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>
    <allredirects garcontinue="Dead_page_8_DELETE_ME" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Best Cars to Lease- What You should Take into account Just before Deciding" missing="" />
      <page ns="0" title="Best water flosser" missing="" />
      <page ns="0" title="Curing Headache with Natural Headache Treatments" missing="" />
      <page ns="0" title="Dead page 1 DELETE ME" missing="" />
      <page ns="0" title="Dead page 2 DELETE ME" missing="" />
      <page ns="0" title="Dead page 3 DELETE ME" missing="" />
      <page ns="0" title="Dead page 4 DELETE ME" missing="" />
      <page ns="0" title="Dead page 5 DELETE ME" missing="" />
      <page ns="0" title="Dead page 6 DELETE ME" missing="" />
      <page ns="0" title="Dead page 7 DELETE ME" missing="" />
    </pages>
  </query>
</api>