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="20150722154705" timestamp="2015-07-22T15:47:05Z" ns="0" title="ホントですか" />
        <page value="20150806163207" timestamp="2015-08-06T16:32:07Z" ns="0" title="概論" />
        <page value="20150806163350" timestamp="2015-08-06T16:33:50Z" ns="0" title="ファンタジー世界考証：概論" />
        <page value="20150908140804" timestamp="2015-09-08T14:08:04Z" ns="0" title="エビデンス" />
        <page value="20151102155133" timestamp="2015-11-02T15:51:33Z" ns="0" title="一本糞華厳落とし" />
        <page value="20160118144021" timestamp="2016-01-18T14:40:21Z" ns="0" title="確定負け戦闘" />
        <page value="20160511190624" timestamp="2016-05-11T19:06:24Z" ns="0" title="モンストを褒める" />
        <page value="20160511191022" timestamp="2016-05-11T19:10:22Z" ns="0" title="魔法が存在する社会における「身分」" />
        <page value="20160518172405" timestamp="2016-05-18T17:24:05Z" ns="0" title="VRエロ" />
        <page value="20160518173631" timestamp="2016-05-18T17:36:31Z" ns="0" title="メインページ" />
      </results>
    </querypage>
  </query>
</api>