+(defvar custom-field-keymap
+ (let ((map (copy-keymap widget-field-keymap)))
+ (define-key map "\C-c\C-c" 'Custom-set)
+ (define-key map "\C-x\C-s" 'Custom-save)
+ map)
+ "Keymap used inside editable fields in customization buffers.")
+
+(widget-put (get 'editable-field 'widget-type) :keymap custom-field-keymap)
+