GNU bug report logs - #40502
28.0.50; Hangul Jamo conjoining characters are not composed

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Package: emacs;

Reported by: Robert Pluim <rpluim <at> gmail.com>

Date: Wed, 8 Apr 2020 09:29:02 UTC

Severity: normal

Found in version 28.0.50

Fixed in version 28.1

Done: Robert Pluim <rpluim <at> gmail.com>

Bug is archived. No further changes may be made.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Robert Pluim <rpluim <at> gmail.com>
Subject: bug#40502: closed (Re: bug#40502: 28.0.50; Hangul Jamo conjoining
 characters are not composed)
Date: Wed, 08 Apr 2020 10:13:02 +0000

[Message part 1 (text/plain, inline)]
Your bug report

#40502: 28.0.50; Hangul Jamo conjoining characters are not composed

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 40502 <at> debbugs.gnu.org.

-- 
40502: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=40502
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]
From: Robert Pluim <rpluim <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 40502-done <at> debbugs.gnu.org
Subject: Re: bug#40502: 28.0.50; Hangul Jamo conjoining characters are not
 composed
Date: Wed, 08 Apr 2020 12:11:56 +0200

>>>>> On Wed, 08 Apr 2020 12:55:19 +0300, Eli Zaretskii <eliz <at> gnu.org> said:

    >> From: Robert Pluim <rpluim <at> gmail.com>
    >> Date: Wed, 08 Apr 2020 11:28:25 +0200
    >> 
    >> According to Unicode 13 Chapter 18.6, Hangul Jamo characters should be
    >> composed into the corresponding pre-composed Hangul characters. Iʼm
    >> not seeing this, e.g
    >> 
    >> 하 (U+1112 U+1161) should be displayed as 하 (U+D558), but is shown as
    >> two separate glyphs (all using Apple SD Gothic Neo)

    Eli> I hope I've just fixed that on the master branch, please take a look.

Yes, on both macOS and GNU/Linux, including the three character
variant (I tested with U+1112 U+1161 U+11AB).

    >> (set-char-table-range composition-function-table
    >> #x1112
    >> (list (vector "..")
    >> 0
    >> 'compose-gstring-for-graphic))
    >> 
    >> does not help.

    Eli> The call is incorrect: 'vector' should include both 0 and the function
    Eli> symbol.

Yes. I misread the docstring of composition-function-table rather than
copying the correct call I had sitting in a buffer already.

Closing.

Robert


[Message part 3 (message/rfc822, inline)]
From: Robert Pluim <rpluim <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Hangul Jamo conjoining characters are not composed
Date: Wed, 08 Apr 2020 11:28:25 +0200

According to Unicode 13 Chapter 18.6, Hangul Jamo characters should be
composed into the corresponding pre-composed Hangul characters. Iʼm
not seeing this, e.g

하 (U+1112 U+1161) should be displayed as 하 (U+D558), but is shown as
two separate glyphs (all using Apple SD Gothic Neo)

(set-char-table-range composition-function-table
                      #x1112
                      (list (vector "..")
                            0
                            'compose-gstring-for-graphic))

does not help.

This is:

In GNU Emacs 28.0.50 (build 127, x86_64-apple-darwin18.7.0, NS appkit-1671.60 Version 10.14.6 (Build 18G4032))
 of 2020-04-02 built on rpluim-mac

although I see the same in a Cairo+HarfBuzz build on GNU/Linux.
This bug report was last modified 5 years and 105 days ago.

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