Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/attribute/AttributePackage.java
/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.impl.DataPointImpl <em>Data Point</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.DataPointImpl
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getDataPoint()
		 * @generated
		 */
		EClass DATA_POINT = eINSTANCE.getDataPoint( );
		/**
		 * The meta object literal for the '<em><b>Components</b></em>' containment reference list feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference DATA_POINT__COMPONENTS = eINSTANCE.getDataPoint_Components( );
		/**
		 * The meta object literal for the '<em><b>Prefix</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute DATA_POINT__PREFIX = eINSTANCE.getDataPoint_Prefix( );
		/**
		 * The meta object literal for the '<em><b>Suffix</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute DATA_POINT__SUFFIX = eINSTANCE.getDataPoint_Suffix( );