>

<p>
  Sometimes a menu item's action cannot be performed &mdash; for example,
  the "Forward" button in a browser cannot work until after the "Back" 
  button has been pressed. We recommend:
</p>

<ul>
  <li> 	
    <b>In Options menu</b> - disable the menu item, which dims the text and icon,
    turning it gray.  This applies to menu items in both the icon menu and the
    "More" menu.  It would be disorienting for the icon menu to change from 6
    items to 5 items, and we treat the "More" menu the same