On Wed, 09 May 2018 at 09:40:24 +1200, Alan Third wrote:

> I notice all this code is cocoa only, though. Makes me wonder why
> GNUstep is different. (The menus on GNUstep Emacs are awful, though,
> they flicker constantly.)

I think Cocoa uses a delegate method to update single submenus which
(I've read) isn't supported on GNUStep. This means ns_update_menubar has
to recreate every menu on every call (deep_p is always 1). Maybe that
has something to do with it?