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="Creating_Digital_Delivery_Licensing_Module" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Boston, Massachusetts" missing="" />
      <page ns="0" title="Category.UpdateParent Method" missing="" />
      <page ns="0" title="ConLib:" missing="" />
      <page pageid="70" ns="0" title="Change star rating images" />
      <page pageid="240" ns="0" title="Change star rating images - AC Gold" />
      <page pageid="85" ns="0" title="Changing additional pictures display on mouse over" />
      <page pageid="59" ns="0" title="Code for Alert when there are reviews to approve" />
      <page pageid="251" ns="0" title="Code for Alert when there are reviews to approve - AC Gold" />
      <page pageid="32" ns="0" title="CommerceBuilder API" />
      <page pageid="38" ns="0" title="Creating A Custom Feed Provider" />
    </pages>
  </query>
</api>