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Bug 1477010 - Treat plane-14 tag characters as cluster extenders when building textruns, so that emoji flag sequences behave as single units. r=m_kato

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This commit is contained in:
Jonathan Kew 2018-07-25 09:38:07 +01:00
parent d4ded20b52
commit c5cd6a1621
1 changed files with 2 additions and 1 deletions
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3
intl/unicharutil/util/nsUnicodeProperties.cpp
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@ -156,7 +156,8 @@ IsClusterExtender(uint32_t aCh, uint8_t aCategory)
return ((aCategory >= HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK &&
aCategory <= HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) ||
(aCh >= 0x200c && aCh <= 0x200d) || // ZWJ, ZWNJ
(aCh >= 0xff9e && aCh <= 0xff9f)); // katakana sound marks
(aCh >= 0xff9e && aCh <= 0xff9f) || // katakana sound marks
(aCh >= 0xe0020 && aCh <= 0xe007f)); // emoji (flag) tag characters
}
enum HSType {