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="Big_Bang_-_붉은_노을" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="927" ns="0" title="Babies and childbirth" />
      <p pageid="2383" ns="0" title="Bad translations" />
      <p pageid="2867" ns="0" title="Badchim" />
      <p pageid="1353" ns="0" title="Banking" />
      <p pageid="72" ns="0" title="Banking and investing" />
      <p pageid="10927" ns="0" title="Baseball" />
      <p pageid="12024" ns="0" title="Bass Guitar Tutorial" />
      <p pageid="12393" ns="0" title="Big Bang- Bad Boy" />
      <p pageid="1677" ns="0" title="Big Bang - 거짓말" />
      <p pageid="1678" ns="0" title="Big Bang - 마지막 인사" />
    </allpages>
  </query>
</api>