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 aicontinue="Baseline.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="B-H(Fred)_Juang.png" timestamp="2017-03-22T07:47:30Z" url="http://index.cslt.org/mediawiki/images/d/d3/B-H%28Fred%29_Juang.png" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:B-H(Fred)_Juang.png" ns="6" title="文件:B-H(Fred) Juang.png" />
      <img name="B.ENG_Dissertation_-Miao_Fan-.pdf" timestamp="2016-03-01T23:25:25Z" url="http://index.cslt.org/mediawiki/images/a/a9/B.ENG_Dissertation_-Miao_Fan-.pdf" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:B.ENG_Dissertation_-Miao_Fan-.pdf" ns="6" title="文件:B.ENG Dissertation -Miao Fan-.pdf" />
      <img name="B536f2cd58d15907a7bc858612664c7200.png" timestamp="2019-03-20T07:08:23Z" url="http://index.cslt.org/mediawiki/images/1/15/B536f2cd58d15907a7bc858612664c7200.png" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:B536f2cd58d15907a7bc858612664c7200.png" ns="6" title="文件:B536f2cd58d15907a7bc858612664c7200.png" />
      <img name="Back_to_Matrix.pdf" timestamp="2019-12-09T07:18:50Z" url="http://index.cslt.org/mediawiki/images/f/f9/Back_to_Matrix.pdf" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Back_to_Matrix.pdf" ns="6" title="文件:Back to Matrix.pdf" />
      <img name="Back_to_Matrix.pptx" timestamp="2019-11-02T10:12:30Z" url="http://index.cslt.org/mediawiki/images/7/70/Back_to_Matrix.pptx" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Back_to_Matrix.pptx" ns="6" title="文件:Back to Matrix.pptx" />
      <img name="Baijuyi_1_best_local_memory_50_top_50_only_mem.txt.pdf" timestamp="2017-02-15T06:24:19Z" url="http://index.cslt.org/mediawiki/images/0/0b/Baijuyi_1_best_local_memory_50_top_50_only_mem.txt.pdf" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Baijuyi_1_best_local_memory_50_top_50_only_mem.txt.pdf" ns="6" title="文件:Baijuyi 1 best local memory 50 top 50 only mem.txt.pdf" />
      <img name="Baizw_Bi-weekly_Report.pdf" timestamp="2016-12-06T01:31:29Z" url="http://index.cslt.org/mediawiki/images/5/55/Baizw_Bi-weekly_Report.pdf" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Baizw_Bi-weekly_Report.pdf" ns="6" title="文件:Baizw Bi-weekly Report.pdf" />
      <img name="Baizw_bi_weekly_report.pptx" timestamp="2016-12-06T01:29:41Z" url="http://index.cslt.org/mediawiki/images/b/b5/Baizw_bi_weekly_report.pptx" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Baizw_bi_weekly_report.pptx" ns="6" title="文件:Baizw bi weekly report.pptx" />
      <img name="Base2_r2.4_far_near_vol-aug.png" timestamp="2018-08-13T10:54:26Z" url="http://index.cslt.org/mediawiki/images/6/63/Base2_r2.4_far_near_vol-aug.png" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Base2_r2.4_far_near_vol-aug.png" ns="6" title="文件:Base2 r2.4 far near vol-aug.png" />
      <img name="Base_sp0.2_ac.png" timestamp="2019-03-24T12:30:16Z" url="http://index.cslt.org/mediawiki/images/3/38/Base_sp0.2_ac.png" descriptionurl="http://index.cslt.org/mediawiki/index.php/%E6%96%87%E4%BB%B6:Base_sp0.2_ac.png" ns="6" title="文件:Base sp0.2 ac.png" />
    </allimages>
  </query>
</api>