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Merge branch '2564-zerowidth-jungseong' into 'main'

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guniprop: Set jungseong and jongseong points to zero-width for Old Korean

Closes #2564

See merge request GNOME/glib!2418
This commit is contained in:
Philip Withnall 2022-01-19 11:20:35 +00:00
commit 8ec5dca0fe
2 changed files with 13 additions and 1 deletions
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9
glib/guniprop.c
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@ -421,8 +421,15 @@ g_unichar_iszerowidth (gunichar c)
if (G_UNLIKELY (ISZEROWIDTHTYPE (TYPE (c))))
return TRUE;
/* A few additional codepoints are zero-width:
* - Part of the Hangul Jamo block covering medial/vowels/jungseong and
* final/trailing_consonants/jongseong Jamo
* - Jungseong and jongseong for Old Korean
* - Zero-width space (U+200B)
*/
if (G_UNLIKELY ((c >= 0x1160 && c < 0x1200) ||
c == 0x200B))
(c >= 0xD7B0 && c < 0xD800) ||
c == 0x200B))
return TRUE;
return FALSE;

5
glib/tests/unicode.c
View File

@ -909,6 +909,11 @@ test_zerowidth (void)
g_assert_false (g_unichar_iszerowidth (G_UNICODE_LAST_CHAR + 1));
g_assert_false (g_unichar_iszerowidth (G_UNICODE_LAST_CHAR_PART1));
g_assert_false (g_unichar_iszerowidth (G_UNICODE_LAST_CHAR_PART1 + 1));
/* Hangul Jamo Extended-B block, containing jungseong and jongseong for
* Old Korean */
g_assert_true (g_unichar_iszerowidth (0xD7B0));
g_assert_true (g_unichar_iszerowidth (0xD7FB));
}
/* Test that g_unichar_istitle() returns the correct value for various