在 2019年12月24日 +0800 PM11:50，Eli Zaretskii <eliz@gnu.org>，写道：
> Note how in the video you produced, moving cursor across the
> right-most part of the line after C-e shows characters from the end of
> the line. IOW, Emacs does know it is at EOL, it's just that the
> window display somehow was not updated.
>
> I think this is Darwin-specific display problem.

Yes. I just tried on linux. It is ok on linux.