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="20151223150556|11" />
  </query-continue>
  <query>
    <logevents>
      <item logid="21" ns="0" title="メインページ" pageid="3" logpage="3" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-05T07:16:09Z" comment="">
        <patrol cur="22" prev="18" auto="1" />
      </item>
      <item logid="20" ns="0" title="東芝 REGZA Z700X" pageid="10" logpage="10" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-04T07:21:57Z" comment="">
        <patrol cur="21" prev="0" auto="1" />
      </item>
      <item logid="19" ns="10" title="テンプレート:search" pageid="9" logpage="9" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-04T07:21:45Z" comment="">
        <patrol cur="20" prev="0" auto="1" />
      </item>
      <item logid="18" ns="10" title="テンプレート:as" pageid="8" logpage="8" type="patrol" action="patrol" user="Daemon" timestamp="2017-01-04T07:21:35Z" comment="">
        <patrol cur="19" prev="0" auto="1" />
      </item>
      <item logid="17" ns="0" title="メインページ" pageid="3" logpage="3" type="patrol" action="patrol" user="Daemon" timestamp="2016-03-06T15:33:32Z" comment="">
        <patrol cur="18" prev="12" auto="1" />
      </item>
      <item logid="16" ns="0" title="パナソニック ロボット掃除機 RULO ルーロ" pageid="4" logpage="4" type="patrol" action="patrol" user="Daemon" timestamp="2016-02-11T13:27:07Z" comment="">
        <patrol cur="17" prev="15" auto="1" />
      </item>
      <item logid="15" ns="0" title="パナソニック ロボット掃除機 RULO ルーロ MC-RS200" pageid="7" logpage="7" type="patrol" action="patrol" user="Daemon" timestamp="2016-02-11T13:27:02Z" comment="">
        <patrol cur="16" prev="0" auto="1" />
      </item>
      <item logid="14" ns="0" title="パナソニック ロボット掃除機 RULO ルーロ" pageid="4" logpage="4" type="patrol" action="patrol" user="Daemon" timestamp="2015-12-23T15:42:39Z" comment="">
        <patrol cur="15" prev="6" auto="1" />
      </item>
      <item logid="13" ns="0" title="洗濯乾燥機のメリットとデメリット" pageid="6" logpage="6" type="patrol" action="patrol" user="Daemon" timestamp="2015-12-23T15:08:41Z" comment="">
        <patrol cur="14" prev="13" auto="1" />
      </item>
      <item logid="12" ns="0" title="洗濯乾燥機のメリット" pageid="0" logpage="6" type="move" action="move" user="Daemon" timestamp="2015-12-23T15:06:10Z" comment="">
        <move new_ns="0" new_title="洗濯乾燥機のメリットとデメリット" suppressedredirect="" />
      </item>
    </logevents>
  </query>
</api>