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="20060603014327" timestamp="2006-06-03T01:43:27Z" ns="0" title="Northumberland County" />
        <page value="20060610023226" timestamp="2006-06-10T02:32:26Z" ns="0" title="Tiverton-1906" />
        <page value="20060610142056" timestamp="2006-06-10T14:20:56Z" ns="0" title="Atkinson/McFadyen - F1372" />
        <page value="20060618024742" timestamp="2006-06-18T02:47:42Z" ns="0" title="SARLES FAMILY HISTORY" />
        <page value="20060624223920" timestamp="2006-06-24T22:39:20Z" ns="0" title="Kincardine Township Con 12 Lot 16" />
        <page value="20060624232412" timestamp="2006-06-24T23:24:12Z" ns="0" title="Kincardine Township Con 12 Lot 17" />
        <page value="20060627031809" timestamp="2006-06-27T03:18:09Z" ns="0" title="McFadyen, John Eldon - I2" />
        <page value="20060627033826" timestamp="2006-06-27T03:38:26Z" ns="0" title="Bertrand - McFadyen - wedding" />
        <page value="20060701032321" timestamp="2006-07-01T03:23:21Z" ns="0" title="Tiverton" />
        <page value="20060702020308" timestamp="2006-07-02T02:03:08Z" ns="0" title="Cottar" />
      </results>
    </querypage>
  </query>
</api>