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>
    <allpages gapcontinue="Theme_of_the_Town_-WinterJazzStyle-" />
  </query-continue>
  <query>
    <pages>
      <page pageid="119" ns="0" title="Tenderness in the air" contentmodel="wikitext" pagelanguage="ja" touched="2012-01-14T06:37:27Z" lastrevid="438" counter="4200" length="970" new="" />
      <page pageid="84" ns="0" title="The Decision to the Future -明日を生きる為に-" contentmodel="wikitext" pagelanguage="ja" touched="2012-01-07T18:07:34Z" lastrevid="314" counter="3981" length="2127" new="" />
      <page pageid="51" ns="0" title="The Fate of The Fairies -tm2 edition-" contentmodel="wikitext" pagelanguage="ja" touched="2012-01-07T18:04:32Z" lastrevid="242" counter="4052" length="484" new="" />
      <page pageid="87" ns="0" title="The Last Battle -M.S.Tenssion-" contentmodel="wikitext" pagelanguage="ja" touched="2012-01-07T18:08:09Z" lastrevid="318" counter="4787" length="1396" />
    </pages>
  </query>
</api>