title: preselect a radio input in visualforce
body: <p>I have added checked="checked" to the input but it doesn't get preselected. </p>
  
  <pre><code>&lt;label class="label Single" for="whoCovered_S"&gt;&lt;input id="whoCovered_S" tabindex="1" type="radio" value="Just myself" name="WhoCovered" showhelp="1" checked="checked" /&gt;Just myself&lt;/label&gt;
  </code></pre>
  
  <p>Any idea why this doesn't work?</p>
  
  <p>thank you in advance!</p>