bove demonstration, a URI string is set to a new 
package named ÅgexÅh as its documentation option at first, and then the regular 
mapping is set as prefix named space in system at line 3. So, URI to package 
mapping is established here as shown later on line 5. In regular mapping for a 
URI with fragment, regular URI to QName conversion is carried out in default 
rules without using the URI's symbol mapping environment. </p>
<p class="justify">A user may set any user-defined functions to global variable 