bug#68929: [PATCH] Copy which-key from GNU ELPA into core

[Jeremy Bryant]

> Eli Zaretskii <eliz@gnu.org> writes:
>
>> Will the section be very long?  How long?
>>
>> If it's not very long, I think the right place is in "Key Help",
>> perhaps as a separate subsection below it.  Also, I think which-key
>> should be briefly mentioned in "Display Custom", where echo-keystrokes
>> is described.
>>
>> If the section about which-key you envision is supposed to be long and
>> detailed, perhaps it would be better to have a separate manual with
>> all that stuff, whereas the Emacs user manual should have only a short
>> description of the main features, and a cross-reference to the
>> separate manual.
>
> I would propose to make a new section short enough to belong in the main
> Emacs manual, as which-key's "keymay discovery" perspective should be
> easier to find.
>
> I can volunteer to write a draft and confer with Justin, the actual
> author, for completeness.

Attached are a proposed patch for the Emacs manual, intentionally very
short.
Feedback welcome on any aspects.

0002-Add-manual-entries-for-which-key.patch
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