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>
    <allredirects garcontinue="Diadem_Cluster" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Battle for Kenuc~Raid on K&#039;chun manufacturing facility~1518098282" missing="" />
      <page pageid="6409" ns="0" title="Battle for Kenuc~Denial at Kenuc Beta" />
      <page pageid="3206" ns="0" title="Baylonian Insurrection~Act 2" />
      <page pageid="997" ns="0" title="Cambrius Skirmish~1410390576" />
      <page pageid="1047" ns="0" title="Cambrius Skirmish~1413663053" />
      <page pageid="1065" ns="0" title="Cambrius Skirmish~1413816967" />
      <page pageid="1066" ns="0" title="Cambrius Skirmish~1413817147" />
      <page pageid="2394" ns="0" title="Cry-prison complex 66" />
      <page pageid="2395" ns="0" title="Cry-prison complex 66~1439280828" />
      <page pageid="6616" ns="0" title="D43 - Tond" />
    </pages>
  </query>
</api>