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="Basic_Chain_Weaves_2.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="Basic_Chain_Weave_10.jpg" timestamp="2017-03-03T16:15:46Z" url="https://wiki.splatspace.org/images/5/52/Basic_Chain_Weave_10.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weave_10.jpg" ns="6" title="File:Basic Chain Weave 10.jpg" />
      <img name="Basic_Chain_Weave_11.jpg" timestamp="2017-03-03T16:16:19Z" url="https://wiki.splatspace.org/images/d/df/Basic_Chain_Weave_11.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weave_11.jpg" ns="6" title="File:Basic Chain Weave 11.jpg" />
      <img name="Basic_Chain_Weave_8.jpg" timestamp="2017-03-03T16:14:35Z" url="https://wiki.splatspace.org/images/6/6a/Basic_Chain_Weave_8.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weave_8.jpg" ns="6" title="File:Basic Chain Weave 8.jpg" />
      <img name="Basic_Chain_Weave_9.jpg" timestamp="2017-03-03T16:15:11Z" url="https://wiki.splatspace.org/images/0/08/Basic_Chain_Weave_9.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weave_9.jpg" ns="6" title="File:Basic Chain Weave 9.jpg" />
      <img name="Basic_Chain_Weaves_1.jpg" timestamp="2017-03-03T16:08:38Z" url="https://wiki.splatspace.org/images/6/69/Basic_Chain_Weaves_1.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_1.jpg" ns="6" title="File:Basic Chain Weaves 1.jpg" />
      <img name="Basic_Chain_Weaves_12.jpg" timestamp="2017-03-03T16:17:01Z" url="https://wiki.splatspace.org/images/e/e8/Basic_Chain_Weaves_12.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_12.jpg" ns="6" title="File:Basic Chain Weaves 12.jpg" />
      <img name="Basic_Chain_Weaves_13.jpg" timestamp="2017-03-03T16:17:39Z" url="https://wiki.splatspace.org/images/c/c6/Basic_Chain_Weaves_13.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_13.jpg" ns="6" title="File:Basic Chain Weaves 13.jpg" />
      <img name="Basic_Chain_Weaves_14.jpg" timestamp="2017-03-03T16:18:16Z" url="https://wiki.splatspace.org/images/a/a3/Basic_Chain_Weaves_14.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_14.jpg" ns="6" title="File:Basic Chain Weaves 14.jpg" />
      <img name="Basic_Chain_Weaves_15.jpg" timestamp="2017-03-03T16:18:54Z" url="https://wiki.splatspace.org/images/0/07/Basic_Chain_Weaves_15.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_15.jpg" ns="6" title="File:Basic Chain Weaves 15.jpg" />
      <img name="Basic_Chain_Weaves_16.jpg" timestamp="2017-03-03T16:19:32Z" url="https://wiki.splatspace.org/images/9/97/Basic_Chain_Weaves_16.jpg" descriptionurl="https://wiki.splatspace.org/index.php/File:Basic_Chain_Weaves_16.jpg" ns="6" title="File:Basic Chain Weaves 16.jpg" />
    </allimages>
  </query>
</api>