Bug 209464 Drill-through link should pass svg parameter value[0002]
Description: Drill-through link should pass svg parameter value Build number:2.3.0.v20071112 Steps to reproduce: 1. Insert a chart. 2. Define drill-through link in chart interactivity which link to the current report. 3. In preference, enable svg. 4. Preview and click the link. Expected result: Display chart with same type after drill-through link Actual result: In preview page, chart is svg chart.After drill-through link, the same chart in the linked page has gray background which means the chart is converted to non-svg image. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
}
		catch ( UnsupportedEncodingException e )
		{
		}
		if ( realBookmark )
		{
			link.append( "#" ); 
			link.append( bookmark );
		}
		else
		{
			link.append( ParameterAccessor.getQueryParameterString(
					ParameterAccessor.PARAM_BOOKMARK, bookmark ) );
			
			if ( !action.isBookmark( ) )
				link.append( ParameterAccessor.getQueryParameterString(
						ParameterAccessor.PARAM_ISTOC, "true" ) ); 
		}
		return link.toString( );
	}
	/**
	 * builds URL for drillthrough action
	 * 
	 * @param action
	 *            instance of the IAction instance
	 * @param context
	 *            the context for building the action string
	 * @return a URL
	 */
	protected String buildDrillAction( IAction action, IReportContext context )