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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="20101123124728" timestamp="2010-11-23T12:47:28Z" ns="0" title="Cloture electrique" />
        <page value="20101213103144" timestamp="2010-12-13T10:31:44Z" ns="0" title="Pink fight 11 12 10" />
        <page value="20101214105111" timestamp="2010-12-14T10:51:11Z" ns="0" title="Projets:Perso:2010:MonocycleGyrostabilise" />
        <page value="20110105103143" timestamp="2011-01-05T10:31:43Z" ns="0" title="Projets:Perso:2010:Petit Buggy en Bambou monoplace" />
        <page value="20110112124816" timestamp="2011-01-12T12:48:16Z" ns="0" title="Projets:Perso:2010:ToyHacking" />
        <page value="20110125094933" timestamp="2011-01-25T09:49:33Z" ns="0" title="Projets:Perso:2011:Stylophone numerique" />
        <page value="20110202140345" timestamp="2011-02-02T14:03:45Z" ns="0" title="Projets:Perso:2011:SedPaint" />
        <page value="20110211184028" timestamp="2011-02-11T18:40:28Z" ns="0" title="Projets:Perso:2011:RobotCup" />
        <page value="20110216175241" timestamp="2011-02-16T17:52:41Z" ns="0" title="Alim mutualisée" />
        <page value="20110226204013" timestamp="2011-02-26T20:40:13Z" ns="0" title="Projets:Perso:2011:Pantagruel" />
      </results>
    </querypage>
  </query>
</api>