Lucene does not support Unicode Normalization Forms
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                 Key: LUCENE-2105
                 URL: https://issues.apache.org/jira/browse/LUCENE-2105
             Project: Lucene - Java
          Issue Type: Bug
          Components: Analysis
    Affects Versions: 3.0
            Reporter: Alexander Veit


Lucene should bring terms in their Unicode normalization form 
(http://unicode.org/reports/tr15/), probably NFKC.

E.g., currently words that contain ligatures such as "fi", "fl", "ff", or "ffl" 
cannot be found in certain documents (try to find "undefined" in 
http://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf). 


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