Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/component/Axis.java
* <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isSetStaggered()
	 * @see #isStaggered()
	 * @see #setStaggered(boolean)
	 * @generated
	 */
	void unsetStaggered( );
	/**
	 * Returns whether the value of the '
	 * {@link org.eclipse.birt.chart.model.component.Axis#isStaggered <em>Staggered</em>}' attribute is set. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return whether the value of the '<em>Staggered</em>' attribute is set.
	 * @see #unsetStaggered()
	 * @see #isStaggered()
	 * @see #setStaggered(boolean)
	 * @generated
	 */
	boolean isSetStaggered( );
	/**
	 * Returns the value of the '<em><b>Interval</b></em>' attribute.
	 * The default value is <code>"0"</code>.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Specifies the showing interval for the labels.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Interval</em>' attribute.
	 * @see #isSetInterval()
	 * @see #unsetInterval()