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>
    <recentchanges rccontinue="2014-05-19T01:34:23Z|2044" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="100" title="Card:大盾の守備兵" rcid="2054" pageid="30" revid="2048" old_revid="1287" timestamp="2014-07-15T02:38:54Z" />
      <rc type="edit" ns="100" title="Card:信仰の守護者" rcid="2053" pageid="36" revid="2047" old_revid="2044" timestamp="2014-07-15T02:38:06Z" />
      <rc type="edit" ns="100" title="Card:王宮衛士隊" rcid="2052" pageid="29" revid="2046" old_revid="2042" timestamp="2014-07-15T02:37:29Z" />
      <rc type="new" ns="14" title="カテゴリ:CB" rcid="2051" pageid="565" revid="2045" old_revid="0" timestamp="2014-07-15T02:35:44Z" />
      <rc type="edit" ns="100" title="Card:信仰の守護者" rcid="2050" pageid="36" revid="2044" old_revid="2043" timestamp="2014-07-15T02:31:45Z" />
      <rc type="edit" ns="100" title="Card:信仰の守護者" rcid="2049" pageid="36" revid="2043" old_revid="1019" timestamp="2014-07-15T02:30:42Z" />
      <rc type="edit" ns="100" title="Card:王宮衛士隊" rcid="2048" pageid="29" revid="2042" old_revid="1316" timestamp="2014-07-15T02:06:22Z" />
      <rc type="edit" ns="100" title="Card:ヴェスの神官" rcid="2047" pageid="27" revid="2041" old_revid="1359" timestamp="2014-07-15T02:04:02Z" />
      <rc type="edit" ns="100" title="Card:ヴァイスガート弓騎士団" rcid="2046" pageid="25" revid="2040" old_revid="1357" timestamp="2014-07-15T02:00:11Z" />
      <rc type="log" ns="2" title="利用者:Sigｓ" rcid="2045" pageid="0" revid="0" old_revid="0" timestamp="2014-07-15T01:58:04Z" />
    </recentchanges>
  </query>
</api>