title: Extjs XTemplate two same level array loop?
body: <p>I want to use XTempate with the follow json data ,loop the one array in another array,</p>
  
  <pre><code>var data = {
      name : 'xxx',
      rowTitleArr : ['1','2','3'],
      colTitleArr : ['a','b','c']
  }
  var tpl = [
      '{name}',
      '&lt;tpl for="{rowTitleArr}"&gt;',
          '----{.}&lt;br&gt;',
          '&lt;tpl for="parent.colTitleArr"&gt;',
              '---------{.}&lt;br&gt;',
          '&lt;/tpl&gt;',
      '&lt;/tpl&gt;'
  ];
  var t = new Ext.Template(tpl);
  t.overwrite(xx,data);
  </code></pre>
  
  <p>but the result is :</p>
  
  <pre><code>  ----1
    ---------a  
    ---------b
    ---------c
    ----2
    ----3
  </code></pre>
  
  <p>I want the follow result:</p>
  
  <pre><code>  ----1
    --------a
    --------b
    --------c
    ----2
    --------a
    --------b
    --------c
    ----3  
    --------a
    --------b
    --------c
  </code></pre>
  
  <p>why ? I make a mistake? 
    thanks ahead!</p>