diff --git a/lang/af.yml b/lang/af.yml
index 6b1343e92..a1b6db017 100644
--- a/lang/af.yml
+++ b/lang/af.yml
@@ -388,34 +388,25 @@ af:
   MemberAuthenticator:
     TITLE: 'E-mail & Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ar.yml b/lang/ar.yml
index cbd46eb60..4450cbd60 100644
--- a/lang/ar.yml
+++ b/lang/ar.yml
@@ -388,34 +388,25 @@ ar:
   MemberAuthenticator:
     TITLE: 'البريد الإلكتروني &amp; كلمة المرور'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ast.yml b/lang/ast.yml
index e270419db..ff3818260 100644
--- a/lang/ast.yml
+++ b/lang/ast.yml
@@ -388,34 +388,25 @@ ast:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/az.yml b/lang/az.yml
index 0f109fa7e..d7dcb7dac 100644
--- a/lang/az.yml
+++ b/lang/az.yml
@@ -388,34 +388,25 @@ az:
   MemberAuthenticator:
     TITLE: 'E-poçt &amp; Parol'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/bg.yml b/lang/bg.yml
index 3fe497319..fb884d3d8 100644
--- a/lang/bg.yml
+++ b/lang/bg.yml
@@ -388,34 +388,25 @@ bg:
   MemberAuthenticator:
     TITLE: 'email и парола'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'АМ (преди обед) или РМ (следобед)'
     'APPLY FILTER': 'Приложи филтър'
     Custom: Custom
     DATEFORMATBAD: 'Невалиден формат на датата'
     DAYNOLEADING: 'Ден от месеца без водеща нула'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Четирицифрена година'
+    FULLNAMEMONTH: 'Пълно наименование на месец (напр. Януари)'
+    HOURNOLEADING: 'Час без водеща нула'
+    MINUTENOLEADING: 'Минути без водеща нула'
     MONTHNOLEADING: 'Месец без водеща нула'
     Preview: Преглед
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Кратко изписване на месеца (напр. Яну)'
     TOGGLEHELP: 'Помощ за форматирането'
     TWODIGITDAY: 'Двуцифрен ден от месеца'
     TWODIGITHOUR: 'Час с водеща нула (00 до 23)'
     TWODIGITMINUTE: 'Минути с водеща нула (00 до 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Месец с водеща нула (01=Януари, и т.н.)'
+    TWODIGITSECOND: 'Секунди с водеща нула (00 до 59)'
     TWODIGITYEAR: 'Двуцифрена година'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/bs.yml b/lang/bs.yml
index fe83ea879..8939e6263 100644
--- a/lang/bs.yml
+++ b/lang/bs.yml
@@ -388,34 +388,25 @@ bs:
   MemberAuthenticator:
     TITLE: 'E-mail i šifra'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ca.yml b/lang/ca.yml
index 21c08a394..998780100 100644
--- a/lang/ca.yml
+++ b/lang/ca.yml
@@ -388,34 +388,25 @@ ca:
   MemberAuthenticator:
     TITLE: 'Correu electrònic i contrasenya'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/cs.yml b/lang/cs.yml
index e867e27c5..8447c20cd 100644
--- a/lang/cs.yml
+++ b/lang/cs.yml
@@ -388,34 +388,25 @@ cs:
   MemberAuthenticator:
     TITLE: 'E-mail a Heslo'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (před polednem) nebo PM (odpoledne)'
     'APPLY FILTER': 'Použít filtr'
     Custom: Uživatelské
     DATEFORMATBAD: 'Formát datumu je neplatný'
     DAYNOLEADING: 'Den měsíce bez úvodní nuly'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Jedna nebo více číslic zastupující desetinný zlomek vteřiny'
+    FOURDIGITYEAR: 'Čtyřčíslí roku'
+    FULLNAMEMONTH: 'Celý název měsíce (např. Červen)'
+    HOURNOLEADING: 'Hodina bez úvodní nuly'
+    MINUTENOLEADING: 'Minuta bez úvodní nuly'
     MONTHNOLEADING: 'Číslo měsíce bez úvodní nuly'
     Preview: Náhled
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Krátký název měsíce (např. Čer)'
     TOGGLEHELP: 'Přepni nápovědu formátování'
     TWODIGITDAY: 'Dvojčíslí dne měsíce'
     TWODIGITHOUR: 'Dvojčíslí hodiny (00 až 23)'
     TWODIGITMINUTE: 'Dvojčíslí minuty (00 až 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Dvojčíslí měsíce (01=Leden, atď.)'
+    TWODIGITSECOND: 'Dvojčíslí vteřiny (00 až 59)'
     TWODIGITYEAR: 'Dvojčíslí roku'
   MemberImportForm:
     Help1: '<p>Import členů v <em>CSV formátu</em> (čárkou-oddělené hodnoty). <small><a href="#" class="toggle-advanced">Zobrazit rozšířené použití</a></small></p>'
diff --git a/lang/da.yml b/lang/da.yml
index 410be01f9..ad4f1ce1e 100644
--- a/lang/da.yml
+++ b/lang/da.yml
@@ -388,34 +388,25 @@ da:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/de.yml b/lang/de.yml
index 6a34cbf04..309febd03 100644
--- a/lang/de.yml
+++ b/lang/de.yml
@@ -388,34 +388,25 @@ de:
   MemberAuthenticator:
     TITLE: 'E-Mail &amp; Passwort'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (vormittag) oder PM (nachmittag)'
     'APPLY FILTER': 'Filter anwenden'
     Custom: Benutzerdefiniert
     DATEFORMATBAD: 'Ungültiges Datumsformat'
     DAYNOLEADING: 'Tag des Monats ohne führende Null'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Eine oder mehrere Ziffern, die einen Dezimalbruch einer Sekunde darstellen'
+    FOURDIGITYEAR: 'Vierstellige Jahreszahl'
+    FULLNAMEMONTH: 'Volle Monatsbezeichnung (z.B. Juni)'
+    HOURNOLEADING: 'Stunde ohne führende Null'
+    MINUTENOLEADING: Minute
     MONTHNOLEADING: 'Monat ohne führende Null'
     Preview: Vorschau
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Kurzname des Monats (z.B. Jun)'
     TOGGLEHELP: 'Formatierungshilfe anzeigen'
     TWODIGITDAY: 'Tag des Monats mit führender Null'
     TWODIGITHOUR: 'Stunde im 24-Stunden-Format, mit führenden Nullen'
     TWODIGITMINUTE: 'Minute mit führenden Nullen'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Monat mit führender Null (z.B. 01 = Januar, usw.)'
+    TWODIGITSECOND: Sekunde
     TWODIGITYEAR: 'Zweistellige Jahreszahl'
   MemberImportForm:
     Help1: '<p>Mitglieder im <em>CSV</em>-Format (kommaseparierte Werte) importieren. <small><a href="#" class="toggle-advanced">Erweiterte Nutzung</a></small></p>'
diff --git a/lang/el.yml b/lang/el.yml
index a9d7cf878..8a5d88038 100644
--- a/lang/el.yml
+++ b/lang/el.yml
@@ -388,34 +388,25 @@ el:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/en_GB.yml b/lang/en_GB.yml
index d6f5a7905..4d8842994 100644
--- a/lang/en_GB.yml
+++ b/lang/en_GB.yml
@@ -388,34 +388,25 @@ en_GB:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/eo.yml b/lang/eo.yml
index 8bf453051..23088f12c 100644
--- a/lang/eo.yml
+++ b/lang/eo.yml
@@ -388,34 +388,25 @@ eo:
   MemberAuthenticator:
     TITLE: 'Retpoŝto &amp; Pasvorto'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Gravaj membroj en <em>CSV-formato</em> (perkome disigitaj valoroj ). <small><a href="#" class="toggle-advanced">Vidigi spertulan uzadon</a></small></p>'
diff --git a/lang/es.yml b/lang/es.yml
index a205904d2..891947a16 100644
--- a/lang/es.yml
+++ b/lang/es.yml
@@ -388,34 +388,25 @@ es:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Contraseña'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/es_AR.yml b/lang/es_AR.yml
index 2158b1d7e..ac8fe9997 100644
--- a/lang/es_AR.yml
+++ b/lang/es_AR.yml
@@ -388,34 +388,25 @@ es_AR:
   MemberAuthenticator:
     TITLE: 'Email  &amp; Contraseña'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Importar miembros en <em>formato CSV</em> (valores separados por comas). <small><a href="#" class="toggle-advanced">Mostrar uso avanzado</a></small></p>'
diff --git a/lang/es_MX.yml b/lang/es_MX.yml
index 404c377d0..f8f642f9a 100644
--- a/lang/es_MX.yml
+++ b/lang/es_MX.yml
@@ -388,34 +388,25 @@ es_MX:
   MemberAuthenticator:
     TITLE: 'Correo-e y Contraseña'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (ante meridian) o PM (post meridiano)'
     'APPLY FILTER': Filtro
     Custom: 'A medida'
     DATEFORMATBAD: 'El formato de fecha es invalido'
     DAYNOLEADING: 'Dia del mes sin cero a la izquierda'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Uno o más dígitos representando una fracción decimal de un segundo'
+    FOURDIGITYEAR: 'Año de 4 dígitos'
+    FULLNAMEMONTH: 'Nombre completo del mes (ej: Junio)'
+    HOURNOLEADING: 'Hora sin cero a la izquierda'
+    MINUTENOLEADING: 'Minuto sin cero a la izquierda'
     MONTHNOLEADING: 'Dígito del mes  sin cero'
     Preview: Previo
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Nombre corto del mes (ej: Jun)'
     TOGGLEHELP: 'Mostrar la ayuda de formato'
     TWODIGITDAY: 'Dia del mes de dos dígitos'
     TWODIGITHOUR: 'Dos dígitos de la hora (00 a 23)'
     TWODIGITMINUTE: 'Dos dígitos de los minutos (00 a 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Mes de 2 dígitos (01=Enero, etc.)'
+    TWODIGITSECOND: 'Dos dígitos de los segundos (00 a 59)'
     TWODIGITYEAR: 'Año en 2 dígitos'
   MemberImportForm:
     Help1: "<p>Importar usurious en <em>format CSV</em> (valores separados por comas). <small><a href=\"#\" class=\"toggle-advanced\">Mostrar uso avanzado</a></small></p>\\n"
diff --git a/lang/et_EE.yml b/lang/et_EE.yml
index 5ff5c4f95..3b64ef9da 100644
--- a/lang/et_EE.yml
+++ b/lang/et_EE.yml
@@ -388,34 +388,25 @@ et_EE:
   MemberAuthenticator:
     TITLE: 'E-post ja parool'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/fa_IR.yml b/lang/fa_IR.yml
index 06fad441b..53d3ec2e7 100644
--- a/lang/fa_IR.yml
+++ b/lang/fa_IR.yml
@@ -388,34 +388,25 @@ fa_IR:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/fi.yml b/lang/fi.yml
index f0c823bf4..b6e4fcc00 100644
--- a/lang/fi.yml
+++ b/lang/fi.yml
@@ -388,34 +388,25 @@ fi:
   MemberAuthenticator:
     TITLE: 'Sähköposti &amp; Salasana'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (aamupäivä) tai PM (iltapäivä)'
     'APPLY FILTER': Suodata
     Custom: Muokattu
     DATEFORMATBAD: 'Päivämäärän muoto on virheellinen'
     DAYNOLEADING: 'Kuukausi ilman ensimmäistä nollaa (0)'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Yksi tai useampi desimaali osoittamaan sekunnin osia'
+    FOURDIGITYEAR: 'Nelinumeroinen vuosiluku'
+    FULLNAMEMONTH: 'Kuukausi kirjoitettuna (esim. kesäkuu)'
+    HOURNOLEADING: 'Tunti ilman edessä olevaa nollaa'
+    MINUTENOLEADING: 'Minuutti ilman edessä olevaa nollaa'
     MONTHNOLEADING: 'Kuukausi ilman ensimmäistä nollaa (0)'
     Preview: Esikatselu
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Kuukauden lyhyt nimi (esim. kesä)'
     TOGGLEHELP: 'Vaihda muotoilu apuun'
     TWODIGITDAY: 'Kaksinumeroinen päivämäärä (01–31)'
     TWODIGITHOUR: 'Kaksinumeroinen tuntinäyttö (00–23)'
     TWODIGITMINUTE: 'Kaksinumeroinen minuuttinäyttö (00–59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Kaksinumeroinen kuukausi (01=tammikuu, jne.)'
+    TWODIGITSECOND: 'Kaksinumeroinen sekunti (00–59)'
     TWODIGITYEAR: 'Kaksinumeroinen vuosiluku'
   MemberImportForm:
     Help1: '<p>Tuo käyttäjät <em>CSV-muodossa</em> (arvot pilkulla erotettuina). <small><a href="#" class="toggle-advanced">Näytä edistyksellinen käyttö</a></small></p>'
diff --git a/lang/fo.yml b/lang/fo.yml
index f125ad920..b08b23ccf 100644
--- a/lang/fo.yml
+++ b/lang/fo.yml
@@ -388,34 +388,25 @@ fo:
   MemberAuthenticator:
     TITLE: 'Teldupostadressa &amp; Loyniorð'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/fr.yml b/lang/fr.yml
index fa37d95f9..12d651401 100644
--- a/lang/fr.yml
+++ b/lang/fr.yml
@@ -388,34 +388,25 @@ fr:
   MemberAuthenticator:
     TITLE: 'Email &amp; Mot de passe'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) ou PM (Post meridiem)'
     'APPLY FILTER': 'Appliquer le filtre'
     Custom: Personnalisé
     DATEFORMATBAD: 'Format de date incorrect'
     DAYNOLEADING: 'Le jour du mois sans zéro initial'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Un ou plusieurs chiffres représentant la fraction décimale d’une seconde'
+    FOURDIGITYEAR: 'L’année sur 4 chiffres'
+    FULLNAMEMONTH: 'Le nom complet du mois (p. ex. janvier)'
+    HOURNOLEADING: 'L’heure sans zéro initial'
+    MINUTENOLEADING: 'La minute sans zéro initial'
     MONTHNOLEADING: 'Le chiffre du mois sans zéro initial'
     Preview: Aperçu
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Le nom abrégé du mois (p. ex. : jan.)'
     TOGGLEHELP: 'Afficher l’aide de mise en forme'
     TWODIGITDAY: 'Le jour du mois sur deux chiffres'
     TWODIGITHOUR: 'L’heure sur deux chiffres (de 00 à 23)'
     TWODIGITMINUTE: 'La minute sur deux chiffres (de 00 à 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Le mois sur deux chiffres (p. ex. 01=janvier)'
+    TWODIGITSECOND: 'La seconde sur deux chiffres (de 00 à 59)'
     TWODIGITYEAR: 'L’année sur deux chiffres'
   MemberImportForm:
     Help1: '<p>Importer les membres au format<em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Afficher l''usage avancé.</a></small></p>'
diff --git a/lang/gl_ES.yml b/lang/gl_ES.yml
index d55415e44..214a93d22 100644
--- a/lang/gl_ES.yml
+++ b/lang/gl_ES.yml
@@ -388,34 +388,25 @@ gl_ES:
   MemberAuthenticator:
     TITLE: 'Correo-e e Contrasinal'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) ou PM (Post meridiem)'
     'APPLY FILTER': 'Aplicar Filtro'
     Custom: Personalizado
     DATEFORMATBAD: 'O formato da data é inválida'
     DAYNOLEADING: 'Día do mes sen ceros a esquerda'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Un ou máis díxitos representando unha fracción decimal dun segundo'
+    FOURDIGITYEAR: 'Catro díxitos ano'
+    FULLNAMEMONTH: 'Nome completo do mes (p.e. Xuño)'
+    HOURNOLEADING: 'Hora sen ceros a esquerda'
+    MINUTENOLEADING: 'Minuto sen ceros a esquerda'
     MONTHNOLEADING: 'Díxito do mes sen ceros a esquerda'
     Preview: Previsualizar
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Nome curto do mes (p.e. Xuñ)'
     TOGGLEHELP: 'Mudar o formato de axuda'
     TWODIGITDAY: 'Dous díxitos día do mes'
     TWODIGITHOUR: 'Dous díxitos para a hora (00 ata 23)'
     TWODIGITMINUTE: 'Dous díxitos minuto (00 ata 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Dous díxitos para o mes (01=Xaneiro, etc.)'
+    TWODIGITSECOND: 'Dous díxitos de segundo (00 ata 59)'
     TWODIGITYEAR: 'Dous díxitos ano'
   MemberImportForm:
     Help1: '<p>Importar usuarios en <em>formato CSV</em> (valores separados por comas). <small><a href="#" class="toggle-advanced">Amosar uso avanzado</a></small></p>'
diff --git a/lang/he_IL.yml b/lang/he_IL.yml
index 0c4ed2fbd..221178835 100644
--- a/lang/he_IL.yml
+++ b/lang/he_IL.yml
@@ -388,34 +388,25 @@ he_IL:
   MemberAuthenticator:
     TITLE: 'דואר אלקטרוני וסיסמא'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/hr.yml b/lang/hr.yml
index d1797e61d..602eff891 100644
--- a/lang/hr.yml
+++ b/lang/hr.yml
@@ -388,34 +388,25 @@ hr:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Lozinka'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/hu.yml b/lang/hu.yml
index 4abe3defa..792b6cc80 100644
--- a/lang/hu.yml
+++ b/lang/hu.yml
@@ -388,34 +388,25 @@ hu:
   MemberAuthenticator:
     TITLE: 'E-mail és jelszó'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/hy_AM.yml b/lang/hy_AM.yml
index 3ec229d17..8ae1444e9 100644
--- a/lang/hy_AM.yml
+++ b/lang/hy_AM.yml
@@ -388,34 +388,25 @@ hy_AM:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/id.yml b/lang/id.yml
index 293521e92..6a4da2f99 100644
--- a/lang/id.yml
+++ b/lang/id.yml
@@ -388,34 +388,25 @@ id:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/is.yml b/lang/is.yml
index 7343fd9a0..0eb085f04 100644
--- a/lang/is.yml
+++ b/lang/is.yml
@@ -388,34 +388,25 @@ is:
   MemberAuthenticator:
     TITLE: 'Tölvupóstur &amp; Lykilorð'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/it.yml b/lang/it.yml
index 22869ade9..f8e25b6ef 100644
--- a/lang/it.yml
+++ b/lang/it.yml
@@ -388,34 +388,25 @@ it:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) o PM (Post meridiem)'
     'APPLY FILTER': 'Applica filtro'
     Custom: Personalizza
     DATEFORMATBAD: 'Il formato della data non è valido'
     DAYNOLEADING: 'Giorno del mese senza zero iniziale'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Una o più cifre che rappresentano una frazione decimale di secondo'
+    FOURDIGITYEAR: 'Anno a quattro cifre'
+    FULLNAMEMONTH: 'Nome completo del mese (es. Giugno)'
+    HOURNOLEADING: 'Ore senza zero iniziale'
+    MINUTENOLEADING: 'Minuti senza zero iniziale'
     MONTHNOLEADING: 'Mese senza zero iniziale'
     Preview: Anteprima
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Nome corto del mese (es. Giu)'
     TOGGLEHELP: 'Mostra/Nascondi aiuto formattazione'
     TWODIGITDAY: 'Giorno del mese a due cifre'
     TWODIGITHOUR: 'Ora a due cifre (00 a 23)'
     TWODIGITMINUTE: 'Minuti a due cifre (00 a 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Mese a due cifre (01=Gennaio, ecc.)'
+    TWODIGITSECOND: 'Secondi a due cifre (00 a 59)'
     TWODIGITYEAR: 'Anno a due cifre'
   MemberImportForm:
     Help1: '<p>Importa utenti in <em>formato CSV</em> (valori separati da virgole). <small><a href="#" class="toggle-advanced">Mostra utilizzo avanzato</a></small></p>'
diff --git a/lang/ja_JP.yml b/lang/ja_JP.yml
index 1ca8bdcdd..bc9801bf2 100644
--- a/lang/ja_JP.yml
+++ b/lang/ja_JP.yml
@@ -388,34 +388,25 @@ ja_JP:
   MemberAuthenticator:
     TITLE: メールアドレスとパスワード
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': フィルタを適用
     Custom: Custom
     DATEFORMATBAD: 日付フォーマットが不正です
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: プレビュー
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: フォーマットに関するヘルプの表示・非表示
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p><em>CSVフォーマット</em>(コンマ区切り)でユーザーを取り込みます。 <small><a href="#" class="toggle-advanced">高度な利用方法を表示</a></small></p>'
diff --git a/lang/km.yml b/lang/km.yml
index 23e819e61..69ba6f281 100644
--- a/lang/km.yml
+++ b/lang/km.yml
@@ -388,34 +388,25 @@ km:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/lt.yml b/lang/lt.yml
index c8454af27..5a96a481e 100644
--- a/lang/lt.yml
+++ b/lang/lt.yml
@@ -388,34 +388,25 @@ lt:
   MemberAuthenticator:
     TITLE: 'E-paštas ir slaptažodis'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/lv.yml b/lang/lv.yml
index d4cc06780..d98e84ca0 100644
--- a/lang/lv.yml
+++ b/lang/lv.yml
@@ -388,34 +388,25 @@ lv:
   MemberAuthenticator:
     TITLE: 'E-pasts un Parole'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/mi_NZ.yml b/lang/mi_NZ.yml
index 63bdb3736..fcbc4c14c 100644
--- a/lang/mi_NZ.yml
+++ b/lang/mi_NZ.yml
@@ -388,34 +388,25 @@ mi_NZ:
   MemberAuthenticator:
     TITLE: 'Īmērā &amp; Kupuhipa'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem), PM (Post meridiem) rānei'
     'APPLY FILTER': 'Hoatu Tātari'
     Custom: Ritenga
     DATEFORMATBAD: 'He muhu te hōputu rā'
     DAYNOLEADING: 'Rā o te marama kāore he kore i mua'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Kotahi neke atu ngā mati e tohu ana i te hautau ā-ira o te hēkona'
+    FOURDIGITYEAR: 'Tau matiwhā'
+    FULLNAMEMONTH: 'Ingoa marama katoa (hei tauira, Pipiri)'
+    HOURNOLEADING: 'Haora, kāore he kore i mua'
+    MINUTENOLEADING: 'Meneti, kāore he kore i mua'
     MONTHNOLEADING: 'Mati marama kāore he kore i mua'
     Preview: Arokite
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Ingoa marama poto (hei tauira, Pip)'
     TOGGLEHELP: 'Takahurihia te āwhina whakahōputu'
     TWODIGITDAY: 'Rā marama matirua'
     TWODIGITHOUR: 'Ngā mati haora e rua (00 ki te 23)'
     TWODIGITMINUTE: 'Ngā mati meneti e rua (00 ki te 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Marama matirua (01=Kohitātea)'
+    TWODIGITSECOND: 'Ngā mati hēkona e rua (00 ki te 59)'
     TWODIGITYEAR: 'Tau matirua'
   MemberImportForm:
     Help1: '<p>Kawea mai ngā kaiwhakamahi i te <em>hōputu CSV </em> (ngā uara ka wehea ki te piko). <small><a href="#" class="toggle-advanced">Whakaatu whakamahinga ara atu anō</a></small></p>'
diff --git a/lang/ms.yml b/lang/ms.yml
index 274d8cfb2..16bad5afe 100644
--- a/lang/ms.yml
+++ b/lang/ms.yml
@@ -388,34 +388,25 @@ ms:
   MemberAuthenticator:
     TITLE: 'Email &amp; katalaluan'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/nb.yml b/lang/nb.yml
index 67562729d..3338dd3e0 100644
--- a/lang/nb.yml
+++ b/lang/nb.yml
@@ -388,34 +388,25 @@ nb:
   MemberAuthenticator:
     TITLE: 'Epost &amp; Passord'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Legg til filter'
     Custom: Custom
     DATEFORMATBAD: 'Datoformat er ugyldig'
     DAYNOLEADING: 'Dag i måneden uten ledende null'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Ett eller flere siffer som representerer en desimlbrøkdel av et sekund'
+    FOURDIGITYEAR: 'Firesifret årstall'
+    FULLNAMEMONTH: 'Fullt navn på måned (eks. juni)'
+    HOURNOLEADING: 'Time uten ledende null'
+    MINUTENOLEADING: 'Minutt uten ledende null'
     MONTHNOLEADING: 'Månedssiffer uten ledende null'
     Preview: Forhåndsvisning
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Forkortelse av måned (f.eks. jun)'
     TOGGLEHELP: 'Vis/skjul formateringshjelp'
     TWODIGITDAY: 'Tosifret månedstall'
     TWODIGITHOUR: 'Tosifret timetall (00 til 23)'
     TWODIGITMINUTE: 'Tosifret minuttstall (00 til 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Tosifret måned (01=Januar, etc.)'
+    TWODIGITSECOND: 'Tosifret sekundtall (00 til 59)'
     TWODIGITYEAR: 'Tosifret årstall'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ne.yml b/lang/ne.yml
index 1b6e4bd78..be9a85f64 100644
--- a/lang/ne.yml
+++ b/lang/ne.yml
@@ -388,34 +388,25 @@ ne:
   MemberAuthenticator:
     TITLE: 'ईमेल &amp; पासओड'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/nl.yml b/lang/nl.yml
index 492266369..6d4308fc6 100644
--- a/lang/nl.yml
+++ b/lang/nl.yml
@@ -388,34 +388,25 @@ nl:
   MemberAuthenticator:
     TITLE: 'Email &amp; Wachtwoord'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Filter toepassen'
     Custom: Aangepast
     DATEFORMATBAD: 'Datum is niet correct opgegeven'
     DAYNOLEADING: 'Dag van de maand zonder voorloop-nul'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Voorbeeld
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Twee cijfer van het uur (00 tot 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Twee-cijferig jaar'
   MemberImportForm:
     Help1: '<p>Importeer leden in <em>CSV</em> formaat (Kommagescheiden bestandsformaat). <small><a href="#" class="toggle-advanced">Toon geavanceerd gebruik</a></small></p>'
diff --git a/lang/pa.yml b/lang/pa.yml
index 95d82a5b2..3adf11a15 100644
--- a/lang/pa.yml
+++ b/lang/pa.yml
@@ -388,34 +388,25 @@ pa:
   MemberAuthenticator:
     TITLE: 'ਈਮੇਲ &amp; '
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/pl.yml b/lang/pl.yml
index c379642ee..eee015534 100644
--- a/lang/pl.yml
+++ b/lang/pl.yml
@@ -388,34 +388,25 @@ pl:
   MemberAuthenticator:
     TITLE: 'E-mail i Hasło'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (przed południem) lub PM (po południu)'
     'APPLY FILTER': 'Zastosuj filtr'
     Custom: Własny
     DATEFORMATBAD: 'Nieprawidłowy format daty'
     DAYNOLEADING: 'Dzień miesiąca bez wiodącego zera'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Jedna lub więcej cyfr reprezentujących ułamek sekundy'
+    FOURDIGITYEAR: 'Czterocyfrowy rok'
+    FULLNAMEMONTH: 'Pełna nazwa miesiąca (np. Czerwiec)'
+    HOURNOLEADING: 'Godzina bez wiodącego zera'
+    MINUTENOLEADING: 'Minuta bez wiodącego zera'
     MONTHNOLEADING: 'Miesiąc bez wiodącego zera'
     Preview: Podgląd
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Skrócona nazwa miesiąca (np. Cze)'
     TOGGLEHELP: 'Przełącz pomoc formatowania'
     TWODIGITDAY: 'Dwucyfrowy dzień miesiąca'
     TWODIGITHOUR: 'Dwucyfrowa godzina (od 00 do 23)'
     TWODIGITMINUTE: 'Dwucyfrowa minuta (od 00 do 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Dwucyfrowy miesiąc (01=Styczeń, itd.)'
+    TWODIGITSECOND: 'Dwucyfrowa sekunda (od 00 do 59)'
     TWODIGITYEAR: 'Dwucyfrowy rok'
   MemberImportForm:
     Help1: '<p>Zaimportuj użytkowników w <em>formacie CSV</em> (tekst rozdzielany przecinkami). <small><a href="#" class="toggle-advanced">Zaawansowane</a></small></p>'
diff --git a/lang/pt.yml b/lang/pt.yml
index 8490c13c6..4b0842f89 100644
--- a/lang/pt.yml
+++ b/lang/pt.yml
@@ -388,34 +388,25 @@ pt:
   MemberAuthenticator:
     TITLE: 'Email e Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/pt_BR.yml b/lang/pt_BR.yml
index 3e9bf1e58..1e8f508b3 100644
--- a/lang/pt_BR.yml
+++ b/lang/pt_BR.yml
@@ -388,34 +388,25 @@ pt_BR:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Senha'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ro.yml b/lang/ro.yml
index 1cfc77197..615b5f32d 100644
--- a/lang/ro.yml
+++ b/lang/ro.yml
@@ -388,34 +388,25 @@ ro:
   MemberAuthenticator:
     TITLE: 'E-mail si Parolă'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Aplica filtru'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/ru.yml b/lang/ru.yml
index d1b959eab..78e29522a 100644
--- a/lang/ru.yml
+++ b/lang/ru.yml
@@ -388,34 +388,25 @@ ru:
   MemberAuthenticator:
     TITLE: 'Email и Пароль'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) или PM (Post meridiem)'
     'APPLY FILTER': 'Применить фильтр'
     Custom: Пользовательский
     DATEFORMATBAD: 'Неверный формат даты'
     DAYNOLEADING: 'Число месяца без ведущего нуля'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Одна или более цифр для обозначения десятых долей секунды'
+    FOURDIGITYEAR: 'Год четырьмя цифрами'
+    FULLNAMEMONTH: 'Название месяца полностью (июнь)'
+    HOURNOLEADING: 'Часы без ведущего нуля'
+    MINUTENOLEADING: 'Минуты без ведущего нуля'
     MONTHNOLEADING: 'Месяц без ведущего нуля'
     Preview: Просмотр
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Сокращенное название месяца (Июн)'
     TOGGLEHELP: 'Включить подсказки форматирования'
     TWODIGITDAY: 'Число месяца: двумя цифрами'
     TWODIGITHOUR: 'Часы: двумя цифрами (00 - 23)'
     TWODIGITMINUTE: 'Минуты: двумя цифрами (00 - 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Месяц двумя цифрами (01=январь и т.д.)'
+    TWODIGITSECOND: 'Секунды: двумя цифрами (00 - 59)'
     TWODIGITYEAR: 'Год: двумя цифрами'
   MemberImportForm:
     Help1: '<p>Импорт пользователей в формате <em>CSV</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Показать подробности</a></small></p>'
diff --git a/lang/si.yml b/lang/si.yml
index 2b50426b6..a06583a92 100644
--- a/lang/si.yml
+++ b/lang/si.yml
@@ -388,34 +388,25 @@ si:
   MemberAuthenticator:
     TITLE: 'ඊමේල් හා මුර පදය'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/sk.yml b/lang/sk.yml
index dd3f0aba3..69e7a4fd6 100644
--- a/lang/sk.yml
+++ b/lang/sk.yml
@@ -388,34 +388,25 @@ sk:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Heslo'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (pred poludním) alebo PM (popoludní)'
     'APPLY FILTER': 'Použiť filter'
     Custom: Vlastné
     DATEFORMATBAD: 'Formát dátumu je neplatný'
     DAYNOLEADING: 'Deň mesiaca bez úvodnej nuly'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'Jedna alebo viac číslic zastupujúcich desatinný zlomok sekundy'
+    FOURDIGITYEAR: 'Štvorčíslie roka'
+    FULLNAMEMONTH: 'Celý názov mesiaca (napr. jún)'
+    HOURNOLEADING: 'Hodina bez úvodnej nuly'
+    MINUTENOLEADING: 'Minúta bez úvodnej nuly'
     MONTHNOLEADING: 'Číslo mesiaca bez úvodnej nuly'
     Preview: Náhľad
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Krátky názov mesiaca (napr. jún)'
     TOGGLEHELP: 'Prepnúť nápovedu formátovania'
     TWODIGITDAY: 'Dvojčíslie dňa mesiaca'
     TWODIGITHOUR: 'Dvojčíslie hodiny (00 až 23)'
     TWODIGITMINUTE: 'Dvojčíslie minúty (00 až 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Dvojčíslie mesiaca (01=január, atď.)'
+    TWODIGITSECOND: 'Dvojčíslie sekundy (00 až 59)'
     TWODIGITYEAR: 'Dvojčíslie roka'
   MemberImportForm:
     Help1: 'Importovať členov v <em>CSV formáte</em> (čiarkov oddelené hodnoty). Zobraziť pokročile použitie'
diff --git a/lang/sl.yml b/lang/sl.yml
index 363b1a0d0..2bdeef38f 100644
--- a/lang/sl.yml
+++ b/lang/sl.yml
@@ -388,34 +388,25 @@ sl:
   MemberAuthenticator:
     TITLE: 'Uporabniški račun'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Uvoz uporabnikov v <em>formatu CSV</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Prikaži možnosti za napredno urejanje.</a></small></p>'
diff --git a/lang/sr.yml b/lang/sr.yml
index 64d64c6c7..e8f61197a 100644
--- a/lang/sr.yml
+++ b/lang/sr.yml
@@ -388,34 +388,25 @@ sr:
   MemberAuthenticator:
     TITLE: 'Пошаљи лозинку'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/sv.yml b/lang/sv.yml
index 0c1e9ef0c..b3eb8e577 100644
--- a/lang/sv.yml
+++ b/lang/sv.yml
@@ -388,34 +388,25 @@ sv:
   MemberAuthenticator:
     TITLE: 'E-post &amp; Lösenord'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) eller PM (Post meridiem)'
     'APPLY FILTER': 'Använd filter'
     Custom: Anpassad
     DATEFORMATBAD: 'Datumformatet är ogiltigt'
     DAYNOLEADING: 'Dag i månad utan inledande nolla'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'En eller fler delar som representerar en decimaldel av en sekund.'
+    FOURDIGITYEAR: 'Fyrsiffrigt år'
+    FULLNAMEMONTH: 'Helt namn för månad (t ex juni)'
+    HOURNOLEADING: 'Timme utan inledande nolla'
+    MINUTENOLEADING: 'Minut utan inledande nolla'
     MONTHNOLEADING: 'Dag i månad utan inledande nolla'
     Preview: Förhandsgranska
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Kortnamn för månad (t ex jun)'
     TOGGLEHELP: 'Växla formatteringshjälp'
     TWODIGITDAY: 'Två siffror för dag i månad'
     TWODIGITHOUR: 'Två siffror för timme (00 till 23)'
     TWODIGITMINUTE: 'Två siffror för minut (00 till 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Tvåsiffrig månad (01 = januari osv)'
+    TWODIGITSECOND: 'Två siffror för sekund (00 till 59)'
     TWODIGITYEAR: 'Två siffror för år'
   MemberImportForm:
     Help1: '<p>Importera användare i <em>CSV-format</em> (kommaseparerade värden). <small>a href="#" class="toggle-advanced">Visa avancerat</a></small></p>'
diff --git a/lang/th.yml b/lang/th.yml
index c7bb8a3d7..76adebd92 100644
--- a/lang/th.yml
+++ b/lang/th.yml
@@ -388,34 +388,25 @@ th:
   MemberAuthenticator:
     TITLE: 'อีเมล &amp; รหัสผ่าน'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': ประยุกต์ใช้ตัวกรองข้อมูล
     Custom: Custom
     DATEFORMATBAD: รูปแบบวันที่ไม่ถูกต้อง
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: ดูตัวอย่าง
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/tr.yml b/lang/tr.yml
index eee9c6694..eeeefb6d8 100644
--- a/lang/tr.yml
+++ b/lang/tr.yml
@@ -388,34 +388,25 @@ tr:
   MemberAuthenticator:
     TITLE: 'E-posta & Şifre'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Tarih formatı yanlış'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/uk.yml b/lang/uk.yml
index 08e873d50..31056b0c4 100644
--- a/lang/uk.yml
+++ b/lang/uk.yml
@@ -388,34 +388,25 @@ uk:
   MemberAuthenticator:
     TITLE: 'Е-пошта та Пароль'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/uz.yml b/lang/uz.yml
index 185f6cea3..a5b82273e 100644
--- a/lang/uz.yml
+++ b/lang/uz.yml
@@ -388,34 +388,25 @@ uz:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/vi_VN.yml b/lang/vi_VN.yml
index e5dc6a09e..b49e08e6f 100644
--- a/lang/vi_VN.yml
+++ b/lang/vi_VN.yml
@@ -388,34 +388,25 @@ vi_VN:
   MemberAuthenticator:
     TITLE: 'E-mail &amp; Password'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/zh_CN.yml b/lang/zh_CN.yml
index 10c5c4236..391ca91f4 100644
--- a/lang/zh_CN.yml
+++ b/lang/zh_CN.yml
@@ -388,34 +388,25 @@ zh_CN:
   MemberAuthenticator:
     TITLE: 电邮地址和密码
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'
diff --git a/lang/zh_TW.yml b/lang/zh_TW.yml
index 35e13e0f8..889f5ad8f 100644
--- a/lang/zh_TW.yml
+++ b/lang/zh_TW.yml
@@ -388,34 +388,25 @@ zh_TW:
   MemberAuthenticator:
     TITLE: '電子郵件 &amp; 密碼'
   MemberDatetimeOptionsetField:
-    AMORPM:
-      - null
+    AMORPM: 'AM (Ante meridiem) or PM (Post meridiem)'
     'APPLY FILTER': 'Apply Filter'
     Custom: Custom
     DATEFORMATBAD: 'Date format is invalid'
     DAYNOLEADING: 'Day of month without leading zero'
-    DIGITSDECFRACTIONSECOND:
-      - null
-    FOURDIGITYEAR:
-      - null
-    FULLNAMEMONTH:
-      - null
-    HOURNOLEADING:
-      - null
-    MINUTENOLEADING:
-      - null
+    DIGITSDECFRACTIONSECOND: 'One or more digits representing a decimal fraction of a second'
+    FOURDIGITYEAR: 'Four-digit year'
+    FULLNAMEMONTH: 'Full name of month (e.g. June)'
+    HOURNOLEADING: 'Hour without leading zero'
+    MINUTENOLEADING: 'Minute without leading zero'
     MONTHNOLEADING: 'Month digit without leading zero'
     Preview: Preview
-    SHORTMONTH:
-      - null
+    SHORTMONTH: 'Short name of month (e.g. Jun)'
     TOGGLEHELP: 'Toggle formatting help'
     TWODIGITDAY: 'Two-digit day of month'
     TWODIGITHOUR: 'Two digits of hour (00 through 23)'
     TWODIGITMINUTE: 'Two digits of minute (00 through 59)'
-    TWODIGITMONTH:
-      - null
-    TWODIGITSECOND:
-      - null
+    TWODIGITMONTH: 'Two-digit month (01=January, etc.)'
+    TWODIGITSECOND: 'Two digits of second (00 through 59)'
     TWODIGITYEAR: 'Two-digit year'
   MemberImportForm:
     Help1: '<p>Import users in <em>CSV format</em> (comma-separated values). <small><a href="#" class="toggle-advanced">Show advanced usage</a></small></p>'