Add option to ReverseStringFilter to mark reversed tokens
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Key: LUCENE-1813
URL: https://issues.apache.org/jira/browse/LUCENE-1813
Project: Lucene - Java
Issue Type: Improvement
Components: contrib/analyzers
Affects Versions: 2.9
Reporter: Andrzej Bialecki
Attachments: reverseMark.patch
This patch implements additional functionality in the filter to "mark" reversed
tokens with a special marker character (Unicode 0001). This is useful when
indexing both straight and reversed tokens (e.g. to implement efficient leading
wildcards search).
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