src/java.desktop/unix/classes/sun/awt/X11InputMethodBase.java

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 509,519 ****
          String flush = (committedText != null ? committedText : "");
          if (composedText != null) {
              flush += composedText.toString();
          }
  
!         if (!flush.equals("")) {
              AttributedString attrstr = new AttributedString(flush);
              postInputMethodEvent(InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
                                   attrstr.getIterator(),
                                   flush.length(),
                                   null,
--- 509,519 ----
          String flush = (committedText != null ? committedText : "");
          if (composedText != null) {
              flush += composedText.toString();
          }
  
!         if (!flush.isEmpty()) {
              AttributedString attrstr = new AttributedString(flush);
              postInputMethodEvent(InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
                                   attrstr.getIterator(),
                                   flush.length(),
                                   null,