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"?>
    <allpages apcontinue="SMTP_Free" />
      <p pageid="17" ns="0" title="FreeDNS" />
      <p pageid="8" ns="0" title="Games Broadcast Fixer" />
      <p pageid="19" ns="0" title="HTTP Tunneling" />
      <p pageid="18" ns="0" title="Jabber server" />
      <p pageid="9" ns="0" title="N2n Gui" />
      <p pageid="23" ns="0" title="N2n Gui En" />
      <p pageid="22" ns="0" title="N2n gui zmeny" />
      <p pageid="13" ns="0" title="Nastaveni VPN" />
      <p pageid="12" ns="0" title="Nastaveni smtp serveru" />
      <p pageid="14" ns="0" title="Reseni problemu s VPN" />