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>
    <allfileusages gafcontinue="Baofeng0001.jpg|3283" />
  </query-continue>
  <query>
    <pages>
      <page pageid="524" ns="0" title="WiFi and Cellular Radio Cables and Connectors" />
      <page pageid="1347" ns="0" title="Netgear WGR614v7 Wireless Router" />
      <page pageid="2885" ns="0" title="RF Connector Index 1" />
      <page pageid="2886" ns="0" title="HAM Radio RF Connector Index" />
      <page pageid="3281" ns="1" title="Talk:Tytera MD-380" />
      <page pageid="3629" ns="0" title="How to Change Q3A BSP Version" />
      <page pageid="4268" ns="0" title="Uniden BCD325P2 TrunkTracker V Scanner" />
    </pages>
  </query>
</api>