Officially support only Emacs 24.3 and later

Author: fice-t

Makefile

@@ -27,8 +27,6 @@ EMACS := $(shell which "$${EMACS}" || which "emacs")
 EMACS_VERSION := $(shell "$(EMACS)" -Q --batch --eval '(princ emacs-version)')
 
 EFLAGS = --eval "(add-to-list 'load-path (expand-file-name \"tests/compat\") 'append)" \
-	 --eval "(when (< emacs-major-version 24) \
-		    (setq byte-compile-warnings '(not cl-functions)))" \
 	 --eval '(setq byte-compile-error-on-warn t)' \
 	 --eval '(when (not (version< emacs-version "24.4")) (setq load-prefer-newer t))' \
 	 --eval '(defun byte-compile-dest-file (filename) \
@@ -50,8 +48,8 @@ PKG_DIST_FILES = $(ELFILES) logo.svg NEWS haskell-mode.info dir
 all: check-emacs-version compile $(AUTOLOADS) info
 
 check-emacs-version :
-	@$(BATCH) --eval "(when (< emacs-major-version 23)					\
-                            (message \"Error: haskell-mode requires Emacs 23 or later\")	\
+	@$(BATCH) --eval "(when (version< emacs-version \"24.3\")				\
+                            (message \"Error: haskell-mode requires Emacs 24.3 or later\")	\
                             (message \"Your version of Emacs is %s\" emacs-version)		\
                             (message \"Found as '$(EMACS)'\")					\
                             (message \"Use one of:\")						\

README.md

@@ -67,7 +67,7 @@ for setup and user guide.
 
 ## Installation - more information
 
-`haskell-mode` supports GNU Emacs version 24 or later.
+`haskell-mode` supports GNU Emacs version 24.3 or later.
 
 `haskell-mode` is available from [melpa-stable](http://stable.melpa.org) (releases) and [melpa](http://melpa.org)
 (git snapshots).

doc/haskell-mode.texi

@@ -42,7 +42,7 @@ Front-Cover Texts and no Back-Cover Texts.
 @top Haskell Mode
 
 Haskell Mode is an Haskell development Environment for GNU Emacs version
-24 or later.  It provides syntax-based indentation, font locking,
+24.3 or later.  It provides syntax-based indentation, font locking,
 editing cabal files, and supports running an inferior Haskell
 interpreter (e.g. GHCi).
 
@@ -167,7 +167,7 @@ The above steps should result in the following snippet in your @file{.emacs}:
 
 @section Installation - more information
 
-@code{haskell-mode} supports GNU Emacs versions 24 and upcoming 25
+@code{haskell-mode} supports GNU Emacs versions 24.3+, including 25
 (snapshot).
 
 @code{haskell-mode} is available from

haskell-mode-pkg.el

@@ -1,5 +1,5 @@
 (define-package "haskell-mode" "16.1-git" "A Haskell editing mode"
-  '((emacs "24.1") (cl-lib "0.5"))
+  '((emacs "24.3"))
   :url "https://github.com/haskell/haskell-mode"
   :keywords '("haskell" "cabal" "ghc" "repl"))
 ;; Local Variables:

haskell-mode.el

@@ -786,8 +786,8 @@ Minor modes that work well with `haskell-mode':
 - `smerge-mode': show and work with diff3 conflict markers used
   by git, svn and other version control systems."
   :group 'haskell
-  (when (< emacs-major-version 24)
-    (error "haskell-mode requires at least Emacs 24"))
+  (when (version< emacs-version "24.3")
+    (error "haskell-mode requires at least Emacs 24.3"))
 
   ;; paragraph-{start,separate} should treat comments as paragraphs as well.
   (set (make-local-variable 'paragraph-start)