Support of Unicode Collation
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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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