(diff-mode): Finish `defgroup' description with period.

(diff-context->unified, diff-reverse-direction, diff-unified->context):
"?\ " -> "?\s".

diff --git a/lisp/diff-mode.el b/lisp/diff-mode.el
index 1cb5111dcfb6a19c73bd7875c64b991c8d035f38..200948956602ac13ebd94094652cc8de810fcc62 100644 (file)
--- a/lisp/diff-mode.el
+++ b/lisp/diff-mode.el
@@ -57,7 +57,7 @@
 
 
 (defgroup diff-mode ()
-  "Major mode for viewing/editing diffs"
+  "Major mode for viewing/editing diffs."
   :version "21.1"
   :group 'tools
   :group 'diff)
@@ -640,7 +640,7 @@ else cover the whole bufer."
                      (while (progn (setq last-pt (point))
                                    (= (forward-line -1) 0))
                        (case (char-after)
-                         (?  (insert " ") (setq modif nil) (backward-char 1))
+                         (?s (insert " ") (setq modif nil) (backward-char 1))
                          (?+ (delete-region (point) last-pt) (setq modif t))
                          (?- (if (not modif)
                                  (progn (forward-char 1)
@@ -723,7 +723,7 @@ else cover the whole bufer."
                (while (< (point) pt2)
                  (case (char-after)
                    ((?! ?-) (delete-char 2) (insert "-") (forward-line 1))
-                   (?\                 ;merge with the other half of the chunk
+                   (?\s                ;merge with the other half of the chunk
                     (let* ((endline2
                             (save-excursion
                               (goto-char pt2) (forward-line 1) (point)))
@@ -733,7 +733,7 @@ else cover the whole bufer."
                          (insert "+"
                                  (prog1 (buffer-substring (+ pt2 2) endline2)
                                    (delete-region pt2 endline2))))
-                        (?\            ;FIXME: check consistency
+                        (?\s           ;FIXME: check consistency
                          (delete-region pt2 endline2)
                          (delete-char 1)
                          (forward-line 1))
@@ -814,7 +814,7 @@ else cover the whole bufer."
                       (t (when (and first last (< first last))
                            (insert (delete-and-extract-region first last)))
                          (setq first nil last nil)
-                         (equal ?\  c)))
+                         (equal ?\s c)))
                (forward-line 1))))))))))
 
 (defun diff-fixup-modifs (start end)