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="Bad_Wedding_Ideas" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="3365" ns="0" title="B&#039;norange Banana Cake" />
      <p pageid="3395" ns="0" title="BBoTE" />
      <p pageid="745" ns="0" title="BESM System" />
      <p pageid="741" ns="0" title="Bad Drawing Ideas" />
      <p pageid="890" ns="0" title="Bad Name-the-Original Game" />
      <p pageid="879" ns="0" title="Bad Party Ideas" />
      <p pageid="847" ns="0" title="Bad Proposal Ideas" />
      <p pageid="757" ns="0" title="Bad Quotes" />
      <p pageid="882" ns="0" title="Bad Video Game Ideas" />
      <p pageid="1294" ns="0" title="Bad Web Comic Ideas" />
    </allpages>
  </query>
</api>