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Uwe Schindler commented on LUCENE-2102: --------------------------------------- if I replace this code from Ahmet's test {code} public class TestTurkishLowerCaseFilter extends BaseTokenStreamTestCase { public void testTurkishLowerCaseFilter() throws Exception { TokenStream stream = new WhitespaceTokenizer( new StringReader("\u0130STANBUL \u0130ZM\u0130R ISPARTA")); TurkishLowerCaseFilter filter = new TurkishLowerCaseFilter(Version.LUCENE_30, stream); assertTokenStreamContents(filter, new String[] {"istanbul", "izmir", "\u0131sparta",}); } } {code} by that, there is not even a new class or anything needed: {code} public class TestTurkishLowerCaseFilter extends BaseTokenStreamTestCase { static final NormalizeCharMap map = new NormalizeCharMap(); static { map.add("\u0049", "0x0131"); } public void testTurkishLowerCaseFilter() throws Exception { TokenStream stream = new WhitespaceTokenizer( new MappingCharFilter(map, new StringReader("\u0130STANBUL \u0130ZM\u0130R ISPARTA"))); TurkishLowerCaseFilter filter = new LowerCaseFilter(Version.LUCENE_30, stream); assertTokenStreamContents(filter, new String[] {"istanbul", "izmir", "\u0131sparta",}); } } {code} It just works. > LowerCaseFilter for Turkish language > ------------------------------------ > > Key: LUCENE-2102 > URL: https://issues.apache.org/jira/browse/LUCENE-2102 > Project: Lucene - Java > Issue Type: Improvement > Components: Analysis > Affects Versions: 3.0 > Reporter: Ahmet Arslan > Assignee: Robert Muir > Priority: Minor > Fix For: 3.1 > > Attachments: LUCENE-2102.patch, LUCENE-2102.patch, LUCENE-2102.patch > > > java.lang.Character.toLowerCase() converts 'I' to 'i' however in Turkish > alphabet lowercase of 'I' is not 'i'. It is LATIN SMALL LETTER DOTLESS I. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org