diff --git a/chrome/locale/af-ZA/zotero/zotero.dtd b/chrome/locale/af-ZA/zotero/zotero.dtd
index 5a8ea6c2b4..ec597e8185 100644
--- a/chrome/locale/af-ZA/zotero/zotero.dtd
+++ b/chrome/locale/af-ZA/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/ar/zotero/zotero.dtd b/chrome/locale/ar/zotero/zotero.dtd
index bd136173d8..08e22da573 100644
--- a/chrome/locale/ar/zotero/zotero.dtd
+++ b/chrome/locale/ar/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "الملكية الفكرية">
 <!ENTITY zotero.items.dateAdded_column "تاريخ الإضافة">
 <!ENTITY zotero.items.dateModified_column "تاريخ التعديل">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "عرض في المكتبة">
 <!ENTITY zotero.items.menu.attach.note "اضافة ملاحظة">
diff --git a/chrome/locale/bg-BG/zotero/zotero.dtd b/chrome/locale/bg-BG/zotero/zotero.dtd
index ca90e69925..233660bf4b 100644
--- a/chrome/locale/bg-BG/zotero/zotero.dtd
+++ b/chrome/locale/bg-BG/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Права">
 <!ENTITY zotero.items.dateAdded_column "Добавен на">
 <!ENTITY zotero.items.dateModified_column "Променен на">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Показва в библиотеката">
 <!ENTITY zotero.items.menu.attach.note "Добавя Бележка">
diff --git a/chrome/locale/ca-AD/zotero/zotero.dtd b/chrome/locale/ca-AD/zotero/zotero.dtd
index b9a3b0fea9..d3776fa22a 100644
--- a/chrome/locale/ca-AD/zotero/zotero.dtd
+++ b/chrome/locale/ca-AD/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Drets">
 <!ENTITY zotero.items.dateAdded_column "Data d&apos;incorporació">
 <!ENTITY zotero.items.dateModified_column "Data de modificació">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Mostra a la Biblioteca">
 <!ENTITY zotero.items.menu.attach.note "Afegeix nota">
diff --git a/chrome/locale/cs-CZ/zotero/zotero.dtd b/chrome/locale/cs-CZ/zotero/zotero.dtd
index 8ff1da5090..9ff66a5a77 100644
--- a/chrome/locale/cs-CZ/zotero/zotero.dtd
+++ b/chrome/locale/cs-CZ/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Práva">
 <!ENTITY zotero.items.dateAdded_column "Přidáno dne">
 <!ENTITY zotero.items.dateModified_column "Upraveno dne">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Ukázat v knihovně">
 <!ENTITY zotero.items.menu.attach.note "Přidat poznámku">
diff --git a/chrome/locale/da-DK/zotero/zotero.dtd b/chrome/locale/da-DK/zotero/zotero.dtd
index ec5997681f..cef0dc496f 100644
--- a/chrome/locale/da-DK/zotero/zotero.dtd
+++ b/chrome/locale/da-DK/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/de/zotero/zotero.dtd b/chrome/locale/de/zotero/zotero.dtd
index 932bb5afed..b1213ead6d 100644
--- a/chrome/locale/de/zotero/zotero.dtd
+++ b/chrome/locale/de/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rechte">
 <!ENTITY zotero.items.dateAdded_column "hinzugefügt am">
 <!ENTITY zotero.items.dateModified_column "geändert am">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "In Bibliothek anzeigen">
 <!ENTITY zotero.items.menu.attach.note "Notiz hinzufügen">
diff --git a/chrome/locale/el-GR/zotero/zotero.dtd b/chrome/locale/el-GR/zotero/zotero.dtd
index 5a8ea6c2b4..ec597e8185 100644
--- a/chrome/locale/el-GR/zotero/zotero.dtd
+++ b/chrome/locale/el-GR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/en-US/zotero/zotero.dtd b/chrome/locale/en-US/zotero/zotero.dtd
index ae7cf602db..19ce02bb7e 100644
--- a/chrome/locale/en-US/zotero/zotero.dtd
+++ b/chrome/locale/en-US/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column						"Rights">
 <!ENTITY zotero.items.dateAdded_column					"Date Added">
 <!ENTITY zotero.items.dateModified_column				"Date Modified">
-<!ENTITY zotero.items.numChildren_column				"+">
 
 <!ENTITY zotero.items.menu.showInLibrary					"Show in Library">
 <!ENTITY zotero.items.menu.attach.note					"Add Note">
diff --git a/chrome/locale/es-ES/zotero/zotero.dtd b/chrome/locale/es-ES/zotero/zotero.dtd
index ab686e160a..9f6c7e9205 100644
--- a/chrome/locale/es-ES/zotero/zotero.dtd
+++ b/chrome/locale/es-ES/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Derechos">
 <!ENTITY zotero.items.dateAdded_column "Fecha de adición">
 <!ENTITY zotero.items.dateModified_column "Fecha de modificación">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Mostrar en la biblioteca">
 <!ENTITY zotero.items.menu.attach.note "Añadir nota">
diff --git a/chrome/locale/et-EE/zotero/zotero.dtd b/chrome/locale/et-EE/zotero/zotero.dtd
index 7ebe847a4a..810add7974 100644
--- a/chrome/locale/et-EE/zotero/zotero.dtd
+++ b/chrome/locale/et-EE/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Õigused">
 <!ENTITY zotero.items.dateAdded_column "Lisamise kuupäev">
 <!ENTITY zotero.items.dateModified_column "Muutmise kuupäev">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Näidata raamatukogus">
 <!ENTITY zotero.items.menu.attach.note "Märkuse lisamine">
diff --git a/chrome/locale/eu-ES/zotero/zotero.dtd b/chrome/locale/eu-ES/zotero/zotero.dtd
index 45152c0566..076d915b52 100644
--- a/chrome/locale/eu-ES/zotero/zotero.dtd
+++ b/chrome/locale/eu-ES/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Jabetza">
 <!ENTITY zotero.items.dateAdded_column "Noiz gehitua">
 <!ENTITY zotero.items.dateModified_column "Noiz aldatua">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Bilatu liburutegian">
 <!ENTITY zotero.items.menu.attach.note "Oharra gehitu">
diff --git a/chrome/locale/fa/zotero/zotero.dtd b/chrome/locale/fa/zotero/zotero.dtd
index 895f1f39fb..4d4eb5f79d 100644
--- a/chrome/locale/fa/zotero/zotero.dtd
+++ b/chrome/locale/fa/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "حقوق">
 <!ENTITY zotero.items.dateAdded_column "تاریخ افزودن">
 <!ENTITY zotero.items.dateModified_column "تاریخ تغییر">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "نمایش در کتابخانه">
 <!ENTITY zotero.items.menu.attach.note "افزودن یادداشت">
diff --git a/chrome/locale/fi-FI/zotero/zotero.dtd b/chrome/locale/fi-FI/zotero/zotero.dtd
index 5a8ea6c2b4..ec597e8185 100644
--- a/chrome/locale/fi-FI/zotero/zotero.dtd
+++ b/chrome/locale/fi-FI/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/fr-FR/zotero/zotero.dtd b/chrome/locale/fr-FR/zotero/zotero.dtd
index 8d29aed499..9c36f7515b 100644
--- a/chrome/locale/fr-FR/zotero/zotero.dtd
+++ b/chrome/locale/fr-FR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Autorisations">
 <!ENTITY zotero.items.dateAdded_column "Date d'ajout">
 <!ENTITY zotero.items.dateModified_column "Date de modification">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Afficher dans la bibliothèque">
 <!ENTITY zotero.items.menu.attach.note "Ajouter une note">
diff --git a/chrome/locale/gl-ES/zotero/zotero.dtd b/chrome/locale/gl-ES/zotero/zotero.dtd
index 770384adfd..742c46ae98 100644
--- a/chrome/locale/gl-ES/zotero/zotero.dtd
+++ b/chrome/locale/gl-ES/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Dereitos">
 <!ENTITY zotero.items.dateAdded_column "Data Alta">
 <!ENTITY zotero.items.dateModified_column "Data Modificación">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Amosar na Biblioteca">
 <!ENTITY zotero.items.menu.attach.note "Engadir Nota">
diff --git a/chrome/locale/he-IL/zotero/zotero.dtd b/chrome/locale/he-IL/zotero/zotero.dtd
index b85eedfb08..14461b418d 100644
--- a/chrome/locale/he-IL/zotero/zotero.dtd
+++ b/chrome/locale/he-IL/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "זכויות">
 <!ENTITY zotero.items.dateAdded_column "תאריך הוספה">
 <!ENTITY zotero.items.dateModified_column "תאריך שינוי">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "הצג בספרייה">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/hr-HR/zotero/zotero.dtd b/chrome/locale/hr-HR/zotero/zotero.dtd
index 5a8ea6c2b4..ec597e8185 100644
--- a/chrome/locale/hr-HR/zotero/zotero.dtd
+++ b/chrome/locale/hr-HR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/hu-HU/zotero/zotero.dtd b/chrome/locale/hu-HU/zotero/zotero.dtd
index 40b936cb73..15f3a9f63d 100644
--- a/chrome/locale/hu-HU/zotero/zotero.dtd
+++ b/chrome/locale/hu-HU/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Jogok">
 <!ENTITY zotero.items.dateAdded_column "Hozzáadás dátuma">
 <!ENTITY zotero.items.dateModified_column "Módosítás dátuma">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Megjelenítés a könyvtárban">
 <!ENTITY zotero.items.menu.attach.note "Jegyzet hozzáadása">
diff --git a/chrome/locale/is-IS/zotero/zotero.dtd b/chrome/locale/is-IS/zotero/zotero.dtd
index d17af4db2a..3f4f11e322 100644
--- a/chrome/locale/is-IS/zotero/zotero.dtd
+++ b/chrome/locale/is-IS/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/it-IT/zotero/zotero.dtd b/chrome/locale/it-IT/zotero/zotero.dtd
index b5d6603a80..aeaff42147 100644
--- a/chrome/locale/it-IT/zotero/zotero.dtd
+++ b/chrome/locale/it-IT/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Diritti">
 <!ENTITY zotero.items.dateAdded_column "Data di aggiunta">
 <!ENTITY zotero.items.dateModified_column "Data ultima modifica">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Visualizza nella libreria">
 <!ENTITY zotero.items.menu.attach.note "Aggiungi nota">
diff --git a/chrome/locale/ja-JP/zotero/zotero.dtd b/chrome/locale/ja-JP/zotero/zotero.dtd
index 6f6fe933ec..d7915791be 100644
--- a/chrome/locale/ja-JP/zotero/zotero.dtd
+++ b/chrome/locale/ja-JP/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "権利">
 <!ENTITY zotero.items.dateAdded_column "作成日時">
 <!ENTITY zotero.items.dateModified_column "更新日時">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "ライブラリーで表示">
 <!ENTITY zotero.items.menu.attach.note "メモを追加">
diff --git a/chrome/locale/ko-KR/zotero/zotero.dtd b/chrome/locale/ko-KR/zotero/zotero.dtd
index 4e27ea0f9d..7c4db81449 100644
--- a/chrome/locale/ko-KR/zotero/zotero.dtd
+++ b/chrome/locale/ko-KR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "권리">
 <!ENTITY zotero.items.dateAdded_column "날짜 추가">
 <!ENTITY zotero.items.dateModified_column "날짜 변경">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "라이브러리로 표시">
 <!ENTITY zotero.items.menu.attach.note "노트 추가">
diff --git a/chrome/locale/mn-MN/zotero/zotero.dtd b/chrome/locale/mn-MN/zotero/zotero.dtd
index a9669d342a..1928305bde 100644
--- a/chrome/locale/mn-MN/zotero/zotero.dtd
+++ b/chrome/locale/mn-MN/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "Date Added">
 <!ENTITY zotero.items.dateModified_column "Date Modified">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Show in Library">
 <!ENTITY zotero.items.menu.attach.note "Тэмдэглэл нэмэх">
diff --git a/chrome/locale/nb-NO/zotero/zotero.dtd b/chrome/locale/nb-NO/zotero/zotero.dtd
index 944ae0d1ec..0961e45d04 100644
--- a/chrome/locale/nb-NO/zotero/zotero.dtd
+++ b/chrome/locale/nb-NO/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rettigheter">
 <!ENTITY zotero.items.dateAdded_column "Lagt til">
 <!ENTITY zotero.items.dateModified_column "Sist endret">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Vis i bibliotek">
 <!ENTITY zotero.items.menu.attach.note "Legg til notat">
diff --git a/chrome/locale/nl-NL/zotero/zotero.dtd b/chrome/locale/nl-NL/zotero/zotero.dtd
index cfbf7c5f9c..56a3b6948f 100644
--- a/chrome/locale/nl-NL/zotero/zotero.dtd
+++ b/chrome/locale/nl-NL/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rechten">
 <!ENTITY zotero.items.dateAdded_column "Datum toegevoegd">
 <!ENTITY zotero.items.dateModified_column "Datum bewerkt">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "In bibliotheek tonen">
 <!ENTITY zotero.items.menu.attach.note "Aantekening toevoegen">
diff --git a/chrome/locale/nn-NO/zotero/zotero.dtd b/chrome/locale/nn-NO/zotero/zotero.dtd
index b92c3f47d2..1f549f26ce 100644
--- a/chrome/locale/nn-NO/zotero/zotero.dtd
+++ b/chrome/locale/nn-NO/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rettar">
 <!ENTITY zotero.items.dateAdded_column "Lagt til">
 <!ENTITY zotero.items.dateModified_column "Sist endra">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Vis i bibliotek">
 <!ENTITY zotero.items.menu.attach.note "Legg til notat">
diff --git a/chrome/locale/pl-PL/zotero/zotero.dtd b/chrome/locale/pl-PL/zotero/zotero.dtd
index b980e225a8..e07fbf4087 100644
--- a/chrome/locale/pl-PL/zotero/zotero.dtd
+++ b/chrome/locale/pl-PL/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Prawa autorskie">
 <!ENTITY zotero.items.dateAdded_column "Data dodania">
 <!ENTITY zotero.items.dateModified_column "Data modyfikacji">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Wyświetl w bibliotece">
 <!ENTITY zotero.items.menu.attach.note "Dodaj notatkę">
diff --git a/chrome/locale/pt-BR/zotero/zotero.dtd b/chrome/locale/pt-BR/zotero/zotero.dtd
index 602f217317..c77a780f35 100644
--- a/chrome/locale/pt-BR/zotero/zotero.dtd
+++ b/chrome/locale/pt-BR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Direitos">
 <!ENTITY zotero.items.dateAdded_column "Adição em">
 <!ENTITY zotero.items.dateModified_column "Modificação em">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Mostrar na biblioteca">
 <!ENTITY zotero.items.menu.attach.note "Adicionar nota">
diff --git a/chrome/locale/pt-PT/zotero/zotero.dtd b/chrome/locale/pt-PT/zotero/zotero.dtd
index 4e17fb8724..cef8b2f95d 100644
--- a/chrome/locale/pt-PT/zotero/zotero.dtd
+++ b/chrome/locale/pt-PT/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Direitos">
 <!ENTITY zotero.items.dateAdded_column "Data de Adição">
 <!ENTITY zotero.items.dateModified_column "Data de Modificação">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Mostrar na Biblioteca">
 <!ENTITY zotero.items.menu.attach.note "Adicionar Nota">
diff --git a/chrome/locale/ro-RO/zotero/zotero.dtd b/chrome/locale/ro-RO/zotero/zotero.dtd
index 8409560bc4..e97b82fa83 100644
--- a/chrome/locale/ro-RO/zotero/zotero.dtd
+++ b/chrome/locale/ro-RO/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Drepturi">
 <!ENTITY zotero.items.dateAdded_column "Data adăugării">
 <!ENTITY zotero.items.dateModified_column "Data modificării">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Afișează în bibliotecă">
 <!ENTITY zotero.items.menu.attach.note "Adaugă notă">
diff --git a/chrome/locale/ru-RU/zotero/zotero.dtd b/chrome/locale/ru-RU/zotero/zotero.dtd
index 0e311feaef..31673354b4 100644
--- a/chrome/locale/ru-RU/zotero/zotero.dtd
+++ b/chrome/locale/ru-RU/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Права">
 <!ENTITY zotero.items.dateAdded_column "Добавлен">
 <!ENTITY zotero.items.dateModified_column "Изменён">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Показать в библиотеке">
 <!ENTITY zotero.items.menu.attach.note "Добавить заметку">
diff --git a/chrome/locale/sk-SK/zotero/zotero.dtd b/chrome/locale/sk-SK/zotero/zotero.dtd
index d0b299b613..60cb5cc1a8 100644
--- a/chrome/locale/sk-SK/zotero/zotero.dtd
+++ b/chrome/locale/sk-SK/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Práva">
 <!ENTITY zotero.items.dateAdded_column "Pridané dňa">
 <!ENTITY zotero.items.dateModified_column "Upravené dňa">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Zobraziť v knižnici">
 <!ENTITY zotero.items.menu.attach.note "Pridať poznámku">
diff --git a/chrome/locale/sl-SI/zotero/zotero.dtd b/chrome/locale/sl-SI/zotero/zotero.dtd
index 4ce534d2e1..8f8b6a14f7 100644
--- a/chrome/locale/sl-SI/zotero/zotero.dtd
+++ b/chrome/locale/sl-SI/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Pravice">
 <!ENTITY zotero.items.dateAdded_column "Dodano dne">
 <!ENTITY zotero.items.dateModified_column "Datum spremembe">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Pokaži v knjižnici">
 <!ENTITY zotero.items.menu.attach.note "Dodaj opombo">
diff --git a/chrome/locale/sr-RS/zotero/zotero.dtd b/chrome/locale/sr-RS/zotero/zotero.dtd
index 5090597e04..ce345a59ed 100644
--- a/chrome/locale/sr-RS/zotero/zotero.dtd
+++ b/chrome/locale/sr-RS/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Права">
 <!ENTITY zotero.items.dateAdded_column "Датум додавања">
 <!ENTITY zotero.items.dateModified_column "Датум промене">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Прикажи у библиотеци">
 <!ENTITY zotero.items.menu.attach.note "Додај белешку">
diff --git a/chrome/locale/sv-SE/zotero/zotero.dtd b/chrome/locale/sv-SE/zotero/zotero.dtd
index 7650b0ad43..1f5cf546d5 100644
--- a/chrome/locale/sv-SE/zotero/zotero.dtd
+++ b/chrome/locale/sv-SE/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rättigheter">
 <!ENTITY zotero.items.dateAdded_column "Tillagt datum">
 <!ENTITY zotero.items.dateModified_column "Ändrat datum">
-<!ENTITY zotero.items.numChildren_column "Visa/dölj underordnade">
 
 <!ENTITY zotero.items.menu.showInLibrary "Visa i bibliotek">
 <!ENTITY zotero.items.menu.attach.note "Lägg till anteckning">
diff --git a/chrome/locale/th-TH/zotero/zotero.dtd b/chrome/locale/th-TH/zotero/zotero.dtd
index a5187b5ce9..3e3f7e72c3 100644
--- a/chrome/locale/th-TH/zotero/zotero.dtd
+++ b/chrome/locale/th-TH/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Rights">
 <!ENTITY zotero.items.dateAdded_column "วันที่เพิ่ม">
 <!ENTITY zotero.items.dateModified_column "วันที่แก้ไข">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "แสดงในไลบรารี่">
 <!ENTITY zotero.items.menu.attach.note "Add Note">
diff --git a/chrome/locale/tr-TR/zotero/zotero.dtd b/chrome/locale/tr-TR/zotero/zotero.dtd
index 9c89c15b8f..de21c3a15a 100644
--- a/chrome/locale/tr-TR/zotero/zotero.dtd
+++ b/chrome/locale/tr-TR/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Telif">
 <!ENTITY zotero.items.dateAdded_column "Eklendiği Tarih">
 <!ENTITY zotero.items.dateModified_column "Değiştirildiği Tarih">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Kitaplıkta Göster">
 <!ENTITY zotero.items.menu.attach.note "Not Ekle">
diff --git a/chrome/locale/vi-VN/zotero/zotero.dtd b/chrome/locale/vi-VN/zotero/zotero.dtd
index 2c70f27b96..bcb2b03676 100644
--- a/chrome/locale/vi-VN/zotero/zotero.dtd
+++ b/chrome/locale/vi-VN/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "Quyền hạn">
 <!ENTITY zotero.items.dateAdded_column "Ngày tạo lập">
 <!ENTITY zotero.items.dateModified_column "Ngày thay đổi">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "Hiển thị trong Thư viện">
 <!ENTITY zotero.items.menu.attach.note "Tạo một Ghi chép">
diff --git a/chrome/locale/zh-CN/zotero/zotero.dtd b/chrome/locale/zh-CN/zotero/zotero.dtd
index 83e0d47977..17a328ca68 100644
--- a/chrome/locale/zh-CN/zotero/zotero.dtd
+++ b/chrome/locale/zh-CN/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "权限">
 <!ENTITY zotero.items.dateAdded_column "添加时间">
 <!ENTITY zotero.items.dateModified_column "修改时间">
-<!ENTITY zotero.items.numChildren_column "+">
 
 <!ENTITY zotero.items.menu.showInLibrary "在书库中显示">
 <!ENTITY zotero.items.menu.attach.note "添加便笺">
diff --git a/chrome/locale/zh-TW/zotero/zotero.dtd b/chrome/locale/zh-TW/zotero/zotero.dtd
index 93c88519af..c443208b42 100644
--- a/chrome/locale/zh-TW/zotero/zotero.dtd
+++ b/chrome/locale/zh-TW/zotero/zotero.dtd
@@ -56,7 +56,6 @@
 <!ENTITY zotero.items.rights_column "權利">
 <!ENTITY zotero.items.dateAdded_column "加入日期">
 <!ENTITY zotero.items.dateModified_column "修改日期">
-<!ENTITY zotero.items.numChildren_column "＋">
 
 <!ENTITY zotero.items.menu.showInLibrary "在圖書館中顯示">
 <!ENTITY zotero.items.menu.attach.note "加入筆記">