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="Yellowwood_Amphitheatre|258" />
  </query-continue>
  <query>
    <pages>
      <page pageid="373" ns="0" title="Wilgerpoort" />
      <page pageid="779" ns="0" title="Tafelberg Black Ice Area" />
      <page pageid="781" ns="0" title="Tafelberg Big Groove Sector" />
      <page pageid="782" ns="0" title="Tafelberg Spout" />
      <page pageid="811" ns="0" title="Ladybrand" />
      <page pageid="902" ns="0" title="Main Page" />
      <page pageid="1094" ns="0" title="Index.php" />
      <page pageid="1163" ns="0" title="Boulder Kloof (trad)" />
      <page pageid="1190" ns="0" title="Climbing on R62" />
      <page pageid="1313" ns="0" title="Hidden Kloof (sport and trad)" />
    </pages>
  </query>
</api>