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="Hessian_Leib-Regiment|6294" />
  </query-continue>
  <query>
    <pages>
      <page pageid="5589" ns="0" title="Repulse (32)" />
      <page pageid="6292" ns="0" title="Kanitz Infantry" />
      <page pageid="6295" ns="0" title="Drachenhausen Dragoons" />
      <page pageid="6296" ns="0" title="Breitenbach Dragoons" />
      <page pageid="6793" ns="0" title="BĂ©lgica Dragoons" />
      <page pageid="6987" ns="0" title="Bjeloserskiy Infantry" />
      <page pageid="7151" ns="0" title="Chuguevski Cossacks" />
      <page pageid="7214" ns="0" title="Walthausen Cavalry" />
      <page pageid="7337" ns="0" title="Hampton Court (70)" />
      <page pageid="7385" ns="0" title="Archangel Gavriil (66)" />
    </pages>
  </query>
</api>