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>
    <alllinks galcontinue="Cross_Compiling_BIND_for_ARM" />
  </query-continue>
  <query>
    <pages>
      <page pageid="40" ns="0" title="BeagleBoneBlack Boot Process" />
      <page pageid="33" ns="0" title="BeagleBoneBlack Building Kernel" />
      <page pageid="44" ns="0" title="BeagleBoneBlack Cape Manager" />
      <page pageid="41" ns="0" title="BeagleBoneBlack Default uBoot Environment Variables" />
      <page pageid="34" ns="0" title="BeagleBoneBlack IEEE802154 Microchip MRF24J40" />
      <page pageid="76" ns="0" title="BeagleBoneBlack Upgrading uBoot" />
      <page pageid="47" ns="0" title="Budget 802.15.4 6LoWPAN Protocol Analyser using Wireshark" />
      <page pageid="78" ns="0" title="CC2650 SensorTag BuildYourOwnDevPack" />
      <page pageid="64" ns="0" title="Compiling uBoot RaspberryPi" />
      <page pageid="59" ns="0" title="Cross Compiling Asterisk IPPBX for ARM" />
    </pages>
  </query>
</api>