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https://issues.apache.org/jira/browse/LUCENE-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12783924#action_12783924
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Robert Muir commented on LUCENE-2094:
-------------------------------------
bq. But if the PhraseQuery is generated with QueryParser also preserving holes,
then it works properly?
what is "properly" ?
If I search on english for "book for sale", it will match "books for sale"
this is considered ok for english.
If I am using persian analyzer, such a thing will not work, because the plural
form of book (کتاب) is formed by adding an additional word afterwards (کتاب ها).
So the way plural forms get "stemmed" to their singular form in persian is
implemented with stopwords (ها is in the list). I think this is a clean simple
approach, which is why I did it this way.
For english, its attached to the word with an s... should we bump the posinc
gap after stemmed words in english too?
So you see, I think its dependent upon language and how you want the
application to work.
> Prepare CharArraySet for Unicode 4.0
> ------------------------------------
>
> Key: LUCENE-2094
> URL: https://issues.apache.org/jira/browse/LUCENE-2094
> Project: Lucene - Java
> Issue Type: Bug
> Components: Analysis
> Affects Versions: 3.0
> Reporter: Simon Willnauer
> Assignee: Uwe Schindler
> Fix For: 3.1
>
> Attachments: LUCENE-2094.patch, LUCENE-2094.patch, LUCENE-2094.patch,
> LUCENE-2094.patch, LUCENE-2094.patch, LUCENE-2094.patch, LUCENE-2094.txt,
> LUCENE-2094.txt, LUCENE-2094.txt
>
>
> CharArraySet does lowercaseing if created with the correspondent flag. This
> causes that String / char[] with uncode 4 chars which are in the set can not
> be retrieved in "ignorecase" mode.
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