External module in the Journal Archiving DTD (Green) that declares Parameter Entities of element class definitions to over-ride element classes in the base DTD Suite
<!ENTITY % archivecustom-classes.ent PUBLIC "-//NLM//DTD Journal Archiving DTD Customize Classes Module v2.1 20050630//EN" "archivecustom-classes.ent" >
archivecustom-modules.ent