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="BG:Feeback_messages_for_login_and_password|11448" />
  </query-continue>
  <query>
    <pages>
      <page pageid="11171" ns="0" title="BG:Facebook Login" />
      <page pageid="11433" ns="0" title="BG:Design-update of page 1-01" />
      <page pageid="11436" ns="0" title="BG:Crowdfunding01" />
      <page pageid="14673" ns="0" title="B1" />
      <page pageid="14674" ns="0" title="Building Networks/Antennas" />
      <page pageid="14675" ns="0" title="B3" />
      <page pageid="14676" ns="0" title="B4" />
      <page pageid="14680" ns="0" title="B6" />
      <page pageid="14695" ns="0" title="B5" />
      <page pageid="15546" ns="0" title="B2B meeting with Representatives of Romanian companies" />
    </pages>
  </query>
</api>