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="Barber_shops_port_melbourne" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="4991" ns="0" title="B" />
      <p pageid="1519" ns="0" title="BBW-Cams-Plus-Has-a-Big-surprise-for-You-i" />
      <p pageid="3409" ns="0" title="BMW service Greensboro NC" />
      <p pageid="1723" ns="0" title="BTGEXP-is-an-amazing-web-site-for-the-traders-w" />
      <p pageid="1725" ns="0" title="BTGEXP-is-an-incredible-web-site-for-the-buyers-s" />
      <p pageid="3227" ns="0" title="Bagaimana Memeriksa Jika Kasino Online Dapat Dipercaya" />
      <p pageid="4554" ns="0" title="Bamboo half round pole" />
      <p pageid="3784" ns="0" title="Ban Vs Wi 1St Odi Cricket Live Score And Highiglights" />
      <p pageid="3977" ns="0" title="Bandarq Online" />
      <p pageid="3441" ns="0" title="Bangladesh Vs Sri Lanka 2Nd Check In Colombo: Cricket Live Score And Highlights" />
    </allpages>
  </query>
</api>