Re: modeline face under a tty

[Alex Schroeder]

> I think we need to have a clear understanding of the desired
> behavior before we talk about implementation.  So I suggest that we
> define what would the result need to be for all the possible
> combinations of specified and unspecified colors, both back- and
> foreground, both for the default face and the mode-line face.

I don't know what unspecified-fg and unspecified-bg actually mean or
do; I still hope that the following reflects what users would expect.

A face without foreground and background color should look like the
default face.

A face without foreground and background color and specified as
inverse-video should use the default foreground as background and the
default background as foreground.

A face with foreground "red" and no background color should look use
"red" foreground and the same background as the default face.

A face with foreground "red" and no background color and specified as
inverse-video should look use "red" foreground and the same background
as the default face if colors are available.  If no colors are
available, it should use the default foreground as background and the
default background as foreground.

A face with foreground "red" and background "blue" should look use
"red" foreground and "blue" background.

A face with foreground "red" and background "blue" and specified as
inverse-video should look use "red" foreground and "blue" background
if colors are available.  If no colors are available, it should use
the default foreground as background and the default background as
foreground.

Alex.
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