bug#62250: 29.0.60; Allow context menu from text properties to not override everything

[Eli Zaretskii <eliz@gnu.org>]

> From: Augusto Stoffel <arstoffel@gmail.com>
> Cc: 62250@debbugs.gnu.org,  juri@linkov.net
> Date: Sat, 18 Mar 2023 12:29:19 +0100
> 
> On Sat, 18 Mar 2023 at 13:24, Eli Zaretskii wrote:
> 
> > What MENU argument?  I see only a CLICK argument.
> 
> --8<---------------cut here---------------start------------->8---
> (defun context-menu-map (&optional click)
>   "Return menu map constructed for context near mouse CLICK.
> The menu is populated by calling functions from `context-menu-functions'.
> Each function receives the menu and the mouse click event
>                            ^^^^
> and returns the same menu after adding own menu items to the composite menu.
> When there is a text property `context-menu-function' at CLICK,
> it overrides all functions from `context-menu-functions'.
> At the end, it's possible to modify the final menu by specifying
> the function `context-menu-filter-function'."
> --8<---------------cut here---------------end--------------->8---

Now I'm completely confused regarding your proposal.