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>
    <alllinks galcontinue="Structure" />
  </query-continue>
  <query>
    <pages>
      <page pageid="146" ns="0" title="Epilog Page Settings" />
      <page pageid="131" ns="0" title="Epilog Settings" />
      <page pageid="20" ns="0" title="Future Projects" />
      <page pageid="119" ns="0" title="Getting Started With 3D Printed Design" />
      <page pageid="123" ns="0" title="Intro to OpenSCAD" />
      <page pageid="121" ns="0" title="Jean-Marc Le Blanc" />
      <page pageid="134" ns="0" title="Laser Cutting Resources" />
      <page pageid="5" ns="0" title="Main Page" />
      <page pageid="15" ns="0" title="MakerBot" />
      <page pageid="21" ns="0" title="Members" />
    </pages>
  </query>
</api>