Lab 20: XML
    
       - You might want to follow the 
              XML Tutorial.
 
       - Let's make an XML-animals. 
 
       - You can do this all in a text editor and read the file in
           with your browser. 
 
       - Make an XML document.  You might want to try to duplicate
           the onotology in the semantic nets lecture. 
 
       - I've done a set of animals. 
 
       - You have to implement inheritence explicitly.  (You
           have to encode all the features.) 
 
       - Add some attributes. 
 
       - Make an XSLT stylesheet. 
 
       - Integrate your file with a colleagues.