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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query>
    <embeddedin>
      <ei pageid="40" ns="0" title="Kombinat" />
      <ei pageid="140" ns="0" title="Half-Life" />
      <ei pageid="147" ns="0" title="Portal" />
      <ei pageid="154" ns="0" title="Half-Life 2" />
      <ei pageid="156" ns="0" title="Team Fortress 2" />
      <ei pageid="158" ns="12" title="Pomoc:Używanie szablonów" />
      <ei pageid="160" ns="12" title="Pomoc:Popularne szablony" />
      <ei pageid="220" ns="0" title="Valve Corporation" />
      <ei pageid="239" ns="0" title="Gravity Gun" />
      <ei pageid="262" ns="0" title="Half-Life: Source" />
    </embeddedin>
  </query>
  <query-continue>
    <embeddedin eicontinue="10|Stub|263" />
  </query-continue>
</api>