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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2094) Prepare CharArraySet for Unicode 4.0
Date Mon, 30 Nov 2009 20:22:20 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12783834#action_12783834
] 

Uwe Schindler commented on LUCENE-2094:
---------------------------------------

No they did not break. If you use Version.LUCENE_24 in the ctor of StandardAnalyzer it behaves
like in 2.4. Because of that we have Version! We preserver BW comp by *requiring* a matchVersion
parameter to *all* ctors of Analyzers.

In 2.9 the deprecated non-version ctors default to version 2.4 (from 3.0 on you *have to*
specify the version)

If you use always Version.LUCENE_CURRENT then you have to reindex after each version upgrade.

> Prepare CharArraySet for Unicode 4.0
> ------------------------------------
>
>                 Key: LUCENE-2094
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2094
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Analysis
>    Affects Versions: 1.9, 2.0.0, 2.1, 2.2, 2.3, 2.3.1, 2.3.2, 2.3.3, 2.4, 2.4.1, 2.4.2,
2.9, 2.9.1, 2.9.2, 3.0, 3.0.1, 3.1
>            Reporter: Simon Willnauer
>            Assignee: Uwe Schindler
>             Fix For: 3.1
>
>         Attachments: LUCENE-2094.patch, LUCENE-2094.patch, LUCENE-2094.patch, LUCENE-2094.patch,
LUCENE-2094.patch, LUCENE-2094.txt, LUCENE-2094.txt, LUCENE-2094.txt
>
>
> CharArraySet does lowercaseing if created with the correspondent flag. This causes that
 String / char[] with uncode 4 chars which are in the set can not be retrieved in "ignorecase"
mode.

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