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https://issues.apache.org/jira/browse/LUCENE-6874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15005563#comment-15005563
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ASF subversion and git services commented on LUCENE-6874:
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Commit 1714355 from [~thetaphi] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1714355 ]
Merged revision(s) 1714354 from lucene/dev/trunk:
LUCENE-6874: Add a new UnicodeWhitespaceTokenizer to analysis/common that uses
Unicode character properties extracted from ICU4J to tokenize text on whitespace
> WhitespaceTokenizer should tokenize on NBSP
> -------------------------------------------
>
> Key: LUCENE-6874
> URL: https://issues.apache.org/jira/browse/LUCENE-6874
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Reporter: David Smiley
> Assignee: Uwe Schindler
> Priority: Minor
> Attachments: LUCENE-6874-chartokenizer.patch,
> LUCENE-6874-chartokenizer.patch, LUCENE-6874-chartokenizer.patch,
> LUCENE-6874-jflex.patch, LUCENE-6874.patch, LUCENE_6874_jflex.patch,
> icu-datasucker.patch, unicode-ws-tokenizer.patch, unicode-ws-tokenizer.patch,
> unicode-ws-tokenizer.patch
>
>
> WhitespaceTokenizer uses [Character.isWhitespace
> |http://docs.oracle.com/javase/8/docs/api/java/lang/Character.html#isWhitespace-int-]
> to decide what is whitespace. Here's a pertinent excerpt:
> bq. It is a Unicode space character (SPACE_SEPARATOR, LINE_SEPARATOR, or
> PARAGRAPH_SEPARATOR) but is not also a non-breaking space ('\u00A0',
> '\u2007', '\u202F')
> Perhaps Character.isWhitespace should have been called
> isLineBreakableWhitespace?
> I think WhitespaceTokenizer should tokenize on this. I am aware it's easy to
> work around but why leave this trap in by default?
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