Re: Get a command by its keybinding and also respecting key translation

[Tassilo Horn]

On Tuesday 14 December 2010 20:50:43 Stefan Monnier wrote:
> > (define-context-key outline-minor-mode-map
> >   (kbd "<tab>")
> >   th-outline-context-p
> >   org-cycle)
> 
> You can do it this way:
> 
>   (define-key outline-minor-mode-map
>     (kdb "<tab>")
>     `(menu-item "dummy" org-cycle
>       :filter ,(lambda (cmd)
>                  (if (th-outline-context-p) cmd))))

Hm, just for educational purposes, could you please explain the
backquoting and the comma-substitution of the lambda?  I mean, I know
that `,' in a backquote triggers evaluation, but since a lambda evals to
itself, what's the point in doing so?

Thanks!
Tassilo