Index: hdrline.c
===================================================================
RCS file: /home/aarons/.cvsroot/mutt/hdrline.c,v
retrieving revision 1.1.1.5
diff -p -u -I$\(Author\|Date\|Header\|Id\|Locker\|Log\|Name\|RCSfile\|Revision\|Source\|State\)[:$] -r1.1.1.5 hdrline.c
--- hdrline.c	1999/09/14 07:08:59	1.1.1.5
+++ hdrline.c	1999/09/14 08:50:54
@@ -317,6 +317,14 @@ hdr_format_str (char *dest,
 
 	p = dest;
 
+	if (optional && (op == '[' || op == '(')) {
+	  T = time(NULL);
+	  T -= (op == '(') ? hdr->received : hdr->date_sent;
+	  if (T < -12 * 60 * 60 || T > 12 * 60 * 60)
+	    optional = 0;
+	  break;
+	}
+
 	cp = (op == 'd' || op == 'D') ? (NONULL (DateFmt)) : src;
 	if (*cp == '!')
 	{