dirty fix for rendering bug

lib/widget/filters.rb

@@ -55,7 +55,8 @@ class Widget::Filters < Widget::Base
 
   def render_filter(f_cls, f_inst)
     f = f_inst || f_cls
-    html = render_widget Filters::Label, f
+    html = ''.html_safe
+    render_widget Filters::Label, f, :to => html
     render_widget Filters::Operators, f, :to => html
     if engine::Operator.string_operators.all? { |o| f_cls.available_operators.include? o }
       render_widget Filters::TextBox, f, :to => html

lib/widget/settings.rb

@@ -16,7 +16,8 @@ class Widget::Settings < Widget::Base
         end
 
         controls = content_tag :div, :class => "buttons form_controls" do
-          widgets = render_widget(Widget::Controls::Apply, @subject)
+          widgets = ''.html_safe
+          render_widget(Widget::Controls::Apply, @subject, :to => widgets)
           render_widget(Widget::Controls::Save, @subject, :to => widgets,
                         :can_save => allowed_to?(:save, @subject, current_user))
           render_widget(Widget::Controls::SaveAs, @subject, :to => widgets,