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https://issues.apache.org/jira/browse/LUCENE-1689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12737740#action_12737740
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Robert Muir commented on LUCENE-1689:
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michael yes thats what I had in mind.
like you mentioned, the non-final CharTokenizer-based things (Whitespace,
Letter) are a problem.
The easiest way (it looks) is to put the reflection inside the non-final
CharTokenizers: Whitespace and Letter.
I want them to work correctly if you have not subclassed them, but if you have,
it should call your char based method (which wont work for supp characters, but
it didnt before)!
thoughts?
> supplementary character handling
> --------------------------------
>
> Key: LUCENE-1689
> URL: https://issues.apache.org/jira/browse/LUCENE-1689
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Robert Muir
> Priority: Minor
> Fix For: 3.1
>
> Attachments: LUCENE-1689_lowercase_example.txt,
> testCurrentBehavior.txt
>
>
> for Java 5. Java 5 is based on unicode 4, which means variable-width encoding.
> supplementary character support should be fixed for code that works with
> char/char[]
> For example:
> StandardAnalyzer, SimpleAnalyzer, StopAnalyzer, etc should at least be
> changed so they don't actually remove suppl characters, or modified to look
> for surrogates and behave correctly.
> LowercaseFilter should be modified to lowercase suppl. characters correctly.
> CharTokenizer should either be deprecated or changed so that isTokenChar()
> and normalize() use int.
> in all of these cases code should remain optimized for the BMP case, and
> suppl characters should be the exception, but still work.
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