(debugger-eval-expression): Use a history list.

diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 1c44bac3405de5744334c272b7cfa99caad2ea03..150686ce4ce61ba58e4d74d272b0355c48983f6e 100644 (file)
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -266,7 +266,11 @@ Applies to the frame whose line point is on in the backtrace."
   (beginning-of-line))
 
 (defun debugger-eval-expression (exp)
-  (interactive "xEval: ")
+  "Eval an expression, in an environment like that outside the debugger."
+  (interactive
+   (list (read-from-minibuffer "Eval: "
+                              nil read-expression-map t
+                              'read-expression-history)))
   (save-excursion
     (if (null (buffer-name debugger-old-buffer))
        ;; old buffer deleted