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"?>
    <allredirects garcontinue="Fire_Prism|1318" />
      <page pageid="207" ns="0" title="Adding NPC Speech" />
      <page pageid="249" ns="0" title="Design Development Process" />
      <page pageid="972" ns="0" title="Desert" />
      <page pageid="1089" ns="0" title="BLOOD MAUL" />
      <page pageid="1095" ns="0" title="BANDIT SCIMITAR" />
      <page pageid="1136" ns="0" title="Chessboard" />
      <page pageid="1208" ns="0" title="Holy chunk" />
      <page pageid="1209" ns="0" title="Unholy chunk" />
      <page pageid="1287" ns="0" title="Diseased Trees" />
      <page pageid="1320" ns="0" title="Prism of Death" />