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>
    <pages>
      <page pageid="2" ns="4" title="BotF-Wiki:Copyrights" contentmodel="wikitext" pagelanguage="en" touched="2009-07-31T14:19:47Z" lastrevid="2" counter="586" length="1004" new="" />
      <page pageid="3" ns="0" title="Star Trek: The Next Generation - Birth of the Federation" contentmodel="wikitext" pagelanguage="en" touched="2009-07-31T17:21:36Z" lastrevid="12" counter="2825" length="799" />
      <page pageid="22" ns="14" title="Category:Strategic Map" contentmodel="wikitext" pagelanguage="en" touched="2009-08-10T05:19:53Z" lastrevid="62" counter="2410" length="139" new="" />
      <page pageid="25" ns="0" title="How to add new ship models using UE" contentmodel="wikitext" pagelanguage="en" touched="2013-12-12T04:59:02Z" lastrevid="210" counter="2043" length="11050" />
      <page pageid="27" ns="0" title="Editing Savegames" contentmodel="wikitext" pagelanguage="en" touched="2010-08-02T18:30:49Z" lastrevid="135" counter="8664" length="7263" />
      <page pageid="29" ns="0" title="Large Map Generation Chart and tutorial for UE" contentmodel="wikitext" pagelanguage="en" touched="2013-12-12T05:00:35Z" lastrevid="211" counter="1817" length="4568" />
      <page pageid="30" ns="0" title="List of known Dynamic Variables" contentmodel="wikitext" pagelanguage="en" touched="2011-03-14T14:22:22Z" lastrevid="162" counter="40634" length="6934" />
      <page pageid="31" ns="0" title="Library of Subroutines" contentmodel="wikitext" pagelanguage="en" touched="2011-06-14T16:30:08Z" lastrevid="169" counter="33604" length="1411" />
    </pages>
  </query>
</api>