Bug 199640 view in PDF error
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableBandLM.java
}*/
	protected boolean traverseChildren( )
	{
		if ( isFirst && groupLevel >= 0
				&& type == IBandContent.BAND_GROUP_FOOTER )
		{
			tbl.updateUnresolvedCell( groupLevel, false );
		}
		isFirst = false;
		boolean childBreak = super.traverseChildren( );
		if ( !childBreak && groupLevel >= 0
				&& type == IBandContent.BAND_GROUP_FOOTER )
		{
			tbl.updateUnresolvedCell( groupLevel, true );
		}
		return childBreak;
	}
	public int getCurrentBP( )
	{
		return parent.getCurrentBP( );
	}
	protected boolean submitRoot( boolean childBreak )
	{
		return true;
	}
	public int getCurrentIP( )
	{
		return parent.getCurrentIP( );
	}
	public int getCurrentMaxContentHeight()