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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="20130918204743" timestamp="2013-09-18T20:47:43Z" ns="0" title="Debian" />
        <page value="20130918205025" timestamp="2013-09-18T20:50:25Z" ns="0" title="Peaberry SDR kits" />
        <page value="20130918210036" timestamp="2013-09-18T21:00:36Z" ns="0" title="Funcube dongle" />
        <page value="20130918211520" timestamp="2013-09-18T21:15:20Z" ns="0" title="Telescope mount" />
        <page value="20130918212258" timestamp="2013-09-18T21:22:58Z" ns="0" title="WSPR" />
        <page value="20130918234332" timestamp="2013-09-18T23:43:32Z" ns="0" title="STM32F4" />
        <page value="20131011140542" timestamp="2013-10-11T14:05:42Z" ns="0" title="Arduino" />
        <page value="20140128205247" timestamp="2014-01-28T20:52:47Z" ns="0" title="DDS documentation" />
        <page value="20140308152016" timestamp="2014-03-08T15:20:16Z" ns="0" title="OLinuXino" />
        <page value="20140329000658" timestamp="2014-03-29T00:06:58Z" ns="0" title="N2PK WSPR" />
      </results>
    </querypage>
  </query>
</api>