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>
    <alllinks galcontinue="BFTGFOP|210" />
  </query-continue>
  <query>
    <pages>
      <page pageid="210" ns="0" title="Чай" />
      <page pageid="420" ns="0" title="Е-Бизнес" />
      <page pageid="2244" ns="0" title="Языки программирования" />
      <page pageid="4461" ns="0" title="Замеченные погрешности источника Брокгауза и Ефрона" />
      <page pageid="8462" ns="0" title="Brevi manu" />
      <page pageid="11968" ns="0" title="Бакуэлль Роберт" />
      <page pageid="16270" ns="0" title="Бетховен" />
      <page pageid="18105" ns="0" title="Вагнер Рихард" />
    </pages>
  </query>
</api>