(edit-kbd-macro): Reject empty cmd name.

1 files changed, 2 insertions, 0 deletions

diff --git a/lisp/edmacro.el b/lisp/edmacro.el
index 7f2d8d47fc0..35be9ba054d 100644
--- a/lisp/edmacro.el
+++ b/lisp/edmacro.el
@@ -112,6 +112,8 @@ With a prefix argument, format the macro in a more concise way."
              (setq cmd 'last-kbd-macro))
             ((eq cmd 'execute-extended-command)
              (setq cmd (read-command "Name of keyboard macro to edit: "))
+             (if (string-equal cmd "")
+                 (error "No command name given"))
              (setq mac (symbol-function cmd)))
             ((eq cmd 'view-lossage)
              (setq mac (recent-keys))