--- src/sfl/.vimbk/prelude.h.vimbk	Sat Apr  1 18:11:21 2000
+++ src/sfl/prelude.h	Tue Nov  7 11:33:15 2000
@@ -532,12 +532,15 @@
 #   endif
 
 #elif (defined (__UTYPE_BSDOS))
+#   undef  TIMEZONE
 #   define TIMEZONE 0                   /*  timezone is not available        */
 
 #elif (defined (__UTYPE_FREEBSD))
+#   undef  TIMEZONE
 #   define TIMEZONE 0                   /*  timezone is not available        */
 
 #elif (defined (__UTYPE_NETBSD))
+#   undef  TIMEZONE
 #   define TIMEZONE 0                   /*  timezone is not available        */
 
 #elif (defined (__VMS__))