Update copyright notices

Author: taku0

README.md

@@ -219,7 +219,7 @@ Thanks to [@purcell](https://github.com/purcell) (Steve Purcell) for advices on
 
 ## License
 
-GPLv3. See [COPYING][] for details. Copyright (C) 2014-2016 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev.
+GPLv3. See [COPYING][] for details. Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov, Arthur Evstifeev.
 
 [badge-license]: https://img.shields.io/badge/license-GPL_3-green.svg
 [badge-run-test]: https://github.com/swift-emacs/swift-mode/workflows/Run%20Tests/badge.svg

swift-mode-beginning-of-defun.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-beginning-of-defun.el --- Major-mode for Apple's Swift programming language, beginning/end-of-defun. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2019 taku0
+;; Copyright (C) 2014-2021 taku0
 
 ;; Authors: taku0 (http://github.com/taku0)
 

swift-mode-font-lock.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-font-lock.el --- Major-mode for Apple's Swift programming language, Font Locks. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev, Michael Sanders
 
 ;; Authors: taku0 (http://github.com/taku0)

swift-mode-imenu.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-imenu.el --- Major-mode for Apple's Swift programming language, , Imenu -*- lexical-binding: t -*-
 
-;; Copyright (C) 2019 taku0
+;; Copyright (C) 2019-2021 taku0
 
 ;; Authors: taku0 (http://github.com/taku0)
 

swift-mode-indent.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-indent.el --- Major-mode for Apple's Swift programming language, indentation. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev
 
 ;; Authors: taku0 (http://github.com/taku0)

swift-mode-lexer.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-lexer.el --- Major-mode for Apple's Swift programming language, lexer. -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev
 
 ;; Authors: taku0 (http://github.com/taku0)

swift-mode-repl.el

@@ -1,6 +1,6 @@
 ;;; swift-mode-repl.el --- Run Apple's Swift processes in Emacs buffers -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev, Michael Sanders
 
 ;; Authors: taku0 (http://github.com/taku0)

swift-mode.el

@@ -1,6 +1,6 @@
 ;;; swift-mode.el --- Major-mode for Apple's Swift programming language -*- lexical-binding: t -*-
 
-;; Copyright (C) 2014-2020 taku0, Chris Barrett, Bozhidar Batsov,
+;; Copyright (C) 2014-2021 taku0, Chris Barrett, Bozhidar Batsov,
 ;;                         Arthur Evstifeev
 
 ;; Authors: taku0 (http://github.com/taku0)