Bug 119827 Window working set has strange name in type hierarchy view
Build id: I20051206-1200 Don't know if this is JDT/UI or Platform/UI but when the window working set is selected a strange name is presented in the title bar of the view (see attached screen shot)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
result.add(parent.getData());
				parent= parent.getParentItem();
			}
			Collections.reverse(result);
			return new TreePath(result.toArray());
		}
		private Object getElement(TreeItem item) {
			Object result= item.getData();
			if (result == null)
				return null;
			return result;
		}
		protected Widget internalGetWidgetToSelect(Object element) {
			Widget result= findItem(element);
			if (!(result instanceof TreeItem))
				return result;
			if (isInHistroyWorkingSet((TreeItem)result)) {
				List l= (List)fAdditionalMappings.get(element);
				if (l != null && !l.isEmpty()) {
					return (Widget)l.get(0);
				} else {
					
					
					return null;
				}
			}
			return result;
		}
		private boolean isInHistroyWorkingSet(TreeItem item) {
			TreeItem parent= item.getParentItem();