--- superscript.c.orig	Tue Sep 27 11:59:40 2005
+++ superscript.c	Mon Mar 16 16:03:19 2015
@@ -69,7 +69,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <termios.h>
-#include <tzfile.h>
 #include <unistd.h>
 
 #include <util.h>
@@ -305,7 +304,7 @@ dooutput(const char *fname, int oflg, int silent)
 	sa.sa_handler = scriptflush;
 	(void)sigaction(SIGALRM, &sa, NULL);
 
-	value.it_interval.tv_sec = SECSPERMIN / 2;
+	value.it_interval.tv_sec = 30;
 	value.it_interval.tv_usec = 0;
 	value.it_value = value.it_interval;
 	(void)setitimer(ITIMER_REAL, &value, NULL);