public static void main(String [] args) {
	final Display display = new Display();
	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout ());
	final Text text0 = new Text (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
	final Text text1 = new Text (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
	text0.addVerifyListener (new VerifyListener () {
		@Override
		public void verifyText (VerifyEvent event) {
			text1.setTopIndex (text0.getTopIndex ());
			text1.setSelection (event.start, event.end);
			text1.insert (event.text);
		}
	});
	shell.setBounds(10, 10, 200, 200);
	shell.open ();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) display.sleep();
	}
	display.dispose();
}