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-rw-r--r--lisp/emacs-lisp/byte-opt.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el
index c7ab880cf60..354857e68f2 100644
--- a/lisp/emacs-lisp/byte-opt.el
+++ b/lisp/emacs-lisp/byte-opt.el
@@ -973,7 +973,7 @@
;;; I wonder if I missed any :-\)
(let ((side-effect-free-fns
- '(% * + / /= 1+ < <= = > >= append aref ash assoc assq boundp
+ '(% * + - / /= 1+ 1- < <= = > >= append aref ash assoc assq boundp
buffer-file-name buffer-local-variables buffer-modified-p
buffer-substring capitalize car cdr concat coordinates-in-window-p
copy-marker count-lines documentation downcase elt fboundp featurep