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>
    <allredirects garcontinue="Hausmann_Study|1372" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1443" ns="0" title="Headroom" />
      <page pageid="1537" ns="0" title="Game the system" />
      <page pageid="1539" ns="0" title="&quot;game the system&quot;" />
      <page pageid="1655" ns="0" title="Ecological Control Group" />
      <page pageid="2073" ns="100" title="Protected:Direct instruction" />
      <page pageid="2154" ns="0" title="Goal Setting and its Motivational Constructs" />
      <page pageid="2157" ns="0" title="Re-do work" />
      <page pageid="2310" ns="0" title="Educational Research Methods 09" />
      <page pageid="3088" ns="0" title="E-Learning Design Principles 2014" />
      <page pageid="3131" ns="0" title="E-Learning Design Principles 2015" />
    </pages>
  </query>
</api>