Merge pull request #289 from plone/erral-fix-i18n

fix i18n

Author: davisagli

news/+i18n-2.bugfix

@@ -0,0 +1 @@
+Do not create empty translatable strings @erral

src/plone/app/discussion/browser/comments.py

@@ -90,7 +90,7 @@ def updateWidgets(self):
         # Widgets
         self.widgets["in_reply_to"].mode = interfaces.HIDDEN_MODE
         self.widgets["text"].addClass("autoresize")
-        self.widgets["user_notification"].label = _("")
+        self.widgets["user_notification"].label = ""
         # Reset widget field settings to their defaults, which may be changed
         # further on.  Otherwise, the email field might get set to required
         # when an anonymous user visits, and then remain required when an