Re: ucs-normalize and diacritics

[Eli Zaretskii <eliz@gnu.org>]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: emacs-devel@gnu.org
> Date: Thu, 26 Jul 2018 10:40:45 +0200
> 
> How about something like:
> 
>   As a special case, if the character lies in the range #x3fff80
> through #x3fff9a (128 through 159 decimal, with prefix #x3fff), it
> stands for a raw byte that does not correspond to any specific
> displayable character.  Such a character lies within the
> @code{eight-bit-control} character set, and is displayed as an escaped
> octal character code (0200 through 0237), or as an escaped hex
> character code (x80 through x9a) if @code{display-raw-bytes-as-hex} is
> non-@code{nil}.

Thanks, but the original text was wrong in more than one sense, and
needed a more thorough fix.  I pushed a fix, please see if the new
text is clear and accurate.

> Iʼm not sure the 'eight-bit-control' part is true, given the reference
> to 'tis620-2533' in the what-cursor-position output.

Nowadays we have a single character set 'eight-bit' that covers the
whole range #80 to #ff; the old partial charsets eight-bit-control and
eight-bit-graphic should not be mentioned in the user documentation.