html5/md Overview.html,1.27,1.28

Update of /sources/public/html5/md
In directory hutz:/tmp/cvs-serv14570

Modified Files:
	Overview.html 
Log Message:
Mention that you shouldn't dereference an item type URL. (whatwg r4614)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/md/Overview.html,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -d -r1.27 -r1.28
--- Overview.html	19 Jan 2010 08:22:21 -0000	1.27
+++ Overview.html	19 Jan 2010 10:31:44 -0000	1.28
@@ -927,7 +927,23 @@
   its value is not the empty string. If the <code title="attr-itemtype"><a href="#attr-itemtype">itemtype</a></code> attribute is missing or its
   value is the empty string, the <a href="#concept-item" title="concept-item">item</a> is said to have no <a href="#item-type">item
   type</a>.<p>The <a href="#item-type">item type</a> must be a type defined in an <span title="other applicable specifications">applicable
-  specification</span>.<p>The <code title="attr-itemtype"><a href="#attr-itemtype">itemtype</a></code> attribute must
+  specification</span>.<div class="impl">
+
+   <p>Except if otherwise specified by that specification, the
+   <span>URL</span> given as the <a href="#item-type">item type</a> should not be
+   automatically dereferenced.</p>
+
+   <p class="note">A specification could define that its <a href="#item-type">item
+   type</a> can be derefenced to provide the user with help
+   information, for example. In fact, vocabulary authors are
+   encouraged to provide useful information at the given
+   <span>URL</span>.</p>
+
+   <p><a href="#item-type" title="item type">Item types</a> are opaque
+   identifiers, and user agents must not dereference unknown <a href="#item-type" title="item type">item types</a>, or otherwise deconstruct them,
+   in order to determine how to process <a href="#concept-item" title="concept-item">items</a> that use them.</p>
+
+  </div><p>The <code title="attr-itemtype"><a href="#attr-itemtype">itemtype</a></code> attribute must
   not be specified on elements that do not have an <code title="attr-itemscope"><a href="#attr-itemscope">itemscope</a></code> attribute specified.<hr><p>Elements with an <code title="attr-itemscope"><a href="#attr-itemscope">itemscope</a></code>
   attribute and an <code title="attr-itemtype"><a href="#attr-itemtype">itemtype</a></code>
   attribute that references a vocabulary that is defined to

Received on Tuesday, 19 January 2010 10:31:48 UTC