GNU bug report logs - #14461
24.3.50; bad display for 'space' + (U+0336) unicode combination

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Package: emacs;

Reported by: Cédric Chépied <cedric.chepied <at> gmail.com>

Date: Fri, 24 May 2013 15:48:01 UTC

Severity: normal

Found in version 24.3.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #67 received at 14461-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: stephen.berman <at> gmx.net, handa <at> gnu.org
Cc: larsi <at> gnus.org, 14461-done <at> debbugs.gnu.org, cedric.chepied <at> gmail.com
Subject: Re: bug#14461: 24.3.50;
 bad display for 'space' + (U+0336) unicode combination
Date: Sat, 07 Sep 2019 12:21:21 +0300

> Date: Sat, 17 Aug 2019 15:00:18 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 14461 <at> debbugs.gnu.org, larsi <at> gnus.org, cedric.chepied <at> gmail.com
> 
> Actually , the Unicode Standard prescribes the opposite.  It says
> (paragraph 3.6):
> 
>   D50 Graphic character: A character with the General Category of
>       Letter (L), Combining Mark (M), Number (N), Punctuation (P),
>       Symbol (S), or Space Separator (Zs).
>   ...
>   D51 Base character: Any graphic character except for those with the
>       General Category of Combining Mark (M).
>        • Most Unicode characters are base characters. In terms of
> 	 General Category values, a base character is any code point
> 	 that has one of the following categories: Letter (L), Number
> 	 (N), Punctuation (P), Symbol (S), or Space Separator (Zs).
>   ...
>   D52 Combining character: A character with the General Category of
>       Combining Mark (M).
> 
> and (in 2.11)
> 
>       All combining characters can be applied to any base character and
>       can, in principle, be used with any script.
> 
> So I don't think we are right when we exclude space separators from
> base characters eligible for character composition, I think it's a
> mistake.  Perhaps Handa-san (CC'ed) could comment on why we do that.

No further comments, so I've installed changes to allow SPC and other
similar characters to be composed.

I'm therefore marking this bug done.
This bug report was last modified 5 years and 315 days ago.

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