Bug 132630 Additional markers can not support interactivity
Additional markers can not support interactivity Steps: 1.Create a line chart 2.Set Y series marker to additional marker such as star or ellipse 3.Add a interactivity such as showTooltip to Y series 4.Preview in web viewer Actual results: 1.Additional markers can not support interactivity Expected Results: 1.Additional markers can nsupport interactivity
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGRendererImpl.java
wss = null;
			}
		}
		else if (src.getType() == StructureType.SERIES) return src;
		return null;
	}
	/**
	 * Groups the svg drawing instructions that represents this primitive events.  Each group is 
	 * assigned an id that identifies the source object of the primitive event
	 * 
	 * @param pre primitive render event
	 * @param drawText TODO
	 */
	protected void groupPrimitive(PrimitiveRenderEvent pre, boolean drawText) {
		if ( _iun == null )
		{
			logger.log( ILogger.WARNING,
					Messages.getString( "exception.missing.component.interaction", getULocale( ) ) ); 
			return;
		}		
		SVGGraphics2D svg_g2d = (SVGGraphics2D) _g2d;
		
		if (pre.getSource() instanceof StructureSource) {
			if (drawText){
				Object source = ((StructureSource) pre.getSource()).getSource();
				if (source instanceof Series){
					try {
					Series seDT = findDesignTimeSeries((Series) source); 
					String id = Integer.toString(pre.hashCode());