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>
    <querypage name="Ancientpages">
      <results>
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".222 Remington" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22 Long Rifle" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22-250 Remington" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22 Hornet" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22 CB" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".17 Rimfire" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22 Long" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".22 Short" />
        <page value="20130315202337" timestamp="2013-03-15T20:23:37Z" ns="0" title=".223 Remington" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>