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="c:museums:user:ThT" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1604" ns="0" title="Burlington County Historical Society" />
      <page pageid="1389" ns="0" title="Great Britain" />
      <page pageid="1641" ns="0" title="International Quilt Collections" />
      <page pageid="1482" ns="0" title="Louisiana Regional Folklife Program" />
      <page pageid="1371" ns="0" title="Michigan State University Museum" />
      <page pageid="1617" ns="0" title="Museum of Welsh Life at St. Fagan&#039;s" />
      <page pageid="1472" ns="0" title="Museums, Libraries, Archives, Historical Societies" />
      <page pageid="1367" ns="0" title="Quilt Documentation Projects" />
      <page pageid="1706" ns="0" title="United Kingdom" />
      <page pageid="1457" ns="0" title="Winedale Quilt Collection" />
    </pages>
  </query>
</api>