Duration("P1Y2MT") should throw IllegalArgumentException

public Duration(java.lang.String lexicalRepresentation)
         throws java.lang.IllegalArgumentException
Constructs a new Duration object by parsing its string representation
      "PnYnMnDTnHnMnS" as defined in XML Schema 1.0 section 3.2.6.1.
       http://www.w3.org/TR/xmlschema-2/#duration-order

- throws java.lang.IllegalArgumentException if the given string does not conform to the aforementioned specification.

and according to the spec ,
      - The designator 'T' shall be absent if all of the time items are absent in "PnYnMnDTnHnMnS"
 For example, P1Y2MT is not allowed.
 
So , calling Duration constructor with lexicalRepresentation - "P1Y2MT" should throw java.lang.IllegalArgumentException

Test program - Test3.java
-------------------------------------------------------------------------------
import javax.xml.datatype.Duration;

public class Test3 {
 
    Test3() {}

    // main()
    public static void main(String[] argv) {
        
        Test3 test3 = new Test3();
        test3.checkDuration01();
     }
      
    private void checkDuration01() {
       try{
          Duration duration1 = new Duration("P1Y2MT");
          System.out.println(" Expected IllegalArgumentException not thrown - checkDuration01() failed ");
       }catch( NullPointerException npe){
           System.out.println(" NPE thrown - checkDuration01() failed ");
       }catch( IllegalArgumentException iae){
           System.out.println(" Expected IllegalArgumentException thrown - checkDuration01 passed ");
       }catch( Exception e){
          System.out.println(" Exception thrown - checkDuration01() failed ");
       }
    }
   
}

-------------------------------------------------------------------------------
---------------------------------
verified in Tiger 1.5.0-beta2-b44
###@###.### 2004-03-30
---------------------------------