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="How_to_Play_In" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Create Your First LSC Project" missing="" />
      <page pageid="106" ns="0" title="Baby Monitor Specification" />
      <page pageid="68" ns="0" title="C. elegans" />
      <page pageid="10" ns="0" title="Configure the Examples" />
      <page pageid="293" ns="0" title="Create an LSC project" />
      <page pageid="33" ns="0" title="Download PlayGo" />
      <page pageid="321" ns="0" title="Eclipse Orientation" />
      <page pageid="19" ns="0" title="Getting Started with PlayGo" />
      <page pageid="177" ns="0" title="How to Play-In" />
      <page pageid="178" ns="0" title="How to Play-Out" />
    </pages>
  </query>
</api>