bug#37774: 27.0.50; new :extend attribute broke visuals of all themes and other packages

[Dmitry Gutov]

On 27.11.2019 23:30, Juri Linkov wrote:
> > > > BTW, the diff-context needs ':extend t' as well.
> > > Feel free to make that change (although when did you last see a
> > > context diff?).
> >
> > It's not for context diffs, it's for context around the changes in unified
> > diffs as well. Notice the gray background on the screenshot.
>
> diff-context by default is just '((t nil))
> Where do you think to add ':extend t'?
> To empty face definition?

'((t (:extend t))), something like that?

Good point, though.

The theme I'm currently using has this for this face's definition:

  `(diff-context                   ((,class (:inherit highlight))))

(to inherit the color).

I'm not sure where it'll add the required attribute there. Or if.