The same guidelines apply to menu items no matter what type of menu they're in. For example, the use of icons in Nautilus's "Open With" submenu should be exactly the same regardless of whether you are opening that submenu via the context menu or the "File" menu. And icons in buttons and icons in menu items already are covered by separate options.
The same guidelines apply to menu items no matter what type of menu they're in. For example, the use of icons in Nautilus's "Open With" submenu should be exactly the same regardless of whether you are opening that submenu via the context menu or the "File" menu. And icons in buttons and icons in menu items already are covered by separate options.