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="20120312143513|21" />
  </query-continue>
  <query>
    <logevents>
      <item logid="31" ns="0" title="Travaux Aquafin Phase 2" pageid="25" logpage="25" type="move" action="move" user="Raf" timestamp="2012-03-20T10:09:28Z" comment="">
        <move new_ns="0" new_title="Travaux Aquafin" />
      </item>
      <item logid="30" ns="0" title="Travaux Aquafin" pageid="13" logpage="0" type="delete" action="delete" user="Raf" timestamp="2012-03-20T10:09:28Z" comment="Deleted to make way for move" />
      <item logid="29" ns="0" title="Travaux Aquafin" pageid="13" logpage="24" type="move" action="move_redir" user="Raf" timestamp="2012-03-20T10:09:09Z" comment="">
        <move new_ns="0" new_title="Travaux Aquafin Phase 1" />
      </item>
      <item logid="28" ns="0" title="Werken Aquafin Fase 2" pageid="23" logpage="23" type="move" action="move" user="Raf" timestamp="2012-03-20T10:08:34Z" comment="">
        <move new_ns="0" new_title="Werken Aquafin" />
      </item>
      <item logid="27" ns="0" title="Werken Aquafin" pageid="11" logpage="0" type="delete" action="delete" user="Raf" timestamp="2012-03-20T10:08:34Z" comment="Deleted to make way for move" />
      <item logid="26" ns="0" title="Werken Aquafin" pageid="11" logpage="22" type="move" action="move_redir" user="Raf" timestamp="2012-03-20T10:08:14Z" comment="">
        <move new_ns="0" new_title="Werken Aquafin Fase 1" />
      </item>
      <item logid="25" ns="0" title="Werken Aquafin Fase 1" pageid="6" logpage="21" type="move" action="move" user="Raf" timestamp="2012-03-12T14:35:42Z" comment="">
        <move new_ns="0" new_title="Werken Aquafin" />
      </item>
      <item logid="24" ns="0" title="Werken Aquafin" pageid="11" logpage="0" type="delete" action="delete" user="Raf" timestamp="2012-03-12T14:35:42Z" comment="Deleted to make way for move" />
      <item logid="23" ns="0" title="Werken Aquafin" pageid="11" logpage="20" type="move" action="move_redir" user="Raf" timestamp="2012-03-12T14:35:29Z" comment="">
        <move new_ns="0" new_title="Werken Aquafin Fase 2" />
      </item>
      <item logid="22" ns="0" title="Travaux Aquafin Phase 1" pageid="9" logpage="19" type="move" action="move" user="Raf" timestamp="2012-03-12T14:35:13Z" comment="">
        <move new_ns="0" new_title="Travaux Aquafin" />
      </item>
    </logevents>
  </query>
</api>