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="20160616073155|9403" />
  </query-continue>
  <query>
    <logevents>
      <item logid="9413" ns="0" title="Accueil" pageid="2511" logpage="2511" type="patrol" action="patrol" user="Claratte" timestamp="2018-04-12T09:20:39Z" comment="">
        <patrol cur="14201" prev="14200" auto="1" />
      </item>
      <item logid="9412" ns="0" title="Accueil" pageid="2511" logpage="2511" type="patrol" action="patrol" user="Claratte" timestamp="2018-04-12T09:20:15Z" comment="">
        <patrol cur="14200" prev="14199" auto="1" />
      </item>
      <item logid="9411" ns="0" title="Accueil" pageid="2511" logpage="2511" type="patrol" action="patrol" user="Sgoossens" timestamp="2017-10-02T14:40:57Z" comment="">
        <patrol cur="14199" prev="14197" auto="1" />
      </item>
      <item logid="9410" ns="0" title="Structure de la base de données" pageid="2604" logpage="2604" type="patrol" action="patrol" user="Jcheng" timestamp="2017-06-08T11:22:21Z" comment="">
        <patrol cur="14198" prev="0" auto="1" />
      </item>
      <item logid="9409" ns="0" title="Accueil" pageid="2511" logpage="2511" type="patrol" action="patrol" user="Jcheng" timestamp="2017-06-08T11:21:58Z" comment="">
        <patrol cur="14197" prev="14187" auto="1" />
      </item>
      <item logid="9408" ns="2" title="Utilisateur:Bbarbe" pageid="0" logpage="0" userid="70" type="newusers" action="byemail" user="Jcheng" timestamp="2016-12-02T14:48:33Z" comment="" />
      <item logid="9407" ns="2" title="Utilisateur:Sgoossens" pageid="0" logpage="0" type="rights" action="rights" user="Jcheng" timestamp="2016-12-02T14:47:55Z" comment="">
        <rights new="sysop, bureaucrat" old="" />
      </item>
      <item logid="9406" ns="0" title="FAQ administrateur" pageid="2013" logpage="2013" type="patrol" action="patrol" user="Claratte" timestamp="2016-07-30T01:57:49Z" comment="">
        <patrol cur="14189" prev="14134" auto="1" />
      </item>
      <item logid="9405" ns="0" title="Contrôle d&#039;identification par OpenFlyers pour un logiciel tiers" pageid="2603" logpage="2603" type="patrol" action="patrol" user="Claratte" timestamp="2016-06-16T10:30:07Z" comment="">
        <patrol cur="14188" prev="0" auto="1" />
      </item>
      <item logid="9404" ns="0" title="Accueil" pageid="2511" logpage="2511" type="patrol" action="patrol" user="Claratte" timestamp="2016-06-16T10:29:52Z" comment="">
        <patrol cur="14187" prev="14179" auto="1" />
      </item>
    </logevents>
  </query>
</api>