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-rw-r--r--lisp/emacs-lisp/copyright.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/copyright.el b/lisp/emacs-lisp/copyright.el
index 6b600977823..e5087672ae7 100644
--- a/lisp/emacs-lisp/copyright.el
+++ b/lisp/emacs-lisp/copyright.el
@@ -313,7 +313,7 @@ independently replaces consecutive years with a range."
(> prev-year first-year))
(goto-char range-end)
(delete-region range-start range-end)
- (insert (format "%c%d" sep prev-year))
+ (insert (format "-%d" prev-year))
(goto-char p))
(setq first-year year
range-start (point)))))