lib/action_view/view_paths.rb in actionview-4.2.0.beta3 vs lib/action_view/view_paths.rb in actionview-4.2.0.beta4

@@ -36,10 +36,14 @@
       end
 
       def handle_deprecated_parent_prefixes # TODO: remove in 4.3/5.0.
         return unless respond_to?(:parent_prefixes)
 
-        ActiveSupport::Deprecation.warn "Overriding ActionController::Base::parent_prefixes is deprecated, override .local_prefixes instead."
+        ActiveSupport::Deprecation.warn(<<-MSG.squish)
+          Overriding `ActionController::Base::parent_prefixes` is deprecated,
+          override `.local_prefixes` instead.
+        MSG
+
         local_prefixes + parent_prefixes
       end
     end
 
     # The prefixes used in render "foo" shortcuts.