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="COLLADA_Importer" />
  </query-continue>
  <query>
    <pages>
      <page pageid="198" ns="0" title="BRL-CAD&#039;s core C++ interface" />
      <page pageid="88" ns="0" title="BRL-CAD Commands" />
      <page pageid="460" ns="0" title="BRL-CAD Primitives" />
      <page pageid="67" ns="0" title="BSD Documentation License" />
      <page pageid="758" ns="0" title="Benchmark Performance Database" />
      <page pageid="817" ns="0" title="Bending light" />
      <page pageid="737" ns="0" title="Blender file format converter" />
      <page pageid="635" ns="0" title="BoT" />
      <page pageid="64" ns="0" title="Building from SVN" />
      <page pageid="1639" ns="0" title="Burst" />
    </pages>
  </query>
</api>