Re: [PATCH] tab-line-alternate-colors

[Eli Zaretskii]

> From: Adam Porter <adam@alphapapa.net>
> Date: Sun, 13 Dec 2020 04:06:36 -0600
> 
> +(defface tab-line-tab-inactive-alternate
> +  (let ((mode-line-bg (face-background 'mode-line nil t)))
> +    `((t (:inherit tab-line-tab-inactive :background ,mode-line-bg))))

Is this supposed to change the background when that of the mode line
changes, or is it supposed to keep the original one, recorded when
this defface is processed?

More generally, why use such an unusual definition of a face?

> +(defface tab-line-tab-special '((t (:slant italic)))

What will this do on terminals that don''t support italic?