You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <links gplcontinue="1|0|Phase semantics" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Introduction" missing="" />
      <page pageid="44" ns="0" title="Categorical semantics" touched="2011-10-03T23:29:22Z" lastrevid="525" counter="223934" length="16077" />
      <page pageid="31" ns="0" title="Coherent semantics" touched="2013-10-27T13:59:25Z" lastrevid="535" counter="201868" length="36197" />
      <page pageid="52" ns="0" title="Finiteness semantics" touched="2011-09-30T14:32:46Z" lastrevid="518" counter="34579" length="14911" />
      <page pageid="37" ns="0" title="Fragment" touched="2013-10-28T21:17:37Z" lastrevid="615" counter="40012" length="22220" />
      <page pageid="27" ns="0" title="Game semantics" touched="2009-03-24T09:38:19Z" lastrevid="110" counter="12942" length="7353" />
      <page pageid="50" ns="0" title="Geometry of interaction" touched="2011-09-30T14:39:39Z" lastrevid="520" counter="163029" length="7453" />
      <page pageid="20" ns="0" title="Intuitionistic linear logic" touched="2017-03-13T08:31:31Z" lastrevid="624" counter="57902" length="9521" />
      <page pageid="12" ns="0" title="LLWiki LaTeX Style" touched="2013-06-27T13:51:18Z" lastrevid="589" counter="44318" length="4113" />
      <page pageid="42" ns="0" title="Light linear logics" touched="2013-05-02T09:28:44Z" lastrevid="586" counter="73647" length="6095" />
    </pages>
  </query>
</api>