Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/type/AreaChart.java
series.setStacked( false );
							}
						}
					}
				}
			}
			else if ( currentChart.getType( ).equals( BarChart.TYPE_LITERAL )
					|| currentChart.getType( ).equals( LineChart.TYPE_LITERAL )
					|| currentChart.getType( ).equals( StockChart.TYPE_LITERAL )
					|| currentChart.getType( )
							.equals( ScatterChart.TYPE_LITERAL ) )
			{
				if ( !currentChart.getType( ).equals( BarChart.TYPE_LITERAL ) )
				{
					currentChart.setSampleData( getConvertedSampleData( currentChart.getSampleData( ) ) );
					( (Axis) ( (ChartWithAxes) currentChart ).getAxes( )
							.get( 0 ) ).setType( AxisType.TEXT_LITERAL );
				}
				currentChart.setType( TYPE_LITERAL );
				currentChart.setSubType( sNewSubType );
				currentChart.getTitle( )
						.getLabel( )
						.getCaption( )
						.setValue( CHART_TITLE );
				EList axes = ( (Axis) ( (ChartWithAxes) currentChart ).getAxes( )
						.get( 0 ) ).getAssociatedAxes( );
				for ( int i = 0; i < axes.size( ); i++ )
				{
					if ( sNewSubType.equalsIgnoreCase( PERCENTSTACKED_SUBTYPE_LITERAL ) )
					{