diff options
| -rw-r--r-- | lisp/emulation/viper-ex.el | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emulation/viper-ex.el b/lisp/emulation/viper-ex.el index 48b99bc3871..9a7439a6309 100644 --- a/lisp/emulation/viper-ex.el +++ b/lisp/emulation/viper-ex.el @@ -166,7 +166,7 @@ ))) "Options to pass to the Unix-style shell. Don't put `-c' here, as it is added automatically." - :type 'string + :type '(choice (const nil) string) :group 'viper-ex) (defcustom viper-glob-function |