Bug 191140 Cross tab - Highlight rule expression does not work
Please refer to the attached report design - I define highlight rule expression on the cross tab item - It fails to apply the rule.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/PropertyCommand.java
setMember( ref, value );
				return;
			}
			value = StructureFactory.createTOC( (String) value );
		}
		if ( IExtendedItemModel.EXTENSION_NAME_PROP.equals( prop.getName( ) ) )
		{
			throw new PropertyValueException(
					element,
					IExtendedItemModel.EXTENSION_NAME_PROP,
					value,
					PropertyValueException.DESIGN_EXCEPTION_EXTENSION_SETTING_FORBIDDEN );
		}
		String mask = element.getPropertyMask( module, prop.getName( ) );
		if ( DesignChoiceConstants.PROPERTY_MASK_TYPE_LOCK
				.equalsIgnoreCase( mask ) )
		{
			throw new PropertyValueException( element, prop, value,
					PropertyValueException.DESIGN_EXCEPTION_VALUE_LOCKED );
		}
		
		
		if ( element.isVirtualElement( ) && element instanceof Cell )
		{
			propName = prop.getName( );
			if ( ICellModel.COL_SPAN_PROP.equalsIgnoreCase( propName )
					|| ICellModel.ROW_SPAN_PROP.equalsIgnoreCase( propName )
					|| ICellModel.DROP_PROP.equalsIgnoreCase( propName )
					|| ICellModel.COLUMN_PROP.equalsIgnoreCase( propName ) )
			{