Clarify `debug' doc string

* lisp/emacs-lisp/debug.el (debug): Mention that inhibit-redisplay
will inhibit the function.

diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 8989aa07196145b29a8da4c12f282e4b2e8f1553..21499f757909dd58b2ad1c1e2690f07707a3f354 100644 (file)
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -163,7 +163,10 @@ of the evaluator.
 
 You may call with no args, or you may pass nil as the first arg and
 any other args you like.  In that case, the list of args after the
-first will be printed into the backtrace buffer."
+first will be printed into the backtrace buffer.
+
+If `inhibit-redisplay' is non-nil when this function is called,
+the debugger will not be entered."
   (interactive)
   (cond
    (inhibit-redisplay