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 lestart="2016-12-13T10:09:15Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="18552" ns="0" title="Баск (научно-производственная компания)" pageid="8140" type="patrol" action="patrol" user="Niska" timestamp="2018-07-16T17:11:25Z" comment="">
        <patrol cur="26645" prev="0" auto="1" />
      </item>
      <item logid="18551" ns="6" title="Файл:Pdo17.jpg" pageid="8139" type="upload" action="upload" img_sha1="9n7nrdd7m0lifo5kmexzura0fmyoxl4" img_timestamp="2018-07-16T17:09:56Z" user="Niska" timestamp="2018-07-16T17:09:56Z" comment="" />
      <item logid="18550" ns="6" title="Файл:Bask2.jpg" pageid="8138" type="upload" action="upload" img_sha1="tno2f8wvmh85zucj3xrizoaxay92f2k" img_timestamp="2018-07-16T17:07:45Z" user="Niska" timestamp="2018-07-16T17:07:45Z" comment="" />
      <item logid="18549" ns="6" title="Файл:Bask1.jpg" pageid="8137" type="upload" action="upload" img_sha1="pwb3yg9mf9elsq9bde152dsx851nyux" img_timestamp="2018-07-16T17:06:25Z" user="Niska" timestamp="2018-07-16T17:06:25Z" comment="" />
      <item logid="18548" ns="0" title="Сулоев, Валентин Александрович" pageid="3667" type="patrol" action="patrol" user="Leb" timestamp="2018-03-12T19:08:35Z" comment="">
        <patrol cur="26641" prev="20967" auto="1" />
      </item>
      <item logid="18547" ns="0" title="Аладаглар, летопись походов" pageid="7897" type="patrol" action="patrol" user="Leb" timestamp="2017-12-30T17:04:32Z" comment="">
        <patrol cur="26638" prev="26594" auto="1" />
      </item>
      <item logid="18546" ns="0" title="Перевалы, Аладаглар" pageid="7843" type="patrol" action="patrol" user="Leb" timestamp="2017-12-27T10:23:10Z" comment="">
        <patrol cur="26637" prev="26585" auto="1" />
      </item>
      <item logid="18545" ns="0" title="Перевалы, Приэльбрусье" pageid="8136" type="patrol" action="patrol" user="Leb" timestamp="2017-06-15T19:32:19Z" comment="">
        <patrol cur="26608" prev="26607" auto="1" />
      </item>
      <item logid="18544" ns="0" title="Перевалы, Приэльбрусье" pageid="8136" type="patrol" action="patrol" user="Leb" timestamp="2017-06-15T19:26:02Z" comment="">
        <patrol cur="26607" prev="0" auto="1" />
      </item>
      <item logid="18543" ns="0" title="Аладаглар, летопись походов" pageid="7897" type="patrol" action="patrol" user="Leb" timestamp="2016-12-15T10:58:35Z" comment="">
        <patrol cur="26594" prev="26589" auto="1" />
      </item>
    </logevents>
  </query>
</api>