Improve the custom type of some user options.

* lisp/desktop.el (desktop-minor-mode-table):
* lisp/man.el (Man-frame-parameters):
* lisp/midnight.el (midnight-delay):
* lisp/speedbar.el (speedbar-select-frame-method):
* lisp/tooltip.el (tooltip-frame-parameters):
* lisp/tree-widget.el (tree-widget-space-width):
* lisp/type-break.el (type-break-keystroke-threshold):
* lisp/woman.el (woman-imenu-generic-expression):
* lisp/cedet/ede.el (ede-debug-program-function):
* lisp/cedet/ede/project-am.el (project-am-debug-target-function):
* lisp/emulation/viper-keym.el (viper-toggle-key):
* lisp/erc/erc-networks.el (erc-server-alist):
* lisp/gnus/message.el (message-deletable-headers, message-signature):
* lisp/mail/mailalias.el (mail-directory-stream):
* lisp/play/tetris.el (tetris-x-colors):
* lisp/progmodes/gud.el (gud-tooltip-modes): Improve custom type.

1 files changed, 2 insertions, 4 deletions

diff --git a/lisp/emulation/viper-keym.el b/lisp/emulation/viper-keym.el
index 998f850f8c5..f5bb32fcb2d 100644
--- a/lisp/emulation/viper-keym.el
+++ b/lisp/emulation/viper-keym.el
@@ -154,10 +154,8 @@ viper-insert-basic-map.  Not recommended, except for novice users.")
 ;; Some important keys used in viper
 (defcustom viper-toggle-key [(control ?z)]  ; "\C-z"
   "The key used to change states from Emacs to Vi and back.
-In insert mode, this key also functions as Meta.
-
-Enter as a sexp.  Examples: \"\\C-z\", [(control ?z)]."
-  :type 'sexp
+In insert mode, this key also functions as Meta."
+  :type 'key-sequence
   :group 'viper
   :set (lambda (symbol value)
          (let ((old-value (if (boundp 'viper-toggle-key)