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="Figure paper Final.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="241" ns="6" title="File:2smc help.pdf" />
      <page pageid="244" ns="6" title="File:Annotate2 help.pdf" />
      <page pageid="243" ns="6" title="File:Annotate help.pdf" />
      <page pageid="245" ns="6" title="File:Browsing help.pdf" />
      <page pageid="8" ns="6" title="File:Case1Files.zip" />
      <page pageid="9" ns="6" title="File:Case2Files.zip" />
      <page pageid="10" ns="6" title="File:Control1Files.zip" />
      <page pageid="11" ns="6" title="File:Control2Files.zip" />
      <page pageid="41" ns="6" title="File:DbSNP 36.3.bed.bgz.zip" />
      <page pageid="40" ns="6" title="File:DbSNP 36.3.gpfile.zip" />
    </pages>
  </query>
</api>