[Webkit-unassigned] [Bug 168198] New: Update isEmojiGroupCandidate() to the latest version of Unicode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=168198

            Bug ID: 168198
           Summary: Update isEmojiGroupCandidate() to the latest version
                    of Unicode
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mmaxfield at apple.com
                CC: mmaxfield at apple.com

In the latest version of Unicode, many more emoji are allowed to join. Instead of checking each individual range, we should just check to see if the character is:

U+2640 FEMALE SIGN
U+2642 MALE SIGN
U+26F9 PERSON WITH BALL
U+2695 STAFF OF AESCULAPIUS
U+2696 SCALES
U+2708 AIRPLANE
U+2764 HEAVY BLACK HEART
The Unicode block is UBLOCK_MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS
The Unicode block is UBLOCK_EMOTICONS
The Unicode block is UBLOCK_TRANSPORT_AND_MAP_SYMBOLS
The Unicode block is UBLOCK_SUPPLEMENTAL_SYMBOLS_AND_PICTOGRAPHS

Alternatively, instead of checking individual code points at all, we may wish to simply check if the block is UBLOCK_MISCELLANEOUS_SYMBOLS or UBLOCK_DINGBATS

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