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/toc/TOCBuilder.java
this.tocTree = tocTree;
		TOCTreeNode root = tocTree.getTOCRoot( );
		rootEntry = new TOCEntry( null, root, root );
	}
	public TOCEntry startGroupEntry( TOCEntry parent, Object tocValue,
			String bookmark, String hiddenFormats, long elementId )
	{
		return startEntry( parent, tocValue, bookmark, hiddenFormats, true, elementId );
	}
	private String mergeHideFormats( TOCEntry parent, String hiddenFormats )
	{
		String parentHiddenFormats = parent.getHideFormats( );
		if ( hiddenFormats == null )
		{
			return parentHiddenFormats;
		}
		if ( parentHiddenFormats == null )
		{
			return hiddenFormats;
		}
		return hiddenFormats + ", " + parentHiddenFormats ;
	}
	public void closeGroupEntry( TOCEntry group )
	{
	}
	/**
	 * @param displayString
	 *            display string for the TOC entry
	 * @param bookmark
	 */