diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/elp.el | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/elp.el b/lisp/emacs-lisp/elp.el index 42dc1bc070b..af189126a09 100644 --- a/lisp/emacs-lisp/elp.el +++ b/lisp/emacs-lisp/elp.el @@ -323,6 +323,8 @@ For example, to instrument all ELP functions, do the following: \\[elp-instrument-package] RET elp- RET" (interactive "sPrefix of package to instrument: ") + (if (zerop (length prefix)) + (error "Instrumenting all Emacs functions would render Emacs unusable.")) (elp-instrument-list (mapcar 'intern |