Re: Line height issues with display-line-number-mode

[Eli Zaretskii]

> From: Noam Postavsky <address@hidden>
> Date: Wed, 8 May 2019 14:39:42 -0400
> Cc: Eli Zaretskii <address@hidden>, Emacs developers <address@hidden>
> 
> > That align-to computation looks brittle (and still incorrect, I think)
> > and it hardcodes into the text-property a value which can change later
> > (window-hscroll), so it's rather problematic.
> 
> Yes, in magit this is recomputed from
> redisplay-highlight-region-function, which keeps the value up to date,
> but has it's own problems (e.g., inf looping in redisplay Bug#24633,
> this is what `min' works around). I guess for *Help* buffers there's
> not much use in hscrolling, so using just '(space :align-to right)
> would be fine.

Maybe we should simply add a feature that would allow display of a
thin line across the window.  Then all of the problems we discussed
will just go away.