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From "Erik Hatcher (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-4500) Loosen up DirectSpellChecker's minPrefix requirements
Date Mon, 22 Oct 2012 19:48:11 GMT
Erik Hatcher created LUCENE-4500:
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             Summary: Loosen up DirectSpellChecker's minPrefix requirements
                 Key: LUCENE-4500
                 URL: https://issues.apache.org/jira/browse/LUCENE-4500
             Project: Lucene - Core
          Issue Type: Improvement
    Affects Versions: 4.0
            Reporter: Erik Hatcher
            Priority: Minor


DirectSpellChecker currently mandates a minPrefix of 1 when editDistance=2.  This prohibits
a query of "nusglasses" from matching the indexed "sunglasses" term.

Granted, there can be performance issues with using a minPrefix of 0, but it's a risk that
a user should be allowed to take if needed.

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