Bug 294790 [KeyBindings] LegacyActionTools should support SWT.F13 - F20
bundles/org.eclipse.jface/src/org/eclipse/jface/action/LegacyActionTools.java
Integer integer = new Integer(i);
		String result = (String) keyStrings.get(integer);
		if (result != null) {
			return result;
		}
		result = new String(new char[] { (char) i });
		return result;
	}
	/**
	 * Find the supplied code for a localized key. As #findKeyCode but localized
	 * to the current locale.
	 * 
	 * Support for localized modifiers is for backwards compatibility with 1.0.
	 * Use setAccelerator(int) to set accelerators programatically or the
	 * <code>accelerator</code> tag in action definitions in plugin.xml.
	 * 
	 * @param token
	 *            the localized key name
	 * @return the SWT key code, <code>-1</code> if no match was found
	 * @see #findKeyCode
	 */
	private static final int findLocalizedKeyCode(String token) {
		if (localizedKeyCodes == null) {
			initLocalizedKeyCodes();
		}
		token = token.toUpperCase();
		Integer i = (Integer) localizedKeyCodes.get(token);
		if (i != null) {
			return i.intValue();
		}