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https://issues.apache.org/jira/browse/LUCENE-2055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12803286#action_12803286
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Robert Muir commented on LUCENE-2055:
-------------------------------------

i'd like to work on getting these bugs fixed, but I'm not sure the best way to 
proceed.

looking at the different possibilities i came up with two good options, 
although maybe there are other ways:

* option 1, deprecate and keep the old broken impls and apis, but depending on 
Version use the correct ones instead: api and index back compat, but we keep 
the buggy code and support it for at least some time.
* option 2, deprecate the old apis, but implement it in terms of the correct 
one: api back compat only, but we drop the buggy code so maintenance is easier


> Fix buggy stemmers and Remove duplicate analysis functionality
> --------------------------------------------------------------
>
>                 Key: LUCENE-2055
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2055
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/analyzers
>            Reporter: Robert Muir
>             Fix For: 3.1
>
>
> would like to remove stemmers in the following packages, and instead in their 
> analyzers use a SnowballStemFilter instead.
> * analyzers/fr
> * analyzers/nl
> * analyzers/ru
> below are excerpts from this code where they proudly proclaim they use the 
> snowball algorithm.
> I think we should delete all of this custom stemming code in favor of the 
> actual snowball package.
> {noformat}
> /**
>  * A stemmer for French words. 
>  * <p>
>  * The algorithm is based on the work of
>  * Dr Martin Porter on his snowball project<br>
>  * refer to http://snowball.sourceforge.net/french/stemmer.html<br>
>  * (French stemming algorithm) for details
>  * </p>
>  */
> public class FrenchStemmer {
> /**
>  * A stemmer for Dutch words. 
>  * <p>
>  * The algorithm is an implementation of
>  * the <a 
> href="http://snowball.tartarus.org/algorithms/dutch/stemmer.html";>dutch 
> stemming</a>
>  * algorithm in Martin Porter's snowball project.
>  * </p>
>  */
> public class DutchStemmer {
> /**
>  * Russian stemming algorithm implementation (see 
> http://snowball.sourceforge.net for detailed description).
>  */
> class RussianStemmer
> {noformat}

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