Bug 99921 Empty working set name remains in working set group
3.1 RC3. If an empty working set is present (see bug ) the working set filter group always restores this one if none was selected before. I approve this one for 3.1 RC3 since the bug affects all JDT views and the fix is trivial. Dirk?
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetFilterActionGroup.java
fWorkingSetListener= null;
		}
		fChangeListener= null; 
		
		super.dispose();
	}
	
	/**
	 * @return Returns viewer filter always confugured with the current working set. 
	 */
	public ViewerFilter getWorkingSetFilter() {
		return fWorkingSetFilter;
	}
		
	/*
	 * Called by the working set change listener
	 */
	private void doPropertyChange(PropertyChangeEvent event) {
		String property= event.getProperty();
		if (IWorkingSetManager.CHANGE_WORKING_SET_NAME_CHANGE.equals(property)) {
			fChangeListener.propertyChange(event);
		} else if  (IWorkingSetManager.CHANGE_WORKING_SET_CONTENT_CHANGE.equals(property)) {
			IWorkingSet newWorkingSet= (IWorkingSet) event.getNewValue();
			if (newWorkingSet.equals(fWorkingSet)) {
				fChangeListener.propertyChange(event);
			}
		}
	}
}