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>
    <alllinks galcontinue="Linux_Spoken_Tutorial/Basic_Level_Tutorial_Set/Linux-part1" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Glossary for" missing="" />
      <page pageid="39" ns="0" title="Compatible File Formats" />
      <page pageid="37" ns="0" title="Dubbing Stages" />
      <page pageid="279" ns="0" title="EduEasy Computer Literacy Programme" />
      <page pageid="278" ns="0" title="EduEasy Master Training Programme for Teachers" />
      <page pageid="34" ns="0" title="FOSS Stages" />
      <page pageid="36" ns="0" title="FOSS Stages/Checklist" />
      <page pageid="35" ns="0" title="FOSS Stages/Summary" />
      <page pageid="2" ns="0" title="How to use OpenOffice script template" />
      <page pageid="239" ns="0" title="Images/1/1f/Training-Request-Sheet.pdf" />
    </pages>
  </query>
</api>