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>
    <allpages apcontinue="Create_a_new_bundle_from_a_3rd_party_jar" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="16347" ns="0" title="Best Practice for Designing a Rifidi APP" />
      <p pageid="16314" ns="0" title="Build Rifidi Edge from Source" />
      <p pageid="250" ns="0" title="CablingService" />
      <p pageid="251" ns="0" title="CameraService" />
      <p pageid="16294" ns="0" title="Cloud Jumpstart" />
      <p pageid="144" ns="0" title="Command Flow" />
      <p pageid="330" ns="0" title="Command Framework" />
      <p pageid="322" ns="0" title="Configuration Framework" />
      <p pageid="415" ns="0" title="Configure An EdgeBox" />
      <p pageid="249" ns="0" title="Core Services" />
    </allpages>
  </query>
</api>