Trailing whitespace deleted.

1 files changed, 103 insertions, 103 deletions

diff --git a/lisp/ediff.el b/lisp/ediff.el
index 351809482aa..2525a07658e 100644
--- a/lisp/ediff.el
+++ b/lisp/ediff.el
@@ -7,7 +7,7 @@
 ;; Keywords: comparing, merging, patching, tools, unix
 
 (defconst ediff-version "2.78" "The current version of Ediff")
-(defconst ediff-date "January 25, 2003" "Date of last update")  
+(defconst ediff-date "January 25, 2003" "Date of last update")
 
 
 ;; This file is part of GNU Emacs.
@@ -200,13 +200,13 @@
 	 dir-B f)
      (list (setq f (ediff-read-file-name
 		    "File A to compare"
-		    dir-A 
+		    dir-A
 		    (ediff-get-default-file-name)
 		    'no-dirs))
-	   (ediff-read-file-name "File B to compare" 
+	   (ediff-read-file-name "File B to compare"
 				 (setq dir-B
 				       (if ediff-use-last-dir
-					   ediff-last-dir-B 
+					   ediff-last-dir-B
 					 (file-name-directory f)))
 				 (progn
 				   (setq file-name-history
@@ -217,7 +217,7 @@
 					       file-name-history))
 				   (ediff-get-default-file-name f 1)))
 	   )))
-  (ediff-files-internal file-A 
+  (ediff-files-internal file-A
 			(if (file-directory-p file-B)
 			    (expand-file-name
 			     (file-name-nondirectory file-A) file-B)
@@ -225,7 +225,7 @@
 			nil ; file-C
 			startup-hooks
 			'ediff-files))
-  
+
 ;;;###autoload
 (defun ediff-files3 (file-A file-B file-C &optional startup-hooks)
   "Run Ediff on three files, FILE-A, FILE-B, and FILE-C."
@@ -239,7 +239,7 @@
 		    dir-A
 		    (ediff-get-default-file-name)
 		    'no-dirs))
-	   (setq ff (ediff-read-file-name "File B to compare" 
+	   (setq ff (ediff-read-file-name "File B to compare"
 					  (setq dir-B
 						(if ediff-use-last-dir
 						    ediff-last-dir-B
@@ -253,7 +253,7 @@
 						     dir-B))
 						   file-name-history))
 					    (ediff-get-default-file-name f 1))))
-	   (ediff-read-file-name "File C to compare" 
+	   (ediff-read-file-name "File C to compare"
 				 (setq dir-C (if ediff-use-last-dir
 						 ediff-last-dir-C
 					       (file-name-directory ff)))
@@ -266,7 +266,7 @@
 					       file-name-history))
 				   (ediff-get-default-file-name ff 2)))
 	   )))
-  (ediff-files-internal file-A 
+  (ediff-files-internal file-A
 			(if (file-directory-p file-B)
 			    (expand-file-name
 			     (file-name-nondirectory file-A) file-B)
@@ -282,7 +282,7 @@
 (defalias 'ediff3 'ediff-files3)
 
 
-;; Visit FILE and arrange its buffer to Ediff's liking. 
+;; Visit FILE and arrange its buffer to Ediff's liking.
 ;; FILE is actually a variable symbol that must contain a true file name.
 ;; BUFFER-NAME is a variable symbol, which will get the buffer object into
 ;; which FILE is read.
@@ -299,17 +299,17 @@
 	   (error "File `%s' does not exist or is not readable" file))
 	  ((file-directory-p file)
 	   (error "File `%s' is a directory" file)))
-	
+
     ;; some of the commands, below, require full file name
     (setq file (expand-file-name file))
-  
+
     ;; Record the directory of the file
     (if last-dir
 	(set last-dir (expand-file-name (file-name-directory file))))
-    
+
     ;; Setup the buffer
     (set buffer-name (find-file-noselect file))
-  
+
     (ediff-with-current-buffer (symbol-value buffer-name)
       (widen) ; Make sure the entire file is seen
       (cond (file-magic  ;   file has a handler, such as jka-compr-handler or
@@ -362,7 +362,7 @@
 		 startup-hooks
 		 (list (cons 'ediff-job-name job-name))
 		 merge-buffer-file)))
-  
+
 
 ;;;###autoload
 (defalias 'ediff 'ediff-files)
@@ -387,7 +387,7 @@ If this file is a backup, `ediff' it with its original."
 ;;;###autoload
 (defun ediff-buffers (buffer-A buffer-B &optional startup-hooks job-name)
   "Run Ediff on a pair of buffers, BUFFER-A and BUFFER-B."
-  (interactive 
+  (interactive
    (let (bf)
      (list (setq bf (read-buffer "Buffer A to compare: "
 				 (ediff-other-buffer "") t))
@@ -404,12 +404,12 @@ If this file is a backup, `ediff' it with its original."
 ;;;###autoload
 (defalias 'ebuffers 'ediff-buffers)
 
-      
+
 ;;;###autoload
 (defun ediff-buffers3 (buffer-A buffer-B buffer-C
 				 &optional startup-hooks job-name)
   "Run Ediff on three buffers, BUFFER-A, BUFFER-B, and BUFFER-C."
-  (interactive 
+  (interactive
    (let (bf bff)
      (list (setq bf (read-buffer "Buffer A to compare: "
 				 (ediff-other-buffer "") t))
@@ -433,9 +433,9 @@ If this file is a backup, `ediff' it with its original."
 
 ;;;###autoload
 (defalias 'ebuffers3 'ediff-buffers3)
-      
 
-			
+
+
 ;; MERGE-BUFFER-FILE is the file to be associated with the merge buffer
 (defun ediff-buffers-internal (buf-A buf-B buf-C startup-hooks job-name
 				     &optional merge-buffer-file)
@@ -459,12 +459,12 @@ If this file is a backup, `ediff' it with its original."
 	(setq buf-B-file-name (file-name-nondirectory buf-B-file-name)))
     (if (stringp buf-C-file-name)
 	(setq buf-C-file-name (file-name-nondirectory buf-C-file-name)))
-	
+
     (setq file-A (ediff-make-temp-file buf-A buf-A-file-name)
 	  file-B (ediff-make-temp-file buf-B buf-B-file-name))
     (if buf-C-is-alive
 	(setq file-C (ediff-make-temp-file buf-C buf-C-file-name)))
-	  
+
     (ediff-setup (get-buffer buf-A) file-A
 		 (get-buffer buf-B) file-B
 		 (if buf-C-is-alive (get-buffer buf-C))
@@ -503,9 +503,9 @@ expression; only file names that match the regexp are considered."
    (let ((dir-A (ediff-get-default-directory-name))
 	 f)
      (list (setq f (ediff-read-file-name "Directory A to compare:" dir-A nil))
-	   (ediff-read-file-name "Directory B to compare:" 
+	   (ediff-read-file-name "Directory B to compare:"
 				 (if ediff-use-last-dir
-				     ediff-last-dir-B 
+				     ediff-last-dir-B
 				   (ediff-strip-last-dir f))
 				 nil)
 	   (read-string "Filter through regular expression: "
@@ -549,14 +549,14 @@ regular expression; only file names that match the regexp are considered."
    (let ((dir-A (ediff-get-default-directory-name))
 	 f)
      (list (setq f (ediff-read-file-name "Directory A to compare:" dir-A nil))
-	   (setq f (ediff-read-file-name "Directory B to compare:" 
+	   (setq f (ediff-read-file-name "Directory B to compare:"
 					 (if ediff-use-last-dir
-					     ediff-last-dir-B 
+					     ediff-last-dir-B
 					   (ediff-strip-last-dir f))
 					 nil))
-	   (ediff-read-file-name "Directory C to compare:" 
+	   (ediff-read-file-name "Directory C to compare:"
 				 (if ediff-use-last-dir
-				     ediff-last-dir-C 
+				     ediff-last-dir-C
 				   (ediff-strip-last-dir f))
 				 nil)
 	   (read-string "Filter through regular expression: "
@@ -578,9 +578,9 @@ expression; only file names that match the regexp are considered."
    (let ((dir-A (ediff-get-default-directory-name))
 	 f)
      (list (setq f (ediff-read-file-name "Directory A to merge:" dir-A nil))
-	   (ediff-read-file-name "Directory B to merge:" 
+	   (ediff-read-file-name "Directory B to merge:"
 				 (if ediff-use-last-dir
-				     ediff-last-dir-B 
+				     ediff-last-dir-B
 				   (ediff-strip-last-dir f))
 				 nil)
 	   (read-string "Filter through regular expression: "
@@ -607,14 +607,14 @@ only file names that match the regexp are considered."
    (let ((dir-A (ediff-get-default-directory-name))
 	 f)
      (list (setq f (ediff-read-file-name "Directory A to merge:" dir-A nil))
-	   (setq f (ediff-read-file-name "Directory B to merge:" 
+	   (setq f (ediff-read-file-name "Directory B to merge:"
 				 (if ediff-use-last-dir
-				     ediff-last-dir-B 
+				     ediff-last-dir-B
 				   (ediff-strip-last-dir f))
 				 nil))
 	   (ediff-read-file-name "Ancestor directory:"
 				 (if ediff-use-last-dir
-				     ediff-last-dir-C 
+				     ediff-last-dir-C
 				   (ediff-strip-last-dir f))
 				 nil)
 	   (read-string "Filter through regular expression: "
@@ -670,7 +670,7 @@ names.  Only the files that are under revision control are taken into account."
 ;;;###autoload
 (defalias
   'edir-merge-revisions-with-ancestor
-  'ediff-merge-directory-revisions-with-ancestor) 
+  'ediff-merge-directory-revisions-with-ancestor)
 
 ;;;###autoload
 (defalias 'edirs-merge-with-ancestor 'ediff-merge-directories-with-ancestor)
@@ -681,7 +681,7 @@ names.  Only the files that are under revision control are taken into account."
 ;; only file names that match the regexp are considered.
 ;; JOBNAME is the symbol indicating the meta-job to be performed.
 ;; MERGE-AUTOSTORE-DIR is the directory in which to store merged files.
-(defun ediff-directories-internal (dir1 dir2 dir3 regexp action jobname 
+(defun ediff-directories-internal (dir1 dir2 dir3 regexp action jobname
 					&optional startup-hooks
 					merge-autostore-dir)
   ;; ediff-read-file-name is set to attach a previously entered file name if
@@ -705,7 +705,7 @@ names.  Only the files that are under revision control are taken into account."
       (or (stringp merge-autostore-dir)
 	  (error "%s: Directory for storing merged files must be a string"
 		 jobname)))
-  (let (;; dir-diff-struct is of the form (common-list diff-list) 
+  (let (;; dir-diff-struct is of the form (common-list diff-list)
 	;; It is a structure where ediff-intersect-directories returns
 	;; commonalities and differences among directories
 	dir-diff-struct
@@ -713,7 +713,7 @@ names.  Only the files that are under revision control are taken into account."
     (if (and ediff-autostore-merges
 	     (ediff-merge-metajob jobname)
 	     (not merge-autostore-dir))
-	(setq merge-autostore-dir 
+	(setq merge-autostore-dir
 	      (read-file-name "Save merged files in directory: "
 			      (if ediff-use-last-dir
 					ediff-last-merge-autostore-dir
@@ -734,8 +734,8 @@ names.  Only the files that are under revision control are taken into account."
 	       (or (y-or-n-p
 		    "Directory for saving merged files = Ancestor Directory.  Sure? ")
 		   (error "Directory merge aborted")))))
-    
-    (setq dir-diff-struct (ediff-intersect-directories 
+
+    (setq dir-diff-struct (ediff-intersect-directories
 			   jobname
 			   regexp dir1 dir2 dir3 merge-autostore-dir))
     (setq startup-hooks
@@ -744,11 +744,11 @@ names.  Only the files that are under revision control are taken into account."
 	  (cons `(lambda ()
 		   ;; tell what to do if the user clicks on a session record
 		   (setq ediff-session-action-function (quote ,action))
-		   ;; set ediff-dir-difference-list 
+		   ;; set ediff-dir-difference-list
 		   (setq ediff-dir-difference-list
 			 (cdr (quote ,dir-diff-struct))))
 		startup-hooks))
-    (setq meta-buf (ediff-prepare-meta-buffer 
+    (setq meta-buf (ediff-prepare-meta-buffer
 		    'ediff-filegroup-action
 		    (car dir-diff-struct)
 		    "*Ediff Session Group Panel"
@@ -760,7 +760,7 @@ names.  Only the files that are under revision control are taken into account."
 
 ;; MERGE-AUTOSTORE-DIR can be given to tell ediff where to store the merged
 ;; files
-(defun ediff-directory-revisions-internal (dir1 regexp action jobname 
+(defun ediff-directory-revisions-internal (dir1 regexp action jobname
 						&optional startup-hooks
 						merge-autostore-dir)
   (setq dir1 (if (file-directory-p dir1) dir1 (file-name-directory dir1)))
@@ -770,10 +770,10 @@ names.  Only the files that are under revision control are taken into account."
 	  (error "%S: Directory for storing merged files must be a string"
 		 jobname)))
   (let (file-list meta-buf)
-    (if (and ediff-autostore-merges 
+    (if (and ediff-autostore-merges
 	     (ediff-merge-metajob jobname)
 	     (not merge-autostore-dir))
-	(setq merge-autostore-dir 
+	(setq merge-autostore-dir
 	      (read-file-name "Save merged files in directory: "
 			      (if ediff-use-last-dir
 				  ediff-last-merge-autostore-dir
@@ -787,7 +787,7 @@ names.  Only the files that are under revision control are taken into account."
 	(or (y-or-n-p
 	     "Directory for saving merged file = directory A.  Sure? ")
 	    (error "Merge of directory revisions aborted")))
-    
+
     (setq file-list
 	  (ediff-get-directory-files-under-revision
 	   jobname regexp dir1 merge-autostore-dir))
@@ -798,7 +798,7 @@ names.  Only the files that are under revision control are taken into account."
 		   ;; tell what to do if the user clicks on a session record
 		   (setq ediff-session-action-function (quote ,action)))
 		startup-hooks))
-    (setq meta-buf (ediff-prepare-meta-buffer 
+    (setq meta-buf (ediff-prepare-meta-buffer
 		    'ediff-filegroup-action
 		    file-list
 		    "*Ediff Session Group Panel"
@@ -821,7 +821,7 @@ If WIND-B is nil, use window next to WIND-A."
   (interactive "P")
   (ediff-windows dumb-mode wind-A wind-B
 		 startup-hooks 'ediff-windows-wordwise 'word-mode))
-		 
+
 ;;;###autoload
 (defun ediff-windows-linewise (dumb-mode &optional wind-A wind-B startup-hooks)
   "Compare WIND-A and WIND-B, which are selected by clicking, linewise.
@@ -832,7 +832,7 @@ If WIND-B is nil, use window next to WIND-A."
   (interactive "P")
   (ediff-windows dumb-mode wind-A wind-B
 		 startup-hooks 'ediff-windows-linewise nil))
-      
+
 ;; Compare WIND-A and WIND-B, which are selected by clicking.
 ;; With prefix argument, DUMB-MODE, or on a non-windowing display,
 ;; works as follows:
@@ -844,11 +844,11 @@ If WIND-B is nil, use window next to WIND-A."
 	    wind-B (ediff-get-next-window wind-B wind-A))
     (setq wind-A (ediff-get-window-by-clicking wind-A nil 1)
 	  wind-B (ediff-get-window-by-clicking wind-B wind-A 2)))
-      
+
   (let ((buffer-A (window-buffer wind-A))
 	(buffer-B (window-buffer wind-B))
 	beg-A end-A beg-B end-B)
-    
+
     (save-excursion
       (save-window-excursion
 	(sit-for 0) ; sync before using window-start/end -- a precaution
@@ -867,7 +867,7 @@ If WIND-B is nil, use window next to WIND-A."
     (ediff-regions-internal
      buffer-A beg-A end-A buffer-B beg-B end-B
      startup-hooks job-name word-mode nil)))
-     
+
 
 ;;;###autoload
 (defun ediff-regions-wordwise (buffer-A buffer-B &optional startup-hooks)
@@ -878,7 +878,7 @@ In such a case the user is asked to interactively establish the second
 region.
 This function is effective only for relatively small regions, up to 200
 lines.  For large regions, use `ediff-regions-linewise'."
-  (interactive 
+  (interactive
    (let (bf)
      (list (setq bf (read-buffer "Region's A buffer: "
 				 (ediff-other-buffer "") t))
@@ -893,8 +893,8 @@ lines.  For large regions, use `ediff-regions-linewise'."
       (error "Buffer %S doesn't exist" buffer-A))
   (if (not (ediff-buffer-live-p buffer-B))
       (error "Buffer %S doesn't exist" buffer-B))
-  
-  
+
+
   (let ((buffer-A
          (ediff-clone-buffer-for-region-comparison buffer-A "-Region.A-"))
 	(buffer-B
@@ -907,12 +907,12 @@ lines.  For large regions, use `ediff-regions-linewise'."
       (set-buffer buffer-B)
       (setq reg-B-beg (region-beginning)
 	    reg-B-end (region-end)))
-	    
+
     (ediff-regions-internal
      (get-buffer buffer-A) reg-A-beg reg-A-end
      (get-buffer buffer-B) reg-B-beg reg-B-end
      startup-hooks 'ediff-regions-wordwise 'word-mode nil)))
-     
+
 ;;;###autoload
 (defun ediff-regions-linewise (buffer-A buffer-B &optional startup-hooks)
   "Run Ediff on a pair of regions in specified buffers.
@@ -923,7 +923,7 @@ region.
 Each region is enlarged to contain full lines.
 This function is effective for large regions, over 100-200
 lines.  For small regions, use `ediff-regions-wordwise'."
-  (interactive 
+  (interactive
    (let (bf)
      (list (setq bf (read-buffer "Region A's buffer: "
 				 (ediff-other-buffer "") t))
@@ -938,7 +938,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
       (error "Buffer %S doesn't exist" buffer-A))
   (if (not (ediff-buffer-live-p buffer-B))
       (error "Buffer %S doesn't exist" buffer-B))
-  
+
   (let ((buffer-A
          (ediff-clone-buffer-for-region-comparison buffer-A "-Region.A-"))
 	(buffer-B
@@ -949,41 +949,41 @@ lines.  For small regions, use `ediff-regions-wordwise'."
       (setq reg-A-beg (region-beginning)
 	    reg-A-end (region-end))
       ;; enlarge the region to hold full lines
-      (goto-char reg-A-beg) 
+      (goto-char reg-A-beg)
       (beginning-of-line)
       (setq reg-A-beg (point))
-      (goto-char reg-A-end) 
+      (goto-char reg-A-end)
       (end-of-line)
       (or (eobp) (forward-char)) ; include the newline char
       (setq reg-A-end (point))
-      
+
       (set-buffer buffer-B)
       (setq reg-B-beg (region-beginning)
 	    reg-B-end (region-end))
       ;; enlarge the region to hold full lines
-      (goto-char reg-B-beg) 
+      (goto-char reg-B-beg)
       (beginning-of-line)
       (setq reg-B-beg (point))
-      (goto-char reg-B-end) 
+      (goto-char reg-B-end)
       (end-of-line)
       (or (eobp) (forward-char)) ; include the newline char
       (setq reg-B-end (point))
       ) ; save excursion
-	    
+
     (ediff-regions-internal
      (get-buffer buffer-A) reg-A-beg reg-A-end
      (get-buffer buffer-B) reg-B-beg reg-B-end
      startup-hooks 'ediff-regions-linewise nil nil))) ; no word mode
-	
+
 ;; compare region beg-A to end-A of buffer-A
-;; to regions beg-B -- end-B in buffer-B. 
+;; to regions beg-B -- end-B in buffer-B.
 (defun ediff-regions-internal (buffer-A beg-A end-A buffer-B beg-B end-B
 					startup-hooks job-name word-mode
 					setup-parameters)
   (let ((tmp-buffer (get-buffer-create ediff-tmp-buffer))
 	overl-A overl-B
 	file-A file-B)
-	
+
     ;; in case beg/end-A/B aren't markers--make them into markers
     (ediff-with-current-buffer buffer-A
       (setq beg-A (move-marker (make-marker) beg-A)
@@ -991,19 +991,19 @@ lines.  For small regions, use `ediff-regions-wordwise'."
     (ediff-with-current-buffer buffer-B
       (setq beg-B (move-marker (make-marker) beg-B)
 	    end-B (move-marker (make-marker) end-B)))
-	
+
     ;; make file-A
     (if word-mode
 	(ediff-wordify beg-A end-A buffer-A tmp-buffer)
       (ediff-copy-to-buffer beg-A end-A buffer-A tmp-buffer))
     (setq file-A (ediff-make-temp-file tmp-buffer "regA"))
-    
+
     ;; make file-B
     (if word-mode
 	(ediff-wordify beg-B end-B buffer-B tmp-buffer)
       (ediff-copy-to-buffer beg-B end-B buffer-B tmp-buffer))
     (setq file-B (ediff-make-temp-file tmp-buffer "regB"))
-     
+
     (setq overl-A (ediff-make-bullet-proof-overlay beg-A end-A buffer-A))
     (setq overl-B (ediff-make-bullet-proof-overlay beg-B end-B buffer-B))
     (ediff-setup buffer-A file-A
@@ -1019,13 +1019,13 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 			(cons 'ediff-job-name job-name))
 		  setup-parameters))
     ))
-    
- 
+
+
 ;;; Merge files and buffers
-  
+
 ;;;###autoload
 (defalias 'ediff-merge 'ediff-merge-files)
-  
+
 (defsubst ediff-merge-on-startup ()
   (ediff-do-merge 0)
   (ediff-with-current-buffer ediff-buffer-C
@@ -1034,7 +1034,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 ;;;###autoload
 (defun ediff-merge-files (file-A file-B
 				 ;; MERGE-BUFFER-FILE is the file to be
-				 ;; associated with the merge buffer 
+				 ;; associated with the merge buffer
 				 &optional startup-hooks merge-buffer-file)
   "Merge two files without ancestor."
   (interactive
@@ -1047,10 +1047,10 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 		    dir-A
 		    (ediff-get-default-file-name)
 		    'no-dirs))
-	   (ediff-read-file-name "File B to merge" 
+	   (ediff-read-file-name "File B to merge"
 				 (setq dir-B
 				       (if ediff-use-last-dir
-					   ediff-last-dir-B 
+					   ediff-last-dir-B
 					 (file-name-directory f)))
 				 (progn
 				   (setq file-name-history
@@ -1062,7 +1062,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 				   (ediff-get-default-file-name f 1)))
 	   )))
   (setq startup-hooks (cons 'ediff-merge-on-startup startup-hooks))
-  (ediff-files-internal file-A 
+  (ediff-files-internal file-A
 			(if (file-directory-p file-B)
 			    (expand-file-name
 			     (file-name-nondirectory file-A) file-B)
@@ -1071,7 +1071,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 			  startup-hooks
 			  'ediff-merge-files
 			  merge-buffer-file))
-			  
+
 ;;;###autoload
 (defun ediff-merge-files-with-ancestor (file-A file-B file-ancestor
 					       &optional
@@ -1091,10 +1091,10 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 		    dir-A
 		    (ediff-get-default-file-name)
 		    'no-dirs))
-	   (setq ff (ediff-read-file-name "File B to merge" 
+	   (setq ff (ediff-read-file-name "File B to merge"
 					  (setq dir-B
 						(if ediff-use-last-dir
-						    ediff-last-dir-B 
+						    ediff-last-dir-B
 						  (file-name-directory f)))
 					  (progn
 					    (setq file-name-history
@@ -1105,7 +1105,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 						     dir-B))
 						   file-name-history))
 					    (ediff-get-default-file-name f 1))))
-	   (ediff-read-file-name "Ancestor file" 
+	   (ediff-read-file-name "Ancestor file"
 				 (setq dir-ancestor
 				       (if ediff-use-last-dir
 					   ediff-last-dir-ancestor
@@ -1120,7 +1120,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 				   (ediff-get-default-file-name ff 2)))
 	   )))
   (setq startup-hooks (cons 'ediff-merge-on-startup startup-hooks))
-  (ediff-files-internal file-A 
+  (ediff-files-internal file-A
 			(if (file-directory-p file-B)
 			    (expand-file-name
 			     (file-name-nondirectory file-A) file-B)
@@ -1129,10 +1129,10 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 			  startup-hooks
 			  'ediff-merge-files-with-ancestor
 			  merge-buffer-file))
-			  
+
 ;;;###autoload
 (defalias 'ediff-merge-with-ancestor 'ediff-merge-files-with-ancestor)
-			  
+
 ;;;###autoload
 (defun ediff-merge-buffers (buffer-A buffer-B
 				     &optional
@@ -1140,7 +1140,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 				     ;; associated with the merge buffer
 				     startup-hooks job-name merge-buffer-file)
   "Merge buffers without ancestor."
-  (interactive 
+  (interactive
    (let (bf)
      (list (setq bf (read-buffer "Buffer A to merge: "
 				 (ediff-other-buffer "") t))
@@ -1151,12 +1151,12 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 			  (save-window-excursion (other-window 1))
 			  (ediff-other-buffer bf))
 			t))))
-  
+
   (setq startup-hooks (cons 'ediff-merge-on-startup startup-hooks))
   (or job-name (setq job-name 'ediff-merge-buffers))
   (ediff-buffers-internal
    buffer-A buffer-B nil startup-hooks job-name merge-buffer-file))
-   
+
 ;;;###autoload
 (defun ediff-merge-buffers-with-ancestor (buffer-A buffer-B buffer-ancestor
 						   &optional
@@ -1167,7 +1167,7 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 						   ;; with the merge buffer
 						   merge-buffer-file)
   "Merge buffers with ancestor."
-  (interactive 
+  (interactive
    (let (bf bff)
      (list (setq bf (read-buffer "Buffer A to merge: "
 				 (ediff-other-buffer "") t))
@@ -1186,12 +1186,12 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 				    (ediff-other-buffer (list bf bff)))
 				  t)
 	   )))
-  
+
   (setq startup-hooks (cons 'ediff-merge-on-startup startup-hooks))
   (or job-name (setq job-name 'ediff-merge-buffers-with-ancestor))
   (ediff-buffers-internal
    buffer-A buffer-B buffer-ancestor startup-hooks job-name merge-buffer-file))
-      
+
 
 ;;;###autoload
 (defun ediff-merge-revisions (&optional file startup-hooks merge-buffer-file)
@@ -1219,7 +1219,7 @@ buffer."
     (funcall
      (intern (format "ediff-%S-merge-internal" ediff-version-control-package))
      rev1 rev2 nil startup-hooks merge-buffer-file)))
-    
+
 
 ;;;###autoload
 (defun ediff-merge-revisions-with-ancestor (&optional
@@ -1269,8 +1269,8 @@ file and then run `run-ediff-from-cvs-buffer'."
     (if tin
 	(cvs-run-ediff-on-file-descriptor tin)
       (error "There is no file to merge"))))
-     
-     
+
+
 ;;; Apply patch
 
 ;;;###autoload
@@ -1294,7 +1294,7 @@ buffer. If odd -- assume it is in a file."
 			      (buffer-file-name patch-buf))))
 			   (t default-directory)))
     (setq source-file
-	  (read-file-name 
+	  (read-file-name
 	   "File to patch (directory, if multifile patch): "
 	   ;; use an explicit initial file
 	   source-dir nil nil (ediff-get-default-file-name)))
@@ -1317,7 +1317,7 @@ With prefix arg=2: assumes the patch is in a buffer and prompts for the buffer."
    (read-buffer
     "Which buffer to patch? "
     (current-buffer))))
-  
+
 
 ;;;###autoload
 (defalias 'epatch 'ediff-patch-file)
@@ -1327,8 +1327,8 @@ With prefix arg=2: assumes the patch is in a buffer and prompts for the buffer."
 
 
 
-;;; Versions Control functions      
-      
+;;; Versions Control functions
+
 ;;;###autoload
 (defun ediff-revision (&optional file startup-hooks)
   "Run Ediff by comparing versions of a file.
@@ -1344,7 +1344,7 @@ Uses `vc.el' or `rcs.el' depending on `ediff-version-control-package'."
 				    ediff-last-dir-A
 				  default-directory)
 				(ediff-get-default-file-name)
-				'no-dirs))) 
+				'no-dirs)))
   (find-file file)
   (if (and (buffer-modified-p)
 	   (y-or-n-p (message "Buffer %s is modified. Save buffer? "
@@ -1356,7 +1356,7 @@ Uses `vc.el' or `rcs.el' depending on `ediff-version-control-package'."
 	   (format "Revision 1 to compare (default: %s's latest revision): "
 		   (file-name-nondirectory file)))
 	  rev2
-	  (read-string 
+	  (read-string
 	   (format "Revision 2 to compare (default: %s's current state): "
 		   (file-name-nondirectory file))))
     (ediff-load-version-control)
@@ -1368,8 +1368,8 @@ Uses `vc.el' or `rcs.el' depending on `ediff-version-control-package'."
 
 ;;;###autoload
 (defalias 'erevision 'ediff-revision)
-   
-   
+
+
 ;; Test if version control package is loaded and load if not
 ;; Is SILENT is non-nil, don't report error if package is not found.
 (defun ediff-load-version-control (&optional silent)
@@ -1420,7 +1420,7 @@ With optional NODE, goes to that node."
 		 (progn
 		   (select-window ctl-window)
 		   (set-window-buffer ctl-window ctl-buf)))))))
-    
+