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="Barbara_Henschel" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="B. Traven" missing="" />
      <page ns="0" title="BBC" missing="" />
      <page ns="0" title="BBC News24" missing="" />
      <page ns="0" title="BBC Radio 4" missing="" />
      <page ns="0" title="BBC World Service" missing="" />
      <page ns="0" title="BCFM" missing="" />
      <page ns="0" title="B Traven" missing="" />
      <page ns="0" title="Babar Luck" missing="" />
      <page ns="0" title="Barabara Arrindell" missing="" />
      <page ns="0" title="Barbara Epstien" missing="" />
    </pages>
  </query>
</api>