Bug 232048 [Viewers] binary incompatibility (adding public fields) reported against jface.viewers
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
/**
	 * Property name for the select all action
	 */
	public static final String SELECT_ALL = "selectall"; 
	/**
	 * Property name for the undo action
	 */
	public static final String UNDO = "undo"; 
	/**
	 * Creates a new cell editor with no control The cell editor has no cell
	 * validator.
	 *
	 * @since 2.1
	 */
	protected CellEditor() {
	}
	/**
	 * Creates a new cell editor under the given parent control. The cell editor
	 * has no cell validator.
	 *
	 * @param parent
	 *            the parent control
	 */
	protected CellEditor(Composite parent) {
		this(parent, defaultStyle);
	}
	/**
	 * Creates a new cell editor under the given parent control. The cell editor
	 * has no cell validator.
	 *