  <li>To the symbol <b>*uri2symbol-package-mapping-fun*</b>, currently as 
  default, the function that makes a query to users for package name is bound. </li>
  <li>When the function bound to <b>*uri2symbol-name-mapping-fun*</b> is 
  invoked, currently as default, if a URI has a fragment-less path, the 
  procedure for a fragment-less path parses the path into a directory and a 
  name. The name of path is a tail part in the path description and the other 
  part is a directory. The name is used for QName