bug#34952: files with/out final newline look the same no matter what

[Eli Zaretskii]

> From: 積丹尼 Dan Jacobson
>       <jidanni@jidanni.org>
> Date: Sat, 23 Mar 2019 13:08:06 +0800
> 
> indicate-empty-lines is great, but still doesn't show the user the difference 
> between
> $ echo    abcd > fileA
> $ echo -n abcd > fileB
> $ emacs file*
> Therefore some new variable is needed.
> No I'm not talking about writing files, I'm just talking about how they
> look when opened.

You want a visual indication of a newline?  Then turn on
whitespace-mode, it does that.