Bug 335308 [JFace] JavaDoc of ControlDecoration#setDescriptionText is wrong
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ControlDecoration.java
*            rendered. The decoration will be clipped to this composite,
	 *            but it may be rendered on a child of the composite. The
	 *            decoration will not be visible if the specified composite or
	 *            its child composites are not visible in the space relative to
	 *            the control, where the decoration is to be rendered. If this
	 *            value is <code>null</code>, then the decoration will be
	 *            rendered on whichever composite (or composites) are located in
	 *            the specified position.
	 */
	public ControlDecoration(Control control, int position, Composite composite) {
		this.position = position;
		this.control = control;
		this.composite = composite;
		addControlListeners();
	}
	/**
	 * Adds the listener to the collection of listeners who will be notified
	 * when the platform-specific context menu trigger has occurred, by sending
	 * it one of the messages defined in the <code>MenuDetectListener</code>
	 * interface.
	 * <p>
	 * The <code>widget</code> field in the SelectionEvent will contain the
	 * Composite on which the decoration is rendered that received the click.
	 * The <code>x</code> and <code>y</code> fields will be in coordinates
	 * relative to the display. The <code>data</code> field will contain the
	 * decoration that received the event.
	 * </p>
	 * 
	 * @param listener
	 *            the listener which should be notified