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https://issues.apache.org/jira/browse/LUCENE-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler closed LUCENE-1787.
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Resolution: Won't Fix
The old StandardTokenizer behaviour was deprecated in Lucene 3.1 and replaced
by a new one doing [Unicode Standard Annex
#29|http://unicode.org/reports/tr29/] segmentation. The deprecated code will
not get any fixes anymore.
> Standard Tokenizer doesn't recognise I.B.M as Acronym, it requires it ends
> with a dot i.e I.B.M.
> ------------------------------------------------------------------------------------------------
>
> Key: LUCENE-1787
> URL: https://issues.apache.org/jira/browse/LUCENE-1787
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/analyzers
> Affects Versions: 2.9
> Reporter: Paul taylor
> Attachments: LUCENE-1787.patch
>
>
> Standard Tokenzizer doesn't recognise I.B.M it requires it end with a dot i.e
> I.B.M. This is particulary problematic if I.B.M is added tot the index, with
> the StandardAnalyser it will get added as IBM , a search for I.B.M will not
> match because I.B.M will be left as is, I would expect a match in this
> scenario
> I think it could be fixed by modifying the grammar ACRONYM_DEP in
> StandardTokenizerImpl.jflex so that it also supports
> {ALPHANUM} ("." {ALPHANUM})+
> dot only required between each character, (I'm not familiar with jflex syntax
> )
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