diff -u b/core/modules/text/text.js b/core/modules/text/text.js --- b/core/modules/text/text.js +++ b/core/modules/text/text.js @@ -41,7 +41,7 @@ }).appendTo($summaryLabel); // If no summary is set, hide the summary field. - if ($widget.find('.text-summary').val() === '') { + if ($widget.find('.js-text-summary').val() === '') { $link.trigger('click'); } });