Re: Strange whitespaces.

[Emanuel Berg]

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?

Maybe there is no better way to display them in your setup?

As for the red color, use this

(defun what-face (pos)
  (interactive "d")
  (let ((face (or (get-char-property pos 'face)
                  (get-char-property pos 'read-cf-name) )))
    (message (format "%s" (or face "no face!"))) ))

What does it say?

PS. Suggestion: add that to vanilla Emacs if it isn't there!
  
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