You are looking at the HTML representation of the XML format.
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="20120710063810" timestamp="2012-07-10T06:38:10Z" ns="0" title="Global Tokens" />
        <page value="20120711092151" timestamp="2012-07-11T09:21:51Z" ns="0" title="Editor" />
        <page value="20120712053840" timestamp="2012-07-12T05:38:40Z" ns="0" title="Modules" />
        <page value="20120712062109" timestamp="2012-07-12T06:21:09Z" ns="0" title="Methods of Script Launching" />
        <page value="20120712064220" timestamp="2012-07-12T06:42:20Z" ns="0" title="Debugging by Log" />
        <page value="20120716112650" timestamp="2012-07-16T11:26:50Z" ns="0" title="Demo Projects" />
        <page value="20120716112729" timestamp="2012-07-16T11:27:29Z" ns="0" title="Pages and popups" />
        <page value="20120716112750" timestamp="2012-07-16T11:27:50Z" ns="0" title="Items" />
        <page value="20120716112848" timestamp="2012-07-16T11:28:48Z" ns="0" title="Tokens" />
        <page value="20120716112917" timestamp="2012-07-16T11:29:17Z" ns="0" title="Sounds" />
      </results>
    </querypage>
  </query>
</api>