Corrections made to the ASN.1 module of  T.173 (07/1997)

1. Replacement all occurences of:

  TypeIdentifier ALL EXCEPT 0

With

  TypeIdentifier (FROM (ALL EXCEPT 0))

2. Replacement of:

TypeDescription	::= CHOICE {
	string-description		[1] INTEGER (0..max-size-string) OPTIONAL,
	sequence-description		[2] SequenceDescription,
	array-description		[3] ArrayDescription,
	structure-description		[4] StructureDescription,
	union-description		[5] UnionDescription
}

With

TypeDescription	::= CHOICE {
	string-description		[1] INTEGER (0..max-size-string),
	sequence-description		[2] SequenceDescription,
	array-description		[3] ArrayDescription,
	structure-description		[4] StructureDescription,
	union-description		[5] UnionDescription
}