crii.cm = (Chart) EcoreUtil.copy( cm );
crii.cm = cm == null ? null : (Chart) EcoreUtil.copy( cm );
	public final IReportItem copy( )	{		final ChartReportItemImpl crii = new ChartReportItemImpl( handle );		crii.cm = (Chart) EcoreUtil.copy( cm );		return crii;	}