bug#50727: Contradictory conventions with new command kbd-macro-display

[Marco Wahl]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Stefan Kangas <stefan@marxist.se>
>> Date: Tue, 21 Sep 2021 16:22:26 -0700
>> Cc: larsi@gnus.org, marcowahlsoft@gmail.com
>>
>>     The key sequences [C-x C-k 0] through [C-x C-k 9] and [C-x C-k A]
>>     through [C-x C-k Z] are reserved for user bindings, and to bind to
>>     one of these sequences, just enter the digit or letter, rather than
>>     the whole sequence.
>
> Regardless of the main issue here, why does this doc string use this
> strange notation for key sequences?  What is the meaning of the
> brackets here, and why don't we use `..' as usual?

Of course I don't know but I guess the reason for that notation has been
just a lack of knowledge about the usual notation style.