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>
    <allimages gaicontinue="TC_ftp_new.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="21" ns="6" title="Файл:TC ftp cfg.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2015-03-05T11:40:28Z" user="Sato" />
        </imageinfo>
      </page>
      <page pageid="23" ns="6" title="Файл:TC ftp home.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2015-03-05T11:40:29Z" user="Sato" />
        </imageinfo>
      </page>
      <page pageid="22" ns="6" title="Файл:TC ftp list.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2015-03-05T11:40:28Z" user="Sato" />
        </imageinfo>
      </page>
      <page pageid="27" ns="6" title="Файл:TC ftp log.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2015-03-05T12:08:44Z" user="Sato" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>