Strip empty `<kbd>` on backspace in Safari/Firefox

diff --git a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
index fd514ffce86cf5dbf865639309c2a2be3200d658..a8c10a080995e64137863f25167882707388bd5e 100644 (file)
--- a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
+++ b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
@@ -94,6 +94,13 @@ $.Redactor.prototype.WoltLabKeydown = function() {
                                        this.core.editor().find('*[style]').not('span, img, #redactor-image-box, #redactor-image-editter').removeAttr('style');
                                        
                                        this.keydown.formatEmpty(e);
+                                       
+                                       // strip empty <kbd>
+                                       var current = this.selection.current();
+                                       if (current.nodeName === 'KBD' && current.innerHTML.length === 0) {
+                                               elRemove(current);
+                                       }
+                                       
                                        this.code.syncFire = true;
                                        
                                }, this), 1);