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https://issues.apache.org/jira/browse/LUCENE-3888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238397#comment-13238397
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Robert Muir commented on LUCENE-3888:
-------------------------------------

Thanks for the feedback Koji.

I'm not happy with the situation: I thought it would be easy to support
some rough Japanese spellcheck in 3.6 

But it just seems like we need to do a lot of cleanup to make it work,
I would rather fix all of these APIs and do it right the first time so
that things like distributed support work too.

                
> split off the spell check word and surface form in spell check dictionary
> -------------------------------------------------------------------------
>
>                 Key: LUCENE-3888
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3888
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: modules/spellchecker
>            Reporter: Koji Sekiguchi
>            Assignee: Koji Sekiguchi
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: LUCENE-3888.patch, LUCENE-3888.patch, LUCENE-3888.patch, 
> LUCENE-3888.patch, LUCENE-3888.patch, LUCENE-3888.patch
>
>
> The "did you mean?" feature by using Lucene's spell checker cannot work well 
> for Japanese environment unfortunately and is the longstanding problem, 
> because the logic needs comparatively long text to check spells, but for some 
> languages (e.g. Japanese), most words are too short to use the spell checker.
> I think, for at least Japanese, the things can be improved if we split off 
> the spell check word and surface form in the spell check dictionary. Then we 
> can use ReadingAttribute for spell checking but CharTermAttribute for 
> suggesting, for example.

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