# File lib/formtastic-bootstrap/inputs/base/wrapping.rb, line 19
        def input_content(&block)
          content = [
            add_on_content(options[:prepend]),
            options[:prepend_content],
            yield,
            add_on_content(options[:append]),
            options[:append_content]
          ].compact.join("\n").html_safe

          if prepended_or_appended?(options)
            template.content_tag(:div, content, :class => add_on_wrapper_classes(options).join(" "))
          else
            content
          end
        end