* src/eval.c (Ffunctionp): Clarify "function" in doc string.

diff --git a/src/eval.c b/src/eval.c
index 77ec47e2b797feabbc6a6e9d999b135192b9e388..950338bf799c09a6cfd459117d61e6d611e569ff 100644 (file)
--- a/src/eval.c
+++ b/src/eval.c
@@ -2803,7 +2803,11 @@ apply1 (Lisp_Object fn, Lisp_Object arg)
 }
 
 DEFUN ("functionp", Ffunctionp, Sfunctionp, 1, 1, 0,
-       doc: /* Return t if OBJECT is a function.  */)
+       doc: /* Return t if OBJECT is a function.
+
+An object is a function if it is callable via `funcall';
+this includes primitive functions, byte-code functions, closures, and
+symbols with function bindings.  */)
      (Lisp_Object object)
 {
   if (FUNCTIONP (object))