updated for version 7.3.252
Problem:    Tests fail. (David Northfield)
Solution:   Add missing update for .ok file.
diff --git a/src/testdir/test81.ok b/src/testdir/test81.ok
index 8f86b52..e9f17dc 100644
--- a/src/testdir/test81.ok
+++ b/src/testdir/test81.ok
@@ -1,4 +1,6 @@
 aaa two
+    z
+y
 bbb y
 ccc
 ddd yee y