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>
    <logevents lecontinue="20151220030834|40" />
  </query-continue>
  <query>
    <logevents>
      <item logid="50" ns="0" title="BTWの略語の意味は？" pageid="17" logpage="17" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-22T01:28:21Z" comment="">
        <patrol cur="51" prev="0" auto="1" />
      </item>
      <item logid="49" ns="0" title="英語の略語の意味は" pageid="0" logpage="16" type="move" action="move" user="Daemon" timestamp="2017-01-22T01:23:26Z" comment="">
        <move new_ns="0" new_title="英語の略語一覧" suppressedredirect="" />
      </item>
      <item logid="48" ns="0" title="メインページ" pageid="2" logpage="2" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-22T01:23:15Z" comment="">
        <patrol cur="49" prev="47" auto="1" />
      </item>
      <item logid="47" ns="0" title="英語の略語の意味は" pageid="0" logpage="16" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-22T01:21:48Z" comment="">
        <patrol cur="48" prev="0" auto="1" />
      </item>
      <item logid="46" ns="0" title="メインページ" pageid="2" logpage="2" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-22T01:21:21Z" comment="">
        <patrol cur="47" prev="45" auto="1" />
      </item>
      <item logid="45" ns="0" title="Are you serious?の意味は？" pageid="15" logpage="15" type="patrol" action="patrol" user="Daemon" timestamp="2016-08-28T07:55:39Z" comment="">
        <patrol cur="46" prev="0" auto="1" />
      </item>
      <item logid="44" ns="0" title="メインページ" pageid="2" logpage="2" type="patrol" action="patrol" user="Daemon" timestamp="2016-08-28T07:48:16Z" comment="">
        <patrol cur="45" prev="43" auto="1" />
      </item>
      <item logid="43" ns="0" title="英語で「久しぶり」を表現する" pageid="14" logpage="14" type="patrol" action="patrol" user="Daemon" timestamp="2016-06-26T01:56:32Z" comment="">
        <patrol cur="44" prev="0" auto="1" />
      </item>
      <item logid="42" ns="0" title="メインページ" pageid="2" logpage="2" type="patrol" action="patrol" user="Daemon" timestamp="2016-06-26T01:29:36Z" comment="">
        <patrol cur="43" prev="36" auto="1" />
      </item>
      <item logid="41" ns="10" title="テンプレート:NewArticle" pageid="3" logpage="3" type="patrol" action="patrol" user="Daemon" timestamp="2016-01-10T12:00:53Z" comment="">
        <patrol cur="42" prev="5" auto="1" />
      </item>
    </logevents>
  </query>
</api>