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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="20150211122736" timestamp="2015-02-11T12:27:36Z" ns="0" title="Permission denied" />
        <page value="20150320154457" timestamp="2015-03-20T15:44:57Z" ns="0" title="Deliverable Info" />
        <page value="20150326164221" timestamp="2015-03-26T16:42:21Z" ns="0" title="PDFconverter" />
        <page value="20150330102705" timestamp="2015-03-30T10:27:05Z" ns="0" title="TEMPLATES" />
        <page value="20150528110617" timestamp="2015-05-28T11:06:17Z" ns="0" title="Events Scenarios" />
        <page value="20150603082110" timestamp="2015-06-03T08:21:10Z" ns="0" title="Project Overview" />
        <page value="20150621091142" timestamp="2015-06-21T09:11:42Z" ns="0" title="D.1.1 - Project Handbook" />
        <page value="20150621091746" timestamp="2015-06-21T09:17:46Z" ns="0" title="2015 04 30 teleconference agenda" />
        <page value="20150621092152" timestamp="2015-06-21T09:21:52Z" ns="0" title="2015 05 28 teleconference agenda" />
        <page value="20150621093816" timestamp="2015-06-21T09:38:16Z" ns="0" title="2015 03 26 teleconference agenda" />
      </results>
    </querypage>
  </query>
</api>