You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaifrom="Example.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="308" ns="6" title="File:Add-profile-tab button.png" />
      <page pageid="199" ns="6" title="File:All cities final.csv" />
      <page pageid="90" ns="6" title="File:Arr r.png" />
      <page pageid="93" ns="6" title="File:Attention niels epting.svg" />
      <page pageid="312" ns="6" title="File:Broken.png" />
      <page pageid="311" ns="6" title="File:Broken.svg" />
      <page pageid="91" ns="6" title="File:Bulbgraph.png" />
      <page pageid="300" ns="6" title="File:Button sig.png" />
      <page pageid="313" ns="6" title="File:Deprecated.png" />
      <page pageid="51" ns="6" title="File:Example-white-bg.jpg" />
    </pages>
  </query>
</api>