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https://issues.apache.org/jira/browse/LUCENE-6993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153306#comment-15153306
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Steve Rowe commented on LUCENE-6993:
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I think you're right, Mike, I don't see any default word break rule
modifications in that list between versions 6.3 and 8.0.
The test data is here:
http://www.unicode.org/Public/8.0.0/ucd/auxiliary/WordBreakTest.txt
Here's the full TODO item from LUCENE-5357 (after {{s/6.3/8.0/g}} and
{{s/6.1/6.3/g}}):
* Test the new scanners against the Unicode 8.0 word break test data
** -Update {{generateJavaUnicodeWordBreakTest.pl}} to handle above-BMP
characters in the Unicode character database's
{{ucd/auxiliary/WordBreakTest.txt}} (previous Unicode versions included only
BMP characters in that file).- (one time operation, already done.)
** Using {{generateJavaUnicodeWordBreakTest.pl}}, generate
{{WordBreakTestUnicode_8_0_0.java}} under
{{modules/analysis/common/src/test/org/apache/lucene/analysis/core/}}.
** Update {{TestStandardAnalyzer.java}} and {{TestUAX29URLEmailTokenizer.java}}
to invoke {{WordBreakTestUnicode_8_0_0}} rather than
{{WordBreakTestUnicode_6_3_0}}.
** Remove {{WordBreakTestUnicode_6_3_0.java}}.
> Update UAX29URLEmailTokenizer TLDs to latest list, and upgrade all
> JFlex-based tokenizers to support Unicode 8.0
> ----------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-6993
> URL: https://issues.apache.org/jira/browse/LUCENE-6993
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Reporter: Mike Drob
> Assignee: Robert Muir
> Fix For: 6.0
>
> Attachments: LUCENE-6993.patch, LUCENE-6993.patch, LUCENE-6993.patch,
> LUCENE-6993.patch
>
>
> We did this once before in LUCENE-5357, but it might be time to update the
> list of TLDs again. Comparing our old list with a new list indicates 800+ new
> domains, so it would be nice to include them.
> Also the JFlex tokenizer grammars should be upgraded to support Unicode 8.0.
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