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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="20080407232723" timestamp="2008-04-07T23:27:23Z" ns="0" title="Guidelines" />
        <page value="20080408200500" timestamp="2008-04-08T20:05:00Z" ns="0" title="Importing Categories" />
        <page value="20080409182941" timestamp="2008-04-09T18:29:41Z" ns="0" title="Creating Themes" />
        <page value="20080416005007" timestamp="2008-04-16T00:50:07Z" ns="0" title="Hide Shipping Estimates" />
        <page value="20080627205853" timestamp="2008-06-27T20:58:53Z" ns="0" title="More" />
        <page value="20080719165825" timestamp="2008-07-19T16:58:25Z" ns="0" title="Development Resources" />
        <page value="20080814130254" timestamp="2008-08-14T13:02:54Z" ns="0" title="Running Your Store" />
        <page value="20080814131459" timestamp="2008-08-14T13:14:59Z" ns="0" title="Making the most of the custom Order Status feature" />
        <page value="20080819081653" timestamp="2008-08-19T08:16:53Z" ns="0" title="Where to find database connection string in AbleCommerce" />
        <page value="20080904035010" timestamp="2008-09-04T03:50:10Z" ns="0" title="Prevent the Top Sellers from showing in Shopping Bar 1" />
      </results>
    </querypage>
  </query>
</api>