bug#52973: Adding a few context-menu-mode commands

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: philipk@posteo.net,  52973@debbugs.gnu.org
> Date: Thu, 06 Jan 2022 22:35:57 +0200
> 
> >> Thanks, everything looks consistent.  If no one will have more comments
> >> during the next few days, it seems safe to assume it's ok to push.
> >
> > Yeah, feel free to push and disregard everything I said about this
> > arrangement of context menus not making sense.
> 
> The patches from Philip just add new functions.
> Whether to include them in the default value
> of the context function is a separate discussion.

How does it make sense to add functions that aren't used?

Lars, what is your opinion about these issues?  Am I the only one who
thinks that context-menu-mode should automatically activate context
menus in every mode that has support for it?