Re: Strange whitespaces.

[Hongyi Zhao]

On Thu, Sep 30, 2021 at 6:08 PM Emanuel Berg via Users list for the
GNU Emacs text editor <help-gnu-emacs@gnu.org> wrote:
>
> Hongyi Zhao wrote:
>
> >   name: NO-BREAK SPACE
> >   old-name: NON-BREAKING SPACE
>
> This is to prevent an auto line break.
> <https://en.wikipedia.org/wiki/Non-breaking_space>
>
> >   name: EN SPACE
>
> "A space which has a nominal width of 1 en".
> <https://en.wiktionary.org/wiki/en_space>

Why are both displayed as red underscores in Emacs?

HZ