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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="20100111185925" timestamp="2010-01-11T18:59:25Z" ns="0" title="My MediaWiki Infos" />
        <page value="20100111211538" timestamp="2010-01-11T21:15:38Z" ns="0" title="Table Erosivity" />
        <page value="20100111224742" timestamp="2010-01-11T22:47:42Z" ns="0" title="Table Erodibility" />
        <page value="20100111225450" timestamp="2010-01-11T22:54:50Z" ns="0" title="Table Slope-Length Exponent" />
        <page value="20100111230932" timestamp="2010-01-11T23:09:32Z" ns="0" title="Table Lookup-Table Landuse Codes" />
        <page value="20100111231651" timestamp="2010-01-11T23:16:51Z" ns="0" title="Table Landuse and Cover and Managment Factor" />
        <page value="20100111233316" timestamp="2010-01-11T23:33:16Z" ns="0" title="USLE units" />
        <page value="20100113212728" timestamp="2010-01-13T21:27:28Z" ns="0" title="Literature" />
        <page value="20110712170901" timestamp="2011-07-12T17:09:01Z" ns="0" title="MatLab Code for Time Calculation" />
        <page value="20110712181906" timestamp="2011-07-12T18:19:06Z" ns="0" title="Home Range Calculation Manual" />
      </results>
    </querypage>
  </query>
</api>