Re: Changes for emacs 28

[Juri Linkov]

> Another advice from the same category is that the brightness and contrast
> levels of your screen should match the rest of the room, and more
> specifically, the room (or wall) behind the screen. So dark themes have
> their uses, of course (for reading in the dark: on the phone in the evening
> outside; on the airplane; etc). But I'm quite sure defaulting to a light
> theme for general work is still better for most people.

+1  Also it's recommended to use a blue light filter to avoid suppression of
Melatonin production.  For example, http://jonls.dk/redshift/ pre-installed
on Mint adjusts the color temperature depending on the time of the day.