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/type/impl/LineSeriesImpl.java
*/
	protected static final boolean PALETTE_LINE_COLOR_EDEFAULT = false;
	/**
	 * The cached value of the '{@link #isPaletteLineColor() <em>Palette Line Color</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isPaletteLineColor()
	 * @generated
	 * @ordered
	 */
	protected boolean paletteLineColor = PALETTE_LINE_COLOR_EDEFAULT;
	/**
	 * This is true if the Palette Line Color attribute has been set. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 * @ordered
	 */
	protected boolean paletteLineColorESet = false;
	/**
	 * The default value of the '{@link #isCurve() <em>Curve</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isCurve()
	 * @generated
	 * @ordered
	 */
	protected static final boolean CURVE_EDEFAULT = false;
	/**
	 * The cached value of the '{@link #isCurve() <em>Curve</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isCurve()