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="IRidium_Script_DDK|575" />
  </query-continue>
  <query>
    <allredirects>
      <r fromid="905" ns="0" title="Global Cache: Working with IR Devices" />
      <r fromid="994" ns="0" title="HWID, Serial number" />
      <r fromid="1273" ns="0" title="I2 Control V.2.2 for Mac" />
      <r fromid="1270" ns="0" title="I2 Control V2.2 for Android" />
      <r fromid="1272" ns="0" title="I2 Control V2.2 for Apple iOS" />
      <r fromid="1274" ns="0" title="I2 Control V2.2 for Mac" />
      <r fromid="1271" ns="0" title="I2 Control V2.2 for Windows" />
      <r fromid="579" ns="0" title="IRidium DDK" />
      <r fromid="1072" ns="0" title="IRidium FAQ" />
      <r fromid="576" ns="0" title="IRidium Script API" />
    </allredirects>
  </query>
</api>