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="Chumby_Rootdisk_-_RFS1_(analyzed)" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Bill of Materials" missing="" />
      <page ns="0" title="Chumby Hacking Brainstorm" missing="" />
      <page ns="0" title="Chumby Radio API" missing="" />
      <page pageid="1312" ns="0" title="Blinging for chumby" />
      <page pageid="1381" ns="0" title="Btplay.current" />
      <page pageid="1459" ns="0" title="Building OpenEmbedded (Beta)" />
      <page pageid="1392" ns="0" title="ChumbyNative" />
      <page pageid="1397" ns="0" title="Chumby Flash Tutorials" />
      <page pageid="1419" ns="0" title="Chumby One tips and tricks" />
      <page pageid="1376" ns="0" title="Chumby Property Dictionary" />
    </pages>
  </query>
</api>