# File lib/haml/helpers/action_view_mods.rb, line 133
      def form_for_with_haml(object_name, *args, &proc)
        wrap_block = block_given? && is_haml? && block_is_haml?(proc)
        if wrap_block
          oldproc = proc
          proc = proc {|*subargs| with_tabs(1) {oldproc.call(*subargs)}}
        end
        res = form_for_without_haml(object_name, *args, &proc)
        res << "\n" if wrap_block
        res
      end