Bug 294790 [KeyBindings] LegacyActionTools should support SWT.F13 - F20
bundles/org.eclipse.jface/src/org/eclipse/jface/action/LegacyActionTools.java
return SWT.COMMAND;
		}
		return 0;
	}
	/**
	 * Maps standard keyboard modifier key names to the corresponding SWT
	 * modifier bit. The following modifier key names are recognized (case is
	 * ignored): <code>"CTRL"</code>, <code>"SHIFT"</code>,
	 * <code>"ALT"</code>, and <code>"COMMAND"</code>. The given modifier
	 * key name is converted to upper case before comparison.
	 * 
	 * @param token
	 *            the modifier key name
	 * @return the SWT modifier bit, or <code>0</code> if no match was found
	 * @see SWT
	 */
	public static final int findModifier(String token) {
		token = token.toUpperCase();
		if (token.equals("CTRL")) { 
			return SWT.CTRL;
		}
		if (token.equals("SHIFT")) { 
			return SWT.SHIFT;
		}
		if (token.equals("ALT")) { 
			return SWT.ALT;
		}
		if (token.equals("COMMAND")) { 
			return SWT.COMMAND;
		}