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.

Full log

Message #3 received at submit <at> debbugs.gnu.org (full text, mbox):

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 45 days ago.

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