Issue #2717599 by thpoul, effulgentsia, Wim Leers, helenc, criz,...

Issue #2717599 by thpoul, effulgentsia, Wim Leers, helenc, criz, shashikant_chauhan, snehi, zserno, pashupathi nath gajawada, ifrik, webchick, Jeff Burnz, xjm, valthebald, Bojhan, yoroy, mlewand: Text editors do not respect <textarea rows>: make that clear in the formatted text field widgets

core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php

@@ -20,6 +20,15 @@
  */
 class TextareaWidget extends StringTextareaWidget {
 
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $element = parent::settingsForm($form, $form_state);
+    $element['rows']['#description'] = $this->t('Text editors (like CKEditor) may override this setting.');
+    return $element;
+  }
+
   /**
    * {@inheritdoc}
    */

core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php

@@ -39,6 +39,7 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
       '#type' => 'number',
       '#title' => t('Summary rows'),
       '#default_value' => $this->getSetting('summary_rows'),
+      '#description' => $element['rows']['#description'],
       '#required' => TRUE,
       '#min' => 1,
     );