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https://issues.apache.org/jira/browse/LUCENE-5437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14000279#comment-14000279
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Ahmet Arslan commented on LUCENE-5437:
--------------------------------------
How about this change in {{ASCIIFoldingFilterFactory}}?. Aways return
preserveOriginal=false in getMultiTermComponent so we don't get exceptions.
{code:java}
@Override
public AbstractAnalysisFactory getMultiTermComponent() {
if (preserveOriginal) {
Map<String, String> args = new HashMap<>(1);
args.put("preserveOriginal", "false");
return new ASCIIFoldingFilterFactory(args);
} else
return this;
}
{code}
> ASCIIFoldingFilter that emits both unfolded and folded tokens
> -------------------------------------------------------------
>
> Key: LUCENE-5437
> URL: https://issues.apache.org/jira/browse/LUCENE-5437
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 4.7, 5.0
> Reporter: Nik Everett
> Assignee: Simon Willnauer
> Priority: Minor
> Fix For: 4.7, 5.0
>
> Attachments: LUCENE-5437.patch
>
>
> I've found myself wanting an ASCIIFoldingFilter that emits both the folded
> tokens and the original, unfolded tokens.
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