opensocial_templates.xml

<?xml version="1.0" encoding="UTF-8"?>
<Module>
  <ModulePrefs title="Test OpenSocial Templates" />
  <Content type="html"><![CDATA[
      <script type="text/javascript" src="http://ostemplates-demo.appspot.com/ostemplates.js"></script>

       <!-- A simple inline template -->
       <script type="text/os-template"> 
         <div style="font-size: 20px">Hello world!</div>
       </script>    

      <script type="text/javascript">
        function init() {
          <!-- Automatically render all inline templates in this gadget --> 
          os.Container.processDocument();
        }
        gadgets.util.registerOnLoadHandler(init);
      </script>
  ]]></Content>
</Module>