Re: Red background color when editing a file as root (using TRAMP)

[bojohan+news@dd.chalmers.se (Johan Bockgård)]

Andreas Politz <politza@fh-trier.de> writes:

> Kevin Rodgers wrote:
>> Nordlöw wrote:
>>> How do I buffer-locally set the background color?
>>
>> You can't: background color is a frame parameter, so it can be set
>> local to each frame but not each buffer.
>>
>
> You can fake it with an overlay. But this works only on the non-empty
> parts of a buffer.
>
> (let ((ov (make-overlay (point-min) (point-max) (current-buffer) nil t)))
>   (overlay-put ov 'face '(:background "red")))

In Emacs 23 you can use

    (set (make-local-variable 'face-remapping-alist)
         '((default (:background "red"))))

(which has the same limitation).