Re: 22.2.50; Display of "zero width no-break space" (U+FEFF)

[Juri Linkov]

>>> This is the same character as BOM.  But since it is *ZERO-WIDTH*
>>> NO-BREAK SPACE, it seems it shouldn't be displayed at all in view mode.
>>> But it edit mode, it would be preferable to have some indication
>>> about the presence of this character in the buffer.
>
> If "view mode" is meant to be more general than the minor mode
> `view-mode', I agree.  E.g. in Gnus article buffer (a read-only buffer
> where articles are displayed), `nobreak-char-display' is set to nil
> whereas when composing or replying, Emacs' default is used.

We definitely should highlight ZERO-WIDTH NO-BREAK SPACE in
whitespace-mode, but for editing modes I'm not so sure.

-- 
Juri Linkov
http://www.jurta.org/emacs/