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

[Robert Pluim]

>>>>> On Fri, 26 Nov 2021 13:13:28 +0200, Eli Zaretskii <eliz@gnu.org> said:

    >> 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'?

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

Itʼs checked to see if help-link-key-to-documentation should be used
(not set).

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

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

Right. So Help commands should bind it as necessary.

Robert
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