}
            public void undoableEditHappened(UndoableEditEvent evt) {            undoF.addEdit(evt.getEdit());            // adding a "*" to the file name, when the file has changed but not saved            if (jframe.getTabbed().getComponentCount()!=0  && jframe.getCurrentFilename().indexOf("*")==-1){                jframe.getTabbed().setTitleAt( jframe.getTabbed().getSelectedIndex(), jframe.getCurrentFilename()+"*");            }            }