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>
    <allredirects garcontinue="Bargain|788" />
  </query-continue>
  <query>
    <pages>
      <page pageid="11" ns="0" title="Advancement" />
      <page pageid="724" ns="0" title="Harassing Speech" />
      <page pageid="725" ns="0" title="Scathing Speech" />
      <page pageid="773" ns="0" title="Cutting Insult" />
      <page pageid="774" ns="0" title="Sassy Comeback" />
      <page pageid="775" ns="0" title="Snappy Patter" />
      <page pageid="776" ns="0" title="Telling Insight" />
      <page pageid="785" ns="0" title="Discount Hunter" />
      <page pageid="786" ns="0" title="Great Wealth" />
      <page pageid="787" ns="0" title="Loot Hoarder" />
    </pages>
  </query>
</api>