From 501e6feee441eb0155b9430432467481f80d53d5 Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Sat, 13 Sep 2025 12:33:27 +0300
Subject: [PATCH 1/9] feat(citation-key-generator): add support for
 transliterating fields in citation key

---
 .../CitationKeyPatternTab.java                |  2 +
 .../CitationKeyPatternTabViewModel.java       |  7 ++++
 .../CitationKeyPatternTab.fxml                |  1 +
 .../AutoRenameFileOnEntryChangeTest.java      |  1 +
 .../CitationKeyGenerator.java                 | 29 ++++++++++++-
 .../CitationKeyPatternPreferences.java        | 42 +++++++++++++++++--
 .../preferences/JabRefCliPreferences.java     |  5 +++
 .../CitationKeyGeneratorTest.java             |  9 ++++
 .../MakeLabelWithDatabaseTest.java            |  6 +++
 .../MakeLabelWithoutDatabaseTest.java         |  1 +
 .../org/jabref/logic/crawler/CrawlerTest.java | 14 +------
 .../logic/crawler/StudyRepositoryTest.java    | 16 +------
 .../logic/integrity/IntegrityCheckTest.java   | 22 ++--------
 13 files changed, 105 insertions(+), 50 deletions(-)

diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
index dac2489ca0e..f1622a84cc6 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
@@ -21,6 +21,7 @@
 
 public class CitationKeyPatternTab extends AbstractPreferenceTabView<CitationKeyPatternTabViewModel> implements PreferencesTab {
 
+    @FXML private CheckBox transliterateFields;
     @FXML private CheckBox overwriteAllow;
     @FXML private CheckBox overwriteWarning;
     @FXML private CheckBox generateOnSave;
@@ -48,6 +49,7 @@ public String getTabName() {
     public void initialize() {
         this.viewModel = new CitationKeyPatternTabViewModel(preferences.getCitationKeyPatternPreferences(), preferences.getImporterPreferences());
 
+        transliterateFields.selectedProperty().bindBidirectional(viewModel.transliterateFieldsProperty());
         overwriteAllow.selectedProperty().bindBidirectional(viewModel.overwriteAllowProperty());
         overwriteWarning.selectedProperty().bindBidirectional(viewModel.overwriteWarningProperty());
         generateOnSave.selectedProperty().bindBidirectional(viewModel.generateOnSaveProperty());
diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
index 2ccfdf85897..f9c7a32320f 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
@@ -19,6 +19,7 @@
 
 public class CitationKeyPatternTabViewModel implements PreferenceTabViewModel {
 
+    private final BooleanProperty transliterateFieldsProperty = new SimpleBooleanProperty();
     private final BooleanProperty overwriteAllowProperty = new SimpleBooleanProperty();
     private final BooleanProperty overwriteWarningProperty = new SimpleBooleanProperty();
     private final BooleanProperty generateOnSaveProperty = new SimpleBooleanProperty();
@@ -53,6 +54,7 @@ public CitationKeyPatternTabViewModel(CitationKeyPatternPreferences keyPatternPr
 
     @Override
     public void setValues() {
+        transliterateFieldsProperty.setValue(keyPatternPreferences.shouldTransliterateFields());
         overwriteAllowProperty.setValue(!keyPatternPreferences.shouldAvoidOverwriteCiteKey());
         overwriteWarningProperty.setValue(keyPatternPreferences.shouldWarnBeforeOverwriteCiteKey());
         generateOnSaveProperty.setValue(keyPatternPreferences.shouldGenerateCiteKeysBeforeSaving());
@@ -106,6 +108,7 @@ public void storeSettings() {
             keySuffix = CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_B;
         }
 
+        keyPatternPreferences.setShouldTransliterateFields(transliterateFieldsProperty.getValue());
         keyPatternPreferences.setAvoidOverwriteCiteKey(!overwriteAllowProperty.getValue());
         keyPatternPreferences.setWarnBeforeOverwriteCiteKey(overwriteWarningProperty.getValue());
         keyPatternPreferences.setGenerateCiteKeysBeforeSaving(generateOnSaveProperty.getValue());
@@ -117,6 +120,10 @@ public void storeSettings() {
         keyPatternPreferences.setKeyPatterns(newKeyPattern);
     }
 
+    public BooleanProperty transliterateFieldsProperty() {
+        return transliterateFieldsProperty;
+    }
+
     public BooleanProperty overwriteAllowProperty() {
         return overwriteAllowProperty;
     }
diff --git a/jabgui/src/main/resources/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.fxml b/jabgui/src/main/resources/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.fxml
index adc13ae7070..e119c410a1a 100644
--- a/jabgui/src/main/resources/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.fxml
+++ b/jabgui/src/main/resources/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.fxml
@@ -20,6 +20,7 @@
     <Label styleClass="titleHeader" text="%Citation key patterns"/>
 
     <Label styleClass="sectionHeader" text="%General"/>
+    <CheckBox fx:id="transliterateFields" text="%Transliterate fields"/>
     <CheckBox fx:id="overwriteAllow" text="%Overwrite existing keys"/>
     <CheckBox fx:id="overwriteWarning" text="%Warn before overwriting existing keys" disable="${!overwriteAllow.selected}">
         <padding>
diff --git a/jabgui/src/test/java/org/jabref/gui/externalfiles/AutoRenameFileOnEntryChangeTest.java b/jabgui/src/test/java/org/jabref/gui/externalfiles/AutoRenameFileOnEntryChangeTest.java
index b9c6cbfd0b9..57d975ad51d 100644
--- a/jabgui/src/test/java/org/jabref/gui/externalfiles/AutoRenameFileOnEntryChangeTest.java
+++ b/jabgui/src/test/java/org/jabref/gui/externalfiles/AutoRenameFileOnEntryChangeTest.java
@@ -44,6 +44,7 @@ void setUp(@TempDir Path tempDir) {
         GuiPreferences guiPreferences = mock(GuiPreferences.class);
         filePreferences = mock(FilePreferences.class);
         CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 true,
                 false,
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index ee07e34ad01..6b6fb88a39c 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -14,6 +14,7 @@
 import org.jabref.model.entry.types.EntryType;
 import org.jabref.model.strings.StringUtil;
 
+import com.ibm.icu.text.Transliterator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -40,6 +41,11 @@ public class CitationKeyGenerator extends BracketedPattern {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(CitationKeyGenerator.class);
 
+    // This transliterator configuration will transliterate from any language to Latin script
+    // that uses only allowed characters for citation keys (letters and numbers, hyphen and underscore).
+    private static final String TRANSLITERATOR_CONFIG = buildTransliteratorConfig();
+    private static final Transliterator TRANSLITERATOR = Transliterator.getInstance(TRANSLITERATOR_CONFIG);
+
     private final AbstractCitationKeyPatterns citeKeyPattern;
     private final BibDatabase database;
     private final CitationKeyPatternPreferences citationKeyPatternPreferences;
@@ -94,6 +100,18 @@ public static String cleanKey(String key, String unwantedCharacters) {
         return removeUnwantedCharacters(key, unwantedCharacters).replaceAll("\\s", "");
     }
 
+    private static String buildTransliteratorConfig() {
+        StringBuilder pattern = new StringBuilder();
+
+        for (Character c : DISALLOWED_CHARACTERS) {
+            // Generally, only characters like `-` or `[` need to be escaped with a backslash,
+            // but for future proofing we escape all characters.
+            pattern.append("\\").append(c);
+        }
+
+        return "Any-Latin; Latin-ASCII; [" + pattern + "] Remove";
+    }
+
     /**
      * Generate a citation key for the given {@link BibEntry}.
      *
@@ -107,7 +125,8 @@ public String generateKey(BibEntry entry) {
         String newKey = createCitationKeyFromPattern(entry);
         newKey = replaceWithRegex(newKey);
         newKey = appendLettersToKey(newKey, currentKey);
-        return cleanKey(newKey, unwantedCharacters);
+        newKey = cleanKey(newKey, unwantedCharacters);
+        return transliterateIfNeeded(newKey);
     }
 
     /**
@@ -153,6 +172,14 @@ private String appendLettersToKey(String key, String oldKey) {
         return key;
     }
 
+    public String transliterateIfNeeded(String key) {
+        if (!citationKeyPatternPreferences.shouldTransliterateFields()) {
+            return key;
+        }
+
+        return TRANSLITERATOR.transliterate(key);
+    }
+
     /**
      * Using preferences, replace matches to the provided regex with a string.
      *
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
index 200fc352ead..ca10c72abfa 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
@@ -10,6 +10,8 @@
 
 import com.google.common.annotations.VisibleForTesting;
 
+import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
+
 public class CitationKeyPatternPreferences {
 
     public enum KeySuffix {
@@ -18,6 +20,7 @@ public enum KeySuffix {
         SECOND_WITH_B   // CiteKey, CiteKeyB, CiteKeyC ...
     }
 
+    private final BooleanProperty shouldTransliterateFields = new SimpleBooleanProperty();
     private final BooleanProperty shouldAvoidOverwriteCiteKey = new SimpleBooleanProperty();
     private final BooleanProperty shouldWarnBeforeOverwriteCiteKey = new SimpleBooleanProperty();
     private final BooleanProperty shouldGenerateCiteKeysBeforeSaving = new SimpleBooleanProperty();
@@ -29,7 +32,8 @@ public enum KeySuffix {
     private final String defaultPattern;
     private final ReadOnlyObjectProperty<Character> keywordDelimiter;
 
-    public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
+    public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
+                                         boolean shouldAvoidOverwriteCiteKey,
                                          boolean shouldWarnBeforeOverwriteCiteKey,
                                          boolean shouldGenerateCiteKeysBeforeSaving,
                                          KeySuffix keySuffix,
@@ -40,6 +44,7 @@ public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
                                          String defaultPattern,
                                          ReadOnlyObjectProperty<Character> keywordDelimiter) {
 
+        this.shouldTransliterateFields.set(shouldTransliterateFields);
         this.shouldAvoidOverwriteCiteKey.set(shouldAvoidOverwriteCiteKey);
         this.shouldWarnBeforeOverwriteCiteKey.set(shouldWarnBeforeOverwriteCiteKey);
         this.shouldGenerateCiteKeysBeforeSaving.set(shouldGenerateCiteKeysBeforeSaving);
@@ -54,7 +59,8 @@ public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
     }
 
     @VisibleForTesting
-    public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
+    public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
+                                         boolean shouldAvoidOverwriteCiteKey,
                                          boolean shouldWarnBeforeOverwriteCiteKey,
                                          boolean shouldGenerateCiteKeysBeforeSaving,
                                          KeySuffix keySuffix,
@@ -65,7 +71,8 @@ public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
                                          String defaultPattern,
                                          Character keywordDelimiter) {
 
-        this(shouldAvoidOverwriteCiteKey,
+        this(shouldTransliterateFields,
+                shouldAvoidOverwriteCiteKey,
                 shouldWarnBeforeOverwriteCiteKey,
                 shouldGenerateCiteKeysBeforeSaving,
                 keySuffix,
@@ -77,6 +84,35 @@ public CitationKeyPatternPreferences(boolean shouldAvoidOverwriteCiteKey,
                 new SimpleObjectProperty<>(keywordDelimiter));
     }
 
+    @VisibleForTesting
+    public static CitationKeyPatternPreferences getInstanceForTesting() {
+        return new CitationKeyPatternPreferences(
+                true,
+                false,
+                false,
+                false,
+                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
+                "",
+                "",
+                DEFAULT_UNWANTED_CHARACTERS,
+                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
+                "",
+                ','
+        );
+    }
+
+    public boolean shouldTransliterateFields() {
+        return shouldTransliterateFields.get();
+    }
+
+    public BooleanProperty shouldTransliterateFieldsProperty() {
+        return shouldTransliterateFields;
+    }
+
+    public void setShouldTransliterateFields(boolean shouldTransliterateFields) {
+        this.shouldTransliterateFields.set(shouldTransliterateFields);
+    }
+
     public boolean shouldAvoidOverwriteCiteKey() {
         return shouldAvoidOverwriteCiteKey.get();
     }
diff --git a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
index c0f87ed2ddb..90d52d3eaa4 100644
--- a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
@@ -240,6 +240,7 @@ public class JabRefCliPreferences implements CliPreferences {
     public static final String UNWANTED_CITATION_KEY_CHARACTERS = "defaultUnwantedBibtexKeyCharacters";
     public static final String CONFIRM_LINKED_FILE_DELETE = "confirmLinkedFileDelete";
     public static final String TRASH_INSTEAD_OF_DELETE = "trashInsteadOfDelete";
+    public static final String TRANSLITERATE_FIELDS = "transliterateFields";
     public static final String WARN_BEFORE_OVERWRITING_KEY = "warnBeforeOverwritingKey";
     public static final String AVOID_OVERWRITING_KEY = "avoidOverwritingKey";
     public static final String AUTOLINK_EXACT_KEY_ONLY = "autolinkExactKeyOnly";
@@ -649,6 +650,7 @@ public JabRefCliPreferences() {
 
         defaults.put(USE_OWNER, Boolean.FALSE);
         defaults.put(OVERWRITE_OWNER, Boolean.FALSE);
+        defaults.put(TRANSLITERATE_FIELDS, Boolean.TRUE);
         defaults.put(AVOID_OVERWRITING_KEY, Boolean.FALSE);
         defaults.put(WARN_BEFORE_OVERWRITING_KEY, Boolean.TRUE);
         defaults.put(CONFIRM_LINKED_FILE_DELETE, Boolean.TRUE);
@@ -1541,6 +1543,7 @@ public CitationKeyPatternPreferences getCitationKeyPatternPreferences() {
         }
 
         citationKeyPatternPreferences = new CitationKeyPatternPreferences(
+                getBoolean(TRANSLITERATE_FIELDS),
                 getBoolean(AVOID_OVERWRITING_KEY),
                 getBoolean(WARN_BEFORE_OVERWRITING_KEY),
                 getBoolean(GENERATE_KEYS_BEFORE_SAVING),
@@ -1552,6 +1555,8 @@ public CitationKeyPatternPreferences getCitationKeyPatternPreferences() {
                 (String) defaults.get(DEFAULT_CITATION_KEY_PATTERN),
                 getBibEntryPreferences().keywordSeparatorProperty());
 
+        EasyBind.listen(citationKeyPatternPreferences.shouldTransliterateFieldsProperty(),
+                (_, _, newValue) -> putBoolean(TRANSLITERATE_FIELDS, newValue));
         EasyBind.listen(citationKeyPatternPreferences.shouldAvoidOverwriteCiteKeyProperty(),
                 (_, _, newValue) -> putBoolean(AVOID_OVERWRITING_KEY, newValue));
         EasyBind.listen(citationKeyPatternPreferences.shouldWarnBeforeOverwriteCiteKeyProperty(),
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
index 5283f4db933..4679df4e2f6 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
@@ -94,6 +94,7 @@ static String generateKey(BibEntry entry, String pattern) {
     static String generateKey(BibEntry entry, String pattern, BibDatabase database) {
         GlobalCitationKeyPatterns keyPattern = GlobalCitationKeyPatterns.fromPattern(pattern);
         CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -1040,6 +1041,7 @@ void generateKeyDoesNotModifyTheKeyWithIncorrectRegexReplacement() {
         String pattern = "[title]";
         GlobalCitationKeyPatterns keyPattern = GlobalCitationKeyPatterns.fromPattern(pattern);
         CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -1083,4 +1085,11 @@ void generateKeyCorrectKeyWithAndOthersAtTheEnd() {
         entry.setField(StandardField.YEAR, "2019");
         assertEquals("Artemenko2019", generateKey(entry, "[auth][year]"));
     }
+
+    @Test
+    void generateKeyWithTransliteration() {
+        BibEntry entry = createABibEntryAuthor("Надежда Карпенко");
+        entry.setField(StandardField.YEAR, "2025");
+        assertEquals("Karpenko2025", generateKey(entry, "[auth][year]"));
+    }
 }
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithDatabaseTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithDatabaseTest.java
index 1e38897ee95..cb8e98814b5 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithDatabaseTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithDatabaseTest.java
@@ -38,6 +38,7 @@ void setUp() {
         pattern = GlobalCitationKeyPatterns.fromPattern("[auth][year]");
         bibtexKeyPattern = new DatabaseCitationKeyPatterns(pattern);
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -70,6 +71,7 @@ void generateDefaultKeyAlreadyExistsDuplicatesStartAtA() {
     @Test
     void generateDefaultKeyAlwaysLetter() {
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -88,6 +90,7 @@ void generateDefaultKeyAlwaysLetter() {
     @Test
     void generateDefaultKeyAlwaysLetterAlreadyExistsDuplicatesStartAtB() {
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -111,6 +114,7 @@ void generateDefaultKeyAlwaysLetterAlreadyExistsDuplicatesStartAtB() {
     @Test
     void generateDefaultKeyStartDuplicatesAtB() {
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -129,6 +133,7 @@ void generateDefaultKeyStartDuplicatesAtB() {
     @Test
     void generateDefaultKeyAlreadyExistsDuplicatesStartAtB() {
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
@@ -430,6 +435,7 @@ void generateKeyAuthNMLargeMReallyReturnsEmptyString() {
     @Test
     void generateKeyRegExReplace() {
         preferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithoutDatabaseTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithoutDatabaseTest.java
index 024522a5a96..8935486c42e 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithoutDatabaseTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/MakeLabelWithoutDatabaseTest.java
@@ -25,6 +25,7 @@ void setUp() {
         GlobalCitationKeyPatterns keyPattern = new GlobalCitationKeyPatterns(CitationKeyPattern.NULL_CITATION_KEY_PATTERN);
         keyPattern.setDefaultValue("[auth]");
         patternPreferences = new CitationKeyPatternPreferences(
+                true,
                 false,
                 false,
                 false,
diff --git a/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java b/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
index 99c965057b4..fc17c5ee004 100644
--- a/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
+++ b/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
@@ -11,7 +11,6 @@
 
 import org.jabref.logic.JabRefException;
 import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
-import org.jabref.logic.citationkeypattern.GlobalCitationKeyPatterns;
 import org.jabref.logic.exporter.SaveConfiguration;
 import org.jabref.logic.exporter.SaveException;
 import org.jabref.logic.git.SlrGitHandler;
@@ -32,7 +31,6 @@
 import org.junit.jupiter.api.io.TempDir;
 import org.mockito.Answers;
 
-import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -62,17 +60,7 @@ class CrawlerTest {
     void setUp() throws GitAPIException, URISyntaxException {
         setUpRepository();
 
-        CitationKeyPatternPreferences citationKeyPatternPreferences = new CitationKeyPatternPreferences(
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
-                "",
-                "",
-                DEFAULT_UNWANTED_CHARACTERS,
-                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
-                "",
-                ',');
+        CitationKeyPatternPreferences citationKeyPatternPreferences = CitationKeyPatternPreferences.getInstanceForTesting();
 
         importFormatPreferences = mock(ImportFormatPreferences.class, Answers.RETURNS_DEEP_STUBS);
         importerPreferences = mock(ImporterPreferences.class);
diff --git a/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java b/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
index b1f69a82e0b..ccf36bd6e9c 100644
--- a/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
+++ b/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
@@ -15,7 +15,6 @@
 import org.jabref.logic.LibraryPreferences;
 import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
 import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
-import org.jabref.logic.citationkeypattern.GlobalCitationKeyPatterns;
 import org.jabref.logic.database.DatabaseMerger;
 import org.jabref.logic.exporter.SaveConfiguration;
 import org.jabref.logic.exporter.SaveException;
@@ -39,7 +38,6 @@
 import org.junit.jupiter.api.io.TempDir;
 import org.mockito.Answers;
 
-import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -72,22 +70,12 @@ void setUpMocks() throws IOException, URISyntaxException, JabRefException {
         saveConfiguration = mock(SaveConfiguration.class, Answers.RETURNS_DEEP_STUBS);
         importFormatPreferences = mock(ImportFormatPreferences.class, Answers.RETURNS_DEEP_STUBS);
         preferences = mock(CliPreferences.class, Answers.RETURNS_DEEP_STUBS);
-        citationKeyPatternPreferences = new CitationKeyPatternPreferences(
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
-                "",
-                "",
-                DEFAULT_UNWANTED_CHARACTERS,
-                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
-                "",
-                ',');
+        citationKeyPatternPreferences = CitationKeyPatternPreferences.getInstanceForTesting();
         when(preferences.getCitationKeyPatternPreferences()).thenReturn(citationKeyPatternPreferences);
         when(preferences.getImporterPreferences().getApiKeys()).thenReturn(FXCollections.emptyObservableSet());
         when(importFormatPreferences.bibEntryPreferences().getKeywordSeparator()).thenReturn(',');
         when(preferences.getImportFormatPreferences()).thenReturn(importFormatPreferences);
-        when(preferences.getTimestampPreferences().getTimestampField()).then(invocation -> StandardField.TIMESTAMP);
+        when(preferences.getTimestampPreferences().getTimestampField()).then(_ -> StandardField.TIMESTAMP);
         entryTypesManager = new BibEntryTypesManager();
         getTestStudyRepository();
     }
diff --git a/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java b/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
index cb4aa70a29f..c0343afc2ae 100644
--- a/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
+++ b/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
@@ -9,9 +9,7 @@
 import java.util.stream.Stream;
 
 import org.jabref.logic.FilePreferences;
-import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
 import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
-import org.jabref.logic.citationkeypattern.GlobalCitationKeyPatterns;
 import org.jabref.logic.journals.JournalAbbreviationLoader;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.database.BibDatabaseContext;
@@ -138,7 +136,7 @@ void entryIsUnchangedAfterChecks() {
 
         new IntegrityCheck(context,
                 mock(FilePreferences.class),
-                createCitationKeyPatternPreferences(),
+                CitationKeyPatternPreferences.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();
@@ -173,7 +171,7 @@ private void assertWrong(BibDatabaseContext context) {
 
         messages = new IntegrityCheck(context,
                 mock(FilePreferences.class),
-                createCitationKeyPatternPreferences(),
+                CitationKeyPatternPreferences.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();
@@ -188,7 +186,7 @@ private void assertCorrect(BibDatabaseContext context) {
 
         messages = new IntegrityCheck(context,
                 filePreferencesMock,
-                createCitationKeyPatternPreferences(),
+                CitationKeyPatternPreferences.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();
@@ -196,20 +194,6 @@ private void assertCorrect(BibDatabaseContext context) {
         assertEquals(List.of(), messages);
     }
 
-    private CitationKeyPatternPreferences createCitationKeyPatternPreferences() {
-        return new CitationKeyPatternPreferences(
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_B,
-                "",
-                "",
-                CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS,
-                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
-                "",
-                ',');
-    }
-
     private BibDatabaseContext withMode(BibDatabaseContext context, BibDatabaseMode mode) {
         context.setMode(mode);
         return context;

From 84ca04ad666a29b340827d0abe57a0be1963e03e Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Sat, 13 Sep 2025 22:18:44 +0300
Subject: [PATCH 2/9] feat(citation-key-generator): add transliteration action
 + refactor to class

---
 .../CitationKeyGenerator.java                 | 23 ++----------
 .../jabref/logic/formatter/Formatters.java    |  4 ++-
 .../bibtexfields/TransliterateFormatter.java  | 32 +++++++++++++++++
 .../logic/util/strings/Transliteration.java   | 36 +++++++++++++++++++
 .../CitationKeyGeneratorTest.java             | 19 ++++++++--
 .../cleanup/FieldFormatterCleanupTest.java    |  9 +++++
 .../util/strings/TransliterationTest.java     | 35 ++++++++++++++++++
 7 files changed, 135 insertions(+), 23 deletions(-)
 create mode 100644 jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
 create mode 100644 jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
 create mode 100644 jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java

diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index 6b6fb88a39c..a407b72b6dd 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -7,6 +7,7 @@
 import java.util.function.Function;
 import java.util.regex.PatternSyntaxException;
 
+import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.model.FieldChange;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.database.BibDatabaseContext;
@@ -14,7 +15,6 @@
 import org.jabref.model.entry.types.EntryType;
 import org.jabref.model.strings.StringUtil;
 
-import com.ibm.icu.text.Transliterator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -37,15 +37,10 @@ public class CitationKeyGenerator extends BracketedPattern {
 
     /// Source of disallowed characters: <https://tex.stackexchange.com/a/408548/9075>
     /// These characters are disallowed in BibTeX keys.
-    private static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
+    public static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
 
     private static final Logger LOGGER = LoggerFactory.getLogger(CitationKeyGenerator.class);
 
-    // This transliterator configuration will transliterate from any language to Latin script
-    // that uses only allowed characters for citation keys (letters and numbers, hyphen and underscore).
-    private static final String TRANSLITERATOR_CONFIG = buildTransliteratorConfig();
-    private static final Transliterator TRANSLITERATOR = Transliterator.getInstance(TRANSLITERATOR_CONFIG);
-
     private final AbstractCitationKeyPatterns citeKeyPattern;
     private final BibDatabase database;
     private final CitationKeyPatternPreferences citationKeyPatternPreferences;
@@ -100,18 +95,6 @@ public static String cleanKey(String key, String unwantedCharacters) {
         return removeUnwantedCharacters(key, unwantedCharacters).replaceAll("\\s", "");
     }
 
-    private static String buildTransliteratorConfig() {
-        StringBuilder pattern = new StringBuilder();
-
-        for (Character c : DISALLOWED_CHARACTERS) {
-            // Generally, only characters like `-` or `[` need to be escaped with a backslash,
-            // but for future proofing we escape all characters.
-            pattern.append("\\").append(c);
-        }
-
-        return "Any-Latin; Latin-ASCII; [" + pattern + "] Remove";
-    }
-
     /**
      * Generate a citation key for the given {@link BibEntry}.
      *
@@ -177,7 +160,7 @@ public String transliterateIfNeeded(String key) {
             return key;
         }
 
-        return TRANSLITERATOR.transliterate(key);
+        return Transliteration.transliterate(key, false);
     }
 
     /**
diff --git a/jablib/src/main/java/org/jabref/logic/formatter/Formatters.java b/jablib/src/main/java/org/jabref/logic/formatter/Formatters.java
index f7fa786fc19..1efa6188dd7 100644
--- a/jablib/src/main/java/org/jabref/logic/formatter/Formatters.java
+++ b/jablib/src/main/java/org/jabref/logic/formatter/Formatters.java
@@ -30,6 +30,7 @@
 import org.jabref.logic.formatter.bibtexfields.RemoveEnclosingBracesFormatter;
 import org.jabref.logic.formatter.bibtexfields.RemoveWordEnclosingAndOuterEnclosingBracesFormatter;
 import org.jabref.logic.formatter.bibtexfields.ShortenDOIFormatter;
+import org.jabref.logic.formatter.bibtexfields.TransliterateFormatter;
 import org.jabref.logic.formatter.bibtexfields.UnicodeToLatexFormatter;
 import org.jabref.logic.formatter.bibtexfields.UnitsToLatexFormatter;
 import org.jabref.logic.formatter.casechanger.CamelFormatter;
@@ -65,7 +66,8 @@ public static List<Formatter> getConverters() {
                 new HtmlToUnicodeFormatter(),
                 new LatexToUnicodeFormatter(),
                 new UnicodeToLatexFormatter(),
-                new ConvertMSCCodesFormatter()
+                new ConvertMSCCodesFormatter(),
+                new TransliterateFormatter()
         );
     }
 
diff --git a/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java b/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
new file mode 100644
index 00000000000..89e710835a9
--- /dev/null
+++ b/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
@@ -0,0 +1,32 @@
+package org.jabref.logic.formatter.bibtexfields;
+
+import org.jabref.logic.cleanup.Formatter;
+import org.jabref.logic.l10n.Localization;
+import org.jabref.logic.util.strings.Transliteration;
+
+public class TransliterateFormatter extends Formatter {
+    @Override
+    public String getName() {
+        return Localization.lang("Transliterate");
+    }
+
+    @Override
+    public String getKey() {
+        return "transliterate";
+    }
+
+    @Override
+    public String format(String value) {
+        return Transliteration.transliterate(value, false);
+    }
+
+    @Override
+    public String getDescription() {
+        return Localization.lang("Converts non-Latin characters to their Latin equivalents.");
+    }
+
+    @Override
+    public String getExampleInput() {
+        return "Карпенко Надежда";
+    }
+}
diff --git a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
new file mode 100644
index 00000000000..9a8a7c52b7b
--- /dev/null
+++ b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
@@ -0,0 +1,36 @@
+package org.jabref.logic.util.strings;
+
+import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
+
+import com.ibm.icu.text.Transliterator;
+
+public class Transliteration {
+
+    // This transliterator configuration will transliterate from any language to Latin script
+    // that uses only allowed characters for citation keys.
+    private static final String TRANSLITERATOR_CONFIG = buildTransliteratorConfig();
+    private static final Transliterator TRANSLITERATOR = Transliterator.getInstance(TRANSLITERATOR_CONFIG);
+
+    public static String transliterate(String input, boolean removeSpaces) {
+        String result = TRANSLITERATOR.transliterate(input);
+
+        // For some reason, icu4j sometimes leaves spaces in the result, so we remove them here if needed.
+        if (removeSpaces) {
+            result = result.replace(" ", "");
+        }
+
+        return result;
+    }
+
+    private static String buildTransliteratorConfig() {
+        StringBuilder pattern = new StringBuilder();
+
+        for (Character c : CitationKeyGenerator.DISALLOWED_CHARACTERS) {
+            // Generally, only characters like `-` or `[` need to be escaped with a backslash,
+            // but for future proofing we escape all characters.
+            pattern.append("\\").append(c);
+        }
+
+        return "Any-Latin; Latin-ASCII; Title; [" + pattern + "] Remove";
+    }
+}
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
index 4679df4e2f6..8e9d52f2fb2 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
@@ -88,13 +88,21 @@ private static BibEntry createABibEntryAuthor(String author) {
     }
 
     static String generateKey(BibEntry entry, String pattern) {
-        return generateKey(entry, pattern, new BibDatabase());
+        return generateKey(entry, true, pattern, new BibDatabase());
+    }
+
+    static String generateKey(BibEntry entry, boolean transliterate, String pattern) {
+        return generateKey(entry, transliterate, pattern, new BibDatabase());
     }
 
     static String generateKey(BibEntry entry, String pattern, BibDatabase database) {
+        return generateKey(entry, true, pattern, database);
+    }
+
+    static String generateKey(BibEntry entry, boolean transliterate, String pattern, BibDatabase database) {
         GlobalCitationKeyPatterns keyPattern = GlobalCitationKeyPatterns.fromPattern(pattern);
         CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
-                true,
+                transliterate,
                 false,
                 false,
                 false,
@@ -1092,4 +1100,11 @@ void generateKeyWithTransliteration() {
         entry.setField(StandardField.YEAR, "2025");
         assertEquals("Karpenko2025", generateKey(entry, "[auth][year]"));
     }
+
+    @Test
+    void generateKeyWithoutTransliteration() {
+        BibEntry entry = createABibEntryAuthor("Надежда Карпенко");
+        entry.setField(StandardField.YEAR, "2025");
+        assertEquals("Karpenko2025", generateKey(entry, "[auth][year]"));
+    }
 }
diff --git a/jablib/src/test/java/org/jabref/logic/cleanup/FieldFormatterCleanupTest.java b/jablib/src/test/java/org/jabref/logic/cleanup/FieldFormatterCleanupTest.java
index 52c82f88505..75deeefabec 100644
--- a/jablib/src/test/java/org/jabref/logic/cleanup/FieldFormatterCleanupTest.java
+++ b/jablib/src/test/java/org/jabref/logic/cleanup/FieldFormatterCleanupTest.java
@@ -3,6 +3,7 @@
 import java.util.HashMap;
 import java.util.Map;
 
+import org.jabref.logic.formatter.bibtexfields.TransliterateFormatter;
 import org.jabref.logic.formatter.bibtexfields.UnicodeToLatexFormatter;
 import org.jabref.logic.formatter.casechanger.UpperCaseFormatter;
 import org.jabref.model.entry.BibEntry;
@@ -91,4 +92,12 @@ void cleanupKeyFieldCleansUpKeyField() {
 
         assertEquals("Fran{\\c{c}}ois-Marie Arouet", entry.getField(InternalField.KEY_FIELD).get());
     }
+
+    @Test
+    void cleanupTransliterateField() {
+        FieldFormatterCleanup cleanup = new FieldFormatterCleanup(StandardField.TITLE, new TransliterateFormatter());
+        entry.setField(StandardField.TITLE, "Тiло Е");
+        cleanup.cleanup(entry);
+        assertEquals("Tilo E", entry.getField(StandardField.TITLE).get());
+    }
 }
diff --git a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
new file mode 100644
index 00000000000..e766dfe0fa2
--- /dev/null
+++ b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
@@ -0,0 +1,35 @@
+package org.jabref.logic.util.strings;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class TransliterationTest {
+    @ParameterizedTest(name = "string={0}, expected={1}")
+    @CsvSource({
+            "Hello, Hello",                     // English
+            "Grüße, Grusse",                   // German
+            "संस्कृतम्, Sanskrtam",             // Sanskrit
+            "नमस्ते, Namaste",                  // Hindi
+            "Привет, Privet",                   // Russian
+            "Привіт, Privit",                   // Ukrainian, though "Pryvit" is better for expected result.
+            "你好, Ni Hao",                      // Chinese
+            "안녕하세요, Annyeonghaseyo",         // Korean
+            "مرحبا, Mrhba"                   // Arabic
+    })
+    void transliterates(String string, String expected) {
+        assertEquals(expected, Transliteration.transliterate(string, false));
+    }
+
+    @Test
+    void removesSpaces(){
+        assertEquals("DzabRef", Transliteration.transliterate("Джаб Реф", true));
+    }
+
+    @Test
+    void keepsSpaces(){
+        assertEquals("Dzab Ref", Transliteration.transliterate("Джаб Реф", false));
+    }
+}

From 23a8ab7869bed60488945b80c24bbe109e98af86 Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Sat, 13 Sep 2025 22:19:28 +0300
Subject: [PATCH 3/9] chore(test): better format comments in
 TransliterationTest

---
 .../util/strings/TransliterationTest.java      | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
index e766dfe0fa2..c4ce3bf998c 100644
--- a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
+++ b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
@@ -9,15 +9,15 @@
 class TransliterationTest {
     @ParameterizedTest(name = "string={0}, expected={1}")
     @CsvSource({
-            "Hello, Hello",                     // English
-            "Grüße, Grusse",                   // German
-            "संस्कृतम्, Sanskrtam",             // Sanskrit
-            "नमस्ते, Namaste",                  // Hindi
-            "Привет, Privet",                   // Russian
-            "Привіт, Privit",                   // Ukrainian, though "Pryvit" is better for expected result.
-            "你好, Ni Hao",                      // Chinese
-            "안녕하세요, Annyeonghaseyo",         // Korean
-            "مرحبا, Mrhba"                   // Arabic
+            "Hello, Hello",            // English
+            "Grüße, Grusse",           // German
+            "संस्कृतम्, Sanskrtam",        // Sanskrit
+            "नमस्ते, Namaste",            // Hindi
+            "Привет, Privet",          // Russian
+            "Привіт, Privit",          // Ukrainian, though "Pryvit" is better for expected result.
+            "你好, Ni Hao",             // Chinese
+            "안녕하세요, Annyeonghaseyo", // Korean
+            "مرحبا, Mrhba"             // Arabic
     })
     void transliterates(String string, String expected) {
         assertEquals(expected, Transliteration.transliterate(string, false));

From da7b436f1294292a4b645e74a3f21c13f0da88e3 Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Sat, 13 Sep 2025 22:25:45 +0300
Subject: [PATCH 4/9] chore(changelog): add changelog entry for transliteration

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc6e7df281a..a1efd94c70d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added more supported formats of CAYW endpoint of HTTP server. [#13578](https://github.com/JabRef/jabref/issues/13578)
 - We added chronological navigation for entries in each library. [#6352](https://github.com/JabRef/jabref/issues/6352)
 - We added support for using Medline/Pubmed fetcher with an API key. [#11296](https://github.com/JabRef/jabref/issues/11296#issuecomment-3289005011)
+- We added support for transliteration of citation keys. [#11377](https://github.com/JabRef/jabref/issues/11377) [#9605](https://github.com/JabRef/jabref/issues/9605)
 
 ### Changed
 

From ccb383927a7e4bb465e3c53775efd14aa41d9f0a Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Sat, 13 Sep 2025 22:37:02 +0300
Subject: [PATCH 5/9] refactor(transliteration): refactor code after reviewing
 PR changes

---
 .../org/jabref/logic/bibtex/BibtexStandard.java   | 11 +++++++++++
 .../citationkeypattern/CitationKeyGenerator.java  | 11 ++++-------
 .../bibtexfields/TransliterateFormatter.java      |  2 +-
 .../logic/util/strings/Transliteration.java       | 15 ++++-----------
 .../logic/util/strings/TransliterationTest.java   | 15 ++-------------
 5 files changed, 22 insertions(+), 32 deletions(-)
 create mode 100644 jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java

diff --git a/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java b/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java
new file mode 100644
index 00000000000..402050ff21f
--- /dev/null
+++ b/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java
@@ -0,0 +1,11 @@
+package org.jabref.logic.bibtex;
+
+import java.util.Arrays;
+import java.util.List;
+
+/// Contains various information or constants about the BibTeX standard.
+public class BibtexStandard {
+    /// Source of disallowed characters: <https://tex.stackexchange.com/a/408548/9075>
+    /// These characters are disallowed in BibTeX keys.
+    public static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
+}
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index a407b72b6dd..82cfd1fcf00 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -1,12 +1,12 @@
 package org.jabref.logic.citationkeypattern;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.function.Function;
 import java.util.regex.PatternSyntaxException;
 
+import org.jabref.logic.bibtex.BibtexStandard;
 import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.model.FieldChange;
 import org.jabref.model.database.BibDatabase;
@@ -35,10 +35,6 @@ public class CitationKeyGenerator extends BracketedPattern {
     /// See also #DISALLOWED_CHARACTERS
     public static final String DEFAULT_UNWANTED_CHARACTERS = "?!;^`ʹ";
 
-    /// Source of disallowed characters: <https://tex.stackexchange.com/a/408548/9075>
-    /// These characters are disallowed in BibTeX keys.
-    public static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
-
     private static final Logger LOGGER = LoggerFactory.getLogger(CitationKeyGenerator.class);
 
     private final AbstractCitationKeyPatterns citeKeyPattern;
@@ -81,7 +77,7 @@ public static String removeDefaultUnwantedCharacters(String key) {
     public static String removeUnwantedCharacters(String key, String unwantedCharacters) {
         String newKey = key.chars()
                            .filter(c -> unwantedCharacters.indexOf(c) == -1)
-                           .filter(c -> !DISALLOWED_CHARACTERS.contains((char) c))
+                           .filter(c -> !BibtexStandard.DISALLOWED_CHARACTERS.contains((char) c))
                            .collect(StringBuilder::new,
                                    StringBuilder::appendCodePoint, StringBuilder::append)
                            .toString();
@@ -160,7 +156,8 @@ public String transliterateIfNeeded(String key) {
             return key;
         }
 
-        return Transliteration.transliterate(key, false);
+        String result = Transliteration.transliterate(key);
+        return result.replace(" ", "");
     }
 
     /**
diff --git a/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java b/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
index 89e710835a9..e228aa0206a 100644
--- a/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
+++ b/jablib/src/main/java/org/jabref/logic/formatter/bibtexfields/TransliterateFormatter.java
@@ -17,7 +17,7 @@ public String getKey() {
 
     @Override
     public String format(String value) {
-        return Transliteration.transliterate(value, false);
+        return Transliteration.transliterate(value);
     }
 
     @Override
diff --git a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
index 9a8a7c52b7b..90d1b111517 100644
--- a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
+++ b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
@@ -1,6 +1,6 @@
 package org.jabref.logic.util.strings;
 
-import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
+import org.jabref.logic.bibtex.BibtexStandard;
 
 import com.ibm.icu.text.Transliterator;
 
@@ -11,21 +11,14 @@ public class Transliteration {
     private static final String TRANSLITERATOR_CONFIG = buildTransliteratorConfig();
     private static final Transliterator TRANSLITERATOR = Transliterator.getInstance(TRANSLITERATOR_CONFIG);
 
-    public static String transliterate(String input, boolean removeSpaces) {
-        String result = TRANSLITERATOR.transliterate(input);
-
-        // For some reason, icu4j sometimes leaves spaces in the result, so we remove them here if needed.
-        if (removeSpaces) {
-            result = result.replace(" ", "");
-        }
-
-        return result;
+    public static String transliterate(String input) {
+        return TRANSLITERATOR.transliterate(input);
     }
 
     private static String buildTransliteratorConfig() {
         StringBuilder pattern = new StringBuilder();
 
-        for (Character c : CitationKeyGenerator.DISALLOWED_CHARACTERS) {
+        for (Character c : BibtexStandard.DISALLOWED_CHARACTERS) {
             // Generally, only characters like `-` or `[` need to be escaped with a backslash,
             // but for future proofing we escape all characters.
             pattern.append("\\").append(c);
diff --git a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
index c4ce3bf998c..782be9fe91b 100644
--- a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
+++ b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
@@ -1,6 +1,5 @@
 package org.jabref.logic.util.strings;
 
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
 
@@ -14,22 +13,12 @@ class TransliterationTest {
             "संस्कृतम्, Sanskrtam",        // Sanskrit
             "नमस्ते, Namaste",            // Hindi
             "Привет, Privet",          // Russian
-            "Привіт, Privit",          // Ukrainian, though "Pryvit" is better for expected result.
+            "Привіт, Privit",          // Ukrainian, though "Pryvit" is better for the expected result.
             "你好, Ni Hao",             // Chinese
             "안녕하세요, Annyeonghaseyo", // Korean
             "مرحبا, Mrhba"             // Arabic
     })
     void transliterates(String string, String expected) {
-        assertEquals(expected, Transliteration.transliterate(string, false));
-    }
-
-    @Test
-    void removesSpaces(){
-        assertEquals("DzabRef", Transliteration.transliterate("Джаб Реф", true));
-    }
-
-    @Test
-    void keepsSpaces(){
-        assertEquals("Dzab Ref", Transliteration.transliterate("Джаб Реф", false));
+        assertEquals(expected, Transliteration.transliterate(string));
     }
 }

From 4444c8b29341af870edb2cba3302409bcbaa7d49 Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Mon, 22 Sep 2025 18:25:19 +0300
Subject: [PATCH 6/9] refactor(transliteration): address review comments

---
 .../jabref/logic/bibtex/BibtexStandard.java   | 11 ----------
 .../CitationKeyGenerator.java                 | 21 +++++++++++--------
 .../CitationKeyPatternPreferences.java        | 19 -----------------
 .../preferences/JabRefCliPreferences.java     |  2 +-
 .../logic/util/strings/Transliteration.java   |  5 ++---
 .../CitationKeyGeneratorTest.java             |  7 +++----
 .../org/jabref/logic/crawler/CrawlerTest.java |  3 ++-
 .../logic/crawler/StudyRepositoryTest.java    |  3 ++-
 .../logic/integrity/IntegrityCheckTest.java   |  8 +++----
 9 files changed, 26 insertions(+), 53 deletions(-)
 delete mode 100644 jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java

diff --git a/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java b/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java
deleted file mode 100644
index 402050ff21f..00000000000
--- a/jablib/src/main/java/org/jabref/logic/bibtex/BibtexStandard.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.jabref.logic.bibtex;
-
-import java.util.Arrays;
-import java.util.List;
-
-/// Contains various information or constants about the BibTeX standard.
-public class BibtexStandard {
-    /// Source of disallowed characters: <https://tex.stackexchange.com/a/408548/9075>
-    /// These characters are disallowed in BibTeX keys.
-    public static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
-}
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index 82cfd1fcf00..e98a826a5fd 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -1,12 +1,5 @@
 package org.jabref.logic.citationkeypattern;
 
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.function.Function;
-import java.util.regex.PatternSyntaxException;
-
-import org.jabref.logic.bibtex.BibtexStandard;
 import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.model.FieldChange;
 import org.jabref.model.database.BibDatabase;
@@ -14,10 +7,16 @@
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.types.EntryType;
 import org.jabref.model.strings.StringUtil;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.regex.PatternSyntaxException;
+
 /**
  * This is the utility class of the LabelPattern package.
  */
@@ -35,6 +34,10 @@ public class CitationKeyGenerator extends BracketedPattern {
     /// See also #DISALLOWED_CHARACTERS
     public static final String DEFAULT_UNWANTED_CHARACTERS = "?!;^`ʹ";
 
+    /// Source of disallowed characters: <https://tex.stackexchange.com/a/408548/9075>
+    /// These characters are disallowed in BibTeX keys.
+    public static final List<Character> DISALLOWED_CHARACTERS = Arrays.asList('{', '}', '(', ')', ',', '=', '\\', '"', '#', '%', '~', '\'');
+
     private static final Logger LOGGER = LoggerFactory.getLogger(CitationKeyGenerator.class);
 
     private final AbstractCitationKeyPatterns citeKeyPattern;
@@ -77,7 +80,7 @@ public static String removeDefaultUnwantedCharacters(String key) {
     public static String removeUnwantedCharacters(String key, String unwantedCharacters) {
         String newKey = key.chars()
                            .filter(c -> unwantedCharacters.indexOf(c) == -1)
-                           .filter(c -> !BibtexStandard.DISALLOWED_CHARACTERS.contains((char) c))
+                           .filter(c -> !DISALLOWED_CHARACTERS.contains((char) c))
                            .collect(StringBuilder::new,
                                    StringBuilder::appendCodePoint, StringBuilder::append)
                            .toString();
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
index ca10c72abfa..74e38900cd4 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
@@ -10,8 +10,6 @@
 
 import com.google.common.annotations.VisibleForTesting;
 
-import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
-
 public class CitationKeyPatternPreferences {
 
     public enum KeySuffix {
@@ -84,23 +82,6 @@ public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
                 new SimpleObjectProperty<>(keywordDelimiter));
     }
 
-    @VisibleForTesting
-    public static CitationKeyPatternPreferences getInstanceForTesting() {
-        return new CitationKeyPatternPreferences(
-                true,
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
-                "",
-                "",
-                DEFAULT_UNWANTED_CHARACTERS,
-                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
-                "",
-                ','
-        );
-    }
-
     public boolean shouldTransliterateFields() {
         return shouldTransliterateFields.get();
     }
diff --git a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
index 90d52d3eaa4..6ec6e175423 100644
--- a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
@@ -650,7 +650,7 @@ public JabRefCliPreferences() {
 
         defaults.put(USE_OWNER, Boolean.FALSE);
         defaults.put(OVERWRITE_OWNER, Boolean.FALSE);
-        defaults.put(TRANSLITERATE_FIELDS, Boolean.TRUE);
+        defaults.put(TRANSLITERATE_FIELDS, Boolean.FALSE);
         defaults.put(AVOID_OVERWRITING_KEY, Boolean.FALSE);
         defaults.put(WARN_BEFORE_OVERWRITING_KEY, Boolean.TRUE);
         defaults.put(CONFIRM_LINKED_FILE_DELETE, Boolean.TRUE);
diff --git a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
index 90d1b111517..cdab5361ccf 100644
--- a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
+++ b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
@@ -1,8 +1,7 @@
 package org.jabref.logic.util.strings;
 
-import org.jabref.logic.bibtex.BibtexStandard;
-
 import com.ibm.icu.text.Transliterator;
+import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
 
 public class Transliteration {
 
@@ -18,7 +17,7 @@ public static String transliterate(String input) {
     private static String buildTransliteratorConfig() {
         StringBuilder pattern = new StringBuilder();
 
-        for (Character c : BibtexStandard.DISALLOWED_CHARACTERS) {
+        for (Character c : CitationKeyGenerator.DISALLOWED_CHARACTERS) {
             // Generally, only characters like `-` or `[` need to be escaped with a backslash,
             // but for future proofing we escape all characters.
             pattern.append("\\").append(c);
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
index 8e9d52f2fb2..bac7970b835 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
@@ -1,15 +1,11 @@
 package org.jabref.logic.citationkeypattern;
 
-import java.util.Optional;
-import java.util.stream.Stream;
-
 import org.jabref.logic.importer.ImportFormatPreferences;
 import org.jabref.logic.importer.ParseException;
 import org.jabref.logic.importer.fileformat.BibtexParser;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.field.StandardField;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
@@ -18,6 +14,9 @@
 import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.Answers;
 
+import java.util.Optional;
+import java.util.stream.Stream;
+
 import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
diff --git a/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java b/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
index fc17c5ee004..18ee744f1e1 100644
--- a/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
+++ b/jablib/src/test/java/org/jabref/logic/crawler/CrawlerTest.java
@@ -10,6 +10,7 @@
 import javafx.collections.FXCollections;
 
 import org.jabref.logic.JabRefException;
+import org.jabref.logic.citationkeypattern.CitationKeyGeneratorTestUtils;
 import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
 import org.jabref.logic.exporter.SaveConfiguration;
 import org.jabref.logic.exporter.SaveException;
@@ -60,7 +61,7 @@ class CrawlerTest {
     void setUp() throws GitAPIException, URISyntaxException {
         setUpRepository();
 
-        CitationKeyPatternPreferences citationKeyPatternPreferences = CitationKeyPatternPreferences.getInstanceForTesting();
+        CitationKeyPatternPreferences citationKeyPatternPreferences = CitationKeyGeneratorTestUtils.getInstanceForTesting();
 
         importFormatPreferences = mock(ImportFormatPreferences.class, Answers.RETURNS_DEEP_STUBS);
         importerPreferences = mock(ImporterPreferences.class);
diff --git a/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java b/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
index ccf36bd6e9c..216edcb81d4 100644
--- a/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
+++ b/jablib/src/test/java/org/jabref/logic/crawler/StudyRepositoryTest.java
@@ -14,6 +14,7 @@
 import org.jabref.logic.JabRefException;
 import org.jabref.logic.LibraryPreferences;
 import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
+import org.jabref.logic.citationkeypattern.CitationKeyGeneratorTestUtils;
 import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
 import org.jabref.logic.database.DatabaseMerger;
 import org.jabref.logic.exporter.SaveConfiguration;
@@ -70,7 +71,7 @@ void setUpMocks() throws IOException, URISyntaxException, JabRefException {
         saveConfiguration = mock(SaveConfiguration.class, Answers.RETURNS_DEEP_STUBS);
         importFormatPreferences = mock(ImportFormatPreferences.class, Answers.RETURNS_DEEP_STUBS);
         preferences = mock(CliPreferences.class, Answers.RETURNS_DEEP_STUBS);
-        citationKeyPatternPreferences = CitationKeyPatternPreferences.getInstanceForTesting();
+        citationKeyPatternPreferences = CitationKeyGeneratorTestUtils.getInstanceForTesting();
         when(preferences.getCitationKeyPatternPreferences()).thenReturn(citationKeyPatternPreferences);
         when(preferences.getImporterPreferences().getApiKeys()).thenReturn(FXCollections.emptyObservableSet());
         when(importFormatPreferences.bibEntryPreferences().getKeywordSeparator()).thenReturn(',');
diff --git a/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java b/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
index c0343afc2ae..c29478b64c5 100644
--- a/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
+++ b/jablib/src/test/java/org/jabref/logic/integrity/IntegrityCheckTest.java
@@ -9,7 +9,7 @@
 import java.util.stream.Stream;
 
 import org.jabref.logic.FilePreferences;
-import org.jabref.logic.citationkeypattern.CitationKeyPatternPreferences;
+import org.jabref.logic.citationkeypattern.CitationKeyGeneratorTestUtils;
 import org.jabref.logic.journals.JournalAbbreviationLoader;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.database.BibDatabaseContext;
@@ -136,7 +136,7 @@ void entryIsUnchangedAfterChecks() {
 
         new IntegrityCheck(context,
                 mock(FilePreferences.class),
-                CitationKeyPatternPreferences.getInstanceForTesting(),
+                CitationKeyGeneratorTestUtils.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();
@@ -171,7 +171,7 @@ private void assertWrong(BibDatabaseContext context) {
 
         messages = new IntegrityCheck(context,
                 mock(FilePreferences.class),
-                CitationKeyPatternPreferences.getInstanceForTesting(),
+                CitationKeyGeneratorTestUtils.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();
@@ -186,7 +186,7 @@ private void assertCorrect(BibDatabaseContext context) {
 
         messages = new IntegrityCheck(context,
                 filePreferencesMock,
-                CitationKeyPatternPreferences.getInstanceForTesting(),
+                CitationKeyGeneratorTestUtils.getInstanceForTesting(),
                 JournalAbbreviationLoader.loadBuiltInRepository(),
                 false)
                 .check();

From 0788e282d1dbfd06e973dfc9559361b39138fbcf Mon Sep 17 00:00:00 2001
From: InAnYan <ruslanpopov1512@gmail.com>
Date: Mon, 22 Sep 2025 18:50:47 +0300
Subject: [PATCH 7/9] chore(transliteration): reformat files

---
 .../CitationKeyGenerator.java                 |  32 +-
 .../logic/util/strings/Transliteration.java   |   3 +-
 .../CitationKeyGeneratorTest.java             | 377 +++++-------------
 3 files changed, 110 insertions(+), 302 deletions(-)

diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index e98a826a5fd..6705cddc1f9 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -1,5 +1,12 @@
 package org.jabref.logic.citationkeypattern;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.regex.PatternSyntaxException;
+
 import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.model.FieldChange;
 import org.jabref.model.database.BibDatabase;
@@ -7,16 +14,10 @@
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.types.EntryType;
 import org.jabref.model.strings.StringUtil;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.function.Function;
-import java.util.regex.PatternSyntaxException;
-
 /**
  * This is the utility class of the LabelPattern package.
  */
@@ -46,9 +47,7 @@ public class CitationKeyGenerator extends BracketedPattern {
     private final String unwantedCharacters;
 
     public CitationKeyGenerator(BibDatabaseContext bibDatabaseContext, CitationKeyPatternPreferences citationKeyPatternPreferences) {
-        this(bibDatabaseContext.getMetaData().getCiteKeyPatterns(citationKeyPatternPreferences.getKeyPatterns()),
-                bibDatabaseContext.getDatabase(),
-                citationKeyPatternPreferences);
+        this(bibDatabaseContext.getMetaData().getCiteKeyPatterns(citationKeyPatternPreferences.getKeyPatterns()), bibDatabaseContext.getDatabase(), citationKeyPatternPreferences);
     }
 
     public CitationKeyGenerator(AbstractCitationKeyPatterns citeKeyPattern, BibDatabase database, CitationKeyPatternPreferences citationKeyPatternPreferences) {
@@ -78,12 +77,7 @@ public static String removeDefaultUnwantedCharacters(String key) {
     }
 
     public static String removeUnwantedCharacters(String key, String unwantedCharacters) {
-        String newKey = key.chars()
-                           .filter(c -> unwantedCharacters.indexOf(c) == -1)
-                           .filter(c -> !DISALLOWED_CHARACTERS.contains((char) c))
-                           .collect(StringBuilder::new,
-                                   StringBuilder::appendCodePoint, StringBuilder::append)
-                           .toString();
+        String newKey = key.chars().filter(c -> unwantedCharacters.indexOf(c) == -1).filter(c -> !DISALLOWED_CHARACTERS.contains((char) c)).collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append).toString();
 
         // Replace non-English characters like umlauts etc. with a sensible
         // letter or letter combination that bibtex can accept.
@@ -125,13 +119,11 @@ private String appendLettersToKey(String key, String oldKey) {
             occurrences--; // No change, so we can accept one dupe.
         }
 
-        boolean alwaysAddLetter = citationKeyPatternPreferences.getKeySuffix()
-                == CitationKeyPatternPreferences.KeySuffix.ALWAYS;
+        boolean alwaysAddLetter = citationKeyPatternPreferences.getKeySuffix() == CitationKeyPatternPreferences.KeySuffix.ALWAYS;
 
         if (alwaysAddLetter || occurrences != 0) {
             // The key is already in use, so we must modify it.
-            boolean firstLetterA = citationKeyPatternPreferences.getKeySuffix()
-                    == CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A;
+            boolean firstLetterA = citationKeyPatternPreferences.getKeySuffix() == CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A;
 
             int number = !alwaysAddLetter && !firstLetterA ? 1 : 0;
             String moddedKey;
diff --git a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
index cdab5361ccf..1453eefa356 100644
--- a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
+++ b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
@@ -1,8 +1,9 @@
 package org.jabref.logic.util.strings;
 
-import com.ibm.icu.text.Transliterator;
 import org.jabref.logic.citationkeypattern.CitationKeyGenerator;
 
+import com.ibm.icu.text.Transliterator;
+
 public class Transliteration {
 
     // This transliterator configuration will transliterate from any language to Latin script
diff --git a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
index bac7970b835..d5381784d24 100644
--- a/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
+++ b/jablib/src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java
@@ -1,11 +1,15 @@
 package org.jabref.logic.citationkeypattern;
 
+import java.util.Optional;
+import java.util.stream.Stream;
+
 import org.jabref.logic.importer.ImportFormatPreferences;
 import org.jabref.logic.importer.ParseException;
 import org.jabref.logic.importer.fileformat.BibtexParser;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.model.entry.field.StandardField;
+
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
@@ -14,9 +18,6 @@
 import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.Answers;
 
-import java.util.Optional;
-import java.util.stream.Stream;
-
 import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -100,78 +101,50 @@ static String generateKey(BibEntry entry, String pattern, BibDatabase database)
 
     static String generateKey(BibEntry entry, boolean transliterate, String pattern, BibDatabase database) {
         GlobalCitationKeyPatterns keyPattern = GlobalCitationKeyPatterns.fromPattern(pattern);
-        CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
-                transliterate,
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
-                "",
-                "",
-                DEFAULT_UNWANTED_CHARACTERS,
-                keyPattern,
-                "",
-                ',');
+        CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(transliterate, false, false, false, CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A, "", "", DEFAULT_UNWANTED_CHARACTERS, keyPattern, "", ',');
 
         return new CitationKeyGenerator(keyPattern, database, patternPreferences).generateKey(entry);
     }
 
     @Test
     void andInAuthorName() throws ParseException {
-        Optional<BibEntry> entry0 = BibtexParser.singleFromString("@ARTICLE{kohn, author={Simon Holland}}",
-                importFormatPreferences);
-        assertEquals("Holland",
-                CitationKeyGenerator.cleanKey(generateKey(entry0.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry0 = BibtexParser.singleFromString("@ARTICLE{kohn, author={Simon Holland}}", importFormatPreferences);
+        assertEquals("Holland", CitationKeyGenerator.cleanKey(generateKey(entry0.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void crossrefAndInAuthorNames() {
         BibDatabase database = new BibDatabase();
         BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "Simon Holland");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "Simon Holland");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("Holland",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("Holland", CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void andAuthorNames() throws ParseException {
         String bibtexString = "@ARTICLE{whatevery, author={Mari D. Herland and Mona-Iren Hauge and Ingeborg M. Helgeland}}";
         Optional<BibEntry> entry = BibtexParser.singleFromString(bibtexString, importFormatPreferences);
-        assertEquals("HerlandHaugeHelgeland",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[authors3]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("HerlandHaugeHelgeland", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[authors3]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void crossrefAndAuthorNames() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "Mari D. Herland and Mona-Iren Hauge and Ingeborg M. Helgeland");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "Mari D. Herland and Mona-Iren Hauge and Ingeborg M. Helgeland");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("HerlandHaugeHelgeland",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[authors3]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("HerlandHaugeHelgeland", CitationKeyGenerator.cleanKey(generateKey(entry1, "[authors3]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void specialLatexCharacterInAuthorName() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{kohn, author={Simon Popovi\\v{c}ov\\'{a}}}", importFormatPreferences);
-        assertEquals("Popovicova",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{kohn, author={Simon Popovi\\v{c}ov\\'{a}}}", importFormatPreferences);
+        assertEquals("Popovicova", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @ParameterizedTest(name = "bibtexString={0}, expectedResult={1}")
@@ -204,8 +177,7 @@ void specialLatexCharacterInAuthorName() throws ParseException {
             "@ARTICLE{kohn, author={Oraib Al-Ketan}, year={2000}}", "Al-",
             "@ARTICLE{kohn, author={Andrés D'Alessandro}, year={2000}}", "DAl",
             "@ARTICLE{kohn, author={Andrés Aʹrnold}, year={2000}}", "Arn"
-            """
-    )
+            """)
     void makeLabelAndCheckLegalKeys(String bibtexString, String expectedResult) throws ParseException {
         BibEntry bibEntry = BibtexParser.singleFromString(bibtexString, importFormatPreferences).get();
         String citationKey = generateKey(bibEntry, "[auth3]", new BibDatabase());
@@ -228,11 +200,8 @@ void firstAuthor() {
 
     @Test
     void university() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{kohn, author={{Link{\\\"{o}}ping University}}}", importFormatPreferences);
-        assertEquals("UniLinkoeping",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{kohn, author={{Link{\\\"{o}}ping University}}}", importFormatPreferences);
+        assertEquals("UniLinkoeping", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     /**
@@ -271,8 +240,7 @@ void university() throws ParseException {
             "Ḛ ḛ Ḭ ḭ Ṵ ṵ", "EeIiUu",
             "Ċ ċ Ė ė Ġ ġ İ ı Ż ż   Ą ą Ę ę Į į Ǫ ǫ Ų ų   ", "CcEeGgIiZzAaEeIiOoUu",
             "Ḍ ḍ Ḥ ḥ Ḷ ḷ Ḹ ḹ Ṃ ṃ Ṇ ṇ Ṛ ṛ Ṝ ṝ Ṣ ṣ Ṭ ṭ   ", "DdHhLlLlMmNnRrRrSsTt"
-            """
-    )
+            """)
     void checkLegalKey(String accents, String expectedResult) {
         assertEquals(expectedResult, CitationKeyGenerator.cleanKey(accents, DEFAULT_UNWANTED_CHARACTERS));
     }
@@ -280,114 +248,75 @@ void checkLegalKey(String accents, String expectedResult) {
     @Test
     void crossrefUniversity() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University}");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University}");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("UniLinkoeping",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("UniLinkoeping", CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void department() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{kohn, author={{Link{\\\"{o}}ping University, Department of Electrical Engineering}}}",
-                importFormatPreferences);
-        assertEquals("UniLinkoepingEE",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{kohn, author={{Link{\\\"{o}}ping University, Department of Electrical Engineering}}}", importFormatPreferences);
+        assertEquals("UniLinkoepingEE", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void crossrefDepartment() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University, Department of Electrical Engineering}");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University, Department of Electrical Engineering}");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("UniLinkoepingEE",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("UniLinkoepingEE", CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void school() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{kohn, author={{Link{\\\"{o}}ping University, School of Computer Engineering}}}",
-                importFormatPreferences);
-        assertEquals("UniLinkoepingCE",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{kohn, author={{Link{\\\"{o}}ping University, School of Computer Engineering}}}", importFormatPreferences);
+        assertEquals("UniLinkoepingCE", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void generateKeyAbbreviateCorporateAuthorDepartmentWithoutAcademicInstitute() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{null, author={{Department of Localhost NullGenerators}}}",
-                importFormatPreferences);
-        assertEquals("DLN",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{null, author={{Department of Localhost NullGenerators}}}", importFormatPreferences);
+        assertEquals("DLN", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void generateKeyAbbreviateCorporateAuthorSchoolWithoutAcademicInstitute() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{null, author={{The School of Null}}}",
-                importFormatPreferences);
-        assertEquals("SchoolNull",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{null, author={{The School of Null}}}", importFormatPreferences);
+        assertEquals("SchoolNull", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void crossrefSchool() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University, School of Computer Engineering}");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "{Link{\\\"{o}}ping University, School of Computer Engineering}");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("UniLinkoepingCE",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("UniLinkoepingCE", CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void instituteOfTechnology() throws ParseException {
-        Optional<BibEntry> entry = BibtexParser.singleFromString(
-                "@ARTICLE{kohn, author={{Massachusetts Institute of Technology}}}", importFormatPreferences);
-        assertEquals("MIT",
-                CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]",
-                        new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
+        Optional<BibEntry> entry = BibtexParser.singleFromString("@ARTICLE{kohn, author={{Massachusetts Institute of Technology}}}", importFormatPreferences);
+        assertEquals("MIT", CitationKeyGenerator.cleanKey(generateKey(entry.orElse(null), "[auth]", new BibDatabase()), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
     void crossrefInstituteOfTechnology() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.AUTHOR, "{Massachusetts Institute of Technology}");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.AUTHOR, "{Massachusetts Institute of Technology}");
         database.insertEntry(entry1);
         database.insertEntry(entry2);
 
-        assertEquals("MIT",
-                CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]",
-                        database), DEFAULT_UNWANTED_CHARACTERS));
+        assertEquals("MIT", CitationKeyGenerator.cleanKey(generateKey(entry1, "[auth]", database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
     @Test
@@ -509,25 +438,11 @@ void authors(String expectedKey, BibEntry entry, String pattern) {
     }
 
     static Stream<Arguments> authors() {
-        return Stream.of(
-                Arguments.of("Newton", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, "[authors]"),
-                Arguments.of("NewtonMaxwell", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, "[authors]"),
-                Arguments.of("NewtonMaxwellEinstein", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, "[authors]"),
-                Arguments.of("Newton-Maxwell-Einstein", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, "[authors:regex(\"(.)([A-Z])\",\"$1-$2\")]")
-        );
+        return Stream.of(Arguments.of("Newton", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, "[authors]"), Arguments.of("NewtonMaxwell", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, "[authors]"), Arguments.of("NewtonMaxwellEinstein", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, "[authors]"), Arguments.of("Newton-Maxwell-Einstein", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, "[authors:regex(\"(.)([A-Z])\",\"$1-$2\")]"));
     }
 
     static Stream<Arguments> authorsAlpha() {
-        return Stream.of(
-                Arguments.of("New", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORSALPHA),
-                Arguments.of("NM", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORSALPHA),
-                Arguments.of("NME", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORSALPHA),
-                Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORSALPHA),
-                Arguments.of("NME+", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_5, AUTHORSALPHA),
-                Arguments.of("vdAal", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_1, AUTHORSALPHA),
-                Arguments.of("vdAvL", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_2, AUTHORSALPHA),
-                Arguments.of("NM+", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_AND_OTHERS_COUNT_3, AUTHORSALPHA)
-        );
+        return Stream.of(Arguments.of("New", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORSALPHA), Arguments.of("NM", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORSALPHA), Arguments.of("NME", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORSALPHA), Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORSALPHA), Arguments.of("NME+", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_5, AUTHORSALPHA), Arguments.of("vdAal", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_1, AUTHORSALPHA), Arguments.of("vdAvL", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_2, AUTHORSALPHA), Arguments.of("NM+", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_AND_OTHERS_COUNT_3, AUTHORSALPHA));
     }
 
     @ParameterizedTest
@@ -537,16 +452,7 @@ void authorsAlphaLNI(String expected, BibEntry entry, String pattern) {
     }
 
     static Stream<Arguments> authorsAlphaLNI() {
-        return Stream.of(
-                Arguments.of("Ne", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORSALPHALNI),
-                Arguments.of("NM", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORSALPHALNI),
-                Arguments.of("NME", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORSALPHALNI),
-                Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORSALPHALNI),
-                Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_5, AUTHORSALPHALNI),
-                Arguments.of("Aa", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_1, AUTHORSALPHALNI),
-                Arguments.of("AL", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_2, AUTHORSALPHALNI),
-                Arguments.of("Ne", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_AND_OTHERS_COUNT_3, AUTHORSALPHALNI)
-        );
+        return Stream.of(Arguments.of("Ne", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORSALPHALNI), Arguments.of("NM", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORSALPHALNI), Arguments.of("NME", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORSALPHALNI), Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORSALPHALNI), Arguments.of("NMEB", AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_5, AUTHORSALPHALNI), Arguments.of("Aa", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_1, AUTHORSALPHALNI), Arguments.of("AL", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_WITH_VAN_COUNT_2, AUTHORSALPHALNI), Arguments.of("Ne", AUTHOR_FIRSTNAME_FULL_LASTNAME_FULL_AND_OTHERS_COUNT_3, AUTHORSALPHALNI));
     }
 
     @ParameterizedTest
@@ -621,14 +527,10 @@ void nAuthors1EmptyReturnEmpty() {
      */
     @Test
     void nAuthors3() {
-        assertEquals("Newton",
-                generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORN.formatted(3)));
-        assertEquals("NewtonMaxwell",
-                generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORN.formatted(3)));
-        assertEquals("NewtonMaxwellEinstein",
-                generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORN.formatted(3)));
-        assertEquals("NewtonMaxwellEinsteinEtAl",
-                generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORN.formatted(3)));
+        assertEquals("Newton", generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_1, AUTHORN.formatted(3)));
+        assertEquals("NewtonMaxwell", generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_2, AUTHORN.formatted(3)));
+        assertEquals("NewtonMaxwellEinstein", generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_3, AUTHORN.formatted(3)));
+        assertEquals("NewtonMaxwellEinsteinEtAl", generateKey(AUTHOR_FIRSTNAME_INITIAL_LASTNAME_FULL_COUNT_4, AUTHORN.formatted(3)));
     }
 
     @Test
@@ -698,30 +600,14 @@ void lastPageNull() {
     void veryShortTitle() {
         // veryShortTitle is getTitleWords with "1" as count
         int count = 1;
-        assertEquals("application",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH)));
-        assertEquals("BPEL", CitationKeyGenerator.getTitleWords(count,
-                CitationKeyGenerator.removeSmallWords(
-                        TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
-        assertEquals("Process", CitationKeyGenerator.getTitleWords(count,
-                CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED)));
-        assertEquals("BPMN",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD)));
-        assertEquals("Difference", CitationKeyGenerator.getTitleWords(count,
-                CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING)));
-        assertEquals("Cloud",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator
-                                .removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
-        assertEquals("Towards",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD)));
-        assertEquals("Measurement",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator
-                                .removeSmallWords(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS)));
+        assertEquals("application", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH)));
+        assertEquals("BPEL", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
+        assertEquals("Process", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED)));
+        assertEquals("BPMN", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD)));
+        assertEquals("Difference", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING)));
+        assertEquals("Cloud", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
+        assertEquals("Towards", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD)));
+        assertEquals("Measurement", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS)));
     }
 
     /**
@@ -731,28 +617,14 @@ void veryShortTitle() {
     void shortTitle() {
         // shortTitle is getTitleWords with "3" as count and removed small words
         int count = 3;
-        assertEquals("application migration effort",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH)));
-        assertEquals("BPEL conformance open",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
-        assertEquals("Process Viewing Patterns",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED)));
-        assertEquals("BPMN Conformance Open",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD)));
-        assertEquals("Difference Graph Based",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING)));
-        assertEquals("Cloud Computing: Next",
-                CitationKeyGenerator.getTitleWords(count,
-                        CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
-        assertEquals("Towards Choreography based",
-                CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD)));
-        assertEquals("Measurement Design Time",
-                CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS)));
+        assertEquals("application migration effort", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH)));
+        assertEquals("BPEL conformance open", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
+        assertEquals("Process Viewing Patterns", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED)));
+        assertEquals("BPMN Conformance Open", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD)));
+        assertEquals("Difference Graph Based", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING)));
+        assertEquals("Cloud Computing: Next", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON)));
+        assertEquals("Towards Choreography based", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD)));
+        assertEquals("Measurement Design Time", CitationKeyGenerator.getTitleWords(count, CitationKeyGenerator.removeSmallWords(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS)));
     }
 
     /**
@@ -761,23 +633,14 @@ void shortTitle() {
     @Test
     void camel() {
         // camel capitalises and concatenates all the words of the title
-        assertEquals("ApplicationMigrationEffortInTheCloudTheCaseOfCloudPlatforms",
-                CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH));
-        assertEquals("BPELConformanceInOpenSourceEnginesTheCaseOfStaticAnalysis",
-                CitationKeyGenerator.getCamelizedTitle(
-                        TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
+        assertEquals("ApplicationMigrationEffortInTheCloudTheCaseOfCloudPlatforms", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH));
+        assertEquals("BPELConformanceInOpenSourceEnginesTheCaseOfStaticAnalysis", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
         assertEquals("ProcessViewingPatterns", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED));
-        assertEquals("BPMNConformanceInOpenSourceEngines",
-                CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD));
-        assertEquals("TheDifferenceBetweenGraphBasedAndBlockStructuredBusinessProcessModellingLanguages",
-                CitationKeyGenerator.getCamelizedTitle(
-                        TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING));
-        assertEquals("CloudComputingTheNextRevolutionInIT",
-                CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
-        assertEquals("TowardsChoreographyBasedProcessDistributionInTheCloud",
-                CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD));
-        assertEquals("OnTheMeasurementOfDesignTimeAdaptabilityForProcessBasedSystems",
-                CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS));
+        assertEquals("BPMNConformanceInOpenSourceEngines", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD));
+        assertEquals("TheDifferenceBetweenGraphBasedAndBlockStructuredBusinessProcessModellingLanguages", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING));
+        assertEquals("CloudComputingTheNextRevolutionInIT", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
+        assertEquals("TowardsChoreographyBasedProcessDistributionInTheCloud", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD));
+        assertEquals("OnTheMeasurementOfDesignTimeAdaptabilityForProcessBasedSystems", CitationKeyGenerator.getCamelizedTitle(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS));
     }
 
     /**
@@ -787,29 +650,14 @@ void camel() {
     void title() {
         // title capitalises the significant words of the title
         // for the title case the concatenation happens at formatting, which is tested in MakeLabelWithDatabaseTest.java
-        assertEquals("Application Migration Effort in the Cloud the Case of Cloud Platforms",
-                CitationKeyGenerator
-                        .camelizeSignificantWordsInTitle(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH));
-        assertEquals("BPEL Conformance in Open Source Engines: the Case of Static Analysis",
-                CitationKeyGenerator.camelizeSignificantWordsInTitle(
-                        TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
-        assertEquals("Process Viewing Patterns",
-                CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED));
-        assertEquals("BPMN Conformance in Open Source Engines",
-                CitationKeyGenerator
-                        .camelizeSignificantWordsInTitle(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD));
-        assertEquals("The Difference between Graph Based and Block Structured Business Process Modelling Languages",
-                CitationKeyGenerator.camelizeSignificantWordsInTitle(
-                        TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING));
-        assertEquals("Cloud Computing: the Next Revolution in IT",
-                CitationKeyGenerator.camelizeSignificantWordsInTitle(
-                        TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
-        assertEquals("Towards Choreography Based Process Distribution in the Cloud",
-                CitationKeyGenerator
-                        .camelizeSignificantWordsInTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD));
-        assertEquals("On the Measurement of Design Time Adaptability for Process Based Systems",
-                CitationKeyGenerator.camelizeSignificantWordsInTitle(
-                        TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS));
+        assertEquals("Application Migration Effort in the Cloud the Case of Cloud Platforms", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_ALL_LOWER_FOUR_SMALL_WORDS_ONE_EN_DASH));
+        assertEquals("BPEL Conformance in Open Source Engines: the Case of Static Analysis", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_ALL_LOWER_FIRST_WORD_IN_BRACKETS_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
+        assertEquals("Process Viewing Patterns", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED));
+        assertEquals("BPMN Conformance in Open Source Engines", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED_ONE_UPPER_WORD_ONE_SMALL_WORD));
+        assertEquals("The Difference between Graph Based and Block Structured Business Process Modelling Languages", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AT_THE_BEGINNING));
+        assertEquals("Cloud Computing: the Next Revolution in IT", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_SMALL_WORD_AFTER_COLON));
+        assertEquals("Towards Choreography Based Process Distribution in the Cloud", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED_TWO_SMALL_WORDS_ONE_CONNECTED_WORD));
+        assertEquals("On the Measurement of Design Time Adaptability for Process Based Systems", CitationKeyGenerator.camelizeSignificantWordsInTitle(TITLE_STRING_CASED_FOUR_SMALL_WORDS_TWO_CONNECTED_WORDS));
     }
 
     @Test
@@ -828,10 +676,8 @@ void keywordNKeywordsSeparatedBySpace() {
     @Test
     void crossrefkeywordNKeywordsSeparatedBySpace() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2");
         database.insertEntry(entry2);
         database.insertEntry(entry1);
         entry2.setField(StandardField.KEYWORDS, "w1, w2a w2b, w3");
@@ -856,11 +702,8 @@ void keywordsNKeywordsSeparatedBySpace() {
     @Test
     void crossrefkeywordsNKeywordsSeparatedBySpace() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.KEYWORDS, "w1, w2a w2b, w3");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.KEYWORDS, "w1, w2a w2b, w3");
         database.insertEntry(entry2);
         database.insertEntry(entry1);
 
@@ -891,33 +734,25 @@ void checkLegalNullInNullOut() {
     void applyModifiers() {
         BibEntry entry = new BibEntry().withField(StandardField.TITLE, "Green Scheduling of Whatever");
         assertEquals("GSo", generateKey(entry, "[shorttitleINI]"));
-        assertEquals("GreenSchedulingWhatever", generateKey(entry, "[shorttitle]",
-                new BibDatabase()));
+        assertEquals("GreenSchedulingWhatever", generateKey(entry, "[shorttitle]", new BibDatabase()));
     }
 
     @Test
     void crossrefShorttitle() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.TITLE, "Green Scheduling of Whatever");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.TITLE, "Green Scheduling of Whatever");
         database.insertEntry(entry2);
         database.insertEntry(entry1);
 
-        assertEquals("GreenSchedulingWhatever", generateKey(entry1, "[shorttitle]",
-                database));
+        assertEquals("GreenSchedulingWhatever", generateKey(entry1, "[shorttitle]", database));
     }
 
     @Test
     void crossrefShorttitleInitials() {
         BibDatabase database = new BibDatabase();
-        BibEntry entry1 = new BibEntry()
-                .withField(StandardField.CROSSREF, "entry2");
-        BibEntry entry2 = new BibEntry()
-                .withCitationKey("entry2")
-                .withField(StandardField.TITLE, "Green Scheduling of Whatever");
+        BibEntry entry1 = new BibEntry().withField(StandardField.CROSSREF, "entry2");
+        BibEntry entry2 = new BibEntry().withCitationKey("entry2").withField(StandardField.TITLE, "Green Scheduling of Whatever");
         database.insertEntry(entry2);
         database.insertEntry(entry1);
 
@@ -980,37 +815,28 @@ void generateKeyWithTitleSentenceCaseModifier() {
 
     @Test
     void generateKeyWithAuthUpperYearShortTitleCapitalizeModifier() {
-        BibEntry entry = new BibEntry()
-                .withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_1)
-                .withField(StandardField.YEAR, "2019")
-                .withField(StandardField.TITLE, "the InTeresting title longer than THREE words");
+        BibEntry entry = new BibEntry().withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_1).withField(StandardField.YEAR, "2019").withField(StandardField.TITLE, "the InTeresting title longer than THREE words");
 
         assertEquals("NEWTON2019InterestingTitleLonger", generateKey(entry, "[auth:upper][year][shorttitle:capitalize]"));
     }
 
     @Test
     void generateKeyWithYearAuthUpperTitleSentenceCaseModifier() {
-        BibEntry entry = new BibEntry()
-                .withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_3)
-                .withField(StandardField.YEAR, "2019")
-                .withField(StandardField.TITLE, "the InTeresting title longer than THREE words");
+        BibEntry entry = new BibEntry().withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_3).withField(StandardField.YEAR, "2019").withField(StandardField.TITLE, "the InTeresting title longer than THREE words");
 
         assertEquals("NewtonMaxwellEtAl_2019_TheInterestingTitleLongerThanThreeWords", generateKey(entry, "[authors2]_[year]_[title:capitalize]"));
     }
 
     @Test
     void generateKeyWithMinusInCitationStyleOutsideAField() {
-        BibEntry entry = new BibEntry()
-                .withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_1)
-                .withField(StandardField.YEAR, "2019");
+        BibEntry entry = new BibEntry().withField(StandardField.AUTHOR, AUTHOR_STRING_FIRSTNAME_FULL_LASTNAME_FULL_COUNT_1).withField(StandardField.YEAR, "2019");
 
         assertEquals("Newton-2019", generateKey(entry, "[auth]-[year]"));
     }
 
     @Test
     void generateKeyWithWithFirstNCharacters() {
-        BibEntry entry = new BibEntry().withField(StandardField.AUTHOR, "Newton, Isaac")
-                                       .withField(StandardField.YEAR, "2019");
+        BibEntry entry = new BibEntry().withField(StandardField.AUTHOR, "Newton, Isaac").withField(StandardField.YEAR, "2019");
 
         assertEquals("newt-2019", generateKey(entry, "[auth4:lower]-[year]"));
     }
@@ -1047,22 +873,11 @@ void generateKeyWithModifierContainingRegexCharacterClass() {
     void generateKeyDoesNotModifyTheKeyWithIncorrectRegexReplacement() {
         String pattern = "[title]";
         GlobalCitationKeyPatterns keyPattern = GlobalCitationKeyPatterns.fromPattern(pattern);
-        CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(
-                true,
-                false,
-                false,
-                false,
-                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
-                "[", // Invalid regexp
-                "",
-                DEFAULT_UNWANTED_CHARACTERS,
-                keyPattern,
-                "",
-                ',');
+        CitationKeyPatternPreferences patternPreferences = new CitationKeyPatternPreferences(true, false, false, false, CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A, "[", // Invalid regexp
+                "", DEFAULT_UNWANTED_CHARACTERS, keyPattern, "", ',');
 
         BibEntry bibEntry = new BibEntry().withField(StandardField.TITLE, "Wickedness Managing");
-        assertEquals("WickednessManaging",
-                new CitationKeyGenerator(keyPattern, new BibDatabase(), patternPreferences).generateKey(bibEntry));
+        assertEquals("WickednessManaging", new CitationKeyGenerator(keyPattern, new BibDatabase(), patternPreferences).generateKey(bibEntry));
     }
 
     @Test

From 315b4efb3e0d4ae06a9fe9dce8268c59a73a1b69 Mon Sep 17 00:00:00 2001
From: Ruslan Popov <ruslanpopov1512@gmail.com>
Date: Thu, 6 Nov 2025 14:02:03 +0100
Subject: [PATCH 8/9] refactor(citationkey): append "for citation key" to
 "Transliterate fields" + change tests

---
 .../CitationKeyPatternTab.java                |  4 ++--
 .../CitationKeyPatternTabViewModel.java       | 10 ++++-----
 .../CitationKeyGenerator.java                 |  4 ++--
 .../CitationKeyGeneratorTestUtils.java        | 22 +++++++++++++++++++
 .../CitationKeyPatternPreferences.java        | 22 +++++++++----------
 .../preferences/JabRefCliPreferences.java     | 10 ++++-----
 .../logic/util/strings/Transliteration.java   |  2 +-
 .../main/resources/l10n/JabRef_en.properties  |  4 ++++
 .../util/strings/TransliterationTest.java     | 18 +++++++--------
 9 files changed, 61 insertions(+), 35 deletions(-)
 create mode 100644 jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTestUtils.java

diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
index 984802ec3c0..5e58d7297c2 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTab.java
@@ -16,7 +16,7 @@
 
 public class CitationKeyPatternTab extends AbstractPreferenceTabView<CitationKeyPatternTabViewModel> implements PreferencesTab {
 
-    @FXML private CheckBox transliterateFields;
+    @FXML private CheckBox transliterateFieldsForCitationKey;
     @FXML private CheckBox overwriteAllow;
     @FXML private CheckBox overwriteWarning;
     @FXML private CheckBox generateOnSave;
@@ -43,7 +43,7 @@ public String getTabName() {
     public void initialize() {
         this.viewModel = new CitationKeyPatternTabViewModel(preferences.getCitationKeyPatternPreferences(), preferences.getImporterPreferences());
 
-        transliterateFields.selectedProperty().bindBidirectional(viewModel.transliterateFieldsProperty());
+        transliterateFieldsForCitationKey.selectedProperty().bindBidirectional(viewModel.transliterateFieldsForCitationKeyProperty());
         overwriteAllow.selectedProperty().bindBidirectional(viewModel.overwriteAllowProperty());
         overwriteWarning.selectedProperty().bindBidirectional(viewModel.overwriteWarningProperty());
         generateOnSave.selectedProperty().bindBidirectional(viewModel.generateOnSaveProperty());
diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
index f9c7a32320f..387495d4571 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/citationkeypattern/CitationKeyPatternTabViewModel.java
@@ -19,7 +19,7 @@
 
 public class CitationKeyPatternTabViewModel implements PreferenceTabViewModel {
 
-    private final BooleanProperty transliterateFieldsProperty = new SimpleBooleanProperty();
+    private final BooleanProperty transliterateFieldsForCitationKeyProperty = new SimpleBooleanProperty();
     private final BooleanProperty overwriteAllowProperty = new SimpleBooleanProperty();
     private final BooleanProperty overwriteWarningProperty = new SimpleBooleanProperty();
     private final BooleanProperty generateOnSaveProperty = new SimpleBooleanProperty();
@@ -54,7 +54,7 @@ public CitationKeyPatternTabViewModel(CitationKeyPatternPreferences keyPatternPr
 
     @Override
     public void setValues() {
-        transliterateFieldsProperty.setValue(keyPatternPreferences.shouldTransliterateFields());
+        transliterateFieldsForCitationKeyProperty.setValue(keyPatternPreferences.shouldTransliterateFieldsForCitationKey());
         overwriteAllowProperty.setValue(!keyPatternPreferences.shouldAvoidOverwriteCiteKey());
         overwriteWarningProperty.setValue(keyPatternPreferences.shouldWarnBeforeOverwriteCiteKey());
         generateOnSaveProperty.setValue(keyPatternPreferences.shouldGenerateCiteKeysBeforeSaving());
@@ -108,7 +108,7 @@ public void storeSettings() {
             keySuffix = CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_B;
         }
 
-        keyPatternPreferences.setShouldTransliterateFields(transliterateFieldsProperty.getValue());
+        keyPatternPreferences.setShouldTransliterateFieldsForCitationKey(transliterateFieldsForCitationKeyProperty.getValue());
         keyPatternPreferences.setAvoidOverwriteCiteKey(!overwriteAllowProperty.getValue());
         keyPatternPreferences.setWarnBeforeOverwriteCiteKey(overwriteWarningProperty.getValue());
         keyPatternPreferences.setGenerateCiteKeysBeforeSaving(generateOnSaveProperty.getValue());
@@ -120,8 +120,8 @@ public void storeSettings() {
         keyPatternPreferences.setKeyPatterns(newKeyPattern);
     }
 
-    public BooleanProperty transliterateFieldsProperty() {
-        return transliterateFieldsProperty;
+    public BooleanProperty transliterateFieldsForCitationKeyProperty() {
+        return transliterateFieldsForCitationKeyProperty;
     }
 
     public BooleanProperty overwriteAllowProperty() {
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
index 0037c5ca9f2..4f955c8174b 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java
@@ -7,8 +7,8 @@
 import java.util.function.Function;
 import java.util.regex.PatternSyntaxException;
 
-import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.logic.util.strings.StringUtil;
+import org.jabref.logic.util.strings.Transliteration;
 import org.jabref.model.FieldChange;
 import org.jabref.model.database.BibDatabase;
 import org.jabref.model.database.BibDatabaseContext;
@@ -149,7 +149,7 @@ private String appendLettersToKey(String key, String oldKey) {
     }
 
     public String transliterateIfNeeded(String key) {
-        if (!citationKeyPatternPreferences.shouldTransliterateFields()) {
+        if (!citationKeyPatternPreferences.shouldTransliterateFieldsForCitationKey()) {
             return key;
         }
 
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTestUtils.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTestUtils.java
new file mode 100644
index 00000000000..840618d0823
--- /dev/null
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTestUtils.java
@@ -0,0 +1,22 @@
+package org.jabref.logic.citationkeypattern;
+
+import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
+
+public class CitationKeyGeneratorTestUtils {
+
+    public static CitationKeyPatternPreferences getInstanceForTesting() {
+        return new CitationKeyPatternPreferences(
+                true,
+                false,
+                false,
+                false,
+                CitationKeyPatternPreferences.KeySuffix.SECOND_WITH_A,
+                "",
+                "",
+                DEFAULT_UNWANTED_CHARACTERS,
+                GlobalCitationKeyPatterns.fromPattern("[auth][year]"),
+                "",
+                ','
+        );
+    }
+}
diff --git a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
index 74e38900cd4..dc16010670a 100644
--- a/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/citationkeypattern/CitationKeyPatternPreferences.java
@@ -18,7 +18,7 @@ public enum KeySuffix {
         SECOND_WITH_B   // CiteKey, CiteKeyB, CiteKeyC ...
     }
 
-    private final BooleanProperty shouldTransliterateFields = new SimpleBooleanProperty();
+    private final BooleanProperty shouldTransliterateFieldsForCitationKey = new SimpleBooleanProperty();
     private final BooleanProperty shouldAvoidOverwriteCiteKey = new SimpleBooleanProperty();
     private final BooleanProperty shouldWarnBeforeOverwriteCiteKey = new SimpleBooleanProperty();
     private final BooleanProperty shouldGenerateCiteKeysBeforeSaving = new SimpleBooleanProperty();
@@ -30,7 +30,7 @@ public enum KeySuffix {
     private final String defaultPattern;
     private final ReadOnlyObjectProperty<Character> keywordDelimiter;
 
-    public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
+    public CitationKeyPatternPreferences(boolean shouldTransliterateFieldsForCitationKey,
                                          boolean shouldAvoidOverwriteCiteKey,
                                          boolean shouldWarnBeforeOverwriteCiteKey,
                                          boolean shouldGenerateCiteKeysBeforeSaving,
@@ -42,7 +42,7 @@ public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
                                          String defaultPattern,
                                          ReadOnlyObjectProperty<Character> keywordDelimiter) {
 
-        this.shouldTransliterateFields.set(shouldTransliterateFields);
+        this.shouldTransliterateFieldsForCitationKey.set(shouldTransliterateFieldsForCitationKey);
         this.shouldAvoidOverwriteCiteKey.set(shouldAvoidOverwriteCiteKey);
         this.shouldWarnBeforeOverwriteCiteKey.set(shouldWarnBeforeOverwriteCiteKey);
         this.shouldGenerateCiteKeysBeforeSaving.set(shouldGenerateCiteKeysBeforeSaving);
@@ -57,7 +57,7 @@ public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
     }
 
     @VisibleForTesting
-    public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
+    public CitationKeyPatternPreferences(boolean shouldTransliterateFieldsForCitationKey,
                                          boolean shouldAvoidOverwriteCiteKey,
                                          boolean shouldWarnBeforeOverwriteCiteKey,
                                          boolean shouldGenerateCiteKeysBeforeSaving,
@@ -69,7 +69,7 @@ public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
                                          String defaultPattern,
                                          Character keywordDelimiter) {
 
-        this(shouldTransliterateFields,
+        this(shouldTransliterateFieldsForCitationKey,
                 shouldAvoidOverwriteCiteKey,
                 shouldWarnBeforeOverwriteCiteKey,
                 shouldGenerateCiteKeysBeforeSaving,
@@ -82,16 +82,16 @@ public CitationKeyPatternPreferences(boolean shouldTransliterateFields,
                 new SimpleObjectProperty<>(keywordDelimiter));
     }
 
-    public boolean shouldTransliterateFields() {
-        return shouldTransliterateFields.get();
+    public boolean shouldTransliterateFieldsForCitationKey() {
+        return shouldTransliterateFieldsForCitationKey.get();
     }
 
-    public BooleanProperty shouldTransliterateFieldsProperty() {
-        return shouldTransliterateFields;
+    public BooleanProperty shouldTransliterateFieldsForCitationKeyProperty() {
+        return shouldTransliterateFieldsForCitationKey;
     }
 
-    public void setShouldTransliterateFields(boolean shouldTransliterateFields) {
-        this.shouldTransliterateFields.set(shouldTransliterateFields);
+    public void setShouldTransliterateFieldsForCitationKey(boolean shouldTransliterateFieldsForCitationKey) {
+        this.shouldTransliterateFieldsForCitationKey.set(shouldTransliterateFieldsForCitationKey);
     }
 
     public boolean shouldAvoidOverwriteCiteKey() {
diff --git a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
index 9d8dc627883..33c90dd4dad 100644
--- a/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
+++ b/jablib/src/main/java/org/jabref/logic/preferences/JabRefCliPreferences.java
@@ -240,7 +240,7 @@ public class JabRefCliPreferences implements CliPreferences {
     public static final String UNWANTED_CITATION_KEY_CHARACTERS = "defaultUnwantedBibtexKeyCharacters";
     public static final String CONFIRM_LINKED_FILE_DELETE = "confirmLinkedFileDelete";
     public static final String TRASH_INSTEAD_OF_DELETE = "trashInsteadOfDelete";
-    public static final String TRANSLITERATE_FIELDS = "transliterateFields";
+    public static final String TRANSLITERATE_FIELDS_FOR_CITATION_KEY = "transliterateFields";
     public static final String WARN_BEFORE_OVERWRITING_KEY = "warnBeforeOverwritingKey";
     public static final String AVOID_OVERWRITING_KEY = "avoidOverwritingKey";
     public static final String AUTOLINK_EXACT_KEY_ONLY = "autolinkExactKeyOnly";
@@ -650,7 +650,7 @@ public JabRefCliPreferences() {
 
         defaults.put(USE_OWNER, Boolean.FALSE);
         defaults.put(OVERWRITE_OWNER, Boolean.FALSE);
-        defaults.put(TRANSLITERATE_FIELDS, Boolean.FALSE);
+        defaults.put(TRANSLITERATE_FIELDS_FOR_CITATION_KEY, Boolean.FALSE);
         defaults.put(AVOID_OVERWRITING_KEY, Boolean.FALSE);
         defaults.put(WARN_BEFORE_OVERWRITING_KEY, Boolean.TRUE);
         defaults.put(CONFIRM_LINKED_FILE_DELETE, Boolean.TRUE);
@@ -1543,7 +1543,7 @@ public CitationKeyPatternPreferences getCitationKeyPatternPreferences() {
         }
 
         citationKeyPatternPreferences = new CitationKeyPatternPreferences(
-                getBoolean(TRANSLITERATE_FIELDS),
+                getBoolean(TRANSLITERATE_FIELDS_FOR_CITATION_KEY),
                 getBoolean(AVOID_OVERWRITING_KEY),
                 getBoolean(WARN_BEFORE_OVERWRITING_KEY),
                 getBoolean(GENERATE_KEYS_BEFORE_SAVING),
@@ -1555,8 +1555,8 @@ public CitationKeyPatternPreferences getCitationKeyPatternPreferences() {
                 (String) defaults.get(DEFAULT_CITATION_KEY_PATTERN),
                 getBibEntryPreferences().keywordSeparatorProperty());
 
-        EasyBind.listen(citationKeyPatternPreferences.shouldTransliterateFieldsProperty(),
-                (_, _, newValue) -> putBoolean(TRANSLITERATE_FIELDS, newValue));
+        EasyBind.listen(citationKeyPatternPreferences.shouldTransliterateFieldsForCitationKeyProperty(),
+                (_, _, newValue) -> putBoolean(TRANSLITERATE_FIELDS_FOR_CITATION_KEY, newValue));
         EasyBind.listen(citationKeyPatternPreferences.shouldAvoidOverwriteCiteKeyProperty(),
                 (_, _, newValue) -> putBoolean(AVOID_OVERWRITING_KEY, newValue));
         EasyBind.listen(citationKeyPatternPreferences.shouldWarnBeforeOverwriteCiteKeyProperty(),
diff --git a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
index 1453eefa356..031404f8601 100644
--- a/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
+++ b/jablib/src/main/java/org/jabref/logic/util/strings/Transliteration.java
@@ -24,6 +24,6 @@ private static String buildTransliteratorConfig() {
             pattern.append("\\").append(c);
         }
 
-        return "Any-Latin; Latin-ASCII; Title; [" + pattern + "] Remove";
+        return "Any-Latin; Latin-ASCII; [" + pattern + "] Remove";
     }
 }
diff --git a/jablib/src/main/resources/l10n/JabRef_en.properties b/jablib/src/main/resources/l10n/JabRef_en.properties
index afeded9b9ad..73f5a5ccebc 100644
--- a/jablib/src/main/resources/l10n/JabRef_en.properties
+++ b/jablib/src/main/resources/l10n/JabRef_en.properties
@@ -1365,6 +1365,10 @@ Convert\ to\ BibTeX\ format\ (e.g.,\ store\ publication\ date\ in\ year\ and\ mo
 Convert\ MSC\ Keyword\ codes\ to\ their\ respective\ descriptions.=Convert MSC Keyword codes to their respective descriptions.
 MSC\ Codes\ to\ Descriptions=MSC Codes to Descriptions
 
+Converts\ non-Latin\ characters\ to\ their\ Latin\ equivalents.=Converts non-Latin characters to their Latin equivalents.
+Transliterate=Transliterate
+Transliterate\ fields\ for\ citation\ key=Transliterate fields for citation key
+
 Deprecated\ fields=Deprecated fields
 
 Shows\ fields\ having\ a\ successor\ in\ biblatex.=Shows fields having a successor in biblatex.
diff --git a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
index 782be9fe91b..e6e25a6b751 100644
--- a/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
+++ b/jablib/src/test/java/org/jabref/logic/util/strings/TransliterationTest.java
@@ -8,15 +8,15 @@
 class TransliterationTest {
     @ParameterizedTest(name = "string={0}, expected={1}")
     @CsvSource({
-            "Hello, Hello",            // English
-            "Grüße, Grusse",           // German
-            "संस्कृतम्, Sanskrtam",        // Sanskrit
-            "नमस्ते, Namaste",            // Hindi
-            "Привет, Privet",          // Russian
-            "Привіт, Privit",          // Ukrainian, though "Pryvit" is better for the expected result.
-            "你好, Ni Hao",             // Chinese
-            "안녕하세요, Annyeonghaseyo", // Korean
-            "مرحبا, Mrhba"             // Arabic
+            "Hello, Hello",             // English
+            // "Grüße, Grusse",         // Commenting out, as ideally it should be `ue` instead of just `u`.
+            "संस्कृतम्, sanskrtam",         // Sanskrit
+            "नमस्ते, namaste",             // Hindi
+            "Привет, Privet",           // Russian
+            "Привіт, Privit",           // Ukrainian, though "Pryvit" is better for the expected result.
+            "你好, ni hao",              // Chinese
+            "안녕하세요, annyeonghaseyo", // Korean
+            "مرحبا, mrhba"              // Arabic
     })
     void transliterates(String string, String expected) {
         assertEquals(expected, Transliteration.transliterate(string));

From 2c7670588202b4660acb78209fd0b4f77263e939 Mon Sep 17 00:00:00 2001
From: Ruslan Popov <ruslanpopov1512@gmail.com>
Date: Thu, 6 Nov 2025 14:10:48 +0100
Subject: [PATCH 9/9] chore(changelog): update CHANGELOG.md

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8479a7ca17d..886e24e64af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 ### Added
 
 - We added automatic date-based groups that create year/month/day subgroups from an entry’s date fields. [#10822](https://github.com/JabRef/jabref/issues/10822)
+- We added support for transliteration of fields to English and automatic transliteration of generated citation key. [#11377](https://github.com/JabRef/jabref/issues/11377) [#9605](https://github.com/JabRef/jabref/issues/9605)
 
 ### Changed
 
@@ -54,7 +55,6 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added an option to choose the group during import of the entry(s). [#9191](https://github.com/JabRef/jabref/issues/9191)
 - We added an option to search and filter the fields and formatters in the Clean up entries dialog. [#13890](https://github.com/JabRef/jabref/issues/13890)
 - We added support for managing multiple linked files via the entry context menu. [#12567](https://github.com/JabRef/jabref/issues/12567)
-- We added support for transliteration of citation keys. [#11377](https://github.com/JabRef/jabref/issues/11377) [#9605](https://github.com/JabRef/jabref/issues/9605)
 
 ### Changed