Ticket #2986: new_javascript.patch

django/contrib/admin/views/main.py

@@ -266 +266 @@
                 if type(pk_value) is str: # Quote if string, so JavaScript doesn't think it's a variable.
                     pk_value = '"%s"' % pk_value.replace('"', '\\"')
                 return HttpResponse('<script type="text/javascript">opener.dismissAddAnotherPopup(window, %s, "%s");</script>' % \
-                    (pk_value, str(new_object).replace('"', '\\"')))
+                    (pk_value, str(new_object).replace('"', '\\"').replace('\\', '\\\\').replace('\n', ' ')))
             elif request.POST.has_key("_addanother"):
                 request.user.message_set.create(message=msg + ' ' + (_("You may add another %s below.") % opts.verbose_name))
                 return HttpResponseRedirect(request.path)