Module to Name Tag-Set-Specific Modules

External module in the Book Tag Set (and Collection Tag Set) that names all Book-Tag-Set-specific Suite external modules to be used by the two DTDs. (Note: This module does not declare itself, either DTD, any of the base Suite modules, or the Suite Module of Modules which declares the base Suite modules.)

Content Model

<!ENTITY % bookcustom-modules.ent PUBLIC  
"-//NLM//DTD Book DTD Module of Modules v3.0 20080202//EN"
"bookcustom-modules3.ent"                                            >