The menu item "Convert to plain/text and display" doesn't show on the context menu for buttons. This is because the menu item is expected to be evaluated, and the FSF & X emacsen don't seem to allow it. Check the definition of "vm-menu-mime-dispose-menu".
The menu item "Convert to plain/text and display" doesn't show on the context menu for buttons. This is because the menu item is expected to be evaluated, and the FSF & X emacsen don't seem to allow it. Check the definition of "vm-menu- mime-dispose- menu".