diff --git a/i18n/de.json b/i18n/de.json
index b93303f7..2c6f200b 100644
--- a/i18n/de.json
+++ b/i18n/de.json
@@ -31,8 +31,8 @@
         "Falscher Lösch-Code. Text wurde nicht gelöscht.",
     "Paste was properly deleted.":
         "Text wurde erfolgreich gelöscht.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript ist eine Voraussetzung, um %s zu nutzen.<br />Bitte entschuldige die Unannehmlichkeiten.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript ist eine Voraussetzung, um %s zu nutzen. Bitte entschuldige die Unannehmlichkeiten.",
     "%s requires a modern browser to work.":
         "%s setzt einen modernen Browser voraus, um funktionieren zu können.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/es.json b/i18n/es.json
index ec4fe804..3195ec4a 100644
--- a/i18n/es.json
+++ b/i18n/es.json
@@ -31,8 +31,8 @@
         "Token de eliminación erróneo. El texto no fue eliminado.",
     "Paste was properly deleted.":
         "El texto se ha eliminado correctamente.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript es necesario para que %s funcione.<br />Sentimos los inconvenientes ocasionados.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript es necesario para que %s funcione. Sentimos los inconvenientes ocasionados.",
     "%s requires a modern browser to work.":
         "%s requiere un navegador moderno para funcionar.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/fr.json b/i18n/fr.json
index 61171437..96e22a2c 100644
--- a/i18n/fr.json
+++ b/i18n/fr.json
@@ -31,8 +31,8 @@
         "Jeton de suppression incorrect. Le paste n'a pas été supprimé.",
     "Paste was properly deleted.":
         "Le paste a été correctement supprimé.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript est requis pour faire fonctionner %s. <br />Désolé pour cet inconvénient.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript est requis pour faire fonctionner %s. Désolé pour cet inconvénient.",
     "%s requires a modern browser to work.":
         "%s nécessite un navigateur moderne pour fonctionner.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/hu.json b/i18n/hu.json
index 23a43bc1..6d85b63c 100644
--- a/i18n/hu.json
+++ b/i18n/hu.json
@@ -31,7 +31,7 @@
         "Hibás törlési azonosító. A bejegyzés nem lett törölve.",
     "Paste was properly deleted.":
         "A bejegyzés sikeresen törölve.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
         "JavaScript szükséges a %s működéséhez. Elnézést a fennakadásért.",
     "%s requires a modern browser to work.":
         "A %s működéséhez a jelenleginél újabb böngészőre van szükség.",
diff --git a/i18n/it.json b/i18n/it.json
index b87afac9..f4400434 100644
--- a/i18n/it.json
+++ b/i18n/it.json
@@ -31,8 +31,8 @@
         "Codice cancellazione errato. Il messaggio NON è stato cancellato.",
     "Paste was properly deleted.":
         "Il messaggio è stato correttamente cancellato.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "%s funziona solo con JavaScript attivo.<br />Ci dispiace per l'inconveniente.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "%s funziona solo con JavaScript attivo. Ci dispiace per l'inconveniente.",
     "%s requires a modern browser to work.":
         "%s richiede un browser moderno e aggiornato per funzionare.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/nl.json b/i18n/nl.json
index 8991b815..9bbc8549 100644
--- a/i18n/nl.json
+++ b/i18n/nl.json
@@ -31,8 +31,8 @@
         "Foutieve verwijdercode. Geplakte tekst is niet verwijderd.",
     "Paste was properly deleted.":
         "Geplakte tekst is correct verwijderd.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript vereist om %s te laten werken.<br />Sorry voor het ongemak.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript vereist om %s te laten werken. Sorry voor het ongemak.",
     "%s requires a modern browser to work.":
         "%s vereist een moderne browser om te kunnen werken ",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/no.json b/i18n/no.json
index 06fc1213..a11bcbb4 100644
--- a/i18n/no.json
+++ b/i18n/no.json
@@ -31,8 +31,8 @@
         "Feil slettingsnøkkel. Innlegg ble ikke fjernet.",
     "Paste was properly deleted.":
         "Innlegget er slettet.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "Javascript kreves for at %s skal fungere<br />Beklager.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "Javascript kreves for at %s skal fungere. Beklager.",
     "%s requires a modern browser to work.":
         "%s krever en moderne nettleser for å fungere.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/oc.json b/i18n/oc.json
index 2902304e..bc16e4cb 100644
--- a/i18n/oc.json
+++ b/i18n/oc.json
@@ -31,8 +31,8 @@
         "Geton de supression incorrècte. Lo tèxte es pas estat suprimit.",
     "Paste was properly deleted.":
         "Lo tèxte es estat correctament suprimit.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript es requesit per far foncionar %s. <br />O planhèm per l’inconvenient.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript es requesit per far foncionar %s. O planhèm per l’inconvenient.",
     "%s requires a modern browser to work.":
         "%s necessita un navigator modèrn per foncionar.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/pl.json b/i18n/pl.json
index 7440cf05..0dbfc2d7 100644
--- a/i18n/pl.json
+++ b/i18n/pl.json
@@ -31,7 +31,7 @@
         "Nieprawidłowy token usuwania. Wklejka nie została usunięta.",
     "Paste was properly deleted.":
         "Wklejka usunięta poprawnie.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
         "Do działania %sa jest wymagany JavaScript. Przepraszamy za tę niedogodność.",
     "%s requires a modern browser to work.":
         "%s wymaga do działania nowoczesnej przeglądarki.",
diff --git a/i18n/pt.json b/i18n/pt.json
index 339e7ff6..255adf1c 100644
--- a/i18n/pt.json
+++ b/i18n/pt.json
@@ -31,8 +31,8 @@
         "Token de remoção inválido. A cópia não foi excluída.",
     "Paste was properly deleted.":
         "A cópia foi devidamente excluída.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "JavaScript é necessário para que %s funcione.<br />Pedimos desculpas pela inconveniência.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "JavaScript é necessário para que %s funcione. Pedimos desculpas pela inconveniência.",
     "%s requires a modern browser to work.":
         "%s requer um navegador moderno para funcionar.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/ru.json b/i18n/ru.json
index 0867e780..b7d18655 100644
--- a/i18n/ru.json
+++ b/i18n/ru.json
@@ -31,8 +31,8 @@
         "Неверный ключ удаления записи. Запись не удалена",
     "Paste was properly deleted.":
         "Запись была успешно удалена.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "Для работы %s требуется включенный JavaScript.<br />Приносим извинения за неудобства.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "Для работы %s требуется включенный JavaScript. Приносим извинения за неудобства.",
     "%s requires a modern browser to work.":
         "Для работы %s требуется более современный браузер.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/sl.json b/i18n/sl.json
index f58a1632..99b1587d 100644
--- a/i18n/sl.json
+++ b/i18n/sl.json
@@ -31,8 +31,8 @@
         "Napačen token za izbris. Prilepek ni bil izbrisan..",
     "Paste was properly deleted.":
         "Prilepek je uspešno izbrisan.",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "Da %s deluje, moraš vklopiti JavaScript.<br />Oprosti za povročene nevšečnosti.",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "Da %s deluje, moraš vklopiti JavaScript. Oprosti za povročene nevšečnosti.",
     "%s requires a modern browser to work.":
         "%s za svoje delovanje potrebuje moderen brskalnik.",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/i18n/zh.json b/i18n/zh.json
index d6ec69a1..1fa41d28 100644
--- a/i18n/zh.json
+++ b/i18n/zh.json
@@ -31,8 +31,8 @@
         "错误的删除token，粘贴没有被删除。",
     "Paste was properly deleted.":
         "粘贴已被正确删除。",
-    "JavaScript is required for %s to work.<br />Sorry for the inconvenience.":
-        "%s需要JavaScript来进行加解密。<br />带来的不便敬请谅解。",
+    "JavaScript is required for %s to work. Sorry for the inconvenience.":
+        "%s需要JavaScript来进行加解密。 给你带来的不便敬请谅解。",
     "%s requires a modern browser to work.":
         "%s需要工作于现代化的浏览器。",
     "Still using Internet Explorer? Do yourself a favor, switch to a modern browser:":
diff --git a/lib/I18n.php b/lib/I18n.php
index ff5a08ab..d01e37b7 100644
--- a/lib/I18n.php
+++ b/lib/I18n.php
@@ -125,6 +125,15 @@ class I18n
         } else {
             $args[0] = self::$_translations[$messageId];
         }
+        // encode any non-integer arguments and the message ID, if it doesn't contain a link
+        $argsCount = count($args);
+        if ($argsCount > 1) {
+            for ($i = 0; $i < $argsCount; ++$i) {
+                if (($i > 0 && !is_int($args[$i])) || strpos($args[0], '<a') === false) {
+                    $args[$i] = htmlentities($args[$i], ENT_QUOTES | ENT_XHTML | ENT_DISALLOWED, 'UTF-8');
+                }
+            }
+        }
         return call_user_func_array('sprintf', $args);
     }