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https://issues.apache.org/jira/browse/LUCENE-5818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-5818.
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Resolution: Fixed
Fix Version/s: 4.10
5.0
> Fix hunspell zero-string overgeneration
> ---------------------------------------
>
> Key: LUCENE-5818
> URL: https://issues.apache.org/jira/browse/LUCENE-5818
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 5.0, 4.10
>
> Attachments: LUCENE-5818.patch
>
>
> Currently, its allowed to strip suffixes/prefixes all the way down to the
> empty string. But this is not really allowed, and creates overgeneration in
> some cases (especially where endings can be standalone ... typically these
> are stopwords so it causes a lot of damage).
> Example is czech 'už' which should just stem to itself, but today also stems
> to 'úžit' because it has a flag compatible with that.
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