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 arcontinue="Ядра_Minecraft" />
  </query-continue>
  <query>
    <allredirects>
      <r ns="0" title="HurtWorld Oxide Permissions" />
      <r ns="0" title="Minecraft Forge" />
      <r ns="0" title="RustIO Oxide" />
      <r ns="0" title="Server.cfg Rust Legacy" />
      <r ns="0" title="Как изменить Steam на No-Steam?" />
      <r ns="0" title="Команды Rust" />
      <r ns="0" title="Команды для чата" />
      <r ns="0" title="Отличие Rust Experimental от Rust Legacy" />
      <r ns="0" title="Предметы Rust Experimental" />
      <r ns="0" title="Установка плагинов craftbukkit" />
    </allredirects>
  </query>
</api>