split off the spell check word and surface form in spell check dictionary
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Key: LUCENE-3888
URL: https://issues.apache.org/jira/browse/LUCENE-3888
Project: Lucene - Java
Issue Type: Improvement
Components: modules/spellchecker
Reporter: Koji Sekiguchi
Priority: Minor
Fix For: 3.6, 4.0
The "did you mean?" feature by using Lucene's spell checker cannot work well
for Japanese environment unfortunately and is the longstanding problem, because
the logic needs comparatively long text to check spells, but for some languages
(e.g. Japanese), most words are too short to use the spell checker.
I think, for at least Japanese, the things can be improved if we split off the
spell check word and surface form in the spell check dictionary. Then we can
use ReadingAttribute for spell checking but CharTermAttribute for suggesting,
for example.
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