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="20140521102930|239" />
  </query-continue>
  <query>
    <logevents>
      <item logid="249" ns="6" title="File:Pillar-set-thumb.jpg" pageid="55" logpage="55" img_sha1="lriga4yesf8dyo3ep4n9tgc7cydvthh" img_timestamp="2014-10-15T11:33:41Z" type="upload" action="overwrite" user="G" timestamp="2014-10-15T11:33:41Z" comment="Faces of all pillars." />
      <item logid="248" ns="6" title="File:Pillar-set-thumb.jpg" pageid="55" logpage="55" img_sha1="cksmubwbg1r934gfgwlyf06x9om6hfs" img_timestamp="2014-10-15T11:31:53Z" type="upload" action="upload" user="G" timestamp="2014-10-15T11:31:53Z" comment="Faces of all 8 pillars." />
      <item logid="247" ns="6" title="File:Pillar-set.jpg" pageid="54" logpage="54" img_sha1="8skdvf04y5yinrtfm57p1xl48hjz2gf" img_timestamp="2014-10-15T11:27:05Z" type="upload" action="upload" user="G" timestamp="2014-10-15T11:27:05Z" comment="Set of all 8 pillars, photographed from the face of each." />
      <item logid="246" ns="6" title="File:Triangles.jpg" pageid="53" logpage="53" img_sha1="1q3xg74au0mnurlfsia89vt7xfrzt2e" img_timestamp="2014-10-15T10:46:48Z" type="upload" action="upload" user="G" timestamp="2014-10-15T10:46:48Z" comment="Example of the triangular markers on the pillars." />
      <item logid="245" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:45:40Z" comment="" />
      <item logid="244" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:42:50Z" comment="" />
      <item logid="243" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:40:08Z" comment="" />
      <item logid="242" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:39:30Z" comment="Reverted to version as of 14:01, 20 May 2014" />
      <item logid="241" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:38:54Z" comment="" />
      <item logid="240" ns="6" title="File:Pillars.svg" pageid="51" logpage="51" type="upload" action="overwrite" user="G" timestamp="2014-05-21T10:38:34Z" comment="" />
    </logevents>
  </query>
</api>