retValue.setProperty( key, getColumnHandle( ).getProperty( key ) );
getColumnHandle( ).copyPropertyTo( key, retValue );
	public Object copy( ) throws SemanticException	{		SlotHandle slotHandle = getColumnHandle( ).getContainerSlotHandle( );		ColumnHandle retValue = slotHandle.getElementHandle( )				.getElementFactory( )				.newTableColumn( );		Iterator iter = getColumnHandle( ).getPropertyIterator( );		while ( iter.hasNext( ) )		{			PropertyHandle handle = (PropertyHandle) iter.next( );			String key = handle.getDefn( ).getName( );			if ( handle.isLocal( ) )			{				retValue.setProperty( key, getColumnHandle( ).getProperty( key ) );			}		}		return retValue;	}