def render(template_name, view_handler, locals, &content)
      self.erb_source.render(template_name, render_locals(view_handler, locals), &content)
    end
def render(template_name, view_handler, locals, &content)
      self.erb_source.render(template_name, render_locals(view_handler, locals), &content)
    end
render the template including the handler as a local