(eval-expression): Prefix arg means insert value in current buffer.

diff --git a/lisp/simple.el b/lisp/simple.el
index aa9fa97aeaa13498b8e5dacb23e508b278e3b7f6..798a706886e2b566ea0e6bed453ecc4f5fa36e8c 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -514,15 +514,18 @@ Other major modes are defined by comparison with this one."
 
 ;; We define this, rather than making `eval' interactive,
 ;; for the sake of completion of names like eval-region, eval-current-buffer.
-(defun eval-expression (eval-expression-arg)
+(defun eval-expression (eval-expression-arg
+                       &optional eval-expression-insert-value)
   "Evaluate EXPRESSION and print value in minibuffer.
 Value is also consed on to front of the variable `values'."
   (interactive
    (list (read-from-minibuffer "Eval: "
                               nil read-expression-map t
-                              'read-expression-history)))
+                              'read-expression-history)
+        current-prefix-arg))
   (setq values (cons (eval eval-expression-arg) values))
-  (prin1 (car values) t))
+  (prin1 (car values)
+        (if eval-expression-insert-value (current-buffer) t)))
 
 (defun edit-and-eval-command (prompt command)
   "Prompting with PROMPT, let user edit COMMAND and eval result.