elasticsearch/elasticsearch-analysis-icu — pull request #27 by johtani (2014-04-29 13:23:09+00:00)
Title: add ICUNormalizer2CharFilter

Included ICUNormalizer2Charfilter in Lucene 4.8.0.
Add CharFilterCactory.

Now, char_filter name is "icu_normalizer", however token_filter name is same name.
If it is difficult to understand, please let me know.