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https://issues.apache.org/jira/browse/LUCENE-4072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283977#comment-13283977
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Ippei UKAI edited comment on LUCENE-4072 at 5/26/12 1:25 PM:
-------------------------------------------------------------
I've found a problem:
In ICUNormalizer2CharFilter#recordOffsetDiff(int,int), the positive diff case
should look like following.
<pre>
addOffCorrectMap(charCount + Math.min(1, outputLength), cumuDiff + diff);
</pre>
Hopefully, there won't be more.
I do grant license to ASF to include the above line in ASF works (as per the
Apache License ยง5)
was (Author: ippei):
I've found a problem:
In ICUNormalizer2CharFilter#recordOffsetDiff(int,int), the positive diff case
should look like following.
<pre>
addOffCorrectMap(charCount + Math.min(1, outputLength), cumuDiff + diff);
</pre>
Maybe there are more...
> CharFilter that Unicode-normalizes input
> ----------------------------------------
>
> Key: LUCENE-4072
> URL: https://issues.apache.org/jira/browse/LUCENE-4072
> Project: Lucene - Java
> Issue Type: New Feature
> Components: modules/analysis
> Reporter: Ippei UKAI
> Attachments: DebugCode.txt, LUCENE-4072.patch,
> ippeiukai-ICUNormalizer2CharFilter-4752cad.zip
>
>
> I'd like to contribute a CharFilter that Unicode-normalizes input with ICU4J.
> The benefit of having this process as CharFilter is that tokenizer can work
> on normalised text while offset-correction ensuring fast vector highlighter
> and other offset-dependent features do not break.
> The implementation is available at following repository:
> https://github.com/ippeiukai/ICUNormalizer2CharFilter
> Unfortunately this is my unpaid side-project and cannot spend much time to
> merge my work to Lucene to make appropriate patch. I'd appreciate it if
> anyone could give it a go. I'm happy to relicense it to whatever that meets
> your needs.
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