minor correction to buffer.buildProducingOperation method - account for explicitly defined alternate operations)
minor correction to buffer.buildProducingOperation method - account for explicitly defined alternate operations)

frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe