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="B1-Free_Space_Propagation|14641" />
  </query-continue>
  <query>
    <pages>
      <page pageid="10935" ns="0" title="UNIK4700/9700-Introduction" />
      <page pageid="11791" ns="0" title="Antennas and their communication parameters (B2-B3)" />
      <page pageid="11795" ns="0" title="Radio propagation equation (A4,B1)" />
      <page pageid="11931" ns="0" title="Mobility and Handover in mobile systems" />
      <page pageid="13381" ns="0" title="Basics of Communication (A1-A3)" />
      <page pageid="14334" ns="0" title="RecentPages" />
      <page pageid="14639" ns="10" title="Template:Building Networks TOC" />
      <page pageid="22607" ns="0" title="InfoSpot Configuration" />
      <page pageid="22608" ns="10" title="Template:InfoSpot Configuration TOC" />
      <page pageid="22611" ns="0" title="C1-Components" />
    </pages>
  </query>
</api>