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.FormatSpecifierImpl <em>Format Specifier</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.FormatSpecifierImpl
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getFormatSpecifier()
		 * @generated
		 */
		EClass FORMAT_SPECIFIER = eINSTANCE.getFormatSpecifier( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.impl.FractionNumberFormatSpecifierImpl <em>Fraction Number Format Specifier</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.FractionNumberFormatSpecifierImpl
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getFractionNumberFormatSpecifier()
		 * @generated
		 */
		EClass FRACTION_NUMBER_FORMAT_SPECIFIER = eINSTANCE.getFractionNumberFormatSpecifier( );
		/**
		 * The meta object literal for the '<em><b>Precise</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute FRACTION_NUMBER_FORMAT_SPECIFIER__PRECISE = eINSTANCE.getFractionNumberFormatSpecifier_Precise( );
		/**
		 * The meta object literal for the '<em><b>Fraction Digits</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated