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"?>
    <allpages gapcontinue="Time_Machine_ローカルスナップショットの無効化" />
      <page pageid="1091" ns="0" title="TAKALEN" contentmodel="wikitext" pagelanguage="ja" touched="2019-01-10T22:55:43Z" lastrevid="12266" counter="4660" length="3236" />
      <page pageid="2466" ns="0" title="TAMA CINEMA FORUM" contentmodel="wikitext" pagelanguage="ja" touched="2019-03-17T11:05:09Z" lastrevid="16083" counter="127" length="1458" />
      <page pageid="2596" ns="0" title="TEAM NACS" contentmodel="wikitext" pagelanguage="ja" touched="2019-06-18T03:54:59Z" lastrevid="16347" counter="237" length="42765" />
      <page pageid="2118" ns="0" title="THE ORAL CIGARETTES" contentmodel="wikitext" pagelanguage="ja" touched="2019-02-26T06:25:49Z" lastrevid="15555" counter="186" length="21184" />