You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <embeddedin>
      <ei pageid="1377" ns="0" title="Apache County, Arizona" />
      <ei pageid="1378" ns="0" title="Zemira George Wilhelm" />
      <ei pageid="1381" ns="0" title="Nancy Naomi Gibbons" />
      <ei pageid="1384" ns="0" title="Rockville, Utah" />
      <ei pageid="1387" ns="0" title="Glendale, Utah" />
      <ei pageid="1388" ns="0" title="Kane County, Utah" />
      <ei pageid="1389" ns="0" title="St. Johns, Arizona" />
      <ei pageid="1390" ns="0" title="Silver City, New Mexico" />
      <ei pageid="1391" ns="0" title="Grant County, New Mexico" />
      <ei pageid="1393" ns="0" title="Cayuga County, New York" />
    </embeddedin>
  </query>
  <query-continue>
    <embeddedin eicontinue="10|Stub|1394" />
  </query-continue>
</api>