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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>
    <pages>
      <page pageid="2" ns="0" title="Main Page">
        <revisions>
          <rev user="Jka" timestamp="2012-07-18T19:35:43Z" comment="Created page with &quot;&lt;big&gt;&#039;&#039;&#039;Welcome to he Coriolis Framework Wiki&#039;&#039;&#039;&lt;/big&gt;  This site is dedicated to the development of the Coriolis Framework. The framework aims to be a common development plat...&quot;" />
          <rev user="Jka" timestamp="2012-07-29T21:26:51Z" comment="removed logo upload statement" />
          <rev user="Jka" timestamp="2012-07-29T21:38:00Z" comment="moved to new server" />
          <rev user="Jka" timestamp="2012-07-29T21:42:48Z" comment="/* Moved to new server */" />
          <rev user="Jka" timestamp="2012-07-29T21:54:34Z" comment="/* Getting started with Coriolis Framework */" />
        </revisions>
      </page>
    </pages>
  </query>
  <query-continue>
    <revisions rvcontinue="8522" />
  </query-continue>
</api>