bug#56011: 29.0.50; hl-line-mode not showing on bottom line after RET

[Jean Louis]

* Eli Zaretskii <eliz@gnu.org> [2022-06-16 08:45]:
> > From: Jean Louis <bugs@gnu.support>
> > Date: Thu, 16 Jun 2022 07:40:49 +0300
> > 
> > When I turn on hl-line-mode and press RET while being on the bottom line
> > in empty line, by pressing further RET I cannot see highlighted line
> > which is expected to be seen. If I go back line up, the highlighted line
> > will appear. Again if I go with C-n down to bottom empty line and keep
> > pressing RET, I do not see highlighted line which is expected to be seen.
> 
> There's no line at EOB in this case.  It's an illusion, created by the
> fact that we display the cursor there.  If you type "C-x =", you will
> see that point is beyond the last character of the file in that case,
> which is the preceding newline.  So there's nothing to highlight.
> 
> This is not a bug.  We could mention this in the doc string if it will
> help, but I think that otherwise we should close this bug.

I understand it now.