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https://issues.apache.org/jira/browse/LUCENE-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916764#action_12916764
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Chris Male commented on LUCENE-2507:
------------------------------------

That is a very good idea yes, but I don't think its necessary to do that before 
this is committed.   We can do that afterwards, get an idea of where the 
spellcheckers are, and improve them through other issues if needs be.

> automaton spellchecker
> ----------------------
>
>                 Key: LUCENE-2507
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2507
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/spellchecker
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2507.patch, LUCENE-2507.patch, LUCENE-2507.patch, 
> LUCENE-2507.patch
>
>
> The current spellchecker makes an n-gram index of your terms, and queries 
> this for spellchecking.
> The terms that come back from the n-gram query are then re-ranked by an 
> algorithm such as Levenshtein.
> Alternatively, we could just do a levenshtein query directly against the 
> index, then we wouldn't need
> a separate index to rebuild.

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