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
* @generated
	 * @ordered
	 */
	int FONT_DEFINITION__ITALIC = 3;
	/**
	 * The feature id for the '<em><b>Strikethrough</b></em>' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int FONT_DEFINITION__STRIKETHROUGH = 4;
	/**
	 * The feature id for the '<em><b>Underline</b></em>' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	int FONT_DEFINITION__UNDERLINE = 5;
	/**
	 * The feature id for the '<em><b>Word Wrap</b></em>' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	int FONT_DEFINITION__WORD_WRAP = 6;
	/**
	 * The feature id for the '<em><b>Alignment</b></em>' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->