How it's done

<script>
JSLoader.load("ria","ext","2.0-beta1");
JSLoader.load("ria","prettify","1.0");
</script>

<script>
var topics="Here is a list of topics: <ul>" +
<nop>%TOPICLIST{format="'<li>$name</li>'+"}%</nop>
"";
Ext.onReady(function(){
    var p = new Ext.Panel({
        title: 'Topic List',
        collapsible:true,
        renderTo: Ext.get("container"),
        width:400,
       html:topics
    });
});
</script>

Demo Result