title: h:commandLink with f:ajax doesn't work
body: <p>i use jsf2.0. my code look like this:</p>
  
  <pre><code>&lt;h:form id="form"&gt;
      &lt;h:commandButton  value="testbutton" action="#{Bean.test}"&gt;
          &lt;f:ajax   render="msg"/&gt;
      &lt;/h:commandButton&gt;
      &lt;h:outputText value="#{Bean.outmsg}" id="msg"/&gt;
  &lt;/h:form&gt;
  </code></pre>
  
  <p>it's working well.
  but if i change h:commandbutton to h:commandlink,
  code look like this:</p>
  
  <pre><code>&lt;h:form id="form"&gt;
      &lt;h:commandLink  value="testbutton" action="#{Bean.test}"&gt;
          &lt;f:ajax   render="msg"/&gt;
      &lt;/h:commandLink&gt;
      &lt;h:outputText value="#{Bean.outmsg}" id="msg"/&gt;
  &lt;/h:form&gt;
  </code></pre>
  
  <p>then my code can't work.
  i need help,thanks guys.</p>