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="20131028215111" timestamp="2013-10-28T21:51:11Z" ns="0" title="Adla and Sons" />
        <page value="20131028215137" timestamp="2013-10-28T21:51:37Z" ns="0" title="Achilich, John" />
        <page value="20131028215152" timestamp="2013-10-28T21:51:52Z" ns="0" title="A and P" />
        <page value="20131028215732" timestamp="2013-10-28T21:57:32Z" ns="0" title="Abble Awning" />
        <page value="20131028215753" timestamp="2013-10-28T21:57:53Z" ns="0" title="Amendola Family" />
        <page value="20131028215810" timestamp="2013-10-28T21:58:10Z" ns="0" title="Altmann, G Emre" />
        <page value="20131028222837" timestamp="2013-10-28T22:28:37Z" ns="0" title="American Legion Archie McCord Post" />
        <page value="20131028222912" timestamp="2013-10-28T22:29:12Z" ns="0" title="Anderson&#039;s Florist" />
        <page value="20131028222929" timestamp="2013-10-28T22:29:29Z" ns="0" title="Albertson, Eugene, Jr" />
        <page value="20131028223000" timestamp="2013-10-28T22:30:00Z" ns="0" title="All About Floors" />
      </results>
    </querypage>
  </query>
</api>