Bug 214065 [Regression]Group TOC are created automatically when preview in Web viewer and PDF
Description: [Regression]Group TOC are created automatically when preview in Web viewer and PDF Build number: 2.3.0.v200701012-1021 Steps to reproduce: 1, New a table binding with dataset 2, New a group on table and do not specify the group toc 3, Preview in Web viewer and PDF Expected result: No default TOC of group Actual result: Some empty group toc created automatically in preview Error log:
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ReportItemExecutor.java
*/
	protected long uniqueId;
	/**
	 * the instance id of the generated content.
	 */
	protected InstanceID instanceId;
	
	/**
	 * the current result set before execute this report item.
	 */
	protected IBaseResultSet[] parentRsets;
	/**
	 * construct a report item executor by giving execution context and report
	 * executor visitor
	 * 
	 * @param context
	 *            the executor context
	 * @param visitor
	 *            the report executor visitor
	 */
	protected ReportItemExecutor( ExecutorManager manager, int type )
	{
		this.manager = manager;
		this.type = type;
		this.context = manager.context;
		this.report = context.getReportContent( );
		this.onCreateVisitor = new OnCreateScriptVisitor( context );
		this.executorContext = null;
		this.parent = null;
		this.handle = null;