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-rw-r--r--lisp/emacs-lisp/cl-macs.el11
1 files changed, 9 insertions, 2 deletions
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index eee5953882d..3405c92e8d4 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -161,9 +161,16 @@ whether X is known at compile time, macroexpand it completely in
;;; Symbols.
-(defvaralias 'cl--gensym-counter 'gensym-counter)
+(defvar cl--gensym-counter 0)
;;;###autoload
-(cl--defalias 'cl-gensym 'gensym)
+(defun cl-gensym (&optional prefix)
+ "Generate a new uninterned symbol.
+The name is made by appending a number to PREFIX, default \"G\"."
+ (let ((pfix (if (stringp prefix) prefix "G"))
+ (num (if (integerp prefix) prefix
+ (prog1 cl--gensym-counter
+ (setq cl--gensym-counter (1+ cl--gensym-counter))))))
+ (make-symbol (format "%s%d" pfix num))))
(defvar cl--gentemp-counter 0)
;;;###autoload