Fix return value of `defun' and un-define it.

* src/data.c (Fdefalias): Return `symbol'.
* doc/lispref/functions.texi (Defining Functions):
* doc/lispref/macros.texi (Defining Macros): Un-define the return value of
`defun', `defmacro' and `defalias'.

Fixes: debbugs:11686

1 files changed, 2 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index c469c7951ed..629743bac4e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -429,6 +429,8 @@ still be supported for Emacs 24.x.
 
 * Lisp changes in Emacs 24.2
 
+** The return value of `defalias' has changed and is now undefined.
+
 ** `defun' also accepts a (declare DECLS) form, like `defmacro'.
 The interpretation of the DECLS is determined by `defun-declarations-alist'.