title: Using JSON to populate ComboBox. Dojo 1.7 breaks it. :-(
body: <p>I have an app  that was populating a combobox with a JSON source. The HTML is below......</p>
  
  <pre><code>&lt;label for="user"&gt;User: &lt;/label&gt;
  &lt;input dojoType="dijit.form.ComboBox" class="selectionNav tableData" value="" name="user" id="sample/user"&gt;
  </code></pre>
  
  <p>The JSON from sample/user" is here......</p>
  
  <pre><code>{
  "identifier": "user",
  "label": "label",
  "items": [
      {
          "user": null,
          "label": null
      },
      {
          "user": "Joe Wilkie",
          "label": "Joe Wilkie"
      }
    ]
  }
  </code></pre>
  
  <p>Previous to dojo 1.7 this worked like a champ! After upgrading the dojo, I noticed in firebug that the JSON is still being fetched ok and is valid but it's no longer populating the comboBox. </p>
  
  <p>Any idea from anyone how this can be fixed? Many thanks in advance.
  Janie</p>