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="Climax_DC-15ZBS" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="CentraLite 3-Series Temp and Humidity Sensor" missing="" />
      <page ns="0" title="Climax 852PRO" missing="" />
      <page ns="0" title="Climax 852PRO-ULTRA" missing="" />
      <page ns="0" title="Climax BX-32ZBS" missing="" />
      <page pageid="94" ns="0" title="Beta box content - Almond+ 2014" />
      <page pageid="163" ns="0" title="Beta quick start guide - Almond+ 2014" />
      <page pageid="318" ns="0" title="CentraLite 3-Series Door &amp; Window Sensor" />
      <page pageid="322" ns="0" title="CentraLite 3-Series Motion Sensor" />
      <page pageid="320" ns="0" title="CentraLite 3-Series Water Sensors" />
      <page pageid="374" ns="0" title="Climax CO-8ZBS" />
    </pages>
  </query>
</api>