diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
index e3f5657..d31f1ef 100644
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -203,10 +203,6 @@
 OK - [a-zA-Z]
 OK - [A-Z]
 OK - \C[^A-Z]\+
-OK - \i\+
-OK - \%#=1\i\+
-OK - \f\+
-OK - \%#=1\i\+
 OK - xx \ze test
 OK - abc\zeend
 OK - abc\zsdd
@@ -225,10 +221,14 @@
 OK - .*John\&.*Bob
 OK - \v(test1)@=.*yep
 OK - [[:alpha:]]\{-2,6}
-OK - [^[=a=]]\+
 OK - 
 OK - \v(())
 OK - \v%(ab(xyz)c)
 OK - \v(test|)empty
 OK - \v(a|aa)(a|aa)
+OK - \%d32
+OK - \%o40
+OK - \%x20
+OK - \%u0020
+OK - \%U00000020
 192.168.0.1