Ryan McKinley created LUCENE-5369:
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             Summary: Add an UpperCaseFilter
                 Key: LUCENE-5369
                 URL: https://issues.apache.org/jira/browse/LUCENE-5369
             Project: Lucene - Core
          Issue Type: New Feature
            Reporter: Ryan McKinley
            Assignee: Ryan McKinley
            Priority: Minor


We should offer a standard way to force upper-case tokens.  I understand that 
lowercase is safer for general search quality because some uppercase characters 
can represent multiple lowercase ones.

However, having upper-case tokens is often nice for faceting (consider 
normalizing to standard acronyms)





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