Bump up version v2.4

Author: syohex

CHANGES.md

@@ -1,6 +1,6 @@
 # Markdown Mode 2.4
 
-*Under development*
+*May 30, 2020*
 
 *   **Breaking changes:**
 

README.md

@@ -10,15 +10,15 @@
   [leanpub-badge]: https://img.shields.io/badge/leanpub-guide-orange.svg
 
 markdown-mode is a major mode for editing [Markdown][]-formatted
-text.  The latest stable version is markdown-mode 2.3, released on
-August 31, 2017.  See the [release notes][] for details.
+text.  The latest stable version is markdown-mode 2.4, released on
+May 30, 2020.  See the [release notes][] for details.
 markdown-mode is free software, licensed under the GNU GPL,
 version 3 or later.
 
 ![Markdown Mode Screenshot](https://jblevins.org/projects/markdown-mode/screenshots/20170818-001.png)
 
 [Markdown]: http://daringfireball.net/projects/markdown/
-[release notes]: https://jblevins.org/projects/markdown-mode/rev-2-3
+[release notes]: https://github.com/jrblevin/markdown-mode/releases/tag/v2.4
 
 ## Documentation
 
@@ -1073,6 +1073,7 @@ first version was released on May 24, 2007.
   * 2016-01-09: [Version 2.1][]
   * 2017-05-26: [Version 2.2][]
   * 2017-08-31: [Version 2.3][]
+  * 2020-05-30: [Version 2.4][]
 
 [Version 1.1]: https://jblevins.org/projects/markdown-mode/rev-1-1
 [Version 1.2]: https://jblevins.org/projects/markdown-mode/rev-1-2
@@ -1088,3 +1089,4 @@ first version was released on May 24, 2007.
 [Version 2.1]: https://jblevins.org/projects/markdown-mode/rev-2-1
 [Version 2.2]: https://jblevins.org/projects/markdown-mode/rev-2-2
 [Version 2.3]: https://jblevins.org/projects/markdown-mode/rev-2-3
+[Version 2.4]: https://github.com/jrblevin/markdown-mode/releases/tag/v2.4

markdown-mode.el

@@ -1,12 +1,12 @@
 ;;; markdown-mode.el --- Major mode for Markdown-formatted text -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2007-2017 Jason R. Blevins and markdown-mode
+;; Copyright (C) 2007-2020 Jason R. Blevins and markdown-mode
 ;; contributors (see the commit log for details).
 
 ;; Author: Jason R. Blevins <[email protected]>
 ;; Maintainer: Jason R. Blevins <[email protected]>
 ;; Created: May 24, 2007
-;; Version: 2.4-dev
+;; Version: 2.4
 ;; Package-Requires: ((emacs "25.1"))
 ;; Keywords: Markdown, GitHub Flavored Markdown, itex
 ;; URL: https://jblevins.org/projects/markdown-mode/
@@ -51,7 +51,7 @@
 
 ;;; Constants =================================================================
 
-(defconst markdown-mode-version "2.4-dev"
+(defconst markdown-mode-version "2.4"
   "Markdown mode version number.")
 
 (defconst markdown-output-buffer-name "*markdown-output*"