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="Batalaan_8a,_Best" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="349" ns="0" title="BAZI-KAMP DE RIPS" />
      <p pageid="370" ns="0" title="BLIKKEN EMMER" />
      <p pageid="3372" ns="0" title="BOERDERIJ DOMMELSTRAAT 12 SON" />
      <p pageid="348" ns="0" title="BUNTHORST PAAL(KUIL)" />
      <p pageid="749" ns="0" title="Bakhuis Bokt 11" />
      <p pageid="2563" ns="0" title="Bakkerij met botermolen, Lage Mierde" />
      <p pageid="2115" ns="0" title="Baronie van Cranendonck" />
      <p pageid="2975" ns="0" title="Basisschool St Jozef te Someren-Heide" />
      <p pageid="1414" ns="0" title="Batalaan 1, Best" />
      <p pageid="1417" ns="0" title="Batalaan 5, Best" />
    </allpages>
  </query>
</api>