updated for version 7.4.421
Problem:    Crash when searching for "\ze*". (Urtica Dioica)
Solution:   Disallow a multi after \ze and \zs.
diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
index e7d1731..ffc0b53 100644
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -1097,3 +1097,5 @@
 Test END
 EN
 E
+E888 detected for  \ze*
+E888 detected for  \zs*