I have some xml documents:
1) <a><b><c id='1'/></b></a>
2) <a><b><c id='2'/></b></a>
3) <a><d><c id='3'/></d></a>

I want to concatenate them to get
<a>
   <b>
     <c id='1'/>
     <c id='2'/>
   </b>
   <d>
     <c id='3'/>
   </d>
</a>

How can I make this using REXML?

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Andrew Kulinich
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