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="Battery_drains_despite_seemingly_being_charged" />
  </query-continue>
  <query>
    <pages>
      <page pageid="735" ns="0" title="BIOS Upgrade" />
      <page pageid="5190" ns="0" title="BIOS Upgrade/X Series" />
      <page pageid="3990" ns="0" title="BIOS Upgrade Downloads" />
      <page pageid="7306" ns="0" title="BIOS Upgrade success failure" />
      <page pageid="8032" ns="0" title="BIOS Version" />
      <page pageid="5792" ns="0" title="BIOS update without optical disk" />
      <page pageid="943" ns="0" title="Backing up the preloaded OS" />
      <page pageid="3570" ns="0" title="Batteries" />
      <page pageid="749" ns="0" title="Battery" />
      <page pageid="5248" ns="0" title="Battery.rb" />
    </pages>
  </query>
</api>