bug#50804: Command substitutions for keys without keymaps

[Lars Ingebrigtsen]

Stefan Kangas <stefan@marxist.se> writes:

> It would be nice if we could have some way of putting a face on such key
> bindings, without having to fiddle with propertize.  For example:
>
>     (message (substitute-command-keys
>               (concat "\\[[C-h]] or \\[[?]] for more options;
> \\[[SPC]] to leave "
>                       "unchanged, Character to replace word"))))

Makes sense to me.

> I'm not sure about the notation.  Perhaps "\\[[...]]" is okay, or
> perhaps we want some other delimiter.

What about...  \\`C-h'

Hm.  Possibly too confusing.

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