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="Betriebs_und_Munition_Rustzatze_для_Bf_110G-2/G-3/G-4" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="B-17" missing="" />
      <page ns="0" title="B-17 Flying Fortress: The Mighty 8th" missing="" />
      <page ns="0" title="BMW 132Dc" missing="" />
      <page ns="0" title="BO 105" missing="" />
      <page ns="0" title="Battle of Britain II: Wings of Victory" missing="" />
      <page ns="0" title="Beam E4" missing="" />
      <page ns="0" title="Bearcat" missing="" />
      <page ns="0" title="Beech-58" missing="" />
      <page ns="0" title="Bell 222" missing="" />
      <page ns="0" title="Betriebs und Munition Rustzatze для Bf110F-2/F-3/F-4" missing="" />
    </pages>
  </query>
</api>