Adjust ispell-look-command type

* lisp/textmodes/ispell.el (ispell-look-command): Adjust :type
after previous change.

diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el
index 9aad56711527906483312ce72758bf8ee99f3860..0a3a49d868a7b9904b5fbf55f0853f56eb4a0e62 100644 (file)
--- a/lisp/textmodes/ispell.el
+++ b/lisp/textmodes/ispell.el
@@ -253,7 +253,8 @@ Should probably be \"-Ei\"."
 (defcustom ispell-look-command (executable-find "look")
   "Name of the look command for search processes.
 This must be an absolute file name."
-  :type 'file
+  :type '(choice (const :tag "None" nil)
+                 file)
   :version "28.1")
 
 (defcustom ispell-look-p (and ispell-look-command