1 files changed, 9 insertions, 7 deletions

diff --git a/lisp/cus-start.el b/lisp/cus-start.el
index e2ed7585c3f..8f444799ae7 100644
--- a/lisp/cus-start.el
+++ b/lisp/cus-start.el
@@ -249,25 +249,25 @@ Leaving \"Default\" unchecked is equivalent with specifying a default of
              ;; msdos.c
              (dos-unsupported-char-glyph display integer)
              ;; nsterm.m
-             (ns-control-modifier 
-              nextstep 
+             (ns-control-modifier
+              nextstep
               (choice (const :tag "No modifier" nil)
                       (const control) (const meta)
                       (const alt) (const hyper)
                       (const super)) "23.1")
-             (ns-command-modifier 
-              nextstep 
+             (ns-command-modifier
+              nextstep
               (choice (const :tag "No modifier" nil)
                       (const control) (const meta)
                       (const alt) (const hyper)
                       (const super)) "23.1")
-             (ns-alternate-modifier 
-              nextstep 
+             (ns-alternate-modifier
+              nextstep
               (choice (const :tag "No modifier (work as alternate/option)" none)
                       (const control) (const meta)
                       (const alt) (const hyper)
                       (const super)) "23.1")
-             (ns-function-modifier 
+             (ns-function-modifier
               nextstep
               (choice (const :tag "No modifier (work as function)" none)
                       (const control) (const meta)
@@ -381,6 +381,8 @@ since it could result in memory overflow and make Emacs crash."
                        (eq system-type 'ms-dos))
                       ((string-match "\\`w32-" (symbol-name symbol))
                        (eq system-type 'windows-nt))
+                      ((string-match "\\`ns-" (symbol-name symbol))
+                       (featurep 'ns))
                       ((string-match "\\`x-.*gtk" (symbol-name symbol))
                        (featurep 'gtk))
                       ((string-match "\\`x-" (symbol-name symbol))