bug#57372: no-toolkit menu popups do not respect emacs font configuration

[Eli Zaretskii]

> From: Tomas Hlavaty <tom@logand.com>
> Cc: luangruo@yahoo.com, 57372@debbugs.gnu.org
> Date: Thu, 25 Aug 2022 21:07:25 +0200
> 
> I tried binding tmm-menubar to F10 but that does not work:
> 
> $ emacs -q \
> --eval "(global-set-key [F10] 'tmm-menubar)" \
> --eval '(describe-key [F10])'
> 
> This shows that tmm-menubar is bound to <F10> and M-`.
> Pressing M-` opens tmm-menubar which is correct.
> But pressing F10 pops up the X resources based menu which is wrong.
> It seems that something in Emacs does not respect my F10 key binding.

It's [f10], lower-case.