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="20150609013724" timestamp="2015-06-09T01:37:24Z" ns="0" title="Jim&#039;s Test Page" />
        <page value="20150609013855" timestamp="2015-06-09T01:38:55Z" ns="0" title="Wix Port for 5.3 Release" />
        <page value="20150915175037" timestamp="2015-09-15T17:50:37Z" ns="0" title="Manual Versus No-Touch Installation of OnePager Express" />
        <page value="20150915202049" timestamp="2015-09-15T20:20:49Z" ns="0" title="Basic Workflows (Portal)" />
        <page value="20150917215715" timestamp="2015-09-17T21:57:15Z" ns="0" title="32-Bit and 64-Bit Versions of OnePager Express" />
        <page value="20150917220030" timestamp="2015-09-17T22:00:30Z" ns="0" title="32-Bit and 64-Bit Versions of OnePager" />
        <page value="20150917230717" timestamp="2015-09-17T23:07:17Z" ns="0" title="Critical path for OnePager (OnePager Pro)" />
        <page value="20150917230737" timestamp="2015-09-17T23:07:37Z" ns="0" title="Baselines (OnePager Express)" />
        <page value="20150917230919" timestamp="2015-09-17T23:09:19Z" ns="0" title="Labeling Task/Milestone Dates (OnePager Express)" />
        <page value="20150918150801" timestamp="2015-09-18T15:08:01Z" ns="0" title="Splitting and Parsing Columns (OnePager Express)" />
      </results>
    </querypage>
  </query>
</api>