Line Break Rules Update for latest changes from UTC for Unicode 11.

Description

The UAX 14 line break rule LB8a was revised by the UTC for Unicode 11. The ICU rules need to be updated to match.

https://www.unicode.org/L2/L2018/18115.htm-A112

This relates to the handling of Emoji ZWJ sequences. ICU was using a modified LB8a; with this change we should be able to use the standard rule from UAX 14.

Assignee

Andy Heninger

Reporter

Andy Heninger

Components

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Reviewer

None

Priority

major

Time Needed

None

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