modules/javafx.web/src/main/java/com/sun/javafx/webkit/theme/PopupMenuImpl.java

*** 101,110 ****
--- 101,112 ----
          } else {
              item = new MenuItem(itemText);
              item.setDisable(!isEnabled);
              // TODO: set the rest of properties
          }
+ 
+         item.setMnemonicParsing(false);
          popupMenu.getItems().add(item);
      }
  
      @Override protected void setSelectedItem(int index) {
          log.log(Level.FINEST, "index={0}", index);