Bug 294790 [KeyBindings] LegacyActionTools should support SWT.F13 - F20
bundles/org.eclipse.jface/src/org/eclipse/jface/action/LegacyActionTools.java
return 0;
	}
	/**
	 * Returns a string representation of an SWT modifier bit (SWT.CTRL,
	 * SWT.ALT, SWT.SHIFT, and SWT.COMMAND). Returns <code>null</code> if the
	 * key code is not an SWT modifier bit.
	 * 
	 * @param keyCode
	 *            the SWT modifier bit to be translated
	 * @return the string representation of the SWT modifier bit, or
	 *         <code>null</code> if the key code was not an SWT modifier bit
	 * @see SWT
	 */
	public static final String findModifierString(final int keyCode) {
		if (keyCode == SWT.CTRL) {
			return JFaceResources.getString("Ctrl"); 
		}
		if (keyCode == SWT.ALT) {
			return JFaceResources.getString("Alt"); 
		}
		if (keyCode == SWT.SHIFT) {
			return JFaceResources.getString("Shift"); 
		}
		if (keyCode == SWT.COMMAND) {
			return JFaceResources.getString("Command"); 		
		}
		return null;
	}
	/**
	 * Returns the string representation of the modifiers (Ctrl, Alt, Shift,