How to add this to GitUI?

[LordMoMA]

I followed the docs and it did not work.

[max-sixty]

Could you give an example of what you tried and the outputs you saw?

(not a maintainer, trying to help though)

[LordMoMA]

Thanks, want this highlight of diff, like diff-so-fancy

[max-sixty]

What do you mean that you followed the docs and it did not work?

[mitsuhiko]

I'm closing this as this does not seem actionable.