diff --git a/share/zoneinfo/yearistype.sh b/share/zoneinfo/yearistype.sh
index 42ef29bbe879..c7a886c25ba9 100755
--- a/share/zoneinfo/yearistype.sh
+++ b/share/zoneinfo/yearistype.sh
@@ -1,18 +1,26 @@
 #! /bin/sh
 
-: '@(#)yearistype.sh	7.2'
+: '@(#)yearistype.sh	7.3'
 
 case $#-$2 in
-	2-odd)	case $1 in
-			*[13579])	exit 0 ;;
-			*)		exit 1 ;;
-		esac ;;
-	2-even)	case $1 in
-			*[24680])	exit 0 ;;
-			*)		exit 1 ;;
-		esac ;;
-	2-*)	echo "$0: wild type - $2" >&2
-		exit 1 ;;
-	*)	echo "$0: usage is $0 year type" >&2
-		exit 1 ;;
+	2-even)		case $1 in
+				*[24680])			exit 0 ;;
+				*)				exit 1 ;;
+			esac ;;
+	2-nonpres)	case $1 in
+				*[02468][048]|*[13567][26])	exit 1 ;;
+				*)				exit 0 ;;
+			esac ;;
+	2-odd)		case $1 in
+				*[13579])			exit 0 ;;
+				*)				exit 1 ;;
+			esac ;;
+	2-uspres)	case $1 in
+				*[02468][048]|*[13567][26])	exit 0 ;;
+				*)				exit 1 ;;
+			esac ;;
+	2-*)		echo "$0: wild type - $2" >&2
+			exit 1 ;;
+	*)		echo "$0: usage is $0 year type" >&2
+			exit 1 ;;
 esac