If a user hasn't copied anything, would it be a good idea to disable the "Paste" menu entry and replace the text with "Nothing to Paste" instead of just disabling it? Menus aren't always static, ...
In 2008, Joel Spolsky wrote: A long time ago, it became fashionable, even recommended, to disable menu items when they could not be used. Don't do this. Users see the disabled menu item ...