(function ($) {

Drupal.behaviors.nodeFieldsetSummaries = {

  attach: function (context) {

    $('fieldset.node-form-revision-information', context).drupalSetSummary(function (context) {

      var revisionCheckbox = $('.form-item-revision input', context);

      // Return 'New revision' if the 'Create new revision' checkbox is checked,

      // or if the checkbox doesn't exist, but the revision log does. For users

      // without the "Administer content" permission the checkbox won't appear,

      // but the revision log will if the content type is set to auto-revision.

      if (revisionCheckbox.is(':checked') || (!revisionCheckbox.length && $('.form-item-log textarea', context).length)) {

        return Drupal.t('New revision');

      }

      return Drupal.t('No revision');

    });

    $('fieldset.node-form-author', context).drupalSetSummary(function (context) {

      var name = $('.form-item-name input', context).val() || Drupal.settings.anonymous,

        date = $('.form-item-date input', context).val();

      return date ?

        Drupal.t('By @name on @date', { '@name': name, '@date': date }) :

        Drupal.t('By @name', { '@name': name });

    });

    $('fieldset.node-form-options', context).drupalSetSummary(function (context) {

      var vals = [];

      $('input:checked', context).parent().each(function () {

        vals.push(Drupal.checkPlain($.trim($(this).text())));

      });

      if (!$('.form-item-status input', context).is(':checked')) {

        vals.unshift(Drupal.t('Not published'));

      }

      return vals.join(', ');

    });

  }

};

})(jQuery);