bug#36767: 26.1; request: add more quick keys to the *Help* buffer

[Eli Zaretskii]

> Cc: 36767@debbugs.gnu.org, rpluim@gmail.com, emacsuser@freemail.hu,
>  larsi@gnus.org, juri@linkov.net
> From: martin rudalics <rudalics@gmx.at>
> Date: Sat, 19 Jun 2021 11:08:52 +0200
> 
>  > Thanks.  But what I'd like to have is not a way of burying the Help
>  > window, because I frequently need to consult it for quite some time.
>  > What I'd like to have is a way of using its buttons without going to
>  > that other window first.  For example, I'd love a command, bound to a
>  > key globally, that would display the source of the function in the
>  > same window as the Help window, then allow me to go back to the Help
>  > window.
> 
> The attached is an attempt to do that.  Buggy and the nomenclature is
> immature but I hope you get the idea.

Thanks, looks like a good start.