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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20080222131555" timestamp="2008-02-22T13:15:55Z" ns="0" title="Run Estimators" />
        <page value="20080222131742" timestamp="2008-02-22T13:17:42Z" ns="0" title="Runs Created" />
        <page value="20080222131909" timestamp="2008-02-22T13:19:09Z" ns="0" title="Linear Weights" />
        <page value="20080222131931" timestamp="2008-02-22T13:19:31Z" ns="0" title="Estimated Runs Produced" />
        <page value="20080222132054" timestamp="2008-02-22T13:20:54Z" ns="0" title="Extrapolated Runs" />
        <page value="20080222132529" timestamp="2008-02-22T13:25:29Z" ns="0" title="Pete Palmer" />
        <page value="20080222132719" timestamp="2008-02-22T13:27:19Z" ns="0" title="Craig Wright" />
        <page value="20080222132740" timestamp="2008-02-22T13:27:40Z" ns="0" title="Tom House" />
        <page value="20080222134124" timestamp="2008-02-22T13:41:24Z" ns="0" title="Equivalent Runs" />
        <page value="20080222135708" timestamp="2008-02-22T13:57:08Z" ns="0" title="Tangotiger" />
      </results>
    </querypage>
  </query>
</api>