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>
    <alltransclusions gatcontinue="Box-footer|255" />
  </query-continue>
  <query>
    <pages>
      <page pageid="79" ns="0" title="OER in Australia" />
      <page pageid="80" ns="10" title="Template:Node page" />
      <page pageid="214" ns="0" title="DEHub Research Projects" />
      <page pageid="218" ns="0" title="CQUniversity" />
      <page pageid="221" ns="0" title="University of New England" />
      <page pageid="227" ns="0" title="DEHubResearchProject/About" />
      <page pageid="231" ns="0" title="DEHub Research Projects/Charles Sturt University" />
      <page pageid="238" ns="0" title="DEHub Research Projects/CQUniversity" />
      <page pageid="241" ns="0" title="DEHub Research Projects/DEHubMassey University" />
      <page pageid="248" ns="0" title="DEHub Research Projects/University of New England" />
    </pages>
  </query>
</api>