@defun functionp object
This function returns @code{t} if @var{object} is any kind of
-function, or a special form, or, recursively, a symbol whose function
-definition is a function or special form. (This does not include
-macros.)
+function, i.e.@: can be passed to @code{funcall}. Note that
+@code{functionp} returns @code{nil} for special forms (@pxref{Special
+Forms}).
@end defun
Unlike @code{functionp}, the next three functions do @emph{not}