Add an example to the hover media feature

Author: Florian Rivoal

css4-mediaqueries/Overview.html

@@ -25,11 +25,11 @@
 
    <h1 id=media-queries>Media Queries Level 4</h1>
 
-   <h2 class="no-num no-toc" id=w3c-working>Editor's Draft 21 May 2012</h2>
+   <h2 class="no-num no-toc" id=w3c-working>Editor's Draft 22 May 2012</h2>
 
    <dl>
     <dt>This Version:</dt>
-    <!-- <dd><a href="http://www.w3.org/TR/2012/ED-css4-mediaqueries-20120521//">http://www.w3.org/TR/2012/ED-css4-mediaqueries-20120521/</a></dd> -->
+    <!-- <dd><a href="http://www.w3.org/TR/2012/ED-css4-mediaqueries-20120522//">http://www.w3.org/TR/2012/ED-css4-mediaqueries-20120522/</a></dd> -->
 
     <dd><a
      href="http://dev.w3.org/csswg/css4-mediaqueries/">http://dev.w3.org/csswg/css4-mediaqueries/</a>
@@ -1096,6 +1096,16 @@ <h3 id=hover><span class=secno>4.15. </span>hover</h3>
   <p>Only 0 and 1 are valid values. (This includes -0.) Thus everything else
    creates a malformed media query.
 
+  <div class=example>
+   <pre><code>/* Only use a hover-activated drop down menu on devices that can hover. */
+@media (hover) {
+	.menu &gt; li        {display:inline-block;}
+	.menu ul          {display:none; position:absolute;}
+	.menu li:hover ul {display:block; list-style:none; padding:0;}
+	/* ... */
+}</code></pre>
+  </div>
+
   <h2 id=values><span class=secno>5. </span>Values</h2>
 
   <p>Value types not defined in this specification, such as &lt;integer&gt;,

css4-mediaqueries/Overview.src.html

@@ -965,6 +965,17 @@ <h3 id="hover">hover</h3>
 <p>Only 0 and 1 are valid values. (This includes -0.) Thus everything else
 creates a malformed media query.</p>
 
+<div class="example">
+	<pre><code>/* Only use a hover-activated drop down menu on devices that can hover. */
+@media (hover) {
+	.menu &gt; li        {display:inline-block;}
+	.menu ul          {display:none; position:absolute;}
+	.menu li:hover ul {display:block; list-style:none; padding:0;}
+	/* ... */
+}</code></pre>
+</div>
+
+
 <h2 id="values">Values</h2>
 
 <p>Value types not defined in this specification, such as &lt;integer&gt;,