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
* <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute FONT_DEFINITION__NAME = eINSTANCE.getFontDefinition_Name( );
		/**
		 * The meta object literal for the '<em><b>Size</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute FONT_DEFINITION__SIZE = eINSTANCE.getFontDefinition_Size( );
		/**
		 * The meta object literal for the '<em><b>Bold</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute FONT_DEFINITION__BOLD = eINSTANCE.getFontDefinition_Bold( );
		/**
		 * The meta object literal for the '<em><b>Italic</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute FONT_DEFINITION__ITALIC = eINSTANCE.getFontDefinition_Italic( );
		/**
		 * The meta object literal for the '<em><b>Strikethrough</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated