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="Baby_Blue_Dragon|847" />
  </query-continue>
  <query>
    <pages>
      <page pageid="13" ns="0" title="Coins" />
      <page pageid="590" ns="0" title="Babydragon bones" />
      <page pageid="715" ns="0" title="Baby blue dragon" />
      <page pageid="839" ns="0" title="Mithril full helm" />
      <page pageid="840" ns="0" title="Adamant full helm" />
      <page pageid="841" ns="0" title="Rune full helm" />
      <page pageid="842" ns="0" title="Mithril platelegs" />
      <page pageid="844" ns="0" title="Adamant platelegs" />
      <page pageid="845" ns="0" title="Adamant medium helm" />
      <page pageid="846" ns="0" title="Mithril sq shield" />
    </pages>
  </query>
</api>