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https://issues.apache.org/jira/browse/LUCENE-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-1702.
---------------------------------

    Fix Version/s: 3.1
                   4.0
       Resolution: Fixed

fixed in LUCENE-2167

> Thai token type() bug
> ---------------------
>
>                 Key: LUCENE-1702
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1702
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/analyzers
>            Reporter: Robert Muir
>            Priority: Minor
>             Fix For: 3.1, 4.0
>
>
> While adding tests for offsets & type to ThaiAnalyzer, i discovered it does 
> not type Thai numeric digits correctly.
> ThaiAnalyzer uses StandardTokenizer, and this is really an issue with the 
> grammar, which adds the entire [:Thai:] block to ALPHANUM.
> i propose that alphanum be described a little bit differently in the grammar.
> Instead, [:letter:] should be allowed to have diacritics/signs/combining 
> marks attached to it.
> this would allow the [:thai:] hack to be completely removed, would allow 
> StandardTokenizer to parse complex writing systems such as Indian languages, 
> and would fix LUCENE-1545.

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