Delete the line

• /home/barbar84/www/wp-inclu.../js/tinymce/themes/inlite

• File: theme.js

• Dòng [9438/9792]:

return '<div id="' + id + '" class="' + self.classes + '" role="button"' + ariaPressed + ' tabindex="-1">' + '<button type="button" hidefocus="1" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + '</button>' + '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' + (self._menuBtnText ? (icon ? '\xA0' : '') + self._menuBtnText : '') + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';