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>
    <allimages gaicontinue="Bme_horvath_illes.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="130" ns="6" title="File:Best-jobs.jpg" />
      <page pageid="18" ns="6" title="File:Bme-farkas-dora.jpg" />
      <page pageid="17" ns="6" title="File:Bme-racz-balazs.png" />
      <page pageid="19" ns="6" title="File:Bme-ruppert-laszlo.jpg" />
      <page pageid="20" ns="6" title="File:Bme-veres-katalin.jpg" />
      <page pageid="35" ns="6" title="File:Bme barany balazs.jpg" />
      <page pageid="22" ns="6" title="File:Bme biro peter.jpg" />
      <page pageid="133" ns="6" title="File:Bme csehi csongor gyorgy.jpg" />
      <page pageid="24" ns="6" title="File:Bme farkas jozsef.jpg" />
      <page pageid="33" ns="6" title="File:Bme gobolos szabo julianna.jpg" />
    </pages>
  </query>
</api>