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="Belladonna" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Backpack" missing="" />
      <page ns="0" title="Bad management" missing="" />
      <page ns="0" title="Bank" missing="" />
      <page ns="0" title="Bartolomea Von Wicz" missing="" />
      <page ns="0" title="Bearer medals" missing="" />
      <page pageid="143" ns="0" title="Baobab Bark" />
      <page pageid="61" ns="0" title="Bardic Tin" />
      <page pageid="450" ns="0" title="Basic tools" />
      <page pageid="315" ns="0" title="Beauty" />
      <page pageid="144" ns="0" title="Beaverparrot Feather" />
    </pages>
  </query>
</api>