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="20100823232137" timestamp="2010-08-23T23:21:37Z" ns="0" title="Samsung P2270HD" />
        <page value="20100823232335" timestamp="2010-08-23T23:23:35Z" ns="0" title="Samsung DVD-1080P7" />
        <page value="20101007172647" timestamp="2010-10-07T17:26:47Z" ns="0" title="Samsung ln46a650" />
        <page value="20101007173035" timestamp="2010-10-07T17:30:35Z" ns="0" title="Vendor IDs" />
        <page value="20101007173642" timestamp="2010-10-07T17:36:42Z" ns="0" title="Sony 32D3000" />
        <page value="20101007173753" timestamp="2010-10-07T17:37:53Z" ns="0" title="Device profiles" />
        <page value="20101007174725" timestamp="2010-10-07T17:47:25Z" ns="0" title="Panasonic th-42px80" />
        <page value="20101115225652" timestamp="2010-11-15T22:56:52Z" ns="0" title="IP address" />
        <page value="20101125074705" timestamp="2010-11-25T07:47:05Z" ns="0" title="K1-100-fw-rev415" />
        <page value="20101125175145" timestamp="2010-11-25T17:51:45Z" ns="0" title="Web API" />
      </results>
    </querypage>
  </query>
</api>