Major Description
The SubtreeSpecificationParser will need to normalize RDN values for exclusions. To do this it must delegate RDN normalization to the DnParser it uses. It must use the overloaded constructor on the DnParser which takes a NameComponentNormalizer as an argument. This means the SubtreeSpecificationParser's constructor must be overloaded to accept a NameComponentNormalizer to hand off to the DnParser constructor.