-- OK: Everything is fine -- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1) -- .spelio.software.asn1c.test (9363.1.5.1) -- .126 ModulePERExtensions { iso org(3) dod(6) internet (1) private(4) enterprise(1) spelio(9363) software(1) asn1c(5) test(1) 126 } DEFINITIONS AUTOMATIC TAGS ::= BEGIN PDU ::= SEQUENCE { ..., str-o IA5String OPTIONAL, str-m IA5String, singl Singleton, pdu-2 PDU-2 OPTIONAL } Singleton ::= SEQUENCE { opt-z IA5String DEFAULT "z" } PDU-2 ::= CHOICE { main [3] INTEGER, ..., ext1 [1] INTEGER, ext0 [0] INTEGER } END