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/impl/AttributePackageImpl.java
* @generated
	 */
	public EAttribute getDateFormatSpecifier_Type( )
	{
		return (EAttribute) dateFormatSpecifierEClass.getEStructuralFeatures( )
				.get( 0 );
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public EAttribute getDateFormatSpecifier_Detail( )
	{
		return (EAttribute) dateFormatSpecifierEClass.getEStructuralFeatures( )
				.get( 1 );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EClass getEmbeddedImage( )
	{
		return embeddedImageEClass;
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */