diff options
Diffstat (limited to 'lisp/emacs-lisp/byte-opt.el')
| -rw-r--r-- | lisp/emacs-lisp/byte-opt.el | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el index a7e1df3622d..898dfffef63 100644 --- a/lisp/emacs-lisp/byte-opt.el +++ b/lisp/emacs-lisp/byte-opt.el @@ -755,7 +755,8 @@ for speeding up processing.") ((eq head 'list) (cdr form)) ((memq head ;; FIXME: Replace this list with a function property? - '( length safe-length cons lambda + '( lambda internal-make-closure + length safe-length cons string unibyte-string make-string concat format format-message substring substring-no-properties string-replace @@ -1297,11 +1298,8 @@ See Info node `(elisp) Integer Basics'." (if else `(progn ,condition ,@else) condition)) - ;; (if X nil t) -> (not X) - ((and (eq then nil) (eq else '(t))) - `(not ,condition)) - ;; (if X t [nil]) -> (not (not X)) - ((and (eq then t) (or (null else) (eq else '(nil)))) + ;; (if X t) -> (not (not X)) + ((and (eq then t) (null else)) `(not ,(byte-opt--negate condition))) ;; (if VAR VAR X...) -> (or VAR (progn X...)) ((and (symbolp condition) (eq condition then)) |