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="Barcode_medication_administration|5747" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" />
      <page pageid="2178" ns="0" title="Barcoded Medication Administration" />
      <page pageid="2196" ns="0" title="Errors prevented by and associated with bar-code medication administration systems" />
      <page pageid="2552" ns="0" title="Veterans Health Information Systems and Technology Architecture (VistA)" />
      <page pageid="2619" ns="0" title="Terms related to privacy, confidentiality, and security" />
      <page pageid="2815" ns="0" title="Quality informatics" />
      <page pageid="3775" ns="0" title="Identifying Common Workarounds to Barcode Medication Administration Processes" />
      <page pageid="5315" ns="0" title="EHR implementation: one organization&#039;s road to success" />
      <page pageid="5387" ns="0" title="Hot Sites" />
      <page pageid="5737" ns="0" title="Effect of Bar-Code Technology on the Safety of Medication Administration" />
    </pages>
  </query>
</api>