bug#52053: 29.0.50; Nonsensical button "C-x C-f" in scratch buffer

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: Gregory Heytings <gregory@heytings.org>,  luangruo@yahoo.com,
>   larsi@gnus.org,  52053@debbugs.gnu.org
> Date: Fri, 26 Nov 2021 10:24:22 +0100
> 
>     Eli> Thanks.  This approach is fine by me, but the variable you introduced
>     Eli> should not be internal, and it probably should be called out in NEWS
>     Eli> (in the Lisp section), because I believe the intent was to allow 
> other
>     Eli> callers to use it, even though currently we have only one such 
> caller.
> 
> So a variable that code can set to say 'use this other variable'?

Maybe I'm missing something, but where did you see that this new
variable is used to set help-link-key-to-documentation?

> Again, why not just bind `help-link-key-to-documentation' directly?

Presumably, because help-link-key-to-documentation is a user option,
and an option which is specific to Help commands?