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>
    <alltransclusions gatcontinue="Category_EN_Faculties|5540" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2913" ns="0" title="«Новые механизмы управления УДОД»" />
      <page pageid="5535" ns="0" title="The Faculty of History" />
      <page pageid="5536" ns="0" title="The Faculty of Physics and Mathematics" />
      <page pageid="5537" ns="0" title="The Natural Geographic Faculty" />
      <page pageid="5538" ns="0" title="The Faculty of the Russian Language and Culture" />
      <page pageid="5539" ns="0" title="The Faculty of Foreign Languages" />
      <page pageid="5685" ns="0" title="University Chair of Foreign Languages" />
      <page pageid="5686" ns="0" title="The Chair of Philosophy" />
      <page pageid="15362" ns="0" title="Финансово-хозяйственная деятельность" />
      <page pageid="15769" ns="10" title="Шаблон:Banner" />
    </pages>
  </query>
</api>