what's the best way to format an xml string in ruby?
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        Published on 2010-03-17T21:05:45Z
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            2010/03/17
            21:51 UTC
        
        
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given an xml string like this:
<some><nested><xml>value</xml></nested></some>
what's the best option (using ruby) to format it into something readable like:
<some>
  <nested>
    <xml>value</xml>
  </nested>
</some>
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