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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>
    <logevents>
      <item logid="921" pageid="113" ns="0" title="The Art and Science of Systems Biology" type="patrol" action="patrol" user="WikiSysop" timestamp="2010-09-22T21:12:52Z" comment="">
        <patrol cur="994" prev="907" auto="1" />
      </item>
      <item logid="920" pageid="0" ns="2" title="User:Ashipman" type="rights" action="rights" user="WikiSysop" timestamp="2010-09-22T21:09:34Z" comment="">
        <rights new="sysop" old="" />
      </item>
      <item logid="919" pageid="12" ns="0" title="Future Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-28T15:57:28Z" comment="">
        <patrol cur="981" prev="973" auto="1" />
      </item>
      <item logid="918" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:59:49Z" comment="">
        <patrol cur="980" prev="979" auto="1" />
      </item>
      <item logid="917" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:59:28Z" comment="">
        <patrol cur="979" prev="978" auto="1" />
      </item>
      <item logid="916" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:58:58Z" comment="">
        <patrol cur="978" prev="977" auto="1" />
      </item>
      <item logid="915" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:58:50Z" comment="">
        <patrol cur="977" prev="976" auto="1" />
      </item>
      <item logid="914" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:58:40Z" comment="">
        <patrol cur="976" prev="975" auto="1" />
      </item>
      <item logid="913" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:58:23Z" comment="">
        <patrol cur="975" prev="974" auto="1" />
      </item>
      <item logid="912" pageid="1" ns="0" title="CNLS q-bio Seminars" type="patrol" action="patrol" user="Wish" timestamp="2010-06-09T22:58:13Z" comment="">
        <patrol cur="974" prev="971" auto="1" />
      </item>
    </logevents>
  </query>
  <query-continue>
    <logevents lestart="2010-06-09T22:58:00Z" />
  </query-continue>
</api>