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https://issues.apache.org/jira/browse/LUCENE-2067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777961#action_12777961
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Robert Muir commented on LUCENE-2067:
-------------------------------------

Simon, in this case the analyzer exists, this just adds a TokenFilter to it :)

but I agree, we should use StopawareAnalyzer for both CzechAnalyzer here, and 
LUCENE-2062 also.


> Czech Stemmer
> -------------
>
>                 Key: LUCENE-2067
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2067
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/analyzers
>            Reporter: Robert Muir
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: LUCENE-2067.patch
>
>
> Currently, the CzechAnalyzer is merely stopwords, and there isn't a czech 
> stemmer in snowball.
> This patch implements the light stemming algorithm described in: 
> http://portal.acm.org/citation.cfm?id=1598600
> In their measurements, it improves MAP 42%
> The analyzer does not use this stemmer if LUCENE_VERSION <= 3.0, for back 
> compat.

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