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>
    <allpages apcontinue="BAGMAN_CORPORATION_SDN_BHD" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="365663" ns="0" title="B&amp;B Leather Company Inc." />
      <p pageid="368543" ns="0" title="B&amp;G Equipment Co." />
      <p pageid="366454" ns="0" title="B&amp;H Photo -Video -Pro Audio" />
      <p pageid="368219" ns="0" title="B-G Instruments,Inc." />
      <p pageid="366661" ns="0" title="B.G. Technical Exports, Inc." />
      <p pageid="367831" ns="0" title="B. E. Holt Co." />
      <p pageid="366162" ns="0" title="B. W. Elliott Manufacturing Co., LLC" />
      <p pageid="369851" ns="0" title="BABY BLANKET SUNCARE" />
      <p pageid="363494" ns="0" title="BACKBONE ENTERTAINMENT SDN BHD" />
      <p pageid="365484" ns="0" title="BAC Enterprises" />
    </allpages>
  </query>
</api>