Use lexical binding for ediff

* lisp/vc/ediff-diff.el:
* lisp/vc/ediff-help.el:
* lisp/vc/ediff-hook.el:
* lisp/vc/ediff-init.el:
* lisp/vc/ediff-merg.el:
* lisp/vc/ediff-vers.el:
* lisp/vc/ediff-wind.el:
* lisp/vc/ediff-mult.el:
* lisp/vc/ediff-ptch.el:
* lisp/vc/ediff.el: Use lexical binding.
(ediff-version): Increase.
(ediff-date): Remove.

diff --git a/lisp/vc/ediff-diff.el b/lisp/vc/ediff-diff.el
index a1d27af79d123ccfba67d288e9ebe277967f9173..f6b68bbd7dfaeab733c8c3c4a86bd54cca12de17 100644 (file)
--- a/lisp/vc/ediff-diff.el
+++ b/lisp/vc/ediff-diff.el
@@ -1,4 +1,4 @@
-;;; ediff-diff.el --- diff-related utilities
+;;; ediff-diff.el --- diff-related utilities  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-help.el b/lisp/vc/ediff-help.el
index 11c8b35bca271c22a94086b46df8fbc86f40b6a9..74a4068a7f64c40f177283bf858dcfc6245d3dcd 100644 (file)
--- a/lisp/vc/ediff-help.el
+++ b/lisp/vc/ediff-help.el
@@ -1,4 +1,4 @@
-;;; ediff-help.el --- Code related to the contents of Ediff help buffers
+;;; ediff-help.el --- Code related to the contents of Ediff help buffers  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
 
@@ -30,6 +30,7 @@
 ;; end pacifier
 
 (require 'ediff-init)
+(defvar ediff-multiframe)
 
 ;; Help messages
 

diff --git a/lisp/vc/ediff-hook.el b/lisp/vc/ediff-hook.el
index 84122150ad33528318961b89a7a8712cb4f75f9e..6ece7af5e6589a8d96a73e502acebee360b0c5ed 100644 (file)
--- a/lisp/vc/ediff-hook.el
+++ b/lisp/vc/ediff-hook.el
@@ -1,4 +1,4 @@
-;;; ediff-hook.el --- setup for Ediff's menus and autoloads
+;;; ediff-hook.el --- setup for Ediff's menus and autoloads  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-init.el b/lisp/vc/ediff-init.el
index a74d6a8b4d1ddd061e28f6851f4cafcd6b78dc20..41871d4b7cf5014af070c24e495896f2a374a7a1 100644 (file)
--- a/lisp/vc/ediff-init.el
+++ b/lisp/vc/ediff-init.el
@@ -1,4 +1,4 @@
-;;; ediff-init.el --- Macros, variables, and defsubsts used by Ediff
+;;; ediff-init.el --- Macros, variables, and defsubsts used by Ediff  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-merg.el b/lisp/vc/ediff-merg.el
index a511f4488f1ef98c29af7be76cf2e98b8eee60ef..e08d899bd08203a6c36e65419886652e568e9e83 100644 (file)
--- a/lisp/vc/ediff-merg.el
+++ b/lisp/vc/ediff-merg.el
@@ -1,4 +1,4 @@
-;;; ediff-merg.el --- merging utilities
+;;; ediff-merg.el --- merging utilities  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-mult.el b/lisp/vc/ediff-mult.el
index 21f89168b3e664469daa086a609572368bfb02b0..8ac8eff986c347fe2a1462c522d34488ce68f358 100644 (file)
--- a/lisp/vc/ediff-mult.el
+++ b/lisp/vc/ediff-mult.el
@@ -1,4 +1,4 @@
-;;; ediff-mult.el --- support for multi-file/multi-buffer processing in Ediff
+;;; ediff-mult.el --- support for multi-file/multi-buffer processing in Ediff  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
 
@@ -714,7 +714,7 @@ behavior."
 ;; we may visit them recursively.  DIR1 is the directory to inspect.
 ;; MERGE-AUTOSTORE-DIR is the directory where to auto-store the results of
 ;; merges.  Can be nil.
-(defun ediff-get-directory-files-under-revision (jobname
+(defun ediff-get-directory-files-under-revision (_jobname
                                                 regexp dir1
                                                 &optional merge-autostore-dir)
   (let (lis1 elt common auxdir1)
@@ -760,7 +760,7 @@ behavior."
                                      auxdir1 nil nil
                                      merge-autostore-dir nil)
      (mapcar (lambda (elt) (ediff-make-new-meta-list-element
-                           (expand-file-name (concat auxdir1 elt)) nil nil))
+                      (expand-file-name (concat auxdir1 elt)) nil nil))
             common))
     ))
 
@@ -798,8 +798,8 @@ behavior."
 ;; Prepare meta-buffer in accordance with the argument-function and
 ;; redraw-function.  Must return the created  meta-buffer.
 (defun ediff-prepare-meta-buffer (action-func meta-list
-                                 meta-buffer-name redraw-function
-                                 jobname &optional startup-hooks)
+                                             meta-buffer-name redraw-function
+                                             jobname &optional _startup-hooks)
   (let* ((meta-buffer-name
          (ediff-unique-buffer-name meta-buffer-name "*"))
         (meta-buffer (get-buffer-create meta-buffer-name)))
@@ -1583,8 +1583,7 @@ Useful commands:
 
 ;; Returns whether session was marked or unmarked
 (defun ediff-mark-session-for-hiding (info unmark)
-  (let ((session-buf (ediff-get-session-buffer info))
-       ignore)
+  (let (ignore)
     (cond ((eq unmark 'mark) (setq unmark nil))
          ((eq (ediff-get-session-status info) ?H) (setq unmark t))
          (unmark  ; says unmark, but the marker is different from H

diff --git a/lisp/vc/ediff-ptch.el b/lisp/vc/ediff-ptch.el
index 70c03b5c0133097810adb349ee8818a67d2f3043..21e1e2ee161360cca46cb0d9630db988ece9ab44 100644 (file)
--- a/lisp/vc/ediff-ptch.el
+++ b/lisp/vc/ediff-ptch.el
@@ -1,4 +1,4 @@
-;;; ediff-ptch.el --- Ediff's  patch support
+;;; ediff-ptch.el --- Ediff's  patch support  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-vers.el b/lisp/vc/ediff-vers.el
index 664ae5ae94e9200f96b6efa2191e606ead6058c4..049fdc880b133e891dfc02aff3028c5634dbe6cc 100644 (file)
--- a/lisp/vc/ediff-vers.el
+++ b/lisp/vc/ediff-vers.el
@@ -1,4 +1,4 @@
-;;; ediff-vers.el --- version control interface to Ediff
+;;; ediff-vers.el --- version control interface to Ediff  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1995-1997, 2001-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff-wind.el b/lisp/vc/ediff-wind.el
index 492ddd3417aa3097e4cc93744f973a65d2d82dc5..559a20b023423681dcbfd8ee01d97f051ce7c111 100644 (file)
--- a/lisp/vc/ediff-wind.el
+++ b/lisp/vc/ediff-wind.el
@@ -1,4 +1,4 @@
-;;; ediff-wind.el --- window manipulation utilities
+;;; ediff-wind.el --- window manipulation utilities  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1994-1997, 2000-2019 Free Software Foundation, Inc.
 

diff --git a/lisp/vc/ediff.el b/lisp/vc/ediff.el
index 0dfbe2ea66f0dd3f4b37f93f1010dec1c392e88a..e13c7b93a91d1d48f29ee81d441a3c8693c214e7 100644 (file)
--- a/lisp/vc/ediff.el
+++ b/lisp/vc/ediff.el
@@ -1,21 +1,18 @@
-;;; ediff.el --- a comprehensive visual interface to diff & patch
+;;; ediff.el --- a comprehensive visual interface to diff & patch  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
 
 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
 ;; Created: February 2, 1994
 ;; Keywords: comparing, merging, patching, vc, tools, unix
-;; Version: 2.81.4
+;; Version: 2.81.6
+(defconst ediff-version "2.81.6" "The current version of Ediff")
 
 ;; Yoni Rabkin <yoni@rabkins.net> contacted the maintainer of this
 ;; file on 20/3/2008, and the maintainer agreed that when a bug is
 ;; filed in the Emacs bug reporting system against this file, a copy
 ;; of the bug report be sent to the maintainer's email address.
 
-(defconst ediff-version "2.81.5" "The current version of Ediff")
-(defconst ediff-date "July 4, 2013" "Date of last update")
-
-
 ;; This file is part of GNU Emacs.
 
 ;; GNU Emacs is free software: you can redistribute it and/or modify
@@ -1546,7 +1543,7 @@ When called interactively, displays the version."
           (interactive-p)
         (called-interactively-p 'interactive))
       (message "%s" (ediff-version))
-    (format "Ediff %s of %s" ediff-version ediff-date)))
+    (format "Ediff %s" ediff-version)))
 
 ;; info is run first, and will autoload info.el.
 (declare-function Info-goto-node "info" (nodename &optional fork strict-case))