# File lib/haml/helpers/action_view_mods.rb, line 111
      def form_tag_with_haml(url_for_options = {}, options = {}, *parameters_for_url, &proc)
        if is_haml?
          wrap_block = block_given? && block_is_haml?(proc)
          if wrap_block
            oldproc = proc
            proc = haml_bind_proc do |*args|
              concat "\n"
              with_tabs(1) {oldproc.call(*args)}
            end
          end
          res = form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc) + "\n"
          res << "\n" if wrap_block
          res
        else
          form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc)
        end
      end