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>
    <allpages>
      <p pageid="1" ns="0" title="Main Page" />
      <p pageid="77" ns="0" title="Mark II Ground Fault Repair" />
      <p pageid="106" ns="0" title="Mark V Ground Fault Repair" />
      <p pageid="41" ns="0" title="PLC Archive:Alarm Acknowledge" />
      <p pageid="43" ns="0" title="PLC Archive:Alarm Acknowledge - S7 version" />
      <p pageid="25" ns="0" title="PLC Archive:Alarm Decoding" />
      <p pageid="22" ns="0" title="PLC Archive:Analog Input Smoothing" />
      <p pageid="20" ns="0" title="PLC Archive:DH-485 Communications" />
      <p pageid="56" ns="0" title="PLC Archive:Derivative Calculation" />
      <p pageid="27" ns="0" title="PLC Archive:Edge Detection" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="PLC Archive:Elapsed Time Monitoring" />
  </query-continue>
</api>