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="20140317104043" timestamp="2014-03-17T10:40:43Z" ns="0" title="Don Diego" />
        <page value="20140324202836" timestamp="2014-03-24T20:28:36Z" ns="0" title="Heuchlinger Stadtgarde" />
        <page value="20140326183423" timestamp="2014-03-26T18:34:23Z" ns="0" title="Carolus Rex Bewegung" />
        <page value="20140327192738" timestamp="2014-03-27T19:27:38Z" ns="0" title="Myrmidias Arm" />
        <page value="20140421203448" timestamp="2014-04-21T20:34:48Z" ns="0" title="Familie Pfinzing" />
        <page value="20140423204838" timestamp="2014-04-23T20:48:38Z" ns="0" title="Heim für gefallene Mädchen" />
        <page value="20141016112214" timestamp="2014-10-16T11:22:14Z" ns="0" title="Maria" />
        <page value="20141113121845" timestamp="2014-11-13T12:18:45Z" ns="0" title="Schultheiß" />
        <page value="20141114103056" timestamp="2014-11-14T10:30:56Z" ns="0" title="Stadtherr" />
        <page value="20141114104112" timestamp="2014-11-14T10:41:12Z" ns="0" title="Bürgermeister" />
      </results>
    </querypage>
  </query>
</api>