Here's a similar patch for `key-binding`

Justin

On Thu, Dec 14, 2017 at 2:44 PM, Justin Burkett <justin@burkett.cc> wrote:

> Hi all,
>
> I'd like to be able to access more information about key bindings of the
> form (DESCRIPTION . DEF) and menu-items. As far as I can tell there's no
> easy way to do this using built-in tools in a robust way (i.e., without
> manually having to write a lookup-key function).
>
> I'm wondering if the attached patch would be acceptable. The idea was to
> add an optional argument to lookup-key to prevent it from stripping this
> information about the key bindings.
>
> In principle, I might also like to do something similar for the
> key-binding function, but the current patch is sufficient for my purposes.
>
> I have assigned copyright to the FSF, but this would be my first commit
> against Emacs. I apologize in advance for overlooking some convention.
>
> Thanks,
> Justin
>