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/LineSeries.java
* @param value the new value of the '<em>Connect Missing Value</em>' attribute.
	 * @see #isSetConnectMissingValue()
	 * @see #unsetConnectMissingValue()
	 * @see #isConnectMissingValue()
	 * @generated
	 */
	void setConnectMissingValue( boolean value );
	/**
	 * Unsets the value of the '{@link org.eclipse.birt.chart.model.type.LineSeries#isConnectMissingValue <em>Connect Missing Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isSetConnectMissingValue()
	 * @see #isConnectMissingValue()
	 * @see #setConnectMissingValue(boolean)
	 * @generated
	 */
	void unsetConnectMissingValue( );
	/**
	 * Returns whether the value of the '{@link org.eclipse.birt.chart.model.type.LineSeries#isConnectMissingValue <em>Connect Missing Value</em>}' attribute is set.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return whether the value of the '<em>Connect Missing Value</em>' attribute is set.
	 * @see #unsetConnectMissingValue()
	 * @see #isConnectMissingValue()
	 * @see #setConnectMissingValue(boolean)
	 * @generated
	 */
	boolean isSetConnectMissingValue( );
}