(custom-display): Add checkbox for type mac.

diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index 71709cd723458df44b2729c7f58a8d0cccef834b..67d25b2ea7af8c148c33f3bb7b9623e7e6b85418 100644 (file)
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -2668,6 +2668,10 @@ OS/2 Presentation Manager.")
                                           :sibling-args (:help-echo "\
 Windows NT/9X.")
                                           w32)
+                                   (const :format "MAC "
+                                          :sibling-args (:help-echo "\
+Macintosh OS.")
+                                          mac)
                                    (const :format "DOS "
                                           :sibling-args (:help-echo "\
 Plain MS-DOS.")