From: Richard M. Stallman <rms@gnu.org>
Date: Mon, 16 Aug 2004 22:44:11 +0000 (+0000)
Subject: (eval-last-sexp): Don't cons a new symbol each time.
X-Git-Tag: ttn-vms-21-2-B4~5274
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=06f308a7e2a68c82627b1dc5fb1f0e760f7a52d0;p=emacs.git

(eval-last-sexp): Don't cons a new symbol each time.
(eval-last-sexp-fake-value): New variable.
---

diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index d471ad79538..df05555ae7b 100644
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -555,13 +555,15 @@ With argument, print output into current buffer."
 	))))
 
 
+(defvar eval-last-sexp-fake-value (make-symbol "t"))
+
 (defun eval-last-sexp (eval-last-sexp-arg-internal)
   "Evaluate sexp before point; print value in minibuffer.
 Interactively, with prefix argument, print output into current buffer."
   (interactive "P")
   (if (null eval-expression-debug-on-error)
       (eval-last-sexp-1 eval-last-sexp-arg-internal)
-    (let ((old-value (make-symbol "t")) new-value value)
+    (let ((old-value eval-last-sexp-fake-value) new-value value)
       (let ((debug-on-error old-value))
 	(setq value (eval-last-sexp-1 eval-last-sexp-arg-internal))
 	(setq new-value debug-on-error))