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="Bed_Bug_Hiding_Places|68" />
  </query-continue>
  <query>
    <pages>
      <page pageid="9" ns="0" title="Controlling Septic Tank Effluent" />
      <page pageid="25" ns="0" title="Bed Bug Rash" />
      <page pageid="59" ns="0" title="Taking out Bed Bugs" />
      <page pageid="62" ns="0" title="Bed Bug Reality" />
      <page pageid="63" ns="0" title="Bed Bugs 101" />
      <page pageid="64" ns="0" title="Bed Bugs, Bed Bugs and more Bed Bugs" />
      <page pageid="93" ns="0" title="Mold Problems Anyone?" />
      <page pageid="130" ns="0" title="Black Mold is Not Good" />
      <page pageid="143" ns="0" title="Black Mold Facts" />
      <page pageid="180" ns="0" title="All About Bed Bugs" />
    </pages>
  </query>
</api>