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="Boot_process_4.0.2CD" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Bongski55" missing="" />
      <page ns="0" title="Boot.img" missing="" />
      <page ns="0" title="Boot FloppyHowTo" missing="" />
      <page pageid="1234" ns="0" title="BIOS" />
      <page pageid="941" ns="0" title="Baby Gimp" />
      <page pageid="1129" ns="0" title="Bash" />
      <page pageid="747" ns="0" title="Basic Poor Mans" />
      <page pageid="924" ns="0" title="Beginners Live CD" />
      <page pageid="772" ns="0" title="Bittorrent" />
      <page pageid="1242" ns="0" title="Boot Floppy HowTo" />
    </pages>
  </query>
</api>