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
if ( bookmark != null )
		{
			Object tmp = evaluate( bookmark );
			if ( tmp != null && !tmp.equals( "" ) )
			{
				itemContent.setBookmark( tmp.toString( ) );
			}
		}
		String toc = item.getTOC( );
		if ( toc != null )
		{
			Object tmp = evaluate( toc );
			if ( tmp != null )
			{
				itemContent.setTOC( tmp );
			}
		}
	}
	/**
	 * Calculate the action value which is set to <code>ReportItemContent</code>
	 * if the action is not null.
	 * 
	 * @param action
	 *            the action design object
	 * @param itemContent
	 *            create report item content object
	 */
	protected void processAction( ReportItemDesign item, IContent itemContent )
	{
		assert itemContent != null;