[jira] Resolved: (LUCENE-1215) Support of Unicode Collation

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-1215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-1215.
---------------------------------

    Resolution: Duplicate

I am marking this resolved as a duplicate of LUCENE-2399.

The new ICU Normalizer2 offers high performance, and flexibility (you can integrate custom mappings, etc).

> Support of Unicode Collation
> ----------------------------
>
>                 Key: LUCENE-1215
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1215
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Analysis
>            Reporter: Hiroaki Kawai
>         Attachments: NormalizerTokenFilter.java
>
>
> New in java 6, we have java.text.Normalizer that supports Unicode Standard Annex #15 normalization.
> http://java.sun.com/javase/6/docs/api/java/text/Normalizer.html
> http://www.unicode.org/unicode/reports/tr15/
> The normalization defined has four variants of C, D, KC, KD. Canonical Decomposition or Compatibility Decomposition will be normalize the representation of a String, and the search result will be improved.
> I'd like to submit a TokenFilter code supporting this feature! :-)

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