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="2013-12-19T12:58:07Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="17" pageid="25" ns="6" title="File:Image012.png" type="upload" action="upload" img_sha1="rukteu1gpcptt3z7i0no41gr6sfb2gu" img_timestamp="2014-07-08T06:56:01Z" user="Darolmar" timestamp="2014-07-08T06:56:01Z" comment="Figure 12, Jalview IDE Installation Guide" />
      <item logid="16" pageid="24" ns="6" title="File:Image011.png" type="upload" action="upload" img_sha1="7li7q0kn1qghgi50vcludkv81u836p0" img_timestamp="2014-07-08T06:55:39Z" user="Darolmar" timestamp="2014-07-08T06:55:39Z" comment="Figure 11, Jalview IDE Installation Guide" />
      <item logid="15" pageid="23" ns="6" title="File:Image010.png" type="upload" action="upload" img_sha1="qs219lkjsnan2wkdkdlgl9388c9zotn" img_timestamp="2014-07-08T06:55:08Z" user="Darolmar" timestamp="2014-07-08T06:55:08Z" comment="Figure 10, Jalview IDE Installation Guide" />
      <item logid="14" pageid="22" ns="6" title="File:Image009.png" type="upload" action="upload" img_sha1="858q92mkpevi256kou05jvcy6agt713" img_timestamp="2014-07-08T06:54:42Z" user="Darolmar" timestamp="2014-07-08T06:54:42Z" comment="Figure 9, Jalview IDE Installation Guide" />
      <item logid="13" pageid="21" ns="6" title="File:Image008.png" type="upload" action="upload" img_sha1="0sz7505ahi9vzx4rlei3lb395fwxaxr" img_timestamp="2014-07-08T06:54:23Z" user="Darolmar" timestamp="2014-07-08T06:54:23Z" comment="Figure 8, Jalview IDE Installation Guide" />
      <item logid="12" pageid="20" ns="6" title="File:Image006.png" type="upload" action="upload" img_sha1="jtwnehdc8oaus6a7f052h0wy4qa8dqb" img_timestamp="2014-07-08T06:54:02Z" user="Darolmar" timestamp="2014-07-08T06:54:02Z" comment="Figure 6, Jalview IDE Installation Guide" />
      <item logid="11" pageid="19" ns="6" title="File:Image005.png" type="upload" action="upload" img_sha1="p28vb2zn13phh0azixllcj7afxe6g5m" img_timestamp="2014-07-08T06:53:35Z" user="Darolmar" timestamp="2014-07-08T06:53:35Z" comment="Figure 5, Jalview IDE Installation Guide" />
      <item logid="10" pageid="18" ns="6" title="File:Image004.png" type="upload" action="upload" img_sha1="eatsxnu1eed2o2e2bblwxri0ufv8k5g" img_timestamp="2014-07-08T06:53:09Z" user="Darolmar" timestamp="2014-07-08T06:53:09Z" comment="Figure 3, Jalview IDE Installation Guide" />
      <item logid="9" pageid="17" ns="6" title="File:Image003.png" type="upload" action="upload" img_sha1="tw8zmygvb6iczg9hazp9opi5i6ylvjh" img_timestamp="2014-07-08T06:52:44Z" user="Darolmar" timestamp="2014-07-08T06:52:44Z" comment="Figure 2, Jalview IDE Installation Guide" />
      <item logid="8" pageid="16" ns="6" title="File:Image001.png" type="upload" action="upload" img_sha1="i2vrsyq0c5qo8k2dsvp3ejn9zl3pmxc" img_timestamp="2014-07-08T06:52:03Z" user="Darolmar" timestamp="2014-07-08T06:52:03Z" comment="Figure 1 Jalview IDE install instructions" />
    </logevents>
  </query>
</api>