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Short URL: http://html5.org/r/4086

Index: source
===================================================================
--- source	(revision 4085)
+++ source	(revision 4086)
@@ -55068,16 +55068,33 @@
 
   <p>As mentioned earlier, each <span>browsing context</span> has a
   <dfn><code>WindowProxy</code></dfn> object. This object is unusual
-  in that it must proxy all operations to the <code>Window</code>
-  object of the <span>browsing context</span>'s <span>active
-  document</span>. It is thus indistinguishable from that
-  <code>Window</code> object in every way, except that it is not equal
-  to it.</p>
+  in that all operations that would be performed on it must be
+  performd on the <code>Window</code> object of the <span>browsing
+  context</span>'s <span>active document</span> instead. It is thus
+  indistinguishable from that <code>Window</code> object in every way
+  until the <span>browsing context</span> is navigated.</p>
 
+  <p>There is no <code>WindowProxy</code> interface object.</p>
+
+  <div class="example">
+
+   <p>In the following example, the variable <var title="">x</var> is
+   set to the <code>WindowProxy</code> object returned by the <code
+   title="dom-window">window</code> accessor on the global scope. All
+   of the expressions following the assignment return true, because in
+   every respect, the <code>WindowProxy</code> object acts like the
+   underlying <code>Window</code> object.</p>
+
+   <pre>var x = window;
+x instanceof Window; // true
+x === this; // true</pre>
+
   </div>
 
+  </div>
 
 
+
   <h3>The <code>Window</code> object</h3>
 
   <pre class="idl">[OverrideBuiltins]

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