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-rw-r--r--lisp/emacs-lisp/cl-extra.el4
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cl-extra.el b/lisp/emacs-lisp/cl-extra.el
index 53c83e73d2e..e64623ab44e 100644
--- a/lisp/emacs-lisp/cl-extra.el
+++ b/lisp/emacs-lisp/cl-extra.el
@@ -305,7 +305,7 @@ If so, return the true (non-nil) value returned by PREDICATE.
(setq cl-ovl (cdr cl-ovl))))
(set-marker cl-mark nil) (if cl-mark2 (set-marker cl-mark2 nil)))))
-;;; Support for `cl-setf'.
+;;; Support for `setf'.
;;;###autoload
(defun cl--set-frame-visible-p (frame val)
(cond ((null val) (make-frame-invisible frame))
@@ -590,6 +590,7 @@ If START or END is negative, it counts from the end."
(declare (compiler-macro cl--compiler-macro-get))
(or (get sym tag)
(and def
+ ;; Make sure `def' is really absent as opposed to set to nil.
(let ((plist (symbol-plist sym)))
(while (and plist (not (eq (car plist) tag)))
(setq plist (cdr (cdr plist))))
@@ -607,6 +608,7 @@ PROPLIST is a list of the sort returned by `symbol-plist'.
;; but that fails, because cl-get has a compiler macro
;; definition that uses getf!
(when def
+ ;; Make sure `def' is really absent as opposed to set to nil.
(while (and plist (not (eq (car plist) tag)))
(setq plist (cdr (cdr plist))))
(if plist (car (cdr plist)) def))))