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>
    <allredirects garcontinue="Гейміфікацыя|8573" />
  </query-continue>
  <query>
    <pages>
      <page pageid="45" ns="0" title="Безвозвратное удаление" />
      <page pageid="7443" ns="0" title="Raspberry Pi Вэбкамера" />
      <page pageid="8575" ns="0" title="Antizapret.by" />
      <page pageid="8595" ns="4" title="Вікі Фаланстэра:Вікісустрэчы" />
      <page pageid="8596" ns="0" title="Вікісустрэчы" />
      <page pageid="8702" ns="0" title="CC TV project" />
      <page pageid="8744" ns="0" title="Лінукс Лаба" />
      <page pageid="8745" ns="0" title="Linux Лаба" />
      <page pageid="8824" ns="0" title="Піяр" />
      <page pageid="8996" ns="0" title="Дойка" />
    </pages>
  </query>
</api>