Docfix for kill-buffer-hook and others.

* lisp/files.el (kill-buffer-hook): Provide a defvar.

* src/term.c (Vsuspend_tty_functions, Vresume_tty_functions):
* src/frame.c (Vdelete_frame_functions):
* src/emacs.c (Vkill_emacs_hook): Doc fix.

2 files changed, 9 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 7e9da4fa8ff..71d7b50482c 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2012-08-05  Chong Yidong  <cyd@gnu.org>
+
+        * files.el (kill-buffer-hook): Provide a defvar.
+
 2012-08-05  Glenn Morris  <rgm@gnu.org>
 
         * eshell/esh-ext.el (eshell/addpath):
diff --git a/lisp/files.el b/lisp/files.el
index 2b4ae460c3e..b54d3d1b60e 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -1514,7 +1514,11 @@ expand wildcards (if any) and replace the file with multiple files."
       (other-window 1)
       (find-alternate-file filename wildcards))))
 
-(defvar kill-buffer-hook)  ; from buffer.c
+;; Defined and used in buffer.c, but not as a DEFVAR_LISP.
+(defvar kill-buffer-hook nil
+  "Hook run when a buffer is killed.
+The buffer being killed is current while the hook is running.
+See `kill-buffer'.")
 
 (defun find-alternate-file (filename &optional wildcards)
   "Find file FILENAME, select its buffer, kill previous buffer.