eserved so they are accessible on the next traversal of the
 lifecycle on this session, regardless of the request being a redirect after post, or a normal postback.
 <code>Map</code> accesses for the special key &#8220;<code>keepMessages</code>&#8221; must return the value of this
 JavaBeans property.
 </p>

 <div class="changed_added_2_0">


 <p>
 Jakarta Expression Language Usage Example
 </p>

 <blockquote>

 <p>
 First page
 </p>

 <pre>
 <code>
    &lt;html xmlns="http://www.w3.org/1999/xhtml"
        