Re: Pop up context menu (at point) with <menu> key rather than mouse

["N. Jackson" <nljlistbox2@gmail.com>]

At 21:29 +0200 on Friday 2018-11-09, Eli Zaretskii wrote:
>
> From mouse.el:
>
>   ;; By binding these to down-going events, we let the user use the up-going
>   ;; event to make the selection, saving a click.
>   (global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
>   (if (not (eq system-type 'ms-dos))
>       (global-set-key [S-down-mouse-1] 'mouse-appearance-menu))
>   ;; C-down-mouse-2 is bound in facemenu.el.
>   (global-set-key [C-down-mouse-3]
>     `(menu-item ,(purecopy "Menu Bar") ignore
>       :filter (lambda (_)
> 		(if (zerop (or (frame-parameter nil 'menu-bar-lines) 0))
> 		    (mouse-menu-bar-map)
> 		  (mouse-menu-major-mode-map)))))

Hmm... where is `menu-item' defined?

  C-h f menu-item RET
    => [No match]

  C-h r i menu-item RET
    => No `menu-item' in index

  C-u M-x xref-find-definitions RET menu-item RET
    =>  No definitions found for: menu-item