Bug 141192 [Viewers] Javadoc change about multiple equal elements in StructuredViewer and AbstractTreeViewer
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
*/
    private void createAddedElements(Widget widget, Object[] elements) {
		if(elements.length == 1){
			if (equals(elements[0], widget.getData())) {
				return;
			}
		}
		
		ViewerComparator comparator = getComparator();
		TreePath parentPath = internalGetSorterParentPath(widget, comparator);
		Item[] items = getChildren(widget);
		
		 
		
		int lastInsertion = 0;		
		
		
		if(items.length == 0){
			for (int i = 0; i < elements.length; i++) {
				createTreeItem(widget, elements[i], -1);		
			}
			return;
		}
	
		for (int i = 0; i < elements.length; i++) {
			boolean newItem = true;
			Object element = elements[i];
			int index;
			if(comparator == null){
				if(itemExists(items,element)){