bug#53629: 27.1: add option to change face `mode-line-buffer-id` when mode-line is inactive

[Lars Ingebrigtsen]

José Júnior <jjnilton@gmail.com> writes:

> Yes, it's exactly that. If I want to set a different background color
> for the `mode-line-buffer-id` when the buffer is inactive, I can't do
> it with the faces options of the `mode-line` group.

Can't you achieve that by redefining `mode-line-buffer-id' to inherit
from mode-line-inactive with the proper shadowings?

If that's not sufficient, you can alter
`mode-line-buffer-identification' to return whatever you wish, so I
don't think another face here is necessary.

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