+ title="">application/atom+xml</code>, then the user agent must treat the
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+ link as it would if it had the <code title=rel-feed>feed</code> keyword
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+ specified as well.</p>
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+ <!--
|
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|
+this section defines whether a particular link type is an external resource or a hyperlink
|
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|
+
|
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+
|
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+ issues for rel="", etc:
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+ rel="alternate stylesheet"
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+ rel="up" vs rel="up up" vs rel="up up up top"
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+ rel="feed" vs rel="alternate" type="application/rss+xml"
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+ rel="icon"
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+ rel="script"
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+ rel="related" // see also
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+ rel="prefetch"
|
|
|
+ rel="help" (Charles McCathieNevile): alternative to help="". give algo for nearest con.-sen. help
|
|
|
+ `-> "Nearness" seems in general like a really bad way to guess where the
|
|
|
+ > help is. Do you mean closest in the markup, or in the laid-out
|
|
|
+ > rendering? If the link were required to be inside a label in order to be
|
|
|
+ > associated with a form control, that might make sense though.
|
|
|
+ rev=""
|
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|
+ rel="nofollow" - http://www.google.com/googleblog/2005/01/preventing-comment-spam.html
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+ Refers to a resource that may be related to the linking
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|
+ document, but is not endorsed by the author. This should
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+ not be counted as a negative rating for the resource,
|
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|
+ however. - http://www.w3.org/mid/41F0E7FA.4060301@iinet.net.au
|
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|
+ - http://radio.weblogs.com/0001011/2005/01/31.html#a9301 (scoble on why it isn't bad)
|
|
|
+ which relationship combinations are allowed
|
|
|
+ what multiple values might mean (multiple rel="top")
|
|
|
+ removal of redundancy
|
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|
+ http://www.euronet.nl/~tekelenb/WWW/LINK/
|
|
|
+ http://shift.freezope.org/konq_rellinks/development_html
|
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|
+ http://hixie.ch/specs/html/link/001
|
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|
+ http://hixie.ch/specs/html/link/002
|
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|
+ http://www.hixie.ch/specs/html/metadata
|
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+
|
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+ <nav>
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+ <p>
|
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+ <a href="/" rel="top up up up">Main</a> >
|
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|
+ <a href="/products/" rel="up up">Products</a> >
|
|
|
+ <a href="/products/dishwashers" rel="up">Dishwashers</a> >
|
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|
+ Second hand
|
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|
+ </p>
|
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|
+ </nav>
|
|
|
+
|
|
|
+mpt says:
|
|
|
+> "As with <a> elements, when <link> elements that use these relationships
|
|
|
+> are present, UAs should render them. As with <a> elements, when <link>
|
|
|
+> elements that use these relationships do not exist, UAs should not
|
|
|
+> render them. UAs should not make <link> rendering any easier to hide
|
|
|
+> than <a> rendering."
|
|
|
+
|
|
|
+ rel="bookmark" gives permalink of nearest sectioning element
|
|
|
+ <dd>The first <code>a</code> element with a <code>rel</code>
|
|
|
+ attribute having as one of its values the keyword
|
|
|
+ <code>bookmark</code> in a depth first search of the
|
|
|
+ <code>article</code> element is the article's permalink.
|
|
|
+
|
|
|
+disallow: http://microformats.org/wiki/rel-enclosure
|
|
|
+
|
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+ -->
|
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+
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+ <h4 id=image><span class=secno>4.5.5. </span>Image maps</h4>
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|
|
|
|
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<p class=big-issue>...<dfn id=image0>image map</dfn>, <dfn id=valid5>valid
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|
area</dfn>, <dfn id=usemap1
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0 comments on commit
d9d5bca