[jira] [Created] (LUCENE-5824) hunspell FLAG LONG implemented incorrectly

["Robert Muir (JIRA)" <ji...@apache.org>]

Robert Muir created LUCENE-5824:
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             Summary: hunspell FLAG LONG implemented incorrectly
                 Key: LUCENE-5824
                 URL: https://issues.apache.org/jira/browse/LUCENE-5824
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Robert Muir


If you have more than 256 flags, you run out of 8-bit characters, so you have to use another flag type to get 64k:
* UTF-8: 16-bit BMP flags
* long: two-character flags like 'AB'
* num: decimal numbers like '10234'

But our implementation for 'long' is wrong, it encodes as 'A+B', which means it cant distinguish between 'AB' and 'BA' and causes overgeneration.



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