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>
  <expandtemplates xml:space="preserve">
{| class=&quot;infobox bordered&quot; style=&quot;vertical-align: top; text-align: left;&quot; |+ style=&quot;background: #ccf; font-size: larger;&quot; align=&quot;center&quot; | '''[[TOC Heading]]'''
|-
|-
| '''[[Subheading 1]]'''
|-
|
* [[Article 1]]
* [[Article 2]]
|-
| '''[[Subheading 2]]'''
|-
|
*[[Subsubheading 1]]
:[[Article 3]]
:[[Article 4]]
*[[Subsubheading 2]]
:[[Article 5]]
:[[Article 6]]
|}

JL test

&lt;math&gt;F(x, y) = z&lt;/math&gt;

&amp;ouml;

[[Page name test]]

[[page name test]]

[[Page Name   Test]]

[[Media:Foobar.tar.gz | test of uploaded tar.gz file]]

[[Schemes by Leonard - structured grids#SHARP | SHARP]]

&lt;math&gt;\mu_t&lt;/math&gt;

[[foo]]

[[bar]]

test
[http://www.example.com link title][http://www.example.com link title]</expandtemplates>
</api>