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>
  <warnings>
    <main xml:space="preserve">Unrecognized parameter: '*'</main>
  </warnings>
  <query-continue>
    <revisions rvcontinue="778" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page">
        <revisions>
          <rev user="Ewencp" timestamp="2011-04-05T03:43:24Z" comment="Redirected page to [[Sirikata]]" />
          <rev user="Ewencp" timestamp="2011-04-05T03:31:13Z" comment="Drastically cut down the main page, leaving only a description, links to other starting pages, and a brief note about getting in touch." />
          <rev user="Ewencp" timestamp="2011-03-04T02:06:58Z" comment="Not enough events to warrant a link on the front page." />
          <rev user="Bmistree" timestamp="2011-03-04T02:04:21Z" comment="/* Contact */" />
          <rev user="Ewencp" timestamp="2011-01-29T19:17:51Z" comment="Protected &quot;[[Main Page]]&quot;: High traffic page ([edit=sysop] (indefinite) [move=sysop] (indefinite))" />
        </revisions>
      </page>
    </pages>
  </query>
</api>