在 2019年12月26日 +0800 PM8:59，Alan Third <alan@idiocy.org>，写道：
>
> The issue seems to rely on the combination of truncate lines mode,
> global hl mode and tabs on the left. The number of tabs seems to make
> no difference, the offset remains the same, and replacing tabs with
> spaces displays correctly.
>
It seems that it happens when the leftmost tab char stays across the left border.