Re: Mod-9?

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: emacs-devel@gnu.org
> Date: Mon, 06 Sep 2021 18:27:05 +0300
> 
> > NEWS says:
> >
> >   *** 'Mod-9' bound to 'tab-last' now switches to the last tab.
> >   It also supports a negative argument.
> >
> > What is "Mod-9"?
> >
> > And at least in today's master, "C-h w" says tab-last is not bound to
> > any key.  What am I missing?
> 
> It's bound when tab-bar-select-tab-modifiers is customized to some
> modifier, thus it's named 'Mod-9' where "Mod" means a customized
> key modifier.

Thanks.

I've customized tab-bar-select-tab-modifiers to (control), but
"C-h c C-9" says "C-9 runs the command digit-argument", and "C-h w"
still says tab-last is not on any key.  What did I miss now?