parsing support for CONSTRAINED BY
diff --git a/tests/34-class-OK.asn1.-EF b/tests/34-class-OK.asn1.-EF
index d0e379f..340f127 100644
--- a/tests/34-class-OK.asn1.-EF
+++ b/tests/34-class-OK.asn1.-EF
@@ -22,7 +22,7 @@
} WITH SYNTAX {&Type IDENTIFIED BY &id}
-terminal-type EXTENSION-ATTRIBUTE ::= { TerminalType IDENTIFIED BY 23}
+terminal-type EXTENSION-ATTRIBUTE ::= {TerminalType IDENTIFIED BY 23}
ExtensionAttribute ::= SEQUENCE {
extension-attribute-type [0] IMPLICIT EXTENSION-ATTRIBUTE.&id ({ExtensionAttributeTable}),