Re: [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it.

[Noam Postavsky]

On Sun, 18 Aug 2019 at 14:44, Alan Mackenzie <address@hidden> wrote:

> I don't think there's anything else in Emacs at the moment that could
> take its place.  The essence here is being able to insert "=>" onto the
> display _without_ disturbing the horizontal alignment, as needed by
> debuggers.  Maybe, in addition to before-strings and after-strings we
> need "overlay-strings" (with a better name than that), which would cover
> up the underlying text.  Or do we already have something like that?

I think the 'display' property would work for that.