Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
calculateExtraLegend( cm, rtc, legendData );
			}
			
			Label lgTitle = lg.getTitle( );
			Size titleSize = null;
			BoundingBox titleBounding = null;
			int iTitlePos = -1;
			if ( lgTitle != null &&
					lgTitle.isSetVisible( ) &&
					lgTitle.isVisible( ) )
			{
				lgTitle = LabelImpl.copyInstance( lgTitle );
				
				final String sPreviousValue = lgTitle.getCaption( ).getValue( );
				lgTitle.getCaption( )
						.setValue( rtc.externalizedMessage( sPreviousValue ) );
				try
				{
					titleBounding = Methods.computeBox( xs,
							IConstants.ABOVE,
							lgTitle,
							0,
							0 );
				}
				catch ( IllegalArgumentException uiex )
				{
					throw new ChartException( ChartEnginePlugin.ID,
							ChartException.RENDERING,
							uiex );
				}