diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
index c315a23..e3f5657 100644
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -203,6 +203,10 @@
 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