Bug 214453 Some Legend Entries are not correct when the text is shortened by ellipsis
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
{
		private boolean isInverse_ = false;
		private ListIterator lit_ = null;
		private int index_ = -1;
		/**
		 * The constructor.
		 */
		public InvertibleIterator(List tList, boolean isInverse, int index)
		{
			lit_ = tList.listIterator( index );
			isInverse_ = isInverse;
			if (isInverse) {
				index_ = lit_.previousIndex( );
			}
			else {