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="Binary_Semaphore_05:_No-Ownership|2444" />
  </query-continue>
  <query>
    <pages>
      <page pageid="503" ns="0" title="A10.8051 Interfacing GPS" />
      <page pageid="985" ns="0" title="11 Let the motors run!" />
      <page pageid="1812" ns="0" title="6.AVR Interrupts" />
      <page pageid="1821" ns="0" title="3.AVR Programming in C" />
      <page pageid="1879" ns="0" title="A5.AVR Communication Protocols:I2C, SPI" />
      <page pageid="2436" ns="0" title="Read Task Info: vTaskList()" />
      <page pageid="2439" ns="0" title="Binary Semaphore 01: Extended Priority Inversion" />
      <page pageid="2440" ns="0" title="Binary Semaphore 0A:" />
      <page pageid="2441" ns="0" title="Binary Semaphore 0F:" />
      <page pageid="2442" ns="0" title="Binary Semaphore 0G:" />
    </pages>
  </query>
</api>