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" />
  </query-continue>
  <query>
    <pages>
      <page pageid="14652" ns="0" title="B1-Free Space Propagation" />
      <page pageid="14653" ns="0" title="B2-Antennas" />
      <page pageid="15532" ns="0" title="B2B Meeting Romanian companies" />
      <page pageid="14654" ns="0" title="B3-Multipath Propagation" />
      <page pageid="14655" ns="0" title="B4-Attenuation and Scattering" />
      <page pageid="14644" ns="0" title="B5-Fading" />
      <page pageid="14660" ns="0" title="B6-Mobile Communication Dependencies" />
      <page pageid="10591" ns="0" title="BG:Crowdfunding" />
      <page pageid="11019" ns="0" title="BG:Design-update of page 1" />
      <page pageid="11169" ns="0" title="BG:Facebook and Google Login" />
    </pages>
  </query>
</api>