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https://issues.apache.org/jira/browse/LUCENE-2121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786633#action_12786633
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Michael McCandless commented on LUCENE-2121:
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This looks good -- I'd say commit it (to flex)? Thanks Robert!
> add UnicodeUtil.nextValidUTF16String
> -------------------------------------
>
> Key: LUCENE-2121
> URL: https://issues.apache.org/jira/browse/LUCENE-2121
> Project: Lucene - Java
> Issue Type: Task
> Reporter: Robert Muir
> Fix For: Flex Branch
>
> Attachments: LUCENE-2121.patch, LUCENE-2121.patch
>
>
> In flex branch, TermRef must not contain unpaired surrogates, etc.
> But in trunk/previous releases, people could (and do) seek to these.
> Also some lucene multitermqueries will generate these invalid seek locations,
> even now (which we should separately fix)
> I think the common case is already handled with a hack in
> SegmentReader.LegacyTermEnum, but we should clean up this hack and handle all
> cases.
> I would also like to use this nextValidUTF16String in LUCENE-1606, and there
> might be other places it could be used for better bw compat.
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