# File lib/haml/helpers/action_view_mods.rb, line 163
        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 {|*args| with_tabs(1) {oldproc.call(*args)}}
          end
          res = form_for_without_haml(object_name, *args, &proc)
          res << "\n" if wrap_block
          res
        end