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-rw-r--r--lisp/emacs-lisp/re-builder.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/re-builder.el b/lisp/emacs-lisp/re-builder.el
index 396949d59a2..aec438ed994 100644
--- a/lisp/emacs-lisp/re-builder.el
+++ b/lisp/emacs-lisp/re-builder.el
@@ -436,7 +436,7 @@ provided in the Commentary section of this library."
(let ((re (with-output-to-string
(print (reb-target-binding reb-regexp)))))
(setq re (substring re 1 (1- (length re))))
- (setq re (replace-regexp-in-string "\n" "\\n" re nil t))
+ (setq re (string-replace "\n" "\\n" re))
(kill-new re)
(message "Copied regexp `%s' to kill-ring" re)))