(ps-zebra-stripe-follow): Don't quote nil and t in docstrings.

diff --git a/lisp/ps-print.el b/lisp/ps-print.el
index f26908746fd2f78d96097888d066f7957aaecb77..9a6a555f0ffc7bf2cb41e0d34bd69605fd47ea9e 100644 (file)
--- a/lisp/ps-print.el
+++ b/lisp/ps-print.el
@@ -2134,7 +2134,7 @@ that a line is printed):
                22       +   22          +
                --------     -----------     ---------     ----------------
 
-Any other value is treated as `nil'."
+Any other value is treated as nil."
   :type '(choice :menu-tag "Zebra Stripe Follow"
                 :tag "Zebra Stripe Follow"
                 (const :tag "Always Restart" nil)