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https://issues.apache.org/jira/browse/LUCENE-8125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317274#comment-16317274
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Robert Muir commented on LUCENE-8125:
-------------------------------------
Note: I think it'd be nice to fix for standardtokenizer at some point too, but
we need to first bring its grammar up to the latest unicode i think? This way
it will have the latest uax#29 rules around this stuff such as "Do not break
within emoji zwj sequences." So some work to do for that, but we can tackle
here with ICU first.
> emoji sequence support in ICUTokenizer
> --------------------------------------
>
> Key: LUCENE-8125
> URL: https://issues.apache.org/jira/browse/LUCENE-8125
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Robert Muir
> Attachments: LUCENE-8125.patch
>
>
> uax29 word break rules already know how to handle these correctly, we just
> need to assign them a token type.
> This is better than users trying to do this with custom rules (e.g.
> LUCENE-7916) because they are script-independent (common/inherited).
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