Okay.  I took this behavior directly from XNA.  I can change it if you prefer.  Currently, it expects this format (like XNA).
<CollectionName>
  <Item></Item>
  <Item></Item>
  <Item></Item>
</CollectionName>

Is this what you're proposing?
<CollectionName></CollectionName>
<CollectionName></CollectionName>
<CollectionName></CollectionName>