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/LineChart.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.IChartType#getName()
	 */
	public String getName( )
	{
		return TYPE_LITERAL;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.IChartType#getImage()
	 */
	public Image getImage( )
	{
		return imgIcon;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.IChartType#getHelp()
	 */
	public IHelpContent getHelp( )
	{
		return new HelpContentImpl( TYPE_LITERAL,
				Messages.getString( "LineChart.Txt.HelpText" ) ); 
	}
	/*