You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page">
        <links>
          <pl ns="0" title="10-08-19 esempio aggiornamento antenna ubnt-nano-m-xw da LiMe15 a 17 da thisnode.info" />
          <pl ns="0" title="Check list installazioni" />
          <pl ns="0" title="FAQ" />
          <pl ns="0" title="Layer encryption su libremesh" />
          <pl ns="0" title="Ninux Day 2017" />
          <pl ns="0" title="Notazioni su rete bologna ore 3 fuori porta" />
          <pl ns="0" title="Notazioni su rete fermenti bo ninux" />
          <pl ns="0" title="Resoconto Serate Ninux" />
          <pl ns="0" title="TP-Link CPE210/CPE510" />
          <pl ns="0" title="VCN su OpenWRT con tinc" />
        </links>
      </page>
    </pages>
  </query>
  <query-continue>
    <links plcontinue="1|0|Verbale 2015 03 18" />
  </query-continue>
</api>