# File lib/haml/helpers/action_view_mods.rb, line 194
        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"
                tab_up
                oldproc.call(*args)
                tab_down
                concat haml_indent
              end
              concat haml_indent
            end
            res = form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc) + "\n"
            if block_given?
              concat "\n"
              return Haml::Helpers::ErrorReturn.new("form_tag")
            end
            res
          else
            form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc)
          end
        end